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enum typequalifier {
QUALNONE,
QUALCONST = 1<<1,
QUALRESTRICT = 1<<2,
QUALVOLATILE = 1<<3,
QUALATOMIC = 1<<4,
};
enum typekind {
TYPENONE,
TYPEQUALIFIED,
TYPEVOID,
TYPEBASIC,
TYPEPOINTER,
TYPEARRAY,
TYPEFUNC,
TYPESTRUCT,
TYPEUNION,
};
enum typeproperty {
PROPNONE,
PROPOBJECT = 1<<0,
PROPCHAR = 1<<1,
PROPINT = 1<<2,
PROPREAL = 1<<3,
PROPARITH = 1<<4,
PROPSCALAR = 1<<5,
PROPAGGR = 1<<6,
PROPDERIVED = 1<<7,
PROPFLOAT = 1<<8,
};
struct parameter {
char *name;
struct type *type;
struct value *value;
struct parameter *next;
};
struct member {
char *name;
struct type *type;
uint64_t offset;
};
struct type {
enum typekind kind;
int align;
uint64_t size;
struct representation *repr;
union {
struct type *base;
struct list link; /* used only during construction of type */
};
_Bool incomplete;
union {
struct {
enum typequalifier kind;
} qualified;
struct {
enum {
BASICBOOL,
BASICCHAR,
BASICSHORT,
BASICINT,
BASICLONG,
BASICLONGLONG,
BASICFLOAT,
BASICDOUBLE,
BASICLONGDOUBLE,
} kind;
_Bool issigned, iscomplex;
} basic;
struct {
uint64_t length;
} array;
struct {
int isprototype, isvararg;
struct parameter *params;
_Bool isnoreturn;
} func;
struct {
char *tag;
struct array members;
} structunion;
};
};
struct type *mktype(enum typekind, struct type *base);
struct type *mkqualifiedtype(struct type *, enum typequalifier);
struct type *mkpointertype(struct type *);
struct type *mkarraytype(struct type *, uint64_t);
_Bool typecompatible(struct type *, struct type *);
_Bool typesame(struct type *, struct type *);
struct type *typecomposite(struct type *, struct type *);
struct type *typeunqual(struct type *, enum typequalifier *);
struct type *typecommonreal(struct type *, struct type *);
struct type *typeargpromote(struct type *);
struct type *typeintpromote(struct type *);
enum typeproperty typeprop(struct type *);
struct member *typemember(struct type *, const char *name);
struct parameter *mkparam(char *, struct type *);
extern struct type typevoid;
extern struct type typebool;
extern struct type typechar, typeschar, typeuchar;
extern struct type typeshort, typeushort;
extern struct type typeint, typeuint;
extern struct type typelong, typeulong;
extern struct type typellong, typeullong;
extern struct type typefloat, typedouble, typelongdouble;
extern struct type typevalist, typevalistptr;
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