141 lines
3.2 KiB
C++
141 lines
3.2 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AAPT_DIAGNOSTICS_H
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#define AAPT_DIAGNOSTICS_H
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#include "Source.h"
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#include "util/StringPiece.h"
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#include "util/Util.h"
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#include <android-base/macros.h>
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#include <iostream>
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#include <sstream>
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#include <string>
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namespace aapt {
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struct DiagMessageActual {
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Source source;
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std::string message;
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};
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struct DiagMessage {
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private:
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Source mSource;
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std::stringstream mMessage;
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public:
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DiagMessage() = default;
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explicit DiagMessage(const StringPiece& src) : mSource(src) {}
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explicit DiagMessage(const Source& src) : mSource(src) {}
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explicit DiagMessage(size_t line) : mSource(Source().withLine(line)) {}
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template <typename T>
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DiagMessage& operator<<(const T& value) {
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mMessage << value;
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return *this;
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}
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DiagMessageActual build() const {
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return DiagMessageActual{mSource, mMessage.str()};
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}
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};
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struct IDiagnostics {
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virtual ~IDiagnostics() = default;
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enum class Level { Note, Warn, Error };
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virtual void log(Level level, DiagMessageActual& actualMsg) = 0;
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virtual void error(const DiagMessage& message) {
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DiagMessageActual actual = message.build();
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log(Level::Error, actual);
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}
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virtual void warn(const DiagMessage& message) {
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DiagMessageActual actual = message.build();
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log(Level::Warn, actual);
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}
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virtual void note(const DiagMessage& message) {
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DiagMessageActual actual = message.build();
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log(Level::Note, actual);
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}
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};
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class StdErrDiagnostics : public IDiagnostics {
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public:
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StdErrDiagnostics() = default;
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void log(Level level, DiagMessageActual& actualMsg) override {
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const char* tag;
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switch (level) {
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case Level::Error:
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mNumErrors++;
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if (mNumErrors > 20) {
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return;
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}
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tag = "error";
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break;
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case Level::Warn:
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tag = "warn";
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break;
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case Level::Note:
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tag = "note";
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break;
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}
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if (!actualMsg.source.path.empty()) {
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std::cerr << actualMsg.source << ": ";
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}
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std::cerr << tag << ": " << actualMsg.message << "." << std::endl;
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}
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private:
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size_t mNumErrors = 0;
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DISALLOW_COPY_AND_ASSIGN(StdErrDiagnostics);
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};
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class SourcePathDiagnostics : public IDiagnostics {
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public:
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SourcePathDiagnostics(const Source& src, IDiagnostics* diag)
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: mSource(src), mDiag(diag) {}
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void log(Level level, DiagMessageActual& actualMsg) override {
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actualMsg.source.path = mSource.path;
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mDiag->log(level, actualMsg);
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}
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private:
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Source mSource;
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IDiagnostics* mDiag;
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DISALLOW_COPY_AND_ASSIGN(SourcePathDiagnostics);
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};
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} // namespace aapt
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#endif /* AAPT_DIAGNOSTICS_H */
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