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Add intrinsics.type_hasher_proc; Make map work with generic hasher procedure

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This commit is contained in:
gingerBill
2020-11-29 15:27:53 +00:00
parent 085972bb2c
commit 97c66c9c73
11 changed files with 338 additions and 99 deletions
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src/check_type.cpp
+26 -6
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@@ -2848,6 +2848,26 @@ void init_map_internal_types(Type *type) {
type->Map.lookup_result_type = make_optional_ok_type(value);
}
void add_map_key_type_dependencies(CheckerContext *ctx, Type *key) {
if (is_type_string(key)) {
add_package_dependency(ctx, "runtime", "default_hash_string");
add_package_dependency(ctx, "runtime", "default_hasher_string");
} else if (!is_type_polymorphic(key)) {
add_package_dependency(ctx, "runtime", "default_hash_ptr");
GB_ASSERT_MSG(is_type_simple_compare(key), "%s", type_to_string(key));
i64 sz = type_size_of(key);
switch (sz) {
case 1: add_package_dependency(ctx, "runtime", "default_hasher1"); break;
case 2: add_package_dependency(ctx, "runtime", "default_hasher2"); break;
case 4: add_package_dependency(ctx, "runtime", "default_hasher4"); break;
case 8: add_package_dependency(ctx, "runtime", "default_hasher8"); break;
case 16: add_package_dependency(ctx, "runtime", "default_hasher16"); break;
default: GB_PANIC("unhandled hasher for key type: %s", type_to_string(key));
}
}
}
void check_map_type(CheckerContext *ctx, Type *type, Ast *node) {
GB_ASSERT(type->kind == Type_Map);
ast_node(mt, MapType, node);
@@ -2864,16 +2884,16 @@ void check_map_type(CheckerContext *ctx, Type *type, Ast *node) {
gb_string_free(str);
}
}
if (type_size_of(key) == 0) {
gbString str = type_to_string(key);
error(node, "Invalid type of a key for a map of size 0, got '%s'", str);
gb_string_free(str);
}
type->Map.key = key;
type->Map.value = value;
if (is_type_string(key)) {
add_package_dependency(ctx, "runtime", "default_hash_string");
} else {
add_package_dependency(ctx, "runtime", "default_hash_ptr");
}
add_map_key_type_dependencies(ctx, key);
init_core_map_type(ctx->checker);
init_map_internal_types(type);