scc

Simple C99 Compiler
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commit 2a872329eddbee463a4150cfb6082feacb0761c0
parent 0f7ab686171677c9d8e7e6d6c5c518038c8e25cb
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue, 26 May 2015 08:21:35 +0200

Add dumpstab()

This function dumps the content of the symbol table hash and it is useful
for debugging.

Diffstat:
cc1/cc1.h | 1+
cc1/symbol.c | 20++++++++++++++++++++
2 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/cc1/cc1.h b/cc1/cc1.h @@ -251,6 +251,7 @@ extern Type *ctype(unsigned type, unsigned sign, unsigned size); extern Type *mktype(Type *tp, unsigned op, short nelem, void *data); /* symbol.c */ +extern void dumpstab(char *msg); extern Symbol *lookup(unsigned ns); extern Symbol *install(unsigned ns); extern Symbol *newsym(unsigned ns); diff --git a/cc1/symbol.c b/cc1/symbol.c @@ -16,6 +16,26 @@ static short globalcnt; static Symbol *head; static Symbol *htab[NR_SYM_HASH]; +#ifndef NDEBUG +#include <stdio.h> +void +dumpstab(char *msg) +{ + Symbol **bp, *sym; + + fputs(msg, stderr); + putc('\n', stderr); + for (bp = htab; bp < &htab[NR_SYM_HASH]; ++bp) { + if (*bp == NULL) + continue; + fprintf(stderr, "%d", bp - htab); + for (sym = *bp; sym; sym = sym->hash) + fprintf(stderr, "->%d:%s", sym->ns, sym->name); + putc('\n', stderr); + } +} +#endif + static inline unsigned hash(const char *s) {