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