ref: a7a31cf53a65f84f6edab3e2f067ef6423cb7a27
parent: afa77a8c5f8950e219fa994d6ceda27581448fed
author: JeffBezanson <jeff.bezanson@gmail.com>
date: Mon May 11 19:55:40 EDT 2009
fixing vararg apply to work properly
--- a/femtolisp/builtins.c
+++ b/femtolisp/builtins.c
@@ -33,7 +33,7 @@
value_t lst, first=NIL;
value_t *pcdr = &first;
cons_t *c;
- int i=0;
+ uint32_t i=0;
while (1) { if (i >= MAX_ARGS) {lst = car_(args[MAX_ARGS]);
--- a/femtolisp/compiler.lsp
+++ b/femtolisp/compiler.lsp
@@ -38,10 +38,9 @@
:vector? 1 :fixnum? 1
:cons 2 :car 1
:cdr 1 :set-car! 2
- :set-cdr! 2 :apply 2
+ :set-cdr! 2 := 2
:< 2 :compare 2
- :aref 2 :aset! 3
- := 2))
+ :aref 2 :aset! 3))
(define (make-code-emitter) (vector () (table) 0))
(define (emit e inst . args)
@@ -121,7 +120,8 @@
(set! i (+ i 1)))
((:loada :seta :call :tcall :loadv :loadg :setg
- :list :+ :- :* :/ :vector :argc :vargc :loadi8)
+ :list :+ :- :* :/ :vector :argc :vargc :loadi8
+ :apply :tapply)
(io.write bcode (uint8 nxt))
(set! i (+ i 1)))
@@ -346,14 +346,6 @@
head)))
(let ((b (and (builtin? head)
(builtin->instruction head))))
- (if (eq? b :apply)
- (cond ((length= x 4)
- (set! x `(,head ,(cadr x) (cons ,@(cddr x)))))
- ((length> x 4)
- (set! x `(,head ,(cadr x)
- (nconc (list ,@(list-head (cddr x)
- (- (length x) 3)))
- ,(car (last-pair x))))))))
(if (not b)
(compile-in g env #f head))
(let ((nargs (compile-arglist g env (cdr x))))
@@ -379,8 +371,10 @@
(:vector (if (= nargs 0)
(emit g :loadv [])
(emit g b nargs)))
- (else
- (emit g (if (and tail? (eq? b :apply)) :tapply b)))))
+ (:apply (if (< nargs 2)
+ (argc-error head 2)
+ (emit g (if tail? :tapply :apply) nargs)))
+ (else (emit g b))))
(emit g (if tail? :tcall :call) nargs)))))))
(define (fits-i8 x) (and (fixnum? x) (>= x -128) (<= x 127)))
@@ -484,7 +478,7 @@
(set! i (+ i 1)))
((:loada :seta :call :tcall :list :+ :- :* :/ :vector
- :argc :vargc :loadi8)
+ :argc :vargc :loadi8 :apply :tapply)
(princ (number->string (aref code i)))
(set! i (+ i 1)))
--- a/femtolisp/flisp.boot
+++ b/femtolisp/flisp.boot
@@ -7,7 +7,7 @@
untrace
#function("n1b0d1e031p42;" [#function("qe0Mb0<6T0d1f00d2d3d4d5e03131313142;];" [trace-lambda set-top-level-value! cadr caar last-pair caddr]) top-level-value])transpose
-#function("n1d0d1e0Ks;" [mapcar list])+#function("n1d0d1e0s3;" [mapcar list])trace
#function("n1b0d1e031p322b2;" [#function("qb0d1e031p42;" [#function("qb0d1e031p42;" [#function("qf10Mb0<@6\x920d1f20b0f00d2b3L1b4b5L2L1b6b7f20L2L2L1d8d9b:le03231b4b;L2L1d2b7f10L2L1d8e03132L136L342;];" [trace-lambda set-top-level-value! nconc begin princ "(" print quote copy-list map #function("n1b0b1b2L2b3e0L2L3;" [begin princ " " print]) ")\n"]) to-proper]) cadr]) top-level-value ok])to-proper
@@ -67,15 +67,15 @@
quote-value
