ref: 6b84c3a6548f1c577948763b0a09a7b6e2460e04
dir: purgatorio/utils/cc/cc.h
#include <lib9.h>
#include <bio.h>
#include <ctype.h>
#ifndef EXTERN
#define EXTERN extern
#endif
typedef struct Node Node;
typedef struct Sym Sym;
typedef struct Type Type;
typedef struct Funct Funct;
typedef struct Decl Decl;
typedef struct Io Io;
typedef struct Hist Hist;
typedef struct Term Term;
typedef struct Init Init;
typedef struct Bits Bits;
typedef Rune TRune; /* target system type */
#define NHUNK 50000L
#define BUFSIZ 8192
#define NSYMB 1500
#define NHASH 1024
#define STRINGSZ 200
#define HISTSZ 20
#define YYMAXDEPTH 1500
#define NTERM 10
#define MAXALIGN 7
#define SIGN(n) ((uvlong)1<<(n-1))
#define MASK(n) (SIGN(n)|(SIGN(n)-1))
#define BITS 5
#define NVAR (BITS*sizeof(ulong)*8)
struct Bits
{
ulong b[BITS];
};
struct Node
{
Node* left;
Node* right;
void* label;
long pc;
int reg;
long xoffset;
double fconst; /* fp constant */
vlong vconst; /* non fp const */
char* cstring; /* character string */
TRune* rstring; /* rune string */
Sym* sym;
Type* type;
long lineno;
char op;
char oldop;
char xcast;
char class;
char etype;
char complex;
char addable;
char scale;
char garb;
};
#define Z ((Node*)0)
struct Sym
{
Sym* link;
Type* type;
Type* suetag;
Type* tenum;
char* macro;
long varlineno;
long offset;
vlong vconst;
double fconst;
Node* label;
ushort lexical;
char *name;
ushort block;
ushort sueblock;
char class;
char sym;
char aused;
char sig;
};
#define S ((Sym*)0)
enum{
SIGNONE = 0,
SIGDONE = 1,
SIGINTERN = 2,
SIGNINTERN = 1729*325*1729,
};
struct Decl
{
Decl* link;
Sym* sym;
Type* type;
long varlineno;
long offset;
short val;
ushort block;
char class;
char aused;
};
#define D ((Decl*)0)
struct Type
{
Sym* sym;
Sym* tag;
Funct* funct;
Type* link;
Type* down;
long width;
long offset;
long lineno;
schar shift;
char nbits;
char etype;
char garb;
};
#define T ((Type*)0)
#define NODECL ((void(*)(int, Type*, Sym*))0)
struct Init /* general purpose initialization */
{
int code;
ulong value;
char* s;
};
EXTERN struct
{
char* p;
int c;
} fi;
struct Io
{
Io* link;
char* p;
char b[BUFSIZ];
short c;
short f;
};
#define I ((Io*)0)
struct Hist
{
Hist* link;
char* name;
long line;
long offset;
};
#define H ((Hist*)0)
EXTERN Hist* hist;
struct Term
{
vlong mult;
Node *node;
};
enum
{
Axxx,
Ael1,
Ael2,
Asu2,
Aarg0,
Aarg1,
Aarg2,
Aaut3,
NALIGN,
};
enum /* also in ../{8a,0a}.h */
{
Plan9 = 1<<0,
Unix = 1<<1,
Windows = 1<<2,
};
enum
{
DMARK,
DAUTO,
DSUE,
DLABEL,
};
enum
{
OXXX,
OADD,
OADDR,
OAND,
OANDAND,
OARRAY,
OAS,
OASI,
OASADD,
OASAND,
OASASHL,
OASASHR,
OASDIV,
OASHL,
OASHR,
OASLDIV,
OASLMOD,
OASLMUL,
OASLSHR,
OASMOD,
OASMUL,
OASOR,
OASSUB,
OASXOR,
OBIT,
OBREAK,
OCASE,
OCAST,
OCOMMA,
OCOND,
OCONST,
OCONTINUE,
ODIV,
ODOT,
ODOTDOT,
ODWHILE,
OENUM,
OEQ,
OFOR,
OFUNC,
OGE,
OGOTO,
OGT,
OHI,
OHS,
OIF,
OIND,
OINDREG,
OINIT,
OLABEL,
OLDIV,
OLE,
OLIST,
OLMOD,
OLMUL,
OLO,
OLS,
OLSHR,
OLT,
OMOD,
OMUL,
ONAME,
ONE,
ONOT,
OOR,
OOROR,
OPOSTDEC,
OPOSTINC,
OPREDEC,
OPREINC,
OPROTO,
OREGISTER,
ORETURN,
OSET,
OSIGN,
OSIZE,
OSTRING,
OLSTRING,
