OSO/TinyCC
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Added a gcc preprocessor options -P, -P1

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tcc -E -P
  do not output a #line directive, a gcc compatible option

tcc -E -P1
  don't follow a gcc preprocessor style and do output a standard
  #line directive. In such case we don't lose a location info when
  we going to compile a resulting file wtith a compiler not
  understanding a gnu style line info.
This commit is contained in:
seyko
2015-03-03 14:19:14 +03:00
parent 40418f87c7
commit 50cdccf3ef
4 changed files with 46 additions and 10 deletions
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5
libtcc.c
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@ -1647,6 +1647,7 @@ enum {
TCC_OPTION_I,
TCC_OPTION_D,
TCC_OPTION_U,
TCC_OPTION_P,
TCC_OPTION_L,
TCC_OPTION_B,
TCC_OPTION_l,
@ -1695,6 +1696,7 @@ static const TCCOption tcc_options[] = {
{ "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
{ "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
{ "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
{ "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
{ "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
{ "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
{ "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
@ -1930,6 +1932,9 @@ PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
tcc_warning("-E: some compiler action already specified (%d)", s->output_type);
s->output_type = TCC_OUTPUT_PREPROCESS;
break;
case TCC_OPTION_P:
s->Pflag = atoi(optarg) + 1;
break;
case TCC_OPTION_MD:
s->gen_deps = 1;
break;