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Make checking map key exists optional

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Ginger Bill
2017-02-06 21:31:27 +00:00
parent f11d73ffaa
commit df78b8ad3e
4 changed files with 25 additions and 12 deletions
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src/check_expr.c
+20 -4
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@@ -2676,7 +2676,7 @@ Entity *check_selector(Checker *c, Operand *operand, AstNode *node, Type *type_h
gbString op_str = expr_to_string(op_expr);
gbString type_str = type_to_string(operand->type);
gbString sel_str = expr_to_string(selector);
error_node(op_expr, "`%s` (`%s`) has no field `%s`", op_str, type_str, sel_str);
error_node(op_expr, "`%s` of type `%s` has no field `%s`", op_str, type_str, sel_str);
gb_string_free(sel_str);
gb_string_free(type_str);
gb_string_free(op_str);
@@ -3824,12 +3824,28 @@ int valid_proc_and_score_cmp(void const *a, void const *b) {
typedef Array(Operand) ArrayOperand;
void check_unpack_arguments(Checker *c, ArrayOperand *operands, AstNodeArray args) {
void check_unpack_arguments(Checker *c, isize lhs_count, ArrayOperand *operands, AstNodeArray args, bool allow_map_ok) {
for_array(i, args) {
Operand o = {0};
check_multi_expr(c, &o, args.e[i]);
if (o.type == NULL || o.type->kind != Type_Tuple) {
if (o.mode == Addressing_MapIndex &&
allow_map_ok &&
lhs_count == 2 &&
args.count == 1) {
Type *tuple = make_map_tuple_type(c->allocator, o.type);
add_type_and_value(&c->info, o.expr, o.mode, tuple, o.value);
Operand val = o;
Operand ok = o;
val.mode = Addressing_Value;
ok.mode = Addressing_Value;
ok.type = t_bool;
array_add(operands, val);
array_add(operands, ok);
continue;
}
array_add(operands, o);
} else {
TypeTuple *tuple = &o.type->Tuple;
@@ -3848,7 +3864,7 @@ Type *check_call_arguments(Checker *c, Operand *operand, Type *proc_type, AstNod
ArrayOperand operands;
array_init_reserve(&operands, heap_allocator(), 2*ce->args.count);
check_unpack_arguments(c, &operands, ce->args);
check_unpack_arguments(c, -1, &operands, ce->args, false);
if (operand->mode == Addressing_Overload) {
GB_ASSERT(operand->overload_entities != NULL &&
@@ -4991,7 +5007,7 @@ ExprKind check__expr_base(Checker *c, Operand *o, AstNode *node, Type *type_hint
goto error;
}
o->mode = Addressing_MapIndex;
o->type = make_map_tuple_type(c->allocator, t->Map.value);
o->type = t->Map.value;
o->expr = node;
return Expr_Expr;
}