v8/test/fuzzer/parser.cc

45 lines
1.5 KiB
C++

// 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 <limits.h>
#include <stddef.h>
#include <stdint.h>
#include "include/v8.h"
#include "src/objects.h"
#include "src/parsing/parser.h"
#include "src/parsing/preparser.h"
#include "test/fuzzer/fuzzer-support.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
v8::Isolate* isolate = support->GetIsolate();
v8::Isolate::Scope isolate_scope(isolate);
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(support->GetContext());
v8::TryCatch try_catch(isolate);
v8::internal::Isolate* i_isolate =
reinterpret_cast<v8::internal::Isolate*>(isolate);
v8::internal::Factory* factory = i_isolate->factory();
if (size > INT_MAX) return 0;
v8::internal::MaybeHandle<v8::internal::String> source =
factory->NewStringFromOneByte(
v8::internal::Vector<const uint8_t>(data, static_cast<int>(size)));
if (source.is_null()) return 0;
v8::internal::Handle<v8::internal::Script> script =
factory->NewScript(source.ToHandleChecked());
v8::internal::Zone zone(i_isolate->allocator());
v8::internal::ParseInfo info(&zone, script);
info.set_global();
v8::internal::Parser parser(&info);
parser.Parse(&info);
isolate->RequestGarbageCollectionForTesting(
v8::Isolate::kFullGarbageCollection);
return 0;
}