| // 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 <bio.h> |
| |
| #undef OAPPEND |
| |
| // avoid <ctype.h> |
| #undef isblank |
| #define isblank goisblank |
| |
| #ifndef EXTERN |
| #define EXTERN extern |
| #endif |
| |
| #undef BUFSIZ |
| |
| enum |
| { |
| NHUNK = 50000, |
| BUFSIZ = 8192, |
| NSYMB = 500, |
| NHASH = 1024, |
| STRINGSZ = 200, |
| YYMAXDEPTH = 500, |
| MAXALIGN = 7, |
| UINF = 100, |
| HISTSZ = 10, |
| |
| PRIME1 = 3, |
| |
| AUNK = 100, |
| |
| // these values are known by runtime |
| AMEM = 0, |
| ANOEQ, |
| ASTRING, |
| AINTER, |
| ANILINTER, |
| ASLICE, |
| AMEM8, |
| AMEM16, |
| AMEM32, |
| AMEM64, |
| AMEM128, |
| ANOEQ8, |
| ANOEQ16, |
| ANOEQ32, |
| ANOEQ64, |
| ANOEQ128, |
| |
| BADWIDTH = -1000000000, |
| }; |
| |
| extern vlong MAXWIDTH; |
| |
| /* |
| * 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 |
| int32 cycled; // actually a bool but pad for next field, a pointer |
| uchar last[8]; // last hash value returned |
| uchar cycle[8]; // the value where we started and will stop |
| 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 Mpcplx Mpcplx; |
| struct Mpcplx |
| { |
| Mpflt real; |
| Mpflt imag; |
| }; |
| |
| 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 |
| Mpcplx* cval; // float CTCPLX |
| Strlit* sval; // string CTSTR |
| } u; |
| }; |
| |
| typedef struct Pkg Pkg; |
| typedef struct Sym Sym; |
| typedef struct Node Node; |
| typedef struct NodeList NodeList; |
| typedef struct Type Type; |
| typedef struct Label Label; |
| |
| struct Type |
| { |
| uchar etype; |
| uchar chan; |
| 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; |
| uchar isddd; // TFIELD is ... argument |
| uchar align; |
| |
| Node* nod; // canonical OTYPE node |
| Type* orig; // original type (type literal or predefined type) |
| 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) |
| |
| typedef struct InitEntry InitEntry; |
| typedef struct InitPlan InitPlan; |
| |
| struct InitEntry |
| { |
| vlong xoffset; // struct, array only |
| Node *key; // map only |
| Node *expr; |
| }; |
| |
| struct InitPlan |
| { |
| vlong lit; // bytes of initialized non-zero literals |
| vlong zero; // bytes of zeros |
| vlong expr; // bytes of run-time computed expressions |
| |
| InitEntry *e; |
| int len; |
| int cap; |
| }; |
| |
| enum |
| { |
| EscUnknown, |
| EscHeap, |
| EscScope, |
| EscNone, |
| EscNever, |
| }; |
| |
| struct Node |
| { |
| // Tree structure. |
| // Generic recursive walks should follow these fields. |
| Node* left; |
| Node* right; |
| Node* ntest; |
| Node* nincr; |
| NodeList* ninit; |
| NodeList* nbody; |
| NodeList* nelse; |
| NodeList* list; |
| NodeList* rlist; |
| |
| 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 embedded; // ODCLFIELD embedded type |
| uchar colas; // OAS resulting from := |
| uchar diag; // already printed error about this |
| uchar esc; // EscXXX |
| uchar funcdepth; |
| uchar builtin; // built-in name, like len or close |
| uchar walkdef; |
| uchar typecheck; |
| uchar local; |
| uchar dodata; |
| uchar initorder; |
| uchar used; |
| uchar isddd; |
| uchar readonly; |
