scc

Simple C99 Compiler
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commit 7a2a1f936d8ca77484fa4ddb3b1244ecd350a8b5
parent 68ab5ce9603446bf4a4098e7d03f32f9be99171f
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 13 Aug 2015 12:58:34 +0200

Add DBG() macro

This macro removes all the debug output when NDEBUG is defined

Diffstat:
cc1/cpp.c | 6+++---
cc1/lex.c | 2+-
inc/cc.h | 6++++++
3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/cc1/cpp.c b/cc1/cpp.c @@ -207,12 +207,12 @@ expand(char *begin, Symbol *sym) if (!parsepars(arguments, arglist, atoi(s))) return 0; for (n = 0; n < atoi(s); ++n) - fprintf(stderr, "MACRO par%d:%s\n", n, arglist[n]); + DBG(stderr, "MACRO par%d:%s\n", n, arglist[n]); elen = copymacro(buffer, s+3, INPUTSIZ-1, arglist); substitute: - fprintf(stderr, "MACRO '%s' expanded to :'%s'\n", macroname, buffer); + DBG(stderr, "MACRO '%s' expanded to :'%s'\n", macroname, buffer); rlen = strlen(input->p); /* rigth length */ llen = begin - input->line; /* left length */ ilen = input->p - begin; /* invocation length */ @@ -334,7 +334,7 @@ define(void) if (!getdefs(args, n, buff+3, LINESIZ-3)) goto delete; sym->u.s = xstrdup(buff); - fprintf(stderr, "MACRO '%s' defined as '%s'\n", sym->name, buff); + DBG(stderr, "MACRO '%s' defined as '%s'\n", sym->name, buff); return; delete: diff --git a/cc1/lex.c b/cc1/lex.c @@ -537,7 +537,7 @@ next(void) yytoken = operator(); exit: - fprintf(stderr, "TOKEN %s\n", yytext); + DBG(stderr, "TOKEN %s\n", yytext); lex_ns = NS_IDEN; return yytoken; } diff --git a/inc/cc.h b/inc/cc.h @@ -7,6 +7,12 @@ typedef unsigned bool; #endif #endif +#ifndef NDEBUG +#define DBG(...) fprintf(__VA_ARGS__) +#else +#define DBG(...) +#endif + #define TINT long #define TUINT unsigned long #define TFLOAT double