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

Example 21 with Type

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

the class NewMethodCorrectionProposal method addNewParameters.

/* (non-Javadoc)
	 * @see org.eclipse.jdt.internal.ui.text.correction.proposals.AbstractMethodCorrectionProposal#addNewParameters(org.eclipse.jdt.core.dom.rewrite.ASTRewrite, java.util.List, java.util.List)
	 */
@Override
protected void addNewParameters(ASTRewrite rewrite, List<String> takenNames, List<SingleVariableDeclaration> params) throws CoreException {
    AST ast = rewrite.getAST();
    List<Expression> arguments = fArguments;
    ImportRewriteContext context = new ContextSensitiveImportRewriteContext(ASTResolving.findParentBodyDeclaration(getInvocationNode()), getImportRewrite());
    for (int i = 0; i < arguments.size(); i++) {
        Expression elem = arguments.get(i);
        SingleVariableDeclaration param = ast.newSingleVariableDeclaration();
        // argument type
        //$NON-NLS-1$
        String argTypeKey = "arg_type_" + i;
        Type type = evaluateParameterType(ast, elem, argTypeKey, context);
        param.setType(type);
        // argument name
        //$NON-NLS-1$
        String argNameKey = "arg_name_" + i;
        String name = evaluateParameterName(takenNames, elem, type, argNameKey);
        param.setName(ast.newSimpleName(name));
        params.add(param);
        addLinkedPosition(rewrite.track(param.getType()), false, argTypeKey);
        addLinkedPosition(rewrite.track(param.getName()), false, argNameKey);
    }
}

Example 22 with Type

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

the class NewVariableCorrectionProposal method doAddLocal.

private ASTRewrite doAddLocal(CompilationUnit cu) {
    AST ast = cu.getAST();
    Block body;
    BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(fOriginalNode);
    IBinding targetContext = null;
    if (decl instanceof MethodDeclaration) {
        body = (((MethodDeclaration) decl).getBody());
        targetContext = ((MethodDeclaration) decl).resolveBinding();
    } else if (decl instanceof Initializer) {
        body = (((Initializer) decl).getBody());
        targetContext = Bindings.getBindingOfParentType(decl);
    } else {
        return null;
    }
    ASTRewrite rewrite = ASTRewrite.create(ast);
    ImportRewrite imports = createImportRewrite((CompilationUnit) decl.getRoot());
    SimpleName[] names = getAllReferences(body);
    ASTNode dominant = getDominantNode(names);
    Statement dominantStatement = ASTResolving.findParentStatement(dominant);
    if (ASTNodes.isControlStatementBody(dominantStatement.getLocationInParent())) {
        dominantStatement = (Statement) dominantStatement.getParent();
    }
    SimpleName node = names[0];
    ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(node, imports);
    if (isAssigned(dominantStatement, node)) {
        // x = 1; -> int x = 1;
        Assignment assignment = (Assignment) node.getParent();
        // trick to avoid comment removal around the statement: keep the expression statement
        // and replace the assignment with an VariableDeclarationExpression
        VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
        VariableDeclarationExpression newDecl = ast.newVariableDeclarationExpression(newDeclFrag);
        newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
        Expression placeholder = (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
        newDeclFrag.setInitializer(placeholder);
        newDeclFrag.setName(ast.newSimpleName(node.getIdentifier()));
        rewrite.replace(assignment, newDecl, null);
        addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
        addLinkedPosition(rewrite.track(newDeclFrag.getName()), true, KEY_NAME);
        setEndPosition(rewrite.track(assignment.getParent()));
        return rewrite;
    } else if ((dominant != dominantStatement) && isForStatementInit(dominantStatement, node)) {
        //	for (x = 1;;) ->for (int x = 1;;)
        Assignment assignment = (Assignment) node.getParent();
        VariableDeclarationFragment frag = ast.newVariableDeclarationFragment();
        VariableDeclarationExpression expression = ast.newVariableDeclarationExpression(frag);
        frag.setName(ast.newSimpleName(node.getIdentifier()));
        Expression placeholder = (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
        frag.setInitializer(placeholder);
        expression.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
        rewrite.replace(assignment, expression, null);
        addLinkedPosition(rewrite.track(expression.getType()), false, KEY_TYPE);
        addLinkedPosition(rewrite.track(frag.getName()), true, KEY_NAME);
        setEndPosition(rewrite.track(expression));
        return rewrite;
    } else if ((dominant != dominantStatement) && isEnhancedForStatementVariable(dominantStatement, node)) {
        //	for (x: collectionOfT) -> for (T x: collectionOfT)
        EnhancedForStatement enhancedForStatement = (EnhancedForStatement) dominantStatement;
        SingleVariableDeclaration parameter = enhancedForStatement.getParameter();
        Expression expression = enhancedForStatement.getExpression();
        SimpleName newName = (SimpleName) rewrite.createMoveTarget(node);
        rewrite.set(parameter, SingleVariableDeclaration.NAME_PROPERTY, newName, null);
        ITypeBinding elementBinding = null;
        ITypeBinding typeBinding = expression.resolveTypeBinding();
        if (typeBinding != null) {
            if (typeBinding.isArray()) {
                elementBinding = typeBinding.getElementType();
            } else {
                //$NON-NLS-1$
                ITypeBinding iterable = Bindings.findTypeInHierarchy(typeBinding, "java.lang.Iterable");
                if (iterable != null) {
                    ITypeBinding[] typeArguments = iterable.getTypeArguments();
                    if (typeArguments.length == 1) {
                        elementBinding = typeArguments[0];
                        elementBinding = Bindings.normalizeForDeclarationUse(elementBinding, ast);
                    }
                }
            }
        }
        Type type;
        if (elementBinding != null) {
            type = imports.addImport(elementBinding, ast, importRewriteContext);
        } else {
            //$NON-NLS-1$
            type = ast.newSimpleType(ast.newSimpleName("Object"));
        }
        rewrite.set(parameter, SingleVariableDeclaration.TYPE_PROPERTY, type, null);
        addLinkedPosition(rewrite.track(type), false, KEY_TYPE);
        addLinkedPosition(rewrite.track(newName), true, KEY_NAME);
        setEndPosition(rewrite.track(expression));
        return rewrite;
    }
    //	foo(x) -> int x; foo(x)
    VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
    VariableDeclarationStatement newDecl = ast.newVariableDeclarationStatement(newDeclFrag);
    newDeclFrag.setName(ast.newSimpleName(node.getIdentifier()));
    newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
    //		newDeclFrag.setInitializer(ASTNodeFactory.newDefaultExpression(ast, newDecl.getType(), 0));
    addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
    addLinkedPosition(rewrite.track(node), true, KEY_NAME);
    addLinkedPosition(rewrite.track(newDeclFrag.getName()), false, KEY_NAME);
    Statement statement = dominantStatement;
    List<? extends ASTNode> list = ASTNodes.getContainingList(statement);
    while (list == null && statement.getParent() instanceof Statement) {
        // parent must be if, for or while
        statement = (Statement) statement.getParent();
        list = ASTNodes.getContainingList(statement);
    }
    if (list != null) {
        ASTNode parent = statement.getParent();
        StructuralPropertyDescriptor childProperty = statement.getLocationInParent();
        if (childProperty.isChildListProperty()) {
            rewrite.getListRewrite(parent, (ChildListPropertyDescriptor) childProperty).insertBefore(newDecl, statement, null);
            return rewrite;
        } else {
            return null;
        }
    }
    return rewrite;
}

