File: per_context_data.cc

package info (click to toggle)
chromium 145.0.7632.159-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,976,224 kB
  • sloc: cpp: 36,198,469; ansic: 7,634,080; javascript: 3,564,060; python: 1,649,622; xml: 838,470; asm: 717,087; pascal: 185,708; sh: 88,786; perl: 88,718; objc: 79,984; sql: 59,811; cs: 42,452; fortran: 24,101; makefile: 21,144; tcl: 15,277; php: 14,022; yacc: 9,066; ruby: 7,553; awk: 3,720; lisp: 3,233; lex: 1,328; ada: 727; jsp: 228; sed: 36
file content (38 lines) | stat: -rw-r--r-- 1,320 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "gin/per_context_data.h"

#include "gin/public/context_holder.h"
#include "gin/public/wrapper_info.h"

namespace gin {

namespace {
// The context object allocates internal fields for each embedder type. This is
// the index into the context object's internal field array for Gin.
constexpr int kGinPerContextDataIndex =
    int{kPerContextDataStartIndex} + kEmbedderNativeGin;
}  // namespace

PerContextData::PerContextData(ContextHolder* context_holder,
                               v8::Local<v8::Context> context)
    : context_holder_(context_holder) {
  context->SetAlignedPointerInEmbedderData(kGinPerContextDataIndex, this,
                                           kGinPerContextDataIndex);
}

PerContextData::~PerContextData() {
  context_holder_->context()->SetAlignedPointerInEmbedderData(
      kGinPerContextDataIndex, nullptr, kGinPerContextDataIndex);
}

// static
PerContextData* PerContextData::From(v8::Local<v8::Context> context) {
  return static_cast<PerContextData*>(
      context->GetAlignedPointerFromEmbedderData(kGinPerContextDataIndex,
                                                 kGinPerContextDataIndex));
}

}  // namespace gin