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