Examples of DRLParser

Examples of org.drools.compiler.compiler.DrlParser

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        // dump the generated DRL if the dump dir was configured
        if (this.configuration.getDumpDir() != null) {
            dumpDrlGeneratedFromDTable(this.configuration.getDumpDir(), generatedDrl, resource.getSourcePath());
        }

        DrlParser parser = new DrlParser(this.configuration.getLanguageLevel());
        PackageDescr pkg = parser.parse(resource, new StringReader(generatedDrl));
        this.results.addAll(parser.getErrors());
        if (pkg == null) {
            addBuilderResult(new ParserError(resource, "Parser returned a null Package", 0, 0));
        }
        return parser.hasErrors() ? null : pkg;
    }
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Examples of org.drools.compiler.compiler.DrlParser

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        ScoreCardConfiguration scardConfiguration = configuration instanceof ScoreCardConfiguration ?
                                                    (ScoreCardConfiguration) configuration :
                                                    null;
        String string = ScoreCardFactory.loadFromInputStream(resource.getInputStream(), scardConfiguration);

        DrlParser parser = new DrlParser(this.configuration.getLanguageLevel());
        PackageDescr pkg = parser.parse(resource, new StringReader(string));
        this.results.addAll(parser.getErrors());
        if (pkg == null) {
            addBuilderResult(new ParserError(resource, "Parser returned a null Package", 0, 0));
        }
        return parser.hasErrors() ? null : pkg;
    }
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Examples of org.drools.compiler.compiler.DrlParser

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        PackageDescr pkg;
        boolean hasErrors = false;
        if (resource instanceof DescrResource) {
            pkg = (PackageDescr) ((DescrResource) resource).getDescr();
        } else {
            final DrlParser parser = new DrlParser(configuration.getLanguageLevel());
            pkg = parser.parse(resource);
            this.results.addAll(parser.getErrors());
            if (pkg == null) {
                addBuilderResult(new ParserError(resource, "Parser returned a null Package", 0, 0));
            }
            hasErrors = parser.hasErrors();
        }
        if (pkg != null) {
            pkg.setResource(resource);
        }
        return hasErrors ? null : pkg;
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Examples of org.drools.compiler.compiler.DrlParser

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    public void addPackageFromDrl(final Reader source,
                                  final Reader dsl) throws DroolsParserException,
                                                           IOException {
        this.resource = new ReaderResource(source, ResourceType.DSLR);

        final DrlParser parser = new DrlParser(configuration.getLanguageLevel());
        final PackageDescr pkg = parser.parse(source, dsl);
        this.results.addAll(parser.getErrors());
        if (!parser.hasErrors()) {
            addPackage(pkg);
        }
        this.resource = null;
    }
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Examples of org.drools.compiler.compiler.DrlParser

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    PackageDescr dslrToPackageDescr(Resource resource) throws DroolsParserException {
        boolean hasErrors;
        PackageDescr pkg;

        DrlParser parser = new DrlParser(configuration.getLanguageLevel());
        DefaultExpander expander = getDslExpander();

        Reader reader = null;
        try {
            if (expander == null) {
                expander = new DefaultExpander();
            }
            reader = resource.getReader();
            String str = expander.expand(reader);
            if (expander.hasErrors()) {
                for (ExpanderException error : expander.getErrors()) {
                    error.setResource(resource);
                    addBuilderResult(error);
                }
            }

            pkg = parser.parse(resource, str);
            this.results.addAll(parser.getErrors());
            hasErrors = parser.hasErrors();
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            if (reader != null) {
                try {
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Examples of org.drools.compiler.compiler.DrlParser

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        if (!compiler.getResults().isEmpty()) {
            this.results.addAll(compiler.getResults());
            return null;
        }

        DrlParser parser = new DrlParser(configuration.getLanguageLevel());
        PackageDescr pkg = parser.parse(resource, new StringReader(theory));
        this.results.addAll(parser.getErrors());
        if (pkg == null) {
            addBuilderResult(new ParserError(resource, "Parser returned a null Package", 0, 0));
            return pkg;
        } else {
            return parser.hasErrors() ? null : pkg;
        }
    }
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Examples of org.drools.compiler.compiler.DrlParser

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                        packageDescr = cachedDrlInfo.getPackageDescr();
                        parserErrors = cachedDrlInfo.getParserErrors();
                    }
                }

                DrlParser parser = new DrlParser();
                if ( packageDescr == null ) {
                    Reader dslReader = DSLAdapter.getDSLContent( content, resource );
                    if ( dslReader != null ) {
                        packageDescr = parser.parse( true, content, dslReader );
                    } else {
                        packageDescr = parser.parse( true, content );
                    }
                    parserErrors = parser.getErrors();
                }
                PackageBuilder builder = new PackageBuilder( builder_configuration );
                DRLInfo result = null;
                // compile parsed rules if necessary
                if ( packageDescr != null && compile && !parser.hasErrors()) {
                    // check whether a .package file exists and add it
                    if ( resource != null && resource.getParent() != null ) {
                        MyResourceVisitor visitor = new MyResourceVisitor();
                        resource.getParent().accept( visitor,
                                                     IResource.DEPTH_ONE,
                                                     IResource.NONE );
                        IResource packageDef = visitor.getPackageDef();
                        if ( packageDef != null ) {
                            PackageDescr desc = parseResource( packageDef,
                                                               false ).getPackageDescr();
                            if (desc != null){
                                builder.addPackage( desc);
                            }
                        }
                    }

                    builder.addPackage( packageDescr );
                                       