#function("n1d0e0316>0e0;b1e0L2;" [self-evaluating? quote])println
-#function("o0d0e0Qd1302;" [print newline])+#function("o0d0e0Q2d1302;" [print newline])print-to-string
#function("n1b0d130p42;" [#function("qd0e0f00322d1e041;" [io.print io.tostring!]) buffer])print-exception
-#function("n1b0]]p43;" [#function("qb0li02b1li12f00F16[02f00Mb2<16[02d3f00a4326\x850e0b4d5f0031b6d7f0031b8352e1d9f0031315G1f00F16\x9f02f00Mb:<16\x9f02f00NF6\xb40e0b;d5f0031b<335G1f00F16\xc402f00Mb=<6\xd80e0b>312e0f00NQ5G1f00F16\xe802f00Mb?<6\x070d@d7f0031312e0bAd5f0031325G1dBf003116\x1c02d3f00a232691e0f00MbC322bDd5f0031p325G1e0bE312e1f00312e0dF312\\;" [#function("o0d0d1e0Ks;" [io.princ *error-stream*]) #function("o0d0d1e0Ks;" [io.print *error-stream*]) type-error length= "type-error: " cadr ": expected " caddr ", got " cadddr unbound-error "unbound-error: eval: variable " " has no value" error "error: " load-error print-exception "in file " list? ": " #function("qd0e03117?02e0C6H0f005K0f01e041;" [string?]) "*** Unhandled exception: " *linefeed*])])+#function("n1b0]]p43;" [#function("qb0li02b1li12f00F16[02f00Mb2<16[02d3f00a4326\x850e0b4d5f0031b6d7f0031b8352e1d9f0031315H1f00F16\x9f02f00Mb:<16\x9f02f00NF6\xb40e0b;d5f0031b<335H1f00F16\xc402f00Mb=<6\xd90e0b>312e0f00NQ25H1f00F16\xe902f00Mb?<6\x080d@d7f0031312e0bAd5f0031325H1dBf003116\x1d02d3f00a2326:1e0f00MbC322bDd5f0031p325H1e0bE312e1f00312e0dF312\\;" [#function("o0d0d1e0s3;" [io.princ *error-stream*]) #function("o0d0d1e0s3;" [io.print *error-stream*]) type-error length= "type-error: " cadr ": expected " caddr ", got " cadddr unbound-error "unbound-error: eval: variable " " has no value" error "error: " load-error print-exception "in file " list? ": " #function("qd0e03117?02e0C6H0f005K0f01e041;" [string?]) "*** Unhandled exception: " *linefeed*])])-#function("o0d0d1e0Ks;" [io.print *output-stream*])+#function("o0d0d1e0s3;" [io.print *output-stream*])princ
-#function("o0d0d1e0Ks;" [io.princ *output-stream*])+#function("o0d0d1e0s3;" [io.princ *output-stream*])positive?
#function("n1d0e0_42;" [>])peephole
@@ -87,7 +87,7 @@
nreconc
#function("n2d0d1e031e142;" [nconc nreverse])nlist*
-#function("o0e0N?6=0e0M;e0d0e0NQP;" [nlist*])+#function("o0e0N?6=0e0M;e0d0e0NQ2P;" [nlist*])newline
#function("n0d0d1312\\;" [princ *linefeed*])nestlist
@@ -103,7 +103,7 @@
mark-label
#function("n2d0e0d1e143;" [emit :label])mapcar
-#function("o1f00e0e142;" [] #0=[#function("n2e1A6=0e040;e1M?6H0e1M;e0d0d1e132Qf00e0d0d2e13232K;" [map car cdr] #0#) ()])+#function("o1f00e0e142;" [] #0=[#function("n2e1A6=0e040;e1M?6H0e1M;e0d0d1e132Q2f00e0d0d2e13232K;" [map car cdr] #0#) ()])map-int
#function("n2d0e1_326>0^;b1e0_31^K^p43;" [<= #function("qe0i12`f01`ub0lr2e0;" [#function("n1f01f10e031^KP2f01Nj01;" [])])])map!
