ref: 77d2f0d7571f5f830177189e8ac370f49db99256
parent: c509757cc44c3bee93c02df77134df086a5084da
author: Sam Leitch <conceptualalchemist@gmail.com>
date: Wed May 6 15:09:14 EDT 2015
Pulling in changes from CalgaryScientific/h264bsd rev b6d7635
--- a/flex/src/h264bsd/Decoder.as
+++ b/flex/src/h264bsd/Decoder.as
@@ -206,6 +206,9 @@
tempData.unlock();
target.unlock();
+
+ outputPicture.dispose();
+ tempData.dispose();
}
private function get outputByteLength():int { --- a/js/Rakefile
+++ b/js/Rakefile
@@ -23,26 +23,36 @@
"_h264bsdConvertToRGBA",
]
-file "h264bsd_asm.js" => o_files do
- sh "emcc #{o_files.join(' ')} -s TOTAL_MEMORY=268435456 -s EXPORTED_FUNCTIONS='[\"#{export_functions.join('", "')}\"]' #{EMCC_FLAGS} -o h264bsd_asm.js"+file "h264bsd_asm.js" => o_files do
+ sh "emcc #{o_files.join(' ')} --memory-init-file 0 -s TOTAL_MEMORY=67108864 -s EXPORT_ALL=1 #{EMCC_FLAGS} -o h264bsd_asm.js"end
source_files = [
+ "h264bsd_canvas.js"
+]
+
+worker_source_files = [
"h264bsd_asm.js",
- "h264bsd_decoder.js",
- "h264bsd_canvas.js",
+ "h264bsd_decoder.js"
]
+file "h264bsd.min.js" => worker_source_files do
+ sh "uglifyjs #{source_files.join(' ')} -c -m -o h264bsd.min.js"+end
-file "h264bsd.min.js" => source_files do
- sh "uglifyjs #{source_files.join(' ')} -c -o h264bsd.min.js"+file "h264bsd_decoder.min.js" => worker_source_files do
+ sh "uglifyjs h264bsd_decoder.js -o _h264bsd_decoder.min.js"
+ sh "cat h264bsd_asm.js > h264bsd_decoder.min.js"
+ sh "cat _h264bsd_decoder.min.js >> h264bsd_decoder.min.js"
end
-task :compress => ["h264bsd.min.js"]
+task :compress => ["h264bsd.min.js", "h264bsd_decoder.min.js"]
task :clean do
o_files.each{|o| FileUtils.rm_f(o)} FileUtils.rm_f("h264bsd_asm.js") FileUtils.rm_f("h264bsd.min.js")+ FileUtils.rm_f("h264bsd_decoder.min.js")+ FileUtils.rm_f("_h264bsd_decoder.min.js")end
desc "Check for prereq tools"
@@ -52,4 +62,4 @@
puts("Ready to go")end
-task :default => [:setup, "h264bsd.min.js"]
+task :default => [:setup, "h264bsd.min.js", "h264bsd_decoder.min.js"]
--- a/js/h264bsd.min.js
+++ b/js/h264bsd.min.js
@@ -1,11 +1,1 @@
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-var __THREW__=0,ABORT=!1,EXITSTATUS=0,undef=0,tempValue,tempInt,tempBigInt,tempInt2,tempBigInt2,tempPair,tempBigIntI,tempBigIntR,tempBigIntS,tempBigIntP,tempBigIntD,tempDouble,tempFloat,tempI64,tempI64b,tempRet0,tempRet1,tempRet2,tempRet3,tempRet4,tempRet5,tempRet6,tempRet7,tempRet8,tempRet9,globalScope=this;Module.ccall=ccall,Module.cwrap=cwrap,Module.setValue=setValue,Module.getValue=getValue;var ALLOC_NORMAL=0,ALLOC_STACK=1,ALLOC_STATIC=2,ALLOC_DYNAMIC=3,ALLOC_NONE=4;Module.ALLOC_NORMAL=ALLOC_NORMAL,Module.ALLOC_STACK=ALLOC_STACK,Module.ALLOC_STATIC=ALLOC_STATIC,Module.ALLOC_DYNAMIC=ALLOC_DYNAMIC,Module.ALLOC_NONE=ALLOC_NONE,Module.allocate=allocate,Module.Pointer_stringify=Pointer_stringify,Module.UTF16ToString=UTF16ToString,Module.stringToUTF16=stringToUTF16,Module.UTF32ToString=UTF32ToString,Module.stringToUTF32=stringToUTF32;for(var PAGE_SIZE=4096,HEAP,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64,STATIC_BASE=0,STATICTOP=0,staticSealed=!1,STACK_BASE=0,STACKTOP=0,STACK_MAX=0,DYNAMIC_BASE=0,DYNAMICTOP=0,TOTAL_STACK=Module.TOTAL_STACK||5242880,TOTAL_MEMORY=Module.TOTAL_MEMORY||268435456,FAST_MEMORY=Module.FAST_MEMORY||2097152,totalMemory=4096;TOTAL_MEMORY>totalMemory||2*TOTAL_STACK>totalMemory;)16777216>totalMemory?totalMemory*=2:totalMemory+=16777216;totalMemory!==TOTAL_MEMORY&&(Module.printErr("increasing TOTAL_MEMORY to "+totalMemory+" to be more reasonable"),TOTAL_MEMORY=totalMemory),assert("undefined"!=typeof Int32Array&&"undefined"!=typeof Float64Array&&!!new Int32Array(1).subarray&&!!new Int32Array(1).set,"JS engine does not provide full typed array support");var buffer=new ArrayBuffer(TOTAL_MEMORY);HEAP8=new Int8Array(buffer),HEAP16=new Int16Array(buffer),HEAP32=new Int32Array(buffer),HEAPU8=new Uint8Array(buffer),HEAPU16=new Uint16Array(buffer),HEAPU32=new Uint32Array(buffer),HEAPF32=new Float32Array(buffer),HEAPF64=new Float64Array(buffer),HEAP32[0]=255,assert(255===HEAPU8[0]&&0===HEAPU8[3],"Typed arrays 2 must be run on a little-endian system"),Module.HEAP=HEAP,Module.HEAP8=HEAP8,Module.HEAP16=HEAP16,Module.HEAP32=HEAP32,Module.HEAPU8=HEAPU8,Module.HEAPU16=HEAPU16,Module.HEAPU32=HEAPU32,Module.HEAPF32=HEAPF32,Module.HEAPF64=HEAPF64;var __ATPRERUN__=[],__ATINIT__=[],__ATMAIN__=[],__ATEXIT__=[],__ATPOSTRUN__=[],runtimeInitialized=!1;Module.addOnPreRun=Module.addOnPreRun=addOnPreRun,Module.addOnInit=Module.addOnInit=addOnInit,Module.addOnPreMain=Module.addOnPreMain=addOnPreMain,Module.addOnExit=Module.addOnExit=addOnExit,Module.addOnPostRun=Module.addOnPostRun=addOnPostRun,Module.intArrayFromString=intArrayFromString,Module.intArrayToString=intArrayToString,Module.writeStringToMemory=writeStringToMemory,Module.writeArrayToMemory=writeArrayToMemory,Module.writeAsciiToMemory=writeAsciiToMemory,Math.imul&&-5===Math.imul(4294967295,5)||(Math.imul=function(a,b){var ah=a>>>16,al=65535&a,bh=b>>>16,bl=65535&b;return al*bl+(ah*bl+al*bh<<16)|0}),Math.imul=Math.imul;var Math_abs=Math.abs,Math_cos=Math.cos,Math_sin=Math.sin,Math_tan=Math.tan,Math_acos=Math.acos,Math_asin=Math.asin,Math_atan=Math.atan,Math_atan2=Math.atan2,Math_exp=Math.exp,Math_log=Math.log,Math_sqrt=Math.sqrt,Math_ceil=Math.ceil,Math_floor=Math.floor,Math_pow=Math.pow,Math_imul=Math.imul,Math_fround=Math.fround,Math_min=Math.min,runDependencies=0,runDependencyWatcher=null,dependenciesFulfilled=null;Module.addRunDependency=addRunDependency,Module.removeRunDependency=removeRunDependency,Module.preloadedImages={},Module.preloadedAudios={};var memoryInitializer=null;STATIC_BASE=8,STATICTOP=STATIC_BASE+Runtime.alignMemory(9235),__ATINIT__.push(),allocate([17,1,0,0,0,0,0,0,34,18,1,1,0,0,0,0,50,34,18,2,0,0,0,0,67,51,34,34,18,18,2,2,83,67,51,35,18,18,2,2,19,35,67,51,99,83,2,2,0,0,101,85,68,68,52,52,35,35,35,35,19,19,19,19,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,249,233,217,200,200,184,184,167,167,167,167,151,151,151,151,134,134,134,134,134,134,134,134,118,118,118,118,118,118,118,118,230,214,198,182,165,165,149,149,132,132,132,132,116,116,116,116,100,100,100,100,84,84,84,84,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,19,19,19,\ No newline at end of file
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-do if((a|0)==0){if(a=Rc(f,e)|0,(a|0)!=0)break;if(a=Rc(f,e)|0,(a|0)!=0)break;if(e=c[e>>2]|0,e>>>0>255){a=1;break}c[b>>2]=e,a=0}while(0);return i=d,a|0}function pc(a,b,d){a|=0,b|=0,d|=0;var e=0,f=0,g=0,h=0;if(e=i,i=i+32|0,g=e,h=e+8|0,f=h,c[h+0>>2]=c[a+0>>2],c[h+4>>2]=c[a+4>>2],c[h+8>>2]=c[a+8>>2],c[h+12>>2]=c[a+12>>2],c[h+16>>2]=c[a+16>>2],a=Rc(f,g)|0,(a|0)!=0)return h=a,i=e,h|0;if(a=Rc(f,g)|0,(a|0)!=0)return h=a,i=e,h|0;if(g=Rc(f,g)|0,(g|0)!=0)return h=g,i=e,h|0;for(g=0;;){if((b>>>g|0)==0)break;g=g+1|0}return b=Fc(f,g+-1|0)|0,(b|0)==-1?(h=1,i=e,h|0):(c[d>>2]=b,h=0,i=e,h|0)}function qc(a,b,d,e){a|=0,b|=0,d|=0,e|=0;var f=0,g=0,h=0;if(f=i,i=i+32|0,g=f,h=f+8|0,(d|0)!=5)return a=1,i=f,a|0;if(d=h,c[h+0>>2]=c[a+0>>2],c[h+4>>2]=c[a+4>>2],c[h+8>>2]=c[a+8>>2],c[h+12>>2]=c[a+12>>2],c[h+16>>2]=c[a+16>>2],h=Rc(d,g)|0,(h|0)!=0)return a=h,i=f,a|0;if(h=Rc(d,g)|0,(h|0)!=0)return a=h,i=f,a|0;if(g=Rc(d,g)|0,(g|0)!=0)return a=g,i=f,a|0;for(g=0;;){if((b>>>g|0)==0)break;g=g+1|0}return(Fc(d,g+-1|0)|0)==-1?(a=1,i=f,a|0):(a=Rc(d,e)|0,i=f,a|0)}function rc(a,b,d,e){a|=0,b|=0,d|=0,e|=0;var f=0,g=0,h=0,j=0;if(f=i,i=i+32|0,h=f,j=f+8|0,g=j,c[j+0>>2]=c[a+0>>2],c[j+4>>2]=c[a+4>>2],c[j+8>>2]=c[a+8>>2],c[j+12>>2]=c[a+12>>2],c[j+16>>2]=c[a+16>>2],a=Rc(g,h)|0,(a|0)!=0)return j=a,i=f,j|0;if(a=Rc(g,h)|0,(a|0)!=0)return j=a,i=f,j|0;if(a=Rc(g,h)|0,(a|0)!=0)return j=a,i=f,j|0;for(j=c[b+12>>2]|0,a=0;;){if((j>>>a|0)==0)break;a=a+1|0}if((Fc(g,a+-1|0)|0)==-1)return j=1,i=f,j|0;do if((d|0)==5){if(h=Rc(g,h)|0,(h|0)==0)break;return i=f,h|0}while(0);for(h=c[b+20>>2]|0,b=0;;){if((h>>>b|0)==0)break;b=b+1|0}return g=Fc(g,b+-1|0)|0,(g|0)==-1?(j=1,i=f,j|0):(c[e>>2]=g,j=0,i=f,j|0)}function sc(a,b,d,e){a|=0,b|=0,d|=0,e|=0;var f=0,g=0,h=0,j=0;if(f=i,i=i+32|0,h=f,j=f+8|0,g=j,c[j+0>>2]=c[a+0>>2],c[j+4>>2]=c[a+4>>2],c[j+8>>2]=c[a+8>>2],c[j+12>>2]=c[a+12>>2],c[j+16>>2]=c[a+16>>2],a=Rc(g,h)|0,(a|0)!=0)return j=a,i=f,j|0;if(a=Rc(g,h)|0,(a|0)!=0)return j=a,i=f,j|0;if(a=Rc(g,h)|0,(a|0)!=0)return j=a,i=f,j|0;for(j=c[b+12>>2]|0,a=0;;){if((j>>>a|0)==0)break;a=a+1|0}if((Fc(g,a+-1|0)|0)==-1)return j=1,i=f,j|0;do if((d|0)==5){if(h=Rc(g,h)|0,(h|0)==0)break;return i=f,h|0}while(0);for(h=c[b+20>>2]|0,b=0;;){if((h>>>b|0)==0)break;b=b+1|0}return(Fc(g,b+-1|0)|0)==-1?(j=1,i=f,j|0):(j=Sc(g,e)|0,i=f,j|0)}function tc(a,b,d,e,f){a|=0,b|=0,d|=0,e|=0,f|=0;var g=0,h=0,j=0,k=0;g=i,i=i+32|0,j=g,k=g+8|0,h=k,c[k+0>>2]=c[a+0>>2],c[k+4>>2]=c[a+4>>2],c[k+8>>2]=c[a+8>>2],c[k+12>>2]=c[a+12>>2],c[k+16>>2]=c[a+16>>2],a=Rc(h,j)|0;do if((a|0)==0){if(a=Rc(h,j)|0,(a|0)!=0)break;if(a=Rc(h,j)|0,(a|0)!=0)break;for(b=c[b+12>>2]|0,a=0;;){if((b>>>a|0)==0)break;a=a+1|0}if((Fc(h,a+-1|0)|0)==-1){a=1;break}if((d|0)==5&&(a=Rc(h,j)|0,(a|0)!=0))break;if(a=Sc(h,f)|0,(a|0)!=0)break;if((e|0)!=0&&(a=Sc(h,f+4|0)|0,(a|0)!=0))break;a=0}while(0);return i=g,a|0}function uc(a,b,d,e,f){a|=0,b|=0,d|=0,e|=0,f|=0;var g=0,h=0,j=0,k=0,l=0;if(f=i,i=i+40|0,h=f,j=f+8|0,l=f+16|0,g=l,c[l+0>>2]=c[b+0>>2],c[l+4>>2]=c[b+4>>2],c[l+8>>2]=c[b+8>>2],c[l+12>>2]=c[b+12>>2],c[l+16>>2]=c[b+16>>2],b=Rc(g,h)|0,(b|0)!=0)return l=b,i=f,l|0;if(b=Rc(g,h)|0,(b|0)!=0)return l=b,i=f,l|0;if(b=Rc(g,h)|0,(b|0)!=0)return l=b,i=f,l|0;for(k=c[d+12>>2]|0,b=0;;){if((k>>>b|0)==0)break;b=b+1|0}if((Fc(g,b+-1|0)|0)==-1)return l=1,i=f,l|0;if(b=Rc(g,h)|0,(b|0)!=0)return l=b,i=f,l|0;if(b=d+16|0,k=c[b>>2]|0,(k|0)==0){for(k=c[d+20>>2]|0,l=0;;){if((k>>>l|0)==0)break;l=l+1|0}if((Fc(g,l+-1|0)|0)==-1)return l=1,i=f,l|0;do if((c[e+8>>2]|0)!=0){if(k=Sc(g,j)|0,(k|0)==0)break;return i=f,k|0}while(0);k=c[b>>2]|0}do if((k|0)==1){if((c[d+24>>2]|0)!=0)break;if(d=Sc(g,j)|0,(d|0)!=0)return l=d,i=f,l|0;if((c[e+8>>2]|0)==0)break;if(k=Sc(g,j)|0,(k|0)==0)break;return i=f,k|0}while(0);do if((c[e+68>>2]|0)!=0){if(k=Rc(g,h)|0,(k|0)==0)break;return i=f,k|0}while(0);return l=Fc(g,1)|0,c[a>>2]=l,l=(l|0)==-1|0,i=f,l|0}function vc(a){a|=0;var b=0;b=i,_c(a|0,0,3396)|0,c[a+8>>2]=32,c[a+4>>2]=256,c[a+1332>>2]=1,i=b}function wc(a,b){a|=0,b|=0;var d=0,e=0,f=0,g=0,h=0;d=i,h=c[b+8>>2]|0,e=a+(h<<2)+20|0,g=c[e>>2]|0;do{if((g|0)==0){if(h=Xc(92)|0,c[e>>2]=h,(h|0)!=0)break;return b=65535,i=d,b|0}if(f=a+8|0,(h|0)!=(c[f>>2]|0)){\ No newline at end of file
-if(q=p,!(q>>>0>=t>>>0&q>>>0<n>>>0))break;c[s>>2]=r+o,d=(c[2189]|0)+o|0,e=p+8|0,e=(e&7|0)==0?0:0-e&7,z=d-e|0,c[2192]=q+e,c[2189]=z,c[q+(e+4)>>2]=z|1,c[q+(d+4)>>2]=40,c[2193]=c[2308];break i}while(0);n>>>0<(c[2190]|0)>>>0&&(c[2190]=n),q=n+o|0,s=9192;do{if(r=s,(c[r>>2]|0)==(q|0)){m=224;break}s=c[s+8>>2]|0}while((s|0)!=0);do if((m|0)==224){if((c[s+12>>2]&8|0)!=0)break;c[r>>2]=n,h=s+4|0,c[h>>2]=(c[h>>2]|0)+o,h=n+8|0,h=(h&7|0)==0?0:0-h&7,j=n+(o+8)|0,q=(j&7|0)==0?0:0-j&7,s=n+(q+o)|0,t=s,j=h+a|0,m=n+j|0,k=m,p=s-(n+h)-a|0,c[n+(h+4)>>2]=a|3;j:do if((t|0)==(c[2192]|0))z=(c[2189]|0)+p|0,c[2189]=z,c[2192]=k,c[n+(j+4)>>2]=z|1;else{if((t|0)==(c[2191]|0)){z=(c[2188]|0)+p|0,c[2188]=z,c[2191]=k,c[n+(j+4)>>2]=z|1,c[n+(z+j)>>2]=z;break}if(r=o+4|0,v=c[n+(r+q)>>2]|0,(v&3|0)==1){a=v&-8,u=v>>>3;k:do if(v>>>0<256){g=c[n+((q|8)+o)>>2]|0,r=c[n+(o+12+q)>>2]|0,s=8784+(u<<1<<2)|0;do if((g|0)!=(s|0)){if(g>>>0<(c[2190]|0)>>>0&&ka(),(c[g+12>>2]|0)==(t|0))break;ka()}while(0);if((r|0)==(g|0)){c[2186]=c[2186]&~(1<<u);break}do if((r|0)==(s|0))l=r+8|0;else{if(r>>>0<(c[2190]|0)>>>0&&ka(),s=r+8|0,(c[s>>2]|0)==(t|0)){l=s;break}ka()}while(0);c[g+12>>2]=r,c[l>>2]=g}else{l=c[n+((q|24)+o)>>2]|0,v=c[n+(o+12+q)>>2]|0;do if((v|0)==(s|0)){if(v=q|16,u=n+(r+v)|0,t=c[u>>2]|0,(t|0)==0&&(u=n+(v+o)|0,t=c[u>>2]|0,(t|0)==0)){g=0;break}for(;;)if(v=t+20|0,w=c[v>>2]|0,(w|0)==0){if(w=t+16|0,v=c[w>>2]|0,(v|0)==0)break;t=v,u=w}else u=v,t=w;if(!(u>>>0<(c[2190]|0)>>>0)){c[u>>2]=0,g=t;break}ka()}else{if(w=c[n+((q|8)+o)>>2]|0,w>>>0<(c[2190]|0)>>>0&&ka(),u=w+12|0,(c[u>>2]|0)!=(s|0)&&ka(),t=v+8|0,(c[t>>2]|0)==(s|0)){c[u>>2]=v,c[t>>2]=w,g=v;break}ka()}while(0);if((l|0)==0)break;t=c[n+(o+28+q)>>2]|0,u=9048+(t<<2)|0;do{if((s|0)==(c[u>>2]|0)){if(c[u>>2]=g,(g|0)!=0)break;c[2187]=c[2187]&~(1<<t);break k}if(l>>>0<(c[2190]|0)>>>0&&ka(),t=l+16|0,(c[t>>2]|0)==(s|0)?c[t>>2]=g:c[l+20>>2]=g,(g|0)==0)break k}while(0);g>>>0<(c[2190]|0)>>>0&&ka(),c[g+24>>2]=l,l=q|16,s=c[n+(l+o)>>2]|0;do if((s|0)!=0){if(!(s>>>0<(c[2190]|0)>>>0)){c[g+16>>2]=s,c[s+24>>2]=g;break}ka()}while(0);if(l=c[n+(r+l)>>2]|0,(l|0)==0)break;if(!(l>>>0<(c[2190]|0)>>>0)){c[g+20>>2]=l,c[l+24>>2]=g;break}ka()}while(0);t=n+((a|q)+o)|0,p=a+p|0}if(g=t+4|0,c[g>>2]=c[g>>2]&-2,c[n+(j+4)>>2]=p|1,c[n+(p+j)>>2]=p,g=p>>>3,p>>>0<256){l=g<<1,d=8784+(l<<2)|0,a=c[2186]|0,g=1<<g;do if((a&g|0)==0)c[2186]=a|g,e=8784+(l+2<<2)|0,f=d;else{if(l=8784+(l+2<<2)|0,g=c[l>>2]|0,!(g>>>0<(c[2190]|0)>>>0)){e=l,f=g;break}ka()}while(0);c[e>>2]=k,c[f+12>>2]=k,c[n+(j+8)>>2]=f,c[n+(j+12)>>2]=d;break}e=p>>>8;do if((e|0)==0)e=0;else{if(p>>>0>16777215){e=31;break}y=(e+1048320|0)>>>16&8,z=e<<y,x=(z+520192|0)>>>16&4,z<<=x,e=(z+245760|0)>>>16&2,e=14-(x|y|e)+(z<<e>>>15)|0,e=p>>>(e+7|0)&1|e<<1}while(0);if(f=9048+(e<<2)|0,c[n+(j+28)>>2]=e,c[n+(j+20)>>2]=0,c[n+(j+16)>>2]=0,g=c[2187]|0,k=1<<e,(g&k|0)==0){c[2187]=g|k,c[f>>2]=m,c[n+(j+24)>>2]=f,c[n+(j+12)>>2]=m,c[n+(j+8)>>2]=m;break}k=c[f>>2]|0,e=(e|0)==31?0:25-(e>>>1)|0;l:do if((c[k+4>>2]&-8|0)==(p|0))d=k;else{for(e=p<<e;;){if(g=k+(e>>>31<<2)+16|0,f=c[g>>2]|0,(f|0)==0)break;if((c[f+4>>2]&-8|0)==(p|0)){d=f;break l}e<<=1,k=f}if(!(g>>>0<(c[2190]|0)>>>0)){c[g>>2]=m,c[n+(j+24)>>2]=k,c[n+(j+12)>>2]=m,c[n+(j+8)>>2]=m;break j}ka()}while(0);if(f=d+8|0,g=c[f>>2]|0,e=c[2190]|0,d>>>0<e>>>0&&ka(),!(g>>>0<e>>>0)){c[g+12>>2]=m,c[f>>2]=m,c[n+(j+8)>>2]=g,c[n+(j+12)>>2]=d,c[n+(j+24)>>2]=0;break}ka()}while(0);return z=n+(h|8)|0,i=b,z|0}while(0);for(d=p,l=9192;;){if(f=c[l>>2]|0,!(f>>>0>d>>>0)&&(g=c[l+4>>2]|0,e=f+g|0,e>>>0>d>>>0))break;l=c[l+8>>2]|0}if(l=f+(g+-39)|0,l=(l&7|0)==0?0:0-l&7,f=f+(g+-47+l)|0,f=f>>>0<(p+16|0)>>>0?d:f,l=f+8|0,g=l,m=n+8|0,m=(m&7|0)==0?0:0-m&7,z=o+-40-m|0,c[2192]=n+m,c[2189]=z,c[n+(m+4)>>2]=z|1,c[n+(o+-36)>>2]=40,c[2193]=c[2308],c[f+4>>2]=27,c[l+0>>2]=c[2298],c[l+4>>2]=c[2299],c[l+8>>2]=c[2300],c[l+12>>2]=c[2301],c[2298]=n,c[2299]=o,c[2301]=0,c[2300]=g,g=f+28|0,c[g>>2]=7,(f+32|0)>>>0<e>>>0)for(;;){if(l=g+4|0,c[l>>2]=7,!((g+8|0)>>>0<e>>>0))break;g=l}if((f|0)==(d|0))break;if(e=f-p|0,f=d+(e+4)|0,c[f>>2]=c[f>>2]&-2,c[p+4>>2]=e|1,c[d+e>>2]=e,f=e>>>3,e>>>0<256){g=f<<1,d=8784+(g<<2)|0,e=c[2186]|0,f=1<<f;do if((e&f|0)==0)c[2186]=e|f,j=8784+\ No newline at end of file
-do if((b[f+36>>1]|0)!=0|Ka^1)Ca=2;else{if(Ea=(b[f+148>>1]|0)-(b[f+136>>1]|0)|0,((Ea|0)<0?0-Ea|0:Ea)>>>0>3){Ca=1;break}if(Ca=Ca-Da|0,((Ca|0)<0?0-Ca|0:Ca)>>>0>3){Ca=1;break}Ca=(c[f+120>>2]|0)!=(c[f+116>>2]|0)|0}while(0);c[v>>2]=Ca,Ca=b[f+158>>1]|0,Da=b[f+146>>1]|0;do if((Ba|ya)<<16>>16==0){if(ya=(b[f+156>>1]|0)-(b[f+144>>1]|0)|0,((ya|0)<0?0-ya|0:ya)>>>0>3){ya=1;break}if(ya=Ca-Da|0,((ya|0)<0?0-ya|0:ya)>>>0>3){ya=1;break}ya=(c[f+120>>2]|0)!=(c[f+116>>2]|0)|0}else ya=2;while(0);c[y>>2]=ya,Ba=b[f+182>>1]|0,ya=b[f+170>>1]|0;do if((za|xa)<<16>>16==0){if(xa=(b[f+180>>1]|0)-(b[f+168>>1]|0)|0,((xa|0)<0?0-xa|0:xa)>>>0>3){xa=1;break}if(xa=Ba-ya|0,((xa|0)<0?0-xa|0:xa)>>>0>3){xa=1;break}xa=(c[f+128>>2]|0)!=(c[f+124>>2]|0)|0}else xa=2;while(0);c[B>>2]=xa,xa=b[f+190>>1]|0,ya=b[f+178>>1]|0;do if((Aa|wa)<<16>>16==0){if(wa=(b[f+188>>1]|0)-(b[f+176>>1]|0)|0,((wa|0)<0?0-wa|0:wa)>>>0>3){wa=1;break}if(wa=xa-ya|0,((wa|0)<0?0-wa|0:wa)>>>0>3){wa=1;break}wa=(c[f+128>>2]|0)!=(c[f+124>>2]|0)|0}else wa=2;while(0);c[E>>2]=wa;break}Ca=b[f+32>>1]|0,Da=b[f+140>>1]|0,pb=b[f+132>>1]|0,xa=b[f+142>>1]|0,lb=b[f+134>>1]|0;do if(Ca<<16>>16==0){if((b[f+28>>1]|0)!=0){wa=2;break}if(wa=Da-pb|0,((wa|0)<0?0-wa|0:wa)>>>0>3){wa=1;break}wa=xa-lb|0,wa=((wa|0)<0?0-wa|0:wa)>>>0>3|0}else wa=2;while(0);c[e>>2]=wa,Ba=b[f+34>>1]|0,Aa=b[f+144>>1]|0,nb=b[f+136>>1]|0,wa=b[f+146>>1]|0,hb=b[f+138>>1]|0;do if(Ba<<16>>16==0){if((b[f+30>>1]|0)!=0){ya=2;break}if(ya=Aa-nb|0,((ya|0)<0?0-ya|0:ya)>>>0>3){ya=1;break}ya=wa-hb|0,ya=((ya|0)<0?0-ya|0:ya)>>>0>3|0}else ya=2;while(0);c[H>>2]=ya,za=b[f+40>>1]|0,Ea=b[f+156>>1]|0,mb=b[f+148>>1]|0,ya=b[f+158>>1]|0,ib=b[f+150>>1]|0;do if(za<<16>>16==0){if((b[f+36>>1]|0)!=0){Fa=2;break}if(Fa=Ea-mb|0,((Fa|0)<0?0-Fa|0:Fa)>>>0>3){Fa=1;break}Fa=ya-ib|0,Fa=((Fa|0)<0?0-Fa|0:Fa)>>>0>3|0}else Fa=2;while(0);c[I>>2]=Fa,Ja=b[f+42>>1]|0,La=b[f+160>>1]|0,rb=b[f+152>>1]|0,Fa=b[f+162>>1]|0,qb=b[f+154>>1]|0;do if(Ja<<16>>16==0){if((b[f+38>>1]|0)!=0){Ga=2;break}if(Ga=La-rb|0,((Ga|0)<0?0-Ga|0:Ga)>>>0>3){Ga=1;break}Ga=Fa-qb|0,Ga=((Ga|0)<0?0-Ga|0:Ga)>>>0>3|0}else Ga=2;while(0);c[J>>2]=Ga,Oa=b[f+44>>1]|0,Ma=b[f+164>>1]|0,Ia=b[f+166>>1]|0;do if((Oa|Ca)<<16>>16==0){if(Ga=Ma-Da|0,((Ga|0)<0?0-Ga|0:Ga)>>>0>3){Ga=1;break}if(Ga=Ia-xa|0,((Ga|0)<0?0-Ga|0:Ga)>>>0>3){Ga=1;break}Ga=(c[f+124>>2]|0)!=(c[f+116>>2]|0)|0}else Ga=2;while(0);c[R>>2]=Ga,Pa=b[f+46>>1]|0,Qa=b[f+168>>1]|0,Ha=b[f+170>>1]|0;do if((Pa|Ba)<<16>>16==0){if(Ga=Qa-Aa|0,((Ga|0)<0?0-Ga|0:Ga)>>>0>3){Ga=1;break}if(Ga=Ha-wa|0,((Ga|0)<0?0-Ga|0:Ga)>>>0>3){Ga=1;break}Ga=(c[f+124>>2]|0)!=(c[f+116>>2]|0)|0}else Ga=2;while(0);c[Q>>2]=Ga,Na=b[f+52>>1]|0,Ka=b[f+180>>1]|0,Ga=b[f+182>>1]|0;do if((Na|za)<<16>>16==0){if(Ra=Ka-Ea|0,((Ra|0)<0?0-Ra|0:Ra)>>>0>3){Ra=1;break}if(Ra=Ga-ya|0,((Ra|0)<0?0-Ra|0:Ra)>>>0>3){Ra=1;break}Ra=(c[f+128>>2]|0)!=(c[f+120>>2]|0)|0}else Ra=2;while(0);c[P>>2]=Ra,eb=b[f+54>>1]|0,cb=b[f+184>>1]|0,Ta=b[f+186>>1]|0;do if((eb|Ja)<<16>>16==0){if(Ra=cb-La|0,((Ra|0)<0?0-Ra|0:Ra)>>>0>3){Ra=1;break}if(Ra=Ta-Fa|0,((Ra|0)<0?0-Ra|0:Ra)>>>0>3){Ra=1;break}Ra=(c[f+128>>2]|0)!=(c[f+120>>2]|0)|0}else Ra=2;while(0);c[O>>2]=Ra,ab=b[f+48>>1]|0,$a=b[f+172>>1]|0,Ra=b[f+174>>1]|0;do if((ab|Oa)<<16>>16==0){if(Sa=$a-Ma|0,((Sa|0)<0?0-Sa|0:Sa)>>>0>3){Sa=1;break}Sa=Ra-Ia|0,Sa=((Sa|0)<0?0-Sa|0:Sa)>>>0>3|0}else Sa=2;while(0);c[N>>2]=Sa,bb=b[f+50>>1]|0,gb=b[f+176>>1]|0,_a=b[f+178>>1]|0;do if((bb|Pa)<<16>>16==0){if(Sa=gb-Qa|0,((Sa|0)<0?0-Sa|0:Sa)>>>0>3){Sa=1;break}Sa=_a-Ha|0,Sa=((Sa|0)<0?0-Sa|0:Sa)>>>0>3|0}else Sa=2;while(0);c[M>>2]=Sa,fb=b[f+56>>1]|0,db=b[f+188>>1]|0,Sa=b[f+190>>1]|0;do if((fb|Na)<<16>>16==0){if(jb=db-Ka|0,((jb|0)<0?0-jb|0:jb)>>>0>3){jb=1;break}jb=Sa-Ga|0,jb=((jb|0)<0?0-jb|0:jb)>>>0>3|0}else jb=2;while(0);c[L>>2]=jb,ob=b[f+58>>1]|0,kb=b[f+192>>1]|0,jb=b[f+194>>1]|0;do if((ob|eb)<<16>>16==0){if(sb=kb-cb|0,((sb|0)<0?0-sb|0:sb)>>>0>3){sb=1;break}sb=jb-Ta|0,sb=((sb|0)<0?0-sb|0:sb)>>>0>3|0}else sb=2;while(0);c[K>>2]=sb,sb=b[f+30>>1]|0;do if(sb<<16>>16==0){if((b[f+28>>1]|0)!=0){lb=2;break}if(pb=nb-pb|0,((pb|0)<0?0-pb|0:pb)>>>0>3){lb=1;break}lb=hb-lb|0,lb=((lb|0)<0?0-lb|0:lb)>>>0>3|0}else lb=2;while(0);c[ba>>2]=lb,lb=b[f+36>>1]|0;do \ No newline at end of file
-else{for(C=c[v>>2]|0,E=0;;){if(F=C+(E*40|0)+20|0,(c[F>>2]|0)==3&&(c[C+(E*40|0)+8>>2]|0)==(B|0))break;if(E=E+1|0,!(E>>>0<D>>>0)){o=91;break f}}if(c[F>>2]=0,C=(c[p>>2]|0)+-1|0,c[p>>2]=C,(c[(c[v>>2]|0)+(E*40|0)+24>>2]|0)!=0)break;c[w>>2]=(c[w>>2]|0)+-1}while(0);if((o|0)==91&&(o=0,C=c[p>>2]|0),!(C>>>0<(c[u>>2]|0)>>>0)){b=1,o=104;break c}s=c[l>>2]|0,c[s+12>>2]=e,c[s+8>>2]=B,c[s+16>>2]=f,c[s+20>>2]=3,c[(c[l>>2]|0)+24>>2]=(c[d>>2]|0)==0,c[p>>2]=(c[p>>2]|0)+1,c[w>>2]=(c[w>>2]|0)+1,s=1;break;case 0:b=0,o=104;break c;default:b=1;break c}while(0);A=A+1|0}if((s|0)!=0){n=b;break a}p=c[p>>2]|0}while(0);if(o=a+40|0,!(p>>>0<(c[a+24>>2]|0)>>>0)){n=1;break}H=c[l>>2]|0,c[H+12>>2]=e,c[H+8>>2]=e,c[H+16>>2]=f,c[H+20>>2]=2,c[(c[l>>2]|0)+24>>2]=n,n=a+44|0,c[n>>2]=(c[n>>2]|0)+1,c[o>>2]=(c[o>>2]|0)+1,n=b}while(0);b=c[l>>2]|0,c[b+36>>2]=g,c[b+28>>2]=h,c[b+32>>2]=j;g:do if((c[d>>2]|0)==0){if(j=a+44|0,f=c[j>>2]|0,l=a+28|0,o=c[l>>2]|0,!(f>>>0>o>>>0))break;for(h=a,b=a+16|0,g=a+12|0,p=1;;){do if(p){p=c[h>>2]|0,q=0,s=2147483647,r=0;do(c[p+(q*40|0)+24>>2]|0)!=0&&(u=c[p+(q*40|0)+16>>2]|0,t=(u|0)<(s|0),s=t?u:s,r=t?p+(q*40|0)|0:r),q=q+1|0;while(!(q>>>0>o>>>0));if((r|0)==0)break;if(H=c[b>>2]|0,c[(c[g>>2]|0)+(H<<4)>>2]=c[r>>2],f=c[g>>2]|0,c[f+(H<<4)+12>>2]=c[r+36>>2],c[f+(c[b>>2]<<4)+4>>2]=c[r+28>>2],c[f+(c[b>>2]<<4)+8>>2]=c[r+32>>2],c[b>>2]=(c[b>>2]|0)+1,c[r+24>>2]=0,f=c[j>>2]|0,(c[r+20>>2]|0)!=0)break;f=f+-1|0,c[j>>2]=f}while(0);if(o=c[l>>2]|0,!(f>>>0>o>>>0))break g;p=(c[d>>2]|0)==0}}else o=a+16|0,F=c[o>>2]|0,H=a+12|0,c[(c[H>>2]|0)+(F<<4)>>2]=c[b>>2],G=c[l>>2]|0,H=c[H>>2]|0,c[H+(F<<4)+12>>2]=c[G+36>>2],c[H+(c[o>>2]<<4)+4>>2]=c[G+28>>2],c[H+(c[o>>2]<<4)+8>>2]=c[G+32>>2],c[o>>2]=(c[o>>2]|0)+1,o=c[a+28>>2]|0;while(0);return mb(c[a>>2]|0,o+1|0),H=n,i=k,H|0}function mb(a,b){a|=0,b|=0;var d=0,e=0,f=0,g=0,h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0;g=i,i=i+24|0,o=g,k=g+8|0,f=7;do{if(f>>>0<b>>>0){h=f;do{d=a+(h*40|0)|0,j=c[d>>2]|0,d=c[d+4>>2]|0,l=c[a+(h*40|0)+8>>2]|0,t=a+(h*40|0)+12|0,n=c[t+4>>2]|0,m=o,c[m>>2]=c[t>>2],c[m+4>>2]=n,m=c[a+(h*40|0)+20>>2]|0,n=c[a+(h*40|0)+24>>2]|0,t=a+(h*40|0)+28|0,c[k+0>>2]=c[t+0>>2],c[k+4>>2]=c[t+4>>2],c[k+8>>2]=c[t+8>>2];a:do if(h>>>0<f>>>0)p=h,e=14;else{t=(n|0)==0;b:do if((m|0)==0)for(q=h;;){if(p=q-f|0,(c[a+(p*40|0)+20>>2]|0)!=0)break b;if((c[a+(p*40|0)+24>>2]|0)!=0|t)break b;q=a+(q*40|0)+0|0,r=a+(p*40|0)+0|0,s=q+40|0;do c[q>>2]=c[r>>2],q=q+4|0,r=r+4|0;while((q|0)<(s|0));if(p>>>0<f>>>0){e=14;break a}q=p}else{if((m+-1|0)>>>0<2)r=h;else for(q=h;;){if(p=q-f|0,r=c[a+(p*40|0)+20>>2]|0,(r|0)!=0){if((r+-1|0)>>>0<2)break b;if((c[a+(p*40|0)+8>>2]|0)<=(l|0))break b}q=a+(q*40|0)+0|0,r=a+(p*40|0)+0|0,s=q+40|0;do c[q>>2]=c[r>>2],q=q+4|0,r=r+4|0;while((q|0)<(s|0));if(p>>>0<f>>>0){e=14;break a}q=p}for(;;){if(p=r-f|0,t=c[a+(p*40|0)+20>>2]|0,(t|0)!=0&(t+-1|0)>>>0<2){if(q=c[a+(p*40|0)+8>>2]|0,(q|0)>(l|0)){q=r;break b}if(r=a+(r*40|0)|0,(q|0)>=(l|0))break a}else r=a+(r*40|0)|0;q=r+0|0,r=a+(p*40|0)+0|0,s=q+40|0;do c[q>>2]=c[r>>2],q=q+4|0,r=r+4|0;while((q|0)<(s|0));if(p>>>0<f>>>0){e=14;break a}r=p}}while(0);r=a+(q*40|0)|0}while(0);(e|0)==14&&(e=0,r=a+(p*40|0)|0),q=r,c[q>>2]=j,c[q+4>>2]=d,c[r+8>>2]=l,q=o,s=c[q+4>>2]|0,t=r+12|0,c[t>>2]=c[q>>2],c[t+4>>2]=s,c[r+20>>2]=m,c[r+24>>2]=n,t=r+28|0,c[t+0>>2]=c[k+0>>2],c[t+4>>2]=c[k+4>>2],c[t+8>>2]=c[k+8>>2],h=h+1|0}while((h|0)!=(b|0))}f>>>=1}while((f|0)!=0);i=g}function nb(a,b){a|=0,b|=0;var d=0;d=i;do if(b>>>0>16)a=0;else{if(a=c[(c[a+4>>2]|0)+(b<<2)>>2]|0,(a|0)==0){a=0;break}if(!((c[a+20>>2]|0)>>>0>1)){a=0;break}a=c[a>>2]|0}while(0);return i=d,a|0}function ob(a){a|=0;var b=0;return b=(c[a>>2]|0)+((c[a+28>>2]|0)*40|0)|0,c[a+8>>2]=b,i=i,c[b>>2]|0}function pb(a,b,d,e,f,g){a|=0,b|=0,d|=0,e|=0,f|=0,g|=0;var h=0,j=0;if(h=i,c[a+36>>2]=65535,e=e>>>0>1?e:1,c[a+24>>2]=e,d=(g|0)==0?d:e,c[a+28>>2]=d,c[a+32>>2]=f,c[a+56>>2]=g,c[a+44>>2]=0,c[a+40>>2]=0,c[a+48>>2]=0,e=Xc(680)|0,g=e,f=a,c[f>>2]=g,(e|0)==0)return j=65535,i=h,j|0;_c(e|0,0,680)|0;do if((d|0)==-1)d=0;else{for(b=b*384|47,e=g,g=0;;){if(c[e+(g*40|0)+4>>2]=Xc(b)|0,e=c[f>>2]|0,j=c[e+(g*40|0)+4>>2]|0,(j|0)==0){a=65535,f=10;break}if(c[e+(g*40|0)>>2]=j+(0-j&15),g=g+1|0,\ No newline at end of file
