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broken! added return nodes

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Lorenzo Torres 2025-12-07 19:54:28 +01:00
parent f7689a3f54
commit 89e0d41fd9
4 changed files with 173 additions and 20 deletions
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5
sema.c
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@ -316,6 +316,7 @@ static void create_prototype(sema *s, ast_node *node)
{
prototype *p = arena_alloc(s->allocator, sizeof(prototype));
p->name = intern_string(s, node->expr.function.name, node->expr.function.name_len);
node->expr.function.name = p->name;
if (shget(prototypes, p->name)) {
error(node, "function already defined.");
}
@ -668,7 +669,7 @@ static void check_statement(sema *s, ast_node *node)
char *name = NULL;
switch(node->type) {
case NODE_RETURN:
if (!match(get_expression_type(s, node->expr.ret.value), current_return)) {
if (!can_cast(get_expression_type(s, node->expr.ret.value), current_return) && !match(get_expression_type(s, node->expr.ret.value), current_return)) {
error(node, "return type doesn't match function's one.");
}
break;
@ -728,7 +729,7 @@ static void check_function(sema *s, ast_node *f)
while (param) {
type *p_type = get_type(s, param->type);
char *t_name = intern_string(s, param->name, param->name_len);
param->name = t_name;
ast_node *param_node = arena_alloc(s->allocator, sizeof(ast_node));
param_node->type = NODE_VAR_DECL;
param_node->expr_type = p_type;