@@ -119,9 +119,9 @@
make-code-emitter
#function("n0^d030_Y3;" [table])macroexpand-in
-#function("n2e0?6;0e0;b0d1e0Me132p42;" [#function("qe06L0d0d1e031f00NQd2e03142;b3d4f0031p42;" [macroexpand-in cadr caddr #function("qe06E0d0e0f10NQf1142;f10Mb1<6S0f10;f10Mb2<6\x800d3b2d4f1031d0d5f1031f1132d6f103144;f10Mb7<6\xa20b8d4f1031d9d:f103131p43;d;b<lf1042;" [macroexpand-in quote lambda nlist* cadr caddr cdddr let-syntax #function("qd0e1d1d2b3le032f213242;" [macroexpand-in nconc map #function("n1e0Md0d1e031f3132f31L3;" [macroexpand-in cadr])]) f-body cddr map #function("n1d0e0f2142;" [macroexpand-in])]) macrocall?]) assq])+#function("n2e0?6;0e0;b0d1e0Me132p42;" [#function("qe06M0d0d1e031f00NQ2d2e03142;b3d4f0031p42;" [macroexpand-in cadr caddr #function("qe06F0d0e0f10NQ2f1142;f10Mb1<6T0f10;f10Mb2<6\x810d3b2d4f1031d0d5f1031f1132d6f103144;f10Mb7<6\xa30b8d4f1031d9d:f103131p43;d;b<lf1042;" [macroexpand-in quote lambda nlist* cadr caddr cdddr let-syntax #function("qd0e1d1d2b3le032f213242;" [macroexpand-in nconc map #function("n1e0Md0d1e031f3132f31L3;" [macroexpand-in cadr])]) f-body cddr map #function("n1d0e0f2142;" [macroexpand-in])]) macrocall?]) assq])macroexpand-1
-#function("n1e0?6;0e0;b0d1e031p42;" [#function("qe06>0e0f00Ns;f00;" []) macrocall?])+#function("n1e0?6;0e0;b0d1e031p42;" [#function("qe06?0e0f00Ns2;f00;" []) macrocall?])macroexpand
#function("n1d0e0^42;" [macroexpand-in])macrocall?
@@ -143,9 +143,9 @@
list-head
#function("n2d0e1_326>0^;e0Md1e0Ne1`u32K;" [<= list-head])list->vector
-#function("n1d0e0s;" [vector])+#function("n1d0e0s2;" [vector])list*
-#function("o0e0N?6=0e0M;e0Md0e0NQK;" [list*])+#function("o0e0N?6=0e0M;e0Md0e0NQ2K;" [list*])length>
#function("n2e1_W6<0e0;e1_V6N0e0F16M02e0;e0A6Y0e1_W;d0e0Ne1`u42;" [length>])length=
@@ -169,7 +169,7 @@
hex5
#function("n1d0d1e0a@32a5b243;" [string.lpad number->string #\0])get-defined-vars
-#function("n1d0f00e03141;" [delete-duplicates] #0=[#function("n1e0?6:0^;e0Mb0<16I02e0NF6\x8c0d1e031C16`02d1e031L117\x8b02d1e031F16\x8502d2e031C16\x8502d2e031L117\x8b02^;e0Mb3<6\xa30d4d5f00e0N32s;^;" [define cadr caadr begin append map] #0#) ()])+#function("n1d0f00e03141;" [delete-duplicates] #0=[#function("n1e0?6:0^;e0Mb0<16I02e0NF6\x8c0d1e031C16`02d1e031L117\x8b02d1e031F16\x8502d2e031C16\x8502d2e031L117\x8b02^;e0Mb3<6\xa40d4d5f00e0N32s2;^;" [define cadr caadr begin append map] #0#) ()])for-each
#function("n2e1F6J0e0e1M312d0e0e1N42;\\;" [for-each])foldr
@@ -193,7 +193,7 @@
error
#function("o0d0b1e0K41;" [raise error])encode-byte-code
