Examples with MethodDeclaration org.eclipse.jdt.core.dom.MethodDeclaration used on opensource projects

Example 66 with MethodDeclaration

use of org.eclipse.jdt.core.dom.MethodDeclaration in project xtext-xtend by eclipse.

the class JavaASTFlattener method visit.

@Override
public boolean visit(final MethodDeclaration it) {
    Javadoc _javadoc = it.getJavadoc();
    boolean _tripleNotEquals = (_javadoc != null);
    if (_tripleNotEquals) {
        it.getJavadoc().accept(this);
    }
    final Function1<ASTNode, StringBuffer> _function = (ASTNode node) -> {
        StringBuffer _xifexpression = null;
        if ((node instanceof MethodDeclaration)) {
            StringBuffer _xifexpression_1 = null;
            boolean _isConstructor = ((MethodDeclaration) node).isConstructor();
            boolean _not = (!_isConstructor);
            if (_not) {
                StringBuffer _xifexpression_2 = null;
                boolean _isOverrideMethod = this._aSTFlattenerUtils.isOverrideMethod(((MethodDeclaration) node));
                if (_isOverrideMethod) {
                    _xifexpression_2 = this.appendToBuffer("override ");
                } else {
                    _xifexpression_2 = this.appendToBuffer("def ");
                }
                _xifexpression_1 = _xifexpression_2;
            }
            _xifexpression = _xifexpression_1;
        }
        return _xifexpression;
    };
    final Function1<ASTNode, StringBuffer> afterAnnotationProcessingCallback = _function;
    this.appendModifiers(it, it.modifiers(), afterAnnotationProcessingCallback);
    boolean _isPackageVisibility = this._aSTFlattenerUtils.isPackageVisibility(Iterables.<Modifier>filter(it.modifiers(), Modifier.class));
    if (_isPackageVisibility) {
        ASTNode _parent = it.getParent();
        if ((_parent instanceof TypeDeclaration)) {
            ASTNode _parent_1 = it.getParent();
            boolean _isInterface = ((TypeDeclaration) _parent_1).isInterface();
            boolean _not = (!_isInterface);
            if (_not) {
                this.appendToBuffer("package ");
            }
        }
    }
    boolean _isConstructor = it.isConstructor();
    if (_isConstructor) {
        this.appendToBuffer(" new");
    }
    boolean _isEmpty = it.typeParameters().isEmpty();
    boolean _not_1 = (!_isEmpty);
    if (_not_1) {
        boolean _isConstructor_1 = it.isConstructor();
        if (_isConstructor_1) {
            this.addProblem(it, "Type parameters for constructors are not supported");
        }
        this.appendTypeParameters(it.typeParameters());
    }
    boolean _isConstructor_2 = it.isConstructor();
    boolean _not_2 = (!_isConstructor_2);
    if (_not_2) {
        Type _returnType2 = it.getReturnType2();
        boolean _tripleNotEquals_1 = (_returnType2 != null);
        if (_tripleNotEquals_1) {
            it.getReturnType2().accept(this);
        } else {
            this.appendToBuffer("void");
        }
        this.appendSpaceToBuffer();
        it.getName().accept(this);
    }
    this.appendToBuffer("(");
    final Consumer<SingleVariableDeclaration> _function_1 = (SingleVariableDeclaration p) -> {
        Boolean _isAssignedInBody = this._aSTFlattenerUtils.isAssignedInBody(it.getBody(), p.getName());
        if ((_isAssignedInBody).booleanValue()) {
            if ((it.isConstructor() && (!it.getBody().statements().isEmpty()))) {
                final Expression firstInBody = IterableExtensions.<Expression>head(this._aSTFlattenerUtils.findAssignmentsInBlock(it.getBody(), p));
                if ((firstInBody != null)) {
                    ConstructorInvocation _findParentOfType = this._aSTFlattenerUtils.<ConstructorInvocation>findParentOfType(firstInBody, ConstructorInvocation.class);
                    boolean _tripleNotEquals_2 = (_findParentOfType != null);
                    if (_tripleNotEquals_2) {
                        this.addProblem(p, "Final parameter modified in constructor call");
                    } else {
                        SuperConstructorInvocation _findParentOfType_1 = this._aSTFlattenerUtils.<SuperConstructorInvocation>findParentOfType(firstInBody, SuperConstructorInvocation.class);
                        boolean _tripleNotEquals_3 = (_findParentOfType_1 != null);
                        if (_tripleNotEquals_3) {
                            this.addProblem(p, "Final parameter modified in super constructor call");
                        }
                    }
                }
            }
            final VariableDeclarationFragment varFrag = p.getAST().newVariableDeclarationFragment();
            varFrag.setName(p.getAST().newSimpleName(p.getName().toString()));
            AST _aST = p.getAST();
            SimpleName _name = p.getName();
            String _plus = (_name + "_finalParam_");
            p.setName(_aST.newSimpleName(_plus));
            varFrag.setInitializer(p.getAST().newSimpleName(p.getName().toString()));
            final VariableDeclarationStatement varDecl = p.getAST().newVariableDeclarationStatement(varFrag);
            ASTNode _createInstance = p.getAST().createInstance(SimpleType.class);
            final Type typeCopy = ((Type) _createInstance);
            varDecl.setType(typeCopy);
            it.getBody().statements().add(0, varDecl);
        }
    };
    ListExtensions.<SingleVariableDeclaration>reverseView(it.parameters()).forEach(_function_1);
    this.visitAllSeparatedByComma(it.parameters());
    this.appendToBuffer(")");
    this.appendExtraDimensions(it.getExtraDimensions());
    List<? extends ASTNode> throwsTypes = CollectionLiterals.<ASTNode>newArrayList();
    boolean _java8orHigher = this.java8orHigher();
    boolean _not_3 = (!_java8orHigher);
    if (_not_3) {
        throwsTypes = it.thrownExceptions();
    } else {
        throwsTypes = this._aSTFlattenerUtils.genericChildListProperty(it, "thrownExceptionTypes");
    }
    boolean _isEmpty_1 = throwsTypes.isEmpty();
    boolean _not_4 = (!_isEmpty_1);
    if (_not_4) {
        this.appendToBuffer(" throws ");
        this.visitAllSeparatedByComma(throwsTypes);
    }
    this.appendSpaceToBuffer();
    Block _body = it.getBody();
    boolean _tripleNotEquals_2 = (_body != null);
    if (_tripleNotEquals_2) {
        it.getBody().accept(this);
    } else {
        this.appendLineWrapToBuffer();
    }
    return false;
}

