You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
1.9 KiB
84 lines
1.9 KiB
/*
|
|
* Copyright (C) 2016 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef SCOPE_H_
|
|
#define SCOPE_H_
|
|
|
|
#include <android-base/macros.h>
|
|
#include <android-base/logging.h>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <map>
|
|
|
|
namespace android {
|
|
|
|
/* This class is used to represent declarations or notes
|
|
* which are otherwise not included in a HIDL HAL
|
|
*/
|
|
template<typename T>
|
|
struct Scope {
|
|
Scope() {}
|
|
~Scope() {}
|
|
|
|
void enter(std::string name, T item);
|
|
void leave(std::string name);
|
|
|
|
T lookup(std::string name) const;
|
|
|
|
private:
|
|
std::map<std::string, T> mScopeContents;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(Scope);
|
|
};
|
|
|
|
template<typename T>
|
|
void Scope<T>::enter(std::string name, T item) {
|
|
auto it = mScopeContents.find(name);
|
|
|
|
if (it != mScopeContents.end()) {
|
|
LOG(WARNING) << "Redeclaring variable in scope: " << name;
|
|
return;
|
|
}
|
|
|
|
mScopeContents[name] = item;
|
|
}
|
|
|
|
template<typename T>
|
|
void Scope<T>::leave(std::string name) {
|
|
auto it = mScopeContents.find(name);
|
|
|
|
if (it == mScopeContents.end()) {
|
|
LOG(WARNING) << "Tried to undefined already undefined value in scope: " << name;
|
|
return;
|
|
}
|
|
|
|
mScopeContents.erase(it);
|
|
}
|
|
|
|
template<typename T>
|
|
T Scope<T>::lookup(std::string name) const {
|
|
auto it = mScopeContents.find(name);
|
|
|
|
if (it == mScopeContents.end()) {
|
|
return NULL;
|
|
}
|
|
|
|
return (*it).second;
|
|
}
|
|
|
|
} // namespace android
|
|
|
|
#endif // SCOPE_H_
|