| uchar implicit; // don't show in printout |
| uchar addrtaken; // address taken, even if not moved to heap |
| |
| // most nodes |
| Type* type; |
| Type* realtype; // as determined by typecheck |
| Node* orig; // original form, for printing, and tracking copies of ONAMEs |
| |
| // 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; // ONAME: initializing assignment; OLABEL: labeled statement |
| Node* pack; // real package for import . names |
| Node* curfn; // function for local variables |
| Type* paramfld; // TFIELD for this PPARAM |
| |
| // 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 |
| |
| // OPACK |
| Pkg* pkg; |
| |
| // OARRAYLIT, OMAPLIT, OSTRUCTLIT. |
| InitPlan* initplan; |
| |
| // Escape analysis. |
| NodeList* escflowsrc; // flow(this, src) |
| int escloopdepth; // -1: global, 0: not set, function top level:1, increased inside function for every loop or label to mark scopes |
| |
| Sym* sym; // various |
| int32 vargen; // unique name for OTYPE/ONAME |
| int32 lineno; |
| int32 endlineno; |
| vlong xoffset; |
| int32 stkdelta; // offset added by stack frame compaction phase. |
| int32 ostk; |
| int32 iota; |
| uint32 walkgen; |
| }; |
| #define N ((Node*)0) |
| |
| /* |
| * Every node has a walkgen field. |
| * If you want to do a traversal of a node graph that |
| * might contain duplicates and want to avoid |
| * visiting the same nodes twice, increment walkgen |
| * before starting. Then before processing a node, do |
| * |
| * if(n->walkgen == walkgen) |
| * return; |
| * n->walkgen = walkgen; |
| * |
| * Such a walk cannot call another such walk recursively, |
| * because of the use of the global walkgen. |
| */ |
| EXTERN uint32 walkgen; |
| |
| struct NodeList |
| { |
| Node* n; |
| NodeList* next; |
| NodeList* end; |
| }; |
| |
| enum |
| { |
| SymExport = 1<<0, |
| SymPackage = 1<<1, |
| SymExported = 1<<2, |
| SymUniq = 1<<3, |
| SymSiggen = 1<<4, |
| }; |
| |
| struct Sym |
| { |
| ushort lexical; |
| uchar flags; |
| uchar sym; // huffman encoding in object file |
| Sym* link; |
| int32 npkg; // number of imported packages with this name |
| |
| // saved and restored by dcopy |
| Pkg* pkg; |
| char* name; // variable name |
| Node* def; // definition: ONAME OTYPE OPACK or OLITERAL |
| Label* label; // corresponding label (ephemeral) |
| int32 block; // blocknumber to catch redeclaration |
| int32 lastlineno; // last declaration for diagnostic |
| }; |
| #define S ((Sym*)0) |
| |
| EXTERN Sym* dclstack; |
| |
| struct Pkg |
| { |
| char* name; // package name |
| Strlit* path; // string literal used in import statement |
| Sym* pathsym; |
| char* prefix; // escaped path for use in symbol table |
| Pkg* link; |
| char exported; // import line written in export data |
| char direct; // imported directly |
| }; |
| |
| 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, |
| OAPPEND, |
| OARRAYBYTESTR, OARRAYRUNESTR, |
| OSTRARRAYBYTE, OSTRARRAYRUNE, |
| OAS, OAS2, OAS2MAPW, OAS2FUNC, OAS2RECV, OAS2MAPR, OAS2DOTTYPE, |
| OASOP, |
| OBAD, |
| OCALL, OCALLFUNC, OCALLMETH, OCALLINTER, |
| OCAP, |
| OCLOSE, |
| OCLOSURE, |
| OCMPIFACE, OCMPSTR, |
