use of org.eclipse.jdt.core.dom.AST in project flux by eclipse.
the class AdvancedQuickAssistProcessor method getPickOutStringProposals.
private static boolean getPickOutStringProposals(IInvocationContext context, ASTNode node, Collection<ICommandAccess> resultingCollections) {
// we work with String's
if (!(node instanceof StringLiteral)) {
return false;
}
// user should select part of String
int selectionPos = context.getSelectionOffset();
int selectionLen = context.getSelectionLength();
if (selectionLen == 0) {
return false;
}
int valueStart = node.getStartPosition() + 1;
int valueEnd = node.getStartPosition() + node.getLength() - 1;
// selection must be inside node and the quotes and not contain the full value
if (selectionPos < valueStart || selectionPos + selectionLen > valueEnd || valueEnd - valueStart == selectionLen) {
return false;
}
// prepare string parts positions
StringLiteral stringLiteral = (StringLiteral) node;
String stringValue = stringLiteral.getEscapedValue();
int firstPos = selectionPos - node.getStartPosition();
int secondPos = firstPos + selectionLen;
// prepare new string literals
AST ast = node.getAST();
StringLiteral leftLiteral = ast.newStringLiteral();
StringLiteral centerLiteral = ast.newStringLiteral();
StringLiteral rightLiteral = ast.newStringLiteral();
try {
leftLiteral.setEscapedValue('"' + stringValue.substring(1, firstPos) + '"');
centerLiteral.setEscapedValue('"' + stringValue.substring(firstPos, secondPos) + '"');
rightLiteral.setEscapedValue('"' + stringValue.substring(secondPos, stringValue.length() - 1) + '"');
} catch (IllegalArgumentException e) {
return false;
}
if (resultingCollections == null) {
return true;
}
ASTRewrite rewrite = ASTRewrite.create(ast);
// prepare new expression instead of StringLiteral
InfixExpression expression = ast.newInfixExpression();
expression.setOperator(InfixExpression.Operator.PLUS);
if (firstPos != 1) {
expression.setLeftOperand(leftLiteral);
}
if (firstPos == 1) {
expression.setLeftOperand(centerLiteral);
} else {
expression.setRightOperand(centerLiteral);
}
if (secondPos < stringValue.length() - 1) {
if (firstPos == 1) {
expression.setRightOperand(rightLiteral);
} else {
expression.extendedOperands().add(rightLiteral);
}
}
// use new expression instead of old StirngLiteral
rewrite.replace(stringLiteral, expression, null);
// add correction proposal
String label = CorrectionMessages.AdvancedQuickAssistProcessor_pickSelectedString;
// Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.PICK_SELECTED_STRING);
//$NON-NLS-1$
proposal.addLinkedPosition(rewrite.track(centerLiteral), true, "CENTER_STRING");
resultingCollections.add(proposal);
return true;
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class SourceProvider method replaceParameterWithExpression.
private void replaceParameterWithExpression(ASTRewrite rewriter, CallContext context, ImportRewrite importRewrite) throws CoreException {
Expression[] arguments = context.arguments;
try {
ITextFileBuffer buffer = RefactoringFileBuffers.acquire(context.compilationUnit);
for (int i = 0; i < arguments.length; i++) {
Expression expression = arguments[i];
String expressionString = null;
if (expression instanceof SimpleName) {
expressionString = ((SimpleName) expression).getIdentifier();
} else {
try {
expressionString = buffer.getDocument().get(expression.getStartPosition(), expression.getLength());
} catch (BadLocationException exception) {
JavaPlugin.log(exception);
continue;
}
}
ParameterData parameter = getParameterData(i);
List<SimpleName> references = parameter.references();
for (Iterator<SimpleName> iter = references.iterator(); iter.hasNext(); ) {
ASTNode element = iter.next();
Expression newExpression = (Expression) rewriter.createStringPlaceholder(expressionString, expression.getNodeType());
AST ast = rewriter.getAST();
ITypeBinding explicitCast = ASTNodes.getExplicitCast(expression, (Expression) element);
if (explicitCast != null) {
CastExpression cast = ast.newCastExpression();
if (NecessaryParenthesesChecker.needsParentheses(expression, cast, CastExpression.EXPRESSION_PROPERTY)) {
newExpression = createParenthesizedExpression(newExpression, ast);
}
cast.setExpression(newExpression);
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(expression, importRewrite);
cast.setType(importRewrite.addImport(explicitCast, ast, importRewriteContext));
expression = newExpression = cast;
}
if (NecessaryParenthesesChecker.needsParentheses(expression, element.getParent(), element.getLocationInParent())) {
newExpression = createParenthesizedExpression(newExpression, ast);
}
rewriter.replace(element, newExpression, null);
}
}
} finally {
RefactoringFileBuffers.release(context.compilationUnit);
}
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class ModifierCorrectionSubProcessor method addNativeMethodProposals.
