Examples with Node com.github.javaparser.ast.Node used on opensource projects

Example 86 with Node

use of com.github.javaparser.ast.Node in project drools by kiegroup.

the class AccumulateInline method parseAccumulatePattern.

void parseAccumulatePattern() {
    PatternDescr pattern = accumulateDescr.getInputPattern();
    if (pattern == null || pattern.getSource() == null) {
        return;
    }
    PatternSourceDescr sourceDescr = pattern.getSource();
    if (sourceDescr instanceof FromDescr) {
        DeclarativeInvokerDescr invokerDescr = ((FromDescr) sourceDescr).getDataSource();
        String mvelBlock = addCurlyBracesToBlock(addSemicolon(invokerDescr.getText()));
        CompiledBlockResult fromCodeCompilationResult = mvelCompiler.compileStatement(mvelBlock);
        BlockStmt fromBlock = fromCodeCompilationResult.statementResults();
        for (Statement stmt : fromBlock.getStatements()) {
            stmt.findAll(NameExpr.class).stream().map(Node::toString).filter(context::hasDeclaration).forEach(usedExternalDeclarations::add);
        }
    }
}

Example 87 with Node

use of com.github.javaparser.ast.Node in project drools by kiegroup.

the class FlattenScope method flattenScope.

public static List<Node> flattenScope(TypeResolver typeResolver, Expression expressionWithScope) {
    List<Node> res = new ArrayList<>();
    if (expressionWithScope instanceof FullyQualifiedInlineCastExpr) {
        res.addAll(flattenScope(typeResolver, transformFullyQualifiedInlineCastExpr(typeResolver, (FullyQualifiedInlineCastExpr) expressionWithScope)));
    } else if (expressionWithScope instanceof FieldAccessExpr) {
        FieldAccessExpr fieldAccessExpr = (FieldAccessExpr) expressionWithScope;
        res.addAll(flattenScope(typeResolver, fieldAccessExpr.getScope()));
        res.add(fieldAccessExpr.getName());
    } else if (expressionWithScope instanceof NullSafeFieldAccessExpr) {
        NullSafeFieldAccessExpr fieldAccessExpr = (NullSafeFieldAccessExpr) expressionWithScope;
        res.addAll(flattenScope(typeResolver, fieldAccessExpr.getScope()));
        res.add(fieldAccessExpr.getName());
    } else if (expressionWithScope instanceof MethodCallExpr) {
        MethodCallExpr methodCallExpr = (MethodCallExpr) expressionWithScope;
        if (methodCallExpr.getScope().isPresent()) {
            Expression scope = methodCallExpr.getScope().get();
            if (isFullyQualifiedClassName(typeResolver, scope)) {
                res.add(scope);
            } else {
                res.addAll(flattenScope(typeResolver, scope));
            }
        }
        res.add(methodCallExpr);
    } else if (expressionWithScope instanceof NullSafeMethodCallExpr) {
        NullSafeMethodCallExpr methodCallExpr = (NullSafeMethodCallExpr) expressionWithScope;
        if (methodCallExpr.getScope().isPresent()) {
            res.addAll(flattenScope(typeResolver, methodCallExpr.getScope().orElseThrow(() -> new IllegalStateException("Scope expression is not present!"))));
        }
        res.add(methodCallExpr);
    } else if (expressionWithScope instanceof InlineCastExpr && ((InlineCastExpr) expressionWithScope).getExpression() instanceof FieldAccessExpr) {
        InlineCastExpr inlineCastExpr = (InlineCastExpr) expressionWithScope;
        Expression internalScope = ((FieldAccessExpr) inlineCastExpr.getExpression()).getScope();
        res.addAll(flattenScope(typeResolver, internalScope));
        res.add(expressionWithScope);
    } else if (expressionWithScope instanceof ArrayAccessExpr) {
        ArrayAccessExpr arrayAccessExpr = (ArrayAccessExpr) expressionWithScope;
        res.addAll(flattenScope(typeResolver, arrayAccessExpr.getName()));
        res.add(arrayAccessExpr);
    } else if (expressionWithScope instanceof EnclosedExpr) {
        res.addAll(flattenScope(typeResolver, ((EnclosedExpr) expressionWithScope).getInner()));
    } else {
        res.add(expressionWithScope);
    }
    return res;
}

Example 88 with Node

use of com.github.javaparser.ast.Node in project drools by kiegroup.

the class DrlxParseUtil method findAllChildrenRecursiveRec.

private static void findAllChildrenRecursiveRec(List<Node> accumulator, Node e) {
    for (Node child : e.getChildNodes()) {
        accumulator.add(child);
        findAllChildrenRecursiveRec(accumulator, child);
    }
}

Example 89 with Node

use of com.github.javaparser.ast.Node in project drools by kiegroup.

the class DrlxParseUtil method trasformHalfBinaryToBinary.

public static Expression trasformHalfBinaryToBinary(Expression drlxExpr) {
    final Optional<Node> parent = drlxExpr.getParentNode();
    if (drlxExpr instanceof HalfBinaryExpr && parent.isPresent()) {
        HalfBinaryExpr halfBinaryExpr = (HalfBinaryExpr) drlxExpr;
        Expression parentLeft = findLeftLeafOfNameExprTraversingParent(halfBinaryExpr);
        Operator operator = toBinaryExprOperator(halfBinaryExpr.getOperator());
        return new BinaryExpr(parentLeft, halfBinaryExpr.getRight(), operator);
    }
    return drlxExpr;
}

Example 90 with Node

use of com.github.javaparser.ast.Node in project drools by kiegroup.

the class FlattenScopeTest method flattenArrayAccess.

@Test
public void flattenArrayAccess() {
    List<Node> actual = flattenScope(MockTypeResolver.INSTANCE, expr("$p.getChildrenA()[0]"));
    NameExpr name = new NameExpr("$p");
    final MethodCallExpr mc = new MethodCallExpr(name, "getChildrenA", nodeList());
    mc.setTypeArguments(NodeList.nodeList());
    List<Node> expected = asList(name, mc, new ArrayAccessExpr(mc, new IntegerLiteralExpr(0)));
    compareArrays(actual, expected);
}