bool ep_parse(struct effect_parser *ep, gs_effect_t *effect,
const char *effect_string, const char *file)
{
bool success;
const char *graphics_preprocessor = gs_preprocessor_name();
if (graphics_preprocessor) {
struct cf_def def;
cf_def_init(&def);
def.name.str.array = graphics_preprocessor;
def.name.str.len = strlen(graphics_preprocessor);
strref_copy(&def.name.unmerged_str, &def.name.str);
cf_preprocessor_add_def(&ep->cfp.pp, &def);
}
ep->effect = effect;
if (!cf_parser_parse(&ep->cfp, effect_string, file))
return false;
while (ep->cfp.cur_token && ep->cfp.cur_token->type != CFTOKEN_NONE) {
if (cf_token_is(&ep->cfp, ";") ||
is_whitespace(*ep->cfp.cur_token->str.array)) {
/* do nothing */
ep->cfp.cur_token++;
} else if (cf_token_is(&ep->cfp, "struct")) {
ep_parse_struct(ep);
} else if (cf_token_is(&ep->cfp, "technique")) {
ep_parse_technique(ep);
} else if (cf_token_is(&ep->cfp, "sampler_state")) {
ep_parse_sampler_state(ep);
} else if (cf_token_is(&ep->cfp, "{")) {
/* add error and pass braces */
cf_adderror(&ep->cfp, "Unexpected code segment",
LEX_ERROR, NULL, NULL, NULL);
cf_pass_pair(&ep->cfp, '{', '}');
} else {
/* parameters and functions */
ep_parse_other(ep);
}
}
success = !error_data_has_errors(&ep->cfp.error_list);
if (success)
success = ep_compile(ep);
return success;
}
static void cf_preprocess_define(struct cf_preprocessor *pp,
struct cf_token **p_cur_token)
{
struct cf_token *cur_token = *p_cur_token;
struct cf_def def;
if (pp->ignore_state) {
go_to_newline(p_cur_token);
return;
}
cf_def_init(&def);
next_token(&cur_token, true);
if (cur_token->type != CFTOKEN_NAME) {
cf_adderror_expecting(pp, cur_token, "identifier");
go_to_newline(&cur_token);
goto exit;
}
append_space(pp, &def.tokens.da, NULL);
cf_token_copy(&def.name, cur_token);
if (!next_token(&cur_token, true))
goto complete;
/* process macro */
if (*cur_token->str.array == '(') {
if (!cf_preprocess_macro_params(pp, &def, &cur_token))
goto error;
}
while (cur_token->type != CFTOKEN_NEWLINE &&
cur_token->type != CFTOKEN_NONE)
cf_def_addtoken(&def, cur_token++);
complete:
append_end_token(&def.tokens.da);
append_space(pp, &def.tokens.da, NULL);
da_push_back(pp->defines, &def);
goto exit;
error:
cf_def_free(&def);
exit:
*p_cur_token = cur_token;
}
