コード例 #1
0
        //throws RecognitionException, TokenStreamException
        public void action(
		StringTemplate self
	)
        {
            IToken  a = null;
            IToken  i = null;

            try {      // for error handling
            switch ( LA(1) )
            {
            case ACTION:
            {
                a = LT(1);
                match(ACTION);

                String indent = ((ChunkToken)a).getIndentation();
                ASTExpr c = self.parseAction(a.getText());
                c.setIndentation(indent);
                self.addChunk(c);

                break;
            }
            case IF:
            {
                i = LT(1);
                match(IF);

                ConditionalExpr c = (ConditionalExpr)self.parseAction(i.getText());
                // create and precompile the subtemplate
                StringTemplate subtemplate =
                    new StringTemplate(self.getGroup(), null);
                subtemplate.setEnclosingInstance(self);
                subtemplate.setName(i.getText()+" subtemplate");
                self.addChunk(c);

                template(subtemplate);
                if ( c!=null ) c.setSubtemplate(subtemplate);
                {
                    switch ( LA(1) )
                    {
                    case ELSE:
                    {
                        match(ELSE);

                        // create and precompile the subtemplate
                        StringTemplate elseSubtemplate =
                                new StringTemplate(self.getGroup(), null);
                        elseSubtemplate.setEnclosingInstance(self);
                        elseSubtemplate.setName("else subtemplate");

                        template(elseSubtemplate);
                        if ( c!=null ) c.setElseSubtemplate(elseSubtemplate);
                        break;
                    }
                    case ENDIF:
                    {
                        break;
                    }
                    default:
                    {
                        throw new NoViableAltException(LT(1), getFilename());
                    }
                     }
                }
                match(ENDIF);
                break;
            }
            default:
            {
                throw new NoViableAltException(LT(1), getFilename());
            }
             }
            }
            catch (RecognitionException ex)
            {
            reportError(ex);
            recover(ex,tokenSet_1_);
            }
        }
コード例 #2
0
        //throws RecognitionException, TokenStreamException
        public void arg(
		StringTemplate st
	)
        {
            IToken  name = null;
            IToken  s = null;
            IToken  bs = null;

            StringTemplate defaultValue = null;

            try {      // for error handling
            name = LT(1);
            match(ID);
            {
                if ((LA(1)==ASSIGN) && (LA(2)==STRING))
                {
                    match(ASSIGN);
                    s = LT(1);
                    match(STRING);

                                defaultValue=new StringTemplate("$_val_$");
                                defaultValue.setAttribute("_val_", s.getText());
                                defaultValue.defineFormalArgument("_val_");
                                defaultValue.setName("<"+st.getName()+"'s arg "+name.getText()+" default value subtemplate>");

                }
                else if ((LA(1)==ASSIGN) && (LA(2)==ANONYMOUS_TEMPLATE)) {
                    match(ASSIGN);
                    bs = LT(1);
                    match(ANONYMOUS_TEMPLATE);

                                defaultValue=new StringTemplate(st.getGroup(), bs.getText());
                                defaultValue.setName("<"+st.getName()+"'s arg "+name.getText()+" default value subtemplate>");

                }
                else if ((LA(1)==RPAREN||LA(1)==COMMA)) {
                }
                else
                {
                    throw new NoViableAltException(LT(1), getFilename());
                }

            }
            st.defineFormalArgument(name.getText(), defaultValue);
            }
            catch (RecognitionException ex)
            {
            reportError(ex);
            recover(ex,tokenSet_3_);
            }
        }