-#function("n1b0d1d2e03131p42;" [#function("qb0d1d2e031a3d3b4le032T2tb532p42;" [#function("qb0d1f0031p42;" [#function("qb0d1e031_d230d230d330]p47;" [#function("q]e1e0W6\xbc02f00e1Zi52e5d0<6k0d1e2f00e1`tZd2e431332e1a2ti15\xb90d3e4d4d5d6f1016\x8502d7e5b8326\x920b9e5p325\x940e53231322e1`ti12e1e0W6\xb80b:f00e1Zp325\xb90]5202d;b<le3322d=e441;" [:label put! sizeof io.write byte get Instructions memq (:jmp :brt :brf) #function("qe0d0=6<0d1;e0d2=6G0d3;e0d4=6R0d5;];" [:jmp :jmp.l :brt :brt.l :brf :brf.l]) #function("qb0f05p42;" [#function("qd0e0b1326T0d2f14d3f0031322f11`tj11;d0e0b4326w0d2f14d5f0031322f11`tj11;d0e0b6326\xb60d2f14d5f0031322f11`tj112d2f14d5f20f11Z31322f11`tj11;d0e0b7326\xf40d8f13d9f1431f00332d2f14f306\xe30d35\xe50d:_31322f11`tj11;];" [memv (:loadv.l :loadg.l :setg.l) io.write uint32 (:loada :seta :call :tcall :loadv :loadg :setg :list :+ :- :* :/ :vector :argc :vargc :loadi8) uint8 (:loadc :setc) (:jmp :brf :brt) put! sizeof uint16])]) table.foreach #function("n2d0f04e0322d1f04f206L0d25N0d3d4f02e1323142;" [io.seek io.write uint32 uint16 get]) io.tostring!]) length table buffer]) list->vector]) >= length count #function("n1d0e0b142;" [memq (:loadv :loadg :setg :jmp :brt :brf)]) 65536]) peephole nreverse])+#function("n1b0d1d2e03131p42;" [#function("qb0d1d2e031a3d3b4le032T2tb532p42;" [#function("qb0d1f0031p42;" [#function("qb0d1e031_d230d230d330]p47;" [#function("q]e1e0W6\xbc02f00e1Zi52e5d0<6k0d1e2f00e1`tZd2e431332e1a2ti15\xb90d3e4d4d5d6f1016\x8502d7e5b8326\x920b9e5p325\x940e53231322e1`ti12e1e0W6\xb80b:f00e1Zp325\xb90]5202d;b<le3322d=e441;" [:label put! sizeof io.write byte get Instructions memq (:jmp :brt :brf) #function("qe0d0=6<0d1;e0d2=6G0d3;e0d4=6R0d5;];" [:jmp :jmp.l :brt :brt.l :brf :brf.l]) #function("qb0f05p42;" [#function("qd0e0b1326T0d2f14d3f0031322f11`tj11;d0e0b4326w0d2f14d5f0031322f11`tj11;d0e0b6326\xb60d2f14d5f0031322f11`tj112d2f14d5f20f11Z31322f11`tj11;d0e0b7326\xf40d8f13d9f1431f00332d2f14f306\xe30d35\xe50d:_31322f11`tj11;];" [memv (:loadv.l :loadg.l :setg.l) io.write uint32 (:loada :seta :call :tcall :loadv :loadg :setg :list :+ :- :* :/ :vector :argc :vargc :loadi8 :apply :tapply) uint8 (:loadc :setc) (:jmp :brf :brt) put! sizeof uint16])]) table.foreach #function("n2d0f04e0322d1f04f206L0d25N0d3d4f02e1323142;" [io.seek io.write uint32 uint16 get]) io.tostring!]) length table buffer]) list->vector]) >= length count #function("n1d0e0b142;" [memq (:loadv :loadg :setg :jmp :brt :brf)]) 65536]) peephole nreverse])emit-nothing
#function("n1e0;" [])emit
@@ -201,7 +201,7 @@
display
#function("n1d0e0312\\;" [princ])disassemble