OSTRUCT,
OSUB,
OSWITCH,
OUNION,
OUSED,
OWHILE,
OXOR,
ONEG,
OCOM,
OPOS,
OELEM,
OTST, /* used in some compilers */
OINDEX,
OFAS,
OREGPAIR,
OEXREG,
OEND
};
enum
{
TXXX,
TCHAR,
TUCHAR,
TSHORT,
TUSHORT,
TINT,
TUINT,
TLONG,
TULONG,
TVLONG,
TUVLONG,
TFLOAT,
TDOUBLE,
TIND,
TFUNC,
TARRAY,
TVOID,
TSTRUCT,
TUNION,
TENUM,
TDOT,
NTYPE,
TAUTO = NTYPE,
TEXTERN,
TSTATIC,
TTYPEDEF,
TTYPESTR,
TREGISTER,
TCONSTNT,
TVOLATILE,
TUNSIGNED,
TSIGNED,
TFILE,
TOLD,
NALLTYPES,
/* adapt size of Rune to target system's size */
TRUNE = sizeof(TRune)==4? TUINT: TUSHORT,
};
enum
{
CXXX,
CAUTO,
CEXTERN,
CGLOBL,
CSTATIC,
CLOCAL,
CTYPEDEF,
CTYPESTR,
CPARAM,
CSELEM,
CLABEL,
CEXREG,
NCTYPES,
};
enum
{
GXXX = 0,
GCONSTNT = 1<<0,
GVOLATILE = 1<<1,
NGTYPES = 1<<2,
GINCOMPLETE = 1<<2,
};
enum
{
BCHAR = 1L<<TCHAR,
BUCHAR = 1L<<TUCHAR,
BSHORT = 1L<<TSHORT,
BUSHORT = 1L<<TUSHORT,
BINT = 1L<<TINT,
BUINT = 1L<<TUINT,
BLONG = 1L<<TLONG,
BULONG = 1L<<TULONG,
BVLONG = 1L<<TVLONG,
BUVLONG = 1L<<TUVLONG,
BFLOAT = 1L<<TFLOAT,
BDOUBLE = 1L<<TDOUBLE,
BIND = 1L<<TIND,
BFUNC = 1L<<TFUNC,
BARRAY = 1L<<TARRAY,
BVOID = 1L<<TVOID,
BSTRUCT = 1L<<TSTRUCT,
BUNION = 1L<<TUNION,
BENUM = 1L<<TENUM,
BFILE = 1L<<TFILE,
BDOT = 1L<<TDOT,
BCONSTNT = 1L<<TCONSTNT,
BVOLATILE = 1L<<TVOLATILE,
BUNSIGNED = 1L<<TUNSIGNED,
BSIGNED = 1L<<TSIGNED,
BAUTO = 1L<<TAUTO,
BEXTERN = 1L<<TEXTERN,
BSTATIC = 1L<<TSTATIC,
BTYPEDEF = 1L<<TTYPEDEF,
BTYPESTR = 1L<<TTYPESTR,
BREGISTER = 1L<<TREGISTER,
BINTEGER = BCHAR|BUCHAR|BSHORT|BUSHORT|BINT|BUINT|
BLONG|BULONG|BVLONG|BUVLONG,
BNUMBER = BINTEGER|BFLOAT|BDOUBLE,
/* these can be overloaded with complex types */
BCLASS = BAUTO|BEXTERN|BSTATIC|BTYPEDEF|BTYPESTR|BREGISTER,
BGARB = BCONSTNT|BVOLATILE,
};
struct Funct
{
Sym* sym[OEND];
Sym* castto[NTYPE];
Sym* castfr[NTYPE];
};
EXTERN struct
{
Type* tenum; /* type of entire enum */
Type* cenum; /* type of current enum run */
vlong lastenum; /* value of current enum */
double floatenum; /* value of current enum */
} en;
EXTERN int autobn;
EXTERN long autoffset;
EXTERN int blockno;
EXTERN Decl* dclstack;
EXTERN char debug[256];
EXTERN Hist* ehist;
EXTERN long firstbit;
EXTERN Sym* firstarg;
EXTERN Type* firstargtype;
EXTERN Decl* firstdcl;
EXTERN int fperror;
EXTERN Sym* hash[NHASH];
EXTERN int hasdoubled;
EXTERN char* hunk;
EXTERN char* include[20];
EXTERN Io* iofree;
EXTERN Io* ionext;
EXTERN Io* iostack;
EXTERN long lastbit;
EXTERN char lastclass;
EXTERN Type* lastdcl;
EXTERN long lastfield;
EXTERN Type* lasttype;
EXTERN long lineno;
EXTERN long nearln;
EXTERN int nerrors;
EXTERN int newflag;
EXTERN long nhunk;
EXTERN int ninclude;
EXTERN Node* nodproto;
EXTERN Node* nodcast;
EXTERN Biobuf outbuf;
EXTERN Biobuf diagbuf;
EXTERN char* outfile;
EXTERN char* pathname;
EXTERN int peekc;
EXTERN long stkoff;
EXTERN Type* strf;
EXTERN Type* strl;
EXTERN char symb[NSYMB];
EXTERN Sym* symstring;
EXTERN int taggen;
EXTERN Type* tfield;
EXTERN Type* tufield;
EXTERN int thechar;
EXTERN char* thestring;
EXTERN Type* thisfn;
EXTERN long thunk;
EXTERN Type* types[NTYPE];
EXTERN Type* fntypes[NTYPE];
