forked from NUDT-compiler/nudt-compiler-cpp
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37 lines
1.2 KiB
37 lines
1.2 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 "misc/Interval.h"
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#include "support/CPPUtils.h"
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#include "CharStream.h"
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#include "Lexer.h"
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#include "LexerNoViableAltException.h"
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using namespace antlr4;
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LexerNoViableAltException::LexerNoViableAltException(Lexer *lexer, CharStream *input, size_t startIndex,
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atn::ATNConfigSet *deadEndConfigs)
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: RecognitionException(lexer, input, nullptr, nullptr), _startIndex(startIndex), _deadEndConfigs(deadEndConfigs) {
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}
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size_t LexerNoViableAltException::getStartIndex() {
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return _startIndex;
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}
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atn::ATNConfigSet* LexerNoViableAltException::getDeadEndConfigs() {
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return _deadEndConfigs;
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}
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std::string LexerNoViableAltException::toString() {
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std::string symbol;
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if (_startIndex < getInputStream()->size()) {
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symbol = static_cast<CharStream *>(getInputStream())->getText(misc::Interval(_startIndex, _startIndex));
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symbol = antlrcpp::escapeWhitespace(symbol, false);
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}
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std::string format = "LexerNoViableAltException('" + symbol + "')";
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return format;
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}
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