-do{j=h+(_(l+-7|0,b)|0)|0,m=l<<4,n=0;do o=j+(_(n+-7|0,g)|0)>>5,o=(o|0)<0?0:(o|0)>255?-1:o&255,a[e+(n+m)|0]=o,n=n+1|0;while((n|0)!=16);l=l+1|0}while((l|0)!=16)}return Eb(e,f,0),Eb(e,f+64|0,1),Eb(e,f+128|0,2),Eb(e,f+192|0,3),Eb(e,f+256|0,4),Eb(e,f+320|0,5),Eb(e,f+384|0,6),Eb(e,f+448|0,7),Eb(e,f+512|0,8),Eb(e,f+576|0,9),Eb(e,f+640|0,10),Eb(e,f+704|0,11),Eb(e,f+768|0,12),Eb(e,f+832|0,13),Eb(e,f+896|0,14),Eb(e,f+960|0,15),y=0,i=k,y|0}function Cb(b,e,f,g,h,j){b|=0,e|=0,f|=0,g|=0,h|=0,j|=0;var k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0;k=i,j=(j|0)==0,l=0;a:for(;;){o=Qb(l)|0,m=c[o+4>>2]|0,o=Pb(b,c[o>>2]|0)|0,q=Ub(b,o)|0,(q|0)==0|j||(H=(Gb(c[o>>2]|0)|0)==2,q=H?0:q),p=Rb(l)|0,n=c[p+4>>2]|0,p=Pb(b,c[p>>2]|0)|0,r=Ub(b,p)|0,(r|0)==0|j||(H=(Gb(c[p>>2]|0)|0)==2,r=H?0:r),s=(q|0)!=0,s&(r|0)!=0?(m=(Gb(c[o>>2]|0)|0)==0?d[o+(m&255)+82|0]|0:2,n=(Gb(c[p>>2]|0)|0)==0?d[p+(n&255)+82|0]|0:2,v=m>>>0<n>>>0?m:n):v=2,(c[f+(l<<2)+12>>2]|0)==0&&(H=c[f+(l<<2)+76>>2]|0,v=(H>>>0>=v>>>0)+H|0),a[b+l+82|0]=v,m=c[(Sb(l)|0)>>2]|0,m=Pb(b,m)|0,y=Ub(b,m)|0,(y|0)==0|j||(H=(Gb(c[m>>2]|0)|0)==2,y=H?0:y),m=c[(Tb(l)|0)>>2]|0,m=Pb(b,m)|0,A=Ub(b,m)|0,(A|0)==0|j||(H=(Gb(c[m>>2]|0)|0)==2,A=H?0:A),m=c[4584+(l<<2)>>2]|0,n=c[4648+(l<<2)>>2]|0,F=(1285>>>l&1|0)!=0,F?(o=h+(n+3)|0,p=h+(n+2)|0,q=h+(n+1)|0,t=h+n|0):(t=(n<<4)+m|0,o=e+(t+47)|0,p=e+(t+31)|0,q=e+(t+15)|0,t=e+(t+-1)|0),x=a[t]|0,z=a[q]|0,B=a[p]|0,C=a[o]|0;do{if((51>>>l&1|0)==0){if(H=n+-1|0,G=(H<<4)+m|0,u=a[e+G|0]|0,E=a[e+(G+1)|0]|0,D=a[e+(G+2)|0]|0,o=a[e+(G+3)|0]|0,w=a[e+(G+4)|0]|0,q=a[e+(G+5)|0]|0,p=a[e+(G+6)|0]|0,t=a[e+(G+7)|0]|0,F){F=h+H|0;break}F=e+(G+-1)|0;break}F=g+m|0,t=a[g+(m+8)|0]|0,p=a[g+(m+7)|0]|0,q=a[g+(m+6)|0]|0,w=a[g+(m+5)|0]|0,o=a[g+(m+4)|0]|0,D=a[g+(m+3)|0]|0,E=a[g+(m+2)|0]|0,u=a[g+(m+1)|0]|0}while(0);switch(F=a[F]|0,v|0){case 1:if(!s){e=1,h=51;break a}p=_(C&255,16843009)|0,q=_(B&255,16843009)|0,z=_(z&255,16843009)|0,o=_(x&255,16843009)|0;break;case 0:if((r|0)==0){e=1,h=51;break a}o=(D&255)<<16|(o&255)<<24|(E&255)<<8|u&255,p=o,q=o,z=o;break;case 2:p=(r|0)==0;do if(p|s^1){if(s){o=((x&255)+2+(z&255)+(B&255)+(C&255)|0)>>>2;break}if(p){o=128;break}o=((o&255)+2+(D&255)+(E&255)+(u&255)|0)>>>2}else o=((x&255)+4+(z&255)+(B&255)+(C&255)+(o&255)+(D&255)+(E&255)+(u&255)|0)>>>3;while(0);o=_(o&255,16843009)|0,p=o,q=o,z=o;break;case 3:if((r|0)==0){e=1,h=51;break a}x=(y|0)==0,r=E&255,s=D&255,v=s+2|0,z=o&255,y=z+2|0,s=(y+r+(s<<1)|0)>>>2&255,A=(x?o:w)&255,w=(v+(z<<1)+A|0)>>>2&255,q=(x?o:q)&255,y=(y+q+(A<<1)|0)>>>2,z=y&255,p=(x?o:p)&255,A=(A+2+p+(q<<1)|0)>>>2,B=A&255,o=(x?o:t)&255,q=(q+2+o+(p<<1)|0)>>>2,p=(p+2+(o*3|0)|0)>>>2<<24|z|B<<8|q<<16&16711680,q=w|z<<8|q<<24|B<<16,z=z<<16|s|A<<24|w<<8,o=s<<8|y<<24|(v+(u&255)+(r<<1)|0)>>>2&255|w<<16;break;case 4:if((r|0)==0|s^1|(A|0)==0){e=1,h=51;break a}A=u&255,H=F&255,q=x&255,y=A+2|0,p=(y+q+(H<<1)|0)>>>2,G=p&255,E&=255,x=H+2|0,A=((A<<1)+E+x|0)>>>2,H=A&255,F=D&255,D=((E<<1)+F+y|0)>>>2,y=z&255,z=(y+(q<<1)+x|0)>>>2&255,B&=255,q=(q+2+(y<<1)+B|0)>>>2&255,p=(y+2+(B<<1)+(C&255)|0)>>>2&255|q<<8|p<<24|z<<16,q=A<<24|q|G<<16|z<<8,z=z|D<<24|H<<16|G<<8,o=D<<16&16711680|((o&255)+2+E+(F<<1)|0)>>>2<<24|G|H<<8;break;case 5:if((r|0)==0|s^1|(A|0)==0){e=1,h=51;break a}q=F&255,G=u&255,H=(G+1+q|0)>>>1&255,y=E&255,C=(y+2+(G<<1)+q|0)>>>2&255,x&=255,E=G+2|0,A=(E+x+(q<<1)|0)>>>2&255,G=(y+1+G|0)>>>1&255,F=D&255,D=((y<<1)+F+E|0)>>>2,E=(F+1+y|0)>>>1,o&=255,z&=255,p=D<<24|(x+2+(B&255)+(z<<1)|0)>>>2&255|C<<16|A<<8,q=G<<16|E<<24|(z+2+(x<<1)+q|0)>>>2&255|H<<8,z=D<<16&16711680|(o+2+y+(F<<1)|0)>>>2<<24|A|C<<8,o=E<<16&16711680|(o+1+F|0)>>>1<<24|G<<8|H;break;case 6:if((r|0)==0|s^1|(A|0)==0){e=1,h=51;break a}H=F&255,o=x&255,x=o+1|0,A=(x+H|0)>>>1&255,w=z&255,y=((o<<1)+2+w+H|0)>>>2,z=(x+w|0)>>>1&255,x=B&255,o=o+2|0,q=(o+(w<<1)+x|0)>>>2,B=(w+1+x|0)>>>1&255,p=C&255,G=u&255,o=(o+G+(H<<1)|0)>>>2,F=E&255,p=q<<24|B<<16|(x+1+p|0)>>>1&255|w+2+(x<<1)+p<<6&65280,q=B|z<<16|q<<8&65280|y<<24,z=y<<8&65280|z|A<<16|o<<24,o=A|((D&255)+2+(F<<1)+G|0)>>>2<<24|F+2+(G<<1)+H<<14&16711680|o<<8&65280;break;case 7:if((r|0)==0){e=1,h=51;break a}v=(y|0)==0,r=u&255,s=E&255,z=D&255,t=(z+1+s|0)>>>\ No newline at end of file
+function H264bsdCanvas(t,e){this.canvasElement=t,e||this.initContextGL(),this.contextGL&&(this.initProgram(),this.initBuffers(),this.initTextures())}H264bsdCanvas.prototype.initContextGL=function(){for(var t=this.canvasElement,e=null,r=["webgl","experimental-webgl","moz-webgl","webkit-3d"],a=0;!e&&a<r.length;){var i=r[a];try{e=t.getContext(i)}catch(o){e=null}e&&"function"==typeof e.getParameter||(e=null),++a}this.contextGL=e},H264bsdCanvas.prototype.initProgram=function(){var t=this.contextGL,e=["attribute vec4 vertexPos;","attribute vec4 texturePos;","varying vec2 textureCoord;","void main()","{","gl_Position = vertexPos;","textureCoord = texturePos.xy;","}"].join("\n"),r=["precision highp float;","varying highp vec2 textureCoord;","uniform sampler2D ySampler;","uniform sampler2D uSampler;","uniform sampler2D vSampler;","const mat4 YUV2RGB = mat4","(","1.1643828125, 0, 1.59602734375, -.87078515625,","1.1643828125, -.39176171875, -.81296875, .52959375,","1.1643828125, 2.017234375, 0, -1.081390625,","0, 0, 0, 1",");","void main(void) {","highp float y = texture2D(ySampler, textureCoord).r;","highp float u = texture2D(uSampler, textureCoord).r;","highp float v = texture2D(vSampler, textureCoord).r;","gl_FragColor = vec4(y, u, v, 1) * YUV2RGB;","}"].join("\n"),a=t.createShader(t.VERTEX_SHADER);t.shaderSource(a,e),t.compileShader(a),t.getShaderParameter(a,t.COMPILE_STATUS)||console.log("Vertex shader failed to compile: "+t.getShaderInfoLog(a));var i=t.createShader(t.FRAGMENT_SHADER);t.shaderSource(i,r),t.compileShader(i),t.getShaderParameter(i,t.COMPILE_STATUS)||console.log("Fragment shader failed to compile: "+t.getShaderInfoLog(i));var o=t.createProgram();t.attachShader(o,a),t.attachShader(o,i),t.linkProgram(o),t.getProgramParameter(o,t.LINK_STATUS)||console.log("Program failed to compile: "+t.getProgramInfoLog(o)),t.useProgram(o),this.shaderProgram=o},H264bsdCanvas.prototype.initBuffers=function(){var t=this.contextGL,e=this.shaderProgram,r=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,r),t.bufferData(t.ARRAY_BUFFER,new Float32Array([1,1,-1,1,1,-1,-1,-1]),t.STATIC_DRAW);var a=t.getAttribLocation(e,"vertexPos");t.enableVertexAttribArray(a),t.vertexAttribPointer(a,2,t.FLOAT,!1,0,0);var i=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,i),t.bufferData(t.ARRAY_BUFFER,new Float32Array([1,0,0,0,1,1,0,1]),t.STATIC_DRAW);var o=t.getAttribLocation(e,"texturePos");t.enableVertexAttribArray(o),t.vertexAttribPointer(o,2,t.FLOAT,!1,0,0),this.texturePosBuffer=i},H264bsdCanvas.prototype.initTextures=function(){var t=this.contextGL,e=this.shaderProgram,r=this.initTexture(),a=t.getUniformLocation(e,"ySampler");t.uniform1i(a,0),this.yTextureRef=r;var i=this.initTexture(),o=t.getUniformLocation(e,"uSampler");t.uniform1i(o,1),this.uTextureRef=i;var n=this.initTexture(),u=t.getUniformLocation(e,"vSampler");t.uniform1i(u,2),this.vTextureRef=n},H264bsdCanvas.prototype.initTexture=function(){var t=this.contextGL,e=t.createTexture();return t.bindTexture(t.TEXTURE_2D,e),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.bindTexture(t.TEXTURE_2D,null),e},H264bsdCanvas.prototype.drawNextOutputPicture=function(t,e,r,a){var i=this.contextGL;i?this.drawNextOuptutPictureGL(t,e,r,a):this.drawNextOuptutPictureRGBA(t,e,r,a)},H264bsdCanvas.prototype.drawNextOuptutPictureGL=function(t,e,r,a){var i=this.contextGL,o=this.texturePosBuffer,n=this.yTextureRef,u=this.uTextureRef,s=this.vTextureRef;if(null===r)i.viewport(0,0,t,e);else{i.viewport(0,0,r.width,r.height);var T=r.top/e,E=r.left/t,h=r.height/e,x=r.width/t,f=new Float32Array([x,T,E,T,x,h,E,h]);i.bindBuffer(i.ARRAY_BUFFER,o),i.bufferData(i.ARRAY_BUFFER,f,i.DYNAMIC_DRAW)}var l=a,R=t*e,c=l.subarray(0,R);i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,n),i.texImage2D(i.TEXTURE_2D,0,i.LUMINANCE,t,e,0,i.LUMINANCE,i.UNSIGNED_BYTE,c);var m=t/2*e/2,v=l.subarray(R,R+m);i.activeTexture(i.TEXTURE1),i.bindTexture(i.TE\ No newline at end of file
--- a/js/h264bsd_asm.js
+++ b/js/h264bsd_asm.js
@@ -1,5822 +1,17 @@
-// The Module object: Our interface to the outside world. We import
-// and export values on it, and do the work to get that through
-// closure compiler if necessary. There are various ways Module can be used:
-// 1. Not defined. We create it here
-// 2. A function parameter, function(Module) { ..generated code.. }-// 3. pre-run appended it, var Module = {}; ..generated code..-// 4. External script tag defines var Module.
-// We need to do an eval in order to handle the closure compiler
-// case, where this code here is minified but Module was defined
-// elsewhere (e.g. case 4 above). We also need to check if Module
-// already exists (e.g. case 3 above).
-// Note that if you want to run closure, and also to use Module
-// after the generated code, you will need to define var Module = {};-// before the code. Then that object will be used in the code, and you
-// can continue to use Module afterwards as well.
-var Module;
-if (!Module) Module = eval('(function() { try { return Module || {} } catch(e) { return {} } })()');-
-// Sometimes an existing Module object exists with properties
-// meant to overwrite the default module functionality. Here
-// we collect those properties and reapply _after_ we configure
-// the current environment's defaults to avoid having to be so
-// defensive during initialization.
-var moduleOverrides = {};-for (var key in Module) {- if (Module.hasOwnProperty(key)) {- moduleOverrides[key] = Module[key];
- }
-}
-
-// The environment setup code below is customized to use Module.
-// *** Environment setup code ***
-var ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function';
-var ENVIRONMENT_IS_WEB = typeof window === 'object';
-var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
-var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
-
-if (ENVIRONMENT_IS_NODE) {- // Expose functionality in the same simple way that the shells work
- // Note that we pollute the global namespace here, otherwise we break in node
- if (!Module['print']) Module['print'] = function print(x) {- process['stdout'].write(x + '\n');
- };
- if (!Module['printErr']) Module['printErr'] = function printErr(x) {- process['stderr'].write(x + '\n');
- };
-
- var nodeFS = require('fs');- var nodePath = require('path');-
- Module['read'] = function read(filename, binary) {- filename = nodePath['normalize'](filename);
- var ret = nodeFS['readFileSync'](filename);
- // The path is absolute if the normalized version is the same as the resolved.
- if (!ret && filename != nodePath['resolve'](filename)) {- filename = path.join(__dirname, '..', 'src', filename);
- ret = nodeFS['readFileSync'](filename);
- }
- if (ret && !binary) ret = ret.toString();
- return ret;
- };
-
- Module['readBinary'] = function readBinary(filename) { return Module['read'](filename, true) };-
- Module['load'] = function load(f) {- globalEval(read(f));
- };
-
- Module['arguments'] = process['argv'].slice(2);
-
- module['exports'] = Module;
-}
-else if (ENVIRONMENT_IS_SHELL) {- if (!Module['print']) Module['print'] = print;
- if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not present in v8 or older sm
-
- if (typeof read != 'undefined') {- Module['read'] = read;
- } else {- Module['read'] = function read() { throw 'no read() available (jsc?)' };- }
-
- Module['readBinary'] = function readBinary(f) {- return read(f, 'binary');
- };
-
- if (typeof scriptArgs != 'undefined') {- Module['arguments'] = scriptArgs;
- } else if (typeof arguments != 'undefined') {- Module['arguments'] = arguments;
- }
-
- this['Module'] = Module;
-
- eval("if (typeof gc === 'function' && gc.toString().indexOf('[native code]') > 0) var gc = undefined"); // wipe out the SpiderMonkey shell 'gc' function, which can confuse closure (uses it as a minified name, and it is then initted to a non-falsey value unexpectedly)-}
-else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {- Module['read'] = function read(url) {- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);- xhr.send(null);
- return xhr.responseText;
- };
-
- if (typeof arguments != 'undefined') {- Module['arguments'] = arguments;
- }
-
- if (typeof console !== 'undefined') {- if (!Module['print']) Module['print'] = function print(x) {- console.log(x);
- };
- if (!Module['printErr']) Module['printErr'] = function printErr(x) {- console.log(x);
- };
- } else {- // Probably a worker, and without console.log. We can do very little here...
- var TRY_USE_DUMP = false;
- if (!Module['print']) Module['print'] = (TRY_USE_DUMP && (typeof(dump) !== "undefined") ? (function(x) {- dump(x);
- }) : (function(x) {- // self.postMessage(x); // enable this if you want stdout to be sent as messages
- }));
- }
-
- if (ENVIRONMENT_IS_WEB) {- this['Module'] = Module;
- } else {- Module['load'] = importScripts;
- }
-}
-else {- // Unreachable because SHELL is dependant on the others
- throw 'Unknown runtime environment. Where are we?';
-}
-
-function globalEval(x) {- eval.call(null, x);
-}
-if (!Module['load'] == 'undefined' && Module['read']) {- Module['load'] = function load(f) {- globalEval(Module['read'](f));
- };
-}
-if (!Module['print']) {- Module['print'] = function(){};-}
-if (!Module['printErr']) {- Module['printErr'] = Module['print'];
-}
-if (!Module['arguments']) {- Module['arguments'] = [];
-}
-// *** Environment setup code ***
-
-// Closure helpers
-Module.print = Module['print'];
-Module.printErr = Module['printErr'];
-
-// Callbacks
-Module['preRun'] = [];
-Module['postRun'] = [];
-
-// Merge back in the overrides
-for (var key in moduleOverrides) {- if (moduleOverrides.hasOwnProperty(key)) {- Module[key] = moduleOverrides[key];
- }
-}
-
-
-
-// === Auto-generated preamble library stuff ===
-
-//========================================
-// Runtime code shared with compiler
-//========================================
-
-var Runtime = {- stackSave: function () {- return STACKTOP;
- },
- stackRestore: function (stackTop) {- STACKTOP = stackTop;
- },
- forceAlign: function (target, quantum) {- quantum = quantum || 4;
- if (quantum == 1) return target;
- if (isNumber(target) && isNumber(quantum)) {- return Math.ceil(target/quantum)*quantum;
- } else if (isNumber(quantum) && isPowerOfTwo(quantum)) {- return '(((' +target + ')+' + (quantum-1) + ')&' + -quantum + ')';- }
- return 'Math.ceil((' + target + ')/' + quantum + ')*' + quantum;- },
- isNumberType: function (type) {- return type in Runtime.INT_TYPES || type in Runtime.FLOAT_TYPES;
- },
- isPointerType: function isPointerType(type) {- return type[type.length-1] == '*';
-},
- isStructType: function isStructType(type) {- if (isPointerType(type)) return false;
- if (isArrayType(type)) return true;
- if (/<?\{ ?[^}]* ?\}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types- // See comment in isStructPointerType()
- return type[0] == '%';
-},
- INT_TYPES: {"i1":0,"i8":0,"i16":0,"i32":0,"i64":0},- FLOAT_TYPES: {"float":0,"double":0},- or64: function (x, y) {- var l = (x | 0) | (y | 0);
- var h = (Math.round(x / 4294967296) | Math.round(y / 4294967296)) * 4294967296;
- return l + h;
- },
- and64: function (x, y) {- var l = (x | 0) & (y | 0);
- var h = (Math.round(x / 4294967296) & Math.round(y / 4294967296)) * 4294967296;
- return l + h;
- },
- xor64: function (x, y) {- var l = (x | 0) ^ (y | 0);
- var h = (Math.round(x / 4294967296) ^ Math.round(y / 4294967296)) * 4294967296;
- return l + h;
- },
- getNativeTypeSize: function (type) {- switch (type) {- case 'i1': case 'i8': return 1;
- case 'i16': return 2;
- case 'i32': return 4;
- case 'i64': return 8;
- case 'float': return 4;
- case 'double': return 8;
- default: {- if (type[type.length-1] === '*') {- return Runtime.QUANTUM_SIZE; // A pointer
- } else if (type[0] === 'i') {- var bits = parseInt(type.substr(1));
- assert(bits % 8 === 0);
- return bits/8;
- } else {- return 0;
- }
- }
- }
- },
- getNativeFieldSize: function (type) {- return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE);
- },
- dedup: function dedup(items, ident) {- var seen = {};- if (ident) {- return items.filter(function(item) {- if (seen[item[ident]]) return false;
- seen[item[ident]] = true;
- return true;
- });
- } else {- return items.filter(function(item) {- if (seen[item]) return false;
- seen[item] = true;
- return true;
- });
- }
-},
- set: function set() {- var args = typeof arguments[0] === 'object' ? arguments[0] : arguments;
- var ret = {};- for (var i = 0; i < args.length; i++) {- ret[args[i]] = 0;
- }
- return ret;
-},
- STACK_ALIGN: 8,
- getAlignSize: function (type, size, vararg) {- // we align i64s and doubles on 64-bit boundaries, unlike x86
- if (!vararg && (type == 'i64' || type == 'double')) return 8;
- if (!type) return Math.min(size, 8); // align structures internally to 64 bits
- return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE);
- },
- calculateStructAlignment: function calculateStructAlignment(type) {- type.flatSize = 0;
- type.alignSize = 0;
- var diffs = [];
- var prev = -1;
- var index = 0;
- type.flatIndexes = type.fields.map(function(field) {- index++;
- var size, alignSize;
- if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) {- size = Runtime.getNativeTypeSize(field); // pack char; char; in structs, also char[X]s.
- alignSize = Runtime.getAlignSize(field, size);
- } else if (Runtime.isStructType(field)) {- if (field[1] === '0') {- // this is [0 x something]. When inside another structure like here, it must be at the end,
- // and it adds no size
- // XXX this happens in java-nbody for example... assert(index === type.fields.length, 'zero-length in the middle!');
- size = 0;
- if (Types.types[field]) {- alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
- } else {- alignSize = type.alignSize || QUANTUM_SIZE;
- }
- } else {- size = Types.types[field].flatSize;
- alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
- }
- } else if (field[0] == 'b') {- // bN, large number field, like a [N x i8]
- size = field.substr(1)|0;
- alignSize = 1;
- } else if (field[0] === '<') {- // vector type
- size = alignSize = Types.types[field].flatSize; // fully aligned
- } else if (field[0] === 'i') {- // illegal integer field, that could not be legalized because it is an internal structure field
- // it is ok to have such fields, if we just use them as markers of field size and nothing more complex
- size = alignSize = parseInt(field.substr(1))/8;
- assert(size % 1 === 0, 'cannot handle non-byte-size field ' + field);
- } else {- assert(false, 'invalid type for calculateStructAlignment');
- }
- if (type.packed) alignSize = 1;
- type.alignSize = Math.max(type.alignSize, alignSize);
- var curr = Runtime.alignMemory(type.flatSize, alignSize); // if necessary, place this on aligned memory
- type.flatSize = curr + size;
- if (prev >= 0) {- diffs.push(curr-prev);
- }
- prev = curr;
- return curr;
- });
- if (type.name_ && type.name_[0] === '[') {- // arrays have 2 elements, so we get the proper difference. then we scale here. that way we avoid
- // allocating a potentially huge array for [999999 x i8] etc.
- type.flatSize = parseInt(type.name_.substr(1))*type.flatSize/2;
- }
- type.flatSize = Runtime.alignMemory(type.flatSize, type.alignSize);
- if (diffs.length == 0) {- type.flatFactor = type.flatSize;
- } else if (Runtime.dedup(diffs).length == 1) {- type.flatFactor = diffs[0];
- }
- type.needsFlattening = (type.flatFactor != 1);
- return type.flatIndexes;
- },
- generateStructInfo: function (struct, typeName, offset) {- var type, alignment;
- if (typeName) {- offset = offset || 0;
- type = (typeof Types === 'undefined' ? Runtime.typeInfo : Types.types)[typeName];
- if (!type) return null;
- if (type.fields.length != struct.length) {- printErr('Number of named fields must match the type for ' + typeName + ': possibly duplicate struct names. Cannot return structInfo');- return null;
- }
- alignment = type.flatIndexes;
- } else {- var type = { fields: struct.map(function(item) { return item[0] }) };- alignment = Runtime.calculateStructAlignment(type);
- }
- var ret = {- __size__: type.flatSize
- };
- if (typeName) {- struct.forEach(function(item, i) {- if (typeof item === 'string') {- ret[item] = alignment[i] + offset;
- } else {- // embedded struct
- var key;
- for (var k in item) key = k;
- ret[key] = Runtime.generateStructInfo(item[key], type.fields[i], alignment[i]);
- }
- });
- } else {- struct.forEach(function(item, i) {- ret[item[1]] = alignment[i];
- });
- }
- return ret;
- },
- dynCall: function (sig, ptr, args) {- if (args && args.length) {- if (!args.splice) args = Array.prototype.slice.call(args);
- args.splice(0, 0, ptr);
- return Module['dynCall_' + sig].apply(null, args);
- } else {- return Module['dynCall_' + sig].call(null, ptr);
- }
- },
- functionPointers: [],
- addFunction: function (func) {- for (var i = 0; i < Runtime.functionPointers.length; i++) {- if (!Runtime.functionPointers[i]) {- Runtime.functionPointers[i] = func;
- return 2*(1 + i);
- }
- }
- throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
- },
- removeFunction: function (index) {- Runtime.functionPointers[(index-2)/2] = null;
- },
- getAsmConst: function (code, numArgs) {- // code is a constant string on the heap, so we can cache these
- if (!Runtime.asmConstCache) Runtime.asmConstCache = {};- var func = Runtime.asmConstCache[code];
- if (func) return func;
- var args = [];
- for (var i = 0; i < numArgs; i++) {- args.push(String.fromCharCode(36) + i); // $0, $1 etc
- }
- code = Pointer_stringify(code);
- if (code[0] === '"') {- // tolerate EM_ASM("..code..") even though EM_ASM(..code..) is correct- if (code.indexOf('"', 1) === code.length-1) {- code = code.substr(1, code.length-2);
- } else {- // something invalid happened, e.g. EM_ASM("..code($0)..", input)- abort('invalid EM_ASM input |' + code + '|. Please use EM_ASM(..code..) (no quotes) or EM_ASM({ ..code($0).. }, input) (to input values)');- }
- }
- return Runtime.asmConstCache[code] = eval('(function(' + args.join(',') + '){ ' + code + ' })'); // new Function does not allow upvars in node- },
- warnOnce: function (text) {- if (!Runtime.warnOnce.shown) Runtime.warnOnce.shown = {};- if (!Runtime.warnOnce.shown[text]) {- Runtime.warnOnce.shown[text] = 1;
- Module.printErr(text);
- }
- },
- funcWrappers: {},- getFuncWrapper: function (func, sig) {- assert(sig);
- if (!Runtime.funcWrappers[func]) {- Runtime.funcWrappers[func] = function dynCall_wrapper() {- return Runtime.dynCall(sig, func, arguments);
- };
- }
- return Runtime.funcWrappers[func];
- },
- UTF8Processor: function () {- var buffer = [];
- var needed = 0;
- this.processCChar = function (code) {- code = code & 0xFF;
-
- if (buffer.length == 0) {- if ((code & 0x80) == 0x00) { // 0xxxxxxx- return String.fromCharCode(code);
- }
- buffer.push(code);
- if ((code & 0xE0) == 0xC0) { // 110xxxxx- needed = 1;
- } else if ((code & 0xF0) == 0xE0) { // 1110xxxx- needed = 2;
- } else { // 11110xxx- needed = 3;
- }
- return '';
- }
-
- if (needed) {- buffer.push(code);
- needed--;
- if (needed > 0) return '';
- }
-
- var c1 = buffer[0];
- var c2 = buffer[1];
- var c3 = buffer[2];
- var c4 = buffer[3];
- var ret;
- if (buffer.length == 2) {- ret = String.fromCharCode(((c1 & 0x1F) << 6) | (c2 & 0x3F));
- } else if (buffer.length == 3) {- ret = String.fromCharCode(((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F));
- } else {- // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
- var codePoint = ((c1 & 0x07) << 18) | ((c2 & 0x3F) << 12) |
- ((c3 & 0x3F) << 6) | (c4 & 0x3F);
- ret = String.fromCharCode(
- Math.floor((codePoint - 0x10000) / 0x400) + 0xD800,
- (codePoint - 0x10000) % 0x400 + 0xDC00);
- }
- buffer.length = 0;
- return ret;
- }
- this.processJSString = function processJSString(string) {- string = unescape(encodeURIComponent(string));
- var ret = [];
- for (var i = 0; i < string.length; i++) {- ret.push(string.charCodeAt(i));
- }
- return ret;
- }
- },
- getCompilerSetting: function (name) {- throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for Runtime.getCompilerSetting or emscripten_get_compiler_setting to work';
- },
- stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|0;STACKTOP = (((STACKTOP)+7)&-8); return ret; },- staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + size)|0;STATICTOP = (((STATICTOP)+7)&-8); return ret; },- dynamicAlloc: function (size) { var ret = DYNAMICTOP;DYNAMICTOP = (DYNAMICTOP + size)|0;DYNAMICTOP = (((DYNAMICTOP)+7)&-8); if (DYNAMICTOP >= TOTAL_MEMORY) enlargeMemory();; return ret; },- alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quantum ? quantum : 8))*(quantum ? quantum : 8); return ret; },- makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? ((+((low>>>0)))+((+((high>>>0)))*(+4294967296))) : ((+((low>>>0)))+((+((high|0)))*(+4294967296)))); return ret; },- GLOBAL_BASE: 8,
- QUANTUM_SIZE: 4,
- __dummy__: 0
-}
-
-
-Module['Runtime'] = Runtime;
-
-
-
-
-
-
-
-
-
-//========================================
-// Runtime essentials
-//========================================
-
-var __THREW__ = 0; // Used in checking for thrown exceptions.
-
-var ABORT = false; // whether we are quitting the application. no code should run after this. set in exit() and abort()
-var EXITSTATUS = 0;
-
-var undef = 0;
-// tempInt is used for 32-bit signed values or smaller. tempBigInt is used
-// for 32-bit unsigned values or more than 32 bits. TODO: audit all uses of tempInt
-var tempValue, tempInt, tempBigInt, tempInt2, tempBigInt2, tempPair, tempBigIntI, tempBigIntR, tempBigIntS, tempBigIntP, tempBigIntD, tempDouble, tempFloat;
-var tempI64, tempI64b;
-var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRet7, tempRet8, tempRet9;
-
-function assert(condition, text) {- if (!condition) {- abort('Assertion failed: ' + text);- }
-}
-
-var globalScope = this;
-
-// C calling interface. A convenient way to call C functions (in C files, or
-// defined with extern "C").
-//
-// Note: LLVM optimizations can inline and remove functions, after which you will not be
-// able to call them. Closure can also do so. To avoid that, add your function to
-// the exports using something like
-//
-// -s EXPORTED_FUNCTIONS='["_main", "_myfunc"]'
-//
-// @param ident The name of the C function (note that C++ functions will be name-mangled - use extern "C")
-// @param returnType The return type of the function, one of the JS types 'number', 'string' or 'array' (use 'number' for any C pointer, and
-// 'array' for JavaScript arrays and typed arrays; note that arrays are 8-bit).