EXTERN Node* initlist;
EXTERN Term term[NTERM];
EXTERN int nterm;
EXTERN int packflg;
EXTERN int fproundflg;
EXTERN int profileflg;
EXTERN int ncontin;
EXTERN int newvlongcode;
EXTERN int canreach;
EXTERN int warnreach;
EXTERN Bits zbits;
extern char *onames[], *tnames[], *gnames[];
extern char *cnames[], *qnames[], *bnames[];
extern char tab[NTYPE][NTYPE];
extern char comrel[], invrel[], logrel[];
extern long ncast[], tadd[], tand[];
extern long targ[], tasadd[], tasign[], tcast[];
extern long tdot[], tfunct[], tindir[], tmul[];
extern long tnot[], trel[], tsub[];
extern char typeaf[];
extern char typefd[];
extern char typei[];
extern char typesu[];
extern char typesuv[];
extern char typeu[];
extern char typev[];
extern char typec[];
extern char typeh[];
extern char typeil[];
extern char typeilp[];
extern char typechl[];
extern char typechlv[];
extern char typechlvp[];
extern char typechlp[];
extern char typechlpfd[];
EXTERN char* typeswitch;
EXTERN char* typeword;
EXTERN char* typecmplx;
extern ulong thash1;
extern ulong thash2;
extern ulong thash3;
extern ulong thash[];
/*
* Inferno.c/Posix.c/Nt.c
*/
int mywait(int*);
int mycreat(char*, int);
int systemtype(int);
int pathchar(void);
int myaccess(char*);
char* mygetwd(char*, int);
int myexec(char*, char*[]);
int mydup(int, int);
int myfork(void);
int mypipe(int*);
void* mysbrk(ulong);
/*
* parser
*/
int yyparse(void);
int mpatof(char*, double*);
int mpatov(char*, vlong*);
/*
* lex.c
*/
void* allocn(void*, long, long);
void* alloc(long);
void cinit(void);
int compile(char*, char**, int);
void errorexit(void);
int filbuf(void);
int getc(void);
long getr(void);
int getnsc(void);
Sym* lookup(void);
void main(int, char*[]);
void newfile(char*, int);
void newio(void);
void pushio(void);
long escchar(long, int, int);
Sym* slookup(char*);
void syminit(Sym*);
void unget(int);
long yylex(void);
int Lconv(Fmt*);
int Tconv(Fmt*);
int FNconv(Fmt*);
int Oconv(Fmt*);
int Qconv(Fmt*);
int VBconv(Fmt*);
void setinclude(char*);
/*
* mac.c
*/
void dodefine(char*);
void domacro(void);
Sym* getsym(void);
long getnsn(void);
void linehist(char*, int);
void macdef(void);
void macprag(void);
void macend(void);
void macexpand(Sym*, char*);
void macif(int);
void macinc(void);
void maclin(void);
void macund(void);
/*
* dcl.c
*/
Node* doinit(Sym*, Type*, long, Node*);
Type* tcopy(Type*);
Node* init1(Sym*, Type*, long, int);
Node* newlist(Node*, Node*);
void adecl(int, Type*, Sym*);
int anyproto(Node*);
void argmark(Node*, int);
void dbgdecl(Sym*);
Node* dcllabel(Sym*, int);
Node* dodecl(void(*)(int, Type*, Sym*), int, Type*, Node*);
Sym* mkstatic(Sym*);
void doenum(Sym*, Node*);
void snap(Type*);
Type* dotag(Sym*, int, int);
void edecl(int, Type*, Sym*);
Type* fnproto(Node*);
Type* fnproto1(Node*);
void markdcl(void);
Type* paramconv(Type*, int, int);
void pdecl(int, Type*, Sym*);
Decl* push(void);
Decl* push1(Sym*);
Node* revertdcl(void);
#undef round
#define round ccround
#undef log2
#define log2 cclog2
long round(long, int);
int rsametype(Type*, Type*, int, int);
