// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. #include #include #include #include // avoid #undef isblank #define isblank goisblank #ifndef EXTERN #define EXTERN extern #endif #undef getc #undef ungetc #undef BUFSIZ #define getc ccgetc #define ungetc ccungetc enum { NHUNK = 50000, BUFSIZ = 8192, NSYMB = 500, NHASH = 1024, STRINGSZ = 200, YYMAXDEPTH = 500, MAXALIGN = 7, UINF = 100, HISTSZ = 10, PRIME1 = 3, PRIME2 = 10007, PRIME3 = 10009, PRIME4 = 10037, PRIME5 = 10039, PRIME6 = 10061, PRIME7 = 10067, PRIME8 = 10079, PRIME9 = 10091, PRIME10 = 10093, AUNK = 100, // these values are known by runtime AMEM = 0, ANOEQ, ASTRING, AINTER, ANILINTER, BADWIDTH = -1000000000, MAXWIDTH = 1<<30 }; /* * note this is the representation * of the compilers string literals, * it is not the runtime representation */ typedef struct Strlit Strlit; struct Strlit { int32 len; char s[3]; // variable }; /* * note this is the runtime representation * of hashmap iterator. it is probably * insafe to use it this way, but it puts * all the changes in one place. * only flag is referenced from go. * actual placement does not matter as long * as the size is >= actual size. */ typedef struct Hiter Hiter; struct Hiter { uchar data[8]; // return val from next int32 elemsize; // size of elements in table */ int32 changes; // number of changes observed last time */ int32 i; // stack pointer in subtable_state */ uchar last[8]; // last hash value returned */ uchar h[8]; // the hash table */ struct { uchar sub[8]; // pointer into subtable */ uchar start[8]; // pointer into start of subtable */ uchar end[8]; // pointer into end of subtable */ uchar pad[8]; } sub[4]; }; enum { Mpscale = 29, // safely smaller than bits in a long Mpprec = 16, // Mpscale*Mpprec is max number of bits Mpnorm = Mpprec - 1, // significant words in a normalized float Mpbase = 1L << Mpscale, Mpsign = Mpbase >> 1, Mpmask = Mpbase - 1, Mpdebug = 0, }; typedef struct Mpint Mpint; struct Mpint { long a[Mpprec]; uchar neg; uchar ovf; }; typedef struct Mpflt Mpflt; struct Mpflt { Mpint val; short exp; }; typedef struct Val Val; struct Val { short ctype; union { short reg; // OREGISTER short bval; // bool value CTBOOL Mpint* xval; // int CTINT Mpflt* fval; // float CTFLT Strlit* sval; // string CTSTR } u; }; typedef struct Sym Sym; typedef struct Node Node; typedef struct NodeList NodeList; typedef struct Type Type; struct Type { uchar etype; uchar chan; uchar recur; // to detect loops uchar trecur; // to detect loops uchar printed; uchar embedded; // TFIELD embedded type uchar siggen; uchar funarg; uchar copyany; uchar local; // created in this file uchar deferwidth; uchar broke; Node* nod; // canonical OTYPE node int lineno; // TFUNCT uchar thistuple; uchar outtuple; uchar intuple; uchar outnamed; Type* method; Type* xmethod; Sym* sym; int32 vargen; // unique name for OTYPE/ONAME Node* nname; vlong argwid; // most nodes Type* type; vlong width; // offset in TFIELD, width in all others // TFIELD Type* down; // also used in TMAP Strlit* note; // literal string annotation // TARRAY int32 bound; // negative is dynamic array int32 maplineno; // first use of TFORW as map key int32 embedlineno; // first use of TFORW as embedded type }; #define T ((Type*)0) struct Node { uchar op; uchar ullman; // sethi/ullman number uchar addable; // type of addressability - 0 is not addressable uchar trecur; // to detect loops