Example 67 with MethodDeclaration

use of org.eclipse.jdt.core.dom.MethodDeclaration in project AutoRefactor by JnRouvignac.

the class BooleanRefactoring method withThenReturnStmt.

private boolean withThenReturnStmt(IfStatement node, ReturnStatement thenRs, ReturnStatement elseRs) {
    ReturnStatement newRs = getReturnStatement(node, thenRs.getExpression(), elseRs.getExpression());
    if (newRs != null) {
        ctx.getRefactorings().replace(node, newRs);
        ctx.getRefactorings().remove(elseRs);
        return DO_NOT_VISIT_SUBTREE;
    }
    final MethodDeclaration md = getAncestor(node, MethodDeclaration.class);
    final Type returnType = md.getReturnType2();
    if (returnType != null && returnType.isPrimitiveType()) {
        final PrimitiveType pt = (PrimitiveType) returnType;
        if (PrimitiveType.BOOLEAN.equals(pt.getPrimitiveTypeCode())) {
            final Boolean thenBool = getBooleanLiteral(thenRs.getExpression());
            final Boolean elseBool = getBooleanLiteral(elseRs.getExpression());
            newRs = getReturnStatement(node, thenBool, elseBool, thenRs.getExpression(), elseRs.getExpression());
            if (newRs != null) {
                ctx.getRefactorings().replace(node, newRs);
                ctx.getRefactorings().remove(elseRs);
                return DO_NOT_VISIT_SUBTREE;
            }
        }
    }
    return VISIT_SUBTREE;
}

Example 68 with MethodDeclaration

use of org.eclipse.jdt.core.dom.MethodDeclaration in project AutoRefactor by JnRouvignac.

the class ASTBuilder method method.

