/*
* @see edu.berkeley.eduride.isa.corext.dom.GenericVisitor#visitNode(org.eclipse.jdt.core.dom.ASTNode)
*/
protected boolean visitNode(ASTNode node) {
if ((node.getFlags() & ASTNode.MALFORMED) == ASTNode.MALFORMED) {
retainPositions(node.getStartPosition(), node.getLength());
return false;
}
return true;
}
protected boolean found(ASTNode node, ASTNode name) {
if (name.getStartPosition() == this.rangeStart && name.getLength() == this.rangeLength) {
this.foundNode = node;
return true;
}
return false;
}
private void divideTypeRefs(
List /* <SimpleName> */ importNames,
List /* <SimpleName> */ staticNames,
List /* <SimpleName> */ removedRefs,
List /* <SimpleName> */ unremovedRefs) {
int[] removedStartsEnds = new int[2 * fRemovedNodes.size()];
for (int index = 0; index < fRemovedNodes.size(); index++) {
ASTNode node = (ASTNode) fRemovedNodes.get(index);
int start = node.getStartPosition();
removedStartsEnds[2 * index] = start;
removedStartsEnds[2 * index + 1] = start + node.getLength();
}
for (Iterator iterator = importNames.iterator(); iterator.hasNext(); ) {
SimpleName name = (SimpleName) iterator.next();
if (isInRemoved(name, removedStartsEnds)) removedRefs.add(name);
else unremovedRefs.add(name);
}
for (Iterator iterator = staticNames.iterator(); iterator.hasNext(); ) {
SimpleName name = (SimpleName) iterator.next();
if (isInRemoved(name, removedStartsEnds)) removedRefs.add(name);
else unremovedRefs.add(name);
}
for (Iterator iterator = fInlinedStaticImports.iterator(); iterator.hasNext(); ) {
ImportDeclaration importDecl = (ImportDeclaration) iterator.next();
Name name = importDecl.getName();
if (name instanceof QualifiedName) name = ((QualifiedName) name).getName();
removedRefs.add(name);
}
}
@SuppressWarnings("rawtypes") // DOM AST API returns raw collections
public SourcePosition getPosition() {
final MirrorKind kind = _parent.kind();
ASTNode astNode = null;
switch (kind) {
case ANNOTATION_MIRROR:
final AnnotationMirrorImpl anno = (AnnotationMirrorImpl) _parent;
astNode = anno.getASTNodeForElement(_name);
break;
case ANNOTATION_ELEMENT:
final AnnotationElementDeclarationImpl element = (AnnotationElementDeclarationImpl) _parent;
astNode = element.getAstNodeForDefault();
break;
default:
throw new IllegalStateException(); // should never reach this point.
}
// did not come from source.
if (astNode == null) return null;
if (_index >= 0 && astNode.getNodeType() == ASTNode.ARRAY_INITIALIZER) {
final ArrayInitializer arrayInit = (ArrayInitializer) astNode;
final List exprs = arrayInit.expressions();
if (exprs != null && _index < exprs.size()) astNode = (ASTNode) exprs.get(_index);
}
if (astNode == null) return null;
final CompilationUnit unit = getCompilationUnit();
if (unit == null) return null;
final int offset = astNode.getStartPosition();
return new SourcePositionImpl(
astNode.getStartPosition(),
astNode.getLength(),
unit.getLineNumber(offset),
unit.getColumnNumber(offset),
this);
}
private boolean isAffected(ASTNode node) {
if (fSubRange == null) {
return true;
}
int nodeStart = node.getStartPosition();
int offset = fSubRange.getOffset();
return nodeStart + node.getLength() > offset && offset + fSubRange.getLength() > nodeStart;
}
public int[] getSelectionStartAndEnd(ICompilationUnit iunit) {
int[] offsets = new int[2];
CompilationUnit parsedUnit = ASTreeManipulationMethods.parseICompilationUnit(iunit);
ASTNode nodeOne = ASTreeManipulationMethods.getASTNodeByIndex(parsedUnit, firstCutNodeIndex);
ASTNode nodeTwo = ASTreeManipulationMethods.getASTNodeByIndex(parsedUnit, lastCutNodeIndex);
offsets[0] = nodeOne.getStartPosition();
offsets[1] = nodeTwo.getStartPosition() + nodeTwo.getLength() - 1;
return offsets;
}
private boolean isNodeEnclosingMethod(ASTNode node) {
int nodeStartPosition = node.getStartPosition();
int nodeEndPosition = nodeStartPosition + node.getLength();
if (nodeStartPosition < fMethodStartPosition && nodeEndPosition > fMethodEndPosition) {
// Is the method completely enclosed by the node?
