Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <string.h> |
| 8 | |
| 9 | #include "include/libplatform/libplatform.h" |
| 10 | #include "include/v8.h" |
| 11 | |
| 12 | using namespace v8; |
| 13 | |
| 14 | class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { |
| 15 | public: |
| 16 | virtual void* Allocate(size_t length) { |
| 17 | void* data = AllocateUninitialized(length); |
| 18 | return data == NULL ? data : memset(data, 0, length); |
| 19 | } |
| 20 | virtual void* AllocateUninitialized(size_t length) { return malloc(length); } |
| 21 | virtual void Free(void* data, size_t) { free(data); } |
| 22 | }; |
| 23 | |
| 24 | |
| 25 | int main(int argc, char* argv[]) { |
| 26 | // Initialize V8. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 27 | V8::InitializeICUDefaultLocation(argv[0]); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 28 | V8::InitializeExternalStartupData(argv[0]); |
| 29 | Platform* platform = platform::CreateDefaultPlatform(); |
| 30 | V8::InitializePlatform(platform); |
| 31 | V8::Initialize(); |
| 32 | |
| 33 | // Create a new Isolate and make it the current one. |
| 34 | ArrayBufferAllocator allocator; |
| 35 | Isolate::CreateParams create_params; |
| 36 | create_params.array_buffer_allocator = &allocator; |
| 37 | Isolate* isolate = Isolate::New(create_params); |
| 38 | { |
| 39 | Isolate::Scope isolate_scope(isolate); |
| 40 | |
| 41 | // Create a stack-allocated handle scope. |
| 42 | HandleScope handle_scope(isolate); |
| 43 | |
| 44 | // Create a new context. |
| 45 | Local<Context> context = Context::New(isolate); |
| 46 | |
| 47 | // Enter the context for compiling and running the hello world script. |
| 48 | Context::Scope context_scope(context); |
| 49 | |
| 50 | // Create a string containing the JavaScript source code. |
| 51 | Local<String> source = |
| 52 | String::NewFromUtf8(isolate, "'Hello' + ', World!'", |
| 53 | NewStringType::kNormal).ToLocalChecked(); |
| 54 | |
| 55 | // Compile the source code. |
| 56 | Local<Script> script = Script::Compile(context, source).ToLocalChecked(); |
| 57 | |
| 58 | // Run the script to get the result. |
| 59 | Local<Value> result = script->Run(context).ToLocalChecked(); |
| 60 | |
| 61 | // Convert the result to an UTF8 string and print it. |
| 62 | String::Utf8Value utf8(result); |
| 63 | printf("%s\n", *utf8); |
| 64 | } |
| 65 | |
| 66 | // Dispose the isolate and tear down V8. |
| 67 | isolate->Dispose(); |
| 68 | V8::Dispose(); |
| 69 | V8::ShutdownPlatform(); |
| 70 | delete platform; |
| 71 | return 0; |
| 72 | } |