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update old_string after a recursive preprocess call so we don't reset to a free'd vector; add recursion header/footer pragmas

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Wolfgang (Blub) Bumiller 2012-11-18 14:39:24 +01:00
parent 441a224435
commit 4c2e5d7ebf
1 changed files with 13 additions and 0 deletions
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13
ftepp.c
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@ -483,6 +483,16 @@ static void ftepp_stringify(ftepp_t *ftepp, macroparam *param)
ftepp_out(ftepp, "\"", false);
}
static void ftepp_recursion_header(ftepp_t *ftepp)
{
ftepp_out(ftepp, "\n#pragma push(line)\n", false);
}
static void ftepp_recursion_footer(ftepp_t *ftepp)
{
ftepp_out(ftepp, "\n#pragma pop(line)\n", false);
}
static bool ftepp_preprocess(ftepp_t *ftepp);
static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *params)
{
@ -560,11 +570,14 @@ static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *param
}
ftepp->output_string = old_string;
ftepp->lex = inlex;
ftepp_recursion_header(ftepp);
if (!ftepp_preprocess(ftepp)) {
lex_close(ftepp->lex);
retval = false;
goto cleanup;
}
ftepp_recursion_footer(ftepp);
old_string = ftepp->output_string;
cleanup:
ftepp->lex = old_lexer;