char *output_string;
char *itemname;
+ char *includename;
} ftepp_t;
#define ftepp_tokval(f) ((f)->lex->tok.value)
size_t i;
if (self->itemname)
mem_d(self->itemname);
+ if (self->includename)
+ vec_free(self->includename);
for (i = 0; i < vec_size(self->macros); ++i)
ppmacro_delete(self->macros[i]);
vec_free(self->macros);
* parameter lists on macros are errors
* No mathematical calculations are executed
*/
-static bool ftepp_if_expr(ftepp_t *ftepp, bool *out)
+static bool ftepp_if_expr(ftepp_t *ftepp, bool *out, double *value_out);
+static bool ftepp_if_op(ftepp_t *ftepp)
+{
+ ftepp->lex->flags.noops = false;
+ ftepp_next(ftepp);
+ if (!ftepp_skipspace(ftepp))
+ return false;
+ ftepp->lex->flags.noops = true;
+ return true;
+}
+static bool ftepp_if_value(ftepp_t *ftepp, bool *out, double *value_out)
{
ppmacro *macro;
bool wasnot = false;
macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
if (!macro || !vec_size(macro->output)) {
*out = false;
+ *value_out = 0;
} else {
/* This does not expand recursively! */
switch (macro->output[0]->token) {
case TOKEN_INTCONST:
- *out = !!(macro->output[0]->constval.f);
+ *value_out = macro->output[0]->constval.i;
+ *out = !!(macro->output[0]->constval.i);
break;
case TOKEN_FLOATCONST:
+ *value_out = macro->output[0]->constval.f;
*out = !!(macro->output[0]->constval.f);
break;
default:
*out = false;
break;
case TOKEN_INTCONST:
+ *value_out = ftepp->lex->tok.constval.i;
*out = !!(ftepp->lex->tok.constval.i);
break;
case TOKEN_FLOATCONST:
+ *value_out = ftepp->lex->tok.constval.f;
*out = !!(ftepp->lex->tok.constval.f);
break;
case '(':
ftepp_next(ftepp);
- if (!ftepp_if_expr(ftepp, out))
+ if (!ftepp_if_expr(ftepp, out, value_out))
return false;
if (ftepp->token != ')') {
ftepp_error(ftepp, "expected closing paren in #if expression");
break;
default:
- ftepp_error(ftepp, "junk in #if");
+ ftepp_error(ftepp, "junk in #if: `%s` ...", ftepp_tokval(ftepp));
return false;
}
- if (wasnot)
+ if (wasnot) {
*out = !*out;
+ *value_out = (*out ? 1 : 0);
+ }
+ return true;
+}
- ftepp->lex->flags.noops = false;
- ftepp_next(ftepp);
- if (!ftepp_skipspace(ftepp))
+/*
+static bool ftepp_if_nextvalue(ftepp_t *ftepp, bool *out, double *value_out)
+{
+ if (!ftepp_next(ftepp))
return false;
- ftepp->lex->flags.noops = true;
+ return ftepp_if_value(ftepp, out, value_out);
+}
+*/
- if (ftepp->token == ')')
- return true;
+static bool ftepp_if_expr(ftepp_t *ftepp, bool *out, double *value_out)
+{
+ if (!ftepp_if_value(ftepp, out, value_out))
+ return false;
- if (ftepp->token != TOKEN_OPERATOR)
+ if (!ftepp_if_op(ftepp))
+ return false;
+
+ if (ftepp->token == ')' || ftepp->token != TOKEN_OPERATOR)
return true;
+ /* FTEQCC is all right-associative and no precedence here */
if (!strcmp(ftepp_tokval(ftepp), "&&") ||
!strcmp(ftepp_tokval(ftepp), "||"))
{
bool next = false;
char opc = ftepp_tokval(ftepp)[0];
+ double nextvalue;
- ftepp_next(ftepp);
- if (!ftepp_if_expr(ftepp, &next))
+ (void)nextvalue;
+ if (!ftepp_next(ftepp))
+ return false;
+ if (!ftepp_if_expr(ftepp, &next, &nextvalue))
return false;
if (opc == '&')
*out = *out && next;
else
*out = *out || next;
+
+ *value_out = (*out ? 1 : 0);
+ return true;
+ }
+ else if (!strcmp(ftepp_tokval(ftepp), "==") ||
+ !strcmp(ftepp_tokval(ftepp), "!=") ||
+ !strcmp(ftepp_tokval(ftepp), ">=") ||
+ !strcmp(ftepp_tokval(ftepp), "<=") ||
+ !strcmp(ftepp_tokval(ftepp), ">") ||
+ !strcmp(ftepp_tokval(ftepp), "<"))
+ {
+ bool next = false;
+ const char opc0 = ftepp_tokval(ftepp)[0];
+ const char opc1 = ftepp_tokval(ftepp)[1];
+ double other;
+
+ if (!ftepp_next(ftepp))
+ return false;
+ if (!ftepp_if_expr(ftepp, &next, &other))
+ return false;
+
+ if (opc0 == '=')
+ *out = (*value_out == other);
+ else if (opc0 == '!')
