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Add metadata type to maps debug information to aid debuggers knowing what is in it it

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gingerBill
2024-02-12 12:29:37 +00:00
parent 900fe95ba0
commit c291fffce1
3 changed files with 31 additions and 1 deletions
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29
src/check_type.cpp
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@@ -2265,6 +2265,35 @@ gb_internal void init_map_internal_types(Type *type) {
GB_ASSERT(key != nullptr);
GB_ASSERT(value != nullptr);
Scope *metadata_scope = create_scope(nullptr, nullptr);
Type *metadata_type = alloc_type_struct();
metadata_type->Struct.fields = slice_make<Entity *>(permanent_allocator(), 3);
metadata_type->Struct.fields[0] = alloc_entity_field(metadata_scope, make_token_ident("key"), key, false, 0, EntityState_Resolved);
metadata_type->Struct.fields[1] = alloc_entity_field(metadata_scope, make_token_ident("value"), value, false, 1, EntityState_Resolved);
metadata_type->Struct.fields[2] = alloc_entity_field(metadata_scope, make_token_ident("hash"), t_uintptr, false, 2, EntityState_Resolved);
metadata_type->Struct.scope = metadata_scope;
gb_unused(type_size_of(metadata_type));
// NOTE(bill): [0]^struct{key: Key, value: Value, hash: uintptr}
// This is a zero array to a pointer to keep the alignment to that of a pointer, and not effective the size of the final struct
metadata_type = alloc_type_array(alloc_type_pointer(metadata_type), 0);;
Scope *scope = create_scope(nullptr, nullptr);
Type *debug_type = alloc_type_struct();
debug_type->Struct.fields = slice_make<Entity *>(permanent_allocator(), 4);
debug_type->Struct.fields[0] = alloc_entity_field(scope, make_token_ident("data"), t_uintptr, false, 0, EntityState_Resolved);
debug_type->Struct.fields[1] = alloc_entity_field(scope, make_token_ident("len"), t_int, false, 1, EntityState_Resolved);
debug_type->Struct.fields[2] = alloc_entity_field(scope, make_token_ident("allocator"), t_allocator, false, 2, EntityState_Resolved);
debug_type->Struct.fields[3] = alloc_entity_field(scope, make_token_ident("__metadata"), metadata_type, false, 3, EntityState_Resolved);
debug_type->Struct.scope = scope;
gb_unused(type_size_of(debug_type));
type->Map.debug_metadata_type = debug_type;
type->Map.lookup_result_type = make_optional_ok_type(value);
}

2
src/llvm_backend_debug.cpp
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@@ -710,7 +710,7 @@ gb_internal void lb_debug_complete_types(lbModule *m) {
case Type_Map:
GB_ASSERT(t_raw_map != nullptr);
bt = base_type(t_raw_map);
bt = base_type(t->Map.debug_metadata_type);
/*fallthrough*/
case Type_Struct:
if (file == nullptr) {

1
src/types.cpp
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@@ -231,6 +231,7 @@ struct TypeProc {
Type *key; \
Type *value; \
Type *lookup_result_type; \
Type *debug_metadata_type; \
}) \
TYPE_KIND(Struct, TypeStruct) \
TYPE_KIND(Union, TypeUnion) \