Examples with AnalysisResult org.drools.compiler.compiler.AnalysisResult used on opensource projects

Example 11 with AnalysisResult

use of org.drools.compiler.compiler.AnalysisResult in project drools by kiegroup.

the class JavaAccumulateBuilder method buildInlineAccumulate.

private Accumulate buildInlineAccumulate(final RuleBuildContext context, final AccumulateDescr accumDescr, final RuleConditionElement source, Map<String, Declaration> decls, Map<String, Class<?>> declCls, final boolean readLocalsFromTuple) {
    // ELSE, if it is not an external function, build it using the regular java builder
    final String className = "Accumulate" + context.getNextId();
    accumDescr.setClassName(className);
    BoundIdentifiers available = new BoundIdentifiers(declCls, context);
    final JavaAnalysisResult initCodeAnalysis = (JavaAnalysisResult) context.getDialect().analyzeBlock(context, accumDescr, accumDescr.getInitCode(), available);
    final AnalysisResult actionCodeAnalysis = context.getDialect().analyzeBlock(context, accumDescr, accumDescr.getActionCode(), available);
    final AnalysisResult resultCodeAnalysis = context.getDialect().analyzeExpression(context, accumDescr, accumDescr.getResultCode(), available);
    if (initCodeAnalysis == null || actionCodeAnalysis == null || resultCodeAnalysis == null) {
        // not possible to get the analysis results - compilation error has been already logged
        return null;
    }
    final Set<String> requiredDeclarations = new HashSet<String>(initCodeAnalysis.getBoundIdentifiers().getDeclrClasses().keySet());
    requiredDeclarations.addAll(actionCodeAnalysis.getBoundIdentifiers().getDeclrClasses().keySet());
    requiredDeclarations.addAll(resultCodeAnalysis.getBoundIdentifiers().getDeclrClasses().keySet());
    final Map<String, Class<?>> requiredGlobals = new HashMap<String, Class<?>>(initCodeAnalysis.getBoundIdentifiers().getGlobals());
    requiredGlobals.putAll(actionCodeAnalysis.getBoundIdentifiers().getGlobals());
    requiredGlobals.putAll(resultCodeAnalysis.getBoundIdentifiers().getGlobals());
    if (accumDescr.getReverseCode() != null) {
        final AnalysisResult reverseCodeAnalysis = context.getDialect().analyzeBlock(context, accumDescr, accumDescr.getActionCode(), available);
        requiredDeclarations.addAll(reverseCodeAnalysis.getBoundIdentifiers().getDeclrClasses().keySet());
        requiredGlobals.putAll(reverseCodeAnalysis.getBoundIdentifiers().getGlobals());
    }
    final Declaration[] declarations = new Declaration[requiredDeclarations.size()];
    int i = 0;
    for (Iterator<String> it = requiredDeclarations.iterator(); it.hasNext(); i++) {
        declarations[i] = decls.get(it.next());
    }
    final Declaration[] sourceDeclArr = source.getOuterDeclarations().values().toArray(new Declaration[source.getOuterDeclarations().size()]);
    Arrays.sort(sourceDeclArr, RuleTerminalNode.SortDeclarations.instance);
    final Map<String, Object> map = createVariableContext(className, null, context, declarations, null, requiredGlobals);
    map.put("className", accumDescr.getClassName());
    map.put("innerDeclarations", sourceDeclArr);
    map.put("isMultiPattern", readLocalsFromTuple ? Boolean.TRUE : Boolean.FALSE);
    final String initCode = this.fixInitCode(initCodeAnalysis, accumDescr.getInitCode());
    final String actionCode = accumDescr.getActionCode();
    final String resultCode = accumDescr.getResultCode();
    String[] attributesTypes = new String[initCodeAnalysis.getLocalVariablesMap().size()];
    String[] attributes = new String[initCodeAnalysis.getLocalVariablesMap().size()];
    int index = 0;
    for (Map.Entry<String, JavaLocalDeclarationDescr> entry : initCodeAnalysis.getLocalVariablesMap().entrySet()) {
        attributes[index] = entry.getKey();
        attributesTypes[index] = entry.getValue().getType();
        index++;
    }
    map.put("attributes", attributes);
    map.put("attributesTypes", attributesTypes);
    map.put("initCode", initCode);
    map.put("actionCode", actionCode);
    map.put("resultCode", resultCode);
    if (accumDescr.getReverseCode() == null) {
        map.put("reverseCode", "");
        map.put("supportsReverse", "false");
    } else {
        map.put("reverseCode", accumDescr.getReverseCode());
        map.put("supportsReverse", "true");
    }
    map.put("hashCode", actionCode.hashCode());
    SingleAccumulate accumulate = new SingleAccumulate(source, declarations);
    generateTemplates("accumulateInnerClass", "accumulateInvoker", context, className, map, accumulate.new Wirer(), accumDescr);
    return accumulate;
}