-// @param argTypes An array of the types of arguments for the function (if there are no arguments, this can be ommitted). Types are as in returnType,
-// except that 'array' is not possible (there is no way for us to know the length of the array)
-// @param args An array of the arguments to the function, as native JS values (as in returnType)
-// Note that string arguments will be stored on the stack (the JS string will become a C string on the stack).
-// @return The return value, as a native JS value (as in returnType)
-function ccall(ident, returnType, argTypes, args) {- return ccallFunc(getCFunc(ident), returnType, argTypes, args);
-}
-Module["ccall"] = ccall;
-
-// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
-function getCFunc(ident) {- try {- var func = Module['_' + ident]; // closure exported function
- if (!func) func = eval('_' + ident); // explicit lookup- } catch(e) {- }
- assert(func, 'Cannot call unknown function ' + ident + ' (perhaps LLVM optimizations or closure removed it?)');
- return func;
-}
-
-// Internal function that does a C call using a function, not an identifier
-function ccallFunc(func, returnType, argTypes, args) {- var stack = 0;
- function toC(value, type) {- if (type == 'string') {- if (value === null || value === undefined || value === 0) return 0; // null string
- value = intArrayFromString(value);
- type = 'array';
- }
- if (type == 'array') {- if (!stack) stack = Runtime.stackSave();
- var ret = Runtime.stackAlloc(value.length);
- writeArrayToMemory(value, ret);
- return ret;
- }
- return value;
- }
- function fromC(value, type) {- if (type == 'string') {- return Pointer_stringify(value);
- }
- assert(type != 'array');
- return value;
- }
- var i = 0;
- var cArgs = args ? args.map(function(arg) {- return toC(arg, argTypes[i++]);
- }) : [];
- var ret = fromC(func.apply(null, cArgs), returnType);
- if (stack) Runtime.stackRestore(stack);
- return ret;
-}
-
-// Returns a native JS wrapper for a C function. This is similar to ccall, but
-// returns a function you can call repeatedly in a normal way. For example:
-//
-// var my_function = cwrap('my_c_function', 'number', ['number', 'number']);-// alert(my_function(5, 22));
-// alert(my_function(99, 12));
-//
-function cwrap(ident, returnType, argTypes) {- var func = getCFunc(ident);
- return function() {- return ccallFunc(func, returnType, argTypes, Array.prototype.slice.call(arguments));
- }
-}
-Module["cwrap"] = cwrap;
-
-// Sets a value in memory in a dynamic way at run-time. Uses the
-// type data. This is the same as makeSetValue, except that
-// makeSetValue is done at compile-time and generates the needed
-// code then, whereas this function picks the right code at
-// run-time.
-// Note that setValue and getValue only do *aligned* writes and reads!
-// Note that ccall uses JS types as for defining types, while setValue and
-// getValue need LLVM types ('i8', 'i32') - this is a lower-level operation-function setValue(ptr, value, type, noSafe) {- type = type || 'i8';
- if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
- switch(type) {- case 'i1': HEAP8[(ptr)]=value; break;
- case 'i8': HEAP8[(ptr)]=value; break;
- case 'i16': HEAP16[((ptr)>>1)]=value; break;
- case 'i32': HEAP32[((ptr)>>2)]=value; break;
- case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= (+1) ? (tempDouble > (+0) ? ((Math_min((+(Math_floor((tempDouble)/(+4294967296)))), (+4294967295)))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/(+4294967296))))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
- case 'float': HEAPF32[((ptr)>>2)]=value; break;
- case 'double': HEAPF64[((ptr)>>3)]=value; break;
- default: abort('invalid type for setValue: ' + type);- }
-}
-Module['setValue'] = setValue;
-
-// Parallel to setValue.
-function getValue(ptr, type, noSafe) {- type = type || 'i8';
- if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
- switch(type) {- case 'i1': return HEAP8[(ptr)];
- case 'i8': return HEAP8[(ptr)];
- case 'i16': return HEAP16[((ptr)>>1)];
- case 'i32': return HEAP32[((ptr)>>2)];
- case 'i64': return HEAP32[((ptr)>>2)];
- case 'float': return HEAPF32[((ptr)>>2)];
- case 'double': return HEAPF64[((ptr)>>3)];
- default: abort('invalid type for setValue: ' + type);- }
- return null;
-}
-Module['getValue'] = getValue;
-
-var ALLOC_NORMAL = 0; // Tries to use _malloc()
-var ALLOC_STACK = 1; // Lives for the duration of the current function call
-var ALLOC_STATIC = 2; // Cannot be freed
-var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk
-var ALLOC_NONE = 4; // Do not allocate
-Module['ALLOC_NORMAL'] = ALLOC_NORMAL;
-Module['ALLOC_STACK'] = ALLOC_STACK;
-Module['ALLOC_STATIC'] = ALLOC_STATIC;
-Module['ALLOC_DYNAMIC'] = ALLOC_DYNAMIC;
-Module['ALLOC_NONE'] = ALLOC_NONE;
-
-// allocate(): This is for internal use. You can use it yourself as well, but the interface
-// is a little tricky (see docs right below). The reason is that it is optimized
-// for multiple syntaxes to save space in generated code. So you should
-// normally not use allocate(), and instead allocate memory using _malloc(),
-// initialize it with setValue(), and so forth.
-// @slab: An array of data, or a number. If a number, then the size of the block to allocate,
-// in *bytes* (note that this is sometimes confusing: the next parameter does not
-// affect this!)
-// @types: Either an array of types, one for each byte (or 0 if no type at that position),
-// or a single type which is used for the entire block. This only matters if there
-// is initial data - if @slab is a number, then this does not matter at all and is
-// ignored.
-// @allocator: How to allocate memory, see ALLOC_*
-function allocate(slab, types, allocator, ptr) {- var zeroinit, size;
- if (typeof slab === 'number') {- zeroinit = true;
- size = slab;
- } else {- zeroinit = false;
- size = slab.length;
- }
-
- var singleType = typeof types === 'string' ? types : null;
-
- var ret;
- if (allocator == ALLOC_NONE) {- ret = ptr;
- } else {- ret = [_malloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length));
- }
-
- if (zeroinit) {- var ptr = ret, stop;
- assert((ret & 3) == 0);
- stop = ret + (size & ~3);
- for (; ptr < stop; ptr += 4) {- HEAP32[((ptr)>>2)]=0;
- }
- stop = ret + size;
- while (ptr < stop) {- HEAP8[((ptr++)|0)]=0;
- }
- return ret;
- }
-
- if (singleType === 'i8') {- if (slab.subarray || slab.slice) {- HEAPU8.set(slab, ret);
- } else {- HEAPU8.set(new Uint8Array(slab), ret);
- }
- return ret;
- }
-
- var i = 0, type, typeSize, previousType;
- while (i < size) {- var curr = slab[i];
-
- if (typeof curr === 'function') {- curr = Runtime.getFunctionIndex(curr);
- }
-
- type = singleType || types[i];
- if (type === 0) {- i++;
- continue;
- }
-
- if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
-
- setValue(ret+i, curr, type);
-
- // no need to look up size unless type changes, so cache it
- if (previousType !== type) {- typeSize = Runtime.getNativeTypeSize(type);
- previousType = type;
- }
- i += typeSize;
- }
-
- return ret;
-}
-Module['allocate'] = allocate;
-
-function Pointer_stringify(ptr, /* optional */ length) {- // TODO: use TextDecoder
- // Find the length, and check for UTF while doing so
- var hasUtf = false;
- var t;
- var i = 0;
- while (1) {- t = HEAPU8[(((ptr)+(i))|0)];
- if (t >= 128) hasUtf = true;
- else if (t == 0 && !length) break;
- i++;
- if (length && i == length) break;
- }
- if (!length) length = i;
-
- var ret = '';
-
- if (!hasUtf) {- var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
- var curr;
- while (length > 0) {- curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
- ret = ret ? ret + curr : curr;
- ptr += MAX_CHUNK;
- length -= MAX_CHUNK;
- }
- return ret;
- }
-
- var utf8 = new Runtime.UTF8Processor();
- for (i = 0; i < length; i++) {- t = HEAPU8[(((ptr)+(i))|0)];
- ret += utf8.processCChar(t);
- }
- return ret;
-}
-Module['Pointer_stringify'] = Pointer_stringify;
-
-// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
-// a copy of that string as a Javascript String object.
-function UTF16ToString(ptr) {- var i = 0;
-
- var str = '';
- while (1) {- var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
- if (codeUnit == 0)
- return str;
- ++i;
- // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
- str += String.fromCharCode(codeUnit);
- }
-}
-Module['UTF16ToString'] = UTF16ToString;
-
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
-// null-terminated and encoded in UTF16LE form. The copy will require at most (str.length*2+1)*2 bytes of space in the HEAP.
-function stringToUTF16(str, outPtr) {- for(var i = 0; i < str.length; ++i) {- // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
- var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
- HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit;
- }
- // Null-terminate the pointer to the HEAP.
- HEAP16[(((outPtr)+(str.length*2))>>1)]=0;
-}
-Module['stringToUTF16'] = stringToUTF16;
-
-// Given a pointer 'ptr' to a null-terminated UTF32LE-encoded string in the emscripten HEAP, returns
-// a copy of that string as a Javascript String object.
-function UTF32ToString(ptr) {- var i = 0;
-
- var str = '';
- while (1) {- var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
- if (utf32 == 0)
- return str;
- ++i;
- // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
- if (utf32 >= 0x10000) {- var ch = utf32 - 0x10000;
- str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
- } else {- str += String.fromCharCode(utf32);
- }
- }
-}
-Module['UTF32ToString'] = UTF32ToString;
-
-// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
-// null-terminated and encoded in UTF32LE form. The copy will require at most (str.length+1)*4 bytes of space in the HEAP,
-// but can use less, since str.length does not return the number of characters in the string, but the number of UTF-16 code units in the string.
-function stringToUTF32(str, outPtr) {- var iChar = 0;
- for(var iCodeUnit = 0; iCodeUnit < str.length; ++iCodeUnit) {- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
- var codeUnit = str.charCodeAt(iCodeUnit); // possibly a lead surrogate
- if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {- var trailSurrogate = str.charCodeAt(++iCodeUnit);
- codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
- }
- HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit;
- ++iChar;
- }
- // Null-terminate the pointer to the HEAP.
- HEAP32[(((outPtr)+(iChar*4))>>2)]=0;
-}
-Module['stringToUTF32'] = stringToUTF32;
-
-function demangle(func) {- var i = 3;
- // params, etc.
- var basicTypes = {- 'v': 'void',
- 'b': 'bool',
- 'c': 'char',
- 's': 'short',
- 'i': 'int',
- 'l': 'long',
- 'f': 'float',
- 'd': 'double',
- 'w': 'wchar_t',
- 'a': 'signed char',
- 'h': 'unsigned char',
- 't': 'unsigned short',
- 'j': 'unsigned int',
- 'm': 'unsigned long',
- 'x': 'long long',
- 'y': 'unsigned long long',
- 'z': '...'
- };
- var subs = [];
- var first = true;
- function dump(x) {- //return;
- if (x) Module.print(x);
- Module.print(func);
- var pre = '';
- for (var a = 0; a < i; a++) pre += ' ';
- Module.print (pre + '^');
- }
- function parseNested() {- i++;
- if (func[i] === 'K') i++; // ignore const
- var parts = [];
- while (func[i] !== 'E') {- if (func[i] === 'S') { // substitution- i++;
- var next = func.indexOf('_', i);- var num = func.substring(i, next) || 0;
- parts.push(subs[num] || '?');
- i = next+1;
- continue;
- }
- if (func[i] === 'C') { // constructor- parts.push(parts[parts.length-1]);
- i += 2;
- continue;
- }
- var size = parseInt(func.substr(i));
- var pre = size.toString().length;
- if (!size || !pre) { i--; break; } // counter i++ below us- var curr = func.substr(i + pre, size);
- parts.push(curr);
- subs.push(curr);
- i += pre + size;
- }
- i++; // skip E
- return parts;
- }
- function parse(rawList, limit, allowVoid) { // main parser- limit = limit || Infinity;
- var ret = '', list = [];
- function flushList() {- return '(' + list.join(', ') + ')';- }
- var name;
- if (func[i] === 'N') {- // namespaced N-E
- name = parseNested().join('::');- limit--;
- if (limit === 0) return rawList ? [name] : name;
- } else {- // not namespaced
- if (func[i] === 'K' || (first && func[i] === 'L')) i++; // ignore const and first 'L'
- var size = parseInt(func.substr(i));
- if (size) {- var pre = size.toString().length;
- name = func.substr(i + pre, size);
- i += pre + size;
- }
- }
- first = false;
- if (func[i] === 'I') {- i++;
- var iList = parse(true);
- var iRet = parse(true, 1, true);
- ret += iRet[0] + ' ' + name + '<' + iList.join(', ') + '>';- } else {- ret = name;
- }
- paramLoop: while (i < func.length && limit-- > 0) {- //dump('paramLoop');- var c = func[i++];
- if (c in basicTypes) {- list.push(basicTypes[c]);
- } else {- switch (c) {- case 'P': list.push(parse(true, 1, true)[0] + '*'); break; // pointer
- case 'R': list.push(parse(true, 1, true)[0] + '&'); break; // reference
- case 'L': { // literal- i++; // skip basic type
- var end = func.indexOf('E', i);- var size = end - i;
- list.push(func.substr(i, size));
- i += size + 2; // size + 'EE'
- break;
- }
- case 'A': { // array- var size = parseInt(func.substr(i));
- i += size.toString().length;
- if (func[i] !== '_') throw '?';
- i++; // skip _
- list.push(parse(true, 1, true)[0] + ' [' + size + ']');
- break;
- }
- case 'E': break paramLoop;
- default: ret += '?' + c; break paramLoop;
- }
- }
- }
- if (!allowVoid && list.length === 1 && list[0] === 'void') list = []; // avoid (void)
- return rawList ? list : ret + flushList();
- }
- try {- // Special-case the entry point, since its name differs from other name mangling.
- if (func == 'Object._main' || func == '_main') {- return 'main()';
- }
- if (typeof func === 'number') func = Pointer_stringify(func);
- if (func[0] !== '_') return func;
- if (func[1] !== '_') return func; // C function
- if (func[2] !== 'Z') return func;
- switch (func[3]) {- case 'n': return 'operator new()';
- case 'd': return 'operator delete()';
- }
- return parse();
- } catch(e) {- return func;
- }
-}
-
-function demangleAll(text) {- return text.replace(/__Z[\w\d_]+/g, function(x) { var y = demangle(x); return x === y ? x : (x + ' [' + y + ']') });-}
-
-function stackTrace() {- var stack = new Error().stack;
- return stack ? demangleAll(stack) : '(no stack trace available)'; // Stack trace is not available at least on IE10 and Safari 6.
-}
-
-// Memory management
-
-var PAGE_SIZE = 4096;
-function alignMemoryPage(x) {- return (x+4095)&-4096;
-}
-
-var HEAP;
-var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
-
-var STATIC_BASE = 0, STATICTOP = 0, staticSealed = false; // static area
-var STACK_BASE = 0, STACKTOP = 0, STACK_MAX = 0; // stack area
-var DYNAMIC_BASE = 0, DYNAMICTOP = 0; // dynamic area handled by sbrk
-
-function enlargeMemory() {- abort('Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value ' + TOTAL_MEMORY + ', (2) compile with ALLOW_MEMORY_GROWTH which adjusts the size at runtime but prevents some optimizations, or (3) set Module.TOTAL_MEMORY before the program runs.');-}
-
-var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
-var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 268435456;
-var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152;
-
-var totalMemory = 4096;
-while (totalMemory < TOTAL_MEMORY || totalMemory < 2*TOTAL_STACK) {- if (totalMemory < 16*1024*1024) {- totalMemory *= 2;
- } else {- totalMemory += 16*1024*1024
- }
-}
-if (totalMemory !== TOTAL_MEMORY) {- Module.printErr('increasing TOTAL_MEMORY to ' + totalMemory + ' to be more reasonable');- TOTAL_MEMORY = totalMemory;
-}
-
-// Initialize the runtime's memory
-// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
-assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined' && !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']),
- 'JS engine does not provide full typed array support');
-
-var buffer = new ArrayBuffer(TOTAL_MEMORY);
-HEAP8 = new Int8Array(buffer);
-HEAP16 = new Int16Array(buffer);
-HEAP32 = new Int32Array(buffer);
-HEAPU8 = new Uint8Array(buffer);
-HEAPU16 = new Uint16Array(buffer);
-HEAPU32 = new Uint32Array(buffer);
-HEAPF32 = new Float32Array(buffer);
-HEAPF64 = new Float64Array(buffer);
-
-// Endianness check (note: assumes compiler arch was little-endian)
-HEAP32[0] = 255;
-assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a little-endian system');
-
-Module['HEAP'] = HEAP;
-Module['HEAP8'] = HEAP8;
-Module['HEAP16'] = HEAP16;
-Module['HEAP32'] = HEAP32;
-Module['HEAPU8'] = HEAPU8;
-Module['HEAPU16'] = HEAPU16;
-Module['HEAPU32'] = HEAPU32;
-Module['HEAPF32'] = HEAPF32;
-Module['HEAPF64'] = HEAPF64;
-
-function callRuntimeCallbacks(callbacks) {- while(callbacks.length > 0) {- var callback = callbacks.shift();
- if (typeof callback == 'function') {- callback();
- continue;
- }
- var func = callback.func;
- if (typeof func === 'number') {- if (callback.arg === undefined) {- Runtime.dynCall('v', func);- } else {- Runtime.dynCall('vi', func, [callback.arg]);- }
- } else {- func(callback.arg === undefined ? null : callback.arg);
- }
- }
-}
-
-var __ATPRERUN__ = []; // functions called before the runtime is initialized
-var __ATINIT__ = []; // functions called during startup
-var __ATMAIN__ = []; // functions called when main() is to be run
-var __ATEXIT__ = []; // functions called during shutdown
-var __ATPOSTRUN__ = []; // functions called after the runtime has exited
-
-var runtimeInitialized = false;
-
-function preRun() {- // compatibility - merge in anything from Module['preRun'] at this time
- if (Module['preRun']) {- if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
- while (Module['preRun'].length) {- addOnPreRun(Module['preRun'].shift());
- }
- }
- callRuntimeCallbacks(__ATPRERUN__);
-}
-
-function ensureInitRuntime() {- if (runtimeInitialized) return;
- runtimeInitialized = true;
- callRuntimeCallbacks(__ATINIT__);
-}
-
-function preMain() {- callRuntimeCallbacks(__ATMAIN__);
-}
-
-function exitRuntime() {- callRuntimeCallbacks(__ATEXIT__);
-}
-
-function postRun() {- // compatibility - merge in anything from Module['postRun'] at this time
- if (Module['postRun']) {- if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
- while (Module['postRun'].length) {- addOnPostRun(Module['postRun'].shift());
- }
- }
- callRuntimeCallbacks(__ATPOSTRUN__);
-}
-
-function addOnPreRun(cb) {- __ATPRERUN__.unshift(cb);
-}
-Module['addOnPreRun'] = Module.addOnPreRun = addOnPreRun;
-
-function addOnInit(cb) {- __ATINIT__.unshift(cb);
-}
-Module['addOnInit'] = Module.addOnInit = addOnInit;
-
-function addOnPreMain(cb) {- __ATMAIN__.unshift(cb);
-}
-Module['addOnPreMain'] = Module.addOnPreMain = addOnPreMain;
-
-function addOnExit(cb) {- __ATEXIT__.unshift(cb);
-}
-Module['addOnExit'] = Module.addOnExit = addOnExit;
-
-function addOnPostRun(cb) {- __ATPOSTRUN__.unshift(cb);
-}
-Module['addOnPostRun'] = Module.addOnPostRun = addOnPostRun;
-
-// Tools
-
-// This processes a JS string into a C-line array of numbers, 0-terminated.
-// For LLVM-originating strings, see parser.js:parseLLVMString function
-function intArrayFromString(stringy, dontAddNull, length /* optional */) {- var ret = (new Runtime.UTF8Processor()).processJSString(stringy);
- if (length) {- ret.length = length;
- }
- if (!dontAddNull) {- ret.push(0);
- }
- return ret;
-}
-Module['intArrayFromString'] = intArrayFromString;
-
-function intArrayToString(array) {- var ret = [];
- for (var i = 0; i < array.length; i++) {- var chr = array[i];
- if (chr > 0xFF) {- chr &= 0xFF;
- }
- ret.push(String.fromCharCode(chr));
- }
- return ret.join('');-}
-Module['intArrayToString'] = intArrayToString;
-
-// Write a Javascript array to somewhere in the heap
-function writeStringToMemory(string, buffer, dontAddNull) {- var array = intArrayFromString(string, dontAddNull);
- var i = 0;
- while (i < array.length) {- var chr = array[i];
- HEAP8[(((buffer)+(i))|0)]=chr;
- i = i + 1;
- }
-}
-Module['writeStringToMemory'] = writeStringToMemory;
-
-function writeArrayToMemory(array, buffer) {- for (var i = 0; i < array.length; i++) {- HEAP8[(((buffer)+(i))|0)]=array[i];
- }
-}
-Module['writeArrayToMemory'] = writeArrayToMemory;
-
-function writeAsciiToMemory(str, buffer, dontAddNull) {- for (var i = 0; i < str.length; i++) {- HEAP8[(((buffer)+(i))|0)]=str.charCodeAt(i);
- }
- if (!dontAddNull) HEAP8[(((buffer)+(str.length))|0)]=0;
-}
-Module['writeAsciiToMemory'] = writeAsciiToMemory;
-
-function unSign(value, bits, ignore) {- if (value >= 0) {- return value;
- }
- return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
- : Math.pow(2, bits) + value;
-}
-function reSign(value, bits, ignore) {- if (value <= 0) {- return value;
- }
- var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
- : Math.pow(2, bits-1);
- if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that- // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
- // TODO: In i64 mode 1, resign the two parts separately and safely
- value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
- }
- return value;
-}
-
-// check for imul support, and also for correctness ( https://bugs.webkit.org/show_bug.cgi?id=126345 )
-if (!Math['imul'] || Math['imul'](0xffffffff, 5) !== -5) Math['imul'] = function imul(a, b) {- var ah = a >>> 16;
- var al = a & 0xffff;
- var bh = b >>> 16;
- var bl = b & 0xffff;
- return (al*bl + ((ah*bl + al*bh) << 16))|0;
-};
-Math.imul = Math['imul'];
-
-
-var Math_abs = Math.abs;
-var Math_cos = Math.cos;
-var Math_sin = Math.sin;
-var Math_tan = Math.tan;
-var Math_acos = Math.acos;
-var Math_asin = Math.asin;
-var Math_atan = Math.atan;
-var Math_atan2 = Math.atan2;
-var Math_exp = Math.exp;
-var Math_log = Math.log;
-var Math_sqrt = Math.sqrt;
-var Math_ceil = Math.ceil;
-var Math_floor = Math.floor;
-var Math_pow = Math.pow;
-var Math_imul = Math.imul;
-var Math_fround = Math.fround;
-var Math_min = Math.min;
-
-// A counter of dependencies for calling run(). If we need to
-// do asynchronous work before running, increment this and
-// decrement it. Incrementing must happen in a place like
-// PRE_RUN_ADDITIONS (used by emcc to add file preloading).
-// Note that you can add dependencies in preRun, even though
-// it happens right before run - run will be postponed until
-// the dependencies are met.
-var runDependencies = 0;
-var runDependencyWatcher = null;
-var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
-
-function addRunDependency(id) {- runDependencies++;
- if (Module['monitorRunDependencies']) {- Module['monitorRunDependencies'](runDependencies);
- }
-}
-Module['addRunDependency'] = addRunDependency;
-function removeRunDependency(id) {- runDependencies--;
- if (Module['monitorRunDependencies']) {- Module['monitorRunDependencies'](runDependencies);
- }
- if (runDependencies == 0) {- if (runDependencyWatcher !== null) {- clearInterval(runDependencyWatcher);
- runDependencyWatcher = null;
- }
- if (dependenciesFulfilled) {- var callback = dependenciesFulfilled;
- dependenciesFulfilled = null;
- callback(); // can add another dependenciesFulfilled
- }
- }
-}
-Module['removeRunDependency'] = removeRunDependency;
-
-Module["preloadedImages"] = {}; // maps url to image data-Module["preloadedAudios"] = {}; // maps url to audio data-
-
-var memoryInitializer = null;
-
-// === Body ===
-
-
-
-
-
-STATIC_BASE = 8;
-
-STATICTOP = STATIC_BASE + Runtime.alignMemory(9235);
-/* global initializers */ __ATINIT__.push();
-
-
-/* memory initializer */ allocate([17,1,0,0,0,0,0,0,34,18,1,1,0,0,0,0,50,34,18,2,0,0,0,0,67,51,34,34,18,18,2,2,83,67,51,35,18,18,2,2,19,35,67,51,99,83,2,2,0,0,101,85,68,68,52,52,35,35,35,35,19,19,19,19,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,249,233,217,200,200,184,184,167,167,167,167,151,151,151,151,134,134,134,134,134,134,134,134,118,118,118,118,118,118,118,118,230,214,198,182,165,165,149,149,132,132,132,132,116,116,116,116,100,100,100,100,84,84,84,84,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,19,19,19,19,19,19,19,19,3,3,3,3,3,3,3,3,214,182,197,197,165,165,149,149,132,132,132,132,84,84,84,84,68,68,68,68,4,4,4,4,115,115,115,115,115,115,115,115,99,99,99,99,99,99,99,99,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,19,19,19,19,19,19,19,19,197,181,165,5,148,148,116,116,52,52,36,36,131,131,131,131,99,99,99,99,83,83,83,83,67,67,67,67,19,19,19,19,181,149,164,164,132,132,36,36,20,20,4,4,115,115,115,115,99,99,99,99,83,83,83,83,67,67,67,67,51,51,51,51,166,6,21,21,132,132,132,132,147,147,147,147,147,147,147,147,115,115,115,115,115,115,115,115,99,99,99,99,99,99,99,99,83,83,83,83,83,83,83,83,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,150,6,21,21,116,116,116,116,131,131,131,131,131,131,131,131,99,99,99,99,99,99,99,99,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,134,6,37,37,20,20,20,20,115,115,115,115,115,115,115,115,99,99,99,99,99,99,99,99,51,51,51,51,51,51,51,51,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,22,6,117,117,36,36,36,36,83,83,83,83,83,83,83,83,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,21,5,100,100,35,35,35,35,82,82,82,82,82,82,82,82,66,66,66,66,66,66,66,66,50,50,50,50,50,50,50,50,4,20,35,35,51,51,83,83,65,65,65,65,65,65,65,65,4,20,67,67,34,34,34,34,49,49,49,49,49,49,49,49,3,19,50,50,33,33,33,33,2,18,33,33,0,0,0,0,0,0,0,0,0,0,102,32,38,16,6,8,101,24,101,24,67,16,67,16,67,16,67,16,67,16,67,16,67,16,67,16,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,34,8,0,0,0,0,0,0,0,0,106,64,74,48,42,40,10,32,105,56,105,56,73,40,73,40,41,32,41,32,9,24,9,24,104,48,104,48,104,48,104,48,72,32,72,32,72,32,72,32,40,24,40,24,40,24,40,24,8,16,8,16,8,16,8,16,103,40,103,40,103,40,103,40,103,40,103,40,103,40,103,40,71,24,71,24,71,24,71,24,71,24,71,24,71,24,71,24,110,96,78,88,46,80,14,80,110,88,78,80,46,72,14,72,13,64,13,64,77,72,77,72,45,64,45,64,13,56,13,56,109,80,109,80,77,64,77,64,45,56,45,56,13,48,13,48,107,72,107,72,107,72,107,72,107,72,107,72,107,72,107,72,75,56,75,56,75,56,75,56,75,56,75,56,75,56,75,56,43,48,43,48,43,48,43,48,43,48,43,48,43,48,43,48,11,40,11,40,11,40,11,40,11,40,11,40,11,40,11,40,0,0,0,0,47,104,47,104,16,128,80,128,48,128,16,120,112,128,80,120,48,120,16,112,112,120,80,112,48,112,16,104,111,112,111,112,79,104,79,104,47,96,47,96,15,96,15,96,111,104,111,104,79,96,79,96,47,88,47,88,15,88,15,88,0,0,0,0,0,0,0,0,102,56,70,32,38,32,6,16,102,48,70,24,38,24,6,8,101,40,101,40,37,16,37,16,100,32,100,32,100,32,100,32,100,24,100,24,100,24,100,24,67,16,67,16,67,16,67,16,67,16,67,16,67,16,67,16,0,0,0,0,0,0,0,0,105,72,73,56,41,56,9,48,8,40,8,40,72,48,72,48,40,48,40,48,8,32,8,32,103,64,103,64,103,64,103,64,71,40,71,40,71,40,71,40,39,40,39,40,39,40,39,40,7,24,7,24,7,24,7,24,0,0,0,0,109,120,109,120,110,128,78,128,46,128,14,128,46,120,14,120,78,120,46,112,77,112,77,112,13,112,13,112,109,112,109,112,77,104,77,104,45,104,45,104,13,104,13,104,109,104,109,104,77,96,77,96,45,96,45,96,13,96,13,96,12,88,12,88,12,88,12,88,76,88,76,88,76,88,76,88,44,88,44,88,44,88,44,88,12,80,12,80,12,80,12,80,108,96,108,96,108,96,108,96,76,80,76,80,76,80,76,80,44,80,44,80,44,80,44,80,12,72,12,72,12,72,12,72,107,88,107,88,107,88,107,88,107,88,107,88,107,88,107,88,75,72,75,72,75,72,75,72,75,72,75,72,75,72,75,72,43,72,43,72,43,72,43,72,43,72,43,72,43,72,43,72,11,64,11,64,11,64,11,64,11,64,11,64,11,64,11,64,107,80,107,80,107,80,107,80,107,80,107,80,107,80,107,80,75,64
\ No newline at end of file
-
-
-
-
-var tempDoublePtr = Runtime.alignMemory(allocate(12, "i8", ALLOC_STATIC), 8);
-
-assert(tempDoublePtr % 8 == 0);
-
-function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much-
- HEAP8[tempDoublePtr] = HEAP8[ptr];
-
- HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
-
- HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
-
- HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
-
-}
-
-function copyTempDouble(ptr) {-
- HEAP8[tempDoublePtr] = HEAP8[ptr];
-
- HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
-
- HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
-
- HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
-
- HEAP8[tempDoublePtr+4] = HEAP8[ptr+4];
-
- HEAP8[tempDoublePtr+5] = HEAP8[ptr+5];
-
- HEAP8[tempDoublePtr+6] = HEAP8[ptr+6];
-
- HEAP8[tempDoublePtr+7] = HEAP8[ptr+7];
-
-}
-
-
- function _llvm_lifetime_end() {}-
-
-
- var ___errno_state=0;function ___setErrNo(value) {- // For convenient setting and returning of errno.
- HEAP32[((___errno_state)>>2)]=value;
- return value;
- }
-
- var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};function _sysconf(name) {- // long sysconf(int name);
- // http://pubs.opengroup.org/onlinepubs/009695399/functions/sysconf.html
- switch(name) {- case 30: return PAGE_SIZE;
- case 132:
- case 133:
- case 12:
- case 137:
- case 138:
- case 15:
- case 235:
- case 16:
- case 17:
- case 18:
- case 19:
- case 20:
- case 149:
- case 13:
- case 10:
- case 236:
- case 153:
- case 9:
- case 21:
- case 22:
- case 159:
- case 154:
- case 14:
- case 77:
- case 78:
- case 139:
- case 80:
- case 81:
- case 79:
- case 82:
- case 68:
- case 67:
- case 164:
- case 11:
- case 29:
- case 47:
- case 48:
- case 95:
- case 52:
- case 51:
- case 46:
- return 200809;
- case 27:
- case 246:
- case 127:
- case 128:
- case 23:
- case 24:
- case 160:
- case 161:
- case 181:
- case 182:
- case 242:
- case 183:
- case 184:
- case 243:
- case 244:
- case 245:
- case 165:
- case 178:
- case 179:
- case 49:
- case 50:
- case 168:
- case 169:
- case 175:
- case 170:
- case 171:
- case 172:
- case 97:
- case 76:
- case 32:
- case 173:
- case 35:
- return -1;
- case 176:
- case 177:
- case 7:
- case 155:
- case 8:
- case 157:
- case 125:
- case 126:
- case 92:
- case 93:
- case 129:
- case 130:
- case 131:
- case 94:
- case 91:
- return 1;
- case 74:
- case 60:
- case 69:
- case 70:
- case 4:
- return 1024;
- case 31:
- case 42:
- case 72:
- return 32;
- case 87:
- case 26:
- case 33:
- return 2147483647;
- case 34:
- case 1:
- return 47839;
- case 38:
- case 36:
- return 99;
- case 43:
- case 37:
- return 2048;
- case 0: return 2097152;
- case 3: return 65536;
- case 28: return 32768;
- case 44: return 32767;
- case 75: return 16384;
- case 39: return 1000;
- case 89: return 700;
- case 71: return 256;
- case 40: return 255;
- case 2: return 100;
- case 180: return 64;
- case 25: return 20;
- case 5: return 16;
- case 6: return 6;
- case 73: return 4;
- case 84: return 1;
- }
- ___setErrNo(ERRNO_CODES.EINVAL);
- return -1;
- }
-
-
- Module["_memset"] = _memset;
-
- var _llvm_memset_p0i8_i32=_memset;
-
- function _abort() {- Module['abort']();
- }
-
-
-
-
- var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported",96:"Protocol family not supported",97:"Address family not supported by protocol family",98:"Address already in use",99:"Address not available",100:"Network interface is not configured",101:"Network is unreachable",102:"Connection reset by network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer space available",106:"Socket is already connected",107:"Socket is not connected",108:"Can't send after socket shutdown",109:"Too many references",110:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"};-
- var PATH={splitPath:function (filename) {- var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;- return splitPathRe.exec(filename).slice(1);
- },normalizeArray:function (parts, allowAboveRoot) {- // if the path tries to go above the root, `up` ends up > 0
- var up = 0;
- for (var i = parts.length - 1; i >= 0; i--) {- var last = parts[i];
- if (last === '.') {- parts.splice(i, 1);
- } else if (last === '..') {- parts.splice(i, 1);
- up++;
- } else if (up) {- parts.splice(i, 1);
- up--;
- }
- }
- // if the path is allowed to go above the root, restore leading ..s
- if (allowAboveRoot) {- for (; up--; up) {- parts.unshift('..');- }
- }
- return parts;
- },normalize:function (path) {- var isAbsolute = path.charAt(0) === '/',
- trailingSlash = path.substr(-1) === '/';
- // Normalize the path
- path = PATH.normalizeArray(path.split('/').filter(function(p) {- return !!p;
- }), !isAbsolute).join('/');- if (!path && !isAbsolute) {- path = '.';
- }
- if (path && trailingSlash) {- path += '/';
- }
- return (isAbsolute ? '/' : '') + path;
- },dirname:function (path) {- var result = PATH.splitPath(path),
- root = result[0],
- dir = result[1];
- if (!root && !dir) {- // No dirname whatsoever
- return '.';
- }
- if (dir) {- // It has a dirname, strip trailing slash
- dir = dir.substr(0, dir.length - 1);
- }
- return root + dir;
- },basename:function (path) {- // EMSCRIPTEN return '/'' for '/', not an empty string
- if (path === '/') return '/';
- var lastSlash = path.lastIndexOf('/');- if (lastSlash === -1) return path;
- return path.substr(lastSlash+1);
- },extname:function (path) {- return PATH.splitPath(path)[3];
- },join:function () {- var paths = Array.prototype.slice.call(arguments, 0);
- return PATH.normalize(paths.join('/'));- },join2:function (l, r) {- return PATH.normalize(l + '/' + r);
- },resolve:function () {- var resolvedPath = '',
- resolvedAbsolute = false;
- for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {- var path = (i >= 0) ? arguments[i] : FS.cwd();
- // Skip empty and invalid entries
- if (typeof path !== 'string') {- throw new TypeError('Arguments to path.resolve must be strings');- } else if (!path) {- continue;
- }
- resolvedPath = path + '/' + resolvedPath;
- resolvedAbsolute = path.charAt(0) === '/';
- }
- // At this point the path should be resolved to a full absolute path, but
- // handle relative paths to be safe (might happen when process.cwd() fails)
- resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {- return !!p;
- }), !resolvedAbsolute).join('/');- return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
- },relative:function (from, to) {- from = PATH.resolve(from).substr(1);
- to = PATH.resolve(to).substr(1);
- function trim(arr) {- var start = 0;
- for (; start < arr.length; start++) {- if (arr[start] !== '') break;
- }
- var end = arr.length - 1;
- for (; end >= 0; end--) {- if (arr[end] !== '') break;
- }
- if (start > end) return [];
- return arr.slice(start, end - start + 1);
- }
- var fromParts = trim(from.split('/'));- var toParts = trim(to.split('/'));- var length = Math.min(fromParts.length, toParts.length);
- var samePartsLength = length;
- for (var i = 0; i < length; i++) {- if (fromParts[i] !== toParts[i]) {- samePartsLength = i;
- break;
- }
- }
- var outputParts = [];
- for (var i = samePartsLength; i < fromParts.length; i++) {- outputParts.push('..');- }
- outputParts = outputParts.concat(toParts.slice(samePartsLength));
- return outputParts.join('/');- }};
-
- var TTY={ttys:[],init:function () {- // https://github.com/kripken/emscripten/pull/1555
- // if (ENVIRONMENT_IS_NODE) {- // // currently, FS.init does not distinguish if process.stdin is a file or TTY
- // // device, it always assumes it's a TTY device. because of this, we're forcing
- // // process.stdin to UTF8 encoding to at least make stdin reading compatible
- // // with text files until FS.init can be refactored.