public static void addNativeMethodProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
ICompilationUnit cu = context.getCompilationUnit();
CompilationUnit astRoot = context.getASTRoot();
ASTNode selectedNode = problem.getCoveringNode(astRoot);
if (selectedNode == null) {
return;
}
MethodDeclaration decl;
if (selectedNode instanceof SimpleName) {
decl = (MethodDeclaration) selectedNode.getParent();
} else if (selectedNode instanceof MethodDeclaration) {
decl = (MethodDeclaration) selectedNode;
} else {
return;
}
{
AST ast = astRoot.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
removeModifier(decl, rewrite, Modifier.NATIVE);
Block newBody = ast.newBlock();
rewrite.set(decl, MethodDeclaration.BODY_PROPERTY, newBody, null);
Type returnType = decl.getReturnType2();
if (returnType != null) {
Expression expr = ASTNodeFactory.newDefaultExpression(ast, returnType, decl.getExtraDimensions());
if (expr != null) {
ReturnStatement returnStatement = ast.newReturnStatement();
returnStatement.setExpression(expr);
newBody.statements().add(returnStatement);
}
}
String label = CorrectionMessages.ModifierCorrectionSubProcessor_removenative_description;
Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.REMOVE_NATIVE, image);
proposals.add(proposal);
}
if (decl.getBody() != null) {
ASTRewrite rewrite = ASTRewrite.create(decl.getAST());
rewrite.remove(decl.getBody(), null);
String label = CorrectionMessages.ModifierCorrectionSubProcessor_removebody_description;
Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
ASTRewriteCorrectionProposal proposal2 = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.REMOVE_METHOD_BODY, image);
proposals.add(proposal2);
}
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class ModifierCorrectionSubProcessor method addOverridingDeprecatedMethodProposal.
public static void addOverridingDeprecatedMethodProposal(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
ICompilationUnit cu = context.getCompilationUnit();
ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
if (!(selectedNode instanceof MethodDeclaration)) {
return;
}
boolean is50OrHigher = JavaModelUtil.is50OrHigher(cu.getJavaProject());
MethodDeclaration methodDecl = (MethodDeclaration) selectedNode;
AST ast = methodDecl.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
if (is50OrHigher) {
Annotation annot = ast.newMarkerAnnotation();
//$NON-NLS-1$
annot.setTypeName(ast.newName("Deprecated"));
rewrite.getListRewrite(methodDecl, methodDecl.getModifiersProperty()).insertFirst(annot, null);
}
Javadoc javadoc = methodDecl.getJavadoc();
if (javadoc != null || !is50OrHigher) {
if (!is50OrHigher) {
javadoc = ast.newJavadoc();
rewrite.set(methodDecl, MethodDeclaration.JAVADOC_PROPERTY, javadoc, null);
}
TagElement newTag = ast.newTagElement();
newTag.setTagName(TagElement.TAG_DEPRECATED);
JavadocTagsSubProcessor.insertTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), newTag, null);
}
String label = CorrectionMessages.ModifierCorrectionSubProcessor_overrides_deprecated_description;
Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.OVERRIDES_DEPRECATED, image);
proposals.add(proposal);
}
use of org.eclipse.jdt.core.dom.AST in project che by eclipse.
the class ModifierCorrectionSubProcessor method addMethodRequiresBodyProposals.
public static void addMethodRequiresBodyProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
ICompilationUnit cu = context.getCompilationUnit();
AST ast = context.getASTRoot().getAST();
ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
if (!(selectedNode instanceof MethodDeclaration)) {
return;
}
MethodDeclaration decl = (MethodDeclaration) selectedNode;
Modifier modifierNode;
{
ASTRewrite rewrite = ASTRewrite.create(ast);
modifierNode = removeModifier(decl, rewrite, Modifier.ABSTRACT);
Block body = ast.newBlock();
rewrite.set(decl, MethodDeclaration.BODY_PROPERTY, body, null);
if (!decl.isConstructor()) {
Type returnType = decl.getReturnType2();
if (returnType != null) {
Expression expression = ASTNodeFactory.newDefaultExpression(ast, returnType, decl.getExtraDimensions());
if (expression != null) {
ReturnStatement returnStatement = ast.newReturnStatement();
returnStatement.setExpression(expression);
body.statements().add(returnStatement);
}
}
}
String label = CorrectionMessages.ModifierCorrectionSubProcessor_addmissingbody_description;
Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.ADD_MISSING_BODY, image);
proposals.add(proposal);
}
IMethodBinding binding = decl.resolveBinding();
if (modifierNode == null && binding != null) {
String label = Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_changemodifiertoabstract_description, getMethodLabel(binding));
Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
int included = binding.getDeclaringClass().isInterface() ? Modifier.NONE : Modifier.ABSTRACT;
int excluded = Modifier.STATIC | Modifier.DEFAULT;
ModifierChangeCorrectionProposal proposal = new ModifierChangeCorrectionProposal(label, cu, binding, decl, included, excluded, IProposalRelevance.ADD_ABSTRACT_MODIFIER, image);
proposals.add(proposal);
}
}
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