| OCOMPLIT, OMAPLIT, OSTRUCTLIT, OARRAYLIT, |
| OCONV, OCONVIFACE, OCONVNOP, |
| OCOPY, |
| ODCL, ODCLFUNC, ODCLFIELD, ODCLCONST, ODCLTYPE, |
| ODELETE, |
| ODOT, ODOTPTR, ODOTMETH, ODOTINTER, OXDOT, |
| ODOTTYPE, |
| ODOTTYPE2, |
| OEQ, ONE, OLT, OLE, OGE, OGT, |
| OIND, |
| OINDEX, 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, OPRINT, OPRINTN, |
| OPAREN, |
| OSEND, |
| OSLICE, OSLICEARR, OSLICESTR, |
| ORECOVER, |
| ORECV, |
| ORUNESTR, |
| OSELRECV, |
| OSELRECV2, |
| OIOTA, |
| OREAL, OIMAG, OCOMPLEX, |
| |
| // stmts |
| OBLOCK, |
| OBREAK, |
| OCASE, OXCASE, |
| OCONTINUE, |
| ODEFER, |
| OEMPTY, |
| OFALL, OXFALL, |
| OFOR, |
| OGOTO, |
| OIF, |
| OLABEL, |
| OPROC, |
| ORANGE, |
| ORETURN, |
| OSELECT, |
| OSWITCH, |
| OTYPESW, // l = r.(type) |
| |
| // types |
| OTCHAN, |
| OTMAP, |
| OTSTRUCT, |
| OTINTER, |
| OTFUNC, |
| OTARRAY, |
| OTPAREN, |
| |
| // misc |
| ODDD, |
| ODDDARG, |
| |
| // 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, |
| |
| TCOMPLEX64, // 12 |
| TCOMPLEX128, |
| |
| TFLOAT32, // 14 |
| TFLOAT64, |
| |
| TBOOL, // 16 |
| |
| TPTR32, TPTR64, // 17 |
| |
| TFUNC, // 19 |
| TARRAY, |
| T_old_DARRAY, |
| TSTRUCT, // 22 |
| TCHAN, |
| TMAP, |
| TINTER, // 25 |
| TFORW, |
| TFIELD, |
| TANY, |
| TSTRING, |
| TUNSAFEPTR, |
| |
| // pseudo-types for literals |
| TIDEAL, // 31 |
| TNIL, |
| TBLANK, |
| |
| // pseudo-type for frame layout |
| TFUNCARGS, |
| TCHANARGS, |
| TINTERMETH, |
| |
| NTYPE, |
| }; |
| enum |
| { |
| CTxxx, |
| |
| CTINT, |
| CTFLT, |
| CTCPLX, |
| 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 |
| Eproc = 1<<10, // inside a go statement |
| Ecomplit = 1<<11, // type in composite literal |
| }; |
| |
| #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* gotype; |
| Node* node; |
| int width; |
| char name; |
| char etype; |
| char addr; |
| }; |
| |
| 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; |
| Pkg* pkg; |
| Sym* isym; |
| Sym* tsym; |
| Type* type; |
| Type* mtype; |
| int32 offset; |
| Sig* link; |
| }; |
| |
| typedef struct Io Io; |
| struct Io |
| { |
| char* infile; |
| Biobuf* bin; |
| int32 ilineno; |
| int nlsemi; |
| int eofnl; |
| int peekc; |
| int peekc1; // second peekc for ... |
| char* cp; // used for content when bin==nil |
| int importsafe; |
| }; |
| |
| 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 |
| }; |
| |
| typedef struct Prog Prog; |
| #pragma incomplete Prog |
| |
| struct Label |
| { |
| uchar used; |
| Sym* sym; |
| Node* def; |
| NodeList* use; |
| Label* link; |
| |
| // for use during gen |
| Prog* gotopc; // pointer to unresolved gotos |
| Prog* labelpc; // pointer to code |
| Prog* breakpc; // pointer to code |
| Prog* continpc; // pointer to code |
| }; |
| #define L ((Label*)0) |
| |
| /* |
| * 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 Biobuf* bout; |
| EXTERN int nerrors; |
| EXTERN int nsavederrors; |
| EXTERN int nsyntaxerrors; |
| EXTERN int safemode; |
| EXTERN char namebuf[NSYMB]; |
| EXTERN char lexbuf[NSYMB]; |
| EXTERN char litbuf[NSYMB]; |
| EXTERN char debug[256]; |
| EXTERN Sym* hash[NHASH]; |
| EXTERN Sym* importmyname; // my name for package |
