ast_value* parser_find_local(parser_t *parser, const char *name, size_t upto)
{
size_t i;
+ ast_value *fun;
for (i = parser->locals_count; i > upto;) {
--i;
if (!strcmp(parser->locals[i]->name, name))
return parser->locals[i];
}
+ fun = parser->function->vtype;
+ for (i = 0; i < fun->params_count; ++i) {
+ if (!strcmp(fun->params[i]->name, name))
+ return fun->params[i];
+ }
return NULL;
}
lex_ctx ctx = parser_ctx(parser);
int vtype = basetype;
int temptype;
+ size_t i;
MEM_VECTOR_INIT(¶ms, p);
ast_value *param;
bool dummy;
- if (!parser_next(parser)) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
- }
+ if (!parser_next(parser))
+ goto on_error;
if (parser->tok == ')')
break;
temptype = parser_token(parser)->constval.t;
- if (!parser_next(parser)) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
- }
+ if (!parser_next(parser))
+ goto on_error;
+
param = parser_parse_type(parser, temptype, &dummy);
(void)dummy;
- if (!param) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
+ if (!param)
+ goto on_error;
+
+ if (parser->tok == TOKEN_IDENT) {
+ /* named parameter */
+ if (!ast_value_set_name(param, parser_tokval(parser)))
+ goto on_error;
+ if (!parser_next(parser))
+ goto on_error;
}
if (!paramlist_t_p_add(¶ms, param)) {
- MEM_VECTOR_CLEAR(¶ms, p);
parseerror(parser, "Out of memory while parsing typename");
- return NULL;
+ goto on_error;
}
if (parser->tok == ',')
continue;
if (parser->tok == ')')
break;
- MEM_VECTOR_CLEAR(¶ms, p);
parseerror(parser, "Unexpected token");
- return NULL;
- }
- if (!parser_next(parser)) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
+ goto on_error;
}
+ if (!parser_next(parser))
+ goto on_error;
}
var = ast_value_new(ctx, "<unnamed>", vtype);
- if (!var) {
- MEM_VECTOR_CLEAR(¶ms, p);
- return NULL;
- }
+ if (!var)
+ goto on_error;
MEM_VECTOR_MOVE(¶ms, p, var, params);
return var;
+on_error:
+ for (i = 0; i < params.p_count; ++i)
+ ast_value_delete(params.p[i]);
+ MEM_VECTOR_CLEAR(¶ms, p);
+ return NULL;
}
typedef struct
{
if (!strcmp(parser_tokval(parser), "return"))
{
- ast_expression *exp = parser_expression(parser);
+ ast_expression *exp;
ast_return *ret;
+
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected return expression");
+ return false;
+ }
+
+ exp = parser_expression(parser);
if (!exp)
return false;
ret = ast_return_new(exp->expression.node.context, exp);
}
return true;
}
+ parseerror(parser, "Unexpected keyword");
+ return false;
}
else if (parser->tok == '{')
{
/* a block */
- parseerror(parser, "TODO: inner blocks");
+ parseerror(parser, "TODO: inner blocks: %s", parser_tokval(parser));
return false;
}
else