fb5beb9af5
Allow use of flags that must be set before V8 is initialized, such as "--harmony_proxies", e.g. --js-flags="--harmony_proxies --harmony_collections"
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include <string>
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#include "atom/browser/javascript_environment.h"
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#include "base/command_line.h"
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#include "gin/array_buffer.h"
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#include "gin/v8_initializer.h"
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namespace atom {
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JavascriptEnvironment::JavascriptEnvironment()
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: initialized_(Initialize()),
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isolate_(isolate_holder_.isolate()),
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isolate_scope_(isolate_),
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locker_(isolate_),
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handle_scope_(isolate_),
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context_(isolate_, v8::Context::New(isolate_)),
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context_scope_(v8::Local<v8::Context>::New(isolate_, context_)) {
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}
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bool JavascriptEnvironment::Initialize() {
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auto cmd = base::CommandLine::ForCurrentProcess();
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if (cmd->HasSwitch("debug-brk")) {
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// Need to be called before v8::Initialize().
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const char expose_debug_as[] = "--expose_debug_as=v8debug";
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v8::V8::SetFlagsFromString(expose_debug_as, sizeof(expose_debug_as) - 1);
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}
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const std::string js_flags_switch = "js-flags";
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if (cmd->HasSwitch(js_flags_switch)) {
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const char *js_flags_value =
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(cmd->GetSwitchValueASCII(js_flags_switch)).c_str();
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v8::V8::SetFlagsFromString(js_flags_value, strlen(js_flags_value));
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}
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gin::IsolateHolder::Initialize(gin::IsolateHolder::kNonStrictMode,
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gin::ArrayBufferAllocator::SharedInstance());
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return true;
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}
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} // namespace atom
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