Examples of DRLParser

org.drools.compiler.DrlParser
This is a low level parser API. This will return textual AST representations of the DRL source, including with DSL expanders if appropriate.
org.drools.compiler.compiler.DrlParser
This is a low level parser API. This will return textual AST representations of the DRL source, including with DSL expanders if appropriate.
org.drools.compiler.lang.DRLParser
org.drools.lang.DRLParser

Examples of org.drools.compiler.DrlParser

    }


    private RuleBase loadRuleBase(final Reader reader) throws IOException,
                                                      DroolsParserException,
                                                      Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr packageDescr = parser.parse( reader );
        if ( parser.hasErrors() ) {
            System.out.println( parser.getErrors() );
            Assert.fail( "Error messages in parser, need to sort this our (or else collect error messages)" );
        }
        // pre build the package
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackage( packageDescr );

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Examples of org.drools.compiler.DrlParser

                                                PackageIntegrationException,
                                                DroolsParserException {
        final InputStream is = getClass().getClassLoader().getResourceAsStream( "simplerule.drl" );
        String drl = streamToString( is );


        DrlParser parser = new DrlParser();
        PackageDescr packageDescr = parser.parse(drl);
        PackageBuilder builder = new PackageBuilder();
        builder.addPackage(packageDescr);
        Package pkg = builder.getPackage();
        ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase(RuleBase.RETEOO);
        ruleBase.addPackage(pkg);

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Examples of org.drools.compiler.DrlParser


    @Test
    public void testDebug() throws Exception {
        String rule = "package com.sample; dialect \"mvel\" rule myRule when then\n System.out.println( \"test\" ); end";
        PackageBuilder builder = new PackageBuilder();
        DrlParser parser = new DrlParser();
        PackageDescr packageDescr = parser.parse(rule);
        RuleDescr ruleDescr = packageDescr.getRules().get(0);
        builder = new PackageBuilder( );
        builder.addPackage(packageDescr);
        Package pkg = builder.getPackage();
        MVELConsequence consequence = (MVELConsequence) pkg.getRule("myRule").getConsequence();

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Examples of org.drools.compiler.DrlParser

    public void testMVELDebugSymbols() throws DroolsParserException {


        MVELDebugHandler.setDebugMode( true );


        try {
            final DrlParser parser = new DrlParser();
            final PackageDescr pkgDescr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "mvel_rule.drl" ) ) );


            // just checking there is no parsing errors
            assertFalse( parser.getErrors().toString(),
                                parser.hasErrors() );


            final Package pkg = new Package( "org.drools" );


            final RuleDescr ruleDescr = (RuleDescr) pkgDescr.getRules().get( 0 );

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Examples of org.drools.compiler.DrlParser

                System.out.println(drl);


                builder.addPackageFromDrl(new StringReader(drl));


            } else if (fileName.endsWith(DroolsCompilerAntTask.DSLFILEEXTENSION)) {
        DrlParser parser = new DrlParser();
        String expandedDRL = parser.getExpandedDRL(
            loadResource(fileName), resolveDSLFiles());
        builder.addPackageFromDrl(new StringReader(expandedDRL));
      } else {
        builder.addPackageFromDrl(instream);
      }

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Examples of org.drools.compiler.DrlParser

    // Analytics just works with drl files 
    if ( !filename.endsWith(DroolsAnalyticsAntTask.DRLFILEEXTENSION) ) {
      throw new UnsupportedOperationException();
    }
    
    PackageDescr descr = new DrlParser()
        .parse(new InputStreamReader(Analyzer.class
            .getResourceAsStream(filename)));
    
    droolsanalyzer.addPackageDescr(descr);
  }

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Examples of org.drools.compiler.DrlParser


    private RuleBase loadRuleBase( final Reader reader,
                                   final PackageBuilderConfiguration conf ) throws IOException,
                                                                           DroolsParserException,
                                                                           Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr packageDescr = parser.parse( reader );
        if ( parser.hasErrors() ) {
            fail( "Error messages in parser, need to sort this our (or else collect error messages)\n" + parser.getErrors() );
        }
        // pre build the package
        JavaDialectConfiguration jconf = (JavaDialectConfiguration) conf.getDialectConfiguration( "java" );
        // required because JANINO compiler fails for some java 5 code features
        jconf.setCompiler( JavaDialectConfiguration.ECLIPSE );

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Examples of org.drools.compiler.DrlParser

        for (int i = 0; i < RULE_COUNT; i++) {
            sb.append(LargeRuleBase.getTemplate1("testRule"+i, i));
        }
        System.out.println("Parsing "+RULE_COUNT+" rules");
        PackageBuilder pkgBuilder = new PackageBuilder();
        DrlParser ps = new DrlParser();
        PackageDescr pkgDescr = ps.parse(new StringReader(sb.toString()));


        pkgBuilder.addPackage(pkgDescr);


        Package pkg = pkgBuilder.getPackage();
        ruleBase = RuleBaseFactory.newRuleBase();

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Examples of org.drools.compiler.DrlParser

                               RuleIntegrationException,
                               PackageIntegrationException,
                               InvalidPatternException {
        //read in the source
        final Reader reader = new InputStreamReader( Waltz.class.getResourceAsStream( "waltz.drl" ) );
        final DrlParser parser = new DrlParser();
        final PackageDescr packageDescr = parser.parse( reader );
        
        if( parser.hasErrors() ) {
            for( DroolsError error : parser.getErrors() ) {
                System.out.println( error );
            }
            assertFalse( parser.getErrors().toString(), parser.hasErrors() );
        }


        //pre build the package
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackage( packageDescr );

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Examples of org.drools.compiler.DrlParser

            buf.append(r);
        }


        /* love you */long time = System.currentTimeMillis();


        DrlParser ps = new DrlParser();
        PackageDescr pkg = ps.parse(new StringReader(buf.toString()));


        System.err.println("Time taken for parsing: "
                + (System.currentTimeMillis() - time));


        time = System.currentTimeMillis();

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