uchar etype; // op for OASOP, etype for OTYPE, exclam for export uchar class; // PPARAM, PAUTO, PEXTERN, etc uchar method; // OCALLMETH name uchar iota; // OLITERAL made from iota uchar embedded; // ODCLFIELD embedded type uchar colas; // OAS resulting from := uchar diag; // already printed error about this uchar noescape; // ONAME never move to heap uchar funcdepth; uchar builtin; // built-in name, like len or close uchar walkdef; uchar typecheck; uchar local; uchar initorder; uchar dodata; // compile literal assignment as data statement uchar used; uchar oldref; // most nodes Node* left; Node* right; Type* type; NodeList* list; NodeList* rlist; // for-body NodeList* ninit; Node* ntest; Node* nincr; NodeList* nbody; // if-body NodeList* nelse; // cases Node* ncase; // func Node* nname; Node* shortname; NodeList* enter; NodeList* exit; NodeList* cvars; // closure params NodeList* dcl; // autodcl for this func/closure // OLITERAL/OREGISTER Val val; // ONAME Node* ntype; Node* defn; Node* pack; // real package for import . names // ONAME func param with PHEAP Node* heapaddr; // temp holding heap address of param Node* stackparam; // OPARAM node referring to stack copy of param Node* alloc; // allocation call // ONAME closure param with PPARAMREF Node* outer; // outer PPARAMREF in nested closure Node* closure; // ONAME/PHEAP <-> ONAME/PPARAMREF Sym* sym; // various int32 vargen; // unique name for OTYPE/ONAME int32 lineno; vlong xoffset; int32 ostk; }; #define N ((Node*)0) struct NodeList { Node* n; NodeList* next; NodeList* end; }; enum { SymExport = 1<<0, SymPackage = 1<<1, SymExported = 1<<2, SymImported = 1<<3, SymUniq = 1<<4, SymSiggen = 1<<5, }; struct Sym { ushort lexical; uchar flags; uchar sym; // huffman encoding in object file Sym* link; // saved and restored by dcopy char* package; // package name char* name; // variable name Node* def; // definition: ONAME OTYPE OPACK or OLITERAL int32 block; // blocknumber to catch redeclaration int32 lastlineno; // last declaration for diagnostic }; #define S ((Sym*)0) typedef struct Iter Iter; struct Iter { int done; Type* tfunc; Type* t; Node** an; Node* n; }; typedef struct Hist Hist; struct Hist { Hist* link; char* name; int32 line; int32 offset; }; #define H ((Hist*)0) enum { OXXX, // names ONAME, ONONAME, OTYPE, OPACK, OLITERAL, // exprs OADD, OSUB, OOR, OXOR, OADDSTR, OADDR, OANDAND, OAPPENDSTR, OARRAY, OARRAYBYTESTR, OARRAYRUNESTR, OAS, OAS2, OAS2MAPW, OAS2FUNC, OAS2RECV, OAS2MAPR, OAS2DOTTYPE, OASOP, OBAD, OCALL, OCALLFUNC, OCALLMETH, OCALLINTER, OCAP, OCLOSE, OCLOSED, OCLOSURE, OCMPIFACE, OCMPSTR, OCOMPLIT, OMAPLIT, OSTRUCTLIT, OARRAYLIT, OCONV, OCONVNOP, OCONVIFACE, OCONVSLICE, OCOPY, ODCL, ODCLFUNC, ODCLFIELD, ODCLCONST, ODCLTYPE, ODOT, ODOTPTR, ODOTMETH, ODOTINTER, OXDOT, ODOTTYPE, OEQ, ONE, OLT, OLE, OGE, OGT, OIND, OINDEX, OINDEXSTR, OINDEXMAP, OKEY, OPARAM, OLEN, OMAKE, OMAKECHAN, OMAKEMAP, OMAKESLICE, OHMUL, ORRC, OLRC, // high-mul and rotate-carry OMUL, ODIV, OMOD, OLSH, ORSH, OAND, OANDNOT, ONEW, ONOT, OCOM, OPLUS, OMINUS, OOROR, OPANIC, OPANICN, OPRINT, OPRINTN, OSEND, OSENDNB, OSLICE, OSLICEARR, OSLICESTR, ORECV, ORUNESTR, OSELRECV, OIOTA, // stmts OBLOCK, OBREAK, OCASE, OXCASE, OCONTINUE, ODEFER, OEMPTY, OFALL, OXFALL, OFOR, OGOTO, OIF, OLABEL, OPROC, ORANGE, ORETURN, OSELECT, OSWITCH, OTYPECASE, OTYPESW, // l = r.