return true;
}
return false;
}
private boolean isNodeWithinMethod(ASTNode node) {
int nodeStartPosition = node.getStartPosition();
int nodeEndPosition = nodeStartPosition + node.getLength();
if (nodeStartPosition < fMethodStartPosition) {
return false;
}
if (nodeEndPosition > fMethodEndPosition) {
return false;
}
return true;
}
/**
* Adds the specified method binding to the search results.
*
* @param calledMethodBinding
* @param node
*/
protected void addMethodCall(IMethodBinding calledMethodBinding, ASTNode node) {
try {
if (calledMethodBinding != null) {
fProgressMonitor.worked(1);
ITypeBinding calledTypeBinding = calledMethodBinding.getDeclaringClass();
IType calledType = null;
if (!calledTypeBinding.isAnonymous()) {
calledType = (IType) calledTypeBinding.getJavaElement();
} else {
if (!"java.lang.Object"
.equals(calledTypeBinding.getSuperclass().getQualifiedName())) { // $NON-NLS-1$
calledType = (IType) calledTypeBinding.getSuperclass().getJavaElement();
} else {
calledType = (IType) calledTypeBinding.getInterfaces()[0].getJavaElement();
}
}
IMethod calledMethod =
findIncludingSupertypes(calledMethodBinding, calledType, fProgressMonitor);
IMember referencedMember = null;
if (calledMethod == null) {
if (calledMethodBinding.isConstructor()
&& calledMethodBinding.getParameterTypes().length == 0) {
referencedMember = calledType;
}
} else {
if (calledType.isInterface()) {
calledMethod = findImplementingMethods(calledMethod);
}
if (!isIgnoredBySearchScope(calledMethod)) {
referencedMember = calledMethod;
}
}
final int position = node.getStartPosition();
final int number = fCompilationUnit.getLineNumber(position);
fSearchResults.addMember(
fMember,
referencedMember,
position,
position + node.getLength(),
number < 1 ? 1 : number);
}
} catch (JavaModelException jme) {
JavaPlugin.log(jme);
}
}
@Override
public boolean visit(LambdaExpression node) {
Selection selection = getSelection();
int selectionStart = selection.getOffset();
int selectionExclusiveEnd = selection.getExclusiveEnd();
int lambdaStart = node.getStartPosition();
int lambdaExclusiveEnd = lambdaStart + node.getLength();
ASTNode body = node.getBody();
int bodyStart = body.getStartPosition();
int bodyExclusiveEnd = bodyStart + body.getLength();
boolean isValidSelection = false;
if ((body instanceof Block)
&& (bodyStart < selectionStart && selectionExclusiveEnd <= bodyExclusiveEnd)) {
// if selection is inside lambda body's block
isValidSelection = true;
} else if (body instanceof Expression) {
try {
TokenScanner scanner = new TokenScanner(fCUnit);
int arrowExclusiveEnd =
scanner.getTokenEndOffset(ITerminalSymbols.TokenNameARROW, lambdaStart);
if (selectionStart >= arrowExclusiveEnd) {
isValidSelection = true;
}
} catch (CoreException e) {
// ignore
}
}
if (selectionStart <= lambdaStart && selectionExclusiveEnd >= lambdaExclusiveEnd) {
// if selection covers the lambda node
isValidSelection = true;
}
if (!isValidSelection) {
return false;
}
return super.visit(node);
}
/*(non-Javadoc)
* @see org.eclipse.jdt.internal.ui.text.correction.ASTRewriteCorrectionProposal#getRewrite()
*/
@Override
protected ASTRewrite getRewrite() {
AST ast = fMethodDecl.getAST();
ITypeBinding returnBinding = getReturnTypeBinding();
if (fExistingReturn != null) {
ASTRewrite rewrite = ASTRewrite.create(ast);
