// Copyright 2016 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "test/unittests/test-helpers.h" #include "include/v8.h" #include "src/api/api.h" #include "src/execution/isolate.h" #include "src/handles/handles.h" #include "src/objects/objects-inl.h" #include "src/objects/objects.h" #include "src/parsing/scanner-character-streams.h" #include "src/parsing/scanner.h" namespace v8 { namespace internal { namespace test { Handle<String> CreateSource(Isolate* isolate, ExternalOneByteString::Resource* maybe_resource) { if (!maybe_resource) { static const char test_script[] = "(x) { x*x; }"; maybe_resource = new test::ScriptResource(test_script, strlen(test_script)); } return isolate->factory() ->NewExternalStringFromOneByte(maybe_resource) .ToHandleChecked(); } Handle<SharedFunctionInfo> CreateSharedFunctionInfo( Isolate* isolate, v8::String::ExternalOneByteStringResource* maybe_resource) { HandleScope scope(isolate); Handle<String> source = CreateSource(isolate, maybe_resource); Handle<Script> script = isolate->factory()->NewScript(source); Handle<WeakFixedArray> infos = isolate->factory()->NewWeakFixedArray(3); script->set_shared_function_infos(*infos); Handle<SharedFunctionInfo> shared = isolate->factory()->NewSharedFunctionInfoForBuiltin( isolate->factory()->NewStringFromAsciiChecked("f"), Builtins::kCompileLazy); int function_literal_id = 1; shared->set_function_literal_id(function_literal_id); // Ensure that the function can be compiled lazily. shared->set_uncompiled_data( *isolate->factory()->NewUncompiledDataWithoutPreparseData( ReadOnlyRoots(isolate).empty_string_handle(), 0, source->length())); // Make sure we have an outer scope info, even though it's empty shared->set_raw_outer_scope_info_or_feedback_metadata( ScopeInfo::Empty(isolate)); shared->SetScript(ReadOnlyRoots(isolate), *script, function_literal_id); return scope.CloseAndEscape(shared); } std::unique_ptr<ParseInfo> OuterParseInfoForShared( Isolate* isolate, Handle<SharedFunctionInfo> shared) { Script script = Script::cast(shared->script()); std::unique_ptr<ParseInfo> result = std::make_unique<ParseInfo>(isolate, script); // Create a character stream to simulate the parser having done so for the // to-level ParseProgram. Handle<String> source(String::cast(script.source()), isolate); std::unique_ptr<Utf16CharacterStream> stream( ScannerStream::For(isolate, source)); result->set_character_stream(std::move(stream)); return result; } } // namespace test } // namespace internal } // namespace v8