Examples with MethodCallExpression org.codehaus.groovy.ast.expr.MethodCallExpression used on opensource projects

Example 26 with MethodCallExpression

use of org.codehaus.groovy.ast.expr.MethodCallExpression in project groovy by apache.

the class MacroInvocationTrap method getMacroArguments.

protected TupleExpression getMacroArguments(MethodCallExpression call) {
    Expression macroCallArguments = call.getArguments();
    if (macroCallArguments == null) {
        addError("Call should have arguments", call);
        return null;
    }
    if (!(macroCallArguments instanceof TupleExpression)) {
        addError("Call should have TupleExpression as arguments", macroCallArguments);
        return null;
    }
    TupleExpression tupleArguments = (TupleExpression) macroCallArguments;
    if (tupleArguments.getExpressions() == null) {
        addError("Call arguments should have expressions", tupleArguments);
        return null;
    }
    return tupleArguments;
}

Example 27 with MethodCallExpression

use of org.codehaus.groovy.ast.expr.MethodCallExpression in project groovy by apache.

the class TraitTypeCheckingExtension method handleMissingMethod.

@Override
public List<MethodNode> handleMissingMethod(final ClassNode receiver, final String name, final ArgumentListExpression argumentList, final ClassNode[] argumentTypes, final MethodCall call) {
    String[] decomposed = Traits.decomposeSuperCallName(name);
    if (decomposed != null) {
        return convertToDynamicCall(call, receiver, decomposed, argumentTypes);
    }
    if (call instanceof MethodCallExpression) {
        MethodCallExpression mce = (MethodCallExpression) call;
        if (mce.getReceiver() instanceof VariableExpression) {
            VariableExpression var = (VariableExpression) mce.getReceiver();
            // GROOVY-7322
            // static method call in trait?
            ClassNode type = null;
            if (isStaticTraitReceiver(receiver, var)) {
                type = receiver.getGenericsTypes()[0].getType();
            } else if (isThisTraitReceiver(var)) {
                type = receiver;
            }
            if (type != null && Traits.isTrait(type)) {
                ClassNode helper = Traits.findHelper(type);
                Parameter[] params = new Parameter[argumentTypes.length + 1];
                params[0] = new Parameter(ClassHelper.CLASS_Type.getPlainNodeReference(), "staticSelf");
                for (int i = 1; i < params.length; i++) {
                    params[i] = new Parameter(argumentTypes[i - 1], "p" + i);
                }
                MethodNode method = helper.getDeclaredMethod(name, params);
                if (method != null) {
                    return Collections.singletonList(makeDynamic(call, method.getReturnType()));
                }
            }
        }
        ClassNode dynamic = mce.getNodeMetaData(TraitASTTransformation.DO_DYNAMIC);
        if (dynamic != null) {
            return Collections.singletonList(makeDynamic(call, dynamic));
        }
    }
    return NOTFOUND;
}

Example 28 with MethodCallExpression

use of org.codehaus.groovy.ast.expr.MethodCallExpression in project groovy by apache.

the class SuperCallTraitTransformer method transformBinaryExpression.

private Expression transformBinaryExpression(final BinaryExpression exp) {
    Expression trn = super.transform(exp);
    if (trn instanceof BinaryExpression) {
        BinaryExpression bin = (BinaryExpression) trn;
        Expression leftExpression = bin.getLeftExpression();
        if (bin.getOperation().getType() == Types.EQUAL && leftExpression instanceof PropertyExpression) {
            ClassNode traitReceiver = null;
            PropertyExpression leftPropertyExpression = (PropertyExpression) leftExpression;
            if (isTraitSuperPropertyExpression(leftPropertyExpression.getObjectExpression())) {
                PropertyExpression pexp = (PropertyExpression) leftPropertyExpression.getObjectExpression();
                traitReceiver = pexp.getObjectExpression().getType();
            }
            if (traitReceiver != null) {
                // A.super.foo = ...
                TraitHelpersTuple helpers = Traits.findHelpers(traitReceiver);
                ClassNode helper = helpers.getHelper();
                String setterName = MetaProperty.getSetterName(leftPropertyExpression.getPropertyAsString());
                List<MethodNode> methods = helper.getMethods(setterName);
                for (MethodNode method : methods) {
                    Parameter[] parameters = method.getParameters();
                    if (parameters.length == 2 && parameters[0].getType().equals(traitReceiver)) {
                        ArgumentListExpression args = new ArgumentListExpression(new VariableExpression("this"), transform(exp.getRightExpression()));
                        MethodCallExpression setterCall = new MethodCallExpression(new ClassExpression(helper), setterName, args);
                        setterCall.setMethodTarget(method);
                        setterCall.setImplicitThis(false);
                        return setterCall;
                    }
                }
                return bin;
            }
        }
    }
    return trn;
}

