char *itemname;
char *includename;
+ bool in_macro;
} ftepp_t;
/*
{
pptoken *ptok;
while (ftepp->token != TOKEN_EOL && ftepp->token < TOKEN_EOF) {
- if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_ARGS__"))
- ftepp->token = TOKEN_VA_ARGS;
- ptok = pptoken_make(ftepp);
- vec_push(macro->output, ptok);
- ftepp_next(ftepp);
+ bool subscript = false;
+ size_t index = 0;
+ if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_ARGS__")) {
+ subscript = !!(ftepp_next(ftepp) == '#');
+
+ if (subscript && ftepp_next(ftepp) != '#') {
+ ftepp_error(ftepp, "expected `##` in __VA_ARGS__ for subscripting");
+ return false;
+ } else if (subscript) {
+ if (ftepp_next(ftepp) == '[') {
+ if (ftepp_next(ftepp) != TOKEN_INTCONST) {
+ ftepp_error(ftepp, "expected index for __VA_ARGS__ subscript");
+ return false;
+ }
+
+ index = atoi(ftepp_tokval(ftepp));
+
+ if (ftepp_next(ftepp) != ']') {
+ ftepp_error(ftepp, "expected `]` in __VA_ARGS__ subscript");
+ return false;
+ }
+
+ /*
+ * mark it as an array to be handled later as such and not
+ * as traditional __VA_ARGS__
+ */
+ ftepp->token = TOKEN_VA_ARGS_ARRAY;
+ ptok = pptoken_make(ftepp);
+ ptok->constval.i = index;
+ vec_push(macro->output, ptok);
+ ftepp_next(ftepp);
+ } else {
+ ftepp_error(ftepp, "expected `[` for subscripting of __VA_ARGS__");
+ return false;
+ }
+ } else {
+ int old = ftepp->token;
+ ftepp->token = TOKEN_VA_ARGS;
+ ptok = pptoken_make(ftepp);
+ vec_push(macro->output, ptok);
+ ftepp->token = old;
+ }
+ }
+ else
+ {
+ ptok = pptoken_make(ftepp);
+ vec_push(macro->output, ptok);
+ ftepp_next(ftepp);
+ }
}
/* recursive expansion can cause EOFs here */
if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
case TOKEN_KEYWORD:
macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
if (macro && ftepp->output_on) {
- if (ftepp_warn(ftepp, WARN_PREPROCESSOR, "redefining `%s`", ftepp_tokval(ftepp)))
+ if (ftepp_warn(ftepp, WARN_CPP, "redefining `%s`", ftepp_tokval(ftepp)))
return false;
ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
}
static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *params, bool resetline)
{
char *old_string = ftepp->output_string;
+ char *inner_string;
lex_file *old_lexer = ftepp->lex;
size_t vararg_start = vec_size(macro->params);
bool retval = true;
size_t o, pi;
lex_file *inlex;
+ bool old_inmacro;
+
int nextok;
if (vararg_start < vec_size(params))
case TOKEN_VA_ARGS:
if (!macro->variadic) {
ftepp_error(ftepp, "internal preprocessor error: TOKEN_VA_ARGS in non-variadic macro");
+ vec_free(old_string);
return false;
}
if (!varargs)
break;
+
pi = 0;
ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
for (++pi; pi < varargs; ++pi) {
ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
}
break;
+
+ case TOKEN_VA_ARGS_ARRAY:
+ if ((size_t)out->constval.i >= varargs) {
+ ftepp_error(ftepp, "subscript of `[%u]` is out of bounds for `__VA_ARGS__`", out->constval.i);
+ vec_free(old_string);
+ return false;
+ }
+
+ ftepp_param_out(ftepp, ¶ms[out->constval.i + vararg_start]);
+ break;
+
case TOKEN_IDENT:
case TOKEN_TYPENAME:
case TOKEN_KEYWORD:
}
}
vec_push(ftepp->output_string, 0);
- has_newlines = (strchr(ftepp->output_string, '\n') != NULL);
/* Now run the preprocessor recursively on this string buffer */
/*
printf("__________\n%s\n=========\n", ftepp->output_string);
retval = false;
goto cleanup;
}
- ftepp->output_string = old_string;
- inlex->line = ftepp->lex->line;
+
+ inlex->line = ftepp->lex->line;
inlex->sline = ftepp->lex->sline;
- ftepp->lex = inlex;
- if (has_newlines)
- ftepp_recursion_header(ftepp);
+ ftepp->lex = inlex;
+
+ old_inmacro = ftepp->in_macro;
+ ftepp->in_macro = true;
+ ftepp->output_string = NULL;
if (!ftepp_preprocess(ftepp)) {
+ ftepp->in_macro = old_inmacro;
vec_free(ftepp->lex->open_string);
- old_string = ftepp->output_string;
+ vec_free(ftepp->output_string);
lex_close(ftepp->lex);
retval = false;
goto cleanup;
}
+ ftepp->in_macro = old_inmacro;
vec_free(ftepp->lex->open_string);