(type) // types OTCHAN, OTMAP, OTSTRUCT, OTINTER, OTFUNC, OTARRAY, // for back ends OCMP, ODEC, OEXTEND, OINC, OREGISTER, OINDREG, OEND, }; enum { Txxx, // 0 TINT8, TUINT8, // 1 TINT16, TUINT16, TINT32, TUINT32, TINT64, TUINT64, TINT, TUINT, TUINTPTR, TFLOAT32, // 12 TFLOAT64, TFLOAT, TBOOL, // 15 TPTR32, TPTR64, // 16 TDDD, // 18 TFUNC, TARRAY, T_old_DARRAY, TSTRUCT, // 22 TCHAN, TMAP, TINTER, // 25 TFORW, TFIELD, TANY, TSTRING, // pseudo-types for literals TIDEAL, // 30 TNIL, TBLANK, // pseudo-type for frame layout TFUNCARGS, TCHANARGS, NTYPE, }; enum { CTxxx, CTINT, CTFLT, CTSTR, CTBOOL, CTNIL, }; enum { /* types of channel */ /* must match ../../pkg/nreflect/type.go:/Chandir */ Cxxx, Crecv = 1<<0, Csend = 1<<1, Cboth = Crecv | Csend, }; enum { Pxxx, PEXTERN, // declaration context PAUTO, PPARAM, PPARAMOUT, PPARAMREF, // param passed by reference PFUNC, PHEAP = 1<<7, }; enum { Etop = 1<<1, // evaluated at statement level Erv = 1<<2, // evaluated in value context Etype = 1<<3, Ecall = 1<<4, // call-only expressions are ok Efnstruct = 1<<5, // multivalue function returns are ok Eiota = 1<<6, // iota is ok Easgn = 1<<7, // assigning to expression Eindir = 1<<8, // indirecting through expression Eaddr = 1<<9, // taking address of expression }; #define BITS 5 #define NVAR (BITS*sizeof(uint32)*8) typedef struct Bits Bits; struct Bits { uint32 b[BITS]; }; EXTERN Bits zbits; typedef struct Var Var; struct Var { vlong offset; Sym* sym; Sym* gotype; int width; char name; char etype; }; EXTERN Var var[NVAR]; typedef struct Typedef Typedef; struct Typedef { char* name; int etype; int sameas; }; extern Typedef typedefs[]; typedef struct Sig Sig; struct Sig { char* name; char* package; Sym* isym; Sym* tsym; Type* type; uint32 hash; int32 perm; int32 offset; Sig* link; }; typedef struct Io Io; struct Io { char* infile; Biobuf* bin; int32 ilineno; int peekc; int peekc1; // second peekc for ... char* cp; // used for content when bin==nil }; typedef struct Dlist Dlist; struct Dlist { Type* field; }; typedef struct Idir Idir; struct Idir { Idir* link; char* dir; }; /* * argument passing to/from * smagic and umagic */ typedef struct Magic Magic; struct Magic { int w; // input for both - width int s; // output for both - shift int bad; // output for both - unexpected failure // magic multiplier for signed literal divisors int64 sd; // input - literal divisor int64 sm; // output - multiplier // magic multiplier for unsigned literal divisors uint64 ud; // input - literal divisor uint64 um; // output - multiplier int ua; // output - adder }; /* * note this is the runtime representation * of the compilers arrays. * * typedef struct * { // must not move anything * uchar array[8]; // pointer to data * uchar nel[4]; // number of elements * uchar cap[4]; // allocated number of elements * } Array; */ EXTERN int Array_array; // runtime offsetof(Array,array) - same for String EXTERN int Array_nel; // runtime offsetof(Array,nel) - same for String EXTERN int Array_cap; // runtime offsetof(Array,cap) EXTERN int sizeof_Array; // runtime sizeof(Array) /* * note this is the runtime representation * of the compilers strings. * * typedef struct * { // must not move anything * uchar array[8]; // pointer to data * uchar nel[4]; // number of elements * } String; */ EXTERN int sizeof_String; // runtime sizeof(String) EXTERN Dlist dotlist[10]; // size is max depth of embeddeds EXTERN Io curio; EXTERN Io pushedio; EXTERN int32 lexlineno; EXTERN