Example 29 with MethodCallExpression

use of org.codehaus.groovy.ast.expr.MethodCallExpression in project groovy-core by groovy.

the class ClosureWriter method createClosureClass.

protected ClassNode createClosureClass(ClosureExpression expression, int mods) {
    ClassNode classNode = controller.getClassNode();
    ClassNode outerClass = controller.getOutermostClass();
    MethodNode methodNode = controller.getMethodNode();
    String name = classNode.getName() + "$" + // add a more informative name
    controller.getContext().getNextClosureInnerName(outerClass, classNode, methodNode);
    boolean staticMethodOrInStaticClass = controller.isStaticMethod() || classNode.isStaticClass();
    Parameter[] parameters = expression.getParameters();
    if (parameters == null) {
        parameters = Parameter.EMPTY_ARRAY;
    } else if (parameters.length == 0) {
        // let's create a default 'it' parameter
        Parameter it = new Parameter(ClassHelper.OBJECT_TYPE, "it", ConstantExpression.NULL);
        parameters = new Parameter[] { it };
        Variable ref = expression.getVariableScope().getDeclaredVariable("it");
        if (ref != null)
            it.setClosureSharedVariable(ref.isClosureSharedVariable());
    }
    Parameter[] localVariableParams = getClosureSharedVariables(expression);
    removeInitialValues(localVariableParams);
    InnerClassNode answer = new InnerClassNode(classNode, name, mods, ClassHelper.CLOSURE_TYPE.getPlainNodeReference());
    answer.setEnclosingMethod(controller.getMethodNode());
    answer.setSynthetic(true);
    answer.setUsingGenerics(outerClass.isUsingGenerics());
    answer.setSourcePosition(expression);
    if (staticMethodOrInStaticClass) {
        answer.setStaticClass(true);
    }
    if (controller.isInScriptBody()) {
        answer.setScriptBody(true);
    }
    MethodNode method = answer.addMethod("doCall", ACC_PUBLIC, ClassHelper.OBJECT_TYPE, parameters, ClassNode.EMPTY_ARRAY, expression.getCode());
    method.setSourcePosition(expression);
    VariableScope varScope = expression.getVariableScope();
    if (varScope == null) {
        throw new RuntimeException("Must have a VariableScope by now! for expression: " + expression + " class: " + name);
    } else {
        method.setVariableScope(varScope.copy());
    }
    if (parameters.length > 1 || (parameters.length == 1 && parameters[0].getType() != null && parameters[0].getType() != ClassHelper.OBJECT_TYPE && !ClassHelper.OBJECT_TYPE.equals(parameters[0].getType().getComponentType()))) {
        // let's add a typesafe call method
        MethodNode call = answer.addMethod("call", ACC_PUBLIC, ClassHelper.OBJECT_TYPE, parameters, ClassNode.EMPTY_ARRAY, new ReturnStatement(new MethodCallExpression(VariableExpression.THIS_EXPRESSION, "doCall", new ArgumentListExpression(parameters))));
        call.setSourcePosition(expression);
    }
    // let's make the constructor
    BlockStatement block = new BlockStatement();
    // this block does not get a source position, because we don't
    // want this synthetic constructor to show up in corbertura reports
    VariableExpression outer = new VariableExpression("_outerInstance");
    outer.setSourcePosition(expression);
    block.getVariableScope().putReferencedLocalVariable(outer);
    VariableExpression thisObject = new VariableExpression("_thisObject");
    thisObject.setSourcePosition(expression);
    block.getVariableScope().putReferencedLocalVariable(thisObject);
    TupleExpression conArgs = new TupleExpression(outer, thisObject);
    block.addStatement(new ExpressionStatement(new ConstructorCallExpression(ClassNode.SUPER, conArgs)));
    // let's assign all the parameter fields from the outer context
    for (Parameter param : localVariableParams) {
        String paramName = param.getName();
        ClassNode type = param.getType();
        if (true) {
            VariableExpression initialValue = new VariableExpression(paramName);
            initialValue.setAccessedVariable(param);
            initialValue.setUseReferenceDirectly(true);
            ClassNode realType = type;
            type = ClassHelper.makeReference();
            param.setType(ClassHelper.makeReference());
            FieldNode paramField = answer.addField(paramName, ACC_PRIVATE | ACC_SYNTHETIC, type, initialValue);
            paramField.setOriginType(ClassHelper.getWrapper(param.getOriginType()));
            paramField.setHolder(true);
            String methodName = Verifier.capitalize(paramName);
            // let's add a getter & setter
            Expression fieldExp = new FieldExpression(paramField);
            answer.addMethod("get" + methodName, ACC_PUBLIC, realType.getPlainNodeReference(), Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, new ReturnStatement(fieldExp));
        }
    }
    Parameter[] params = new Parameter[2 + localVariableParams.length];
    params[0] = new Parameter(ClassHelper.OBJECT_TYPE, "_outerInstance");
    params[1] = new Parameter(ClassHelper.OBJECT_TYPE, "_thisObject");
    System.arraycopy(localVariableParams, 0, params, 2, localVariableParams.length);
    ASTNode sn = answer.addConstructor(ACC_PUBLIC, params, ClassNode.EMPTY_ARRAY, block);
    sn.setSourcePosition(expression);
    correctAccessedVariable(answer, expression);
    return answer;
}