| EXTERN Pkg* localpkg; // package being compiled |
| EXTERN Pkg* importpkg; // package being imported |
| EXTERN Pkg* structpkg; // package that declared struct, during import |
| EXTERN Pkg* builtinpkg; // fake package for builtins |
| EXTERN Pkg* gostringpkg; // fake pkg for Go strings |
| EXTERN Pkg* runtimepkg; // package runtime |
| EXTERN Pkg* stringpkg; // fake package for C strings |
| EXTERN Pkg* typepkg; // fake package for runtime type info |
| EXTERN Pkg* unsafepkg; // package unsafe |
| EXTERN Pkg* phash[128]; |
| EXTERN int tptr; // either TPTR32 or TPTR64 |
| extern char* runtimeimport; |
| extern char* unsafeimport; |
| EXTERN char* myimportpath; |
| EXTERN Idir* idirs; |
| |
| EXTERN Type* types[NTYPE]; |
| EXTERN Type* idealstring; |
| EXTERN Type* idealbool; |
| EXTERN Type* bytetype; |
| EXTERN Type* runetype; |
| EXTERN Type* errortype; |
| EXTERN uchar simtype[NTYPE]; |
| EXTERN uchar isptr[NTYPE]; |
| EXTERN uchar isforw[NTYPE]; |
| EXTERN uchar isint[NTYPE]; |
| EXTERN uchar isfloat[NTYPE]; |
| EXTERN uchar iscomplex[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 okforconst[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 int32 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 widthptr; |
| |
| EXTERN Node* typesw; |
| EXTERN Node* nblank; |
| |
| extern int thechar; |
| extern char* thestring; |
| |
| EXTERN char* hunk; |
| EXTERN int32 nhunk; |
| EXTERN int32 thunk; |
| |
| EXTERN int funcdepth; |
| EXTERN int typecheckok; |
| EXTERN int compiling_runtime; |
| |
| EXTERN int rune32; |
| |
| /* |
| * y.tab.c |
| */ |
| int yyparse(void); |
| |
| /* |
| * align.c |
| */ |
| int argsize(Type *t); |
| void checkwidth(Type *t); |
| void defercheckwidth(void); |
| void dowidth(Type *t); |
| void resumecheckwidth(void); |
| uint32 rnd(uint32 o, uint32 r); |
| void typeinit(void); |
| |
| /* |
| * bits.c |
| */ |
| int Qconv(Fmt *fp); |
| Bits band(Bits a, Bits b); |
| int bany(Bits *a); |
| int beq(Bits a, Bits b); |
| int bitno(int32 b); |
| Bits blsh(uint n); |
| Bits bnot(Bits a); |
| int bnum(Bits a); |
| Bits bor(Bits a, Bits b); |
| int bset(Bits a, uint n); |
| |
| /* |
| * closure.c |
| */ |
| Node* closurebody(NodeList *body); |
| void closurehdr(Node *ntype); |
| void typecheckclosure(Node *func, int top); |
| Node* walkclosure(Node *func, NodeList **init); |
| void walkcallclosure(Node *n, NodeList **init); |
| |
| /* |
| * const.c |
| */ |
| int cmpslit(Node *l, Node *r); |
| int consttype(Node *n); |
| void convconst(Node *con, Type *t, Val *val); |
| void convlit(Node **np, Type *t); |
| void convlit1(Node **np, Type *t, int explicit); |
| void defaultlit(Node **np, Type *t); |
| void defaultlit2(Node **lp, Node **rp, int force); |
| void evconst(Node *n); |
| int isconst(Node *n, int ct); |
| Node* nodcplxlit(Val r, Val i); |
| Node* nodlit(Val v); |
| long nonnegconst(Node *n); |
| void overflow(Val v, Type *t); |
| int smallintconst(Node *n); |
| Val toint(Val v); |
| Mpflt* truncfltlit(Mpflt *oldv, Type *t); |
| |
| /* |
| * cplx.c |
| */ |
| void complexadd(int op, Node *nl, Node *nr, Node *res); |