+ *out = (*value_out != other);
+ else if (opc0 == '>') {
+ if (opc1 == '=') *out = (*value_out >= other);
+ else *out = (*value_out > other);
+ }
+ else if (opc0 == '<') {
+ if (opc1 == '=') *out = (*value_out <= other);
+ else *out = (*value_out < other);
+ }
+ *value_out = (*out ? 1 : 0);
+
return true;
}
else {
static bool ftepp_if(ftepp_t *ftepp, ppcondition *cond)
{
bool result = false;
+ double dummy = 0;
memset(cond, 0, sizeof(*cond));
(void)ftepp_next(ftepp);
return false;
}
- if (!ftepp_if_expr(ftepp, &result))
+ if (!ftepp_if_expr(ftepp, &result, &dummy))
return false;
cond->on = result;
*out = 0;
}
-static char *ftepp_include_find(ftepp_t *ftepp, const char *file)
+static char *ftepp_include_find_path(const char *file, const char *pathfile)
{
- char *filename = NULL;
- size_t len;
+ FILE *fp;
+ char *filename = NULL;
+ const char *last_slash;
+ size_t len;
- if (ftepp->itemname) {
- const char *last_slash;
- last_slash = strrchr(ftepp->itemname, '/');
- if (last_slash) {
- len = last_slash - ftepp->itemname;
- memcpy(vec_add(filename, len), ftepp->itemname, len);
+ if (!pathfile)
+ return NULL;
+
+ last_slash = strrchr(pathfile, '/');
+
+ if (last_slash) {
+ len = last_slash - pathfile;
+ memcpy(vec_add(filename, len), pathfile, len);
+ vec_push(filename, '/');
+ }
+ else {
+ len = strlen(pathfile);
+ memcpy(vec_add(filename, len), pathfile, len);
+ if (vec_last(filename) != '/')
vec_push(filename, '/');
- }
- else {
- len = strlen(ftepp->itemname);
- memcpy(vec_add(filename, len), ftepp->itemname, len);
- if (vec_last(filename) != '/')
- vec_push(filename, '/');
- }
}
+
len = strlen(file);
- memcpy(vec_add(filename, len), file, len);
- vec_push(filename, 0);
+ memcpy(vec_add(filename, len+1), file, len);
+ vec_last(filename) = 0;
+
+ fp = util_fopen(filename, "rb");
+ if (fp) {
+ fclose(fp);
+ return filename;
+ }
+ vec_free(filename);
+ return NULL;
+}
+
+static char *ftepp_include_find(ftepp_t *ftepp, const char *file)
+{
+ char *filename = NULL;
+
+ filename = ftepp_include_find_path(file, ftepp->includename);
+ if (!filename)
+ filename = ftepp_include_find_path(file, ftepp->itemname);
return filename;
}
lex_ctx ctx;
char lineno[128];
char *filename;
+ char *old_includename;
(void)ftepp_next(ftepp);
if (!ftepp_skipspace(ftepp))
ftepp_out(ftepp, ")\n#pragma line(1)\n", false);
filename = ftepp_include_find(ftepp, ftepp_tokval(ftepp));
+ if (!filename) {
+ ftepp_error(ftepp, "failed to open include file `%s`", ftepp_tokval(ftepp));
+ return false;
+ }
inlex = lex_open(filename);
if (!inlex) {
ftepp_error(ftepp, "failed to open include file `%s`", filename);
vec_free(filename);
return false;
}
- vec_free(filename);
ftepp->lex = inlex;
+ old_includename = ftepp->includename;
+ ftepp->includename = filename;
if (!ftepp_preprocess(ftepp)) {
+ vec_free(ftepp->includename);
+ ftepp->includename = old_includename;
lex_close(ftepp->lex);
ftepp->lex = old_lexer;
return false;
}
+ vec_free(ftepp->includename);
+ ftepp->includename = old_includename;
lex_close(ftepp->lex);
ftepp->lex = old_lexer;
}
} while (!ftepp->errors && ftepp->token < TOKEN_EOF);
+ /* force a 0 at the end but don't count it as added to the output */
+ vec_push(ftepp->output_string, 0);
+ vec_shrinkby(ftepp->output_string, 1);
+
newline = ftepp->token == TOKEN_EOF;
return newline;
}
static bool ftepp_preprocess_done()
{
bool retval = true;
- lex_close(ftepp->lex);
- ftepp->lex = NULL;
if (vec_size(ftepp->conditions)) {
if (ftepp_warn(ftepp, WARN_MULTIFILE_IF, "#if spanning multiple files, is this intended?"))
retval = false;
}
+ lex_close(ftepp->lex);
+ ftepp->lex = NULL;
if (ftepp->itemname) {
mem_d(ftepp->itemname);
ftepp->itemname = NULL;
ftepp = ftepp_new();
if (!ftepp)
return false;
- ftepp_add_define(NULL, "GMQCC");
+
+ /* set the right macro based on the selected standard */
+ if (opts_standard == COMPILER_FTEQCC)
+ ftepp_add_define(NULL, "FTEQCC");
+ else if (opts_standard == COMPILER_GMQCC)
+ ftepp_add_define(NULL, "GMQCC");
+ else if (opts_standard == COMPILER_QCC)
+ ftepp_add_define(NULL, "QCC");
+
return true;
}
projects / xonotic / gmqcc.git / blobdiff