                    // make sure the namespace is set, use default if necessary, as this is used to build the DRLInfo
                    if ( StringUtils.isEmpty( packageDescr.getNamespace() ) ) {
                        packageDescr.setNamespace( builder.getPackageBuilderConfiguration().getDefaultPackageName() );
                    }
                   
                    result = new DRLInfo( resource == null ? "" : resource.getProjectRelativePath().toString(),
                                          packageDescr,
                                          parserErrors,
                                          builder.getPackageRegistry(packageDescr.getNamespace()).getPackage(),
                                          builder.getErrors().getErrors(),                                         
                                          builder.getPackageRegistry( packageDescr.getNamespace() ).getDialectCompiletimeRegistry() );
                } else {
                    result = new DRLInfo( resource == null ? "" : resource.getProjectRelativePath().toString(),
                                          packageDescr,
                                          parserErrors,
                                          new PackageRegistry(builder, new Package("")).getDialectCompiletimeRegistry() );
                }

                // cache result
                if ( useCache && resource != null) {
                    if ( compile && !parser.hasErrors() ) {
                        parsedRules.remove( resource );
                        compiledRules.put( resource,
                                           result );
                        RuleInfo[] ruleInfos = result.getRuleInfos();
                        for ( int i = 0; i < ruleInfos.length; i++ ) {
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Examples of org.drools.compiler.compiler.DrlParser

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            return this;
        }
    }

    private RuleDescr parseDrl( ExpandedDRLInfo expandedDRLInfo ) {
        DrlParser drlParser = new DrlParser();
        PackageDescr packageDescr;
        try {
            packageDescr = drlParser.parse( true, expandedDRLInfo.plainDrl );
        } catch ( DroolsParserException e ) {
            throw new RuntimeException( e );
        }
        expandedDRLInfo.registerGlobalDescrs( packageDescr.getGlobals() );
        return packageDescr.getRules().get( 0 );
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Examples of org.drools.compiler.compiler.DrlParser

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            return this;
        }
    }

    private RuleDescr parseDrl( ExpandedDRLInfo expandedDRLInfo ) {
        DrlParser drlParser = new DrlParser();
        PackageDescr packageDescr;
        try {
            packageDescr = drlParser.parse( true, expandedDRLInfo.plainDrl );
        } catch ( DroolsParserException e ) {
            throw new RuntimeException( e );
        }
        expandedDRLInfo.registerGlobalDescrs( packageDescr.getGlobals() );
        return packageDescr.getRules().get( 0 );
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Examples of org.drools.compiler.compiler.DrlParser

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                        packageDescr = cachedDrlInfo.getPackageDescr();
                        parserErrors = cachedDrlInfo.getParserErrors();
                    }
                }

                DrlParser parser = new DrlParser();
                if ( packageDescr == null ) {
                    Reader dslReader = DSLAdapter.getDSLContent( content, resource );
                    if ( dslReader != null ) {
                        packageDescr = parser.parse( true, content, dslReader );
                    } else {
                        packageDescr = parser.parse( true, content );
                    }
                    parserErrors = new ArrayList<BaseKnowledgeBuilderResultImpl>();
                    parserErrors.addAll(parser.getErrors());
                }
                KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl( builder_configuration );
                DRLInfo result = null;
                // compile parsed rules if necessary
                if ( packageDescr != null && compile && !parser.hasErrors()) {
                    // check whether a .package file exists and add it
                    if ( resource != null && resource.getParent() != null ) {
                        MyResourceVisitor visitor = new MyResourceVisitor();
                        resource.getParent().accept( visitor,
                                                     IResource.DEPTH_ONE,
                                                     IResource.NONE );
                        IResource packageDef = visitor.getPackageDef();
                        if ( packageDef != null ) {
                            PackageDescr desc = parseResource( packageDef,
                                                               false ).getPackageDescr();
                            if (desc != null){
                                builder.addPackage( desc);
                            }
                        }
                    }

                    builder.addPackage( packageDescr );
                                       
                    // make sure the namespace is set, use default if necessary, as this is used to build the DRLInfo
                    if ( StringUtils.isEmpty( packageDescr.getNamespace() ) ) {
                        packageDescr.setNamespace( builder.getBuilderConfiguration().getDefaultPackageName() );
                    }
                   
                    result = new DRLInfo( resource == null ? "" : resource.getProjectRelativePath().toString(),
                                          packageDescr,
                                          parserErrors,
                                          builder.getPackageRegistry(packageDescr.getNamespace()).getPackage(),
                                          builder.getErrors().getErrors(),                                         
                                          builder.getPackageRegistry( packageDescr.getNamespace() ).getDialectCompiletimeRegistry() );
                } else {
                    result = new DRLInfo( resource == null ? "" : resource.getProjectRelativePath().toString(),
                                          packageDescr,
                                          parserErrors,
                                          new PackageRegistry(newLoader, builder.getBuilderConfiguration(), new KnowledgePackageImpl("")).getDialectCompiletimeRegistry() );
                }

                // cache result
                if ( useCache && resource != null) {
                    if ( compile && !parser.hasErrors() ) {
                        parsedRules.remove( resource );
                        compiledRules.put( resource,
                                           result );
                        RuleInfo[] ruleInfos = result.getRuleInfos();
                        for ( int i = 0; i < ruleInfos.length; i++ ) {
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