- // process['stdin']['setEncoding']('utf8');- // }
- },shutdown:function () {- // https://github.com/kripken/emscripten/pull/1555
- // if (ENVIRONMENT_IS_NODE) {- // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
- // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
- // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
- // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
- // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
- // process['stdin']['pause']();
- // }
- },register:function (dev, ops) {- TTY.ttys[dev] = { input: [], output: [], ops: ops };- FS.registerDevice(dev, TTY.stream_ops);
- },stream_ops:{open:function (stream) {- var tty = TTY.ttys[stream.node.rdev];
- if (!tty) {- throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
- }
- stream.tty = tty;
- stream.seekable = false;
- },close:function (stream) {- // flush any pending line data
- if (stream.tty.output.length) {- stream.tty.ops.put_char(stream.tty, 10);
- }
- },read:function (stream, buffer, offset, length, pos /* ignored */) {- if (!stream.tty || !stream.tty.ops.get_char) {- throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
- }
- var bytesRead = 0;
- for (var i = 0; i < length; i++) {- var result;
- try {- result = stream.tty.ops.get_char(stream.tty);
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- if (result === undefined && bytesRead === 0) {- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- if (result === null || result === undefined) break;
- bytesRead++;
- buffer[offset+i] = result;
- }
- if (bytesRead) {- stream.node.timestamp = Date.now();
- }
- return bytesRead;
- },write:function (stream, buffer, offset, length, pos) {- if (!stream.tty || !stream.tty.ops.put_char) {- throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
- }
- for (var i = 0; i < length; i++) {- try {- stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- }
- if (length) {- stream.node.timestamp = Date.now();
- }
- return i;
- }},default_tty_ops:{get_char:function (tty) {- if (!tty.input.length) {- var result = null;
- if (ENVIRONMENT_IS_NODE) {- result = process['stdin']['read']();
- if (!result) {- if (process['stdin']['_readableState'] && process['stdin']['_readableState']['ended']) {- return null; // EOF
- }
- return undefined; // no data available
- }
- } else if (typeof window != 'undefined' &&
- typeof window.prompt == 'function') {- // Browser.
- result = window.prompt('Input: '); // returns null on cancel- if (result !== null) {- result += '\n';
- }
- } else if (typeof readline == 'function') {- // Command line.
- result = readline();
- if (result !== null) {- result += '\n';
- }
- }
- if (!result) {- return null;
- }
- tty.input = intArrayFromString(result, true);
- }
- return tty.input.shift();
- },put_char:function (tty, val) {- if (val === null || val === 10) {- Module['print'](tty.output.join(''));- tty.output = [];
- } else {- tty.output.push(TTY.utf8.processCChar(val));
- }
- }},default_tty1_ops:{put_char:function (tty, val) {- if (val === null || val === 10) {- Module['printErr'](tty.output.join(''));- tty.output = [];
- } else {- tty.output.push(TTY.utf8.processCChar(val));
- }
- }}};
-
- var MEMFS={ops_table:null,CONTENT_OWNING:1,CONTENT_FLEXIBLE:2,CONTENT_FIXED:3,mount:function (mount) {- return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
- },createNode:function (parent, name, mode, dev) {- if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {- // no supported
- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (!MEMFS.ops_table) {- MEMFS.ops_table = {- dir: {- node: {- getattr: MEMFS.node_ops.getattr,
- setattr: MEMFS.node_ops.setattr,
- lookup: MEMFS.node_ops.lookup,
- mknod: MEMFS.node_ops.mknod,
- rename: MEMFS.node_ops.rename,
- unlink: MEMFS.node_ops.unlink,
- rmdir: MEMFS.node_ops.rmdir,
- readdir: MEMFS.node_ops.readdir,
- symlink: MEMFS.node_ops.symlink
- },
- stream: {- llseek: MEMFS.stream_ops.llseek
- }
- },
- file: {- node: {- getattr: MEMFS.node_ops.getattr,
- setattr: MEMFS.node_ops.setattr
- },
- stream: {- llseek: MEMFS.stream_ops.llseek,
- read: MEMFS.stream_ops.read,
- write: MEMFS.stream_ops.write,
- allocate: MEMFS.stream_ops.allocate,
- mmap: MEMFS.stream_ops.mmap
- }
- },
- link: {- node: {- getattr: MEMFS.node_ops.getattr,
- setattr: MEMFS.node_ops.setattr,
- readlink: MEMFS.node_ops.readlink
- },
- stream: {}- },
- chrdev: {- node: {- getattr: MEMFS.node_ops.getattr,
- setattr: MEMFS.node_ops.setattr
- },
- stream: FS.chrdev_stream_ops
- },
- };
- }
- var node = FS.createNode(parent, name, mode, dev);
- if (FS.isDir(node.mode)) {- node.node_ops = MEMFS.ops_table.dir.node;
- node.stream_ops = MEMFS.ops_table.dir.stream;
- node.contents = {};- } else if (FS.isFile(node.mode)) {- node.node_ops = MEMFS.ops_table.file.node;
- node.stream_ops = MEMFS.ops_table.file.stream;
- node.contents = [];
- node.contentMode = MEMFS.CONTENT_FLEXIBLE;
- } else if (FS.isLink(node.mode)) {- node.node_ops = MEMFS.ops_table.link.node;
- node.stream_ops = MEMFS.ops_table.link.stream;
- } else if (FS.isChrdev(node.mode)) {- node.node_ops = MEMFS.ops_table.chrdev.node;
- node.stream_ops = MEMFS.ops_table.chrdev.stream;
- }
- node.timestamp = Date.now();
- // add the new node to the parent
- if (parent) {- parent.contents[name] = node;
- }
- return node;
- },ensureFlexible:function (node) {- if (node.contentMode !== MEMFS.CONTENT_FLEXIBLE) {- var contents = node.contents;
- node.contents = Array.prototype.slice.call(contents);
- node.contentMode = MEMFS.CONTENT_FLEXIBLE;
- }
- },node_ops:{getattr:function (node) {- var attr = {};- // device numbers reuse inode numbers.
- attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
- attr.ino = node.id;
- attr.mode = node.mode;
- attr.nlink = 1;
- attr.uid = 0;
- attr.gid = 0;
- attr.rdev = node.rdev;
- if (FS.isDir(node.mode)) {- attr.size = 4096;
- } else if (FS.isFile(node.mode)) {- attr.size = node.contents.length;
- } else if (FS.isLink(node.mode)) {- attr.size = node.link.length;
- } else {- attr.size = 0;
- }
- attr.atime = new Date(node.timestamp);
- attr.mtime = new Date(node.timestamp);
- attr.ctime = new Date(node.timestamp);
- // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
- // but this is not required by the standard.
- attr.blksize = 4096;
- attr.blocks = Math.ceil(attr.size / attr.blksize);
- return attr;
- },setattr:function (node, attr) {- if (attr.mode !== undefined) {- node.mode = attr.mode;
- }
- if (attr.timestamp !== undefined) {- node.timestamp = attr.timestamp;
- }
- if (attr.size !== undefined) {- MEMFS.ensureFlexible(node);
- var contents = node.contents;
- if (attr.size < contents.length) contents.length = attr.size;
- else while (attr.size > contents.length) contents.push(0);
- }
- },lookup:function (parent, name) {- throw FS.genericErrors[ERRNO_CODES.ENOENT];
- },mknod:function (parent, name, mode, dev) {- return MEMFS.createNode(parent, name, mode, dev);
- },rename:function (old_node, new_dir, new_name) {- // if we're overwriting a directory at new_name, make sure it's empty.
- if (FS.isDir(old_node.mode)) {- var new_node;
- try {- new_node = FS.lookupNode(new_dir, new_name);
- } catch (e) {- }
- if (new_node) {- for (var i in new_node.contents) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
- }
- }
- }
- // do the internal rewiring
- delete old_node.parent.contents[old_node.name];
- old_node.name = new_name;
- new_dir.contents[new_name] = old_node;
- old_node.parent = new_dir;
- },unlink:function (parent, name) {- delete parent.contents[name];
- },rmdir:function (parent, name) {- var node = FS.lookupNode(parent, name);
- for (var i in node.contents) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
- }
- delete parent.contents[name];
- },readdir:function (node) {- var entries = ['.', '..']
- for (var key in node.contents) {- if (!node.contents.hasOwnProperty(key)) {- continue;
- }
- entries.push(key);
- }
- return entries;
- },symlink:function (parent, newname, oldpath) {- var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
- node.link = oldpath;
- return node;
- },readlink:function (node) {- if (!FS.isLink(node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- return node.link;
- }},stream_ops:{read:function (stream, buffer, offset, length, position) {- var contents = stream.node.contents;
- if (position >= contents.length)
- return 0;
- var size = Math.min(contents.length - position, length);
- assert(size >= 0);
- if (size > 8 && contents.subarray) { // non-trivial, and typed array- buffer.set(contents.subarray(position, position + size), offset);
- } else
- {- for (var i = 0; i < size; i++) {- buffer[offset + i] = contents[position + i];
- }
- }
- return size;
- },write:function (stream, buffer, offset, length, position, canOwn) {- var node = stream.node;
- node.timestamp = Date.now();
- var contents = node.contents;
- if (length && contents.length === 0 && position === 0 && buffer.subarray) {- // just replace it with the new data
- if (canOwn && offset === 0) {- node.contents = buffer; // this could be a subarray of Emscripten HEAP, or allocated from some other source.
- node.contentMode = (buffer.buffer === HEAP8.buffer) ? MEMFS.CONTENT_OWNING : MEMFS.CONTENT_FIXED;
- } else {- node.contents = new Uint8Array(buffer.subarray(offset, offset+length));
- node.contentMode = MEMFS.CONTENT_FIXED;
- }
- return length;
- }
- MEMFS.ensureFlexible(node);
- var contents = node.contents;
- while (contents.length < position) contents.push(0);
- for (var i = 0; i < length; i++) {- contents[position + i] = buffer[offset + i];
- }
- return length;
- },llseek:function (stream, offset, whence) {- var position = offset;
- if (whence === 1) { // SEEK_CUR.- position += stream.position;
- } else if (whence === 2) { // SEEK_END.- if (FS.isFile(stream.node.mode)) {- position += stream.node.contents.length;
- }
- }
- if (position < 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- stream.ungotten = [];
- stream.position = position;
- return position;
- },allocate:function (stream, offset, length) {- MEMFS.ensureFlexible(stream.node);
- var contents = stream.node.contents;
- var limit = offset + length;
- while (limit > contents.length) contents.push(0);
- },mmap:function (stream, buffer, offset, length, position, prot, flags) {- if (!FS.isFile(stream.node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
- }
- var ptr;
- var allocated;
- var contents = stream.node.contents;
- // Only make a new copy when MAP_PRIVATE is specified.
- if ( !(flags & 2) &&
- (contents.buffer === buffer || contents.buffer === buffer.buffer) ) {- // We can't emulate MAP_SHARED when the file is not backed by the buffer
- // we're mapping to (e.g. the HEAP buffer).
- allocated = false;
- ptr = contents.byteOffset;
- } else {- // Try to avoid unnecessary slices.
- if (position > 0 || position + length < contents.length) {- if (contents.subarray) {- contents = contents.subarray(position, position + length);
- } else {- contents = Array.prototype.slice.call(contents, position, position + length);
- }
- }
- allocated = true;
- ptr = _malloc(length);
- if (!ptr) {- throw new FS.ErrnoError(ERRNO_CODES.ENOMEM);
- }
- buffer.set(contents, ptr);
- }
- return { ptr: ptr, allocated: allocated };- }}};
-
- var IDBFS={dbs:{},indexedDB:function () {- return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
- },DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:function (mount) {- // reuse all of the core MEMFS functionality
- return MEMFS.mount.apply(null, arguments);
- },syncfs:function (mount, populate, callback) {- IDBFS.getLocalSet(mount, function(err, local) {- if (err) return callback(err);
-
- IDBFS.getRemoteSet(mount, function(err, remote) {- if (err) return callback(err);
-
- var src = populate ? remote : local;
- var dst = populate ? local : remote;
-
- IDBFS.reconcile(src, dst, callback);
- });
- });
- },getDB:function (name, callback) {- // check the cache first
- var db = IDBFS.dbs[name];
- if (db) {- return callback(null, db);
- }
-
- var req;
- try {- req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
- } catch (e) {- return callback(e);
- }
- req.onupgradeneeded = function(e) {- var db = e.target.result;
- var transaction = e.target.transaction;
-
- var fileStore;
-
- if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {- fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
- } else {- fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
- }
-
- fileStore.createIndex('timestamp', 'timestamp', { unique: false });- };
- req.onsuccess = function() {- db = req.result;
-
- // add to the cache
- IDBFS.dbs[name] = db;
- callback(null, db);
- };
- req.onerror = function() {- callback(this.error);
- };
- },getLocalSet:function (mount, callback) {- var entries = {};-
- function isRealDir(p) {- return p !== '.' && p !== '..';
- };
- function toAbsolute(root) {- return function(p) {- return PATH.join2(root, p);
- }
- };
-
- var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
-
- while (check.length) {- var path = check.pop();
- var stat;
-
- try {- stat = FS.stat(path);
- } catch (e) {- return callback(e);
- }
-
- if (FS.isDir(stat.mode)) {- check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
- }
-
- entries[path] = { timestamp: stat.mtime };- }
-
- return callback(null, { type: 'local', entries: entries });- },getRemoteSet:function (mount, callback) {- var entries = {};-
- IDBFS.getDB(mount.mountpoint, function(err, db) {- if (err) return callback(err);
-
- var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly');
- transaction.onerror = function() { callback(this.error); };-
- var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
- var index = store.index('timestamp');-
- index.openKeyCursor().onsuccess = function(event) {- var cursor = event.target.result;
-
- if (!cursor) {- return callback(null, { type: 'remote', db: db, entries: entries });- }
-
- entries[cursor.primaryKey] = { timestamp: cursor.key };-
- cursor.continue();
- };
- });
- },loadLocalEntry:function (path, callback) {- var stat, node;
-
- try {- var lookup = FS.lookupPath(path);
- node = lookup.node;
- stat = FS.stat(path);
- } catch (e) {- return callback(e);
- }
-
- if (FS.isDir(stat.mode)) {- return callback(null, { timestamp: stat.mtime, mode: stat.mode });- } else if (FS.isFile(stat.mode)) {- return callback(null, { timestamp: stat.mtime, mode: stat.mode, contents: node.contents });- } else {- return callback(new Error('node type not supported'));- }
- },storeLocalEntry:function (path, entry, callback) {- try {- if (FS.isDir(entry.mode)) {- FS.mkdir(path, entry.mode);
- } else if (FS.isFile(entry.mode)) {- FS.writeFile(path, entry.contents, { encoding: 'binary', canOwn: true });- } else {- return callback(new Error('node type not supported'));- }
-
- FS.utime(path, entry.timestamp, entry.timestamp);
- } catch (e) {- return callback(e);
- }
-
- callback(null);
- },removeLocalEntry:function (path, callback) {- try {- var lookup = FS.lookupPath(path);
- var stat = FS.stat(path);
-
- if (FS.isDir(stat.mode)) {- FS.rmdir(path);
- } else if (FS.isFile(stat.mode)) {- FS.unlink(path);
- }
- } catch (e) {- return callback(e);
- }
-
- callback(null);
- },loadRemoteEntry:function (store, path, callback) {- var req = store.get(path);
- req.onsuccess = function(event) { callback(null, event.target.result); };- req.onerror = function() { callback(this.error); };- },storeRemoteEntry:function (store, path, entry, callback) {- var req = store.put(entry, path);
- req.onsuccess = function() { callback(null); };- req.onerror = function() { callback(this.error); };- },removeRemoteEntry:function (store, path, callback) {- var req = store.delete(path);
- req.onsuccess = function() { callback(null); };- req.onerror = function() { callback(this.error); };- },reconcile:function (src, dst, callback) {- var total = 0;
-
- var create = [];
- Object.keys(src.entries).forEach(function (key) {- var e = src.entries[key];
- var e2 = dst.entries[key];
- if (!e2 || e.timestamp > e2.timestamp) {- create.push(key);
- total++;
- }
- });
-
- var remove = [];
- Object.keys(dst.entries).forEach(function (key) {- var e = dst.entries[key];
- var e2 = src.entries[key];
- if (!e2) {- remove.push(key);
- total++;
- }
- });
-
- if (!total) {- return callback(null);
- }
-
- var errored = false;
- var completed = 0;
- var db = src.type === 'remote' ? src.db : dst.db;
- var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite');
- var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
-
- function done(err) {- if (err) {- if (!done.errored) {- done.errored = true;
- return callback(err);
- }
- return;
- }
- if (++completed >= total) {- return callback(null);
- }
- };
-
- transaction.onerror = function() { done(this.error); };-
- // sort paths in ascending order so directory entries are created
- // before the files inside them
- create.sort().forEach(function (path) {- if (dst.type === 'local') {- IDBFS.loadRemoteEntry(store, path, function (err, entry) {- if (err) return done(err);
- IDBFS.storeLocalEntry(path, entry, done);
- });
- } else {- IDBFS.loadLocalEntry(path, function (err, entry) {- if (err) return done(err);
- IDBFS.storeRemoteEntry(store, path, entry, done);
- });
- }
- });
-
- // sort paths in descending order so files are deleted before their
- // parent directories
- remove.sort().reverse().forEach(function(path) {- if (dst.type === 'local') {- IDBFS.removeLocalEntry(path, done);
- } else {- IDBFS.removeRemoteEntry(store, path, done);
- }
- });
- }};
-
- var NODEFS={isWindows:false,staticInit:function () {- NODEFS.isWindows = !!process.platform.match(/^win/);
- },mount:function (mount) {- assert(ENVIRONMENT_IS_NODE);
- return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0);
- },createNode:function (parent, name, mode, dev) {- if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var node = FS.createNode(parent, name, mode);
- node.node_ops = NODEFS.node_ops;
- node.stream_ops = NODEFS.stream_ops;
- return node;
- },getMode:function (path) {- var stat;
- try {- stat = fs.lstatSync(path);
- if (NODEFS.isWindows) {- // On Windows, directories return permission bits 'rw-rw-rw-', even though they have 'rwxrwxrwx', so
- // propagate write bits to execute bits.
- stat.mode = stat.mode | ((stat.mode & 146) >> 1);
- }
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- return stat.mode;
- },realPath:function (node) {- var parts = [];
- while (node.parent !== node) {- parts.push(node.name);
- node = node.parent;
- }
- parts.push(node.mount.opts.root);
- parts.reverse();
- return PATH.join.apply(null, parts);
- },flagsToPermissionStringMap:{0:"r",1:"r+",2:"r+",64:"r",65:"r+",66:"r+",129:"rx+",193:"rx+",514:"w+",577:"w",578:"w+",705:"wx",706:"wx+",1024:"a",1025:"a",1026:"a+",1089:"a",1090:"a+",1153:"ax",1154:"ax+",1217:"ax",1218:"ax+",4096:"rs",4098:"rs+"},flagsToPermissionString:function (flags) {- if (flags in NODEFS.flagsToPermissionStringMap) {- return NODEFS.flagsToPermissionStringMap[flags];
- } else {- return flags;
- }
- },node_ops:{getattr:function (node) {- var path = NODEFS.realPath(node);
- var stat;
- try {- stat = fs.lstatSync(path);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake them with default blksize of 4096.
- // See http://support.microsoft.com/kb/140365
- if (NODEFS.isWindows && !stat.blksize) {- stat.blksize = 4096;
- }
- if (NODEFS.isWindows && !stat.blocks) {- stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0;
- }
- return {- dev: stat.dev,
- ino: stat.ino,
- mode: stat.mode,
- nlink: stat.nlink,
- uid: stat.uid,
- gid: stat.gid,
- rdev: stat.rdev,
- size: stat.size,
- atime: stat.atime,
- mtime: stat.mtime,
- ctime: stat.ctime,
- blksize: stat.blksize,
- blocks: stat.blocks
- };
- },setattr:function (node, attr) {- var path = NODEFS.realPath(node);
- try {- if (attr.mode !== undefined) {- fs.chmodSync(path, attr.mode);
- // update the common node structure mode as well
- node.mode = attr.mode;
- }
- if (attr.timestamp !== undefined) {- var date = new Date(attr.timestamp);
- fs.utimesSync(path, date, date);
- }
- if (attr.size !== undefined) {- fs.truncateSync(path, attr.size);
- }
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },lookup:function (parent, name) {- var path = PATH.join2(NODEFS.realPath(parent), name);
- var mode = NODEFS.getMode(path);
- return NODEFS.createNode(parent, name, mode);
- },mknod:function (parent, name, mode, dev) {- var node = NODEFS.createNode(parent, name, mode, dev);
- // create the backing node for this in the fs root as well
- var path = NODEFS.realPath(node);
- try {- if (FS.isDir(node.mode)) {- fs.mkdirSync(path, node.mode);
- } else {- fs.writeFileSync(path, '', { mode: node.mode });- }
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- return node;
- },rename:function (oldNode, newDir, newName) {- var oldPath = NODEFS.realPath(oldNode);
- var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
- try {- fs.renameSync(oldPath, newPath);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },unlink:function (parent, name) {- var path = PATH.join2(NODEFS.realPath(parent), name);
- try {- fs.unlinkSync(path);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },rmdir:function (parent, name) {- var path = PATH.join2(NODEFS.realPath(parent), name);
- try {- fs.rmdirSync(path);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },readdir:function (node) {- var path = NODEFS.realPath(node);
- try {- return fs.readdirSync(path);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },symlink:function (parent, newName, oldPath) {- var newPath = PATH.join2(NODEFS.realPath(parent), newName);
- try {- fs.symlinkSync(oldPath, newPath);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },readlink:function (node) {- var path = NODEFS.realPath(node);
- try {- return fs.readlinkSync(path);
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- }},stream_ops:{open:function (stream) {- var path = NODEFS.realPath(stream.node);
- try {- if (FS.isFile(stream.node.mode)) {- stream.nfd = fs.openSync(path, NODEFS.flagsToPermissionString(stream.flags));
- }
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },close:function (stream) {- try {- if (FS.isFile(stream.node.mode) && stream.nfd) {- fs.closeSync(stream.nfd);
- }
- } catch (e) {- if (!e.code) throw e;
- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- },read:function (stream, buffer, offset, length, position) {- // FIXME this is terrible.
- var nbuffer = new Buffer(length);
- var res;
- try {- res = fs.readSync(stream.nfd, nbuffer, 0, length, position);
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- if (res > 0) {- for (var i = 0; i < res; i++) {- buffer[offset + i] = nbuffer[i];
- }
- }
- return res;
- },write:function (stream, buffer, offset, length, position) {- // FIXME this is terrible.
- var nbuffer = new Buffer(buffer.subarray(offset, offset + length));
- var res;
- try {- res = fs.writeSync(stream.nfd, nbuffer, 0, length, position);
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- return res;
- },llseek:function (stream, offset, whence) {- var position = offset;
- if (whence === 1) { // SEEK_CUR.- position += stream.position;
- } else if (whence === 2) { // SEEK_END.- if (FS.isFile(stream.node.mode)) {- try {- var stat = fs.fstatSync(stream.nfd);
- position += stat.size;
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES[e.code]);
- }
- }
- }
-
- if (position < 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
-
- stream.position = position;
- return position;
- }}};
-
- var _stdin=allocate(1, "i32*", ALLOC_STATIC);
-
- var _stdout=allocate(1, "i32*", ALLOC_STATIC);
-
- var _stderr=allocate(1, "i32*", ALLOC_STATIC);
-
- function _fflush(stream) {- // int fflush(FILE *stream);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/fflush.html
- // we don't currently perform any user-space buffering of data
- }var FS={root:null,mounts:[],devices:[null],streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},handleFSError:function (e) {- if (!(e instanceof FS.ErrnoError)) throw e + ' : ' + stackTrace();
- return ___setErrNo(e.errno);
- },lookupPath:function (path, opts) {- path = PATH.resolve(FS.cwd(), path);
- opts = opts || {};-
- var defaults = {- follow_mount: true,
- recurse_count: 0
- };
- for (var key in defaults) {- if (opts[key] === undefined) {- opts[key] = defaults[key];
- }
- }
-
- if (opts.recurse_count > 8) { // max recursive lookup of 8- throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
- }
-
- // split the path
- var parts = PATH.normalizeArray(path.split('/').filter(function(p) {- return !!p;
- }), false);
-
- // start at the root
- var current = FS.root;
- var current_path = '/';
-
- for (var i = 0; i < parts.length; i++) {- var islast = (i === parts.length-1);
- if (islast && opts.parent) {- // stop resolving
- break;
- }
-
- current = FS.lookupNode(current, parts[i]);
- current_path = PATH.join2(current_path, parts[i]);
-
- // jump to the mount's root node if this is a mountpoint
- if (FS.isMountpoint(current)) {- if (!islast || (islast && opts.follow_mount)) {- current = current.mounted.root;
- }
- }
-
- // by default, lookupPath will not follow a symlink if it is the final path component.
- // setting opts.follow = true will override this behavior.
- if (!islast || opts.follow) {- var count = 0;
- while (FS.isLink(current.mode)) {- var link = FS.readlink(current_path);
- current_path = PATH.resolve(PATH.dirname(current_path), link);
-
- var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count });- current = lookup.node;
-
- if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).- throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
- }
- }
- }
- }
-
- return { path: current_path, node: current };- },getPath:function (node) {- var path;
- while (true) {- if (FS.isRoot(node)) {- var mount = node.mount.mountpoint;
- if (!path) return mount;
- return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path;
- }
- path = path ? node.name + '/' + path : node.name;
- node = node.parent;
- }
- },hashName:function (parentid, name) {- var hash = 0;
-
-
- for (var i = 0; i < name.length; i++) {- hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
- }
- return ((parentid + hash) >>> 0) % FS.nameTable.length;
- },hashAddNode:function (node) {- var hash = FS.hashName(node.parent.id, node.name);
- node.name_next = FS.nameTable[hash];
- FS.nameTable[hash] = node;
- },hashRemoveNode:function (node) {- var hash = FS.hashName(node.parent.id, node.name);
- if (FS.nameTable[hash] === node) {- FS.nameTable[hash] = node.name_next;
- } else {- var current = FS.nameTable[hash];
- while (current) {- if (current.name_next === node) {- current.name_next = node.name_next;
- break;
- }
- current = current.name_next;
- }
- }
- },lookupNode:function (parent, name) {- var err = FS.mayLookup(parent);
- if (err) {- throw new FS.ErrnoError(err);
- }
- var hash = FS.hashName(parent.id, name);
- for (var node = FS.nameTable[hash]; node; node = node.name_next) {- var nodeName = node.name;
- if (node.parent.id === parent.id && nodeName === name) {- return node;
- }
- }
- // if we failed to find it in the cache, call into the VFS
- return FS.lookup(parent, name);
- },createNode:function (parent, name, mode, rdev) {- if (!FS.FSNode) {- FS.FSNode = function(parent, name, mode, rdev) {- if (!parent) {- parent = this; // root node sets parent to itself
- }
- this.parent = parent;
- this.mount = parent.mount;
- this.mounted = null;
- this.id = FS.nextInode++;
- this.name = name;
- this.mode = mode;
- this.node_ops = {};- this.stream_ops = {};- this.rdev = rdev;
- };
-
- FS.FSNode.prototype = {};-
- // compatibility
- var readMode = 292 | 73;
- var writeMode = 146;
-
- // NOTE we must use Object.defineProperties instead of individual calls to
- // Object.defineProperty in order to make closure compiler happy
- Object.defineProperties(FS.FSNode.prototype, {- read: {- get: function() { return (this.mode & readMode) === readMode; },- set: function(val) { val ? this.mode |= readMode : this.mode &= ~readMode; }- },
- write: {- get: function() { return (this.mode & writeMode) === writeMode; },- set: function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode; }- },
- isFolder: {- get: function() { return FS.isDir(this.mode); },- },
- isDevice: {- get: function() { return FS.isChrdev(this.mode); },- },
- });
- }
-
- var node = new FS.FSNode(parent, name, mode, rdev);
-
- FS.hashAddNode(node);
-
- return node;
- },destroyNode:function (node) {- FS.hashRemoveNode(node);
- },isRoot:function (node) {- return node === node.parent;
- },isMountpoint:function (node) {- return !!node.mounted;
- },isFile:function (mode) {- return (mode & 61440) === 32768;
- },isDir:function (mode) {- return (mode & 61440) === 16384;
- },isLink:function (mode) {- return (mode & 61440) === 40960;
- },isChrdev:function (mode) {- return (mode & 61440) === 8192;
- },isBlkdev:function (mode) {- return (mode & 61440) === 24576;
- },isFIFO:function (mode) {- return (mode & 61440) === 4096;
- },isSocket:function (mode) {- return (mode & 49152) === 49152;
- },flagModes:{"r":0,"rs":1052672,"r+":2,"w":577,"wx":705,"xw":705,"w+":578,"wx+":706,"xw+":706,"a":1089,"ax":1217,"xa":1217,"a+":1090,"ax+":1218,"xa+":1218},modeStringToFlags:function (str) {- var flags = FS.flagModes[str];
- if (typeof flags === 'undefined') {- throw new Error('Unknown file open mode: ' + str);- }
- return flags;
- },flagsToPermissionString:function (flag) {- var accmode = flag & 2097155;
- var perms = ['r', 'w', 'rw'][accmode];
- if ((flag & 512)) {- perms += 'w';
- }
- return perms;
- },nodePermissions:function (node, perms) {- if (FS.ignorePermissions) {- return 0;
- }
- // return 0 if any user, group or owner bits are set.
- if (perms.indexOf('r') !== -1 && !(node.mode & 292)) {- return ERRNO_CODES.EACCES;
- } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) {- return ERRNO_CODES.EACCES;
- } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) {- return ERRNO_CODES.EACCES;
- }
- return 0;
- },mayLookup:function (dir) {- return FS.nodePermissions(dir, 'x');
- },mayCreate:function (dir, name) {- try {- var node = FS.lookupNode(dir, name);
- return ERRNO_CODES.EEXIST;
- } catch (e) {- }
- return FS.nodePermissions(dir, 'wx');
- },mayDelete:function (dir, name, isdir) {- var node;
- try {- node = FS.lookupNode(dir, name);
- } catch (e) {- return e.errno;
- }
- var err = FS.nodePermissions(dir, 'wx');
- if (err) {- return err;
- }
- if (isdir) {- if (!FS.isDir(node.mode)) {- return ERRNO_CODES.ENOTDIR;
- }
- if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {- return ERRNO_CODES.EBUSY;
- }
- } else {- if (FS.isDir(node.mode)) {- return ERRNO_CODES.EISDIR;
- }
- }
- return 0;
- },mayOpen:function (node, flags) {- if (!node) {- return ERRNO_CODES.ENOENT;
- }
- if (FS.isLink(node.mode)) {- return ERRNO_CODES.ELOOP;
- } else if (FS.isDir(node.mode)) {- if ((flags & 2097155) !== 0 || // opening for write
- (flags & 512)) {- return ERRNO_CODES.EISDIR;
- }
- }
- return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
- },MAX_OPEN_FDS:4096,nextfd:function (fd_start, fd_end) {- fd_start = fd_start || 0;
- fd_end = fd_end || FS.MAX_OPEN_FDS;
- for (var fd = fd_start; fd <= fd_end; fd++) {- if (!FS.streams[fd]) {- return fd;
- }
- }
- throw new FS.ErrnoError(ERRNO_CODES.EMFILE);
- },getStream:function (fd) {- return FS.streams[fd];
- },createStream:function (stream, fd_start, fd_end) {- if (!FS.FSStream) {- FS.FSStream = function(){};- FS.FSStream.prototype = {};- // compatibility
- Object.defineProperties(FS.FSStream.prototype, {- object: {- get: function() { return this.node; },- set: function(val) { this.node = val; }- },
- isRead: {- get: function() { return (this.flags & 2097155) !== 1; }- },
- isWrite: {- get: function() { return (this.flags & 2097155) !== 0; }- },
- isAppend: {- get: function() { return (this.flags & 1024); }- }
- });
- }
- if (stream.__proto__) {- // reuse the object
- stream.__proto__ = FS.FSStream.prototype;
- } else {- var newStream = new FS.FSStream();
- for (var p in stream) {- newStream[p] = stream[p];
- }
- stream = newStream;
- }
- var fd = FS.nextfd(fd_start, fd_end);
- stream.fd = fd;
- FS.streams[fd] = stream;
- return stream;
- },closeStream:function (fd) {- FS.streams[fd] = null;
- },getStreamFromPtr:function (ptr) {- return FS.streams[ptr - 1];
- },getPtrForStream:function (stream) {- return stream ? stream.fd + 1 : 0;
- },chrdev_stream_ops:{open:function (stream) {- var device = FS.getDevice(stream.node.rdev);
- // override node's stream ops with the device's
- stream.stream_ops = device.stream_ops;
- // forward the open call
- if (stream.stream_ops.open) {- stream.stream_ops.open(stream);
- }
- },llseek:function () {- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }},major:function (dev) {- return ((dev) >> 8);
- },minor:function (dev) {- return ((dev) & 0xff);
- },makedev:function (ma, mi) {- return ((ma) << 8 | (mi));
- },registerDevice:function (dev, ops) {- FS.devices[dev] = { stream_ops: ops };- },getDevice:function (dev) {- return FS.devices[dev];
- },getMounts:function (mount) {- var mounts = [];
- var check = [mount];
-
- while (check.length) {- var m = check.pop();
-
- mounts.push(m);
-
- check.push.apply(check, m.mounts);
- }
-
- return mounts;
- },syncfs:function (populate, callback) {- if (typeof(populate) === 'function') {- callback = populate;
- populate = false;
- }
-
- var mounts = FS.getMounts(FS.root.mount);
- var completed = 0;
-
- function done(err) {- if (err) {- if (!done.errored) {- done.errored = true;
- return callback(err);
- }
- return;
- }
- if (++completed >= mounts.length) {- callback(null);
- }
- };
-
- // sync all mounts
- mounts.forEach(function (mount) {- if (!mount.type.syncfs) {- return done(null);
- }
- mount.type.syncfs(mount, populate, done);
- });
- },mount:function (type, opts, mountpoint) {- var root = mountpoint === '/';
- var pseudo = !mountpoint;
- var node;
-
- if (root && FS.root) {- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- } else if (!root && !pseudo) {- var lookup = FS.lookupPath(mountpoint, { follow_mount: false });-
- mountpoint = lookup.path; // use the absolute path
- node = lookup.node;
-
- if (FS.isMountpoint(node)) {- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
-
- if (!FS.isDir(node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
- }
- }
-
- var mount = {- type: type,
- opts: opts,
- mountpoint: mountpoint,
- mounts: []
- };
-
- // create a root node for the fs
- var mountRoot = type.mount(mount);
- mountRoot.mount = mount;
- mount.root = mountRoot;
-
- if (root) {- FS.root = mountRoot;
- } else if (node) {- // set as a mountpoint
- node.mounted = mount;
-
- // add the new mount to the current mount's children
- if (node.mount) {- node.mount.mounts.push(mount);
- }
- }
-
- return mountRoot;
- },unmount:function (mountpoint) {- var lookup = FS.lookupPath(mountpoint, { follow_mount: false });-
- if (!FS.isMountpoint(lookup.node)) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
-
- // destroy the nodes for this mount, and all its child mounts
- var node = lookup.node;
- var mount = node.mounted;
- var mounts = FS.getMounts(mount);
-
- Object.keys(FS.nameTable).forEach(function (hash) {- var current = FS.nameTable[hash];
-
- while (current) {- var next = current.name_next;
-
- if (mounts.indexOf(current.mount) !== -1) {- FS.destroyNode(current);
- }
-
- current = next;
- }
- });
-
- // no longer a mountpoint
- node.mounted = null;
-
- // remove this mount from the child mounts
- var idx = node.mount.mounts.indexOf(mount);
- assert(idx !== -1);
- node.mount.mounts.splice(idx, 1);
- },lookup:function (parent, name) {- return parent.node_ops.lookup(parent, name);
- },mknod:function (path, mode, dev) {- var lookup = FS.lookupPath(path, { parent: true });- var parent = lookup.node;
- var name = PATH.basename(path);
- var err = FS.mayCreate(parent, name);
- if (err) {- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.mknod) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- return parent.node_ops.mknod(parent, name, mode, dev);
- },create:function (path, mode) {- mode = mode !== undefined ? mode : 438 /* 0666 */;
- mode &= 4095;
- mode |= 32768;
- return FS.mknod(path, mode, 0);
- },mkdir:function (path, mode) {- mode = mode !== undefined ? mode : 511 /* 0777 */;
- mode &= 511 | 512;
- mode |= 16384;
- return FS.mknod(path, mode, 0);
- },mkdev:function (path, mode, dev) {- if (typeof(dev) === 'undefined') {- dev = mode;
- mode = 438 /* 0666 */;
- }
- mode |= 8192;
- return FS.mknod(path, mode, dev);
- },symlink:function (oldpath, newpath) {- var lookup = FS.lookupPath(newpath, { parent: true });- var parent = lookup.node;
- var newname = PATH.basename(newpath);
- var err = FS.mayCreate(parent, newname);
- if (err) {- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.symlink) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- return parent.node_ops.symlink(parent, newname, oldpath);
- },rename:function (old_path, new_path) {- var old_dirname = PATH.dirname(old_path);
- var new_dirname = PATH.dirname(new_path);
- var old_name = PATH.basename(old_path);
- var new_name = PATH.basename(new_path);
- // parents must exist
- var lookup, old_dir, new_dir;
- try {- lookup = FS.lookupPath(old_path, { parent: true });- old_dir = lookup.node;
- lookup = FS.lookupPath(new_path, { parent: true });- new_dir = lookup.node;
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- // need to be part of the same mount
- if (old_dir.mount !== new_dir.mount) {- throw new FS.ErrnoError(ERRNO_CODES.EXDEV);
- }
- // source must exist
- var old_node = FS.lookupNode(old_dir, old_name);
- // old path should not be an ancestor of the new path
- var relative = PATH.relative(old_path, new_dirname);
- if (relative.charAt(0) !== '.') {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- // new path should not be an ancestor of the old path
- relative = PATH.relative(new_path, old_dirname);
- if (relative.charAt(0) !== '.') {- throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
- }
- // see if the new path already exists
- var new_node;
- try {- new_node = FS.lookupNode(new_dir, new_name);
- } catch (e) {- // not fatal
- }
- // early out if nothing needs to change
- if (old_node === new_node) {- return;
- }
- // we'll need to delete the old entry
- var isdir = FS.isDir(old_node.mode);
- var err = FS.mayDelete(old_dir, old_name, isdir);
- if (err) {- throw new FS.ErrnoError(err);
- }
- // need delete permissions if we'll be overwriting.
