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tim |
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/* ANTLR Translator Generator |
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* Project led by Terence Parr at http://www.jGuru.com |
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* Software rights: http://www.antlr.org/license.html |
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* |
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* $Id: NoViableAltException.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $ |
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*/ |
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#include "antlr/NoViableAltException.hpp" |
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#include "antlr/String.hpp" |
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE |
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namespace antlr { |
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#endif |
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ANTLR_USING_NAMESPACE(std) |
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NoViableAltException::NoViableAltException(RefAST t) |
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: RecognitionException("NoViableAlt","<AST>",-1,-1), |
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token(0), node(t) |
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{ |
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} |
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NoViableAltException::NoViableAltException( |
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RefToken t, |
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const ANTLR_USE_NAMESPACE(std)string& fileName_ |
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) : RecognitionException("NoViableAlt",fileName_,t->getLine(),t->getColumn()), |
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token(t), node(nullASTptr) |
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{ |
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} |
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ANTLR_USE_NAMESPACE(std)string NoViableAltException::getMessage() const |
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{ |
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if (token) |
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{ |
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if( token->getType() == Token::EOF_TYPE ) |
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return string("unexpected end of file"); |
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else if( token->getType() == Token::NULL_TREE_LOOKAHEAD ) |
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return string("unexpected end of tree"); |
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else |
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return string("unexpected token: ")+token->getText(); |
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} |
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// must a tree parser error if token==null |
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if (!node) |
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return "unexpected end of subtree"; |
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return string("unexpected AST node: ")+node->toString(); |
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} |
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#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE |
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} |
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#endif |
