OSX/libsecurity_codesigning/antlr2/src/NoViableAltException.cpp

   1 /* ANTLR Translator Generator
   2  * Project led by Terence Parr at http://www.jGuru.com
   3  * Software rights: http://www.antlr.org/license.html
   4  *
   5  * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/src/NoViableAltException.cpp#2 $
   6  */
   7
   8 #include "antlr/NoViableAltException.hpp"
   9 #include "antlr/String.hpp"
  10
  11 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
  12 namespace antlr {
  13 #endif
  14
  15 ANTLR_USING_NAMESPACE(std)
  16
  17 NoViableAltException::NoViableAltException(RefAST t)
  18   : RecognitionException("NoViableAlt","<AST>",-1,-1),
  19     token(0), node(t)
  20 {
  21 }
  22
  23 NoViableAltException::NoViableAltException(
  24         RefToken t,
  25         const ANTLR_USE_NAMESPACE(std)string& fileName_
  26 ) : RecognitionException("NoViableAlt",fileName_,t->getLine(),t->getColumn()),
  27     token(t), node(nullASTptr)
  28 {
  29 }
  30
  31 ANTLR_USE_NAMESPACE(std)string NoViableAltException::getMessage() const
  32 {
  33         if (token)
  34         {
  35                 if( token->getType() == Token::EOF_TYPE )
  36                         return string("unexpected end of file");
  37                 else if( token->getType() == Token::NULL_TREE_LOOKAHEAD )
  38                         return string("unexpected end of tree");
  39                 else
  40                         return string("unexpected token: ")+token->getText();
  41         }
  42
  43         // must a tree parser error if token==null
  44         if (!node)
  45                 return "unexpected end of subtree";
  46
  47         return string("unexpected AST node: ")+node->toString();
  48 }
  49
  50 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
  51 }
  52 #endif