/**
 * Builds a new {@link MethodDeclaration} node.
 *
 * @param modifiers list of modifiers of the method
 * @param methodName the method name
 * @param parameters list of parameters
 * @param block the block of the method
 * @return a new method declaration
 */
public MethodDeclaration method(List<IExtendedModifier> modifiers, String methodName, List<SingleVariableDeclaration> parameters, Block block) {
    final MethodDeclaration md = ast.newMethodDeclaration();
    modifiers(md).addAll(modifiers);
    md.setName(simpleName(methodName));
    md.parameters().addAll(parameters);
    md.setBody(block);
    return md;
}

Example 69 with MethodDeclaration

use of org.eclipse.jdt.core.dom.MethodDeclaration in project eclipse-pmd by acanda.

the class UseUtilityClassQuickFix method addPrivateConstructor.

@SuppressWarnings("unchecked")
private void addPrivateConstructor(final TypeDeclaration typeDeclaration, final ASTRewrite rewrite) {
    final AST ast = typeDeclaration.getAST();
    final MethodDeclaration constructor = (MethodDeclaration) ast.createInstance(MethodDeclaration.class);
    constructor.setConstructor(true);
    final Modifier modifier = (Modifier) ast.createInstance(Modifier.class);
    modifier.setKeyword(ModifierKeyword.PRIVATE_KEYWORD);
    constructor.modifiers().add(modifier);
    constructor.setName(ASTUtil.copy(typeDeclaration.getName()));
    final Block body = (Block) ast.createInstance(Block.class);
    constructor.setBody(body);
    final ListRewrite statementRewrite = rewrite.getListRewrite(body, Block.STATEMENTS_PROPERTY);
    final ASTNode comment = rewrite.createStringPlaceholder("// hide constructor of utility class", ASTNode.EMPTY_STATEMENT);
    statementRewrite.insertFirst(comment, null);
    final int position = findConstructorPosition(typeDeclaration);
    final ListRewrite bodyDeclarationRewrite = rewrite.getListRewrite(typeDeclaration, TypeDeclaration.BODY_DECLARATIONS_PROPERTY);
    bodyDeclarationRewrite.insertAt(constructor, position, null);
}

Example 70 with MethodDeclaration

use of org.eclipse.jdt.core.dom.MethodDeclaration in project flux by eclipse.

the class ASTResolving method getPossibleReferenceBinding.

