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Fix list[0].i = 5 when list[0] returns a pointer. #2888

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This commit is contained in:
Christoffer Lerno
2026-02-05 00:34:17 +01:00
parent 5e656603a5
commit dcf695c726
5 changed files with 37 additions and 2 deletions
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2
src/compiler/compiler_internal.h
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@@ -4553,7 +4553,7 @@ INLINE bool expr_is_const_ref(Expr *expr)
INLINE bool expr_is_const_pointer(Expr *expr)
{
ASSERT(expr->resolve_status == RESOLVE_DONE);
ASSERT_SPAN(expr, expr->resolve_status == RESOLVE_DONE);
return expr->expr_kind == EXPR_CONST && expr->const_expr.const_kind == CONST_POINTER;
}

10
src/compiler/parse_global.c
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@@ -1281,6 +1281,16 @@ bool parse_attribute(ParseContext *c, Attr **attribute_ref, bool expect_eos)
expr->overload_expr = try_consume(c, TOKEN_EQ) ? OVERLOAD_ELEMENT_SET : OVERLOAD_ELEMENT_AT;
RANGE_EXTEND_PREV(expr);
break;
case TOKEN_LESS:
case TOKEN_LESS_EQ:
case TOKEN_GREATER:
case TOKEN_GREATER_EQ:
RETURN_PRINT_ERROR_HERE("Comparisons '<', '<=', '>', '>=' cannot be overloaded, only '==' and '!=' are supported.");
case TOKEN_PLUSPLUS:
case TOKEN_MINUSMINUS:
RETURN_PRINT_ERROR_HERE("Increment and decrement operators '++' and '--' cannot be directly overloaded, use '+=' and '-=' instead.");
case TOKEN_DOT:
RETURN_PRINT_ERROR_HERE("You cannot overload '.'.");
default:
PARSE_EXPR:
expr = parse_constant_expr(c);

7
src/compiler/sema_expr.c
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@@ -6349,10 +6349,13 @@ static inline bool sema_expr_analyse_access(SemaContext *context, Expr *expr, bo
Expr *parent = expr->access_unresolved_expr.parent;
if (missing_ref) *missing_ref = false;
int times_to_deref = 1;
if (expr->access_unresolved_expr.is_ref)
{
times_to_deref = 2;
expr_set_to_ref(parent);
}
// 1. Resolve the left hand
if (!sema_analyse_expr(context, parent)) return false;
@@ -6441,11 +6444,13 @@ static inline bool sema_expr_analyse_access(SemaContext *context, Expr *expr, bo
// 7. Is this a pointer? If so we insert a deref.
Type *underlying_type = type_no_optional(parent->type)->canonical;
if (underlying_type->type_kind == TYPE_POINTER && underlying_type != type_voidptr)
while (times_to_deref > 0 && underlying_type->type_kind == TYPE_POINTER && underlying_type != type_voidptr)
{
times_to_deref--;
if (!sema_cast_rvalue(context, parent, true)) return false;
if (!sema_expr_rewrite_insert_deref(context, expr->access_unresolved_expr.parent)) return false;
parent = expr->access_unresolved_expr.parent;
underlying_type = type_no_optional(parent->type)->canonical;
}
// 8. Depending on parent type, we have some hard coded types