actiontranslatorlexer.java

ANTLR(ANother Tool for Language Recognition)它是这样的一种工具

              										 "");
              			}
              		}
              		else if ( scope.isParameterScope ) {
              			st = template("parameterSetAttributeRef");
              			st.setAttribute("attr", scope.getAttribute(ID4.getText()));
              			st.setAttribute("expr", translateAction(expr.getText()));
              		}
              		else {
              			st = template("returnSetAttributeRef");
              			st.setAttribute("ruleDescriptor", enclosingRule);
              			st.setAttribute("attr", scope.getAttribute(ID4.getText()));
              			st.setAttribute("expr", translateAction(expr.getText()));
              			}
              		
            }

            }


            if ( backtracking==1 ) {

                      if ( token==null && ruleNestingLevel==1 ) {
                          emit(_type,_line,_charPosition,_channel,_start,getCharIndex()-1);
                      }

                      
            }    }
        finally {
            ruleNestingLevel--;
        }
    }
    // $ANTLR end SET_LOCAL_ATTR

    // $ANTLR start LOCAL_ATTR
    public void mLOCAL_ATTR() throws RecognitionException {
        try {
            ruleNestingLevel++;
            int _type = LOCAL_ATTR;
            int _start = getCharIndex();
            int _line = getLine();
            int _charPosition = getCharPositionInLine();
            int _channel = Token.DEFAULT_CHANNEL;
            // ActionTranslator.g:531:4: ( '$' ID {...}?)
            // ActionTranslator.g:531:4: '$' ID {...}?
            {
            match('$'); if (failed) return ;
            int ID5Start = getCharIndex();
            mID(); if (failed) return ;
            Token ID5 = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, ID5Start, getCharIndex()-1);
            if ( !(enclosingRule!=null && enclosingRule.getLocalAttributeScope(ID5.getText())!=null) ) {
                if (backtracking>0) {failed=true; return ;}
                throw new FailedPredicateException(input, "LOCAL_ATTR", "enclosingRule!=null && enclosingRule.getLocalAttributeScope($ID.text)!=null");
            }
            if ( backtracking==1 ) {

              		StringTemplate st;
              		AttributeScope scope = enclosingRule.getLocalAttributeScope(ID5.getText());
              		if ( scope.isPredefinedRuleScope ) {
              			st = template("rulePropertyRef_"+ID5.getText());
              			grammar.referenceRuleLabelPredefinedAttribute(enclosingRule.name);
              			st.setAttribute("scope", enclosingRule.name);
              			st.setAttribute("attr", ID5.getText());
              		}
              		else if ( scope.isPredefinedLexerRuleScope ) {
              			st = template("lexerRulePropertyRef_"+ID5.getText());
              			st.setAttribute("scope", enclosingRule.name);
              			st.setAttribute("attr", ID5.getText());
              		}
              		else if ( scope.isParameterScope ) {
              			st = template("parameterAttributeRef");
              			st.setAttribute("attr", scope.getAttribute(ID5.getText()));
              		}
              		else {
              			st = template("returnAttributeRef");
              			st.setAttribute("ruleDescriptor", enclosingRule);
              			st.setAttribute("attr", scope.getAttribute(ID5.getText()));
              		}
              		
            }

            }


            if ( backtracking==1 ) {

                      if ( token==null && ruleNestingLevel==1 ) {
                          emit(_type,_line,_charPosition,_channel,_start,getCharIndex()-1);
                      }

                      
            }    }
        finally {
            ruleNestingLevel--;
        }
    }
    // $ANTLR end LOCAL_ATTR