private static ITypeBinding getPossibleReferenceBinding(ASTNode node) {
    ASTNode parent = node.getParent();
    switch(parent.getNodeType()) {
        case ASTNode.ASSIGNMENT:
            Assignment assignment = (Assignment) parent;
            if (node.equals(assignment.getLeftHandSide())) {
                // field write access: xx= expression
                return assignment.getRightHandSide().resolveTypeBinding();
            }
            // read access
            return assignment.getLeftHandSide().resolveTypeBinding();
        case ASTNode.INFIX_EXPRESSION:
            InfixExpression infix = (InfixExpression) parent;
            InfixExpression.Operator op = infix.getOperator();
            if (op == InfixExpression.Operator.CONDITIONAL_AND || op == InfixExpression.Operator.CONDITIONAL_OR) {
                //$NON-NLS-1$
                return infix.getAST().resolveWellKnownType("boolean");
            } else if (op == InfixExpression.Operator.LEFT_SHIFT || op == InfixExpression.Operator.RIGHT_SHIFT_UNSIGNED || op == InfixExpression.Operator.RIGHT_SHIFT_SIGNED) {
                //$NON-NLS-1$
                return infix.getAST().resolveWellKnownType("int");
            }
            if (node.equals(infix.getLeftOperand())) {
                //	xx operation expression
                ITypeBinding rigthHandBinding = infix.getRightOperand().resolveTypeBinding();
                if (rigthHandBinding != null) {
                    return rigthHandBinding;
                }
            } else {
                // expression operation xx
                ITypeBinding leftHandBinding = infix.getLeftOperand().resolveTypeBinding();
                if (leftHandBinding != null) {
                    return leftHandBinding;
                }
            }
            if (op != InfixExpression.Operator.EQUALS && op != InfixExpression.Operator.NOT_EQUALS) {
                //$NON-NLS-1$
                return infix.getAST().resolveWellKnownType("int");
            }
            break;
        case ASTNode.INSTANCEOF_EXPRESSION:
            InstanceofExpression instanceofExpression = (InstanceofExpression) parent;
            return instanceofExpression.getRightOperand().resolveBinding();
        case ASTNode.VARIABLE_DECLARATION_FRAGMENT:
            VariableDeclarationFragment frag = (VariableDeclarationFragment) parent;
            if (frag.getInitializer().equals(node)) {
                return frag.getName().resolveTypeBinding();
            }
            break;
        case ASTNode.SUPER_METHOD_INVOCATION:
            SuperMethodInvocation superMethodInvocation = (SuperMethodInvocation) parent;
            IMethodBinding superMethodBinding = ASTNodes.getMethodBinding(superMethodInvocation.getName());
            if (superMethodBinding != null) {
                return getParameterTypeBinding(node, superMethodInvocation.arguments(), superMethodBinding);
            }
            break;
        case ASTNode.METHOD_INVOCATION:
            MethodInvocation methodInvocation = (MethodInvocation) parent;
            IMethodBinding methodBinding = methodInvocation.resolveMethodBinding();
            if (methodBinding != null) {
                return getParameterTypeBinding(node, methodInvocation.arguments(), methodBinding);
            }
            break;
        case ASTNode.SUPER_CONSTRUCTOR_INVOCATION:
            {
                SuperConstructorInvocation superInvocation = (SuperConstructorInvocation) parent;
                IMethodBinding superBinding = superInvocation.resolveConstructorBinding();
                if (superBinding != null) {
                    return getParameterTypeBinding(node, superInvocation.arguments(), superBinding);
                }
                break;
            }
        case ASTNode.CONSTRUCTOR_INVOCATION:
            {
                ConstructorInvocation constrInvocation = (ConstructorInvocation) parent;
                IMethodBinding constrBinding = constrInvocation.resolveConstructorBinding();
                if (constrBinding != null) {
                    return getParameterTypeBinding(node, constrInvocation.arguments(), constrBinding);
                }
                break;
            }
        case ASTNode.CLASS_INSTANCE_CREATION:
            {
                ClassInstanceCreation creation = (ClassInstanceCreation) parent;
                IMethodBinding creationBinding = creation.resolveConstructorBinding();
                if (creationBinding != null) {
                    return getParameterTypeBinding(node, creation.arguments(), creationBinding);
                }
                break;
            }
        case ASTNode.PARENTHESIZED_EXPRESSION:
            return guessBindingForReference(parent);
        case ASTNode.ARRAY_ACCESS:
            if (((ArrayAccess) parent).getIndex().equals(node)) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("int");
            } else {
                ITypeBinding parentBinding = getPossibleReferenceBinding(parent);
                if (parentBinding == null) {
                    //$NON-NLS-1$
                    parentBinding = parent.getAST().resolveWellKnownType("java.lang.Object");
                }
                return parentBinding.createArrayType(1);
            }
        case ASTNode.ARRAY_CREATION:
            if (((ArrayCreation) parent).dimensions().contains(node)) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("int");
            }
