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// 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.h"
#include "src/base/template-utils.h"
#include "src/handles.h"
#include "src/isolate.h"
#include "src/objects-inl.h"
#include "src/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;
// Ensure that the function can be compiled lazily.
shared->set_uncompiled_data(
*isolate->factory()->NewUncompiledDataWithoutPreparseData(
ReadOnlyRoots(isolate).empty_string_handle(), 0, source->length(),
function_literal_id));
// 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));
SharedFunctionInfo::SetScript(shared, script, function_literal_id);
return scope.CloseAndEscape(shared);
}
std::unique_ptr<ParseInfo> OuterParseInfoForShared(
Isolate* isolate, Handle<SharedFunctionInfo> shared) {
Handle<Script> script =
Handle<Script>::cast(handle(shared->script(), isolate));
std::unique_ptr<ParseInfo> result =
base::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
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