Package org.drools.lang

Examples of org.drools.lang.DRLParser$init_key_return

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    }

    private DRLParser getParser( final Reader reader ) {
        try {
            lexer = new DRLLexer( new ANTLRReaderStream( reader ) );
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
                                        e );
        }
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    }

    private DRLParser getParser( final InputStream is ) {
        try {
            lexer = new DRLLexer( new ANTLRInputStream( is ) );
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
                                        e );
        }
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                      text );
    }

    public PackageDescr parse(final boolean isEditor,
                              final String text) throws DroolsParserException {
        final DRLParser parser = getParser( text );
        return compile( isEditor,
                        parser );
    }
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                        parser );
    }

    public PackageDescr parse(final boolean isEditor,
                              final Reader reader) throws DroolsParserException {
        final DRLParser parser = getParser( reader );
        return compile( isEditor,
                        parser );
    }
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                           dsl );
    }

    public PackageDescr parse(final boolean isEditor,
                              final InputStream is) throws DroolsParserException {
        final DRLParser parser = getParser( is );
        return compile( isEditor,
                        parser );
    }
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     * @return An instance of a RuleParser should you need one (most folks will
     *         not).
     */
    private DRLParser getParser(final String text) {
        lexer = new DRLLexer( new ANTLRStringStream( text ) );
        DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
        parser.setTreeAdaptor( new DroolsTreeAdaptor() );
        return parser;
    }
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    }

    private DRLParser getParser(final Reader reader) {
        try {
            lexer = new DRLLexer( new ANTLRReaderStream( reader ) );
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
            parser.setTreeAdaptor( new DroolsTreeAdaptor() );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
                                        e );
        }
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    }

    private DRLParser getParser(final InputStream is) {
        try {
            lexer = new DRLLexer( new ANTLRInputStream( is ) );
            DRLParser parser = new DRLParser( new CommonTokenStream( lexer ) );
            parser.setTreeAdaptor( new DroolsTreeAdaptor() );
            return parser;
        } catch ( final Exception e ) {
            throw new RuntimeException( "Unable to parser Reader",
                                        e );
        }
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        FromDescr parent = (FromDescr) parser.getParent();

        final CharStream charStream = new ANTLRStringStream( expression.trim() );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser drlParser = new DRLParser( tokenStream );
        drlParser.setTreeAdaptor(new DroolsTreeAdaptor());

        try {
          Tree fromSourceTree = (Tree) drlParser.from_source().getTree();
          if (!drlParser.hasErrors()){
        CommonTreeNodeStream nodes = new CommonTreeNodeStream(fromSourceTree);
        nodes.setTokenStream(tokenStream);
              DescrBuilderTree walker = new DescrBuilderTree(nodes);
              from_source_clause_return fromReturn = walker.from_source_clause();
              parent.setDataSource(fromReturn.retAccessorDescr);
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    }

    public PackageDescr parse(final boolean isEditor,
                              final String text) throws DroolsParserException {
        lexer = buildLexer(text, languageLevel);
        DRLParser parser = buildParser(lexer, languageLevel);
        return compile(isEditor, parser);
    }
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Related Classes of org.drools.lang.DRLParser$init_key_return

  • org.antlr.runtime.RecognizerSharedState
  • org.antlr.runtime.Token
  • org.drools.compiler.DrlParser
  • org.drools.compiler.xml.rules.ExpressionHandler
  • org.drools.eclipse.editors.completion.CompletionContext
  • org.drools.lang.api.AnnotationDescrBuilder
  • org.drools.lang.api.AttributeDescrBuilder
  • org.drools.lang.api.DeclareDescrBuilder
  • org.drools.lang.api.EntryPointDeclarationDescrBuilder
  • org.drools.lang.api.EnumDeclarationDescrBuilder
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