Example 23 with Type

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

the class ChangeMethodSignatureProposal method modifyExceptions.

private void modifyExceptions(ASTRewrite rewrite, MethodDeclaration methodDecl) {
    AST ast = methodDecl.getAST();
    ImportRewrite imports = getImportRewrite();
    ImportRewriteContext context = new ContextSensitiveImportRewriteContext(methodDecl, imports);
    ListRewrite listRewrite = rewrite.getListRewrite(methodDecl, MethodDeclaration.THROWN_EXCEPTION_TYPES_PROPERTY);
    // old exceptions
    List<Type> exceptions = methodDecl.thrownExceptionTypes();
    // index over the old exceptions
    int k = 0;
    for (int i = 0; i < fExceptionChanges.length; i++) {
        ChangeDescription curr = fExceptionChanges[i];
        if (curr == null) {
            k++;
        } else if (curr instanceof InsertDescription) {
            InsertDescription desc = (InsertDescription) curr;
            String type = imports.addImport(desc.type, context);
            ASTNode newNode = imports.addImport(desc.type, ast, context);
            listRewrite.insertAt(newNode, i, null);
            String key = getExceptionTypeGroupId(i);
            addLinkedPosition(rewrite.track(newNode), false, key);
            Javadoc javadoc = methodDecl.getJavadoc();
            if (javadoc != null && JavadocTagsSubProcessor.findThrowsTag(javadoc, type) == null) {
                TagElement newTagElement = ast.newTagElement();
                newTagElement.setTagName(TagElement.TAG_THROWS);
                ASTNode newRef = ASTNodeFactory.newName(ast, type);
                newTagElement.fragments().add(newRef);
                //$NON-NLS-1$
                insertTabStop(rewrite, newTagElement.fragments(), "throws_tagcomment" + i);
                insertThrowsTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), exceptions, k, newTagElement);
                addLinkedPosition(rewrite.track(newRef), false, key);
            }
        } else if (curr instanceof RemoveDescription) {
            Type node = exceptions.get(k);
            listRewrite.remove(node, null);
            k++;
            TagElement tagNode = findThrowsTag(methodDecl, node);
            if (tagNode != null) {
                rewrite.remove(tagNode, null);
            }
        } else if (curr instanceof EditDescription) {
            EditDescription desc = (EditDescription) curr;
            Type oldNode = exceptions.get(k);
            String type = imports.addImport(desc.type, context);
            ASTNode newNode = imports.addImport(desc.type, ast, context);
            listRewrite.replace(oldNode, newNode, null);
            String key = getExceptionTypeGroupId(i);
            addLinkedPosition(rewrite.track(newNode), false, key);
            k++;
            TagElement tagNode = findThrowsTag(methodDecl, oldNode);
            if (tagNode != null) {
                ASTNode newRef = ASTNodeFactory.newType(ast, type);
                rewrite.replace((ASTNode) tagNode.fragments().get(0), newRef, null);
                addLinkedPosition(rewrite.track(newRef), false, key);
            }
        } else if (curr instanceof SwapDescription) {
            Type decl1 = exceptions.get(k);
            Type decl2 = exceptions.get(((SwapDescription) curr).index);
            rewrite.replace(decl1, rewrite.createCopyTarget(decl2), null);
            rewrite.replace(decl2, rewrite.createCopyTarget(decl1), null);
            k++;
            TagElement tagNode1 = findThrowsTag(methodDecl, decl1);
            TagElement tagNode2 = findThrowsTag(methodDecl, decl2);
            if (tagNode1 != null && tagNode2 != null) {
                rewrite.replace(tagNode1, rewrite.createCopyTarget(tagNode2), null);
                rewrite.replace(tagNode2, rewrite.createCopyTarget(tagNode1), null);
            }
        }
    }
}