int32 lineno; EXTERN int32 prevlineno; EXTERN char* pathname; EXTERN Hist* hist; EXTERN Hist* ehist; EXTERN char* infile; EXTERN char* outfile; EXTERN char* package; EXTERN Biobuf* bout; EXTERN int nerrors; EXTERN int nsyntaxerrors; EXTERN char namebuf[NSYMB]; EXTERN char lexbuf[NSYMB]; EXTERN char debug[256]; EXTERN Sym* hash[NHASH]; EXTERN Sym* pkgmyname; // my name for package EXTERN Sym* pkgimportname; // package name from imported package EXTERN int tptr; // either TPTR32 or TPTR64 extern char* runtimeimport; extern char* unsafeimport; EXTERN Idir* idirs; EXTERN Type* types[NTYPE]; EXTERN Type* idealstring; EXTERN Type* idealbool; EXTERN uchar simtype[NTYPE]; EXTERN uchar isptr[NTYPE]; EXTERN uchar isforw[NTYPE]; EXTERN uchar isint[NTYPE]; EXTERN uchar isfloat[NTYPE]; EXTERN uchar issigned[NTYPE]; EXTERN uchar issimple[NTYPE]; EXTERN uchar okforeq[NTYPE]; EXTERN uchar okforadd[NTYPE]; EXTERN uchar okforand[NTYPE]; EXTERN uchar okfornone[NTYPE]; EXTERN uchar okforcmp[NTYPE]; EXTERN uchar okforbool[NTYPE]; EXTERN uchar okforcap[NTYPE]; EXTERN uchar okforlen[NTYPE]; EXTERN uchar okforarith[NTYPE]; EXTERN uchar* okfor[OEND]; EXTERN uchar iscmp[OEND]; EXTERN Mpint* minintval[NTYPE]; EXTERN Mpint* maxintval[NTYPE]; EXTERN Mpflt* minfltval[NTYPE]; EXTERN Mpflt* maxfltval[NTYPE]; EXTERN NodeList* xtop; EXTERN NodeList* externdcl; EXTERN NodeList* closures; EXTERN NodeList* exportlist; EXTERN NodeList* typelist; EXTERN int dclcontext; // PEXTERN/PAUTO EXTERN int incannedimport; EXTERN int statuniqgen; // name generator for static temps EXTERN int loophack; EXTERN uint32 iota; EXTERN NodeList* lastconst; EXTERN Node* lasttype; EXTERN int32 maxarg; EXTERN int32 stksize; // stack size for current frame EXTERN int32 blockgen; // max block number EXTERN int32 block; // current block number EXTERN int hasdefer; // flag that curfn has defer statetment EXTERN Node* curfn; EXTERN int maxround; EXTERN int widthptr; EXTERN Node* typesw; EXTERN Node* nblank; EXTERN char* structpkg; extern int thechar; extern char* thestring; EXTERN char* hunk; EXTERN int32 nhunk; EXTERN int32 thunk; EXTERN int exporting; EXTERN int noargnames; EXTERN int funcdepth; EXTERN int typecheckok; /* * y.tab.c */ int yyparse(void); /* * lex.c */ void addidir(char*); void importfile(Val*, int line); void cannedimports(char*, char*); void unimportfile(void); int32 yylex(void); void yyoptsemi(int); void typeinit(void); void lexinit(void); char* lexname(int); int32 getr(void); int escchar(int, int*, vlong*); int getc(void); void ungetc(int); void mkpackage(char*); /* * mparith1.c */ int mpcmpfixflt(Mpint *a, Mpflt *b); int mpcmpfltfix(Mpflt *a, Mpint *b); int mpcmpfixfix(Mpint *a, Mpint *b); int mpcmpfixc(Mpint *b, vlong c); int mpcmpfltflt(Mpflt *a, Mpflt *b); int mpcmpfltc(Mpflt *b, double c); void mpsubfixfix(Mpint *a, Mpint *b); void mpsubfltflt(Mpflt *a, Mpflt *b); void mpaddcfix(Mpint *a, vlong c); void mpaddcflt(Mpflt *a, double c); void mpmulcfix(Mpint *a, vlong c); void mpmulcflt(Mpflt *a, double c); void mpdivfixfix(Mpint *a, Mpint *b); void mpmodfixfix(Mpint *a, Mpint *b); void mpatofix(Mpint *a, char *s); void mpatoflt(Mpflt *a, char *s); int mpmovefltfix(Mpint *a, Mpflt *b); void mpmovefixflt(Mpflt *a, Mpint *b); int Bconv(Fmt*); /* * mparith2.c */ void mpmovefixfix(Mpint *a, Mpint *b); void mpmovecfix(Mpint *a, vlong v); int mptestfix(Mpint *a); void mpaddfixfix(Mpint *a, Mpint *b); void mpmulfixfix(Mpint *a, Mpint *b); void mpmulfract(Mpint *a, Mpint *b); void mpdivmodfixfix(Mpint *q, Mpint *r, Mpint *n, Mpint *d); void mpdivfract(Mpint *a, Mpint *b); void mpnegfix(Mpint *a); void mpandfixfix(Mpint *a, Mpint *b); void mpandnotfixfix(Mpint *a, Mpint *b); void mplshfixfix(Mpint *a, Mpint *b); void mporfixfix(Mpint *a, Mpint *b); void mprshfixfix(Mpint *a, Mpint *b); void mpxorfixfix(Mpint *a, Mpint *b); void mpcomfix(Mpint *a); vlong mpgetfix(Mpint *a); void mpshiftfix(Mpint *a, int s); /* * mparith3.c */ int sigfig(Mpflt *a); void mpnorm(Mpflt *a); void mpmovefltflt(Mpflt *a, Mpflt *b); void mpmovecflt(Mpflt *a, double f); int mptestflt(Mpflt *a); void mpaddfltflt(Mpflt *a, Mpflt *b); void mpmulfltflt(Mpflt *a, Mpflt *b); void mpdivfltflt(Mpflt *a, Mpflt *b); void mpnegflt(Mpflt *a); double mpgetflt(Mpflt *a); int Fconv(Fmt*); /* * subr.c */ void* mal(int32); void* remal(void*, int32, int32); void errorexit(void); uint32 stringhash(char*); Sym* lookup(char*); Sym* pkglookup(char*, char*); Sym* restrictlookup(char*, char*); void importdot(Sym*, Node*); void yyerror(char*, ...); void yyerrorl(int, char*, ...); void flusherrors(void); int parserline(void); void warn(char*, ...); void fatal(char*, ...); void linehist(char*, int32, int); int32 setlineno(Node*); Node* nod(int, Node*, Node*); Node* nodlit(Val); Type* typ(int); int algtype(Type*); void dodump(Node*, int); void dump(char*, Node*); void dumplist(char*, NodeList*); Type* aindex(Node*, Type*); int isnil(Node*); int isptrto(Type*, int); int istype(Type*, int); int isfixedarray(Type*); int isslice(Type*); int isinter(Type*); int isnilinter(Type*); int isddd(Type*); int isideal(Type*); int isblank(Node*); Type* maptype(Type*, Type*); Type* methtype(Type*); Node* typename(Type*); int eqtype(Type*, Type*); int cvttype(Type*, Type*); int eqtypenoname(Type*, Type*); void argtype(Node*, Type*); int eqargs(Type*, Type*); uint32 typehash(Type*); void frame(int); Node* nodintconst(int64); void nodconst(Node*, Type*, int64); Node* nodnil(void); Node* nodbool(int); void ullmancalc(Node*); void badtype(int, Type*, Type*); Type* ptrto(Type*); NodeList* cleanidlist(NodeList*); Node* syslook(char*, int); Node* treecopy(Node*); NodeList* listtreecopy(NodeList*); int isselect(Node*); Node* staticname(Type*); int iscomposite(Type*); Node* callnew(Type*); Node* saferef(Node*, NodeList**); Node* safeval(Node*, NodeList**); int is64(Type*); int noconv(Type*, Type*); NodeList* list1(Node*); NodeList* list(NodeList*, Node*); NodeList* concat(NodeList*, NodeList*); int count(NodeList*); Node* liststmt(NodeList*); Type** getthis(Type*); Type** getoutarg(Type*); Type** getinarg(Type*); Type* getthisx(Type*); Type* getoutargx(Type*); Type* getinargx(Type*); Type* structfirst(Iter*, Type**); Type* structnext(Iter*); Type* funcfirst(Iter*, Type*); Type* funcnext(Iter*); int brcom(int); int brrev(int); void setmaxarg(Type*); int dotoffset(Node*, int*, Node**); void tempname(Node*, Type*); int Econv(Fmt*); int Jconv(Fmt*); int Lconv(Fmt*); int Oconv(Fmt*); int Sconv(Fmt*); int Tconv(Fmt*); int Nconv(Fmt*); void exprfmt(Fmt*, Node*, int); int Wconv(Fmt*); int Zconv(Fmt*); int lookdot0(Sym*, Type*, Type**); int adddot1(Sym*, Type*, int, Type**); Node* adddot(Node*); void expandmeth(Sym*, Type*); void genwrapper(Type*, Type*, Sym*); int simsimtype(Type*); int powtwo(Node*); Type* tounsigned(Type*); void