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intern symbol names

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Symbols in the source file are still limited in
length because the rest of the code assumes that
strings always fit in NString bytes.

Regardless, there is already a benefit because
comparing/copying symbol names does not require
using strcmp()/strcpy() anymore.
This commit is contained in:
Quentin Carbonneaux 2017-05-17 09:40:07 -04:00
parent 2d02070af0
commit a3a1451c5f
10 changed files with 143 additions and 87 deletions
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13
all.h
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@ -275,7 +275,7 @@ struct Alias {
#define astack(t) ((t) & 1)
} type;
Ref base;
char label[NString];
uint32_t label;
int64_t offset;
Alias *slot;
};
@ -312,7 +312,7 @@ struct Con {
CBits,
CAddr,
} type;
char label[NString];
uint32_t label;
union {
int64_t i;
double d;
@ -411,19 +411,22 @@ typedef enum {
extern Typ *typ;
extern Ins insb[NIns], *curi;
uint32_t hash(char *);
void die_(char *, char *, ...) __attribute__((noreturn));
void *emalloc(size_t);
void *alloc(size_t);
void freeall(void);
void *vnew(ulong, size_t, Pool);
void vfree(void *);
void vgrow(void *, ulong);
uint32_t intern(char *);
char *str(uint32_t);
int argcls(Ins *, int);
int iscmp(int, int *, int *);
void emit(int, int, Ref, Ref, Ref);
void emiti(Ins);
void idup(Ins **, Ins *, ulong);
Ins *icpy(Ins *, Ins *, ulong);
void *vnew(ulong, size_t, Pool);
void vfree(void *);
void vgrow(void *, ulong);
int cmpop(int);
int cmpneg(int);
int clsmerge(short *, short);