Java Code Examples for org.codehaus.groovy.ast.expr.PropertyExpression#setSourcePosition()

The following examples show how to use org.codehaus.groovy.ast.expr.PropertyExpression#setSourcePosition() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: StaticImportVisitor.java    From groovy with Apache License 2.0 5 votes vote down vote up 
protected Expression transformPropertyExpression(PropertyExpression pe) {
    if (currentMethod!=null && currentMethod.isStatic()
            && pe.getObjectExpression() instanceof VariableExpression
            && ((VariableExpression) pe.getObjectExpression()).isSuperExpression()) {
        PropertyExpression pexp = new PropertyExpression(
                new ClassExpression(currentClass.getSuperClass()),
                transform(pe.getProperty())
        );
        pexp.setSourcePosition(pe);
        return pexp;
    }
    boolean oldInPropertyExpression = inPropertyExpression;
    Expression oldFoundArgs = foundArgs;
    Expression oldFoundConstant = foundConstant;
    inPropertyExpression = true;
    foundArgs = null;
    foundConstant = null;
    Expression objectExpression = transform(pe.getObjectExpression());
    boolean candidate = false;
    if (objectExpression instanceof MethodCallExpression) {
        candidate = ((MethodCallExpression)objectExpression).isImplicitThis();
    }

    if (foundArgs != null && foundConstant != null && candidate) {
        Expression result = findStaticMethodImportFromModule(foundConstant, foundArgs);
        if (result != null) {
            objectExpression = result;
            objectExpression.setSourcePosition(pe);
        }
    }
    inPropertyExpression = oldInPropertyExpression;
    foundArgs = oldFoundArgs;
    foundConstant = oldFoundConstant;
    pe.setObjectExpression(objectExpression);
    return pe;
}
Example 2
Source File: StaticTypesBinaryExpressionMultiTypeDispatcher.java    From groovy with Apache License 2.0 4 votes vote down vote up 
private void transformSpreadOnLHS(final BinaryExpression expression) {
    PropertyExpression spreadExpression = (PropertyExpression) expression.getLeftExpression();
    Expression receiver = spreadExpression.getObjectExpression();

    int counter = labelCounter.incrementAndGet();
    CompileStack compileStack = controller.getCompileStack();
    OperandStack operandStack = controller.getOperandStack();

    // create an empty arraylist
    VariableExpression result = varX(this.getClass().getSimpleName() + "$spreadresult" + counter, ARRAYLIST_CLASSNODE);
    ConstructorCallExpression newArrayList = ctorX(ARRAYLIST_CLASSNODE);
    newArrayList.setNodeMetaData(DIRECT_METHOD_CALL_TARGET, ARRAYLIST_CONSTRUCTOR);
    Expression decl = declX(result, newArrayList);
    decl.visit(controller.getAcg());
    // if (receiver != null)
    receiver.visit(controller.getAcg());
    Label ifnull = compileStack.createLocalLabel("ifnull_" + counter);
    MethodVisitor mv = controller.getMethodVisitor();
    mv.visitJumpInsn(IFNULL, ifnull);
    operandStack.remove(1); // receiver consumed by if()
    Label nonull = compileStack.createLocalLabel("nonull_" + counter);
    mv.visitLabel(nonull);
    ClassNode componentType = StaticTypeCheckingVisitor.inferLoopElementType(
            controller.getTypeChooser().resolveType(receiver, controller.getClassNode()));
    Parameter iterator = new Parameter(componentType, "for$it$" + counter);
    VariableExpression iteratorAsVar = varX(iterator);
    PropertyExpression pexp = spreadExpression instanceof AttributeExpression
        ? new AttributeExpression(iteratorAsVar, spreadExpression.getProperty(), true)
        : new PropertyExpression(iteratorAsVar, spreadExpression.getProperty(), true);
    pexp.setImplicitThis(spreadExpression.isImplicitThis());
    pexp.setSourcePosition(spreadExpression);
    BinaryExpression assignment = binX(pexp, expression.getOperation(), expression.getRightExpression());
    MethodCallExpression add = callX(result, "add", assignment);
    add.setMethodTarget(ARRAYLIST_ADD_METHOD);
    // for (e in receiver) { result.add(e?.method(arguments) }
    ForStatement stmt = new ForStatement(
            iterator,
            receiver,
            stmt(add)
    );
    stmt.visit(controller.getAcg());
    // else { empty list }
    mv.visitLabel(ifnull);
    // end of if/else
    // return result list
    result.visit(controller.getAcg());
}