104 lines
2.7 KiB
Text
104 lines
2.7 KiB
Text
$$ This is a pump file for generating file templates. Pump is a python
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$$ script that is part of the Google Test suite of utilities. Description
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$$ can be found here:
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$$
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$$ http://code.google.com/p/googletest/wiki/PumpManual
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$$
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$var MAX_ARITY = 6
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// Copyright (c) 2014 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "base/bind.h"
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#include "base/callback.h"
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#include "native_mate/function_template.h"
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#include "native_mate/locker.h"
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#include "native_mate/scoped_persistent.h"
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namespace mate {
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namespace internal {
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typedef scoped_refptr<RefCountedPersistent<v8::Function> > SafeV8Function;
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// This set of templates invokes a V8::Function by converting the C++ types.
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template<typename Sig>
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struct V8FunctionInvoker;
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$range ARITY 0..MAX_ARITY
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$for ARITY [[
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$range ARG 1..ARITY
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template<typename R$for ARG [[, typename P$(ARG)]]>
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struct V8FunctionInvoker<R($for ARG , [[P$(ARG)]])> {
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static R Go(v8::Isolate* isolate, SafeV8Function function$for ARG [[, P$(ARG) a$(ARG)]]) {
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R ret;
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Locker locker(isolate);
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MATE_HANDLE_SCOPE(isolate);
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v8::Handle<v8::Function> holder = function->NewHandle();
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$if ARITY == 0 [[
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v8::Handle<v8::Value> val(holder->Call(holder, 0, NULL));
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]] $else [[
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v8::Handle<v8::Value> args[] = {
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$for ARG [[
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ConvertToV8(isolate, a$(ARG)),
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]]
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};
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v8::Handle<v8::Value> val(holder->Call(holder, arraysize(args), args));
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]]
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Converter<R>::FromV8(isolate, val, &ret);
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return ret;
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}
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};
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template<$for ARG , [[typename P$(ARG)]]>
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struct V8FunctionInvoker<void($for ARG , [[P$(ARG)]])> {
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static void Go(v8::Isolate* isolate, SafeV8Function function$for ARG [[, P$(ARG) a$(ARG)]]) {
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Locker locker(isolate);
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MATE_HANDLE_SCOPE(isolate);
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v8::Handle<v8::Function> holder = function->NewHandle();
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$if ARITY == 0 [[
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holder->Call(holder, 0, NULL);
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]] $else [[
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v8::Handle<v8::Value> args[] = {
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$for ARG [[
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ConvertToV8(isolate, a$(ARG)),
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]]
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};
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holder->Call(holder, arraysize(args), args);
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]]
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}
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};
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]]
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} // namespace internal
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template<typename Sig>
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struct Converter<base::Callback<Sig> > {
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static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
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const base::Callback<Sig>& val) {
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return CreateFunctionTemplate(isolate, val)->GetFunction();
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}
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static bool FromV8(v8::Isolate* isolate,
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v8::Handle<v8::Value> val,
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base::Callback<Sig>* out) {
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if (!val->IsFunction())
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return false;
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internal::SafeV8Function function(
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new RefCountedPersistent<v8::Function>(isolate, val));
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*out = base::Bind(&internal::V8FunctionInvoker<Sig>::Go, isolate, function);
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return true;
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}
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};
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} // namespace mate
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