    // $ANTLR start SET_DYNAMIC_SCOPE_ATTR
    public void mSET_DYNAMIC_SCOPE_ATTR() throws RecognitionException {
        try {
            ruleNestingLevel++;
            int _type = SET_DYNAMIC_SCOPE_ATTR;
            int _start = getCharIndex();
            int _line = getLine();
            int _charPosition = getCharPositionInLine();
            int _channel = Token.DEFAULT_CHANNEL;
            // ActionTranslator.g:572:4: ( '$' x= ID '::' y= ID ( WS )? '=' expr= ATTR_VALUE_EXPR ';' {...}?)
            // ActionTranslator.g:572:4: '$' x= ID '::' y= ID ( WS )? '=' expr= ATTR_VALUE_EXPR ';' {...}?
            {
            match('$'); if (failed) return ;
            int xStart = getCharIndex();
            mID(); if (failed) return ;
            Token x = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, xStart, getCharIndex()-1);
            match("::"); if (failed) return ;

            int yStart = getCharIndex();
            mID(); if (failed) return ;
            Token y = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, yStart, getCharIndex()-1);
            // ActionTranslator.g:572:23: ( WS )?
            int alt5=2;
            int LA5_0 = input.LA(1);
            if ( ((LA5_0>='\t' && LA5_0<='\n')||LA5_0==' ') ) {
                alt5=1;
            }
            switch (alt5) {
                case 1 :
                    // ActionTranslator.g:572:23: WS
                    {
                    mWS(); if (failed) return ;

                    }
                    break;

            }

            match('='); if (failed) return ;
            int exprStart = getCharIndex();
            mATTR_VALUE_EXPR(); if (failed) return ;
            Token expr = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, exprStart, getCharIndex()-1);
            match(';'); if (failed) return ;
            if ( !(resolveDynamicScope(x.getText())!=null &&
            						     resolveDynamicScope(x.getText()).getAttribute(y.getText())!=null) ) {
                if (backtracking>0) {failed=true; return ;}
                throw new FailedPredicateException(input, "SET_DYNAMIC_SCOPE_ATTR", "resolveDynamicScope($x.text)!=null &&\n\t\t\t\t\t\t     resolveDynamicScope($x.text).getAttribute($y.text)!=null");
            }
            if ( backtracking==1 ) {

              		AttributeScope scope = resolveDynamicScope(x.getText());
              		if ( scope!=null ) {
              			StringTemplate st = template("scopeSetAttributeRef");
              			st.setAttribute("scope", x.getText());
              			st.setAttribute("attr",  scope.getAttribute(y.getText()));
              			st.setAttribute("expr",  translateAction(expr.getText()));
              		}
              		else {
              			// error: invalid dynamic attribute
              		}
              		
            }

            }


            if ( backtracking==1 ) {

                      if ( token==null && ruleNestingLevel==1 ) {
                          emit(_type,_line,_charPosition,_channel,_start,getCharIndex()-1);
                      }

                      
            }    }
        finally {
            ruleNestingLevel--;
        }
    }
    // $ANTLR end SET_DYNAMIC_SCOPE_ATTR

    // $ANTLR start DYNAMIC_SCOPE_ATTR
    public void mDYNAMIC_SCOPE_ATTR() throws RecognitionException {
        try {
            ruleNestingLevel++;
            int _type = DYNAMIC_SCOPE_ATTR;
            int _start = getCharIndex();
            int _line = getLine();
            int _charPosition = getCharPositionInLine();
            int _channel = Token.DEFAULT_CHANNEL;
            // ActionTranslator.g:591:4: ( '$' x= ID '::' y= ID {...}?)
            // ActionTranslator.g:591:4: '$' x= ID '::' y= ID {...}?
            {
            match('$'); if (failed) return ;
            int xStart = getCharIndex();
            mID(); if (failed) return ;
            Token x = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, xStart, getCharIndex()-1);
            match("::"); if (failed) return ;

            int yStart = getCharIndex();
            mID(); if (failed) return ;
            Token y = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, yStart, getCharIndex()-1);
            if ( !(resolveDynamicScope(x.getText())!=null &&
            						     resolveDynamicScope(x.getText()).getAttribute(y.getText())!=null) ) {
                if (backtracking>0) {failed=true; return ;}
                throw new FailedPredicateException(input, "DYNAMIC_SCOPE_ATTR", "resolveDynamicScope($x.text)!=null &&\n\t\t\t\t\t\t     resolveDynamicScope($x.text).getAttribute($y.text)!=null");
            }
            if ( backtracking==1 ) {

