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

        assertFalse( this.parser.hasErrors() );
    }


    public void testEmptyPackage() throws Exception {
        final String source = "package foo.bar.baz";
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( new StringReader( source ) );
        assertFalse( parser.hasErrors() );
        assertEquals( "foo.bar.baz",
                      pkg.getName() );
    }

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Examples of org.drools.compiler.DrlParser

        assertEqualsIgnoreWhitespace( "if (speed > speedLimit ? true : false;) pullEmOver();",
                                      (String) rule.getConsequence() );
    }


    public void FIXME_testLatinChars() throws Exception {
        final DrlParser parser = new DrlParser();
        final Reader drl = new InputStreamReader( this.getClass().getResourceAsStream( "latin-sample.dslr" ) );
        final Reader dsl = new InputStreamReader( this.getClass().getResourceAsStream( "latin.dsl" ) );


        final PackageDescr pkg = parser.parse( drl,
                                               dsl );


        //MN: will get some errors due to the char encoding on my FC5 install
        //others who use the right encoding may not see this, feel free to uncomment
        //the following assertion.
        assertFalse( parser.hasErrors() );


        assertEquals( "br.com.auster.drools.sample",
                      pkg.getName() );
        assertEquals( 1,
                      pkg.getRules().size() );

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Examples of org.drools.compiler.DrlParser

        assertEquals( 5,
                      err.line );
    }


    public void testExpanderLineSpread() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( this.getReader( "expander_spread_lines.dslr" ),
                                               this.getReader( "complex.dsl" ) );


        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );


        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

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Examples of org.drools.compiler.DrlParser

        assertNotNull( (String) rule.getConsequence() );


    }


    public void testExpanderMultipleConstraints() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( this.getReader( "expander_multiple_constraints.dslr" ),
                                               this.getReader( "multiple_constraints.dsl" ) );


        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );


        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

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Examples of org.drools.compiler.DrlParser

        assertNotNull( (String) rule.getConsequence() );


    }


    public void testExpanderMultipleConstraintsFlush() throws Exception {
        final DrlParser parser = new DrlParser();
        //this is similar to the other test, but it requires a flush to add the constraints
        final PackageDescr pkg = parser.parse( this.getReader( "expander_multiple_constraints_flush.dslr" ),
                                               this.getReader( "multiple_constraints.dsl" ) );


        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );


        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

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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.err.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

        builder.addPackageFromDrl( new InputStreamReader( getClass().getResourceAsStream( "nested_fields.drl" ) ) );


        assertFalse( builder.getErrors().toString(),
                     builder.hasErrors() );


        DrlParser parser = new DrlParser();
        PackageDescr desc = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "nested_fields.drl" ) ) );
        List packageAttrs = desc.getAttributes();
        assertEquals( 1,
                      desc.getRules().size() );
        assertEquals( 1,
                      packageAttrs.size() );

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Examples of org.drools.compiler.DrlParser

        assertSame( globalObject,
                    list.get( 5 ) );
    }


    public void testFromWithNewConstructor() throws Exception {
        DrlParser parser = new DrlParser();
        PackageDescr descr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_FromWithNewConstructor.drl" ) ) );
        PackageBuilder builder = new PackageBuilder();
        builder.addPackage( descr );
        Package pkg = builder.getPackage();
        pkg.checkValidity();
    }

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Examples of org.drools.compiler.DrlParser

        // reporting


    }


    public void testErrorsParser() throws Exception {
        final DrlParser parser = new DrlParser();
        assertEquals( 0,
                      parser.getErrors().size() );
        parser.parse( new InputStreamReader( getClass().getResourceAsStream( "errors_parser_multiple.drl" ) ) );
        assertTrue( parser.hasErrors() );
        assertTrue( parser.getErrors().size() > 0 );
        assertTrue( parser.getErrors().get( 0 ) instanceof ParserError );
        final ParserError first = ((ParserError) parser.getErrors().get( 0 ));
        assertTrue( first.getMessage() != null );
        assertFalse( first.getMessage().equals( "" ) );
    }

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Examples of org.drools.compiler.DrlParser

        assertTrue( list4.contains( youngChili1 ) );
        assertTrue( list4.contains( chili1 ) );
    }


    public void testDumpers() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_Dumpers.drl" ) ) );


        PackageBuilder builder = new PackageBuilder();
        builder.addPackage( pkg );


        RuleBase ruleBase = getRuleBase();

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