47 lines
1.5 KiB
C++
Executable File
47 lines
1.5 KiB
C++
Executable File
/* 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 "Parser.h"
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#include "NoViableAltException.h"
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using namespace antlr4;
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namespace {
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// Create a normal shared pointer if the configurations are to be deleted. If not, then
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// the shared pointer is created with a deleter that does nothing.
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Ref<atn::ATNConfigSet> buildConfigsRef(atn::ATNConfigSet *configs, bool deleteConfigs) {
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if (deleteConfigs) {
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return Ref<atn::ATNConfigSet>(configs);
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} else {
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return Ref<atn::ATNConfigSet>(configs, [](atn::ATNConfigSet *){});
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}
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}
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}
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NoViableAltException::NoViableAltException(Parser *recognizer)
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: NoViableAltException(recognizer, recognizer->getTokenStream(), recognizer->getCurrentToken(),
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recognizer->getCurrentToken(), nullptr, recognizer->getContext(), false) {
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}
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NoViableAltException::NoViableAltException(Parser *recognizer, TokenStream *input,Token *startToken,
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Token *offendingToken, atn::ATNConfigSet *deadEndConfigs, ParserRuleContext *ctx, bool deleteConfigs)
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: RecognitionException("No viable alternative", recognizer, input, ctx, offendingToken),
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_deadEndConfigs(buildConfigsRef(deadEndConfigs, deleteConfigs)), _startToken(startToken) {
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}
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NoViableAltException::~NoViableAltException() {
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}
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Token* NoViableAltException::getStartToken() const {
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return _startToken;
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}
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atn::ATNConfigSet* NoViableAltException::getDeadEndConfigs() const {
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return _deadEndConfigs.get();
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}
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