-#function("o1e1A6J0d0e0_322d1302\\;5K0]2b2d3e031e1Mp43;" [disassemble newline #function("qb0e0_Ze0`Zp43;" [#function("qb0]p42;" [#function("qb0li02b1_d2f0031p43;" [#function("n1e0J16>02e0G@6T0d0b1312d2e0f21`t42;d3e041;" [princ "\n" disassemble print]) #function("q]e0e1W6M02b0d1b2l]d333p32520;" [#function("qd0f00_326C0d1305D0]2_f31`ub2lr2d3d4f0031b5d6d7e031`32b8342f00`tj002b9e0p42;" [> newline #function("n1d0b141;" [princ "\t"]) princ hex5 ": " string.tail string "\t" #function("qd0e0b1326Z0f20f31d2f30f1032Z312f10a4tj10;d0e0b3326\x7f0f20f31f30f10ZZ312f10`tj10;d0e0b4326\xa30d5d6f30f10Z31312f10`tj10;d0e0b7326\xe20d5d6f30f10Z31b8322f10`tj102d5d6f30f10Z31312f10`tj10;d0e0b9326\x0c0d5b:d;d<f30f103231322f10a2tj10;d0e0b=32661d5b:d;d2f30f103231322f10a4tj10;];" [memv (:loadv.l :loadg.l :setg.l) ref-uint32-LE (:loadv :loadg :setg) (:loada :seta :call :tcall :list :+ :- :* :/ :vector :argc :vargc :loadi8) princ number->string (:loadc :setc) " " (:jmp :brf :brt) "@" hex5 ref-uint16-LE (:jmp.l :brf.l :brt.l)])]) table.foldl #function("n3e217J02e1f20f00Z<16J02e0;" []) Instructions]) length])])]) function->vector])+#function("o1e1A6J0d0e0_322d1302\\;5K0]2b2d3e031e1Mp43;" [disassemble newline #function("qb0e0_Ze0`Zp43;" [#function("qb0]p42;" [#function("qb0li02b1_d2f0031p43;" [#function("n1e0J16>02e0G@6T0d0b1312d2e0f21`t42;d3e041;" [princ "\n" disassemble print]) #function("q]e0e1W6M02b0d1b2l]d333p32520;" [#function("qd0f00_326C0d1305D0]2_f31`ub2lr2d3d4f0031b5d6d7e031`32b8342f00`tj002b9e0p42;" [> newline #function("n1d0b141;" [princ "\t"]) princ hex5 ": " string.tail string "\t" #function("qd0e0b1326Z0f20f31d2f30f1032Z312f10a4tj10;d0e0b3326\x7f0f20f31f30f10ZZ312f10`tj10;d0e0b4326\xa30d5d6f30f10Z31312f10`tj10;d0e0b7326\xe20d5d6f30f10Z31b8322f10`tj102d5d6f30f10Z31312f10`tj10;d0e0b9326\x0c0d5b:d;d<f30f103231322f10a2tj10;d0e0b=32661d5b:d;d2f30f103231322f10a4tj10;];" [memv (:loadv.l :loadg.l :setg.l) ref-uint32-LE (:loadv :loadg :setg) (:loada :seta :call :tcall :list :+ :- :* :/ :vector :argc :vargc :loadi8 :apply :tapply) princ number->string (:loadc :setc) " " (:jmp :brf :brt) "@" hex5 ref-uint16-LE (:jmp.l :brf.l :brt.l)])]) table.foldl #function("n3e217J02e1f20f00Z<16J02e0;" []) Instructions]) length])])]) function->vector])delete-duplicates
#function("n1e0?6;0e0;b0e0Me0Np43;" [#function("qd0e0e1326C0d1e141;e0d1e131K;" [member delete-duplicates])])count
@@ -239,7 +239,7 @@
compile-f
#function("o2b0d130d2e131p43;" [#function("qf02A@6D0d0e0d1325w0d2e131A6_0d0e0d3d4e131335w0d0e0d5e1?6o0_5u0d4e131332d6e0d7e131f00K\\d8f0131342d0e0d9322d:d;e0_Z31d<e03142;" [emit :let lastcdr :argc length :vargc compile-in to-proper caddr :ret function encode-byte-code const-to-idx-vec]) make-code-emitter cadr])compile-call
