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

Example 1 with VariableDeclaration

use of org.eclipse.jdt.core.dom.VariableDeclaration in project che by eclipse.

the class RenameAnalyzeUtil method analyzeLocalRenames.

/**
	 * This method analyzes a set of local variable renames inside one cu. It checks whether
	 * any new compile errors have been introduced by the rename(s) and whether the correct
	 * node(s) has/have been renamed.
	 *
	 * @param analyzePackages the LocalAnalyzePackages containing the information about the local renames
	 * @param cuChange the TextChange containing all local variable changes to be applied.
	 * @param oldCUNode the fully (incl. bindings) resolved AST node of the original compilation unit
	 * @param recovery whether statements and bindings recovery should be performed when parsing the changed CU
	 * @return a RefactoringStatus containing errors if compile errors or wrongly renamed nodes are found
	 * @throws CoreException thrown if there was an error greating the preview content of the change
	 */
public static RefactoringStatus analyzeLocalRenames(LocalAnalyzePackage[] analyzePackages, TextChange cuChange, CompilationUnit oldCUNode, boolean recovery) throws CoreException {
    RefactoringStatus result = new RefactoringStatus();
    ICompilationUnit compilationUnit = (ICompilationUnit) oldCUNode.getJavaElement();
    String newCuSource = cuChange.getPreviewContent(new NullProgressMonitor());
    CompilationUnit newCUNode = new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(newCuSource, compilationUnit, true, recovery, null);
    result.merge(analyzeCompileErrors(newCuSource, newCUNode, oldCUNode));
    if (result.hasError())
        return result;
    for (int i = 0; i < analyzePackages.length; i++) {
        ASTNode enclosing = getEnclosingBlockOrMethodOrLambda(analyzePackages[i].fDeclarationEdit, cuChange, newCUNode);
        // get new declaration
        IRegion newRegion = RefactoringAnalyzeUtil.getNewTextRange(analyzePackages[i].fDeclarationEdit, cuChange);
        ASTNode newDeclaration = NodeFinder.perform(newCUNode, newRegion.getOffset(), newRegion.getLength());
        Assert.isTrue(newDeclaration instanceof Name);
        VariableDeclaration declaration = getVariableDeclaration((Name) newDeclaration);
        Assert.isNotNull(declaration);
        SimpleName[] problemNodes = ProblemNodeFinder.getProblemNodes(enclosing, declaration, analyzePackages[i].fOccurenceEdits, cuChange);
        result.merge(RefactoringAnalyzeUtil.reportProblemNodes(newCuSource, problemNodes));
    }
    return result;
}

Example 2 with VariableDeclaration

use of org.eclipse.jdt.core.dom.VariableDeclaration in project che by eclipse.

the class NullAnnotationsFix method isComplainingAboutArgument.

/* recognizes any simple name referring to a parameter binding */
public static boolean isComplainingAboutArgument(ASTNode selectedNode) {
    if (!(selectedNode instanceof SimpleName))
        return false;
    SimpleName nameNode = (SimpleName) selectedNode;
    IBinding binding = nameNode.resolveBinding();
    if (binding.getKind() == IBinding.VARIABLE && ((IVariableBinding) binding).isParameter())
        return true;
    VariableDeclaration argDecl = (VariableDeclaration) ASTNodes.getParent(selectedNode, VariableDeclaration.class);
    if (argDecl != null)
        binding = argDecl.resolveBinding();
    if (binding.getKind() == IBinding.VARIABLE && ((IVariableBinding) binding).isParameter())
        return true;
    return false;
}

Example 3 with VariableDeclaration

use of org.eclipse.jdt.core.dom.VariableDeclaration in project che by eclipse.

the class InlineTempRefactoring method checkInitialConditions.

/*
	 * @see Refactoring#checkActivation(IProgressMonitor)
	 */
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
    try {
        //$NON-NLS-1$
        pm.beginTask("", 1);
        RefactoringStatus result = Checks.validateModifiesFiles(ResourceUtil.getFiles(new ICompilationUnit[] { fCu }), getValidationContext());
        if (result.hasFatalError())
            return result;
        VariableDeclaration declaration = getVariableDeclaration();
        result.merge(checkSelection(declaration));
        if (result.hasFatalError())
            return result;
        result.merge(checkInitializer(declaration));
        return result;
    } finally {
        pm.done();
    }
}

Example 4 with VariableDeclaration

use of org.eclipse.jdt.core.dom.VariableDeclaration in project che by eclipse.

the class InlineTempRefactoring method getModifiedInitializerSource.

