BCCContext.cpp revision a2dd52f0710c214e00c1a13e25116e1af5eec77a 
1/*
2 * Copyright 2012, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "bcc/BCCContext.h"
18
19#include "BCCContextImpl.h"
20#include "Log.h"
21#include "bcc/Source.h"
22
23#include <new>
24
25using namespace bcc;
26
27static BCCContext *GlobalContext = nullptr;
28
29BCCContext *BCCContext::GetOrCreateGlobalContext() {
30  if (GlobalContext == nullptr) {
31    GlobalContext = new (std::nothrow) BCCContext();
32    if (GlobalContext == nullptr) {
33      ALOGE("Out of memory when allocating global BCCContext!");
34    }
35  }
36  return GlobalContext;
37}
38
39void BCCContext::DestroyGlobalContext() {
40  delete GlobalContext;
41  GlobalContext = nullptr;
42}
43
44BCCContext::BCCContext() : mImpl(new BCCContextImpl(*this)) { }
45
46BCCContext::~BCCContext() {
47  delete mImpl;
48  if (this == GlobalContext) {
49    // We're deleting the context returned from GetOrCreateGlobalContext().
50    // Reset the GlobalContext.
51    GlobalContext = nullptr;
52  }
53}
54
55void BCCContext::addSource(Source &pSource)
56{ mImpl->mOwnSources.insert(&pSource); }
57
58void BCCContext::removeSource(Source &pSource)
59{ mImpl->mOwnSources.erase(&pSource); }
60
61llvm::LLVMContext &BCCContext::getLLVMContext()
62{ return mImpl->mLLVMContext; }
63
64const llvm::LLVMContext &BCCContext::getLLVMContext() const
65{ return mImpl->mLLVMContext; }
66