| void complexbool(int op, Node *nl, Node *nr, int true, Prog *to); |
| void complexgen(Node *n, Node *res); |
| void complexminus(Node *nl, Node *res); |
| void complexmove(Node *f, Node *t); |
| void complexmul(Node *nl, Node *nr, Node *res); |
| int complexop(Node *n, Node *res); |
| void nodfconst(Node *n, Type *t, Mpflt* fval); |
| |
| /* |
| * dcl.c |
| */ |
| void addmethod(Sym *sf, Type *t, int local); |
| void addvar(Node *n, Type *t, int ctxt); |
| NodeList* checkarglist(NodeList *all, int input); |
| Node* colas(NodeList *left, NodeList *right); |
| void colasdefn(NodeList *left, Node *defn); |
| NodeList* constiter(NodeList *vl, Node *t, NodeList *cl); |
| Node* dclname(Sym *s); |
| void declare(Node *n, int ctxt); |
| Type* dostruct(NodeList *l, int et); |
| void dumpdcl(char *st); |
| Node* embedded(Sym *s); |
| Node* fakethis(void); |
| void funcbody(Node *n); |
| void funccompile(Node *n, int isclosure); |
| void funchdr(Node *n); |
| Type* functype(Node *this, NodeList *in, NodeList *out); |
| void ifacedcl(Node *n); |
| int isifacemethod(Type *f); |
| void markdcl(void); |
| Node* methodname(Node *n, Type *t); |
| Node* methodname1(Node *n, Node *t); |
| Sym* methodsym(Sym *nsym, Type *t0, int iface); |
| Node* newname(Sym *s); |
| Type* newtype(Sym *s); |
| Node* oldname(Sym *s); |
| void popdcl(void); |
| void poptodcl(void); |
| void redeclare(Sym *s, char *where); |
| void testdclstack(void); |
| Node* typedcl0(Sym *s); |
| Node* typedcl1(Node *n, Node *t, int local); |
| void typedcl2(Type *pt, Type *t); |
| Node* typenod(Type *t); |
| NodeList* variter(NodeList *vl, Node *t, NodeList *el); |
| |
| /* |
| * esc.c |
| */ |
| void escapes(void); |
| |
| /* |
| * export.c |
| */ |
| void autoexport(Node *n, int ctxt); |
| void dumpexport(void); |
| int exportname(char *s); |
| void exportsym(Node *n); |
| void importconst(Sym *s, Type *t, Node *n); |
| void importmethod(Sym *s, Type *t); |
| Sym* importsym(Sym *s, int op); |
| void importtype(Type *pt, Type *t); |
| void importvar(Sym *s, Type *t, int ctxt); |
| Type* pkgtype(Sym *s); |
| |
| /* |
| * fmt.c |
| */ |
| void fmtinstallgo(void); |
| void dump(char *s, Node *n); |
| void dumplist(char *s, NodeList *l); |
| |
| /* |
| * gen.c |
| */ |
| void addrescapes(Node *n); |
| void cgen_as(Node *nl, Node *nr); |
| void cgen_callmeth(Node *n, int proc); |
| void clearlabels(void); |
| void checklabels(void); |
| int dotoffset(Node *n, int *oary, Node **nn); |
| void gen(Node *n); |
| void genlist(NodeList *l); |
| Node* sysfunc(char *name); |
| void tempname(Node *n, Type *t); |
| Node* temp(Type*); |
| |
| /* |
| * init.c |
| */ |
| void fninit(NodeList *n); |
| Node* renameinit(Node *n); |
| |
| /* |
| * lex.c |
| */ |
| void cannedimports(char *file, char *cp); |
| void importfile(Val *f, int line); |
| char* lexname(int lex); |
| char* expstring(void); |
| void mkpackage(char* pkgname); |
| void unimportfile(void); |
| int32 yylex(void); |
| extern int windows; |
| extern int yylast; |
| extern int yyprev; |
| |
| /* |
| * mparith1.c |
| */ |
| int Bconv(Fmt *fp); |
| int Fconv(Fmt *fp); |
| void mpaddcfix(Mpint *a, vlong c); |