- // need create permissions if new doesn't already exist.
- err = new_node ?
- FS.mayDelete(new_dir, new_name, isdir) :
- FS.mayCreate(new_dir, new_name);
- if (err) {- throw new FS.ErrnoError(err);
- }
- if (!old_dir.node_ops.rename) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- // if we are going to change the parent, check write permissions
- if (new_dir !== old_dir) {- err = FS.nodePermissions(old_dir, 'w');
- if (err) {- throw new FS.ErrnoError(err);
- }
- }
- // remove the node from the lookup hash
- FS.hashRemoveNode(old_node);
- // do the underlying fs rename
- try {- old_dir.node_ops.rename(old_node, new_dir, new_name);
- } catch (e) {- throw e;
- } finally {- // add the node back to the hash (in case node_ops.rename
- // changed its name)
- FS.hashAddNode(old_node);
- }
- },rmdir:function (path) {- var lookup = FS.lookupPath(path, { parent: true });- var parent = lookup.node;
- var name = PATH.basename(path);
- var node = FS.lookupNode(parent, name);
- var err = FS.mayDelete(parent, name, true);
- if (err) {- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.rmdir) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isMountpoint(node)) {- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- parent.node_ops.rmdir(parent, name);
- FS.destroyNode(node);
- },readdir:function (path) {- var lookup = FS.lookupPath(path, { follow: true });- var node = lookup.node;
- if (!node.node_ops.readdir) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
- }
- return node.node_ops.readdir(node);
- },unlink:function (path) {- var lookup = FS.lookupPath(path, { parent: true });- var parent = lookup.node;
- var name = PATH.basename(path);
- var node = FS.lookupNode(parent, name);
- var err = FS.mayDelete(parent, name, false);
- if (err) {- // POSIX says unlink should set EPERM, not EISDIR
- if (err === ERRNO_CODES.EISDIR) err = ERRNO_CODES.EPERM;
- throw new FS.ErrnoError(err);
- }
- if (!parent.node_ops.unlink) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isMountpoint(node)) {- throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
- }
- parent.node_ops.unlink(parent, name);
- FS.destroyNode(node);
- },readlink:function (path) {- var lookup = FS.lookupPath(path);
- var link = lookup.node;
- if (!link.node_ops.readlink) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- return link.node_ops.readlink(link);
- },stat:function (path, dontFollow) {- var lookup = FS.lookupPath(path, { follow: !dontFollow });- var node = lookup.node;
- if (!node.node_ops.getattr) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- return node.node_ops.getattr(node);
- },lstat:function (path) {- return FS.stat(path, true);
- },chmod:function (path, mode, dontFollow) {- var node;
- if (typeof path === 'string') {- var lookup = FS.lookupPath(path, { follow: !dontFollow });- node = lookup.node;
- } else {- node = path;
- }
- if (!node.node_ops.setattr) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- node.node_ops.setattr(node, {- mode: (mode & 4095) | (node.mode & ~4095),
- timestamp: Date.now()
- });
- },lchmod:function (path, mode) {- FS.chmod(path, mode, true);
- },fchmod:function (fd, mode) {- var stream = FS.getStream(fd);
- if (!stream) {- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- FS.chmod(stream.node, mode);
- },chown:function (path, uid, gid, dontFollow) {- var node;
- if (typeof path === 'string') {- var lookup = FS.lookupPath(path, { follow: !dontFollow });- node = lookup.node;
- } else {- node = path;
- }
- if (!node.node_ops.setattr) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- node.node_ops.setattr(node, {- timestamp: Date.now()
- // we ignore the uid / gid for now
- });
- },lchown:function (path, uid, gid) {- FS.chown(path, uid, gid, true);
- },fchown:function (fd, uid, gid) {- var stream = FS.getStream(fd);
- if (!stream) {- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- FS.chown(stream.node, uid, gid);
- },truncate:function (path, len) {- if (len < 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var node;
- if (typeof path === 'string') {- var lookup = FS.lookupPath(path, { follow: true });- node = lookup.node;
- } else {- node = path;
- }
- if (!node.node_ops.setattr) {- throw new FS.ErrnoError(ERRNO_CODES.EPERM);
- }
- if (FS.isDir(node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
- }
- if (!FS.isFile(node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var err = FS.nodePermissions(node, 'w');
- if (err) {- throw new FS.ErrnoError(err);
- }
- node.node_ops.setattr(node, {- size: len,
- timestamp: Date.now()
- });
- },ftruncate:function (fd, len) {- var stream = FS.getStream(fd);
- if (!stream) {- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if ((stream.flags & 2097155) === 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- FS.truncate(stream.node, len);
- },utime:function (path, atime, mtime) {- var lookup = FS.lookupPath(path, { follow: true });- var node = lookup.node;
- node.node_ops.setattr(node, {- timestamp: Math.max(atime, mtime)
- });
- },open:function (path, flags, mode, fd_start, fd_end) {- flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags;
- mode = typeof mode === 'undefined' ? 438 /* 0666 */ : mode;
- if ((flags & 64)) {- mode = (mode & 4095) | 32768;
- } else {- mode = 0;
- }
- var node;
- if (typeof path === 'object') {- node = path;
- } else {- path = PATH.normalize(path);
- try {- var lookup = FS.lookupPath(path, {- follow: !(flags & 131072)
- });
- node = lookup.node;
- } catch (e) {- // ignore
- }
- }
- // perhaps we need to create the node
- if ((flags & 64)) {- if (node) {- // if O_CREAT and O_EXCL are set, error out if the node already exists
- if ((flags & 128)) {- throw new FS.ErrnoError(ERRNO_CODES.EEXIST);
- }
- } else {- // node doesn't exist, try to create it
- node = FS.mknod(path, mode, 0);
- }
- }
- if (!node) {- throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
- }
- // can't truncate a device
- if (FS.isChrdev(node.mode)) {- flags &= ~512;
- }
- // check permissions
- var err = FS.mayOpen(node, flags);
- if (err) {- throw new FS.ErrnoError(err);
- }
- // do truncation if necessary
- if ((flags & 512)) {- FS.truncate(node, 0);
- }
- // we've already handled these, don't pass down to the underlying vfs
- flags &= ~(128 | 512);
-
- // register the stream with the filesystem
- var stream = FS.createStream({- node: node,
- path: FS.getPath(node), // we want the absolute path to the node
- flags: flags,
- seekable: true,
- position: 0,
- stream_ops: node.stream_ops,
- // used by the file family libc calls (fopen, fwrite, ferror, etc.)
- ungotten: [],
- error: false
- }, fd_start, fd_end);
- // call the new stream's open function
- if (stream.stream_ops.open) {- stream.stream_ops.open(stream);
- }
- if (Module['logReadFiles'] && !(flags & 1)) {- if (!FS.readFiles) FS.readFiles = {};- if (!(path in FS.readFiles)) {- FS.readFiles[path] = 1;
- Module['printErr']('read file: ' + path);- }
- }
- return stream;
- },close:function (stream) {- try {- if (stream.stream_ops.close) {- stream.stream_ops.close(stream);
- }
- } catch (e) {- throw e;
- } finally {- FS.closeStream(stream.fd);
- }
- },llseek:function (stream, offset, whence) {- if (!stream.seekable || !stream.stream_ops.llseek) {- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }
- return stream.stream_ops.llseek(stream, offset, whence);
- },read:function (stream, buffer, offset, length, position) {- if (length < 0 || position < 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- if ((stream.flags & 2097155) === 1) {- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (FS.isDir(stream.node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
- }
- if (!stream.stream_ops.read) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var seeking = true;
- if (typeof position === 'undefined') {- position = stream.position;
- seeking = false;
- } else if (!stream.seekable) {- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }
- var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
- if (!seeking) stream.position += bytesRead;
- return bytesRead;
- },write:function (stream, buffer, offset, length, position, canOwn) {- if (length < 0 || position < 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- if ((stream.flags & 2097155) === 0) {- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (FS.isDir(stream.node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
- }
- if (!stream.stream_ops.write) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var seeking = true;
- if (typeof position === 'undefined') {- position = stream.position;
- seeking = false;
- } else if (!stream.seekable) {- throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
- }
- if (stream.flags & 1024) {- // seek to the end before writing in append mode
- FS.llseek(stream, 0, 2);
- }
- var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
- if (!seeking) stream.position += bytesWritten;
- return bytesWritten;
- },allocate:function (stream, offset, length) {- if (offset < 0 || length <= 0) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- if ((stream.flags & 2097155) === 0) {- throw new FS.ErrnoError(ERRNO_CODES.EBADF);
- }
- if (!FS.isFile(stream.node.mode) && !FS.isDir(node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
- }
- if (!stream.stream_ops.allocate) {- throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
- }
- stream.stream_ops.allocate(stream, offset, length);
- },mmap:function (stream, buffer, offset, length, position, prot, flags) {- // TODO if PROT is PROT_WRITE, make sure we have write access
- if ((stream.flags & 2097155) === 1) {- throw new FS.ErrnoError(ERRNO_CODES.EACCES);
- }
- if (!stream.stream_ops.mmap) {- throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
- }
- return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags);
- },ioctl:function (stream, cmd, arg) {- if (!stream.stream_ops.ioctl) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTTY);
- }
- return stream.stream_ops.ioctl(stream, cmd, arg);
- },readFile:function (path, opts) {- opts = opts || {};- opts.flags = opts.flags || 'r';
- opts.encoding = opts.encoding || 'binary';
- if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {- throw new Error('Invalid encoding type "' + opts.encoding + '"');- }
- var ret;
- var stream = FS.open(path, opts.flags);
- var stat = FS.stat(path);
- var length = stat.size;
- var buf = new Uint8Array(length);
- FS.read(stream, buf, 0, length, 0);
- if (opts.encoding === 'utf8') {- ret = '';
- var utf8 = new Runtime.UTF8Processor();
- for (var i = 0; i < length; i++) {- ret += utf8.processCChar(buf[i]);
- }
- } else if (opts.encoding === 'binary') {- ret = buf;
- }
- FS.close(stream);
- return ret;
- },writeFile:function (path, data, opts) {- opts = opts || {};- opts.flags = opts.flags || 'w';
- opts.encoding = opts.encoding || 'utf8';
- if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {- throw new Error('Invalid encoding type "' + opts.encoding + '"');- }
- var stream = FS.open(path, opts.flags, opts.mode);
- if (opts.encoding === 'utf8') {- var utf8 = new Runtime.UTF8Processor();
- var buf = new Uint8Array(utf8.processJSString(data));
- FS.write(stream, buf, 0, buf.length, 0, opts.canOwn);
- } else if (opts.encoding === 'binary') {- FS.write(stream, data, 0, data.length, 0, opts.canOwn);
- }
- FS.close(stream);
- },cwd:function () {- return FS.currentPath;
- },chdir:function (path) {- var lookup = FS.lookupPath(path, { follow: true });- if (!FS.isDir(lookup.node.mode)) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
- }
- var err = FS.nodePermissions(lookup.node, 'x');
- if (err) {- throw new FS.ErrnoError(err);
- }
- FS.currentPath = lookup.path;
- },createDefaultDirectories:function () {- FS.mkdir('/tmp');- },createDefaultDevices:function () {- // create /dev
- FS.mkdir('/dev');- // setup /dev/null
- FS.registerDevice(FS.makedev(1, 3), {- read: function() { return 0; },- write: function() { return 0; }- });
- FS.mkdev('/dev/null', FS.makedev(1, 3));- // setup /dev/tty and /dev/tty1
- // stderr needs to print output using Module['printErr']
- // so we register a second tty just for it.
- TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
- TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
- FS.mkdev('/dev/tty', FS.makedev(5, 0));- FS.mkdev('/dev/tty1', FS.makedev(6, 0));- // we're not going to emulate the actual shm device,
- // just create the tmp dirs that reside in it commonly
- FS.mkdir('/dev/shm');- FS.mkdir('/dev/shm/tmp');- },createStandardStreams:function () {- // TODO deprecate the old functionality of a single
- // input / output callback and that utilizes FS.createDevice
- // and instead require a unique set of stream ops
-
- // by default, we symlink the standard streams to the
- // default tty devices. however, if the standard streams
- // have been overwritten we create a unique device for
- // them instead.
- if (Module['stdin']) {- FS.createDevice('/dev', 'stdin', Module['stdin']);- } else {- FS.symlink('/dev/tty', '/dev/stdin');- }
- if (Module['stdout']) {- FS.createDevice('/dev', 'stdout', null, Module['stdout']);- } else {- FS.symlink('/dev/tty', '/dev/stdout');- }
- if (Module['stderr']) {- FS.createDevice('/dev', 'stderr', null, Module['stderr']);- } else {- FS.symlink('/dev/tty1', '/dev/stderr');- }
-
- // open default streams for the stdin, stdout and stderr devices
- var stdin = FS.open('/dev/stdin', 'r');- HEAP32[((_stdin)>>2)]=FS.getPtrForStream(stdin);
- assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')');-
- var stdout = FS.open('/dev/stdout', 'w');- HEAP32[((_stdout)>>2)]=FS.getPtrForStream(stdout);
- assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')');-
- var stderr = FS.open('/dev/stderr', 'w');- HEAP32[((_stderr)>>2)]=FS.getPtrForStream(stderr);
- assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')');- },ensureErrnoError:function () {- if (FS.ErrnoError) return;
- FS.ErrnoError = function ErrnoError(errno) {- this.errno = errno;
- for (var key in ERRNO_CODES) {- if (ERRNO_CODES[key] === errno) {- this.code = key;
- break;
- }
- }
- this.message = ERRNO_MESSAGES[errno];
- };
- FS.ErrnoError.prototype = new Error();
- FS.ErrnoError.prototype.constructor = FS.ErrnoError;
- // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
- [ERRNO_CODES.ENOENT].forEach(function(code) {- FS.genericErrors[code] = new FS.ErrnoError(code);
- FS.genericErrors[code].stack = '<generic error, no stack>';
- });
- },staticInit:function () {- FS.ensureErrnoError();
-
- FS.nameTable = new Array(4096);
-
- FS.mount(MEMFS, {}, '/');-
- FS.createDefaultDirectories();
- FS.createDefaultDevices();
- },init:function (input, output, error) {- assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
- FS.init.initialized = true;
-
- FS.ensureErrnoError();
-
- // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
- Module['stdin'] = input || Module['stdin'];
- Module['stdout'] = output || Module['stdout'];
- Module['stderr'] = error || Module['stderr'];
-
- FS.createStandardStreams();
- },quit:function () {- FS.init.initialized = false;
- for (var i = 0; i < FS.streams.length; i++) {- var stream = FS.streams[i];
- if (!stream) {- continue;
- }
- FS.close(stream);
- }
- },getMode:function (canRead, canWrite) {- var mode = 0;
- if (canRead) mode |= 292 | 73;
- if (canWrite) mode |= 146;
- return mode;
- },joinPath:function (parts, forceRelative) {- var path = PATH.join.apply(null, parts);
- if (forceRelative && path[0] == '/') path = path.substr(1);
- return path;
- },absolutePath:function (relative, base) {- return PATH.resolve(base, relative);
- },standardizePath:function (path) {- return PATH.normalize(path);
- },findObject:function (path, dontResolveLastLink) {- var ret = FS.analyzePath(path, dontResolveLastLink);
- if (ret.exists) {- return ret.object;
- } else {- ___setErrNo(ret.error);
- return null;
- }
- },analyzePath:function (path, dontResolveLastLink) {- // operate from within the context of the symlink's target
- try {- var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });- path = lookup.path;
- } catch (e) {- }
- var ret = {- isRoot: false, exists: false, error: 0, name: null, path: null, object: null,
- parentExists: false, parentPath: null, parentObject: null
- };
- try {- var lookup = FS.lookupPath(path, { parent: true });- ret.parentExists = true;
- ret.parentPath = lookup.path;
- ret.parentObject = lookup.node;
- ret.name = PATH.basename(path);
- lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });- ret.exists = true;
- ret.path = lookup.path;
- ret.object = lookup.node;
- ret.name = lookup.node.name;
- ret.isRoot = lookup.path === '/';
- } catch (e) {- ret.error = e.errno;
- };
- return ret;
- },createFolder:function (parent, name, canRead, canWrite) {- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- var mode = FS.getMode(canRead, canWrite);
- return FS.mkdir(path, mode);
- },createPath:function (parent, path, canRead, canWrite) {- parent = typeof parent === 'string' ? parent : FS.getPath(parent);
- var parts = path.split('/').reverse();- while (parts.length) {- var part = parts.pop();
- if (!part) continue;
- var current = PATH.join2(parent, part);
- try {- FS.mkdir(current);
- } catch (e) {- // ignore EEXIST
- }
- parent = current;
- }
- return current;
- },createFile:function (parent, name, properties, canRead, canWrite) {- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- var mode = FS.getMode(canRead, canWrite);
- return FS.create(path, mode);
- },createDataFile:function (parent, name, data, canRead, canWrite, canOwn) {- var path = name ? PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name) : parent;
- var mode = FS.getMode(canRead, canWrite);
- var node = FS.create(path, mode);
- if (data) {- if (typeof data === 'string') {- var arr = new Array(data.length);
- for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
- data = arr;
- }
- // make sure we can write to the file
- FS.chmod(node, mode | 146);
- var stream = FS.open(node, 'w');
- FS.write(stream, data, 0, data.length, 0, canOwn);
- FS.close(stream);
- FS.chmod(node, mode);
- }
- return node;
- },createDevice:function (parent, name, input, output) {- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- var mode = FS.getMode(!!input, !!output);
- if (!FS.createDevice.major) FS.createDevice.major = 64;
- var dev = FS.makedev(FS.createDevice.major++, 0);
- // Create a fake device that a set of stream ops to emulate
- // the old behavior.
- FS.registerDevice(dev, {- open: function(stream) {- stream.seekable = false;
- },
- close: function(stream) {- // flush any pending line data
- if (output && output.buffer && output.buffer.length) {- output(10);
- }
- },
- read: function(stream, buffer, offset, length, pos /* ignored */) {- var bytesRead = 0;
- for (var i = 0; i < length; i++) {- var result;
- try {- result = input();
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- if (result === undefined && bytesRead === 0) {- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- if (result === null || result === undefined) break;
- bytesRead++;
- buffer[offset+i] = result;
- }
- if (bytesRead) {- stream.node.timestamp = Date.now();
- }
- return bytesRead;
- },
- write: function(stream, buffer, offset, length, pos) {- for (var i = 0; i < length; i++) {- try {- output(buffer[offset+i]);
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- }
- if (length) {- stream.node.timestamp = Date.now();
- }
- return i;
- }
- });
- return FS.mkdev(path, mode, dev);
- },createLink:function (parent, name, target, canRead, canWrite) {- var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
- return FS.symlink(target, path);
- },forceLoadFile:function (obj) {- if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
- var success = true;
- if (typeof XMLHttpRequest !== 'undefined') {- throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");- } else if (Module['read']) {- // Command-line.
- try {- // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
- // read() will try to parse UTF8.
- obj.contents = intArrayFromString(Module['read'](obj.url), true);
- } catch (e) {- success = false;
- }
- } else {- throw new Error('Cannot load without read() or XMLHttpRequest.');- }
- if (!success) ___setErrNo(ERRNO_CODES.EIO);
- return success;
- },createLazyFile:function (parent, name, url, canRead, canWrite) {- if (typeof XMLHttpRequest !== 'undefined') {- if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
- // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
- function LazyUint8Array() {- this.lengthKnown = false;
- this.chunks = []; // Loaded chunks. Index is the chunk number
- }
- LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {- if (idx > this.length-1 || idx < 0) {- return undefined;
- }
- var chunkOffset = idx % this.chunkSize;
- var chunkNum = Math.floor(idx / this.chunkSize);
- return this.getter(chunkNum)[chunkOffset];
- }
- LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {- this.getter = getter;
- }
- LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {- // Find length
- var xhr = new XMLHttpRequest();
- xhr.open('HEAD', url, false);- xhr.send(null);
- if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);- var datalength = Number(xhr.getResponseHeader("Content-length"));- var header;
- var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";- var chunkSize = 1024*1024; // Chunk size in bytes
-
- if (!hasByteServing) chunkSize = datalength;
-
- // Function to get a range from the remote URL.
- var doXHR = (function(from, to) {- if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");- if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");-
- // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);- if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);-
- // Some hints to the browser that we want binary data.
- if (typeof Uint8Array != 'undefined') xhr.responseType = 'arraybuffer';
- if (xhr.overrideMimeType) {- xhr.overrideMimeType('text/plain; charset=x-user-defined');- }
-
- xhr.send(null);
- if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);- if (xhr.response !== undefined) {- return new Uint8Array(xhr.response || []);
- } else {- return intArrayFromString(xhr.responseText || '', true);
- }
- });
- var lazyArray = this;
- lazyArray.setDataGetter(function(chunkNum) {- var start = chunkNum * chunkSize;
- var end = (chunkNum+1) * chunkSize - 1; // including this byte
- end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
- if (typeof(lazyArray.chunks[chunkNum]) === "undefined") {- lazyArray.chunks[chunkNum] = doXHR(start, end);
- }
- if (typeof(lazyArray.chunks[chunkNum]) === "undefined") throw new Error("doXHR failed!");- return lazyArray.chunks[chunkNum];
- });
-
- this._length = datalength;
- this._chunkSize = chunkSize;
- this.lengthKnown = true;
- }
-
- var lazyArray = new LazyUint8Array();
- Object.defineProperty(lazyArray, "length", {- get: function() {- if(!this.lengthKnown) {- this.cacheLength();
- }
- return this._length;
- }
- });
- Object.defineProperty(lazyArray, "chunkSize", {- get: function() {- if(!this.lengthKnown) {- this.cacheLength();
- }
- return this._chunkSize;
- }
- });
-
- var properties = { isDevice: false, contents: lazyArray };- } else {- var properties = { isDevice: false, url: url };- }
-
- var node = FS.createFile(parent, name, properties, canRead, canWrite);
- // This is a total hack, but I want to get this lazy file code out of the
- // core of MEMFS. If we want to keep this lazy file concept I feel it should
- // be its own thin LAZYFS proxying calls to MEMFS.
- if (properties.contents) {- node.contents = properties.contents;
- } else if (properties.url) {- node.contents = null;
- node.url = properties.url;
- }
- // override each stream op with one that tries to force load the lazy file first
- var stream_ops = {};- var keys = Object.keys(node.stream_ops);
- keys.forEach(function(key) {- var fn = node.stream_ops[key];
- stream_ops[key] = function forceLoadLazyFile() {- if (!FS.forceLoadFile(node)) {- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- return fn.apply(null, arguments);
- };
- });
- // use a custom read function
- stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {- if (!FS.forceLoadFile(node)) {- throw new FS.ErrnoError(ERRNO_CODES.EIO);
- }
- var contents = stream.node.contents;
- if (position >= contents.length)
- return 0;
- var size = Math.min(contents.length - position, length);
- assert(size >= 0);
- if (contents.slice) { // normal array- for (var i = 0; i < size; i++) {- buffer[offset + i] = contents[position + i];
- }
- } else {- for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR- buffer[offset + i] = contents.get(position + i);
- }
- }
- return size;
- };
- node.stream_ops = stream_ops;
- return node;
- },createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn) {- Browser.init();
- // TODO we should allow people to just pass in a complete filename instead
- // of parent and name being that we just join them anyways
- var fullname = name ? PATH.resolve(PATH.join2(parent, name)) : parent;
- function processData(byteArray) {- function finish(byteArray) {- if (!dontCreateFile) {- FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
- }
- if (onload) onload();
- removeRunDependency('cp ' + fullname);- }
- var handled = false;
- Module['preloadPlugins'].forEach(function(plugin) {- if (handled) return;
- if (plugin['canHandle'](fullname)) {- plugin['handle'](byteArray, fullname, finish, function() {- if (onerror) onerror();
- removeRunDependency('cp ' + fullname);- });
- handled = true;
- }
- });
- if (!handled) finish(byteArray);
- }
- addRunDependency('cp ' + fullname);- if (typeof url == 'string') {- Browser.asyncLoad(url, function(byteArray) {- processData(byteArray);
- }, onerror);
- } else {- processData(url);
- }
- },indexedDB:function () {- return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
- },DB_NAME:function () {- return 'EM_FS_' + window.location.pathname;
- },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (paths, onload, onerror) {- onload = onload || function(){};- onerror = onerror || function(){};- var indexedDB = FS.indexedDB();
- try {- var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
- } catch (e) {- return onerror(e);
- }
- openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {- console.log('creating db');- var db = openRequest.result;
- db.createObjectStore(FS.DB_STORE_NAME);
- };
- openRequest.onsuccess = function openRequest_onsuccess() {- var db = openRequest.result;
- var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
- var files = transaction.objectStore(FS.DB_STORE_NAME);
- var ok = 0, fail = 0, total = paths.length;
- function finish() {- if (fail == 0) onload(); else onerror();
- }
- paths.forEach(function(path) {- var putRequest = files.put(FS.analyzePath(path).object.contents, path);
- putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (ok + fail == total) finish() };- putRequest.onerror = function putRequest_onerror() { fail++; if (ok + fail == total) finish() };- });
- transaction.onerror = onerror;
- };
- openRequest.onerror = onerror;
- },loadFilesFromDB:function (paths, onload, onerror) {- onload = onload || function(){};- onerror = onerror || function(){};- var indexedDB = FS.indexedDB();
- try {- var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
- } catch (e) {- return onerror(e);
- }
- openRequest.onupgradeneeded = onerror; // no database to load from
- openRequest.onsuccess = function openRequest_onsuccess() {- var db = openRequest.result;
- try {- var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
- } catch(e) {- onerror(e);
- return;
- }
- var files = transaction.objectStore(FS.DB_STORE_NAME);
- var ok = 0, fail = 0, total = paths.length;
- function finish() {- if (fail == 0) onload(); else onerror();
- }
- paths.forEach(function(path) {- var getRequest = files.get(path);
- getRequest.onsuccess = function getRequest_onsuccess() {- if (FS.analyzePath(path).exists) {- FS.unlink(path);
- }
- FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
- ok++;
- if (ok + fail == total) finish();
- };
- getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() };- });
- transaction.onerror = onerror;
- };
- openRequest.onerror = onerror;
- }};
-
-
-
-
- function _mkport() { throw 'TODO' }var SOCKFS={mount:function (mount) {- return FS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
- },createSocket:function (family, type, protocol) {- var streaming = type == 1;
- if (protocol) {- assert(streaming == (protocol == 6)); // if SOCK_STREAM, must be tcp
- }
-
- // create our internal socket structure
- var sock = {- family: family,
- type: type,
- protocol: protocol,
- server: null,
- peers: {},- pending: [],
- recv_queue: [],
- sock_ops: SOCKFS.websocket_sock_ops
- };
-
- // create the filesystem node to store the socket structure
- var name = SOCKFS.nextname();
- var node = FS.createNode(SOCKFS.root, name, 49152, 0);
- node.sock = sock;
-
- // and the wrapping stream that enables library functions such
- // as read and write to indirectly interact with the socket
- var stream = FS.createStream({- path: name,
- node: node,
- flags: FS.modeStringToFlags('r+'),- seekable: false,
- stream_ops: SOCKFS.stream_ops
- });
-
- // map the new stream to the socket structure (sockets have a 1:1
- // relationship with a stream)
- sock.stream = stream;
-
- return sock;
- },getSocket:function (fd) {- var stream = FS.getStream(fd);
- if (!stream || !FS.isSocket(stream.node.mode)) {- return null;
- }
- return stream.node.sock;
- },stream_ops:{poll:function (stream) {- var sock = stream.node.sock;
- return sock.sock_ops.poll(sock);
- },ioctl:function (stream, request, varargs) {- var sock = stream.node.sock;
- return sock.sock_ops.ioctl(sock, request, varargs);
- },read:function (stream, buffer, offset, length, position /* ignored */) {- var sock = stream.node.sock;
- var msg = sock.sock_ops.recvmsg(sock, length);
- if (!msg) {- // socket is closed
- return 0;
- }
- buffer.set(msg.buffer, offset);
- return msg.buffer.length;
- },write:function (stream, buffer, offset, length, position /* ignored */) {- var sock = stream.node.sock;
- return sock.sock_ops.sendmsg(sock, buffer, offset, length);
- },close:function (stream) {- var sock = stream.node.sock;
- sock.sock_ops.close(sock);
- }},nextname:function () {- if (!SOCKFS.nextname.current) {- SOCKFS.nextname.current = 0;
- }
- return 'socket[' + (SOCKFS.nextname.current++) + ']';
- },websocket_sock_ops:{createPeer:function (sock, addr, port) {- var ws;
-
- if (typeof addr === 'object') {- ws = addr;
- addr = null;
- port = null;
- }
-
- if (ws) {- // for sockets that've already connected (e.g. we're the server)
- // we can inspect the _socket property for the address
- if (ws._socket) {- addr = ws._socket.remoteAddress;
- port = ws._socket.remotePort;
- }
- // if we're just now initializing a connection to the remote,
- // inspect the url property
- else {- var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
- if (!result) {- throw new Error('WebSocket URL must be in the format ws(s)://address:port');- }
- addr = result[1];
- port = parseInt(result[2], 10);
- }
- } else {- // create the actual websocket object and connect
- try {- var url = 'ws://' + addr + ':' + port;
- // the node ws library API is slightly different than the browser's
- var opts = ENVIRONMENT_IS_NODE ? {headers: {'websocket-protocol': ['binary']}} : ['binary'];- // If node we use the ws library.
- var WebSocket = ENVIRONMENT_IS_NODE ? require('ws') : window['WebSocket'];- ws = new WebSocket(url, opts);
- ws.binaryType = 'arraybuffer';
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EHOSTUNREACH);
- }
- }
-
-
- var peer = {- addr: addr,
- port: port,
- socket: ws,
- dgram_send_queue: []
- };
-
- SOCKFS.websocket_sock_ops.addPeer(sock, peer);
- SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
-
- // if this is a bound dgram socket, send the port number first to allow
- // us to override the ephemeral port reported to us by remotePort on the
- // remote end.
- if (sock.type === 2 && typeof sock.sport !== 'undefined') {- peer.dgram_send_queue.push(new Uint8Array([
- 255, 255, 255, 255,
- 'p'.charCodeAt(0), 'o'.charCodeAt(0), 'r'.charCodeAt(0), 't'.charCodeAt(0),
- ((sock.sport & 0xff00) >> 8) , (sock.sport & 0xff)
- ]));
- }
-
- return peer;
- },getPeer:function (sock, addr, port) {- return sock.peers[addr + ':' + port];
- },addPeer:function (sock, peer) {- sock.peers[peer.addr + ':' + peer.port] = peer;
- },removePeer:function (sock, peer) {- delete sock.peers[peer.addr + ':' + peer.port];
- },handlePeerEvents:function (sock, peer) {- var first = true;
-
- var handleOpen = function () {- try {- var queued = peer.dgram_send_queue.shift();
- while (queued) {- peer.socket.send(queued);
- queued = peer.dgram_send_queue.shift();
- }
- } catch (e) {- // not much we can do here in the way of proper error handling as we've already
- // lied and said this data was sent. shut it down.
- peer.socket.close();
- }
- };
-
- function handleMessage(data) {- assert(typeof data !== 'string' && data.byteLength !== undefined); // must receive an ArrayBuffer
- data = new Uint8Array(data); // make a typed array view on the array buffer
-
-
- // if this is the port message, override the peer's port with it
- var wasfirst = first;
- first = false;
- if (wasfirst &&
- data.length === 10 &&
- data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 &&
- data[4] === 'p'.charCodeAt(0) && data[5] === 'o'.charCodeAt(0) && data[6] === 'r'.charCodeAt(0) && data[7] === 't'.charCodeAt(0)) {- // update the peer's port and it's key in the peer map
- var newport = ((data[8] << 8) | data[9]);
- SOCKFS.websocket_sock_ops.removePeer(sock, peer);
- peer.port = newport;
- SOCKFS.websocket_sock_ops.addPeer(sock, peer);
- return;
- }
-
- sock.recv_queue.push({ addr: peer.addr, port: peer.port, data: data });- };
-
- if (ENVIRONMENT_IS_NODE) {- peer.socket.on('open', handleOpen);- peer.socket.on('message', function(data, flags) {- if (!flags.binary) {- return;
- }
- handleMessage((new Uint8Array(data)).buffer); // copy from node Buffer -> ArrayBuffer
- });
- peer.socket.on('error', function() {- // don't throw
- });
- } else {- peer.socket.onopen = handleOpen;
- peer.socket.onmessage = function peer_socket_onmessage(event) {- handleMessage(event.data);
- };
- }
- },poll:function (sock) {- if (sock.type === 1 && sock.server) {- // listen sockets should only say they're available for reading
- // if there are pending clients.
- return sock.pending.length ? (64 | 1) : 0;
- }
-
- var mask = 0;
- var dest = sock.type === 1 ? // we only care about the socket state for connection-based sockets
- SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) :
- null;
-
- if (sock.recv_queue.length ||
- !dest || // connection-less sockets are always ready to read
- (dest && dest.socket.readyState === dest.socket.CLOSING) ||
- (dest && dest.socket.readyState === dest.socket.CLOSED)) { // let recv return 0 once closed- mask |= (64 | 1);
- }
-
- if (!dest || // connection-less sockets are always ready to write
- (dest && dest.socket.readyState === dest.socket.OPEN)) {- mask |= 4;
- }
-
- if ((dest && dest.socket.readyState === dest.socket.CLOSING) ||
- (dest && dest.socket.readyState === dest.socket.CLOSED)) {- mask |= 16;
- }
-
- return mask;
- },ioctl:function (sock, request, arg) {- switch (request) {- case 21531:
- var bytes = 0;
- if (sock.recv_queue.length) {- bytes = sock.recv_queue[0].data.length;
- }
- HEAP32[((arg)>>2)]=bytes;
- return 0;
- default:
- return ERRNO_CODES.EINVAL;
- }
- },close:function (sock) {- // if we've spawned a listen server, close it
- if (sock.server) {- try {- sock.server.close();
- } catch (e) {- }
- sock.server = null;
- }
- // close any peer connections
- var peers = Object.keys(sock.peers);
- for (var i = 0; i < peers.length; i++) {- var peer = sock.peers[peers[i]];
- try {- peer.socket.close();
- } catch (e) {- }
- SOCKFS.websocket_sock_ops.removePeer(sock, peer);
- }
- return 0;
- },bind:function (sock, addr, port) {- if (typeof sock.saddr !== 'undefined' || typeof sock.sport !== 'undefined') {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL); // already bound
- }
- sock.saddr = addr;
- sock.sport = port || _mkport();
- // in order to emulate dgram sockets, we need to launch a listen server when
- // binding on a connection-less socket
- // note: this is only required on the server side
- if (sock.type === 2) {- // close the existing server if it exists
- if (sock.server) {- sock.server.close();
- sock.server = null;
- }
- // swallow error operation not supported error that occurs when binding in the
- // browser where this isn't supported
- try {- sock.sock_ops.listen(sock, 0);
- } catch (e) {- if (!(e instanceof FS.ErrnoError)) throw e;
- if (e.errno !== ERRNO_CODES.EOPNOTSUPP) throw e;
- }
- }
- },connect:function (sock, addr, port) {- if (sock.server) {- throw new FS.ErrnoError(ERRNO_CODS.EOPNOTSUPP);
- }
-
- // TODO autobind
- // if (!sock.addr && sock.type == 2) {- // }
-
- // early out if we're already connected / in the middle of connecting
- if (typeof sock.daddr !== 'undefined' && typeof sock.dport !== 'undefined') {- var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
- if (dest) {- if (dest.socket.readyState === dest.socket.CONNECTING) {- throw new FS.ErrnoError(ERRNO_CODES.EALREADY);
- } else {- throw new FS.ErrnoError(ERRNO_CODES.EISCONN);
- }
- }
- }
-
- // add the socket to our peer list and set our
- // destination address / port to match
- var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
- sock.daddr = peer.addr;
- sock.dport = peer.port;
-
- // always "fail" in non-blocking mode
- throw new FS.ErrnoError(ERRNO_CODES.EINPROGRESS);
- },listen:function (sock, backlog) {- if (!ENVIRONMENT_IS_NODE) {- throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
- }
- if (sock.server) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL); // already listening
- }
- var WebSocketServer = require('ws').Server;- var host = sock.saddr;
- sock.server = new WebSocketServer({- host: host,
- port: sock.sport
- // TODO support backlog
- });
-
- sock.server.on('connection', function(ws) {- if (sock.type === 1) {- var newsock = SOCKFS.createSocket(sock.family, sock.type, sock.protocol);
-
- // create a peer on the new socket
- var peer = SOCKFS.websocket_sock_ops.createPeer(newsock, ws);
- newsock.daddr = peer.addr;
- newsock.dport = peer.port;
-
- // push to queue for accept to pick up
- sock.pending.push(newsock);
- } else {- // create a peer on the listen socket so calling sendto
- // with the listen socket and an address will resolve
- // to the correct client
- SOCKFS.websocket_sock_ops.createPeer(sock, ws);
- }
- });
- sock.server.on('closed', function() {- sock.server = null;
- });
- sock.server.on('error', function() {- // don't throw
- });
- },accept:function (listensock) {- if (!listensock.server) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- var newsock = listensock.pending.shift();
- newsock.stream.flags = listensock.stream.flags;
- return newsock;
- },getname:function (sock, peer) {- var addr, port;
- if (peer) {- if (sock.daddr === undefined || sock.dport === undefined) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
- }
- addr = sock.daddr;
- port = sock.dport;
- } else {- // TODO saddr and sport will be set for bind()'d UDP sockets, but what
- // should we be returning for TCP sockets that've been connect()'d?
