X-Git-Url: https://gitweb.ps.run/toc/blobdiff_plain/9f94b672a5dc32da5ad01742bd4e976315a30d9c..c6ad2948bb98d42f8e0883ef82cd14cd2d5eda60:/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp new file mode 100644 index 0000000..5fbc011 --- /dev/null +++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp @@ -0,0 +1,61 @@ +/* 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 "Exceptions.h" +#include "ParserRuleContext.h" +#include "InputMismatchException.h" +#include "Parser.h" + +#include "BailErrorStrategy.h" + +using namespace antlr4; + +void BailErrorStrategy::recover(Parser *recognizer, std::exception_ptr e) { + ParserRuleContext *context = recognizer->getContext(); + do { + context->exception = e; + if (context->parent == nullptr) + break; + context = static_cast(context->parent); + } while (true); + + try { + std::rethrow_exception(e); // Throw the exception to be able to catch and rethrow nested. +#if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023026 + } catch (RecognitionException &inner) { + throw ParseCancellationException(inner.what()); +#else + } catch (RecognitionException & /*inner*/) { + std::throw_with_nested(ParseCancellationException()); +#endif + } +} + +Token* BailErrorStrategy::recoverInline(Parser *recognizer) { + InputMismatchException e(recognizer); + std::exception_ptr exception = std::make_exception_ptr(e); + + ParserRuleContext *context = recognizer->getContext(); + do { + context->exception = exception; + if (context->parent == nullptr) + break; + context = static_cast(context->parent); + } while (true); + + try { + throw e; +#if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023026 + } catch (InputMismatchException &inner) { + throw ParseCancellationException(inner.what()); +#else + } catch (InputMismatchException & /*inner*/) { + std::throw_with_nested(ParseCancellationException()); +#endif + } +} + +void BailErrorStrategy::sync(Parser * /*recognizer*/) { +}