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src/gin/shell_runner.h
Avi Drissman 468e51b677 Update copyright headers in gin/
The methodology used to generate this CL is documented in
https://crbug.com/1098010#c34.

No-Try: true
Bug: 1098010
Change-Id: Iafb266228260abedd345bc3e8c1d483c3a4dc4d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3891087
Commit-Queue: Mark Mentovai <mark@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Owners-Override: Avi Drissman <avi@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1046550}
2022-09-13 20:47:01 +00:00

68 lines
2.0 KiB
C++

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GIN_SHELL_RUNNER_H_
#define GIN_SHELL_RUNNER_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "gin/runner.h"
namespace gin {
class ContextHolder;
class ShellRunner;
class TryCatch;
// Subclass ShellRunnerDelegate to customize the behavior of ShellRunner.
// Typical embedders will want to subclass one of the specialized
// ShellRunnerDelegates, such as ModuleRunnerDelegate.
class GIN_EXPORT ShellRunnerDelegate {
public:
ShellRunnerDelegate();
virtual ~ShellRunnerDelegate();
// Returns the template for the global object.
virtual v8::Local<v8::ObjectTemplate> GetGlobalTemplate(
ShellRunner* runner,
v8::Isolate* isolate);
virtual void DidCreateContext(ShellRunner* runner);
virtual void WillRunScript(ShellRunner* runner);
virtual void DidRunScript(ShellRunner* runner);
virtual void UnhandledException(ShellRunner* runner, TryCatch& try_catch);
};
// ShellRunner executes the script/functions directly in a v8::Context.
// ShellRunner owns a ContextHolder and v8::Context, both of which are destroyed
// when the ShellRunner is deleted.
class GIN_EXPORT ShellRunner : public Runner {
public:
ShellRunner(ShellRunnerDelegate* delegate, v8::Isolate* isolate);
ShellRunner(const ShellRunner&) = delete;
ShellRunner& operator=(const ShellRunner&) = delete;
~ShellRunner() override;
// Before running script in this context, you'll need to enter the runner's
// context by creating an instance of Runner::Scope on the stack.
// Runner overrides:
v8::MaybeLocal<v8::Value> Run(const std::string& source,
const std::string& resource_name) override;
ContextHolder* GetContextHolder() override;
private:
friend class Scope;
v8::MaybeLocal<v8::Value> Run(v8::Local<v8::Script> script);
raw_ptr<ShellRunnerDelegate> delegate_;
std::unique_ptr<ContextHolder> context_holder_;
};
} // namespace gin
#endif // GIN_SHELL_RUNNER_H_