- addr = sock.saddr || 0;
- port = sock.sport || 0;
- }
- return { addr: addr, port: port };- },sendmsg:function (sock, buffer, offset, length, addr, port) {- if (sock.type === 2) {- // connection-less sockets will honor the message address,
- // and otherwise fall back to the bound destination address
- if (addr === undefined || port === undefined) {- addr = sock.daddr;
- port = sock.dport;
- }
- // if there was no address to fall back to, error out
- if (addr === undefined || port === undefined) {- throw new FS.ErrnoError(ERRNO_CODES.EDESTADDRREQ);
- }
- } else {- // connection-based sockets will only use the bound
- addr = sock.daddr;
- port = sock.dport;
- }
-
- // find the peer for the destination address
- var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
-
- // early out if not connected with a connection-based socket
- if (sock.type === 1) {- if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {- throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
- } else if (dest.socket.readyState === dest.socket.CONNECTING) {- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- }
-
- // create a copy of the incoming data to send, as the WebSocket API
- // doesn't work entirely with an ArrayBufferView, it'll just send
- // the entire underlying buffer
- var data;
- if (buffer instanceof Array || buffer instanceof ArrayBuffer) {- data = buffer.slice(offset, offset + length);
- } else { // ArrayBufferView- data = buffer.buffer.slice(buffer.byteOffset + offset, buffer.byteOffset + offset + length);
- }
-
- // if we're emulating a connection-less dgram socket and don't have
- // a cached connection, queue the buffer to send upon connect and
- // lie, saying the data was sent now.
- if (sock.type === 2) {- if (!dest || dest.socket.readyState !== dest.socket.OPEN) {- // if we're not connected, open a new connection
- if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {- dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
- }
- dest.dgram_send_queue.push(data);
- return length;
- }
- }
-
- try {- // send the actual data
- dest.socket.send(data);
- return length;
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- },recvmsg:function (sock, length) {- // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html
- if (sock.type === 1 && sock.server) {- // tcp servers should not be recv()'ing on the listen socket
- throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
- }
-
- var queued = sock.recv_queue.shift();
- if (!queued) {- if (sock.type === 1) {- var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
-
- if (!dest) {- // if we have a destination address but are not connected, error out
- throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
- }
- else if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {- // return null if the socket has closed
- return null;
- }
- else {- // else, our socket is in a valid state but truly has nothing available
- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- } else {- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- }
-
- // queued.data will be an ArrayBuffer if it's unadulterated, but if it's
- // requeued TCP data it'll be an ArrayBufferView
- var queuedLength = queued.data.byteLength || queued.data.length;
- var queuedOffset = queued.data.byteOffset || 0;
- var queuedBuffer = queued.data.buffer || queued.data;
- var bytesRead = Math.min(length, queuedLength);
- var res = {- buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
- addr: queued.addr,
- port: queued.port
- };
-
-
- // push back any unread data for TCP connections
- if (sock.type === 1 && bytesRead < queuedLength) {- var bytesRemaining = queuedLength - bytesRead;
- queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
- sock.recv_queue.unshift(queued);
- }
-
- return res;
- }}};function _send(fd, buf, len, flags) {- var sock = SOCKFS.getSocket(fd);
- if (!sock) {- ___setErrNo(ERRNO_CODES.EBADF);
- return -1;
- }
- // TODO honor flags
- return _write(fd, buf, len);
- }
-
- function _pwrite(fildes, buf, nbyte, offset) {- // ssize_t pwrite(int fildes, const void *buf, size_t nbyte, off_t offset);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
- var stream = FS.getStream(fildes);
- if (!stream) {- ___setErrNo(ERRNO_CODES.EBADF);
- return -1;
- }
- try {- var slab = HEAP8;
- return FS.write(stream, slab, buf, nbyte, offset);
- } catch (e) {- FS.handleFSError(e);
- return -1;
- }
- }function _write(fildes, buf, nbyte) {- // ssize_t write(int fildes, const void *buf, size_t nbyte);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
- var stream = FS.getStream(fildes);
- if (!stream) {- ___setErrNo(ERRNO_CODES.EBADF);
- return -1;
- }
-
-
- try {- var slab = HEAP8;
- return FS.write(stream, slab, buf, nbyte);
- } catch (e) {- FS.handleFSError(e);
- return -1;
- }
- }
-
- function _fileno(stream) {- // int fileno(FILE *stream);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/fileno.html
- stream = FS.getStreamFromPtr(stream);
- if (!stream) return -1;
- return stream.fd;
- }function _fwrite(ptr, size, nitems, stream) {- // size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict stream);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/fwrite.html
- var bytesToWrite = nitems * size;
- if (bytesToWrite == 0) return 0;
- var fd = _fileno(stream);
- var bytesWritten = _write(fd, ptr, bytesToWrite);
- if (bytesWritten == -1) {- var streamObj = FS.getStreamFromPtr(stream);
- if (streamObj) streamObj.error = true;
- return 0;
- } else {- return Math.floor(bytesWritten / size);
- }
- }
-
-
-
- Module["_strlen"] = _strlen;
-
- function __reallyNegative(x) {- return x < 0 || (x === 0 && (1/x) === -Infinity);
- }function __formatString(format, varargs) {- var textIndex = format;
- var argIndex = 0;
- function getNextArg(type) {- // NOTE: Explicitly ignoring type safety. Otherwise this fails:
- // int x = 4; printf("%c\n", (char)x);- var ret;
- if (type === 'double') {- ret = (HEAP32[((tempDoublePtr)>>2)]=HEAP32[(((varargs)+(argIndex))>>2)],HEAP32[(((tempDoublePtr)+(4))>>2)]=HEAP32[(((varargs)+((argIndex)+(4)))>>2)],(+(HEAPF64[(tempDoublePtr)>>3])));
- } else if (type == 'i64') {- ret = [HEAP32[(((varargs)+(argIndex))>>2)],
- HEAP32[(((varargs)+(argIndex+4))>>2)]];
-
- } else {- type = 'i32'; // varargs are always i32, i64, or double
- ret = HEAP32[(((varargs)+(argIndex))>>2)];
- }
- argIndex += Runtime.getNativeFieldSize(type);
- return ret;
- }
-
- var ret = [];
- var curr, next, currArg;
- while(1) {- var startTextIndex = textIndex;
- curr = HEAP8[(textIndex)];
- if (curr === 0) break;
- next = HEAP8[((textIndex+1)|0)];
- if (curr == 37) {- // Handle flags.
- var flagAlwaysSigned = false;
- var flagLeftAlign = false;
- var flagAlternative = false;
- var flagZeroPad = false;
- var flagPadSign = false;
- flagsLoop: while (1) {- switch (next) {- case 43:
- flagAlwaysSigned = true;
- break;
- case 45:
- flagLeftAlign = true;
- break;
- case 35:
- flagAlternative = true;
- break;
- case 48:
- if (flagZeroPad) {- break flagsLoop;
- } else {- flagZeroPad = true;
- break;
- }
- case 32:
- flagPadSign = true;
- break;
- default:
- break flagsLoop;
- }
- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- }
-
- // Handle width.
- var width = 0;
- if (next == 42) {- width = getNextArg('i32');- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- } else {- while (next >= 48 && next <= 57) {- width = width * 10 + (next - 48);
- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- }
- }
-
- // Handle precision.
- var precisionSet = false, precision = -1;
- if (next == 46) {- precision = 0;
- precisionSet = true;
- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- if (next == 42) {- precision = getNextArg('i32');- textIndex++;
- } else {- while(1) {- var precisionChr = HEAP8[((textIndex+1)|0)];
- if (precisionChr < 48 ||
- precisionChr > 57) break;
- precision = precision * 10 + (precisionChr - 48);
- textIndex++;
- }
- }
- next = HEAP8[((textIndex+1)|0)];
- }
- if (precision < 0) {- precision = 6; // Standard default.
- precisionSet = false;
- }
-
- // Handle integer sizes. WARNING: These assume a 32-bit architecture!
- var argSize;
- switch (String.fromCharCode(next)) {- case 'h':
- var nextNext = HEAP8[((textIndex+2)|0)];
- if (nextNext == 104) {- textIndex++;
- argSize = 1; // char (actually i32 in varargs)
- } else {- argSize = 2; // short (actually i32 in varargs)
- }
- break;
- case 'l':
- var nextNext = HEAP8[((textIndex+2)|0)];
- if (nextNext == 108) {- textIndex++;
- argSize = 8; // long long
- } else {- argSize = 4; // long
- }
- break;
- case 'L': // long long
- case 'q': // int64_t
- case 'j': // intmax_t
- argSize = 8;
- break;
- case 'z': // size_t
- case 't': // ptrdiff_t
- case 'I': // signed ptrdiff_t or unsigned size_t
- argSize = 4;
- break;
- default:
- argSize = null;
- }
- if (argSize) textIndex++;
- next = HEAP8[((textIndex+1)|0)];
-
- // Handle type specifier.
- switch (String.fromCharCode(next)) {- case 'd': case 'i': case 'u': case 'o': case 'x': case 'X': case 'p': {- // Integer.
- var signed = next == 100 || next == 105;
- argSize = argSize || 4;
- var currArg = getNextArg('i' + (argSize * 8));- var origArg = currArg;
- var argText;
- // Flatten i64-1 [low, high] into a (slightly rounded) double
- if (argSize == 8) {- currArg = Runtime.makeBigInt(currArg[0], currArg[1], next == 117);
- }
- // Truncate to requested size.
- if (argSize <= 4) {- var limit = Math.pow(256, argSize) - 1;
- currArg = (signed ? reSign : unSign)(currArg & limit, argSize * 8);
- }
- // Format the number.
- var currAbsArg = Math.abs(currArg);
- var prefix = '';
- if (next == 100 || next == 105) {- if (argSize == 8 && i64Math) argText = i64Math.stringify(origArg[0], origArg[1], null); else
- argText = reSign(currArg, 8 * argSize, 1).toString(10);
- } else if (next == 117) {- if (argSize == 8 && i64Math) argText = i64Math.stringify(origArg[0], origArg[1], true); else
- argText = unSign(currArg, 8 * argSize, 1).toString(10);
- currArg = Math.abs(currArg);
- } else if (next == 111) {- argText = (flagAlternative ? '0' : '') + currAbsArg.toString(8);
- } else if (next == 120 || next == 88) {- prefix = (flagAlternative && currArg != 0) ? '0x' : '';
- if (argSize == 8 && i64Math) {- if (origArg[1]) {- argText = (origArg[1]>>>0).toString(16);
- var lower = (origArg[0]>>>0).toString(16);
- while (lower.length < 8) lower = '0' + lower;
- argText += lower;
- } else {- argText = (origArg[0]>>>0).toString(16);
- }
- } else
- if (currArg < 0) {- // Represent negative numbers in hex as 2's complement.
- currArg = -currArg;
- argText = (currAbsArg - 1).toString(16);
- var buffer = [];
- for (var i = 0; i < argText.length; i++) {- buffer.push((0xF - parseInt(argText[i], 16)).toString(16));
- }
- argText = buffer.join('');- while (argText.length < argSize * 2) argText = 'f' + argText;
- } else {- argText = currAbsArg.toString(16);
- }
- if (next == 88) {- prefix = prefix.toUpperCase();
- argText = argText.toUpperCase();
- }
- } else if (next == 112) {- if (currAbsArg === 0) {- argText = '(nil)';
- } else {- prefix = '0x';
- argText = currAbsArg.toString(16);
- }
- }
- if (precisionSet) {- while (argText.length < precision) {- argText = '0' + argText;
- }
- }
-
- // Add sign if needed
- if (currArg >= 0) {- if (flagAlwaysSigned) {- prefix = '+' + prefix;
- } else if (flagPadSign) {- prefix = ' ' + prefix;
- }
- }
-
- // Move sign to prefix so we zero-pad after the sign
- if (argText.charAt(0) == '-') {- prefix = '-' + prefix;
- argText = argText.substr(1);
- }
-
- // Add padding.
- while (prefix.length + argText.length < width) {- if (flagLeftAlign) {- argText += ' ';
- } else {- if (flagZeroPad) {- argText = '0' + argText;
- } else {- prefix = ' ' + prefix;
- }
- }
- }
-
- // Insert the result into the buffer.
- argText = prefix + argText;
- argText.split('').forEach(function(chr) {- ret.push(chr.charCodeAt(0));
- });
- break;
- }
- case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': {- // Float.
- var currArg = getNextArg('double');- var argText;
- if (isNaN(currArg)) {- argText = 'nan';
- flagZeroPad = false;
- } else if (!isFinite(currArg)) {- argText = (currArg < 0 ? '-' : '') + 'inf';
- flagZeroPad = false;
- } else {- var isGeneral = false;
- var effectivePrecision = Math.min(precision, 20);
-
- // Convert g/G to f/F or e/E, as per:
- // http://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html
- if (next == 103 || next == 71) {- isGeneral = true;
- precision = precision || 1;
- var exponent = parseInt(currArg.toExponential(effectivePrecision).split('e')[1], 10);- if (precision > exponent && exponent >= -4) {- next = ((next == 103) ? 'f' : 'F').charCodeAt(0);
- precision -= exponent + 1;
- } else {- next = ((next == 103) ? 'e' : 'E').charCodeAt(0);
- precision--;
- }
- effectivePrecision = Math.min(precision, 20);
- }
-
- if (next == 101 || next == 69) {- argText = currArg.toExponential(effectivePrecision);
- // Make sure the exponent has at least 2 digits.
- if (/[eE][-+]\d$/.test(argText)) {- argText = argText.slice(0, -1) + '0' + argText.slice(-1);
- }
- } else if (next == 102 || next == 70) {- argText = currArg.toFixed(effectivePrecision);
- if (currArg === 0 && __reallyNegative(currArg)) {- argText = '-' + argText;
- }
- }
-
- var parts = argText.split('e');- if (isGeneral && !flagAlternative) {- // Discard trailing zeros and periods.
- while (parts[0].length > 1 && parts[0].indexOf('.') != -1 &&- (parts[0].slice(-1) == '0' || parts[0].slice(-1) == '.')) {- parts[0] = parts[0].slice(0, -1);
- }
- } else {- // Make sure we have a period in alternative mode.
- if (flagAlternative && argText.indexOf('.') == -1) parts[0] += '.';- // Zero pad until required precision.
- while (precision > effectivePrecision++) parts[0] += '0';
- }
- argText = parts[0] + (parts.length > 1 ? 'e' + parts[1] : '');
-
- // Capitalize 'E' if needed.
- if (next == 69) argText = argText.toUpperCase();
-
- // Add sign.
- if (currArg >= 0) {- if (flagAlwaysSigned) {- argText = '+' + argText;
- } else if (flagPadSign) {- argText = ' ' + argText;
- }
- }
- }
-
- // Add padding.
- while (argText.length < width) {- if (flagLeftAlign) {- argText += ' ';
- } else {- if (flagZeroPad && (argText[0] == '-' || argText[0] == '+')) {- argText = argText[0] + '0' + argText.slice(1);
- } else {- argText = (flagZeroPad ? '0' : ' ') + argText;
- }
- }
- }
-
- // Adjust case.
- if (next < 97) argText = argText.toUpperCase();
-
- // Insert the result into the buffer.
- argText.split('').forEach(function(chr) {- ret.push(chr.charCodeAt(0));
- });
- break;
- }
- case 's': {- // String.
- var arg = getNextArg('i8*');- var argLength = arg ? _strlen(arg) : '(null)'.length;
- if (precisionSet) argLength = Math.min(argLength, precision);
- if (!flagLeftAlign) {- while (argLength < width--) {- ret.push(32);
- }
- }
- if (arg) {- for (var i = 0; i < argLength; i++) {- ret.push(HEAPU8[((arg++)|0)]);
- }
- } else {- ret = ret.concat(intArrayFromString('(null)'.substr(0, argLength), true));- }
- if (flagLeftAlign) {- while (argLength < width--) {- ret.push(32);
- }
- }
- break;
- }
- case 'c': {- // Character.
- if (flagLeftAlign) ret.push(getNextArg('i8'));- while (--width > 0) {- ret.push(32);
- }
- if (!flagLeftAlign) ret.push(getNextArg('i8'));- break;
- }
- case 'n': {- // Write the length written so far to the next parameter.
- var ptr = getNextArg('i32*');- HEAP32[((ptr)>>2)]=ret.length;
- break;
- }
- case '%': {- // Literal percent sign.
- ret.push(curr);
- break;
- }
- default: {- // Unknown specifiers remain untouched.
- for (var i = startTextIndex; i < textIndex + 2; i++) {- ret.push(HEAP8[(i)]);
- }
- }
- }
- textIndex += 2;
- // TODO: Support a/A (hex float) and m (last error) specifiers.
- // TODO: Support %1${specifier} for arg selection.- } else {- ret.push(curr);
- textIndex += 1;
- }
- }
- return ret;
- }function _fprintf(stream, format, varargs) {- // int fprintf(FILE *restrict stream, const char *restrict format, ...);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
- var result = __formatString(format, varargs);
- var stack = Runtime.stackSave();
- var ret = _fwrite(allocate(result, 'i8', ALLOC_STACK), 1, result.length, stream);
- Runtime.stackRestore(stack);
- return ret;
- }
+var Module;if(!Module)Module=(typeof Module!=="undefined"?Module:null)||{};var moduleOverrides={};for(var key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function";var ENVIRONMENT_IS_WEB=typeof window==="object";var ENVIRONMENT_IS_WORKER=typeof importScripts==="function";var ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;if(ENVIRONMENT_IS_NODE){if(!Module["print"])Module["print"]=function print(x){process["stdout"].write(x+"\n")};if(!Module["printErr"])Module["printErr"]=function printErr(x){process["stderr"].write(x+"\n")};var nodeFS=require("fs");var nodePath=require("path");Module["read"]=function read(filename,binary){filename=nodePath["normalize"](filename);var ret=nodeFS["readFileSync"](filename);if(!ret&&filename!=nodePath["resolve"](filename)){filename=path.join(__dirname,"..","src",filename);ret=nodeFS["readFileSync"](filename)}if(ret&&!binary)ret=ret.toString();return ret};Module["readBinary"]=function readBinary(filename){return Module["read"](filename,true)};Module["load"]=function load(f){globalEval(read(f))};if(!Module["thisProgram"]){if(process["argv"].length>1){Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/")}else{Module["thisProgram"]="unknown-program"}}Module["arguments"]=process["argv"].slice(2);if(typeof module!=="undefined"){module["exports"]=Module}process["on"]("uncaughtException",(function(ex){if(!(ex instanceof ExitStatus)){throw ex}}))}else if(ENVIRONMENT_IS_SHELL){if(!Module["print"])Module["print"]=print;if(typeof printErr!="undefined")Module["printErr"]=printErr;if(typeof read!="undefined"){Module["read"]=read}else{Module["read"]=function read(){throw"no read() available (jsc?)"}}Module["readBinary"]=function readBinary(f){if(typeof readbuffer==="function"){return new Uint8Array(readbuffer(f))}var data=read(f,"binary");assert(typeof data==="object");return data};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){Module["read"]=function read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof console!=="undefined"){if(!Module["print"])Module["print"]=function print(x){console.log(x)};if(!Module["printErr"])Module["printErr"]=function printErr(x){console.log(x)}}else{var TRY_USE_DUMP=false;if(!Module["print"])Module["print"]=TRY_USE_DUMP&&typeof dump!=="undefined"?(function(x){dump(x)}):(function(x){})}if(ENVIRONMENT_IS_WORKER){Module["load"]=importScripts}if(typeof Module["setWindowTitle"]==="undefined"){Module["setWindowTitle"]=(function(title){document.title=title})}}else{throw"Unknown runtime environment. Where are we?"}function globalEval(x){eval.call(null,x)}if(!Module["load"]&&Module["read"]){Module["load"]=function load(f){globalEval(Module["read"](f))}}if(!Module["print"]){Module["print"]=(function(){})}if(!Module["printErr"]){Module["printErr"]=Module["print"]}if(!Module["arguments"]){Module["arguments"]=[]}if(!Module["thisProgram"]){Module["thisProgram"]="./this.program"}Module.print=Module["print"];Module.printErr=Module["printErr"];Module["preRun"]=[];Module["postRun"]=[];for(var key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}var Runtime={setTempRet0:(function(value){tempRet0=value}),getTempRet0:(function(){return tempRet0}),stackSave:(function(){return STACKTOP}),stackRestore:(function(stackTop){STACKTOP=stackTop}),getNativeTypeSize:(function(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return Runtime.QUANTUM_SIZE}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bits%8===0);return bits/8}else{return 0}}}}),getNativeFieldSize:(function(type){return Math.max(Runtime.getNativeType\ No newline at end of file
+var asm=(function(global,env,buffer) {+"use asm";var a=new global.Int8Array(buffer);var b=new global.Int16Array(buffer);var c=new global.Int32Array(buffer);var d=new global.Uint8Array(buffer);var e=new global.Uint16Array(buffer);var f=new global.Uint32Array(buffer);var g=new global.Float32Array(buffer);var h=new global.Float64Array(buffer);var i=env.STACKTOP|0;var j=env.STACK_MAX|0;var k=env.tempDoublePtr|0;var l=env.ABORT|0;var m=env.cttz_i8|0;var n=env._stderr|0;var o=0;var p=0;var q=0;var r=0;var s=global.NaN,t=global.Infinity;var u=0,v=0,w=0,x=0,y=0.0,z=0,A=0,B=0,C=0.0;var D=0;var E=0;var F=0;var G=0;var H=0;var I=0;var J=0;var K=0;var L=0;var M=0;var N=global.Math.floor;var O=global.Math.abs;var P=global.Math.sqrt;var Q=global.Math.pow;var R=global.Math.cos;var S=global.Math.sin;var T=global.Math.tan;var U=global.Math.acos;var V=global.Math.asin;var W=global.Math.atan;var X=global.Math.atan2;var Y=global.Math.exp;var Z=global.Math.log;var _=global.Math.ceil;var $=global.Math.imul;var aa=global.Math.min;var ba=global.Math.clz32;var ca=env.abort;var da=env.assert;var ea=env.invoke_iiii;var fa=env._fabs;var ga=env._sin;var ha=env._exp;var ia=env._cosf;var ja=env._send;var ka=env._sqrtf;var la=env._cosl;var ma=env._remquof;var na=env._emscripten_set_main_loop_timing;var oa=env._logf;var pa=env._fflush;var qa=env._pwrite;var ra=env._strerror_r;var sa=env._fprintf;var ta=env.__reallyNegative;var ua=env._sbrk;var va=env._nextafter;var wa=env._remquo;var xa=env._emscripten_memcpy_big;var ya=env._fileno;var za=env._sysconf;var Aa=env.___setErrNo;var Ba=env._sinf;var Ca=env._cos;var Da=env._llvm_fma_f64;var Ea=env._log;var Fa=env.___unlock;var Ga=env._write;var Ha=env._emscripten_set_main_loop;var Ia=env.___errno_location;var Ja=env._expf;var Ka=env._fesetround;var La=env._sinl;var Ma=env.___lock;var Na=env._abort;var Oa=env._fwrite;var Pa=env._time;var Qa=env._mkport;var Ra=env._strerror;var Sa=env.__formatString;var Ta=env._sqrt;var Ua=env._ilogb;var Va=0.0;
+// EMSCRIPTEN_START_FUNCS
+function Bd(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;if(!a)return;b=a+-8|0;i=c[2180]|0;if(b>>>0<i>>>0)Na();d=c[a+-4>>2]|0;e=d&3;if((e|0)==1)Na();o=d&-8;q=a+(o+-8)|0;do if(!(d&1)){b=c[b>>2]|0;if(!e)return;j=-8-b|0;l=a+j|0;m=b+o|0;if(l>>>0<i>>>0)Na();if((l|0)==(c[2181]|0)){b=a+(o+-4)|0;d=c[b>>2]|0;if((d&3|0)!=3){u=l;g=m;break}c[2178]=m;c[b>>2]=d&-2;c[a+(j+4)>>2]=m|1;c[q>>2]=m;return}f=b>>>3;if(b>>>0<256){e=c[a+(j+8)>>2]|0;d=c[a+(j+12)>>2]|0;b=8744+(f<<1<<2)|0;if((e|0)!=(b|0)){if(e>>>0<i>>>0)Na();if((c[e+12>>2]|0)!=(l|0))Na()}if((d|0)==(e|0)){c[2176]=c[2176]&~(1<<f);u=l;g=m;break}if((d|0)!=(b|0)){if(d>>>0<i>>>0)Na();b=d+8|0;if((c[b>>2]|0)==(l|0))h=b;else Na()}else h=d+8|0;c[e+12>>2]=d;c[h>>2]=e;u=l;g=m;break}h=c[a+(j+24)>>2]|0;e=c[a+(j+12)>>2]|0;do if((e|0)==(l|0)){d=a+(j+20)|0;b=c[d>>2]|0;if(!b){d=a+(j+16)|0;b=c[d>>2]|0;if(!b){k=0;break}}while(1){e=b+20|0;f=c[e>>2]|0;if(f){b=f;d=e;continue}e=b+16|0;f=c[e>>2]|0;if(!f)break;else{b=f;d=e}}if(d>>>0<i>>>0)Na();else{c[d>>2]=0;k=b;break}}else{f=c[a+(j+8)>>2]|0;if(f>>>0<i>>>0)Na();b=f+12|0;if((c[b>>2]|0)!=(l|0))Na();d=e+8|0;if((c[d>>2]|0)==(l|0)){c[b>>2]=e;c[d>>2]=f;k=e;break}else Na()}while(0);if(h){b=c[a+(j+28)>>2]|0;d=9008+(b<<2)|0;if((l|0)==(c[d>>2]|0)){c[d>>2]=k;if(!k){c[2177]=c[2177]&~(1<<b);u=l;g=m;break}}else{if(h>>>0<(c[2180]|0)>>>0)Na();b=h+16|0;if((c[b>>2]|0)==(l|0))c[b>>2]=k;else c[h+20>>2]=k;if(!k){u=l;g=m;break}}d=c[2180]|0;if(k>>>0<d>>>0)Na();c[k+24>>2]=h;b=c[a+(j+16)>>2]|0;do if(b)if(b>>>0<d>>>0)Na();else{c[k+16>>2]=b;c[b+24>>2]=k;break}while(0);b=c[a+(j+20)>>2]|0;if(b)if(b>>>0<(c[2180]|0)>>>0)Na();else{c[k+20>>2]=b;c[b+24>>2]=k;u=l;g=m;break}else{u=l;g=m}}else{u=l;g=m}}else{u=b;g=o}while(0);if(u>>>0>=q>>>0)Na();b=a+(o+-4)|0;d=c[b>>2]|0;if(!(d&1))Na();if(!(d&2)){if((q|0)==(c[2182]|0)){t=(c[2179]|0)+g|0;c[2179]=t;c[2182]=u;c[u+4>>2]=t|1;if((u|0)!=(c[2181]|0))return;c[2181]=0;c[2178]=0;return}if((q|0)==(c[2181]|0)){t=(c[2178]|0)+g|0;c[2178]=t;c[2181]=u;c[u+4>>2]=t|1;c[u+t>>2]=t;return}g=(d&-8)+g|0;f=d>>>3;do if(d>>>0>=256){h=c[a+(o+16)>>2]|0;b=c[a+(o|4)>>2]|0;do if((b|0)==(q|0)){d=a+(o+12)|0;b=c[d>>2]|0;if(!b){d=a+(o+8)|0;b=c[d>>2]|0;if(!b){p=0;break}}while(1){e=b+20|0;f=c[e>>2]|0;if(f){b=f;d=e;continue}e=b+16|0;f=c[e>>2]|0;if(!f)break;else{b=f;d=e}}if(d>>>0<(c[2180]|0)>>>0)Na();else{c[d>>2]=0;p=b;break}}else{d=c[a+o>>2]|0;if(d>>>0<(c[2180]|0)>>>0)Na();e=d+12|0;if((c[e>>2]|0)!=(q|0))Na();f=b+8|0;if((c[f>>2]|0)==(q|0)){c[e>>2]=b;c[f>>2]=d;p=b;break}else Na()}while(0);if(h){b=c[a+(o+20)>>2]|0;d=9008+(b<<2)|0;if((q|0)==(c[d>>2]|0)){c[d>>2]=p;if(!p){c[2177]=c[2177]&~(1<<b);break}}else{if(h>>>0<(c[2180]|0)>>>0)Na();b=h+16|0;if((c[b>>2]|0)==(q|0))c[b>>2]=p;else c[h+20>>2]=p;if(!p)break}d=c[2180]|0;if(p>>>0<d>>>0)Na();c[p+24>>2]=h;b=c[a+(o+8)>>2]|0;do if(b)if(b>>>0<d>>>0)Na();else{c[p+16>>2]=b;c[b+24>>2]=p;break}while(0);b=c[a+(o+12)>>2]|0;if(b)if(b>>>0<(c[2180]|0)>>>0)Na();else{c[p+20>>2]=b;c[b+24>>2]=p;break}}}else{e=c[a+o>>2]|0;d=c[a+(o|4)>>2]|0;b=8744+(f<<1<<2)|0;if((e|0)!=(b|0)){if(e>>>0<(c[2180]|0)>>>0)Na();if((c[e+12>>2]|0)!=(q|0))Na()}if((d|0)==(e|0)){c[2176]=c[2176]&~(1<<f);break}if((d|0)!=(b|0)){if(d>>>0<(c[2180]|0)>>>0)Na();b=d+8|0;if((c[b>>2]|0)==(q|0))n=b;else Na()}else n=d+8|0;c[e+12>>2]=d;c[n>>2]=e}while(0);c[u+4>>2]=g|1;c[u+g>>2]=g;if((u|0)==(c[2181]|0)){c[2178]=g;return}}else{c[b>>2]=d&-2;c[u+4>>2]=g|1;c[u+g>>2]=g}b=g>>>3;if(g>>>0<256){d=b<<1;f=8744+(d<<2)|0;e=c[2176]|0;b=1<<b;if(e&b){b=8744+(d+2<<2)|0;d=c[b>>2]|0;if(d>>>0<(c[2180]|0)>>>0)Na();else{r=b;s=d}}else{c[2176]=e|b;r=8744+(d+2<<2)|0;s=f}c[r>>2]=u;c[s+12>>2]=u;c[u+8>>2]=s;c[u+12>>2]=f;return}b=g>>>8;if(b)if(g>>>0>16777215)f=31;else{r=(b+1048320|0)>>>16&8;s=b<<r;q=(s+520192|0)>>>16&4;s=s<<q;f=(s+245760|0)>>>16&2;f=14-(q|r|f)+(s<<f>>>15)|0;f=g>>>(f+7|0)&1|f<<1}else f=0;b=9008+(f<<2)|0;c[u+28>>2]=f;c[u+20>>2]=0;c[u+16>>2]=0;d=c[2177]|0;e=1<<f;a:do if(d&e){b=c[b>>2]|0;if((f|0)==31)d=0;else d=25-(f>>>1)|0;b:do if((c[b+4>>2]&-8|0)!=(g|0)){f=g<<d;while(1){d=b+(f>>>31<<2)+16|0;e=c[d>>2]|0;if(!e)break;if((c[e+4>>2]&-8|0)==(g|0)){t=e;break b}else{f=f<<1;b=e}}if\ No newline at end of file
+function ec(b,e,f){b=b|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0;g=c[e>>2]|0;if((g|0)==16777215)return;h=f>>>0<16;i=h?16:8;h=h?f:f&3;h=($(c[4656+(h<<2)>>2]|0,i)|0)+(c[4592+(h<<2)>>2]|0)|0;l=b+h|0;j=c[e+4>>2]|0;k=b+(h+1)|0;f=d[k>>0]|0;a[l>>0]=a[4720+(g+512+(d[l>>0]|0))>>0]|0;l=c[e+8>>2]|0;g=b+(h+2)|0;m=d[g>>0]|0;a[k>>0]=a[4720+(j+512+f)>>0]|0;k=b+(h+3)|0;f=a[4720+((c[e+12>>2]|0)+512+(d[k>>0]|0))>>0]|0;a[g>>0]=a[4720+(l+512+m)>>0]|0;a[k>>0]=f;h=h+i|0;k=b+h|0;f=c[e+20>>2]|0;g=b+(h+1)|0;m=d[g>>0]|0;a[k>>0]=a[4720+((c[e+16>>2]|0)+512+(d[k>>0]|0))>>0]|0;k=c[e+24>>2]|0;l=b+(h+2)|0;j=d[l>>0]|0;a[g>>0]=a[4720+(f+512+m)>>0]|0;g=b+(h+3)|0;m=a[4720+((c[e+28>>2]|0)+512+(d[g>>0]|0))>>0]|0;a[l>>0]=a[4720+(k+512+j)>>0]|0;a[g>>0]=m;h=h+i|0;g=b+h|0;m=c[e+36>>2]|0;l=b+(h+1)|0;j=d[l>>0]|0;a[g>>0]=a[4720+((c[e+32>>2]|0)+512+(d[g>>0]|0))>>0]|0;g=c[e+40>>2]|0;k=b+(h+2)|0;f=d[k>>0]|0;a[l>>0]=a[4720+(m+512+j)>>0]|0;l=b+(h+3)|0;j=a[4720+((c[e+44>>2]|0)+512+(d[l>>0]|0))>>0]|0;a[k>>0]=a[4720+(g+512+f)>>0]|0;a[l>>0]=j;i=h+i|0;h=b+i|0;l=c[e+52>>2]|0;j=b+(i+1)|0;k=d[j>>0]|0;a[h>>0]=a[4720+((c[e+48>>2]|0)+512+(d[h>>0]|0))>>0]|0;h=c[e+56>>2]|0;f=b+(i+2)|0;g=d[f>>0]|0;a[j>>0]=a[4720+(l+512+k)>>0]|0;b=b+(i+3)|0;e=a[4720+((c[e+60>>2]|0)+512+(d[b>>0]|0))>>0]|0;a[f>>0]=a[4720+(h+512+g)>>0]|0;a[b>>0]=e;return}function fc(a,d,e,f,g){a=a|0;d=d|0;e=e|0;f=f|0;g=g|0;var h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0;w=i;i=i+16|0;r=w+12|0;s=w;v=w+4|0;u=w+8|0;nh(d|0,0,2088)|0;j=ud(a,v)|0;h=c[v>>2]|0;do if((f|0)==2|(f|0)==7){h=h+6|0;if((j|0)!=0|h>>>0>31){a=1;i=w;return a|0}else{c[d>>2]=h;n=h;break}}else{h=h+1|0;if((j|0)!=0|h>>>0>31){a=1;i=w;return a|0}else{c[d>>2]=h;n=h;break}}while(0);a:do if((n|0)!=31){b:do if(n>>>0>=6){f=(n|0)!=6&1;do if(!f){c[s>>2]=0;p=0;m=0;while(1){h=jd(a)|0;t=h>>>31;c[d+(m<<2)+12>>2]=t;if(!t){c[d+(m<<2)+76>>2]=h>>>28&7;h=h<<4;j=1}else{h=h<<1;j=0}k=m|1;t=h>>>31;c[d+(k<<2)+12>>2]=t;if(!t){c[d+(k<<2)+76>>2]=h>>>28&7;l=h<<4;j=j+1|0}else l=h<<1;h=k+1|0;t=l>>>31;c[d+(h<<2)+12>>2]=t;if(!t){c[d+(h<<2)+76>>2]=l>>>28&7;h=l<<4;j=j+1|0}else h=l<<1;l=m|3;t=h>>>31;c[d+(l<<2)+12>>2]=t;if(!t){c[d+(l<<2)+76>>2]=h>>>28&7;k=h<<4;j=j+1|0}else k=h<<1;h=l+1|0;t=k>>>31;c[d+(h<<2)+12>>2]=t;if(!t){c[d+(h<<2)+76>>2]=k>>>28&7;k=k<<4;j=j+1|0}else k=k<<1;h=l+2|0;t=k>>>31;c[d+(h<<2)+12>>2]=t;if(!t){c[d+(h<<2)+76>>2]=k>>>28&7;k=k<<4;j=j+1|0}else k=k<<1;h=l+3|0;t=k>>>31;c[d+(h<<2)+12>>2]=t;if(!t){c[d+(h<<2)+76>>2]=k>>>28&7;k=k<<4;j=j+1|0}else k=k<<1;h=m|7;t=k>>>31;c[d+(h<<2)+12>>2]=t;if(!t){c[d+(h<<2)+76>>2]=k>>>28&7;h=k<<4;j=j+1|0}else h=k<<1;if((kd(a,(j*3|0)+8|0)|0)==-1){t=82;break}p=p+1|0;c[s>>2]=p;if((p|0)>=2){t=79;break}else m=m+8|0}if((t|0)==79){c[r>>2]=h;break}else if((t|0)==82){c[r>>2]=h;h=1;f=0;t=97;break b}}else if((f|0)!=1){h=0;t=97;break b}while(0);t=(ud(a,r)|0)!=0;h=c[r>>2]|0;if(t|h>>>0>3){h=1;t=97}else{c[d+140>>2]=h;h=0;t=97}}else{if((n|0)==3|(n|0)==2){l=s;m=r}else if((n|0)==0|(n|0)==1){l=s;m=r}else{j=(ud(a,r)|0)!=0;h=c[r>>2]|0;c:do if(((!(j|h>>>0>3)?(o=d+176|0,c[o>>2]=h,j=(ud(a,r)|0)!=0,l=c[r>>2]|0,!(j|l>>>0>3)):0)?(p=d+180|0,c[p>>2]=l,l=(ud(a,r)|0)!=0,k=c[r>>2]|0,!(l|k>>>0>3)):0)?(q=d+184|0,c[q>>2]=k,l=(ud(a,r)|0)!=0,m=c[r>>2]|0,!(l|m>>>0>3)):0){j=d+188|0;c[j>>2]=m;if(g>>>0>1&(n|0)!=5){f=g>>>0>2&1;if(xd(a,r,f)|0){h=1;break}h=c[r>>2]|0;if(h>>>0>=g>>>0){h=1;break}c[d+192>>2]=h;if(xd(a,r,f)|0){h=1;break}h=c[r>>2]|0;if(h>>>0>=g>>>0){h=1;break}c[d+196>>2]=h;if(xd(a,r,f)|0){h=1;break}h=c[r>>2]|0;if(h>>>0>=g>>>0){h=1;break}c[d+200>>2]=h;if(xd(a,r,f)|0){h=1;break}h=c[r>>2]|0;if(h>>>0>=g>>>0){h=1;break}c[d+204>>2]=h}h=c[o>>2]|0;if((h|0)==2|(h|0)==1)h=1;else if(!h)h=0;else h=3;c[r>>2]=h;f=0;while(1){h=vd(a,s)|0;if(h)break c;b[d+(f<<2)+208>>1]=c[s>>2];h=vd(a,s)|0;if(h)break c;b[d+(f<<2)+210>>1]=c[s>>2];g=c[r>>2]|0;c[r>>2]=g+-1;if(!g)break;else f=f+1|0}h=c[p>>2]|0;if(!h)h=0;else if((h|0)==2|(h|0)==1)h=1;else h=3;c[r>>2]=h;f=0;while(1){h=vd(a,s)|0;if(h)break c;b[d+(f<<2)+224>>1]=c[s>>2];h=vd(a,s)|0;if(h)break c;b[d+(f<<2)+226>>1]=c[s>>2];g=c[r>>2]|0;c[r>>2]=g+-1;if(!g)break;else f=f+1|0}h=c[q>>2]|0;if(!h)h=0;else if((h|0)==2|(h|0)==1)h=1;else h=3;c[r>>2]\ No newline at end of file
+function Xa(a){a=a|0;var b=0;b=i;i=i+a|0;i=i+15&-16;return b|0}function Ya(){return i|0}function Za(a){a=a|0;i=a}function _a(a,b){a=a|0;b=b|0;if(!o){o=a;p=b}}function $a(b){b=b|0;a[k>>0]=a[b>>0];a[k+1>>0]=a[b+1>>0];a[k+2>>0]=a[b+2>>0];a[k+3>>0]=a[b+3>>0]}function ab(b){b=b|0;a[k>>0]=a[b>>0];a[k+1>>0]=a[b+1>>0];a[k+2>>0]=a[b+2>>0];a[k+3>>0]=a[b+3>>0];a[k+4>>0]=a[b+4>>0];a[k+5>>0]=a[b+5>>0];a[k+6>>0]=a[b+6>>0];a[k+7>>0]=a[b+7>>0]}function bb(a){a=a|0;D=a}function cb(){return D|0}function db(b,e,f,g){b=b|0;e=e|0;f=f|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;do if(((e>>>0>3?(a[b>>0]|0)==0:0)?(a[b+1>>0]|0)==0:0)?(h=b+2|0,i=a[h>>0]|0,(i&255)<2):0){m=-3;k=3;l=b+3|0;j=2;while(1){if(i<<24>>24)if(j>>>0>1&i<<24>>24==1){p=k;j=l;break}else j=0;else j=j+1|0;h=k+1|0;if((h|0)==(e|0)){o=6;break}n=l;m=~k;i=a[l>>0]|0;k=h;l=l+1|0;h=n}if((o|0)==6){c[g>>2]=e;g=1;return g|0}o=p;i=0;k=0;n=j;j=0;while(1){q=a[n>>0]|0;l=q<<24>>24!=0;j=(l&1^1)+j|0;i=q<<24>>24==3&(j|0)==2?1:i;if(q<<24>>24==1&j>>>0>1){h=o;o=14;break}o=o+1|0;if(l){k=j>>>0>2?1:k;j=0}if((o|0)==(e|0)){h=j;o=18;break}else{q=n;n=h+2|0;h=q}}if((o|0)==14){m=m+h-j|0;c[f+12>>2]=m;l=p;h=j-(j>>>0<3?j:3)|0;break}else if((o|0)==18){m=m+e-h|0;c[f+12>>2]=m;l=p;break}}else o=19;while(0);if((o|0)==19){c[f+12>>2]=e;m=e;i=1;l=0;k=0;h=0}j=b+l|0;c[f>>2]=j;c[f+4>>2]=j;c[f+8>>2]=0;c[f+16>>2]=0;n=f+12|0;c[g>>2]=h+l+m;if(k){q=1;return q|0}if(!i){q=0;return q|0}k=c[n>>2]|0;i=j;h=j;j=0;a:while(1){l=j;while(1){if(!k){o=31;break a}k=k+-1|0;j=a[i>>0]|0;if((l|0)!=2)break;if(j<<24>>24!=3){o=29;break}if(!k){h=1;o=32;break a}i=i+1|0;if((d[i>>0]|0)>3){h=1;o=32;break a}else l=0}if((o|0)==29){o=0;if((j&255)<3){h=1;o=32;break}else l=2}a[h>>0]=j;i=i+1|0;h=h+1|0;j=j<<24>>24==0?l+1|0:0}if((o|0)==31){c[n>>2]=h-i+(c[n>>2]|0);q=0;return q|0}else if((o|0)==32)return h|0;return 0}function eb(a,b,f,g){a=a|0;b=b|0;f=f|0;g=g|0;var h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0;N=i;i=i+128|0;L=N+64|0;M=N;o=jd(a)|0;p=o>>>16;do if(f>>>0<2)if((o|0)>=0){if(o>>>0>201326591){m=e[648+(o>>>26<<1)>>1]|0;t=25;break}if(o>>>0>16777215){m=e[712+(o>>>22<<1)>>1]|0;t=25;break}if(o>>>0>2097151){m=e[808+((o>>>18)+-8<<1)>>1]|0;t=25;break}else{m=e[920+(p<<1)>>1]|0;t=25;break}}else q=1;else if(f>>>0<4){if((o|0)<0){q=(p&16384|0)!=0?2:2082;break}if(o>>>0>268435455){m=e[984+(o>>>26<<1)>>1]|0;t=25;break}if(o>>>0>33554431){m=e[1048+(o>>>23<<1)>>1]|0;t=25;break}else{m=e[1112+(o>>>18<<1)>>1]|0;t=25;break}}else{if(f>>>0<8){f=o>>>26;if((f+-8|0)>>>0<56){m=e[1368+(f<<1)>>1]|0;t=25;break}m=e[1496+(o>>>22<<1)>>1]|0;t=25;break}if(f>>>0<17){m=e[1752+(o>>>26<<1)>>1]|0;t=25;break}f=o>>>29;if(f){m=e[1880+(f<<1)>>1]|0;t=25;break}m=e[1896+(o>>>24<<1)>>1]|0;t=25;break}while(0);if((t|0)==25)if(!m){M=1;i=N;return M|0}else q=m;m=q&31;p=o<<m;f=32-m|0;H=q>>>11&31;if(H>>>0>g>>>0){M=1;i=N;return M|0}w=q>>>5&63;do if(H){if(!w)m=0;else{do if(f>>>0<w>>>0)if((kd(a,m)|0)==-1){M=1;i=N;return M|0}else{f=32;p=jd(a)|0;break}while(0);q=p>>>(32-w|0);p=p<<w;m=0;o=1<<w+-1;do{c[L+(m<<2)>>2]=(o&q|0)!=0?-1:1;o=o>>>1;m=m+1|0}while((o|0)!=0);f=f-w|0}v=w>>>0<3;a:do if(m>>>0<H>>>0){u=m;s=H>>>0>10&v&1;b:while(1){if(f>>>0<16){if((kd(a,32-f|0)|0)==-1){I=1;t=127;break}f=32;p=jd(a)|0}do if((p|0)>=0)if(p>>>0<=1073741823)if(p>>>0<=536870911)if(p>>>0<=268435455)if(p>>>0<=134217727)if(p>>>0<=67108863)if(p>>>0<=33554431)if(p>>>0<=16777215)if(p>>>0<=8388607)if(p>>>0>4194303){G=9;t=59}else{if(p>>>0>2097151){G=10;t=59;break}if(p>>>0>1048575){G=11;t=59;break}if(p>>>0>524287){G=12;t=59;break}if(p>>>0>262143){G=13;t=59;break}if(p>>>0>131071){n=f+-15|0;o=p<<15;m=14;q=s;r=(s|0)!=0?s:4}else{if(p>>>0<65536){I=1;t=127;break b}n=f+-16|0;o=p<<16;m=15;q=(s|0)!=0?s:1;r=12}C=m<<q;z=(q|0)==0;y=o;x=q;t=60}else{G=8;t=59}else{G=7;t=59}else{G=6;t=59}else{G=5;t=59}else{G=4;t=59}else{G=3;t=59}else{G=2;t=59}else{G=1;t=59}else{G=0;t=59}while(0);if((t|0)==59){t=0;q=G+1|0;m=p<<q;p=f-q|0;f=G<<s;if(!s){F=1;D=p;E=m;A=f;B=0}else{C=f;n=p;z=0;y=m;x=s;r=s;t=60}}if((t|0)==60){if(n>>>0<r>>>0){if((kd(a,32-n|0)|0)==-1){I=1;t=127;break}f=32;p=jd(a)|0}else{f=n\ No newline at end of file
ying the data was sent now.
