a0c3797461
TBR=bmeurer@chromium.org,leszeks@chromium.org Bug: v8:9247 Change-Id: I8d14d0192ea8c705f8274e8e61a162531826edb6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1624220 Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Hannes Payer <hpayer@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#61769}
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/unittests/test-helpers.h"
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#include "include/v8.h"
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#include "src/api/api.h"
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#include "src/base/template-utils.h"
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#include "src/execution/isolate.h"
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#include "src/handles/handles.h"
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#include "src/objects/objects-inl.h"
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#include "src/objects/objects.h"
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#include "src/parsing/scanner-character-streams.h"
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#include "src/parsing/scanner.h"
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namespace v8 {
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namespace internal {
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namespace test {
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Handle<String> CreateSource(Isolate* isolate,
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ExternalOneByteString::Resource* maybe_resource) {
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if (!maybe_resource) {
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static const char test_script[] = "(x) { x*x; }";
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maybe_resource = new test::ScriptResource(test_script, strlen(test_script));
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}
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return isolate->factory()
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->NewExternalStringFromOneByte(maybe_resource)
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.ToHandleChecked();
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}
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Handle<SharedFunctionInfo> CreateSharedFunctionInfo(
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Isolate* isolate,
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v8::String::ExternalOneByteStringResource* maybe_resource) {
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HandleScope scope(isolate);
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Handle<String> source = CreateSource(isolate, maybe_resource);
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Handle<Script> script = isolate->factory()->NewScript(source);
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Handle<WeakFixedArray> infos = isolate->factory()->NewWeakFixedArray(3);
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script->set_shared_function_infos(*infos);
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Handle<SharedFunctionInfo> shared =
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isolate->factory()->NewSharedFunctionInfoForBuiltin(
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isolate->factory()->NewStringFromAsciiChecked("f"),
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Builtins::kCompileLazy);
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int function_literal_id = 1;
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// Ensure that the function can be compiled lazily.
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shared->set_uncompiled_data(
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*isolate->factory()->NewUncompiledDataWithoutPreparseData(
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ReadOnlyRoots(isolate).empty_string_handle(), 0, source->length(),
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function_literal_id));
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// Make sure we have an outer scope info, even though it's empty
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shared->set_raw_outer_scope_info_or_feedback_metadata(
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ScopeInfo::Empty(isolate));
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SharedFunctionInfo::SetScript(shared, script, function_literal_id);
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return scope.CloseAndEscape(shared);
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}
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std::unique_ptr<ParseInfo> OuterParseInfoForShared(
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Isolate* isolate, Handle<SharedFunctionInfo> shared) {
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Handle<Script> script =
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Handle<Script>::cast(handle(shared->script(), isolate));
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std::unique_ptr<ParseInfo> result =
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base::make_unique<ParseInfo>(isolate, script);
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// Create a character stream to simulate the parser having done so for the
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// to-level ParseProgram.
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Handle<String> source(String::cast(script->source()), isolate);
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std::unique_ptr<Utf16CharacterStream> stream(
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ScannerStream::For(isolate, source));
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result->set_character_stream(std::move(stream));
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return result;
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}
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} // namespace test
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} // namespace internal
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} // namespace v8
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