| void mpaddcflt(Mpflt *a, double c); |
| void mpatofix(Mpint *a, char *as); |
| void mpatoflt(Mpflt *a, char *as); |
| int mpcmpfixc(Mpint *b, vlong c); |
| int mpcmpfixfix(Mpint *a, Mpint *b); |
| int mpcmpfixflt(Mpint *a, Mpflt *b); |
| int mpcmpfltc(Mpflt *b, double c); |
| int mpcmpfltfix(Mpflt *a, Mpint *b); |
| int mpcmpfltflt(Mpflt *a, Mpflt *b); |
| void mpcomfix(Mpint *a); |
| void mpdivfixfix(Mpint *a, Mpint *b); |
| void mpmodfixfix(Mpint *a, Mpint *b); |
| void mpmovefixfix(Mpint *a, Mpint *b); |
| void mpmovefixflt(Mpflt *a, Mpint *b); |
| int mpmovefltfix(Mpint *a, Mpflt *b); |
| void mpmovefltflt(Mpflt *a, Mpflt *b); |
| void mpmulcfix(Mpint *a, vlong c); |
| void mpmulcflt(Mpflt *a, double c); |
| void mpsubfixfix(Mpint *a, Mpint *b); |
| void mpsubfltflt(Mpflt *a, Mpflt *b); |
| |
| /* |
| * mparith2.c |
| */ |
| void mpaddfixfix(Mpint *a, Mpint *b); |
| void mpandfixfix(Mpint *a, Mpint *b); |
| void mpandnotfixfix(Mpint *a, Mpint *b); |
| void mpdivfract(Mpint *a, Mpint *b); |
| void mpdivmodfixfix(Mpint *q, Mpint *r, Mpint *n, Mpint *d); |
| vlong mpgetfix(Mpint *a); |
| void mplshfixfix(Mpint *a, Mpint *b); |
| void mpmovecfix(Mpint *a, vlong c); |
| void mpmulfixfix(Mpint *a, Mpint *b); |
| void mpmulfract(Mpint *a, Mpint *b); |
| void mpnegfix(Mpint *a); |
| void mporfixfix(Mpint *a, Mpint *b); |
| void mprshfixfix(Mpint *a, Mpint *b); |
| void mpshiftfix(Mpint *a, int s); |
| int mptestfix(Mpint *a); |
| void mpxorfixfix(Mpint *a, Mpint *b); |
| |
| /* |
| * mparith3.c |
| */ |
| void mpaddfltflt(Mpflt *a, Mpflt *b); |
| void mpdivfltflt(Mpflt *a, Mpflt *b); |
| double mpgetflt(Mpflt *a); |
| void mpmovecflt(Mpflt *a, double c); |
| void mpmulfltflt(Mpflt *a, Mpflt *b); |
| void mpnegflt(Mpflt *a); |
| void mpnorm(Mpflt *a); |
| int mptestflt(Mpflt *a); |
| int sigfig(Mpflt *a); |
| |
| /* |
| * obj.c |
| */ |
| void Bputname(Biobuf *b, Sym *s); |
| 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 duint8(Sym *s, int off, uint8 v); |
| int duintptr(Sym *s, int off, uint64 v); |
| int dsname(Sym *s, int off, char *dat, int ndat); |
| void dumpobj(void); |
| void ieeedtod(uint64 *ieee, double native); |
| Sym* stringsym(char*, int); |
| |
| /* |
| * range.c |
| */ |
| void typecheckrange(Node *n); |
| void walkrange(Node *n); |
| |
| /* |
| * reflect.c |
| */ |
| void dumptypestructs(void); |
| Type* methodfunc(Type *f, Type*); |
| Node* typename(Type *t); |
| Sym* typesym(Type *t); |
| int haspointers(Type *t); |
| |
| /* |
| * select.c |
| */ |
| void typecheckselect(Node *sel); |
| void walkselect(Node *sel); |
| |
| /* |
| * sinit.c |
| */ |
| void anylit(int, Node *n, Node *var, NodeList **init); |
| int gen_as_init(Node *n); |
| NodeList* initfix(NodeList *l); |
| int oaslit(Node *n, NodeList **init); |
| int stataddr(Node *nam, Node *n); |
| |
| /* |
| * subr.c |
| */ |
| Node* adddot(Node *n); |
| int adddot1(Sym *s, Type *t, int d, Type **save, int ignorecase); |
| Type* aindex(Node *b, Type *t); |
| int algtype(Type *t); |
| void argtype(Node *on, Type *t); |
| Node* assignconv(Node *n, Type *t, char *context); |
