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-rw-r--r--src/types.cpp30
1 files changed, 25 insertions, 5 deletions
diff --git a/src/types.cpp b/src/types.cpp
index 46e41bb4b..814f99eff 100644
--- a/src/types.cpp
+++ b/src/types.cpp
@@ -1377,14 +1377,20 @@ gb_internal bool is_type_ordered_numeric(Type *t) {
gb_internal bool is_type_constant_type(Type *t) {
t = core_type(t);
if (t == nullptr) { return false; }
- if (t->kind == Type_Basic) {
+ switch (t->kind) {
+ case Type_Basic:
+ if (t->Basic.kind == Basic_typeid) {
+ return true;
+ }
return (t->Basic.flags & BasicFlag_ConstantType) != 0;
- }
- if (t->kind == Type_BitSet) {
+ case Type_BitSet:
return true;
- }
- if (t->kind == Type_Proc) {
+ case Type_Proc:
return true;
+ case Type_Array:
+ return is_type_constant_type(t->Array.elem);
+ case Type_EnumeratedArray:
+ return is_type_constant_type(t->EnumeratedArray.elem);
}
return false;
}
@@ -2539,6 +2545,20 @@ gb_internal bool elem_type_can_be_constant(Type *t) {
return true;
}
+gb_internal bool elem_cannot_be_constant(Type *t) {
+ if (is_type_any(t)) {
+ return true;
+ }
+ if (is_type_union(t)) {
+ return !is_type_union_constantable(t);
+ }
+ if (is_type_raw_union(t)) {
+ return true;
+ }
+ return false;
+}
+
+
gb_internal bool is_type_lock_free(Type *t) {
t = core_type(t);
if (t == t_invalid) {