            break;
        case ASTNode.ARRAY_INITIALIZER:
            ASTNode initializerParent = parent.getParent();
            int dim = 1;
            while (initializerParent instanceof ArrayInitializer) {
                initializerParent = initializerParent.getParent();
                dim++;
            }
            Type creationType = null;
            if (initializerParent instanceof ArrayCreation) {
                creationType = ((ArrayCreation) initializerParent).getType();
            } else if (initializerParent instanceof VariableDeclaration) {
                VariableDeclaration varDecl = (VariableDeclaration) initializerParent;
                creationType = ASTNodes.getType(varDecl);
                dim -= varDecl.getExtraDimensions();
            } else if (initializerParent instanceof MemberValuePair) {
                String name = ((MemberValuePair) initializerParent).getName().getIdentifier();
                IMethodBinding annotMember = findAnnotationMember((Annotation) initializerParent.getParent(), name);
                if (annotMember != null) {
                    return getReducedDimensionBinding(annotMember.getReturnType(), dim);
                }
            }
            if (creationType instanceof ArrayType) {
                ITypeBinding creationTypeBinding = ((ArrayType) creationType).resolveBinding();
                if (creationTypeBinding != null) {
                    return Bindings.getComponentType(creationTypeBinding, dim);
                }
            }
            break;
        case ASTNode.CONDITIONAL_EXPRESSION:
            ConditionalExpression expression = (ConditionalExpression) parent;
            if (node.equals(expression.getExpression())) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            if (node.equals(expression.getElseExpression())) {
                return expression.getThenExpression().resolveTypeBinding();
            }
            return expression.getElseExpression().resolveTypeBinding();
        case ASTNode.POSTFIX_EXPRESSION:
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("int");
        case ASTNode.PREFIX_EXPRESSION:
            if (((PrefixExpression) parent).getOperator() == PrefixExpression.Operator.NOT) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("int");
        case ASTNode.IF_STATEMENT:
        case ASTNode.WHILE_STATEMENT:
        case ASTNode.DO_STATEMENT:
            if (node instanceof Expression) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            break;
        case ASTNode.SWITCH_STATEMENT:
            if (((SwitchStatement) parent).getExpression().equals(node)) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("int");
            }
            break;
        case ASTNode.RETURN_STATEMENT:
            MethodDeclaration decl = ASTResolving.findParentMethodDeclaration(parent);
            if (decl != null && !decl.isConstructor()) {
                return decl.getReturnType2().resolveBinding();
            }
            LambdaExpression lambdaExpr = ASTResolving.findEnclosingLambdaExpression(parent);
            if (lambdaExpr != null) {
                IMethodBinding lambdaMethodBinding = lambdaExpr.resolveMethodBinding();
                if (lambdaMethodBinding != null && lambdaMethodBinding.getReturnType() != null) {
                    return lambdaMethodBinding.getReturnType();
                }
            }
            break;
        case ASTNode.CAST_EXPRESSION:
            return ((CastExpression) parent).getType().resolveBinding();
        case ASTNode.THROW_STATEMENT:
        case ASTNode.CATCH_CLAUSE:
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("java.lang.Exception");
        case ASTNode.FIELD_ACCESS:
            if (node.equals(((FieldAccess) parent).getName())) {
                return getPossibleReferenceBinding(parent);
            }
            break;
        case ASTNode.SUPER_FIELD_ACCESS:
            return getPossibleReferenceBinding(parent);
        case ASTNode.QUALIFIED_NAME:
            if (node.equals(((QualifiedName) parent).getName())) {
                return getPossibleReferenceBinding(parent);
            }
            break;
        case ASTNode.SWITCH_CASE:
            if (node.equals(((SwitchCase) parent).getExpression()) && parent.getParent() instanceof SwitchStatement) {
                return ((SwitchStatement) parent.getParent()).getExpression().resolveTypeBinding();
            }
            break;
        case ASTNode.ASSERT_STATEMENT:
            if (node.getLocationInParent() == AssertStatement.EXPRESSION_PROPERTY) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("java.lang.String");
        case ASTNode.SINGLE_MEMBER_ANNOTATION:
            {
                //$NON-NLS-1$
                IMethodBinding annotMember = findAnnotationMember((Annotation) parent, "value");
                if (annotMember != null) {
                    return annotMember.getReturnType();
                }
                break;
            }
        case ASTNode.MEMBER_VALUE_PAIR:
            {
                String name = ((MemberValuePair) parent).getName().getIdentifier();
                IMethodBinding annotMember = findAnnotationMember((Annotation) parent.getParent(), name);
                if (annotMember != null) {
                    return annotMember.getReturnType();
                }
                break;
            }
        default:
    }
    return null;
}