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Support any comparable type for map keys

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This commit is contained in:
gingerBill
2020-11-29 16:37:19 +00:00
parent b922398a96
commit 5ab7ec5b16
4 changed files with 214 additions and 28 deletions
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src/check_type.cpp
+32 -10
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@@ -2849,26 +2849,48 @@ void init_map_internal_types(Type *type) {
}
void add_map_key_type_dependencies(CheckerContext *ctx, Type *key) {
key = core_type(key);
if (is_type_cstring(key)) {
add_package_dependency(ctx, "runtime", "default_hasher_cstring");
} else if (is_type_string(key)) {
add_package_dependency(ctx, "runtime", "default_hasher_string");
} else if (!is_type_polymorphic(key)) {
if (!is_type_simple_compare(key)) {
if (!is_type_comparable(key)) {
return;
}
if (is_type_struct(key)) {
if (key->kind == Type_Struct) {
add_package_dependency(ctx, "runtime", "default_hasher_n");
}
if (!is_type_simple_compare(key)) {
for_array(i, key->Struct.fields) {
Entity *field = key->Struct.fields[i];
add_map_key_type_dependencies(ctx, field->type);
}
}
} else if (key->kind == Type_EnumeratedArray) {
add_package_dependency(ctx, "runtime", "default_hasher_n");
if (!is_type_simple_compare(key->EnumeratedArray.elem)) {
add_map_key_type_dependencies(ctx, key->EnumeratedArray.elem);
}
} else if (key->kind == Type_Array) {
add_package_dependency(ctx, "runtime", "default_hasher_n");
if (!is_type_simple_compare(key->Array.elem)) {
add_map_key_type_dependencies(ctx, key->Array.elem);
}
} else {
if (!is_type_simple_compare(key)) {
GB_PANIC("HERE");
}
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;
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;
}
}
}
}