ref: f71c7191e4e1498955910bf1db4525343eaeb073
dir: /cc1/cc1.h/
#define INPUTSIZ LINESIZ #ifndef PREFIX #define PREFIX "/usr/" #endif #define GLOBALCTX 0 /* * Definition of structures */ typedef struct type Type; typedef struct symbol Symbol; typedef struct caselist Caselist; typedef struct node Node; typedef struct input Input; /* * TODO: Some of the data stored in type is shared with * cc2, so it should be stored in a table shared * between both programs, and dependant of the target. */ struct type { unsigned char op; /* type builder operator */ unsigned char ns; /* namespace for struct members */ short id; /* type id, used in dcls */ char letter; /* letter of the type */ bool defined : 1; /* type defined */ bool sign : 1; /* signess of the type */ bool printed : 1; /* the type already was printed */ size_t size; /* sizeof the type */ size_t align; /* align of the type */ Type *type; /* base type */ Symbol *tag; /* symbol of the strug tag */ Type *next; /* next element in the hash */ union { Type **pars; /* Function type parameters */ Symbol **fields; /* fields of aggregate type */ } p; union { unsigned char rank; /* convertion rank */ short elem; /* number of type parameters */ } n; }; struct symbol { char *name; Type *type; short id; unsigned char ctx; unsigned char ns; unsigned char token; short flags; union { TINT i; TUINT u; TFLOAT f; char *s; unsigned char token; Symbol **pars; } u; struct symbol *next; struct symbol *hash; }; struct node { unsigned char op; Type *type; Symbol *sym; bool lvalue : 1; bool symbol: 1; bool constant : 1; struct node *left, *right; }; struct scase { Symbol *label; Node *expr; struct scase *next; }; struct caselist { short nr; Symbol *deflabel; struct scase *head; }; struct yystype { Symbol *sym; unsigned char token; }; struct input { char *fname; FILE *fp; char *line, *begin, *p; struct input *next; unsigned short nline; }; /* * Definition of enumerations */ /* recovery points */ enum { END_DECL, END_LDECL, END_COMP, END_COND }; /* type constructors */ enum { FTN = 1, PTR, ARY }; /* namespaces */ enum { NS_IDEN = 1, NS_TAG, NS_LABEL, NS_CPP, NS_KEYWORD, NS_CPPCLAUSES, NS_STRUCTS }; /* symbol flags */ enum { ISAUTO = 1, ISREGISTER = 2, ISDECLARED = 4, ISFIELD = 8, ISEXTERN = 16, ISUSED = 32, ISCONSTANT = 64, ISGLOBAL = 128, ISPRIVATE = 256, ISLOCAL = 512, ISEMITTED = 1024, ISDEFINED = 2048, ISSTRING = 4096 }; /* lexer mode, compiler or preprocessor directive */ enum { CCMODE, CPPMODE }; /* input tokens */ enum tokens { TQUALIFIER = 128, TYPE, IDEN, SCLASS, CONSTANT, SIZEOF, INDIR, INC, DEC, SHL, SHR, LE, GE, EQ, NE, AND, OR, MUL_EQ, DIV_EQ, MOD_EQ, ADD_EQ, SUB_EQ, AND_EQ, XOR_EQ, OR_EQ, SHL_EQ, SHR_EQ, ELLIPSIS, CASE, DEFAULT, IF, ELSE, SWITCH, WHILE, DO, FOR, GOTO, VOID, FLOAT, INT, BOOL, STRUCT, UNION, CHAR, DOUBLE, SHORT, LONG, LLONG, COMPLEX, CONST, VOLATILE, RESTRICT, TYPEDEF, EXTERN, STATIC, AUTO, REGISTER, ENUM, TYPEIDEN, UNSIGNED, SIGNED, CONTINUE, BREAK, RETURN, DEFINE, INCLUDE, LINE, PRAGMA, ERROR, IFDEF, ELIF, IFNDEF, UNDEF, ENDIF, EOFTOK }; /* operations */ enum { OPTR, OADD, OMUL, OSUB, OINC, ODEC, ODIV, OMOD, OSHL, OSHR, OBAND, OBXOR, OBOR, OASSIGN, OA_MUL, OA_DIV, OA_MOD, OA_ADD, OA_SUB, OA_SHL, OA_SHR, OA_AND, OA_XOR, OA_OR, OADDR, ONEG, OCPL, OEXC, OCOMMA, OCAST, OSYM, OASK, OCOLON, OFIELD, OLABEL, ODEFAULT, OCASE, OJUMP, OBRANCH, OEXPR, OEFUN, OELOOP, OBLOOP, OFUN, OPAR, OCALL, ORET, ODECL, OSWITCH, OAND, OOR, OEQ, ONE, OLT, OGE, OLE, OGT }; /* error.c */ extern void error(char *fmt, ...); extern void warn(char *fmt, ...); extern void unexpected(void); extern void printerr(char *fmt, ...); extern void cpperror(char *fmt, ...); /* types.c */ extern bool eqtype(Type *tp1, Type *tp2); extern Type *ctype(unsigned type, unsigned sign, unsigned size); extern Type *mktype(Type *tp, unsigned op, short nelem, Type *data[]); extern Type *duptype(Type *base); /* symbol.c */ extern void dumpstab(char *msg); extern Symbol *lookup(unsigned ns); extern Symbol *nextsym(Symbol *sym, unsigned ns); extern Symbol *install(unsigned ns, Symbol *sym); extern Symbol *newsym(unsigned ns); extern void pushctx(void), popctx(void); extern void ikeywords(void); extern void delmacro(Symbol *sym); /* stmt.c */ extern void compound(Symbol *lbreak, Symbol *lcont, Caselist *lswitch); /* decl.c */ extern Type *typename(void); extern void decl(void); /* lex.c */ extern char ahead(void); extern unsigned next(void); extern bool moreinput(void); extern void expect(unsigned tok); extern void discard(void); extern bool addinput(char *fname); extern void setnamespace(int ns); extern void setsafe(int type); extern void ilex(char *fname); #define accept(t) ((yytoken == (t)) ? next() : 0) /* code.c */ extern void emit(unsigned, void *); extern Node *node(unsigned op, Type *tp, Node *left, Node *rigth); extern Node *varnode(Symbol *sym); extern Node *constnode(Symbol *sym); extern Node *sizeofnode(Type *tp); extern void freetree(Node *np); #define BTYPE(np) ((np)->type->op) /* expr.c */ extern Node *expr(void), *negate(Node *np), *constexpr(void); extern Node *convert(Node *np, Type *tp1, char iscast); extern Node *iszero(Node *np), *eval(Node *np), *iconstexpr(void); /* cpp.c */ extern void icpp(void); extern bool cpp(void); extern bool expand(char *begin, Symbol *sym); /* * Definition of global variables */ extern struct yystype yylval; extern char yytext[]; extern unsigned yytoken; extern unsigned short yylen; extern int cppoff, disexpand; extern unsigned cppctx; extern Input *input; extern int lexmode; extern unsigned curctx; extern Symbol *curfun, *zero, *one; extern Type *voidtype, *pvoidtype, *booltype, *uchartype, *chartype, *uinttype, *inttype, *sizettype, *ushortype, *shortype, *longtype, *ulongtype, *ullongtype, *llongtype, *floattype, *doubletype, *ldoubletype;