Example 12 with AnalysisResult

use of org.drools.compiler.compiler.AnalysisResult in project drools by kiegroup.

the class MVELEnabledBuilder method build.

public void build(RuleBuildContext context) {
    // pushing consequence LHS into the stack for variable resolution
    context.getDeclarationResolver().pushOnBuildStack(context.getRule().getLhs());
    try {
        // This builder is re-usable in other dialects, so specify by name
        MVELDialect dialect = (MVELDialect) context.getDialect("mvel");
        Map<String, Class<?>> otherVars = new HashMap<String, Class<?>>();
        otherVars.put("rule", RuleImpl.class);
        Map<String, Declaration> declrs = context.getDeclarationResolver().getDeclarations(context.getRule());
        AnalysisResult analysis = dialect.analyzeExpression(context, context.getRuleDescr(), context.getRuleDescr().getEnabled(), new BoundIdentifiers(DeclarationScopeResolver.getDeclarationClasses(declrs), context), otherVars);
        final BoundIdentifiers usedIdentifiers = analysis.getBoundIdentifiers();
        int i = usedIdentifiers.getDeclrClasses().keySet().size();
        Declaration[] previousDeclarations = new Declaration[i];
        i = 0;
        for (String id : usedIdentifiers.getDeclrClasses().keySet()) {
            previousDeclarations[i++] = declrs.get(id);
        }
        Arrays.sort(previousDeclarations, SortDeclarations.instance);
        String exprStr = context.getRuleDescr().getEnabled();
        exprStr = exprStr.substring(1, exprStr.length() - 1) + " ";
        MVELCompilationUnit unit = dialect.getMVELCompilationUnit(exprStr, analysis, previousDeclarations, null, otherVars, context, "drools", KnowledgeHelper.class, false, MVELCompilationUnit.Scope.EXPRESSION);
        MVELEnabledExpression expr = new MVELEnabledExpression(unit, dialect.getId());
        context.getRule().setEnabled(KiePolicyHelper.isPolicyEnabled() ? new SafeEnabled(expr) : expr);
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData("mvel");
        data.addCompileable(context.getRule(), expr);
        expr.compile(data, context.getRule());
    } catch (final Exception e) {
        DialectUtil.copyErrorLocation(e, context.getRuleDescr());
        context.addError(new DescrBuildError(context.getParentDescr(), context.getRuleDescr(), null, "Unable to build expression for 'enabled' : " + e.getMessage() + " '" + context.getRuleDescr().getEnabled() + "'"));
    }
}

Example 13 with AnalysisResult

use of org.drools.compiler.compiler.AnalysisResult in project drools by kiegroup.

the class AbstractASMEvalBuilder method build.

public RuleConditionElement build(RuleBuildContext context, BaseDescr descr, Pattern prefixPattern) {
    if (prefixPattern == null) {
        return build(context, descr);
    }
    EvalDescr evalDescr = (EvalDescr) descr;
    PredicateDescr predicateDescr = new PredicateDescr(context.getRuleDescr().getResource(), evalDescr.getContent());
    AnalysisResult analysis = buildAnalysis(context, prefixPattern, predicateDescr, null);
    Declaration[] declarations = getUsedDeclarations(context, prefixPattern, analysis);
    return buildEval(context, evalDescr, analysis, declarations);
}

Example 14 with AnalysisResult

use of org.drools.compiler.compiler.AnalysisResult in project drools by kiegroup.

the class AbstractASMEvalBuilder method build.

public RuleConditionElement build(RuleBuildContext context, BaseDescr descr) {
    // it must be an EvalDescr
    final EvalDescr evalDescr = (EvalDescr) descr;
    Map<String, Declaration> decls = context.getDeclarationResolver().getDeclarations(context.getRule());
    AnalysisResult analysis = context.getDialect().analyzeExpression(context, evalDescr, evalDescr.getContent(), new BoundIdentifiers(DeclarationScopeResolver.getDeclarationClasses(decls), context));
    List<Declaration> requiredDeclarations = new ArrayList<Declaration>();
    for (String usedIdentifier : analysis.getIdentifiers()) {
        Declaration usedDec = decls.get(usedIdentifier);
        if (usedDec != null) {
            requiredDeclarations.add(usedDec);
        }
    }
    final Declaration[] declarations = requiredDeclarations.toArray(new Declaration[requiredDeclarations.size()]);
    return buildEval(context, evalDescr, analysis, declarations);
}