Example 30 with MethodCallExpression

use of org.codehaus.groovy.ast.expr.MethodCallExpression in project groovy-core by groovy.

the class Verifier method addDefaultParameterMethods.

/**
     * Creates a new helper method for each combination of default parameter expressions
     */
protected void addDefaultParameterMethods(final ClassNode node) {
    List methods = new ArrayList(node.getMethods());
    addDefaultParameters(methods, new DefaultArgsAction() {

        public void call(ArgumentListExpression arguments, Parameter[] newParams, MethodNode method) {
            final BlockStatement code = new BlockStatement();
            MethodNode newMethod = new MethodNode(method.getName(), method.getModifiers(), method.getReturnType(), newParams, method.getExceptions(), code);
            // GROOVY-5681 and GROOVY-5632
            for (Expression argument : arguments.getExpressions()) {
                if (argument instanceof CastExpression) {
                    argument = ((CastExpression) argument).getExpression();
                }
                if (argument instanceof ConstructorCallExpression) {
                    ClassNode type = argument.getType();
                    if (type instanceof InnerClassNode && ((InnerClassNode) type).isAnonymous()) {
                        type.setEnclosingMethod(newMethod);
                    }
                }
                // check whether closure shared variables refer to params with default values (GROOVY-5632)
                if (argument instanceof ClosureExpression) {
                    final List<Parameter> newMethodNodeParameters = Arrays.asList(newParams);
                    CodeVisitorSupport visitor = new CodeVisitorSupport() {

                        @Override
                        public void visitVariableExpression(VariableExpression expression) {
                            Variable v = expression.getAccessedVariable();
                            if (!(v instanceof Parameter))
                                return;
                            Parameter param = (Parameter) v;
                            if (param.hasInitialExpression() && code.getVariableScope().getDeclaredVariable(param.getName()) == null && !newMethodNodeParameters.contains(param)) {
                                VariableExpression localVariable = new VariableExpression(param.getName(), ClassHelper.makeReference());
                                DeclarationExpression declarationExpression = new DeclarationExpression(localVariable, Token.newSymbol(Types.EQUAL, -1, -1), new ConstructorCallExpression(ClassHelper.makeReference(), param.getInitialExpression()));
                                code.addStatement(new ExpressionStatement(declarationExpression));
                                code.getVariableScope().putDeclaredVariable(localVariable);
                            }
                        }
                    };
                    visitor.visitClosureExpression((ClosureExpression) argument);
                }
            }
            MethodCallExpression expression = new MethodCallExpression(VariableExpression.THIS_EXPRESSION, method.getName(), arguments);
            expression.setMethodTarget(method);
            expression.setImplicitThis(true);
            if (method.isVoidMethod()) {
                code.addStatement(new ExpressionStatement(expression));
            } else {
                code.addStatement(new ReturnStatement(expression));
            }
            List<AnnotationNode> annotations = method.getAnnotations();
            if (annotations != null) {
                newMethod.addAnnotations(annotations);
            }
            MethodNode oldMethod = node.getDeclaredMethod(method.getName(), newParams);
            if (oldMethod != null) {
                throw new RuntimeParserException("The method with default parameters \"" + method.getTypeDescriptor() + "\" defines a method \"" + newMethod.getTypeDescriptor() + "\" that is already defined.", method);
            }
            addPropertyMethod(newMethod);
            newMethod.setGenericsTypes(method.getGenericsTypes());
        }
    });
}