forked from NUDT-compiler/nudt-compiler-cpp
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55 lines
2.0 KiB
55 lines
2.0 KiB
/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
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* Use of this file is governed by the BSD 3-clause license that
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* can be found in the LICENSE.txt file in the project root.
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*/
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#include "RuntimeMetaData.h"
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#include "Version.h"
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using namespace antlr4;
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const std::string RuntimeMetaData::VERSION = ANTLRCPP_VERSION_STRING;
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std::string RuntimeMetaData::getRuntimeVersion() {
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return VERSION;
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}
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void RuntimeMetaData::checkVersion(const std::string &generatingToolVersion, const std::string &compileTimeVersion) {
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std::string runtimeVersion = VERSION;
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bool runtimeConflictsWithGeneratingTool = false;
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bool runtimeConflictsWithCompileTimeTool = false;
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if (generatingToolVersion != "") {
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runtimeConflictsWithGeneratingTool = runtimeVersion != generatingToolVersion
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&& getMajorMinorVersion(runtimeVersion) != getMajorMinorVersion(generatingToolVersion);
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}
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runtimeConflictsWithCompileTimeTool = runtimeVersion != compileTimeVersion
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&& getMajorMinorVersion(runtimeVersion) != getMajorMinorVersion(compileTimeVersion);
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if (runtimeConflictsWithGeneratingTool) {
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std::cerr << "ANTLR Tool version " << generatingToolVersion << " used for code generation does not match "
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"the current runtime version " << runtimeVersion << std::endl;
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}
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if (runtimeConflictsWithCompileTimeTool) {
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std::cerr << "ANTLR Runtime version " << compileTimeVersion << " used for parser compilation does not match "
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"the current runtime version " << runtimeVersion << std::endl;
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}
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}
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std::string RuntimeMetaData::getMajorMinorVersion(const std::string &version) {
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size_t firstDot = version.find('.');
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size_t secondDot = firstDot != std::string::npos ? version.find('.', firstDot + 1) : std::string::npos;
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size_t firstDash = version.find('-');
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size_t referenceLength = version.size();
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if (secondDot != std::string::npos) {
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referenceLength = std::min(referenceLength, secondDot);
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}
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if (firstDash != std::string::npos) {
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referenceLength = std::min(referenceLength, firstDash);
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}
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return version.substr(0, referenceLength);
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}
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