| int assignop(Type *src, Type *dst, char **why); |
| void badtype(int o, Type *tl, Type *tr); |
| int brcom(int a); |
| int brrev(int a); |
| NodeList* concat(NodeList *a, NodeList *b); |
| int convertop(Type *src, Type *dst, char **why); |
| int count(NodeList *l); |
| int cplxsubtype(int et); |
| int eqtype(Type *t1, Type *t2); |
| int eqtypenoname(Type *t1, Type *t2); |
| void errorexit(void); |
| void expandmeth(Sym *s, Type *t); |
| void fatal(char *fmt, ...); |
| void flusherrors(void); |
| void frame(int context); |
| Type* funcfirst(Iter *s, Type *t); |
| Type* funcnext(Iter *s); |
| void genwrapper(Type *rcvr, Type *method, Sym *newnam, int iface); |
| Type** getinarg(Type *t); |
| Type* getinargx(Type *t); |
| Type** getoutarg(Type *t); |
| Type* getoutargx(Type *t); |
| Type** getthis(Type *t); |
| Type* getthisx(Type *t); |
| int implements(Type *t, Type *iface, Type **missing, Type **have, int *ptr); |
| void importdot(Pkg *opkg, Node *pack); |
| int is64(Type *t); |
| int isblank(Node *n); |
| int isfixedarray(Type *t); |
| int isideal(Type *t); |
| int isinter(Type *t); |
| int isnil(Node *n); |
| int isnilinter(Type *t); |
| int isptrto(Type *t, int et); |
| int isslice(Type *t); |
| int istype(Type *t, int et); |
| void linehist(char *file, int32 off, int relative); |
| NodeList* list(NodeList *l, Node *n); |
| NodeList* list1(Node *n); |
| void listsort(NodeList**, int(*f)(Node*, Node*)); |
| Node* liststmt(NodeList *l); |
| NodeList* listtreecopy(NodeList *l); |
| Sym* lookup(char *name); |
| void* mal(int32 n); |
| Type* maptype(Type *key, Type *val); |
| Type* methtype(Type *t); |
| Pkg* mkpkg(Strlit *path); |
| Sym* ngotype(Node *n); |
| int noconv(Type *t1, Type *t2); |
| Node* nod(int op, Node *nleft, Node *nright); |
| Node* nodbool(int b); |
| void nodconst(Node *n, Type *t, int64 v); |
| Node* nodintconst(int64 v); |
| Node* nodfltconst(Mpflt *v); |
| Node* nodnil(void); |
| int parserline(void); |
| Sym* pkglookup(char *name, Pkg *pkg); |
| int powtwo(Node *n); |
| Type* ptrto(Type *t); |
| void* remal(void *p, int32 on, int32 n); |
| Sym* restrictlookup(char *name, Pkg *pkg); |
| Node* safeexpr(Node *n, NodeList **init); |
| void saveerrors(void); |
| Node* cheapexpr(Node *n, NodeList **init); |
| Node* localexpr(Node *n, Type *t, NodeList **init); |
| int32 setlineno(Node *n); |
| void setmaxarg(Type *t); |
| Type* shallow(Type *t); |
| int simsimtype(Type *t); |
| void smagic(Magic *m); |
| Type* sortinter(Type *t); |
| uint32 stringhash(char *p); |
| Strlit* strlit(char *s); |
| int structcount(Type *t); |
| Type* structfirst(Iter *s, Type **nn); |
| Type* structnext(Iter *s); |
| Node* syslook(char *name, int copy); |
| Type* tounsigned(Type *t); |
| Node* treecopy(Node *n); |
| Type* typ(int et); |
| uint32 typehash(Type *t); |
| void ullmancalc(Node *n); |
| void umagic(Magic *m); |
| void warn(char *fmt, ...); |
| void warnl(int line, char *fmt, ...); |
| void yyerror(char *fmt, ...); |
| void yyerrorl(int line, char *fmt, ...); |
| |
| /* |
| * swt.c |
| */ |
| void typecheckswitch(Node *n); |
| void walkswitch(Node *sw); |
| |
| /* |
| * typecheck.c |