-#function("n4b0e3Mp42;" [#function("qb0e0C16d02d1e0f0132@16d02e0E16d02d2e03116d02d3e031G6p0d3e0315r0e0p42;" [#function("qb0e0G16A02d1e031p42;" [#function("qe0d0<6\xb90d1f23a4326j0f00d2f2331d3b4L1d5d6f23313132L3j235\xb60d7f23a4326\xb50f00d2f2331b3d3b8L1d5d9d6f2331d:f2331a3u323132d;f2331ML3L3j235\xb60]5\xba0]2e0@6\xd20d<f20f21]f00345\xd30]2b=d>f20f21f23N33p42;" [:apply length= cadr nconc cons copy-list cddr length> list list-head length last-pair compile-in #function("qf006G0b0d1d2f00]33p42;d3f30f326W0d45Y0d5e043;" [#function("qe016C02d0f43Ne032@6R0d1f20e0325S0]2b2f10p42;" [length= argc-error #function("qe0d0=6Y0f10_V6K0d1f50d242;d1f50f20f1043;e0d3=6\x940f10_V6s0d1f50d442;f10a2V6\x860d1f50d542;d1f50f20f1043;e0d6=6\xe00f10_V6\xad0d7f30`42;f10`V6\xbf0d1f50d842;f10a2V6\xd20d1f50d942;d1f50f20f1043;e0d:=6\x080f10_V6\xfa0d1f50d;42;d1f50f20f1043;e0d<=6/0f10_V6!0d7f30`42;d1f50f20f1043;e0d==6Y1f10_V6K1d1f50d>b?43;d1f50f20f1043;d1f50f5216l12f20d@<6t1dA5w1f2042;" [:list emit :loadnil :+ :load0 :add2 :- argc-error :neg :sub2 :* :load1 :/ :vector :loadv [] :apply :tapply])]) get arg-counts emit :tcall :call]) compile-arglist]) builtin->instruction]) in-env? constant? top-level-value])])+#function("n4b0e3Mp42;" [#function("qb0e0C16d02d1e0f0132@16d02e0E16d02d2e03116d02d3e031G6p0d3e0315r0e0p42;" [#function("qb0e0G16A02d1e031p42;" [#function("qe0@6H0d0f20f21]f00345I0]2b1d2f20f21f23N33p42;" [compile-in #function("qf006G0b0d1d2f00]33p42;d3f30f326W0d45Y0d5e043;" [#function("qe016C02d0f43Ne032@6R0d1f20e0325S0]2b2f10p42;" [length= argc-error #function("qe0d0=6Y0f10_V6K0d1f50d242;d1f50f20f1043;e0d3=6\x940f10_V6s0d1f50d442;f10a2V6\x860d1f50d542;d1f50f20f1043;e0d6=6\xe00f10_V6\xad0d7f30`42;f10`V6\xbf0d1f50d842;f10a2V6\xd20d1f50d942;d1f50f20f1043;e0d:=6\x080f10_V6\xfa0d1f50d;42;d1f50f20f1043;e0d<=6/0f10_V6!0d7f30`42;d1f50f20f1043;e0d==6Y1f10_V6K1d1f50d>b?43;d1f50f20f1043;e0d@=6\x8c1f10a2W6t1d7f30a242;d1f50f526\x841dA5\x861d@f1043;d1f50f2042;" [:list emit :loadnil :+ :load0 :add2 :- argc-error :neg :sub2 :* :load1 :/ :vector :loadv [] :apply :tapply])]) get arg-counts emit :tcall :call]) compile-arglist]) builtin->instruction]) in-env? constant? top-level-value])])compile-begin
#function("n4e3?6D0d0e0e1e2]44;e3N?6Y0d0e0e1e2e3M44;d0e0e1]e3M342d1e0d2322d3e0e1e2e3N44;" [compile-in emit :pop compile-begin])compile-arglist
@@ -295,11 +295,11 @@
argc-error
#function("n2d0d1b2e0b3e1e1`V6J0b45L0b53541;" [error string "compile error: " " expects " " argument." " arguments."])arg-counts