-ing the data was sent now.
- if (sock.type === 2) {- if (!dest || dest.socket.readyState !== dest.socket.OPEN) {- // if we're not connected, open a new connection
- if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {- dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
- }
- dest.dgram_send_queue.push(data);
- return length;
- }
- }
-
- try {- // send the actual data
- dest.socket.send(data);
- return length;
- } catch (e) {- throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
- }
- },recvmsg:function (sock, length) {- // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html
- if (sock.type === 1 && sock.server) {- // tcp servers should not be recv()'ing on the listen socket
- throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
- }
-
- var queued = sock.recv_queue.shift();
- if (!queued) {- if (sock.type === 1) {- var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
-
- if (!dest) {- // if we have a destination address but are not connected, error out
- throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
- }
- else if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {- // return null if the socket has closed
- return null;
- }
- else {- // else, our socket is in a valid state but truly has nothing available
- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- } else {- throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
- }
- }
-
- // queued.data will be an ArrayBuffer if it's unadulterated, but if it's
- // requeued TCP data it'll be an ArrayBufferView
- var queuedLength = queued.data.byteLength || queued.data.length;
- var queuedOffset = queued.data.byteOffset || 0;
- var queuedBuffer = queued.data.buffer || queued.data;
- var bytesRead = Math.min(length, queuedLength);
- var res = {- buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
- addr: queued.addr,
- port: queued.port
- };
-
-
- // push back any unread data for TCP connections
- if (sock.type === 1 && bytesRead < queuedLength) {- var bytesRemaining = queuedLength - bytesRead;
- queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
- sock.recv_queue.unshift(queued);
- }
-
- return res;
- }}};function _send(fd, buf, len, flags) {- var sock = SOCKFS.getSocket(fd);
- if (!sock) {- ___setErrNo(ERRNO_CODES.EBADF);
- return -1;
- }
- // TODO honor flags
- return _write(fd, buf, len);
- }
-
- function _pwrite(fildes, buf, nbyte, offset) {- // ssize_t pwrite(int fildes, const void *buf, size_t nbyte, off_t offset);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
- var stream = FS.getStream(fildes);
- if (!stream) {- ___setErrNo(ERRNO_CODES.EBADF);
- return -1;
- }
- try {- var slab = HEAP8;
- return FS.write(stream, slab, buf, nbyte, offset);
- } catch (e) {- FS.handleFSError(e);
- return -1;
- }
- }function _write(fildes, buf, nbyte) {- // ssize_t write(int fildes, const void *buf, size_t nbyte);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
- var stream = FS.getStream(fildes);
- if (!stream) {- ___setErrNo(ERRNO_CODES.EBADF);
- return -1;
- }
-
-
- try {- var slab = HEAP8;
- return FS.write(stream, slab, buf, nbyte);
- } catch (e) {- FS.handleFSError(e);
- return -1;
- }
- }
-
- function _fileno(stream) {- // int fileno(FILE *stream);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/fileno.html
- stream = FS.getStreamFromPtr(stream);
- if (!stream) return -1;
- return stream.fd;
- }function _fwrite(ptr, size, nitems, stream) {- // size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict stream);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/fwrite.html
- var bytesToWrite = nitems * size;
- if (bytesToWrite == 0) return 0;
- var fd = _fileno(stream);
- var bytesWritten = _write(fd, ptr, bytesToWrite);
- if (bytesWritten == -1) {- var streamObj = FS.getStreamFromPtr(stream);
- if (streamObj) streamObj.error = true;
- return 0;
- } else {- return Math.floor(bytesWritten / size);
- }
- }
-
-
-
- Module["_strlen"] = _strlen;
-
- function __reallyNegative(x) {- return x < 0 || (x === 0 && (1/x) === -Infinity);
- }function __formatString(format, varargs) {- var textIndex = format;
- var argIndex = 0;
- function getNextArg(type) {- // NOTE: Explicitly ignoring type safety. Otherwise this fails:
- // int x = 4; printf("%c\n", (char)x);- var ret;
- if (type === 'double') {- ret = (HEAP32[((tempDoublePtr)>>2)]=HEAP32[(((varargs)+(argIndex))>>2)],HEAP32[(((tempDoublePtr)+(4))>>2)]=HEAP32[(((varargs)+((argIndex)+(4)))>>2)],(+(HEAPF64[(tempDoublePtr)>>3])));
- } else if (type == 'i64') {- ret = [HEAP32[(((varargs)+(argIndex))>>2)],
- HEAP32[(((varargs)+(argIndex+4))>>2)]];
-
- } else {- type = 'i32'; // varargs are always i32, i64, or double
- ret = HEAP32[(((varargs)+(argIndex))>>2)];
- }
- argIndex += Runtime.getNativeFieldSize(type);
- return ret;
- }
-
- var ret = [];
- var curr, next, currArg;
- while(1) {- var startTextIndex = textIndex;
- curr = HEAP8[(textIndex)];
- if (curr === 0) break;
- next = HEAP8[((textIndex+1)|0)];
- if (curr == 37) {- // Handle flags.
- var flagAlwaysSigned = false;
- var flagLeftAlign = false;
- var flagAlternative = false;
- var flagZeroPad = false;
- var flagPadSign = false;
- flagsLoop: while (1) {- switch (next) {- case 43:
- flagAlwaysSigned = true;
- break;
- case 45:
- flagLeftAlign = true;
- break;
- case 35:
- flagAlternative = true;
- break;
- case 48:
- if (flagZeroPad) {- break flagsLoop;
- } else {- flagZeroPad = true;
- break;
- }
- case 32:
- flagPadSign = true;
- break;
- default:
- break flagsLoop;
- }
- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- }
-
- // Handle width.
- var width = 0;
- if (next == 42) {- width = getNextArg('i32');- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- } else {- while (next >= 48 && next <= 57) {- width = width * 10 + (next - 48);
- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- }
- }
-
- // Handle precision.
- var precisionSet = false, precision = -1;
- if (next == 46) {- precision = 0;
- precisionSet = true;
- textIndex++;
- next = HEAP8[((textIndex+1)|0)];
- if (next == 42) {- precision = getNextArg('i32');- textIndex++;
- } else {- while(1) {- var precisionChr = HEAP8[((textIndex+1)|0)];
- if (precisionChr < 48 ||
- precisionChr > 57) break;
- precision = precision * 10 + (precisionChr - 48);
- textIndex++;
- }
- }
- next = HEAP8[((textIndex+1)|0)];
- }
- if (precision < 0) {- precision = 6; // Standard default.
- precisionSet = false;
- }
-
- // Handle integer sizes. WARNING: These assume a 32-bit architecture!
- var argSize;
- switch (String.fromCharCode(next)) {- case 'h':
- var nextNext = HEAP8[((textIndex+2)|0)];
- if (nextNext == 104) {- textIndex++;
- argSize = 1; // char (actually i32 in varargs)
- } else {- argSize = 2; // short (actually i32 in varargs)
- }
- break;
- case 'l':
- var nextNext = HEAP8[((textIndex+2)|0)];
- if (nextNext == 108) {- textIndex++;
- argSize = 8; // long long
- } else {- argSize = 4; // long
- }
- break;
- case 'L': // long long
- case 'q': // int64_t
- case 'j': // intmax_t
- argSize = 8;
- break;
- case 'z': // size_t
- case 't': // ptrdiff_t
- case 'I': // signed ptrdiff_t or unsigned size_t
- argSize = 4;
- break;
- default:
- argSize = null;
- }
- if (argSize) textIndex++;
- next = HEAP8[((textIndex+1)|0)];
-
- // Handle type specifier.
- switch (String.fromCharCode(next)) {- case 'd': case 'i': case 'u': case 'o': case 'x': case 'X': case 'p': {- // Integer.
- var signed = next == 100 || next == 105;
- argSize = argSize || 4;
- var currArg = getNextArg('i' + (argSize * 8));- var origArg = currArg;
- var argText;
- // Flatten i64-1 [low, high] into a (slightly rounded) double
- if (argSize == 8) {- currArg = Runtime.makeBigInt(currArg[0], currArg[1], next == 117);
- }
- // Truncate to requested size.
- if (argSize <= 4) {- var limit = Math.pow(256, argSize) - 1;
- currArg = (signed ? reSign : unSign)(currArg & limit, argSize * 8);
- }
- // Format the number.
- var currAbsArg = Math.abs(currArg);
- var prefix = '';
- if (next == 100 || next == 105) {- if (argSize == 8 && i64Math) argText = i64Math.stringify(origArg[0], origArg[1], null); else
- argText = reSign(currArg, 8 * argSize, 1).toString(10);
- } else if (next == 117) {- if (argSize == 8 && i64Math) argText = i64Math.stringify(origArg[0], origArg[1], true); else
- argText = unSign(currArg, 8 * argSize, 1).toString(10);
- currArg = Math.abs(currArg);
- } else if (next == 111) {- argText = (flagAlternative ? '0' : '') + currAbsArg.toString(8);
- } else if (next == 120 || next == 88) {- prefix = (flagAlternative && currArg != 0) ? '0x' : '';
- if (argSize == 8 && i64Math) {- if (origArg[1]) {- argText = (origArg[1]>>>0).toString(16);
- var lower = (origArg[0]>>>0).toString(16);
- while (lower.length < 8) lower = '0' + lower;
- argText += lower;
- } else {- argText = (origArg[0]>>>0).toString(16);
- }
- } else
- if (currArg < 0) {- // Represent negative numbers in hex as 2's complement.
- currArg = -currArg;
- argText = (currAbsArg - 1).toString(16);
- var buffer = [];
- for (var i = 0; i < argText.length; i++) {- buffer.push((0xF - parseInt(argText[i], 16)).toString(16));
- }
- argText = buffer.join('');- while (argText.length < argSize * 2) argText = 'f' + argText;
- } else {- argText = currAbsArg.toString(16);
- }
- if (next == 88) {- prefix = prefix.toUpperCase();
- argText = argText.toUpperCase();
- }
- } else if (next == 112) {- if (currAbsArg === 0) {- argText = '(nil)';
- } else {- prefix = '0x';
- argText = currAbsArg.toString(16);
- }
- }
- if (precisionSet) {- while (argText.length < precision) {- argText = '0' + argText;
- }
- }
-
- // Add sign if needed
- if (currArg >= 0) {- if (flagAlwaysSigned) {- prefix = '+' + prefix;
- } else if (flagPadSign) {- prefix = ' ' + prefix;
- }
- }
-
- // Move sign to prefix so we zero-pad after the sign
- if (argText.charAt(0) == '-') {- prefix = '-' + prefix;
- argText = argText.substr(1);
- }
-
- // Add padding.
- while (prefix.length + argText.length < width) {- if (flagLeftAlign) {- argText += ' ';
- } else {- if (flagZeroPad) {- argText = '0' + argText;
- } else {- prefix = ' ' + prefix;
- }
- }
- }
-
- // Insert the result into the buffer.
- argText = prefix + argText;
- argText.split('').forEach(function(chr) {- ret.push(chr.charCodeAt(0));
- });
- break;
- }
- case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': {- // Float.
- var currArg = getNextArg('double');- var argText;
- if (isNaN(currArg)) {- argText = 'nan';
- flagZeroPad = false;
- } else if (!isFinite(currArg)) {- argText = (currArg < 0 ? '-' : '') + 'inf';
- flagZeroPad = false;
- } else {- var isGeneral = false;
- var effectivePrecision = Math.min(precision, 20);
-
- // Convert g/G to f/F or e/E, as per:
- // http://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html
- if (next == 103 || next == 71) {- isGeneral = true;
- precision = precision || 1;
- var exponent = parseInt(currArg.toExponential(effectivePrecision).split('e')[1], 10);- if (precision > exponent && exponent >= -4) {- next = ((next == 103) ? 'f' : 'F').charCodeAt(0);
- precision -= exponent + 1;
- } else {- next = ((next == 103) ? 'e' : 'E').charCodeAt(0);
- precision--;
- }
- effectivePrecision = Math.min(precision, 20);
- }
-
- if (next == 101 || next == 69) {- argText = currArg.toExponential(effectivePrecision);
- // Make sure the exponent has at least 2 digits.
- if (/[eE][-+]\d$/.test(argText)) {- argText = argText.slice(0, -1) + '0' + argText.slice(-1);
- }
- } else if (next == 102 || next == 70) {- argText = currArg.toFixed(effectivePrecision);
- if (currArg === 0 && __reallyNegative(currArg)) {- argText = '-' + argText;
- }
- }
-
- var parts = argText.split('e');- if (isGeneral && !flagAlternative) {- // Discard trailing zeros and periods.
- while (parts[0].length > 1 && parts[0].indexOf('.') != -1 &&- (parts[0].slice(-1) == '0' || parts[0].slice(-1) == '.')) {- parts[0] = parts[0].slice(0, -1);
- }
- } else {- // Make sure we have a period in alternative mode.
- if (flagAlternative && argText.indexOf('.') == -1) parts[0] += '.';- // Zero pad until required precision.
- while (precision > effectivePrecision++) parts[0] += '0';
- }
- argText = parts[0] + (parts.length > 1 ? 'e' + parts[1] : '');
-
- // Capitalize 'E' if needed.
- if (next == 69) argText = argText.toUpperCase();
-
- // Add sign.
- if (currArg >= 0) {- if (flagAlwaysSigned) {- argText = '+' + argText;
- } else if (flagPadSign) {- argText = ' ' + argText;
- }
- }
- }
-
- // Add padding.
- while (argText.length < width) {- if (flagLeftAlign) {- argText += ' ';
- } else {- if (flagZeroPad && (argText[0] == '-' || argText[0] == '+')) {- argText = argText[0] + '0' + argText.slice(1);
- } else {- argText = (flagZeroPad ? '0' : ' ') + argText;
- }
- }
- }
-
- // Adjust case.
- if (next < 97) argText = argText.toUpperCase();
-
- // Insert the result into the buffer.
- argText.split('').forEach(function(chr) {- ret.push(chr.charCodeAt(0));
- });
- break;
- }
- case 's': {- // String.
- var arg = getNextArg('i8*');- var argLength = arg ? _strlen(arg) : '(null)'.length;
- if (precisionSet) argLength = Math.min(argLength, precision);
- if (!flagLeftAlign) {- while (argLength < width--) {- ret.push(32);
- }
- }
- if (arg) {- for (var i = 0; i < argLength; i++) {- ret.push(HEAPU8[((arg++)|0)]);
- }
- } else {- ret = ret.concat(intArrayFromString('(null)'.substr(0, argLength), true));- }
- if (flagLeftAlign) {- while (argLength < width--) {- ret.push(32);
- }
- }
- break;
- }
- case 'c': {- // Character.
- if (flagLeftAlign) ret.push(getNextArg('i8'));- while (--width > 0) {- ret.push(32);
- }
- if (!flagLeftAlign) ret.push(getNextArg('i8'));- break;
- }
- case 'n': {- // Write the length written so far to the next parameter.
- var ptr = getNextArg('i32*');- HEAP32[((ptr)>>2)]=ret.length;
- break;
- }
- case '%': {- // Literal percent sign.
- ret.push(curr);
- break;
- }
- default: {- // Unknown specifiers remain untouched.
- for (var i = startTextIndex; i < textIndex + 2; i++) {- ret.push(HEAP8[(i)]);
- }
- }
- }
- textIndex += 2;
- // TODO: Support a/A (hex float) and m (last error) specifiers.
- // TODO: Support %1${specifier} for arg selection.- } else {- ret.push(curr);
- textIndex += 1;
- }
- }
- return ret;
- }function _fprintf(stream, format, varargs) {- // int fprintf(FILE *restrict stream, const char *restrict format, ...);
- // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
- var result = __formatString(format, varargs);
- var stack = Runtime.stackSave();
- var ret = _fwrite(allocate(result, 'i8', ALLOC_STACK), 1, result.length, stream);
- Runtime.stackRestore(stack);
- return ret;
- }
-
-
-
- function _emscripten_memcpy_big(dest, src, num) {- HEAPU8.set(HEAPU8.subarray(src, src+num), dest);
- return dest;
- }
- Module["_memcpy"] = _memcpy;
-
- function _sbrk(bytes) {- // Implement a Linux-like 'memory area' for our 'process'.
- // Changes the size of the memory area by |bytes|; returns the
- // address of the previous top ('break') of the memory area- // We control the "dynamic" memory - DYNAMIC_BASE to DYNAMICTOP
- var self = _sbrk;
- if (!self.called) {- DYNAMICTOP = alignMemoryPage(DYNAMICTOP); // make sure we start out aligned
- self.called = true;
- assert(Runtime.dynamicAlloc);
- self.alloc = Runtime.dynamicAlloc;
- Runtime.dynamicAlloc = function() { abort('cannot dynamically allocate, sbrk now has control') };- }
- var ret = DYNAMICTOP;
- if (bytes != 0) self.alloc(bytes);
- return ret; // Previous break location.
- }
-
- function ___errno_location() {- return ___errno_state;
- }
-
- function _llvm_lifetime_start() {}-
- var _llvm_memcpy_p0i8_p0i8_i32=_memcpy;
-
- var Browser={mainLoop:{scheduler:null,method:"",shouldPause:false,paused:false,queue:[],pause:function () {- Browser.mainLoop.shouldPause = true;
- },resume:function () {- if (Browser.mainLoop.paused) {- Browser.mainLoop.paused = false;
- Browser.mainLoop.scheduler();
- }
- Browser.mainLoop.shouldPause = false;
- },updateStatus:function () {- if (Module['setStatus']) {- var message = Module['statusMessage'] || 'Please wait...';
- var remaining = Browser.mainLoop.remainingBlockers;
- var expected = Browser.mainLoop.expectedBlockers;
- if (remaining) {- if (remaining < expected) {- Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')');- } else {- Module['setStatus'](message);
- }
- } else {- Module['setStatus']('');- }
- }
- }},isFullScreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () {- if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers
-
func, timeout) {- return setTimeout(function() {+curr);subs.push(curr);i+=pre+size}i++;return parts}function parse(rawList,limit,allowVoid){limit=limit||Infinity;var ret="",list=[];function flushList(){return"("+list.join(", ")+")"}var name;if(func[i]==="N"){name=parseNested().join("::");limit--;if(limit===0)return rawList?[name]:name}else{if(func[i]==="K"||first&&func[i]==="L")i++;var size=parseInt(func.substr(i));if(size){var pre=size.toString().length;name=func.substr(i+pre,size);i+=pre+size}}first=false;if(func[i]==="I"){i++;var iList=parse(true);var iRet=parse(true,1,true);ret+=iRet[0]+" "+name+"<"+iList.join(", ")+">"}else{ret=name}paramLoop:while(i<func.length&&limit-->0){var c=func[i++];if(c in basicTypes){list.push(basicTypes[c])}else{switch(c){case"P":list.push(parse(true,1,true)[0]+"*");break;case"R":list.push(parse(true,1,true)[0]+"&");break;case"L":{i++;var end=func.indexOf("E",i);var size=end-i;list.push(func.substr(i,size));i+=size+2;break};case"A":{var size=parseInt(func.substr(i));i+=size.toString().length;if(func[i]!=="_")throw"?";i++;list.push(parse(true,1,true)[0]+" ["+size+"]");break};case"E":break paramLoop;default:ret+="?"+c;break paramLoop}}}if(!allowVoid&&list.length===1&&list[0]==="void")list=[];if(rawList){if(ret){list.push(ret+"?")}return list}else{return ret+flushList()}}var parsed=func;try{if(func=="Object._main"||func=="_main"){return"main()"}if(typeof func==="number")func=Pointer_stringify(func);if(func[0]!=="_")return func;if(func[1]!=="_")return func;if(func[2]!=="Z")return func;switch(func[3]){case"n":return"operator new()";case"d":return"operator delete()"}parsed=parse()}catch(e){parsed+="?"}if(parsed.indexOf("?")>=0&&!hasLibcxxabi){Runtime.warnOnce("warning: a problem occurred in builtin C++ name demangling; build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling")}return parsed}function demangleAll(text){return text.replace(/__Z[\w\d_]+/g,(function(x){var y=demangle(x);return x===y?x:x+" ["+y+"]"}))}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error(0)}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}function stackTrace(){return demangleAll(jsStackTrace())}Module["stackTrace"]=stackTrace;var PAGE_SIZE=4096;function alignMemoryPage(x){if(x%4096>0){x+=4096-x%4096}return x}var HEAP;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;var STATIC_BASE=0,STATICTOP=0,staticSealed=false;var STACK_BASE=0,STACKTOP=0,STACK_MAX=0;var DYNAMIC_BASE=0,DYNAMICTOP=0;function enlargeMemory(){abort("Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value "+TOTAL_MEMORY+", (2) compile with ALLOW_MEMORY_GROWTH which adjusts the size at runtime but prevents some optimizations, or (3) set Module.TOTAL_MEMORY before the program runs.")}var TOTAL_STACK=Module["TOTAL_STACK"]||5242880;var TOTAL_MEMORY=Module["TOTAL_MEMORY"]||67108864;var totalMemory=64*1024;while(totalMemory<TOTAL_MEMORY||totalMemory<2*TOTAL_STACK){if(totalMemory<16*1024*1024){totalMemory*=2}else{totalMemory+=16*1024*1024}}if(totalMemory!==TOTAL_MEMORY){Module.printErr("increasing TOTAL_MEMORY to "+totalMemory+" to be compliant with the asm.js spec (and given that TOTAL_STACK="+TOTAL_STACK+")");TOTAL_MEMORY=totalMemory}assert(typeof Int32Array!=="undefined"&&typeof Float64Array!=="undefined"&&!!(new Int32Array(1))["subarray"]&&!!(new Int32Array(1))["set"],"JS engine does not provide full typed array support");var buffer=new ArrayBuffer(TOTAL_MEMORY);HEAP8=new Int8Array(buffer);HEAP16=new Int16Array(buffer);HEAP32=new Int32Array(buffer);HEAPU8=new Uint8Array(buffer);HEAPU16=new Uint16Array(buffer);HEAPU32=new Uint32Array(buffer);HEAPF32=new Float32Array(buffer);HEAPF64=new Float64Array(buffer);HEAP32[0]=255;assert(HEAPU8[0]===255&&HEAPU8[3]===0,"Typed arrays 2 must be run on a little-endian system");Module["HEAP"]=HEAP;Module["buffer"]=buffer;Module["HEAP8"]=HEAP8;Module["HEAP16"]=HEAP16;Module["HEAP32"]=HEAP32;Module["HEAPU8"]=HEAPU8;Module["HEAPU16"]=HEAPU16;Module["HEAPU32"]=HEAPU32;Module["HEAPF32"]=HEAPF32;Module["HEAPF64"]=HEAPF64;function cal\ No newline at end of file
erMedia:function (func) { if(!window.getUserMedia) {window.getUserMedia = navigator['getUserMedia'] ||
-{- if(!window.getUserMedia) {- window.getUserMedia = navigator['getUserMedia'] ||
- navigator['mozGetUserMedia'];
- }
- window.getUserMedia(func);
- },getMovementX:function (event) {- return event['movementX'] ||
- event['mozMovementX'] ||
- event['webkitMovementX'] ||
- 0;
- },getMovementY:function (event) {- return event['movementY'] ||
- event['mozMovementY'] ||
- event['webkitMovementY'] ||
- 0;
- },getMouseWheelDelta:function (event) {- return Math.max(-1, Math.min(1, event.type === 'DOMMouseScroll' ? event.detail : -event.wheelDelta));
- },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,calculateMouseEvent:function (event) { // event should be mousemove, mousedown or mouseup- if (Browser.pointerLock) {- // When the pointer is locked, calculate the coordinates
- // based on the movement of the mouse.
- // Workaround for Firefox bug 764498
- if (event.type != 'mousemove' &&
- ('mozMovementX' in event)) {- Browser.mouseMovementX = Browser.mouseMovementY = 0;
- } else {- Browser.mouseMovementX = Browser.getMovementX(event);
- Browser.mouseMovementY = Browser.getMovementY(event);
- }
-
- // check if SDL is available
- if (typeof SDL != "undefined") {- Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
- Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
- } else {- // just add the mouse delta to the current absolut mouse position
- // FIXME: ideally this should be clamped against the canvas size and zero
- Browser.mouseX += Browser.mouseMovementX;
- Browser.mouseY += Browser.mouseMovementY;
- }
- } else {- // Otherwise, calculate the movement based on the changes
- // in the coordinates.
- var rect = Module["canvas"].getBoundingClientRect();
- var x, y;
-
- // Neither .scrollX or .pageXOffset are defined in a spec, but
- // we prefer .scrollX because it is currently in a spec draft.
- // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
- var scrollX = ((typeof window.scrollX !== 'undefined') ? window.scrollX : window.pageXOffset);
- var scrollY = ((typeof window.scrollY !== 'undefined') ? window.scrollY : window.pageYOffset);
- if (event.type == 'touchstart' ||
- event.type == 'touchend' ||
- event.type == 'touchmove') {- var t = event.touches.item(0);
- if (t) {- x = t.pageX - (scrollX + rect.left);
- y = t.pageY - (scrollY + rect.top);
- } else {- return;
- }
- } else {- x = event.pageX - (scrollX + rect.left);
- y = event.pageY - (scrollY + rect.top);
- }
-
- // the canvas might be CSS-scaled compared to its backbuffer;
- // SDL-using content will want mouse coordinates in terms
- // of backbuffer units.
