ref: def218a52a93259da43d7e2aa43e4a56a8cbd908
dir: /cc2/cc2.h/
/* See LICENSE file for copyright and license details. */ enum iflags { BBENTRY = 1, /* basic block entry */ }; enum tflags { SIGNF = 1 << 0, /* Signed type */ INTF = 1 << 1, /* integer type */ FLOATF = 1 << 2, /* float type */ STRF = 1 << 3, /* string */ AGGRF = 1 << 4, /* aggregate */ FUNF = 1 << 5, /* function */ PARF = 1 << 6, /* parameter */ INITF = 1 << 7, /* initializer flag */ ELLIPS = 1 << 8, /* vararg function */ }; enum sclass { SAUTO = 'A', SREG = 'R', SLABEL = 'L', SINDEX = 'I', STMP = 'N', SGLOB = 'G', SEXTRN = 'X', SPRIV = 'Y', SLOCAL = 'T', SMEMB = 'M', SCONST = '#', STRING = '"', SNONE = 0 /* cc2 relies on SNONE being 0 in nextpc() */ }; enum types { ELLIPSIS = 'E', INT8 = 'C', INT16 = 'I', INT32 = 'W', INT64 = 'Q', UINT8 = 'K', UINT16 = 'N', UINT32 = 'Z', UINT64 = 'O', POINTER = 'P', FUNCTION = 'F', VECTOR = 'V', UNION = 'U', STRUCT = 'S', BOOL = 'B', FLOAT = 'J', DOUBLE = 'D', LDOUBLE = 'H', VOID = '0' }; enum op { /* kind of operand */ /* operands */ OMEM = 'M', OTMP = 'N', OAUTO = 'A', OREG = 'R', OCONST = '#', OSTRING = '"', OLOAD = 'D', OLABEL = 'L', OADD = '+', OSUB = '-', OMUL = '*', OMOD = '%', ODIV = '/', OSHL = 'l', OSHR = 'r', OLT = '<', OGT = '>', OLE = '[', OGE = ']', OEQ = '=', ONE = '!', OBAND = '&', OBOR = '|', OBXOR = '^', OCPL = '~', OASSIG = ':', OSNEG = '_', OCALL = 'c', OCALLE = 'z', OPAR = 'p', OFIELD = '.', OCOMMA = ',', OASK = '?', OCOLON = ' ', OADDR = '\'', OAND = 'a', OOR = 'o', ONEG = 'n', OPTR = '@', OCAST = 'g', OINC = 'i', ODEC = 'd', OBUILTIN = 'm', /*statements */ ONOP = 'q', OJMP = 'j', OBRANCH = 'y', ORET = 'h', OBLOOP = 'b', OELOOP = 'e', OCASE = 'v', ODEFAULT = 'f', OBSWITCH = 's', OESWITCH = 't', OBFUN = 'x', OEFUN = 'k', }; enum builtins { BVA_START = 's', BVA_END = 'e', BVA_ARG = 'a', BVA_COPY = 'c', }; enum nerrors { EEOFFUN, /* EOF while parsing function */ ENLABEL, /* label without statement */ EIDOVER, /* identifier overflow */ EOUTPAR, /* out pf params */ ESYNTAX, /* syntax error */ ESTACKA, /* stack unaligned */ ESTACKO, /* stack overflow */ ESTACKU, /* stack underflow */ ELNLINE, /* line too long */ ELNBLNE, /* line without new line */ EFERROR, /* error reading from file:%s*/ EBADID, /* incorrect symbol id */ EWTACKO, /* switch stack overflow */ EWTACKU, /* switch stack underflow */ ENOSWTC, /* Out of switch statement */ EBBUILT, /* Unknown builtin */ ENUMERR }; typedef struct node Node; typedef struct type Type; typedef struct symbol Symbol; typedef struct addr Addr; typedef struct inst Inst; struct type { unsigned long size; unsigned long align; short flags; }; struct symbol { Type type; Type rtype; unsigned short id; unsigned short numid; char *name; char kind; union { unsigned long off; Node *stmt; Inst *inst; } u; Symbol *next; Symbol *h_next; }; struct node { char op; Type type; char complex; char address; unsigned char flags; union { TUINT i; TFLOAT f; char reg; char *s; Symbol *sym; char subop; } u; Symbol *label; Node *left, *right; Node *next, *prev; }; struct addr { char kind; union { char reg; TUINT i; Symbol *sym; } u; }; struct inst { unsigned char op; unsigned char flags; Symbol *label; Inst *next, *prev; Addr from1, from2, to; }; /* main.c */ extern void error(unsigned nerror, ...); /* parse.c */ extern void parse(void); /* optm.c */ extern Node *optm_dep(Node *np), *optm_ind(Node *np); /* cgen.c */ extern Node *sethi(Node *np); extern Node *cgen(Node *np); /* peep.c */ extern void peephole(void); /* code.c */ extern void data(Node *np); extern void writeout(void), endinit(void), newfun(void); extern void code(int op, Node *to, Node *from1, Node *from2); extern void defvar(Symbol *), defpar(Symbol *), defglobal(Symbol *); extern void setlabel(Symbol *sym), getbblocks(void); extern Node *label2node(Node *np, Symbol *sym); extern Node *constnode(Node *np, TUINT n, Type *tp); extern Symbol *newlabel(void); /* node.c */ #define SETCUR 1 #define KEEPCUR 0 extern void apply(Node *(*fun)(Node *)); extern void cleannodes(void); extern void delnode(Node *np); extern void deltree(Node *np); extern void prtree(Node *np), prforest(char *msg); extern Node *newnode(int op); extern Node *addstmt(Node *np, int flags); extern Node *delstmt(void); extern Node *nextstmt(void); /* symbol.c */ #define TMPSYM 0 extern Symbol *getsym(unsigned id); extern void popctx(void); extern void pushctx(void); extern void freesym(Symbol *sym); /* globals */ extern Symbol *curfun; extern Symbol *locals; extern Inst *pc, *prog;