| org.antlr.runtime.tree.CommonErrorNode = function(input, start, stop, e) { |
| if ( !stop || |
| (stop.getTokenIndex() < start.getTokenIndex() && |
| stop.getType()!=org.antlr.runtime.Token.EOF) ) |
| { |
| // sometimes resync does not consume a token (when LT(1) is |
| // in follow set. So, stop will be 1 to left to start. adjust. |
| // Also handle case where start is the first token and no token |
| // is consumed during recovery; LT(-1) will return null. |
| stop = start; |
| } |
| this.input = input; |
| this.start = start; |
| this.stop = stop; |
| this.trappedException = e; |
| }; |
| |
| org.antlr.lang.extend(org.antlr.runtime.tree.CommonErrorNode, org.antlr.runtime.tree.CommonTree, { |
| isNil: function() { |
| return false; |
| }, |
| |
| getType: function() { |
| return org.antlr.runtime.Token.INVALID_TOKEN_TYPE; |
| }, |
| |
| getText: function() { |
| var badText = null; |
| if ( this.start instanceof org.antlr.runtime.Token ) { |
| var i = this.start.getTokenIndex(); |
| var j = this.stop.getTokenIndex(); |
| if ( this.stop.getType() === org.antlr.runtime.Token.EOF ) { |
| j = this.input.size(); |
| } |
| badText = this.input.toString(i, j); |
| } |
| else if ( this.start instanceof org.antlr.runtime.tree.Tree ) { |
| badText = this.input.toString(this.start, this.stop); |
| } |
| else { |
| // people should subclass if they alter the tree type so this |
| // next one is for sure correct. |
| badText = "<unknown>"; |
| } |
| return badText; |
| }, |
| |
| toString: function() { |
| if ( this.trappedException instanceof org.antlr.runtime.MissingTokenException ) { |
| return "<missing type: "+ |
| this.trappedException.getMissingType()+ |
| ">"; |
| } |
| else if ( this.trappedException instanceof org.antlr.runtime.UnwantedTokenException ) { |
| return "<extraneous: "+ |
| this.trappedException.getUnexpectedToken()+ |
| ", resync="+this.getText()+">"; |
| } |
| else if ( this.trappedException instanceof org.antlr.runtime.MismatchedTokenException ) { |
| return "<mismatched token: "+this.trappedException.token+", resync="+this.getText()+">"; |
| } |
| else if ( this.trappedException instanceof org.antlr.runtime.NoViableAltException ) { |
| return "<unexpected: "+this.trappedException.token+ |
| ", resync="+this.getText()+">"; |
| } |
| return "<error: "+this.getText()+">"; |
| } |
| }); |