- if (has_newlines)
+ lex_close(ftepp->lex);
+
+ inner_string = ftepp->output_string;
+ ftepp->output_string = old_string;
+
+ has_newlines = (strchr(inner_string, '\n') != NULL);
+
+ if (has_newlines && !old_inmacro)
+ ftepp_recursion_header(ftepp);
+
+ vec_append(ftepp->output_string, vec_size(inner_string), inner_string);
+ vec_free(inner_string);
+
+ if (has_newlines && !old_inmacro)
ftepp_recursion_footer(ftepp);
- if (resetline) {
+
+ if (resetline && !ftepp->in_macro) {
char lineno[128];
- sprintf(lineno, "\n#pragma line(%lu)\n", old_lexer->sline);
+ sprintf(lineno, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
ftepp_out(ftepp, lineno, false);
}
- old_string = ftepp->output_string;
+ old_string = ftepp->output_string;
cleanup:
ftepp->lex = old_lexer;
ftepp->output_string = old_string;
default:
ftepp_error(ftepp, "junk in #if: `%s` ...", ftepp_tokval(ftepp));
- if (opts.debug)
+ if (OPTS_OPTION_BOOL(OPTION_DEBUG))
ftepp_error(ftepp, "internal: token %i\n", ftepp->token);
return false;
}
return filename;
}
-static bool ftepp_directive_warning(ftepp_t *ftepp) {
- char *message = NULL;
-
- if (!ftepp_skipspace(ftepp))
- return false;
-
- /* handle the odd non string constant case so it works like C */
- if (ftepp->token != TOKEN_STRINGCONST) {
- bool store = false;
- vec_upload(message, "#warning", 8);
- ftepp_next(ftepp);
- while (ftepp->token != TOKEN_EOL) {
- vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
- ftepp_next(ftepp);
- }
- vec_push(message, '\0');
- store = ftepp_warn(ftepp, WARN_CPP, message);
- vec_free(message);
- return store;
- }
-
- unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
- return ftepp_warn(ftepp, WARN_CPP, "#warning %s", ftepp_tokval(ftepp));
-}
-
-static void ftepp_directive_error(ftepp_t *ftepp) {
- char *message = NULL;
-
- if (!ftepp_skipspace(ftepp))
- return;
-
- /* handle the odd non string constant case so it works like C */
- if (ftepp->token != TOKEN_STRINGCONST) {
- vec_upload(message, "#error", 6);
- ftepp_next(ftepp);
- while (ftepp->token != TOKEN_EOL) {
- vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
- ftepp_next(ftepp);
- }
- vec_push(message, '\0');
- ftepp_error(ftepp, message);
- vec_free(message);
- return;
- }
-
- unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
- ftepp_error(ftepp, "#error %s", ftepp_tokval(ftepp));
-}
-
/**
* Include a file.
* FIXME: do we need/want a -I option?
ftepp_out(ftepp, "#", false);
break;
}
- else if (!strcmp(ftepp_tokval(ftepp), "warning")) {
- ftepp_directive_warning(ftepp);
- break;
- }
- else if (!strcmp(ftepp_tokval(ftepp), "error")) {
- ftepp_directive_error(ftepp);
- break;
- }
else {
if (ftepp->output_on) {
ftepp_error(ftepp, "unrecognized preprocessor directive: `%s`", ftepp_tokval(ftepp));
break;
case TOKEN_WHITE:
/* same as default but don't set newline=false */
- ftepp_out(ftepp, ftepp_tokval(ftepp), false);
+ ftepp_out(ftepp, ftepp_tokval(ftepp), true);
ftepp_next(ftepp);
break;
default:
/* set the right macro based on the selected standard */
ftepp_add_define(NULL, "GMQCC");
- if (opts.standard == COMPILER_FTEQCC) {
+ if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
ftepp_add_define(NULL, "__STD_FTEQCC__");
/* 1.00 */
major[0] = '"';
minor[0] = '"';
minor[1] = '0';
minor[2] = '"';
- } else if (opts.standard == COMPILER_GMQCC) {
+ } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
ftepp_add_define(NULL, "__STD_GMQCC__");
sprintf(major, "\"%d\"", GMQCC_VERSION_MAJOR);
sprintf(minor, "\"%d\"", GMQCC_VERSION_MINOR);
- } else if (opts.standard == COMPILER_QCCX) {
+ } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCCX) {
ftepp_add_define(NULL, "__STD_QCCX__");
sprintf(major, "\"%d\"", GMQCC_VERSION_MAJOR);
sprintf(minor, "\"%d\"", GMQCC_VERSION_MINOR);
- } else if (opts.standard == COMPILER_QCC) {
+ } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
ftepp_add_define(NULL, "__STD_QCC__");
/* 1.0 */
major[0] = '"';
projects / xonotic / gmqcc.git / blobdiff