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-W[no-]error: rid of TCCState.warn_none, too; and adjust -h/-hh output

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This commit is contained in:
Steffen Nurpmeso 2021-07-27 20:55:24 +02:00
parent 0d59ac4817
commit 49cd6f59b2
3 changed files with 19 additions and 14 deletions
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8
libtcc.c
View File

@ -542,9 +542,9 @@ static void error1(int mode, const char *fmt, va_list ap)
tcc_exit_state();
if (mode == ERROR_WARN) {
if (s1->warn_none)
if (s1->warn_mask & WARN_DISABLED)
return;
if (s1->warn_mask & (WARN_ERROR << WARN_ERROR_SHIFT))
if (s1->warn_mask & WARN_ERROR_MASK) /* XXX individual ignorance */
mode = ERROR_ERROR;
}
@ -1976,12 +1976,12 @@ reparse:
}
break;
case TCC_OPTION_W:
s->warn_none = 0;
s->warn_mask &= ~WARN_DISABLED;
if (optarg[0] && set_W_flag(s, optarg) < 0)
goto unsupported_option;
break;
case TCC_OPTION_w:
s->warn_none = 1;
s->warn_mask |= WARN_DISABLED;
break;
case TCC_OPTION_rdynamic:
s->rdynamic = 1;

12
tcc.c
View File

@ -36,7 +36,7 @@ static const char help[] =
" -std=c99 Conform to the ISO 1999 C standard (default).\n"
" -std=c11 Conform to the ISO 2011 C standard.\n"
" -Wwarning set or reset (with 'no-' prefix) 'warning' (see tcc -hh)\n"
" -w disable all warnings\n"
" -w disable all warnings and their consequences\n"
" --version -v show version\n"
" -vv show search paths or loaded files\n"
" -h -hh show this, show more help\n"
@ -101,12 +101,12 @@ static const char help2[] =
" -dt with -run/-E: auto-define 'test_...' macros\n"
"Ignored options:\n"
" --param -pedantic -pipe -s -traditional\n"
"-W... warnings:\n"
"-W[no-]... warnings:\n"
" all turn on some (*) warnings\n"
" error stop after first warning\n"
" unsupported warn about ignored options, pragmas, etc.\n"
" write-strings strings are const\n"
" implicit-function-declaration warn for missing prototype (*)\n"
" error[=(X)] error out after first warning (for X)\n"
" unsupported warn for ignored options, pragmas,.. (X)\n"
" write-strings strings are const (*,X)\n"
" implicit-function-declaration warn for missing prototype (*,X)\n"
"-f[no-]... flags:\n"
" unsigned-char default char is unsigned\n"
" signed-char default char is signed\n"

13
tcc.h
View File

@ -744,10 +744,16 @@ enum warn_option {
WARN_GCC_COMPAT = 1u<<1,
WARN_WRITE_STRINGS = 1u<<2,
WARN_IMPLICIT_FUNCTION_DECLARATION = 1u<<3,
WARN_ERROR = 1u<<4, /* Not really as such in warn area, here only "MAX" */
WARN_ALL = WARN_ERROR - 1
/* _ERROR is in lower as "max", there is no warning for it */
WARN_ERROR = 1u<<4,
WARN_ALL = WARN_ERROR - 1,
/* Is neither in lower nor upper: disables warnings and errors (-w) */
WARN_DISABLED = WARN_ERROR << 1
};
enum {
WARN_ERROR_SHIFT = 16u,
WARN_ERROR_MASK = (WARN_ALL | WARN_ERROR) << WARN_ERROR_SHIFT
};
enum {WARN_ERROR_SHIFT = 16u};
struct TCCState {
unsigned char verbose; /* if true, display some information during compilation */
@ -779,7 +785,6 @@ struct TCCState {
unsigned char dollars_in_identifiers; /* allows '$' char in identifiers */
unsigned char ms_bitfields; /* if true, emulate MS algorithm for aligning bitfields */
unsigned char warn_none;
/* NEED_WARNING(SELF,X) used to drive W[[no-]error]=X */
uint32_t warn_mask;
#define NEED_WARNING(SELF,SWITCH) \