smagic(Magic*); void umagic(Magic*); void redeclare(Sym*, char*); Sym* ngotype(Node*); /* * dcl.c */ void declare(Node*, int); Type* dodcltype(Type*); void updatetype(Type*, Type*); void defaultlit(Node**, Type*); void defaultlit2(Node**, Node**, int); int structcount(Type*); void addmethod(Sym*, Type*, int); Node* methodname(Node*, Type*); Node* methodname1(Node*, Node*); Sym* methodsym(Sym*, Type*); Type* functype(Node*, NodeList*, NodeList*); char* thistypenam(Node*); void funcnam(Type*, char*); Node* renameinit(Node*); void funchdr(Node*); void funcbody(Node*); Node* typenod(Type*); Type* dostruct(NodeList*, int); Type** stotype(NodeList*, int, Type**); Type* sortinter(Type*); void markdcl(void); void popdcl(void); void poptodcl(void); void dumpdcl(char*); void markdclstack(void); void testdclstack(void); Sym* pushdcl(Sym*); void addvar(Node*, Type*, int); void addtyp(Type*, int); void addconst(Node*, Node*, int); Node* fakethis(void); int isifacemethod(Type*); Node* dclname(Sym*); Node* newname(Sym*); Node* oldname(Sym*); Type* newtype(Sym*); Type* oldtype(Sym*); void fninit(NodeList*); Node* nametodcl(Node*, Type*); NodeList* checkarglist(NodeList*); void checkwidth(Type*); void defercheckwidth(void); void resumecheckwidth(void); Node* embedded(Sym*); NodeList* variter(NodeList*, Node*, NodeList*); NodeList* constiter(NodeList*, Node*, NodeList*); Node* unsafenmagic(Node*, NodeList*); void dclchecks(void); void funccompile(Node*); Node* typedcl0(Sym*); Node* typedcl1(Node*, Node*, int); void typedcl2(Type*, Type*); /* * closure.c */ void closurehdr(Node*); Node* closurebody(NodeList*); void typecheckclosure(Node*); Node* walkclosure(Node*, NodeList**); /* * sinit.c */ NodeList* initfix(NodeList*); /* * export.c */ void autoexport(Node*, int); int exportname(char*); void exportsym(Node*); void packagesym(Node*); void dumpe(Sym*); void dumpexport(void); void dumpexporttype(Sym*); void dumpexportvar(Sym*); void dumpexportconst(Sym*); void importconst(Sym *s, Type *t, Node *v); void importmethod(Sym *s, Type *t); void importtype(Type *s, Type *t); void importvar(Sym *s, Type *t, int ctxt); void checkimports(void); Type* pkgtype(Sym*); Sym* importsym(Sym*, int); /* * walk.c */ void walk(Node*); void walkstmt(Node**); void walkstmtlist(NodeList*); void walkexprlist(NodeList*, NodeList**); void walkconv(Node**, NodeList**); void walkdottype(Node*, NodeList**); void walkas(Node*); void walkswitch(Node*); void walkrange(Node*); void walkselect(Node*); void walkdot(Node*, NodeList**); void walkexpr(Node**, NodeList**); Node* mkcall(char*, Type*, NodeList**, ...); Node* mkcall1(Node*, Type*, NodeList**, ...); Node* chanfn(char*, int, Type*); Node* ascompatee1(int, Node*, Node*, NodeList**); NodeList* ascompatee(int, NodeList*, NodeList*, NodeList**); NodeList* ascompatet(int, NodeList*, Type**, int, NodeList**); NodeList* ascompatte(int, Type**, NodeList*, int, NodeList**); Node* mapop(Node*, NodeList**); Type* fixchan(Type*); Node* ifacecvt(Type*, Node*, int, NodeList**); int ifaceas(Type*, Type*, int); int ifaceas1(Type*, Type*, int); void ifacecheck(Type*, Type*, int, int); void runifacechecks(void); Node* convas(Node*, NodeList**); Node* colas(NodeList*, NodeList*); void colasdefn(NodeList*, Node*); NodeList* reorder1(NodeList*); NodeList* reorder3(NodeList*); NodeList* reorder4(NodeList*); int vmatch1(Node*, Node*); void