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Implement support for #include MACRO and #include __LINE__

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This commit is contained in:
Dale Weiler 2014-11-07 03:12:34 -05:00
parent 103e549615
commit 8f7242d314
1 changed files with 38 additions and 9 deletions
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47
ftepp.c
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@ -1461,6 +1461,7 @@ static bool ftepp_include(ftepp_t *ftepp)
lex_ctx_t ctx;
char lineno[128];
char *filename;
char *parsename = NULL;
char *old_includename;
(void)ftepp_next(ftepp);
@ -1468,28 +1469,56 @@ static bool ftepp_include(ftepp_t *ftepp)
return false;
if (ftepp->token != TOKEN_STRINGCONST) {
ftepp_error(ftepp, "expected filename to include");
return false;
ppmacro *macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
if (macro) {
char *backup = ftepp->output_string;
ftepp->output_string = NULL;
if (ftepp_macro_expand(ftepp, macro, NULL, true)) {
parsename = util_strdup(ftepp->output_string);
vec_free(ftepp->output_string);
ftepp->output_string = backup;
} else {
ftepp->output_string = backup;
ftepp_error(ftepp, "expected filename to include");
return false;
}
} else if (OPTS_FLAG(FTEPP_PREDEFS)) {
/* Well it could be a predefine like __LINE__ */
char *(*predef)(ftepp_t*) = ftepp_predef(ftepp_tokval(ftepp));
if (predef) {
parsename = predef(ftepp);
} else {
ftepp_error(ftepp, "expected filename to include");
return false;
}
}
}
if (!ftepp->output_on) {
ftepp_next(ftepp);
(void)ftepp_next(ftepp);
return true;
}
if (parsename)
unescape(parsename, parsename);
else {
char *tokval = ftepp_tokval(ftepp);
unescape(tokval, tokval);
parsename = util_strdup(tokval);
}
ctx = ftepp_ctx(ftepp);
unescape(ftepp_tokval(ftepp), ftepp_tokval(ftepp));
ftepp_out(ftepp, "\n#pragma file(", false);
ftepp_out(ftepp, ftepp_tokval(ftepp), false);
ftepp_out(ftepp, parsename, false);
ftepp_out(ftepp, ")\n#pragma line(1)\n", false);
filename = ftepp_include_find(ftepp, ftepp_tokval(ftepp));
filename = ftepp_include_find(ftepp, parsename);
if (!filename) {
ftepp_error(ftepp, "failed to open include file `%s`", ftepp_tokval(ftepp));
ftepp_error(ftepp, "failed to open include file `%s`", parsename);
mem_d(parsename);
return false;
}
mem_d(parsename);
inlex = lex_open(filename);
if (!inlex) {
ftepp_error(ftepp, "open failed on include file `%s`", filename);