blob: 7ea26b3ed0df6a33e996f4b88f6ae3609e2b6e69 [file] [log] [blame]
/*
* Copyright (C) 2015 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 AAPT_DIAGNOSTICS_H
#define AAPT_DIAGNOSTICS_H
#include "Source.h"
#include "util/StringPiece.h"
#include "util/Util.h"
#include <iostream>
#include <sstream>
#include <string>
namespace aapt {
struct DiagMessageActual {
Source source;
std::string message;
};
struct DiagMessage {
private:
Source mSource;
std::stringstream mMessage;
public:
DiagMessage() = default;
DiagMessage(const StringPiece& src) : mSource(src) {
}
DiagMessage(const Source& src) : mSource(src) {
}
template <typename T> DiagMessage& operator<<(const T& value) {
mMessage << value;
return *this;
}
DiagMessageActual build() const {
return DiagMessageActual{ mSource, mMessage.str() };
}
};
struct IDiagnostics {
virtual ~IDiagnostics() = default;
virtual void error(const DiagMessage& message) = 0;
virtual void warn(const DiagMessage& message) = 0;
virtual void note(const DiagMessage& message) = 0;
};
struct StdErrDiagnostics : public IDiagnostics {
size_t mNumErrors = 0;
void emit(const DiagMessage& msg, const char* tag) {
DiagMessageActual actual = msg.build();
if (!actual.source.path.empty()) {
std::cerr << actual.source << ": ";
}
std::cerr << tag << actual.message << "." << std::endl;
}
void error(const DiagMessage& msg) override {
if (mNumErrors < 20) {
emit(msg, "error: ");
}
mNumErrors++;
}
void warn(const DiagMessage& msg) override {
emit(msg, "warn: ");
}
void note(const DiagMessage& msg) override {
emit(msg, "note: ");
}
};
} // namespace aapt
#endif /* AAPT_DIAGNOSTICS_H */