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LibJS: Convert PrototypeObject::this_object() to ThrowCompletionOr

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This commit is contained in:
Linus Groh 2021-10-18 19:55:55 +01:00
parent 08db3b9f66
commit 7c29979e30
2 changed files with 14 additions and 47 deletions
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12
Userland/Libraries/LibJS/Runtime/PrototypeObject.h
View file

@ -8,6 +8,7 @@
#include <AK/StringView.h>
#include <AK/TypeCasts.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Object.h>
@ -25,17 +26,12 @@ class PrototypeObject : public Object {
public:
virtual ~PrototypeObject() override = default;
static Object* this_object(GlobalObject& global_object)
static ThrowCompletionOr<Object*> this_object(GlobalObject& global_object)
{
auto& vm = global_object.vm();
auto this_value = vm.this_value(global_object);
if (!this_value.is_object()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, this_value);
return nullptr;
}
if (!this_value.is_object())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObject, this_value);
return &this_value.as_object();
}

49
Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp
View file

@ -282,10 +282,7 @@ Value regexp_exec(GlobalObject& global_object, Object& regexp_object, Utf16Strin
#define __JS_ENUMERATE(flagName, flag_name, flag_char) \
JS_DEFINE_NATIVE_GETTER(RegExpPrototype::flag_name) \
{ \
auto* regexp_object = this_object(global_object); \
if (!regexp_object) \
return {}; \
\
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object)); \
if (!is<RegExpObject>(regexp_object)) { \
if (same_value(regexp_object, global_object.regexp_prototype())) \
return js_undefined(); \
@ -302,10 +299,7 @@ JS_ENUMERATE_REGEXP_FLAGS
// 22.2.5.4 get RegExp.prototype.flags, https://tc39.es/ecma262/#sec-get-regexp.prototype.flags
JS_DEFINE_NATIVE_GETTER(RegExpPrototype::flags)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
StringBuilder builder(8);
#define __JS_ENUMERATE(flagName, flag_name, flag_char) \
@ -321,10 +315,7 @@ JS_DEFINE_NATIVE_GETTER(RegExpPrototype::flags)
// 22.2.5.12 get RegExp.prototype.source, https://tc39.es/ecma262/#sec-get-regexp.prototype.source
JS_DEFINE_NATIVE_GETTER(RegExpPrototype::source)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
if (!is<RegExpObject>(regexp_object)) {
if (same_value(regexp_object, global_object.regexp_prototype()))
return js_string(vm, "(?:)");
@ -350,10 +341,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::exec)
// 22.2.5.15 RegExp.prototype.test ( S ), https://tc39.es/ecma262/#sec-regexp.prototype.test
JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::test)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(vm.argument(0).to_utf16_string(global_object));
auto match = regexp_exec(global_object, *regexp_object, move(string));
@ -366,10 +354,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::test)
// 22.2.5.16 RegExp.prototype.toString ( ), https://tc39.es/ecma262/#sec-regexp.prototype.tostring
JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::to_string)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto source_attr = TRY_OR_DISCARD(regexp_object->get(vm.names.source));
auto pattern = TRY_OR_DISCARD(source_attr.to_string(global_object));
@ -382,10 +367,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::to_string)
// 22.2.5.7 RegExp.prototype [ @@match ] ( string ), https://tc39.es/ecma262/#sec-regexp.prototype-@@match
JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_match)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(vm.argument(0).to_utf16_string(global_object));
bool global = TRY_OR_DISCARD(regexp_object->get(vm.names.global)).to_boolean();
@ -434,10 +416,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_match)
// 22.2.5.8 RegExp.prototype [ @@matchAll ] ( string ), https://tc39.es/ecma262/#sec-regexp-prototype-matchall
JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_match_all)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(vm.argument(0).to_utf16_string(global_object));
auto* constructor = TRY_OR_DISCARD(species_constructor(global_object, *regexp_object, *global_object.regexp_constructor()));
@ -469,9 +448,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_replace)
auto string_value = vm.argument(0);
auto replace_value = vm.argument(1);
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(string_value.to_utf16_string(global_object));
auto string_view = string.view();
@ -580,10 +557,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_replace)
// 22.2.5.11 RegExp.prototype [ @@search ] ( string ), https://tc39.es/ecma262/#sec-regexp.prototype-@@search
JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_search)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(vm.argument(0).to_utf16_string(global_object));
auto previous_last_index = TRY_OR_DISCARD(regexp_object->get(vm.names.lastIndex));
@ -608,10 +582,7 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_search)
// 22.2.5.13 RegExp.prototype [ @@split ] ( string, limit ), https://tc39.es/ecma262/#sec-regexp.prototype-@@split
JS_DEFINE_NATIVE_FUNCTION(RegExpPrototype::symbol_split)
{
auto* regexp_object = this_object(global_object);
if (!regexp_object)
return {};
auto* regexp_object = TRY_OR_DISCARD(this_object(global_object));
auto string = TRY_OR_DISCARD(vm.argument(0).to_utf16_string(global_object));
auto string_view = string.view();