- var cw = Module["canvas"].width;
- var ch = Module["canvas"].height;
- x = x * (cw / rect.width);
- y = y * (ch / rect.height);
-
- Browser.mouseMovementX = x - Browser.mouseX;
- Browser.mouseMovementY = y - Browser.mouseY;
- Browser.mouseX = x;
- Browser.mouseY = y;
- }
- },xhrLoad:function (url, onload, onerror) {- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, true);- xhr.responseType = 'arraybuffer';
- xhr.onload = function xhr_onload() {- if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0- onload(xhr.response);
- } else {- onerror();
- }
- };
- xhr.onerror = onerror;
- xhr.send(null);
- },asyncLoad:function (url, onload, onerror, noRunDep) {- Browser.xhrLoad(url, function(arrayBuffer) {- assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
- onload(new Uint8Array(arrayBuffer));
- if (!noRunDep) removeRunDependency('al ' + url);- }, function(event) {- if (onerror) {- onerror();
- } else {- throw 'Loading data file "' + url + '" failed.';
- }
- });
- if (!noRunDep) addRunDependency('al ' + url);- },resizeListeners:[],updateResizeListeners:function () {- var canvas = Module['canvas'];
- Browser.resizeListeners.forEach(function(listener) {- listener(canvas.width, canvas.height);
- });
- },setCanvasSize:function (width, height, noUpdates) {- var canvas = Module['canvas'];
- Browser.updateCanvasDimensions(canvas, width, height);
- if (!noUpdates) Browser.updateResizeListeners();
- },windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () {- // check if SDL is available
- if (typeof SDL != "undefined") {- var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
- flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
- HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
- }
- Browser.updateResizeListeners();
- },setWindowedCanvasSize:function () {- // check if SDL is available
- if (typeof SDL != "undefined") {- var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
- flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag
- HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
- }
- Browser.updateResizeListeners();
- },updateCanvasDimensions:function (canvas, wNative, hNative) {- if (wNative && hNative) {- canvas.widthNative = wNative;
- canvas.heightNative = hNative;
- } else {- wNative = canvas.widthNative;
- hNative = canvas.heightNative;
- }
- var w = wNative;
- var h = hNative;
- if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) {- if (w/h < Module['forcedAspectRatio']) {- w = Math.round(h * Module['forcedAspectRatio']);
- } else {- h = Math.round(w / Module['forcedAspectRatio']);
- }
- }
- if (((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] ||
- document['mozFullScreenElement'] || document['mozFullscreenElement'] ||
- document['fullScreenElement'] || document['fullscreenElement'] ||
- document['msFullScreenElement'] || document['msFullscreenElement'] ||
- document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {- var factor = Math.min(screen.width / w, screen.height / h);
- w = Math.round(w * factor);
- h = Math.round(h * factor);
- }
- if (Browser.resizeCanvas) {- if (canvas.width != w) canvas.width = w;
- if (canvas.height != h) canvas.height = h;
- if (typeof canvas.style != 'undefined') {- canvas.style.removeProperty( "width");
- canvas.style.removeProperty("height");- }
- } else {- if (canvas.width != wNative) canvas.width = wNative;
- if (canvas.height != hNative) canvas.height = hNative;
- if (typeof canvas.style != 'undefined') {- if (w != wNative || h != hNative) {- canvas.style.setProperty( "width", w + "px", "important");
- canvas.style.setProperty("height", h + "px", "important");- } else {- canvas.style.removeProperty( "width");
- canvas.style.removeProperty("height");- }
- }
- }
- }};
-
- function _time(ptr) {- var ret = Math.floor(Date.now()/1000);
- if (ptr) {- HEAP32[((ptr)>>2)]=ret;
- }
- return ret;
- }
-
-___errno_state = Runtime.staticAlloc(4); HEAP32[((___errno_state)>>2)]=0;
-FS.staticInit();__ATINIT__.unshift({ func: function() { if (!Module["noFSInit"] && !FS.init.initialized) FS.init() } });__ATMAIN__.push({ func: function() { FS.ignorePermissions = false } });__ATEXIT__.push({ func: function() { FS.quit() } });Module["FS_createFolder"] = FS.createFolder;Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDevice;-__ATINIT__.unshift({ func: function() { TTY.init() } });__ATEXIT__.push({ func: function() { TTY.shutdown() } });TTY.utf8 = new Runtime.UTF8Processor();-if (ENVIRONMENT_IS_NODE) { var fs = require("fs"); NODEFS.staticInit(); }-__ATINIT__.push({ func: function() { SOCKFS.root = FS.mount(SOCKFS, {}, null); } });-Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, resizeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) };- Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) };- Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) };- Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() };- Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() };- Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() }-STACK_BASE = STACKTOP = Runtime.alignMemory(STATICTOP);
-
-staticSealed = true; // seal the static portion of memory
-
-STACK_MAX = STACK_BASE + 5242880;
-
-DYNAMIC_BASE = DYNAMICTOP = Runtime.alignMemory(STACK_MAX);
-
-assert(DYNAMIC_BASE < TOTAL_MEMORY, "TOTAL_MEMORY not big enough for stack");
-
-
-var Math_min = Math.min;
-function asmPrintInt(x, y) {- Module.print('int ' + x + ',' + y);// + ' ' + new Error().stack);-}
-function asmPrintFloat(x, y) {- Module.print('float ' + x + ',' + y);// + ' ' + new Error().stack);-}
-// EMSCRIPTEN_START_ASM
-var asm=(function(global,env,buffer){"use asm";var a=new global.Int8Array(buffer);var b=new global.Int16Array(buffer);var c=new global.Int32Array(buffer);var d=new global.Uint8Array(buffer);var e=new global.Uint16Array(buffer);var f=new global.Uint32Array(buffer);var g=new global.Float32Array(buffer);var h=new global.Float64Array(buffer);var i=env.STACKTOP|0;var j=env.STACK_MAX|0;var k=env.tempDoublePtr|0;var l=env.ABORT|0;var m=env._stderr|0;var n=0;var o=0;var p=0;var q=0;var r=+env.NaN,s=+env.Infinity;var t=0,u=0,v=0,w=0,x=0.0,y=0,z=0,A=0,B=0.0;var C=0;var D=0;var E=0;var F=0;var G=0;var H=0;var I=0;var J=0;var K=0;var L=0;var M=global.Math.floor;var N=global.Math.abs;var O=global.Math.sqrt;var P=global.Math.pow;var Q=global.Math.cos;var R=global.Math.sin;var S=global.Math.tan;var T=global.Math.acos;var U=global.Math.asin;var V=global.Math.atan;var W=global.Math.atan2;var X=global.Math.exp;var Y=global.Math.log;var Z=global.Math.ceil;var _=global.Math.imul;var $=env.abort;var aa=env.assert;var ba=env.asmPrintInt;var ca=env.asmPrintFloat;var da=env.min;var ea=env._llvm_lifetime_start;var fa=env._fflush;var ga=env.__formatString;var ha=env._time;var ia=env._send;var ja=env._pwrite;var ka=env._abort;var la=env.__reallyNegative;var ma=env._fwrite;var na=env._sbrk;var oa=env._mkport;var pa=env._fprintf;var qa=env.___setErrNo;var ra=env._llvm_lifetime_end;var sa=env._fileno;var ta=env._write;var ua=env._emscripten_memcpy_big;var va=env._sysconf;var wa=env.___errno_location;var xa=0.0;-// EMSCRIPTEN_START_FUNCS
-function Eb(b,e,f){b=b|0;e=e|0;f=f|0;var g=0,h=0,j=0,k=0,l=0,m=0,n=0,o=0;g=i;h=c[e>>2]|0;if((h|0)==16777215){i=g;return}j=f>>>0<16;k=j?16:8;l=j?f:f&3;l=(_(c[4648+(l<<2)>>2]|0,k)|0)+(c[4584+(l<<2)>>2]|0)|0;n=b+l|0;j=c[e+4>>2]|0;m=b+(l+1)|0;f=d[m]|0;a[n]=a[4712+(h+512+(d[n]|0))|0]|0;n=c[e+8>>2]|0;h=b+(l+2)|0;o=d[h]|0;a[m]=a[4712+(j+512+f)|0]|0;m=b+(l+3)|0;f=a[4712+((c[e+12>>2]|0)+512+(d[m]|0))|0]|0;a[h]=a[4712+(n+512+o)|0]|0;a[m]=f;l=l+k|0;m=b+l|0;f=c[e+20>>2]|0;h=b+(l+1)|0;o=d[h]|0;a[m]=a[4712+((c[e+16>>2]|0)+512+(d[m]|0))|0]|0;m=c[e+24>>2]|0;n=b+(l+2)|0;j=d[n]|0;a[h]=a[4712+(f+512+o)|0]|0;h=b+(l+3)|0;o=a[4712+((c[e+28>>2]|0)+512+(d[h]|0))|0]|0;a[n]=a[4712+(m+512+j)|0]|0;a[h]=o;l=l+k|0;h=b+l|0;o=c[e+36>>2]|0;n=b+(l+1)|0;j=d[n]|0;a[h]=a[4712+((c[e+32>>2]|0)+512+(d[h]|0))|0]|0;h=c[e+40>>2]|0;m=b+(l+2)|0;f=d[m]|0;a[n]=a[4712+(o+512+j)|0]|0;n=b+(l+3)|0;j=a[4712+((c[e+44>>2]|0)+512+(d[n]|0))|0]|0;a[m]=a[4712+(h+512+f)|0]|0;a[n]=j;k=l+k|0;l=b+k|0;n=c[e+52>>2]|0;j=b+(k+1)|0;m=d[j]|0;a[l]=a[4712+((c[e+48>>2]|0)+512+(d[l]|0))|0]|0;l=c[e+56>>2]|0;f=b+(k+2)|0;h=d[f]|0;a[j]=a[4712+(n+512+m)|0]|0;k=b+(k+3)|0;j=a[4712+((c[e+60>>2]|0)+512+(d[k]|0))|0]|0;a[f]=a[4712+(l+512+h)|0]|0;a[k]=j;i=g;return}function Fb(a,d,e,f,g){a=a|0;d=d|0;e=e|0;f=f|0;g=g|0;var h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0;h=i;i=i+48|0;s=h;r=h+8|0;w=h+16|0;x=h+24|0;m=h+32|0;n=h+40|0;_c(d|0,0,2088)|0;q=Rc(a,m)|0;A=c[m>>2]|0;do{if((f|0)==2|(f|0)==7){f=A+6|0;if(f>>>0<32&(q|0)==0){c[d>>2]=f;break}else{A=1;i=h;return A|0}}else{f=A+1|0;if(f>>>0<32&(q|0)==0){c[d>>2]=f;break}else{A=1;i=h;return A|0}}}while(0);q=d;a:do{if((f|0)==31){while(1){if((Ic(a)|0)!=0){break}if((Fc(a,1)|0)!=0){z=1;t=99;break}}if((t|0)==99){i=h;return z|0}e=0;d=d+328|0;while(1){j=Fc(a,8)|0;c[m>>2]=j;if((j|0)==-1){z=1;break}c[d>>2]=j;e=e+1|0;if(e>>>0<384){d=d+4|0}else{break a}}i=h;return z|0}else{b:do{if(f>>>0<6){if((f|0)==0|(f|0)==1){u=r;v=s}else if((f|0)==3|(f|0)==2){u=r;v=s}else{A=0;while(1){if((Rc(a,w)|0)!=0){z=1;t=99;break}t=c[w>>2]|0;if(t>>>0>3){z=1;t=99;break}c[d+(A<<2)+176>>2]=t;A=A+1|0;if(!(A>>>0<4)){t=18;break}}if((t|0)==18){c:do{if(g>>>0<2|(f|0)==5){y=0}else{t=g>>>0>2|0;z=0;while(1){if((Uc(a,w,t)|0)!=0){z=1;t=99;break}A=c[w>>2]|0;if(!(A>>>0<g>>>0)){z=1;t=99;break}c[d+(z<<2)+192>>2]=A;z=z+1|0;if(!(z>>>0<4)){y=0;break c}}if((t|0)==99){i=h;return z|0}}}while(0);d:while(1){t=c[d+(y<<2)+176>>2]|0;if((t|0)==0){t=0}else if((t|0)==2|(t|0)==1){t=1}else{t=3}c[w>>2]=t;t=0;while(1){z=Sc(a,x)|0;if((z|0)!=0){t=99;break d}b[d+(y<<4)+(t<<2)+208>>1]=c[x>>2];z=Sc(a,x)|0;if((z|0)!=0){t=99;break d}b[d+(y<<4)+(t<<2)+210>>1]=c[x>>2];A=c[w>>2]|0;c[w>>2]=A+ -1;if((A|0)==0){break}else{t=t+1|0}}y=y+1|0;if(!(y>>>0<4)){p=2;t=72;break b}}if((t|0)==99){i=h;return z|0}}else if((t|0)==99){i=h;return z|0}}if(g>>>0>1){if((f|0)==3|(f|0)==2){w=1}else if((f|0)==0|(f|0)==1){w=0}else{w=3}t=g>>>0>2|0;x=0;while(1){if((Uc(a,s,t)|0)!=0){o=1;t=70;break b}y=c[s>>2]|0;if(!(y>>>0<g>>>0)){o=1;t=70;break b}c[d+(x<<2)+144>>2]=y;if((w|0)==0){break}else{w=w+ -1|0;x=x+1|0}}}if((f|0)==0|(f|0)==1){t=0;s=0}else if((f|0)==3|(f|0)==2){t=1;s=0}else{t=3;s=0}while(1){g=Sc(a,r)|0;if((g|0)!=0){o=g;t=70;break b}b[d+(s<<2)+160>>1]=c[r>>2];g=Sc(a,r)|0;if((g|0)!=0){o=g;t=70;break b}b[d+(s<<2)+162>>1]=c[r>>2];if((t|0)==0){p=2;t=72;break}else{t=t+ -1|0;s=s+1|0}}}else{v=(f|0)!=6;u=v&1;f=s;g=r;if((u|0)==0){c[r>>2]=0;t=0;while(1){w=Gc(a)|0;c[s>>2]=w;A=w>>>31;c[d+(t<<2)+12>>2]=A;if((A|0)==0){c[d+(t<<2)+76>>2]=w>>>28&7;w=w<<4;y=1}else{w=w<<1;y=0}x=t|1;A=w>>>31;c[d+(x<<2)+12>>2]=A;if((A|0)==0){c[d+(x<<2)+76>>2]=w>>>28&7;w=w<<4;y=y+1|0}else{w=w<<1}x=x+1|0;A=w>>>31;c[d+(x<<2)+12>>2]=A;if((A|0)==0){c[d+(x<<2)+76>>2]=w>>>28&7;x=w<<4;y=y+1|0}else{x=w<<1}w=t|3;A=x>>>31;c[d+(w<<2)+12>>2]=A;if((A|0)==0){c[d+(w<<2)+76>>2]=x>>>28&7;x=x<<4;y=y+1|0}else{x=x<<1}z=w+1|0;A=x>>>31;c[d+(z<<2)+12>>2]=A;if((A|0)==0){c[d+(z<<2)+76>>2]=x>>>28&7;x=x<<4;y=y+1|0}else{x=x<<1}z=w+2|0;A=x>>>31;c[d+(z<<2)+12>>2]=A;if((A|0)==0){c[d+(z<<2)+76>>2]=x>>>28&7;x=x<<4;y=y+1|0}else{x=x<<1}w=w+3|0;A=x>>>31;c[d+(w<<2)+12>>2]=A;if((A|0)==0){c[d+(w<<2)+76>>2]=x>>>28&7;w=x\ No newline at end of file
-
-
-
-function ya(a){a=a|0;var b=0;b=i;i=i+a|0;i=i+7&-8;return b|0}function za(){return i|0}function Aa(a){a=a|0;i=a}function Ba(a,b){a=a|0;b=b|0;if((n|0)==0){n=a;o=b}}function Ca(b){b=b|0;a[k]=a[b];a[k+1|0]=a[b+1|0];a[k+2|0]=a[b+2|0];a[k+3|0]=a[b+3|0]}function Da(b){b=b|0;a[k]=a[b];a[k+1|0]=a[b+1|0];a[k+2|0]=a[b+2|0];a[k+3|0]=a[b+3|0];a[k+4|0]=a[b+4|0];a[k+5|0]=a[b+5|0];a[k+6|0]=a[b+6|0];a[k+7|0]=a[b+7|0]}function Ea(a){a=a|0;C=a}function Fa(a){a=a|0;D=a}function Ga(a){a=a|0;E=a}function Ha(a){a=a|0;F=a}function Ia(a){a=a|0;G=a}function Ja(a){a=a|0;H=a}function Ka(a){a=a|0;I=a}function La(a){a=a|0;J=a}function Ma(a){a=a|0;K=a}function Na(a){a=a|0;L=a}function Oa(b,e,f,g){b=b|0;e=e|0;f=f|0;g=g|0;var h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;h=i;a:do{if(e>>>0>3){if((a[b]|0)!=0){j=19;break}if((a[b+1|0]|0)!=0){j=19;break}m=a[b+2|0]|0;if(!((m&255)<2)){j=19;break}b:do{if((e|0)!=3){l=-3;k=3;j=b+3|0;o=2;while(1){if(m<<24>>24==0){o=o+1|0}else if(m<<24>>24==1){if(o>>>0>1){p=k;o=0;m=0;n=0;break}else{o=0}}else{o=0}n=k+1|0;if((n|0)==(e|0)){break b}l=~k;m=a[j]|0;k=n;j=j+1|0}while(1){r=a[j]|0;q=p+1|0;s=r<<24>>24!=0;n=(s&1^1)+n|0;o=r<<24>>24==3&(n|0)==2?1:o;if(r<<24>>24==1&n>>>0>1){j=14;break}if(s){m=n>>>0>2?1:m;n=0}if((q|0)==(e|0)){j=18;break}else{j=j+1|0;p=q}}if((j|0)==14){e=l+p-n|0;c[f+12>>2]=e;n=n-(n>>>0<3?n:3)|0;break a}else if((j|0)==18){e=l+e-n|0;c[f+12>>2]=e;break a}}}while(0);c[g>>2]=e;s=1;i=h;return s|0}else{j=19}}while(0);if((j|0)==19){c[f+12>>2]=e;o=1;k=0;m=0;n=0}b=b+k|0;c[f>>2]=b;c[f+4>>2]=b;c[f+8>>2]=0;c[f+16>>2]=0;f=f+12|0;c[g>>2]=n+k+e;if((m|0)!=0){s=1;i=h;return s|0}if((o|0)==0){s=0;i=h;return s|0}k=c[f>>2]|0;l=b;g=b;m=0;c:while(1){e=k;b=l;while(1){k=e+ -1|0;if((e|0)==0){j=31;break c}e=a[b]|0;if((m|0)!=2){break}if(!(e<<24>>24==3)){j=29;break}if((k|0)==0){g=1;j=32;break c}b=b+1|0;if((d[b]|0)>3){g=1;j=32;break c}else{m=0;e=k}}if((j|0)==29){j=0;if((e&255)<3){g=1;j=32;break}else{m=2}}a[g]=e;l=b+1|0;g=g+1|0;m=e<<24>>24==0?m+1|0:0}if((j|0)==31){c[f>>2]=g-b+(c[f>>2]|0);s=0;i=h;return s|0}else if((j|0)==32){i=h;return g|0}return 0}function Pa(a,b,f,g){a=a|0;b=b|0;f=f|0;g=g|0;var h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0;j=i;i=i+128|0;h=j;l=j+64|0;o=Gc(a)|0;M=o>>>16;do{if(f>>>0<2){if((o|0)<0){J=1;break}if(o>>>0>201326591){K=e[648+(o>>>26<<1)>>1]|0;L=25;break}if(o>>>0>16777215){K=e[712+(o>>>22<<1)>>1]|0;L=25;break}if(o>>>0>2097151){K=e[808+((o>>>18)+ -8<<1)>>1]|0;L=25;break}else{K=e[920+(M<<1)>>1]|0;L=25;break}}else{if(f>>>0<4){if((o|0)<0){J=(M&16384|0)!=0?2:2082;break}if(o>>>0>268435455){K=e[984+(o>>>26<<1)>>1]|0;L=25;break}if(o>>>0>33554431){K=e[1048+(o>>>23<<1)>>1]|0;L=25;break}else{K=e[1112+(o>>>18<<1)>>1]|0;L=25;break}}else{if(f>>>0<8){K=o>>>26;if((K+ -8|0)>>>0<56){K=e[1368+(K<<1)>>1]|0;L=25;break}K=e[1496+(o>>>22<<1)>>1]|0;L=25;break}if(f>>>0<17){K=e[1752+(o>>>26<<1)>>1]|0;L=25;break}K=o>>>29;if((K|0)!=0){K=e[1880+(K<<1)>>1]|0;L=25;break}K=e[1896+(o>>>24<<1)>>1]|0;L=25;break}}}while(0);do{if((L|0)==25){if((K|0)==0){q=1}else{J=K;break}i=j;return q|0}}while(0);K=J&31;f=o<<K;L=32-K|0;o=J>>>11&31;if(o>>>0>g>>>0){O=1;i=j;return O|0}J=J>>>5&63;do{if((o|0)==0){n=L;p=0}else{if((J|0)==0){M=0}else{do{if(L>>>0<J>>>0){if((Hc(a,K)|0)==-1){O=1;i=j;return O|0}else{L=32;f=Gc(a)|0;break}}}while(0);K=f>>>(32-J|0);f=f<<J;M=0;N=1<<J+ -1;do{c[h+(M<<2)>>2]=(N&K|0)!=0?-1:1;N=N>>>1;M=M+1|0;}while((N|0)!=0);L=L-J|0}K=J>>>0<3;a:do{if(M>>>0<o>>>0){N=o>>>0>10&K&1;b:while(1){if(L>>>0<16){if((Hc(a,32-L|0)|0)==-1){q=1;L=127;break}O=32;f=Gc(a)|0}else{O=L}do{if((f|0)<0){E=0;L=56}else{if(f>>>0>1073741823){E=1;L=56;break}if(f>>>0>536870911){E=2;L=56;break}if(f>>>0>268435455){E=3;L=56;break}if(f>>>0>134217727){E=4;L=56;break}if(f>>>0>67108863){E=5;L=56;break}if(f>>>0>33554431){E=6;L=56;break}if(f>>>0>16777215){E=7;L=56;break}if(f>>>0>8388607){E=8;L=56;break}if(f>>>0>4194303){E=9;L=56;break}if(f>>>0>2097151){E=10;L=56;break}if(f>>>0>1048575){E=11;L=56;break}if(f>>>0>524287){E=12;L=56;break}if(f>>>0>262143){E=13;L=56;break}if(f>>>0>131071){A=O+ -15|0;v=f<<15;D=14;C=(N|0)!=0?\ No newline at end of file
-
-
-
-
-// EMSCRIPTEN_END_FUNCS
-return{_h264bsdCroppingParams:hb,_h264bsdDecode:$a,_h264bsdInit:_a,_memset:_c,_h264bsdNextOutputPictureRGBA:cb,_h264bsdAlloc:ib,_h264bsdShutdown:ab,_h264bsdPicHeight:eb,_strlen:$c,_malloc:Xc,_h264bsdNextOutputPicture:bb,_h264bsdPicWidth:db,_memcpy:ad,_free:Yc,_h264bsdConvertToRGBA:fb,_h264bsdFree:jb,_h264bsdCheckValidParamSets:gb,runPostSets:Zc,stackAlloc:ya,stackSave:za,stackRestore:Aa,setThrew:Ba,setTempRet0:Ea,setTempRet1:Fa,setTempRet2:Ga,setTempRet3:Ha,setTempRet4:Ia,setTempRet5:Ja,setTempRet6:Ka,setTempRet7:La,setTempRet8:Ma,setTempRet9:Na}})-
+cks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback();continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){Runtime.dynCall("v",func)}else{Runtime.dynCall("vi",func,[callback.arg])}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATEXIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function ensureInitRuntime(){if(runtimeInitialized)return;runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){callRuntimeCallbacks(__ATEXIT__);runtimeExited=true}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}Module["addOnPreRun"]=Module.addOnPreRun=addOnPreRun;function addOnInit(cb){__ATINIT__.unshift(cb)}Module["addOnInit"]=Module.addOnInit=addOnInit;function addOnPreMain(cb){__ATMAIN__.unshift(cb)}Module["addOnPreMain"]=Module.addOnPreMain=addOnPreMain;function addOnExit(cb){__ATEXIT__.unshift(cb)}Module["addOnExit"]=Module.addOnExit=addOnExit;function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}Module["addOnPostRun"]=Module.addOnPostRun=addOnPostRun;function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}Module["intArrayFromString"]=intArrayFromString;function intArrayToString(array){var ret=[];for(var i=0;i<array.length;i++){var chr=array[i];if(chr>255){chr&=255}ret.push(String.fromCharCode(chr))}return ret.join("")}Module["intArrayToString"]=intArrayToString;function writeStringToMemory(string,buffer,dontAddNull){var array=intArrayFromString(string,dontAddNull);var i=0;while(i<array.length){var chr=array[i];HEAP8[buffer+i>>0]=chr;i=i+1}}Module["writeStringToMemory"]=writeStringToMemory;function writeArrayToMemory(array,buffer){for(var i=0;i<array.length;i++){HEAP8[buffer++>>0]=array[i]}}Module["writeArrayToMemory"]=writeArrayToMemory;function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i<str.length;++i){HEAP8[buffer++>>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}Module["writeAsciiToMemory"]=writeAsciiToMemory;function unSign(value,bits,ignore){if(value>=0){return value}return bits<=32?2*Math.abs(1<<bits-1)+value:Math.pow(2,bits)+value}function reSign(value,bits,ignore){if(value<=0){return value}var half=bits<=32?Math.abs(1<<bits-1):Math.pow(2,bits-1);if(value>=half&&(bits<=32||value>half)){value=-2*half+value}return value}if(!Math["imul"]||Math["imul"](4294967295,5)!==-5)Math["imul"]=function imul(a,b){var ah=a>>>16;var al=a&65535;var bh=b>>>16;var bl=b&65535;return al*bl+(ah*bl+al*bh<<16)|0};Math.imul=Math["imul"];if(!Math["clz32"])Math["clz32"]=(function(x){x=x>>>0;for(var i=0;i<32;i++){if(x&1<<31-i)return i}return 32});Math.clz32=Math["clz32"];var Math_abs=Math.abs;var Math_cos=Math.cos;var Math_sin=Math.sin;var Math_tan=Math.tan;var Math_acos=Math.acos;var Math_asin=Math.asin;var Math_atan=Math.atan;var Math_atan2=Math.atan2;var Math_exp=Math.exp;var Math_log=Math.log;var Math_sqrt=Math.sqrt;var Math_ceil=Math.ceil;var Math_floor=Math.floor;var Math_pow=Math.pow;var Math_imul=Math.imul;var Math_fround=Math.fround;var Math_min=Math.min;var Math_clz32=Math.clz32;var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}Module["addRunDependency"\ No newline at end of file
) {var ret = Math.floor(Date.now()/1000);
if (ptr) {--- a/js/h264bsd_canvas.js
+++ b/js/h264bsd_canvas.js
@@ -202,13 +202,13 @@
/**
* Draw yuvData in the best way possible
*/
-H264bsdCanvas.prototype.drawNextOutputPicture = function(decoder) {+H264bsdCanvas.prototype.drawNextOutputPicture = function(width, height, croppingParams, data) {var gl = this.contextGL;
if(gl) {- this.drawNextOuptutPictureGL(decoder);
+ this.drawNextOuptutPictureGL(width, height, croppingParams, data);
} else {- this.drawNextOuptutPictureRGBA(decoder);
+ this.drawNextOuptutPictureRGBA(width, height, croppingParams, data);
}
}
@@ -215,17 +215,13 @@
/**
* Draw the next output picture using WebGL
*/
-H264bsdCanvas.prototype.drawNextOuptutPictureGL = function(decoder) {+H264bsdCanvas.prototype.drawNextOuptutPictureGL = function(width, height, croppingParams, data) {var gl = this.contextGL;
var texturePosBuffer = this.texturePosBuffer;
var yTextureRef = this.yTextureRef;
var uTextureRef = this.uTextureRef;
- var vTextureRef = this.vTextureRef;
+ var vTextureRef = this.vTextureRef;
- var width = decoder.outputPictureWidth();
- var height = decoder.outputPictureHeight();
- var croppingParams = decoder.croppingParams();
-
if(croppingParams === null) {gl.viewport(0, 0, width, height);
} else {@@ -241,7 +237,7 @@
gl.bufferData(gl.ARRAY_BUFFER, texturePosValues, gl.DYNAMIC_DRAW);
}
- var i420Data = decoder.nextOutputPicture();
+ var i420Data = data;
var yDataLength = width * height;
var yData = i420Data.subarray(0, yDataLength);
@@ -267,14 +263,13 @@
/**
* Draw next output picture using ARGB data on a 2d canvas.
*/
-H264bsdCanvas.prototype.drawNextOuptutPictureRGBA = function(decoder) {+H264bsdCanvas.prototype.drawNextOuptutPictureRGBA = function(width, height, croppingParams, data) {var canvas = this.canvasElement;
- var width = decoder.outputPictureWidth();
- var height = decoder.outputPictureHeight();
- var croppingParams = decoder.croppingParams();
+
+ var croppingParams = null;
- var argbData = decoder.nextOutputPictureRGBA();
+ var argbData = data;
var ctx = canvas.getContext('2d');var imageData = ctx.getImageData(0, 0, width, height);
--- a/js/h264bsd_decoder.js
+++ b/js/h264bsd_decoder.js
@@ -32,6 +32,9 @@
* An output picture may also be decoded using an H264bsdCanvas.
* When you're done decoding, make sure to call release() to clean up internal buffers.
*/
+
+window = this;
+
function H264bsdDecoder(module) {this.module = module;
this.released = false;
@@ -87,11 +90,9 @@
var inputLength = this.inputLength;
var inputOffset = this.inputOffset;
- if(typeof data === 'undefined' || !(data instanceof ArrayBuffer)) {- throw new Error("data must be a ArrayBuffer instance")+ if (data instanceof ArrayBuffer) {+ data = new Uint8Array(data)
}
-
- data = new Uint8Array(data);
if(pInput === 0) {inputLength = data.byteLength;
@@ -117,6 +118,8 @@
this.pInput = pInput;
this.inputLength = inputLength;
this.inputOffset = inputOffset;
+
+ this.decode();
}
/**
@@ -133,43 +136,64 @@
* decode() will return H264bsdDecoder.NO_INPUT when there is no more data to be decoded.
*/
H264bsdDecoder.prototype.decode = function() {- var module = this.module;
- var pStorage = this.pStorage;
- var pInput = this.pInput;
- var inputLength = this.inputLength;
- var inputOffset = this.inputOffset;
+ try
+ {+ var module = this.module;
+ var pStorage = this.pStorage;
+ var pInput = this.pInput;
+ var inputLength = this.inputLength;
+ var inputOffset = this.inputOffset;
- if(pInput == 0) return H264bsdDecoder.NO_INPUT;
+ if(pInput == 0) {+ postMessage({statusCode: H264bsdDecoder.NO_INPUT})+ return;
+ }
- var pBytesRead = module._malloc(4);
+ setTimeout(function() {+ this.decode();
+ }.bind(this), 0);
- var retCode = module._h264bsdDecode(pStorage, pInput + inputOffset, inputLength - inputOffset, 0, pBytesRead);
+ var pBytesRead = module._malloc(4);
- var bytesRead = module.getValue(pBytesRead, 'i32');
- module._free(pBytesRead);
+ var bytesRead =0;
+ var retCode = module._h264bsdDecode(pStorage, pInput + inputOffset, inputLength - inputOffset, 0, pBytesRead);
+
+ if (retCode == 3 || retCode == 4 || retCode == 5)
+ bytesRead = 0;
+ else
+ bytesRead = module.getValue(pBytesRead, 'i32');
+
+ module._free(pBytesRead);
- inputOffset += bytesRead;
+ inputOffset += bytesRead;
- if(inputOffset >= inputLength) {- module._free(pInput);
- pInput = 0;
- inputOffset = 0;
- inputLength = 0;
- }
+ if(inputOffset >= inputLength) {+ module._free(pInput);
+ pInput = 0;
+ inputOffset = 0;
+ inputLength = 0;
+ }
- this.pInput = pInput;
- this.inputLength = inputLength;
- this.inputOffset = inputOffset;
+ this.pInput = pInput;
+ this.inputLength = inputLength;
+ this.inputOffset = inputOffset;
- if(retCode == H264bsdDecoder.PIC_RDY && this.onPictureReady instanceof Function) {- this.onPictureReady();
+ if(retCode == H264bsdDecoder.PIC_RDY) {+ var buf = this.nextOutputPicture();
+ postMessage(buf.buffer, [buf.buffer])
+ }
+ else if(retCode == H264bsdDecoder.HDRS_RDY) {+ postMessage({statusCode: retCode, croppingParams: this.croppingParams(), decoderWidth: this.outputPictureWidth(), decoderHeight: this.outputPictureHeight()})+ }
+ else
+ {+ postMessage({statusCode: retCode});+ }
+ }
+ catch (e)
+ {+ postMessage({statusCode: H264bsdDecoder.ERROR});}
-
- if(retCode == H264bsdDecoder.HDRS_RDY && this.onHeadersReady instanceof Function) {- this.onHeadersReady();
- }
-
- return retCode;
};
/**
@@ -276,19 +300,19 @@
var module = this.module;
var pStorage = this.pStorage;
- var pCroppingFlag = self._malloc(4);
- var pLeftOffset = self._malloc(4);
- var pWidth = self._malloc(4);
- var pTopOffset = self._malloc(4);
- var pHeight = self._malloc(4);
+ var pCroppingFlag = module._malloc(4);
+ var pLeftOffset = module._malloc(4);
+ var pWidth = module._malloc(4);
+ var pTopOffset = module._malloc(4);
+ var pHeight = module._malloc(4);
module._h264bsdCroppingParams(pStorage, pCroppingFlag, pLeftOffset, pWidth, pTopOffset, pHeight);
- var croppingFlag = self.Module.getValue(pCroppingFlag, 'i32');
- var leftOffset = self.Module.getValue(pLeftOffset, 'i32');
- var width = self.Module.getValue(pWidth, 'i32');
- var topOffset = self.Module.getValue(pTopOffset, 'i32');
- var height = self.Module.getValue(pHeight, 'i32');
+ var croppingFlag = module.getValue(pCroppingFlag, 'i32');
+ var leftOffset = module.getValue(pLeftOffset, 'i32');
+ var width = module.getValue(pWidth, 'i32');
+ var topOffset = module.getValue(pTopOffset, 'i32');
+ var height = module.getValue(pHeight, 'i32');
module._free(pCroppingFlag);
module._free(pLeftOffset);
@@ -305,3 +329,15 @@
'left': leftOffset
};
};
+
+try
+{+ var decoder = new H264bsdDecoder(Module)
+ addEventListener('message', function(e) { + decoder.queueInput(e.data)
+ });
+}
+catch(e)
+{+ postMessage({statusCode: H264bsdDecoder.ERROR});+}
\ No newline at end of file
--- a/js/test.html
+++ b/js/test.html
@@ -12,9 +12,8 @@
<!--This is where we will display decoded frames-->
<canvas id="canvas" width="640" height="480" style="border:solid;"></canvas>
- <script src="h264bsd_asm.js"></script>
- <script src="h264bsd_decoder.js"></script>
- <script src="h264bsd_canvas.js"></script>
+ <script src="h264bsd.min.js"></script>
+
<!--<script src="h264bsd.min.js"></script>-->
@@ -21,51 +20,61 @@
<script type="text/javascript">
var canvas = document.getElementById('canvas'); + StatusCode = {};+ StatusCode.RDY = 0;
+ StatusCode.PIC_RDY = 1;
+ StatusCode.HDRS_RDY = 2;
+ StatusCode.ERROR = 3;
+ StatusCode.PARAM_SET_ERROR = 4;
+ StatusCode.MEMALLOC_ERROR = 5;
+ StatusCode.NO_INPUT = 1024;
+
var pictureCount = 0;
var lastPictureCount = 0;
// Create the decoder and canvas
- var d = new H264bsdDecoder(Module);
- var c = new H264bsdCanvas(canvas);
+ var decoder = new Worker('h264bsd_decoder.min.js');+ var c = new H264bsdCanvas(canvas);
+ var croppingParams = null;
+ var decoderWidth = null;
+ var decoderHeight = null;
+
console.log('Created decoder and canvas');- // Render for each picture
- d.onPictureReady = function () {- c.drawNextOutputPicture(d);
- ++pictureCount;
- }
+ decoder.addEventListener('message', function(e){+ if (e.data.hasOwnProperty('statusCode'))+ {+ var statusCode = e.data.statusCode;
+ if (statusCode == StatusCode.HDRS_RDY)
+ {+ croppingParams = e.data.croppingParams;
+ if(croppingParams === null) {+ canvas.width = decoder.outputPictureWidth();
+ canvas.height = decoder.outputPictureHeight();
+ } else {+ canvas.width = croppingParams.width;
+ canvas.height = croppingParams.height;
+ }
- // Render for each picture
- d.onHeadersReady = function () {- var croppingParams = d.croppingParams();
-
- if(croppingParams === null) {- canvas.width = d.outputPictureWidth();
- canvas.height = d.outputPictureHeight();
- } else {- canvas.width = croppingParams.width;
- canvas.height = croppingParams.height;
+ decoderWidth = e.data.decoderWidth;
+ decoderHeight = e.data.decoderHeight;
+ }
+ else if (statusCode == StatusCode.NO_INPUT)
+ {+ var copy = new Uint8Array(buf)
+ decoder.postMessage(copy.buffer, [copy.buffer])
+ }
}
- }
+ else
+ {+ c.drawNextOutputPicture(decoderWidth, decoderHeight, croppingParams, new Uint8Array(e.data))
+ ++pictureCount;
+ }
+ });
- // Loop with setTimeout delay to allow UI to update.
- var loopBody = function() {- var retCode = d.decode();
- //console.log('Decoded data. Return code: ', retCode, ' bytes remaining: ', d.inputBytesRemaining());- switch(retCode) {- case H264bsdDecoder.NO_INPUT:
- //console.log('Decoding complete');- //d.release();
- d.queueInput(buf);
- setTimeout(loopBody, 0);
- break;
- default:
- setTimeout(loopBody, 0);
- break;
- }
- }
+
function updateFpsCount() {var picturesSinceLastUpdate = pictureCount - lastPictureCount;
var fpsDisplay = document.getElementById('fps_display');@@ -85,13 +94,13 @@
// Closure to capture the file information.
reader.onload = function(e) {- console.log('Queueing file data...');- buf = e.target.result;
- d.queueInput(buf);
+ buf = new Uint8Array(e.target.result);
+
+ var copy = new Uint8Array(buf)
+ decoder.postMessage(copy.buffer, [copy.buffer])
setInterval(updateFpsCount, 1000);
- console.log('Starting encode loop');- loopBody();
+ console.log('Starting encode loop'); };
// Read in the image file as a data URL.