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/*
* Copyright (C) 2020, 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.
*/
#pragma once
#include <iostream>
#include <string>
class AidlLocation {
public:
struct Point {
int line;
int column;
};
enum class Source {
// From internal aidl source code
INTERNAL = 0,
// From a parsed file
EXTERNAL = 1
};
AidlLocation(const std::string& file, Point begin, Point end, Source source);
AidlLocation(const std::string& file, Source source)
: AidlLocation(file, {0, 0}, {0, 0}, source) {}
bool IsInternal() const { return source_ == Source::INTERNAL; }
// The first line of a file is line 1.
bool LocationKnown() const { return begin_.line != 0; }
std::string GetFile() const { return file_; }
friend std::ostream& operator<<(std::ostream& os, const AidlLocation& l);
friend class AidlNode;
private:
// INTENTIONALLY HIDDEN: only operator<< should access details here.
// Otherwise, locations should only ever be copied around to construct new
// objects.
const std::string file_;
Point begin_;
Point end_;
Source source_;
};
#define AIDL_LOCATION_HERE \
(AidlLocation{__FILE__, {__LINE__, 0}, {__LINE__, 0}, AidlLocation::Source::INTERNAL})
std::ostream& operator<<(std::ostream& os, const AidlLocation& l);