static bool cf_preprocessor(struct cf_preprocessor *pp,
bool if_block, struct cf_token **p_cur_token)
{
struct cf_token *cur_token = *p_cur_token;
if (strref_cmp(&cur_token->str, "include") == 0) {
cf_preprocess_include(pp, p_cur_token);
} else if (strref_cmp(&cur_token->str, "define") == 0) {
cf_preprocess_define(pp, p_cur_token);
} else if (strref_cmp(&cur_token->str, "undef") == 0) {
cf_preprocess_undef(pp, p_cur_token);
} else if (strref_cmp(&cur_token->str, "ifdef") == 0) {
cf_preprocess_ifdef(pp, false, p_cur_token);
} else if (strref_cmp(&cur_token->str, "ifndef") == 0) {
cf_preprocess_ifdef(pp, true, p_cur_token);
/*} else if (strref_cmp(&cur_token->str, "if") == 0) {
TODO;*/
} else if (strref_cmp(&cur_token->str, "else") == 0 ||
/*strref_cmp(&cur_token->str, "elif") == 0 ||*/
strref_cmp(&cur_token->str, "endif") == 0) {
if (!if_block) {
struct dstr name;
dstr_init_copy_strref(&name, &cur_token->str);
cf_adderror(pp, cur_token,"#$1 outside of "
"#if/#ifdef/#ifndef block",
name.array, NULL, NULL);
dstr_free(&name);
(*p_cur_token)++;
return true;
}
return false;
} else if (cur_token->type != CFTOKEN_NEWLINE &&
cur_token->type != CFTOKEN_NONE) {
/*
* TODO: language-specific preprocessor stuff should be sent to
* handler of some sort
*/
(*p_cur_token)++;
}
return true;
}
static void config_add_item(struct darray *items, struct strref *name,
struct strref *value)
{
struct config_item item;
struct dstr item_value;
dstr_init_copy_strref(&item_value, value);
dstr_replace(&item_value, "\\n", "\n");
dstr_replace(&item_value, "\\r", "\r");
dstr_replace(&item_value, "\\\\", "\\");
item.name = bstrdup_n(name->array, name->len);
item.value = item_value.array;
darray_push_back(sizeof(struct config_item), items, &item);
}
void cf_preprocessor_add_def(struct cf_preprocessor *pp, struct cf_def *def)
{
struct cf_def *existing = cf_preprocess_get_def(pp, &def->name.str);
if (existing) {
struct dstr name;
dstr_init_copy_strref(&name, &def->name.str);
cf_addwarning(pp, &def->name, "Token $1 already defined",
name.array, NULL, NULL);
cf_addwarning(pp, &existing->name,
"Previous definition of $1 is here",
name.array, NULL, NULL);
cf_def_free(existing);
memcpy(existing, def, sizeof(struct cf_def));
} else {
da_push_back(pp->defines, def);
}
}