anylit(Node*, Node*, NodeList**); int oaslit(Node*, NodeList**); void heapmoves(void); void walkdeflist(NodeList*); void walkdef(Node*); void typechecklist(NodeList*, int); void typecheckswitch(Node*); void typecheckselect(Node*); void typecheckrange(Node*); Node* typecheckconv(Node*, Node*, Type*, int, char*); int checkconv(Type*, Type*, int, int*, int*, char*); Node* typecheck(Node**, int); /* * const.c */ void convlit1(Node**, Type*, int); void convlit(Node**, Type*); void evconst(Node*); int cmpslit(Node *l, Node *r); int smallintconst(Node*); long nonnegconst(Node*); int consttype(Node*); int isconst(Node*, int); Mpflt* truncfltlit(Mpflt*, Type*); void convconst(Node*, Type*, Val*); /* * align.c */ uint32 rnd(uint32, uint32); void dowidth(Type*); int argsize(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); int Qconv(Fmt *fp); int bitno(int32); /* * gen.c */ typedef struct Prog Prog; #pragma incomplete Prog #define P ((Prog*)0) typedef struct Label Label; struct Label { uchar op; // OGOTO/OLABEL Sym* sym; Node* stmt; Prog* label; // pointer to code Prog* breakpc; // pointer to code Prog* continpc; // pointer to code Label* link; }; #define L ((Label*)0) EXTERN Label* labellist; typedef struct Plist Plist; struct Plist { Node* name; Prog* firstpc; int recur; Plist* link; }; EXTERN Plist* plist; EXTERN Plist* plast; EXTERN Prog* continpc; EXTERN Prog* breakpc; EXTERN Prog* pc; EXTERN Prog* firstpc; EXTERN int yylast; EXTERN int yynext; EXTERN int yysemi; void allocparams(void); void cgen_as(Node *nl, Node *nr); void cgen_callmeth(Node *n, int proc); void cgen_dcl(Node *n); void cgen_proc(Node *n, int proc); void checklabels(void); void gen(Node *n); void genlist(NodeList *l); void newlab(int op, Sym *s, Node*); Node* sysfunc(char *name); Plist* newplist(void); /* * obj.c */ void Bputdot(Biobuf *b); void dumpglobls(void); void dumpobj(void); void ieeedtod(uint64 *ieee, double native); void outhist(Biobuf *b); /* * arch-specific gen.c/gsubr.c/obj.c */ void betypeinit(void); vlong convvtox(vlong, int); void compile(Node*); void proglist(void); int optopop(int); void dumpobj(void); void dowidth(Type*); void argspace(int32); Node* nodarg(Type*, int); Type* deep(Type*); Type* shallow(Type*); Prog* gjmp(Prog*); void patch(Prog*, Prog*); void bgen(Node *n, int true, Prog *to); void cgen_asop(Node *n); void cgen_call(Node *n, int proc); void cgen_callinter(Node *n, Node *res, int proc); void cgen_ret(Node *n); int isfat(Type*); void clearfat(Node *n); void cgen(Node*, Node*); struct Prog; void gused(Node*); void gdata(Node*, Node*, int); void gdatastring(Node*, Strlit*); void dumptypestructs(void); void dumpfuncs(void); void dumpdata(void); void ggloblnod(Node *nam, int32 width); void ggloblsym(Sym *s, int32 width, int dupok); void zfile(Biobuf *b, char *p, int n); void zhist(Biobuf *b, int line, vlong offset); void zname(Biobuf *b, Sym *s, int t); void nopout(Prog*); int dstringptr(Sym *s, int off, char *str); int dgostringptr(Sym*, int off, char *str); int dgostrlitptr(Sym*, int off, Strlit*); int dsymptr(Sym *s, int off, Sym *x, int xoff); int duint8(Sym *s, int off, uint8 v); int duint16(Sym *s, int off, uint16 v); int duint32(Sym *s, int off, uint32 v); int duint64(Sym *s, int off, uint64 v); int duintptr(Sym *s, int off, uint64 v); int duintxx(Sym *s, int off, uint64 v, int wid); void genembedtramp(Type*, Type*, Sym*); int gen_as_init(Node*);