              		AttributeScope scope = resolveDynamicScope(x.getText());
              		if ( scope!=null ) {
              			StringTemplate st = template("scopeAttributeRef");
              			st.setAttribute("scope", x.getText());
              			st.setAttribute("attr",  scope.getAttribute(y.getText()));
              		}
              		else {
              			// error: invalid dynamic attribute
              		}
              		
            }

            }


            if ( backtracking==1 ) {

                      if ( token==null && ruleNestingLevel==1 ) {
                          emit(_type,_line,_charPosition,_channel,_start,getCharIndex()-1);
                      }

                      
            }    }
        finally {
            ruleNestingLevel--;
        }
    }
    // $ANTLR end DYNAMIC_SCOPE_ATTR

    // $ANTLR start ERROR_SCOPED_XY
    public void mERROR_SCOPED_XY() throws RecognitionException {
        try {
            ruleNestingLevel++;
            int _type = ERROR_SCOPED_XY;
            int _start = getCharIndex();
            int _line = getLine();
            int _charPosition = getCharPositionInLine();
            int _channel = Token.DEFAULT_CHANNEL;
            // ActionTranslator.g:610:4: ( '$' x= ID '::' y= ID )
            // ActionTranslator.g:610:4: '$' x= ID '::' y= ID
            {
            match('$'); if (failed) return ;
            int xStart = getCharIndex();
            mID(); if (failed) return ;
            Token x = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, xStart, getCharIndex()-1);
            match("::"); if (failed) return ;

            int yStart = getCharIndex();
            mID(); if (failed) return ;
            Token y = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, yStart, getCharIndex()-1);
            if ( backtracking==1 ) {

              		chunks.add(getText());
              		generator.issueInvalidScopeError(x.getText(),y.getText(),
              		                                 enclosingRule,actionToken,
              		                                 outerAltNum);		
              		
            }

            }


            if ( backtracking==1 ) {

                      if ( token==null && ruleNestingLevel==1 ) {
                          emit(_type,_line,_charPosition,_channel,_start,getCharIndex()-1);
                      }

                      
            }    }
        finally {
            ruleNestingLevel--;
        }
    }
    // $ANTLR end ERROR_SCOPED_XY

    // $ANTLR start DYNAMIC_NEGATIVE_INDEXED_SCOPE_ATTR
    public void mDYNAMIC_NEGATIVE_INDEXED_SCOPE_ATTR() throws RecognitionException {
        try {
            ruleNestingLevel++;
            int _type = DYNAMIC_NEGATIVE_INDEXED_SCOPE_ATTR;
            int _start = getCharIndex();
            int _line = getLine();
            int _charPosition = getCharPositionInLine();
            int _channel = Token.DEFAULT_CHANNEL;
            // ActionTranslator.g:628:4: ( '$' x= ID '[' '-' expr= SCOPE_INDEX_EXPR ']' '::' y= ID )
            // ActionTranslator.g:628:4: '$' x= ID '[' '-' expr= SCOPE_INDEX_EXPR ']' '::' y= ID
            {
            match('$'); if (failed) return ;
            int xStart = getCharIndex();
            mID(); if (failed) return ;
            Token x = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, xStart, getCharIndex()-1);
            match('['); if (failed) return ;
            match('-'); if (failed) return ;
            int exprStart = getCharIndex();
            mSCOPE_INDEX_EXPR(); if (failed) return ;
            Token expr = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, exprStart, getCharIndex()-1);
            match(']'); if (failed) return ;
            match("::"); if (failed) return ;

            int yStart = getCharIndex();
            mID(); if (failed) return ;
            Token y = new CommonToken(input, Token.INVALID_TOKEN_TYPE, Token.DEFAULT_CHANNEL, yStart, getCharIndex()-1);
            if ( backtracking==1 ) {

              		StringTemplate st = template("scopeAttributeRef");
              		st.setAttribute("scope",    x.getText());
              		st.setAttribute("attr",     resolveDynamicScope(x.getText()).getAttribute(y.getText()));
              		st.setAttribute("negIndex", expr.getText());
              		
            }

            }


            if ( backtracking==1 ) {

                      if ( token==null && ruleNestingLevel==1 ) {
                          emit(_type,_line,_charPosition,_channel,_start,getCharIndex()-1);
                      }