Example 24 with Type

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

the class ChangeMethodSignatureProposal method insertThrowsTag.

private TagElement insertThrowsTag(ListRewrite tagRewriter, List<Type> exceptions, int currentIndex, TagElement newTagElement) {
    HashSet<String> previousNames = new HashSet<String>();
    for (int n = 0; n < currentIndex; n++) {
        Type curr = exceptions.get(n);
        previousNames.add(ASTNodes.getTypeName(curr));
    }
    JavadocTagsSubProcessor.insertTag(tagRewriter, newTagElement, previousNames);
    return newTagElement;
}

Example 25 with Type

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

the class ConstructorFromSuperclassProposal method createNewMethodDeclaration.

private MethodDeclaration createNewMethodDeclaration(AST ast, IMethodBinding binding, ASTRewrite rewrite, ImportRewriteContext importRewriteContext, CodeGenerationSettings commentSettings) throws CoreException {
    String name = fTypeNode.getName().getIdentifier();
    MethodDeclaration decl = ast.newMethodDeclaration();
    decl.setConstructor(true);
    decl.setName(ast.newSimpleName(name));
    Block body = ast.newBlock();
    decl.setBody(body);
    SuperConstructorInvocation invocation = null;
    List<SingleVariableDeclaration> parameters = decl.parameters();
    String[] paramNames = getArgumentNames(binding);
    ITypeBinding enclosingInstance = getEnclosingInstance();
    if (enclosingInstance != null) {
        invocation = addEnclosingInstanceAccess(rewrite, importRewriteContext, parameters, paramNames, enclosingInstance);
    }
    if (binding == null) {
        decl.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.PUBLIC_KEYWORD));
    } else {
        decl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, binding.getModifiers()));
        ITypeBinding[] params = binding.getParameterTypes();
        for (int i = 0; i < params.length; i++) {
            SingleVariableDeclaration var = ast.newSingleVariableDeclaration();
            var.setType(getImportRewrite().addImport(params[i], ast, importRewriteContext));
            var.setName(ast.newSimpleName(paramNames[i]));
            parameters.add(var);
        }
        List<Type> thrownExceptions = decl.thrownExceptionTypes();
        ITypeBinding[] excTypes = binding.getExceptionTypes();
        for (int i = 0; i < excTypes.length; i++) {
            Type excType = getImportRewrite().addImport(excTypes[i], ast, importRewriteContext);
            thrownExceptions.add(excType);
        }
        if (invocation == null) {
            invocation = ast.newSuperConstructorInvocation();
        }
        List<Expression> arguments = invocation.arguments();
        for (int i = 0; i < paramNames.length; i++) {
            Name argument = ast.newSimpleName(paramNames[i]);
            arguments.add(argument);
            //$NON-NLS-1$
            addLinkedPosition(rewrite.track(argument), false, "arg_name_" + paramNames[i]);
        }
    }
    String bodyStatement = (invocation == null) ? "" : ASTNodes.asFormattedString(invocation, 0, String.valueOf('\n'), getCompilationUnit().getJavaProject().getOptions(true));
    //$NON-NLS-1$
    String placeHolder = CodeGeneration.getMethodBodyContent(getCompilationUnit(), name, name, true, bodyStatement, String.valueOf('\n'));
    if (placeHolder != null) {
        ASTNode todoNode = rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
        body.statements().add(todoNode);
    }
    if (commentSettings != null) {
        String string = CodeGeneration.getMethodComment(getCompilationUnit(), name, decl, null, String.valueOf('\n'));
        if (string != null) {
            Javadoc javadoc = (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
            decl.setJavadoc(javadoc);
        }
    }
    return decl;
}