-#table(:not 1 :set-cdr! 2 :cons 2 :number? 1 :equal? 2 :cdr 1 :vector? 1 :eqv? 2 :apply 2 := 2 :atom? 1 :aref 2 :compare 2 :< 2 :null? 1 :eq? 2 :car 1 :set-car! 2 :builtin? 1 :aset! 3 :bound? 1 :boolean? 1 :pair? 1 :symbol? 1 :fixnum? 1)
+#table(:not 1 :set-cdr! 2 :cons 2 :number? 1 :equal? 2 :cdr 1 :vector? 1 :eqv? 2 := 2 :atom? 1 :aref 2 :compare 2 :< 2 :null? 1 :eq? 2 :car 1 :set-car! 2 :builtin? 1 :aset! 3 :bound? 1 :boolean? 1 :pair? 1 :symbol? 1 :fixnum? 1)
append2
#function("n2e0A6;0e1;e0Md0e0Ne132K;" [append2])append
-#function("o0e0A6:0^;e0NA6E0e0M;d0e0Md1e0NQ42;" [append2 append])+#function("o0e0A6:0^;e0NA6E0e0M;d0e0Md1e0NQ242;" [append2 append])any
#function("n2e1F16O02e0e1M3117O02d0e0e1N42;" [any])abs
--- a/femtolisp/flisp.c
+++ b/femtolisp/flisp.c
@@ -79,7 +79,7 @@
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, ANYARGS, 1, 1, 2, 2,
- 2,
+ -2,
ANYARGS, -1, ANYARGS, -1, 2, 2, 2,
ANYARGS, 2, 3 };
@@ -707,6 +707,39 @@
return v;
}
+// perform (apply list* L)
+// like the function list() above, but takes arguments from a list
+// rather than from an array (the stack)
+static value_t apply_liststar(value_t L)
+{+ PUSH(NIL);
+ PUSH(NIL);
+ PUSH(L);
+ value_t *pfirst = &Stack[SP-3];
+ value_t *plcons = &Stack[SP-2];
+ value_t *pL = &Stack[SP-1];
+ value_t c;
+ while (iscons(*pL)) {+ if (iscons(cdr_(*pL))) {+ c = mk_cons();
+ car_(c) = car_(*pL);
+ cdr_(c) = NIL;
+ }
+ else {+ // last element; becomes final CDR
+ c = car_(*pL);
+ }
+ if (*pfirst == NIL)
+ *pfirst = c;
+ else
+ cdr_(*plcons) = c;
+ *plcons = c;
+ *pL = cdr_(*pL);
+ }
+ POPN(2);
+ return POP();
+}
+
static value_t do_trycatch()
{uint32_t saveSP = SP;
@@ -819,6 +852,7 @@
case OP_POP: POPN(1); goto next_op;
case OP_TCALL:
n = code[ip++]; // nargs
+ do_tcall:
if (isfunction(Stack[SP-n-1])) {for(s=-1; s < (fixnum_t)n; s++)
Stack[bp+s] = Stack[SP-n+s];
@@ -851,11 +885,12 @@
SP--;
switch (op) {case OP_LIST: goto apply_list;
+ case OP_VECTOR: goto apply_vector;
+ case OP_APPLY: goto apply_apply;
case OP_ADD: goto apply_add;
case OP_SUB: goto apply_sub;
case OP_MUL: goto apply_mul;
case OP_DIV: goto apply_div;
- case OP_VECTOR: goto apply_vector;
default:
goto dispatch;
}
@@ -992,8 +1027,13 @@
case OP_TAPPLY:
case OP_APPLY:
- v = POP(); // arglist
- n = SP;
+ n = code[ip++];
+ apply_apply:
+ v = POP(); // arglist
+ if (n > MAX_ARGS) {+ v = apply_liststar(v);
+ }
+ n = SP-(n-2); // n-2 == # leading arguments not in the list
while (iscons(v)) { if (SP-n == MAX_ARGS) {PUSH(v);
@@ -1003,8 +1043,8 @@
v = cdr_(v);
}
n = SP-n;
- if (op==OP_TAPPLY) op = OP_TCALL;
- goto do_call;
+ if (op==OP_TAPPLY) goto do_tcall;
+ else goto do_call;
case OP_ADD:
n = code[ip++];