int sametype(Type*, Type*);
ulong sign(Sym*);
ulong signature(Type*);
void sualign(Type*);
void tmerge(Type*, Sym*);
void walkparam(Node*, int);
void xdecl(int, Type*, Sym*);
Node* contig(Sym*, Node*, long);
/*
* com.c
*/
void ccom(Node*);
void complex(Node*);
int tcom(Node*);
int tcoma(Node*, Node*, Type*, int);
int tcomd(Node*);
int tcomo(Node*, int);
int tcomx(Node*);
int tlvalue(Node*);
void constas(Node*, Type*, Type*);
Node* uncomma(Node*);
Node* uncomargs(Node*);
/*
* con.c
*/
void acom(Node*);
void acom1(vlong, Node*);
void acom2(Node*, Type*);
int acomcmp1(void*, void*);
int acomcmp2(void*, void*);
int addo(Node*);
void evconst(Node*);
/*
* funct.c
*/
int isfunct(Node*);
void dclfunct(Type*, Sym*);
/*
* sub.c
*/
void arith(Node*, int);
int castucom(Node*);
int deadheads(Node*);
Type* dotsearch(Sym*, Type*, Node*, long*);
long dotoffset(Type*, Type*, Node*);
void gethunk(void);
Node* invert(Node*);
int bitno(long);
void makedot(Node*, Type*, long);
int mixedasop(Type*, Type*);
Node* new(int, Node*, Node*);
Node* new1(int, Node*, Node*);
int nilcast(Type*, Type*);
int nocast(Type*, Type*);
void prtree(Node*, char*);
void prtree1(Node*, int, int);
void relcon(Node*, Node*);
int relindex(int);
int simpleg(long);
Type* garbt(Type*, long);
int simplec(long);
Type* simplet(long);
int stcompat(Node*, Type*, Type*, long[]);
int tcompat(Node*, Type*, Type*, long[]);
void tinit(void);
Type* typ(int, Type*);
Type* copytyp(Type*);
void typeext(Type*, Node*);
void typeext1(Type*, Node*);
int side(Node*);
int vconst(Node*);
int log2(uvlong);
int vlog(Node*);
int topbit(ulong);
void simplifyshift(Node*);
long typebitor(long, long);
void diag(Node*, char*, ...);
void warn(Node*, char*, ...);
void yyerror(char*, ...);
void fatal(Node*, char*, ...);
/*
* acid.c
*/
void acidtype(Type*);
void acidvar(Sym*);
/*
* pickle.c
*/
void pickletype(Type*);
/*
* bits.c
*/
Bits bor(Bits, Bits);
Bits band(Bits, Bits);
Bits bnot(Bits);
int bany(Bits*);
int bnum(Bits);
Bits blsh(uint);
int beq(Bits, Bits);
int bset(Bits, uint);
/*
* dpchk.c
*/
void dpcheck(Node*);
void arginit(void);
void pragvararg(void);
void pragpack(void);
void pragfpround(void);
void pragprofile(void);
void pragincomplete(void);
/*
* calls to machine depend part
*/
void codgen(Node*, Node*);
void gclean(void);
void gextern(Sym*, Node*, long, long);
void ginit(void);
long outstring(char*, long);
long outlstring(TRune*, long);
void xcom(Node*);
long exreg(Type*);
long align(long, Type*, int);
long maxround(long, long);
extern schar ewidth[];
/*
* com64
*/
int com64(Node*);
void com64init(void);
void bool64(Node*);
double convvtof(vlong);
vlong convftov(double);
double convftox(double, int);
vlong convvtox(vlong, int);
/*
* machcap
*/
int machcap(Node*);
#pragma varargck argpos warn 2
#pragma varargck argpos diag 2
#pragma varargck argpos yyerror 1
#pragma varargck type "F" Node*
#pragma varargck type "L" long
#pragma varargck type "Q" long
#pragma varargck type "O" int
#pragma varargck type "T" Type*
#pragma varargck type "|" int
#undef true
#define true mytrue