private Expression getModifiedInitializerSource(CompilationUnitRewrite rewrite, SimpleName reference) throws JavaModelException {
    VariableDeclaration varDecl = getVariableDeclaration();
    Expression initializer = varDecl.getInitializer();
    ASTNode referenceContext = reference.getParent();
    if (Invocations.isResolvedTypeInferredFromExpectedType(initializer)) {
        if (!(referenceContext instanceof VariableDeclarationFragment || referenceContext instanceof SingleVariableDeclaration || referenceContext instanceof Assignment)) {
            ITypeBinding[] typeArguments = Invocations.getInferredTypeArguments(initializer);
            if (typeArguments != null) {
                String newSource = createParameterizedInvocation(initializer, typeArguments, rewrite);
                return (Expression) rewrite.getASTRewrite().createStringPlaceholder(newSource, initializer.getNodeType());
            }
        }
    }
    Expression copy = (Expression) rewrite.getASTRewrite().createCopyTarget(initializer);
    AST ast = rewrite.getAST();
    if (NecessaryParenthesesChecker.needsParentheses(initializer, reference.getParent(), reference.getLocationInParent())) {
        ParenthesizedExpression parenthesized = ast.newParenthesizedExpression();
        parenthesized.setExpression(copy);
        copy = parenthesized;
    }
    ITypeBinding explicitCast = ASTNodes.getExplicitCast(initializer, reference);
    if (explicitCast != null) {
        CastExpression cast = ast.newCastExpression();
        if (NecessaryParenthesesChecker.needsParentheses(copy, cast, CastExpression.EXPRESSION_PROPERTY)) {
            ParenthesizedExpression parenthesized = ast.newParenthesizedExpression();
            parenthesized.setExpression(copy);
            copy = parenthesized;
        }
        cast.setExpression(copy);
        ImportRewriteContext context = new ContextSensitiveImportRewriteContext(reference, rewrite.getImportRewrite());
        cast.setType(rewrite.getImportRewrite().addImport(explicitCast, ast, context));
        copy = cast;
    } else if (initializer instanceof ArrayInitializer && ASTNodes.getDimensions(varDecl) > 0) {
        ArrayType newType = (ArrayType) ASTNodeFactory.newType(ast, varDecl);
        ArrayCreation newArrayCreation = ast.newArrayCreation();
        newArrayCreation.setType(newType);
        newArrayCreation.setInitializer((ArrayInitializer) copy);
        return newArrayCreation;
    }
    return copy;
}

Example 5 with VariableDeclaration

use of org.eclipse.jdt.core.dom.VariableDeclaration in project che by eclipse.

the class IntroduceFactoryRefactoring method getCtorCallAt.

/**
	 * Look "in the vicinity" of the given range to find the <code>ClassInstanceCreation</code>
	 * node that this search hit identified. Necessary because the <code>SearchEngine</code>
	 * doesn't always cough up text extents that <code>NodeFinder.perform()</code> agrees with.
	 * @param start
	 * @param length
	 * @param unitAST
	 * @return return a {@link ClassInstanceCreation} or a {@link MethodRef} or <code>null</code> if this is really a constructor->constructor call (e.g. "this(...)")
	 * @throws CoreException
	 */
private ASTNode getCtorCallAt(int start, int length, CompilationUnit unitAST) throws CoreException {
    ICompilationUnit unitHandle = ASTCreator.getCu(unitAST);
    ASTNode node = NodeFinder.perform(unitAST, start, length);
    if (node == null)
        throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_noASTNodeForConstructorSearchHit, new Object[] { Integer.toString(start), Integer.toString(start + length), BasicElementLabels.getJavaCodeString(unitHandle.getSource().substring(start, start + length)), BasicElementLabels.getFileName(unitHandle) }), null));
    if (node instanceof ClassInstanceCreation) {
        if (((ClassInstanceCreation) node).getAnonymousClassDeclaration() != null) {
            // Cannot replace anonymous inner class, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=250660
            fConstructorVisibility = Modifier.PROTECTED;
            return null;
        }
        return node;
    } else if (node instanceof VariableDeclaration) {
        Expression init = ((VariableDeclaration) node).getInitializer();
        if (init instanceof ClassInstanceCreation) {
            return init;
        } else if (init != null)
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_unexpectedInitializerNodeType, new Object[] { BasicElementLabels.getJavaCodeString(init.toString()), BasicElementLabels.getFileName(unitHandle) }), null));
        else
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_noConstructorCallNodeInsideFoundVarbleDecl, BasicElementLabels.getJavaCodeString(node.toString())), null));
    } else if (node instanceof ConstructorInvocation) {
        // to another flavor on the same class.
        return null;
    } else if (node instanceof SuperConstructorInvocation) {
        // This is a call we can bypass; it's from one constructor flavor
        // to another flavor on the same class.
        fConstructorVisibility = Modifier.PROTECTED;
        return null;
    } else if (node instanceof ExpressionStatement) {
        Expression expr = ((ExpressionStatement) node).getExpression();
        if (expr instanceof ClassInstanceCreation)
            return expr;
        else
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_unexpectedASTNodeTypeForConstructorSearchHit, new Object[] { BasicElementLabels.getJavaCodeString(expr.toString()), BasicElementLabels.getFileName(unitHandle) }), null));
    } else if (node instanceof SimpleName && (node.getParent() instanceof MethodDeclaration || node.getParent() instanceof AbstractTypeDeclaration)) {
        // We seem to have been given a hit for an implicit call to the base-class constructor.
        // Do nothing with this (implicit) call, but have to make sure we make the derived class
        // doesn't lose access to the base-class constructor (so make it 'protected', not 'private').
        fConstructorVisibility = Modifier.PROTECTED;
        return null;
    } else if (node instanceof MethodRef) {
        return node;
    } else
        throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_unexpectedASTNodeTypeForConstructorSearchHit, new Object[] { BasicElementLabels.getJavaElementName(node.getClass().getName() + "('" + node.toString() + "')"), BasicElementLabels.getFileName(unitHandle) }), //$NON-NLS-1$ //$NON-NLS-2$
        null));
}