ref: 695cff844c8fb4d44a68da49758db726f47d9288
dir: /cc1/cc1.h/
/*
* Definition of structures
*/
typedef struct type Type;
typedef struct symbol Symbol;
typedef struct caselist Caselist;
typedef struct node Node;
struct type {
uint8_t op; /* type builder operator */
uint8_t ns;
char letter; /* letter of the type */
bool defined; /* type defined (is not a forward reference) */
Type *type; /* base type */
Type *next; /* next element in the hash */
Type **pars; /* type parameters */
union {
unsigned char rank; /* convertion rank */
short elem; /* number of type parameters */
} n;
};
struct symbol {
char *name;
Type *type;
short id;
uint8_t ctx;
uint8_t ns;
uint8_t token;
char flags;
union {
int i;
char *s;
uint8_t token;
} u;
struct symbol *next;
struct symbol *hash;
};
struct node {
uint8_t 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;
uint8_t token;
};
/*
* 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,
NS_TAG,
NS_LABEL,
NS_CPP,
NS_STRUCTS
};
/* symbol flags */
enum {
ISGLOBAL = 1,
ISSTATIC = 2,
ISAUTO = 4,
ISREGISTER = 8,
ISDEFINED = 16,
ISFIELD = 32,
ISPARAM = 64,
ISEXTERN =128
};
/* 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,
EOFTOK,
NOTOK
};
/* operations */
enum {
OPTR,
OADD,
OSIZE,
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,
OSTRUCT,
OJUMP,
OBRANCH,
OEXPR,
OEFUN,
OESTRUCT,
OELOOP,
OBLOOP,
OPRINT,
OFUN,
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 softerror(char *fmt, ...);
extern void setsafe(uint8_t type);
/* type.c */
extern bool eqtype(Type *tp1, Type *tp2);
extern Type *ctype(uint8_t type, uint8_t sign, uint8_t size);
extern Type *mktype(Type *tp, uint8_t op, short nelem, void *data);
/* symbol.c */
extern Symbol *lookup(char *s, unsigned char ns);
extern Symbol *install(char *s, unsigned char ns);
extern void pushctx(void), popctx(void);
/* stmt.c */
extern void compound(Symbol *lbreak, Symbol *lcont, Caselist *lswitch);
/* decl.c */
extern Type *typename(void);
extern void extdecl(void), decl(void);
/* lex.c */
extern uint8_t ahead(void);
extern uint8_t next(void);
extern void expect(uint8_t tok);
extern void discard(void);
extern char *getfname(void);
extern unsigned short getfline(void);
extern void setfname(char *name);
extern void setfline(unsigned short line);
extern bool addinput(char *fname);
extern void delinput(void);
#define accept(t) ((yytoken == (t)) ? next() : 0)
/* code.c */
extern void emit(uint8_t, void *);
extern Node *node(uint8_t 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);
/* expr.c */
extern Node *expr(void), *negate(Node *np);
/* cpp.c */
extern char *preprocessor(char *s);
/*
* Definition of global variables
*/
extern struct yystype yylval;
extern char yytext[];
extern uint8_t yytoken;
extern Type *voidtype, *pvoidtype, *booltype,
*uchartype, *chartype,
*uinttype, *inttype,
*ushortype, *shortype,
*longtype, *ulongtype,
*ullongtype, *llongtype,
*floattype, *doubletype, *ldoubletype;