| */ |
| int exportassignok(Type *t, char *desc); |
| int islvalue(Node *n); |
| Node* typecheck(Node **np, int top); |
| void typechecklist(NodeList *l, int top); |
| Node* typecheckdef(Node *n); |
| void resumetypecopy(void); |
| void copytype(Node *n, Type *t); |
| void defertypecopy(Node *n, Type *t); |
| void queuemethod(Node *n); |
| |
| /* |
| * unsafe.c |
| */ |
| Node* unsafenmagic(Node *n); |
| |
| /* |
| * walk.c |
| */ |
| Node* callnew(Type *t); |
| Node* chanfn(char *name, int n, Type *t); |
| Node* mkcall(char *name, Type *t, NodeList **init, ...); |
| Node* mkcall1(Node *fn, Type *t, NodeList **init, ...); |
| int vmatch1(Node *l, Node *r); |
| void walk(Node *fn); |
| void walkexpr(Node **np, NodeList **init); |
| void walkexprlist(NodeList *l, NodeList **init); |
| void walkexprlistsafe(NodeList *l, NodeList **init); |
| void walkstmt(Node **np); |
| void walkstmtlist(NodeList *l); |
| |
| /* |
| * arch-specific ggen.c/gsubr.c/gobj.c/pgen.c |
| */ |
| #define P ((Prog*)0) |
| |
| 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 Prog* retpc; |
| |
| EXTERN Node* nodfp; |
| |
| int anyregalloc(void); |
| void betypeinit(void); |
| void bgen(Node *n, int true, Prog *to); |
| void cgen(Node*, Node*); |
| 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); |
| void clearfat(Node *n); |
| void compile(Node*); |
| void defframe(Prog*); |
| int dgostringptr(Sym*, int off, char *str); |
| int dgostrlitptr(Sym*, int off, Strlit*); |
| int dstringptr(Sym *s, int off, char *str); |
| int dsymptr(Sym *s, int off, Sym *x, int xoff); |
| int duintxx(Sym *s, int off, uint64 v, int wid); |
| void dumpdata(void); |
| void dumpfuncs(void); |
| void fixautoused(Prog*); |
| void gdata(Node*, Node*, int); |
| void gdatacomplex(Node*, Mpcplx*); |
| void gdatastring(Node*, Strlit*); |
| void genembedtramp(Type*, Type*, Sym*, int iface); |
| void ggloblnod(Node *nam, int32 width); |
| void ggloblsym(Sym *s, int32 width, int dupok); |
| Prog* gjmp(Prog*); |
| void gused(Node*); |
| int isfat(Type*); |
| void markautoused(Prog*); |
| Plist* newplist(void); |
| Node* nodarg(Type*, int); |
| void nopout(Prog*); |
| void patch(Prog*, Prog*); |
| Prog* unpatch(Prog*); |
| void zfile(Biobuf *b, char *p, int n); |
| void zhist(Biobuf *b, int line, vlong offset); |
| void zname(Biobuf *b, Sym *s, int t); |
| |
| #pragma varargck type "A" int |
| #pragma varargck type "B" Mpint* |
| #pragma varargck type "D" Addr* |
| #pragma varargck type "lD" Addr* |
| #pragma varargck type "E" int |
| #pragma varargck type "F" Mpflt* |
| #pragma varargck type "H" NodeList* |
| #pragma varargck type "J" Node* |
| #pragma varargck type "L" int |
| #pragma varargck type "L" uint |
| #pragma varargck type "N" Node* |
| #pragma varargck type "O" uint |
| #pragma varargck type "P" Prog* |
| #pragma varargck type "Q" Bits |
| #pragma varargck type "R" int |
| #pragma varargck type "S" Sym* |
| #pragma varargck type "lS" Sym* |
| #pragma varargck type "T" Type* |
| #pragma varargck type "lT" Type* |
| #pragma varargck type "V" Val* |
| #pragma varargck type "Y" char* |
| #pragma varargck type "Z" Strlit* |