Expression expression =
evaluateReturnExpressions(ast, returnBinding, fExistingReturn.getStartPosition());
if (expression != null) {
rewrite.set(fExistingReturn, ReturnStatement.EXPRESSION_PROPERTY, expression, null);
addLinkedPosition(rewrite.track(expression), true, RETURN_EXPRESSION_KEY);
}
return rewrite;
} else {
ASTRewrite rewrite = ASTRewrite.create(ast);
Block block = fMethodDecl.getBody();
List<Statement> statements = block.statements();
int nStatements = statements.size();
ASTNode lastStatement = null;
if (nStatements > 0) {
lastStatement = statements.get(nStatements - 1);
}
if (returnBinding != null
&& lastStatement instanceof ExpressionStatement
&& lastStatement.getNodeType() != ASTNode.ASSIGNMENT) {
Expression expression = ((ExpressionStatement) lastStatement).getExpression();
ITypeBinding binding = expression.resolveTypeBinding();
if (binding != null && binding.isAssignmentCompatible(returnBinding)) {
Expression placeHolder = (Expression) rewrite.createMoveTarget(expression);
ReturnStatement returnStatement = ast.newReturnStatement();
returnStatement.setExpression(placeHolder);
rewrite.replace(lastStatement, returnStatement, null);
return rewrite;
}
}
int offset;
if (lastStatement == null) {
offset = block.getStartPosition() + 1;
} else {
offset = lastStatement.getStartPosition() + lastStatement.getLength();
}
ReturnStatement returnStatement = ast.newReturnStatement();
Expression expression = evaluateReturnExpressions(ast, returnBinding, offset);
returnStatement.setExpression(expression);
rewrite.getListRewrite(block, Block.STATEMENTS_PROPERTY).insertLast(returnStatement, null);
addLinkedPosition(
rewrite.track(returnStatement.getExpression()), true, RETURN_EXPRESSION_KEY);
return rewrite;
}
}
public boolean visit(VariableDeclarationFragment node) {
String name = getFieldName(node);
ASTNode parent = node.getParent();
push(JavaNode.FIELD, name, parent.getStartPosition(), parent.getLength());
return false;
}
private boolean isClosed(IDocument document, int offset, int length) {
CompilationUnitInfo info = getCompilationUnitForMethod(document, offset);
if (info == null) return false;
CompilationUnit compilationUnit = null;
try {
ASTParser parser = ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
parser.setSource(info.buffer);
compilationUnit = (CompilationUnit) parser.createAST(null);
} catch (ArrayIndexOutOfBoundsException x) {
// work around for parser problem
return false;
}
IProblem[] problems = compilationUnit.getProblems();
for (int i = 0; i != problems.length; ++i) {
if (problems[i].getID() == IProblem.UnmatchedBracket) return true;
}
final int relativeOffset = offset - info.delta;
ASTNode node = NodeFinder.perform(compilationUnit, relativeOffset, length);
if (length == 0) {
while (node != null
&& (relativeOffset == node.getStartPosition()
|| relativeOffset == node.getStartPosition() + node.getLength()))
node = node.getParent();
}
if (node == null) return false;
switch (node.getNodeType()) {
case ASTNode.BLOCK:
return getBlockBalance(document, offset, fPartitioning) <= 0;
case ASTNode.IF_STATEMENT:
{
IfStatement ifStatement = (IfStatement) node;
Expression expression = ifStatement.getExpression();
IRegion expressionRegion = createRegion(expression, info.delta);
Statement thenStatement = ifStatement.getThenStatement();
IRegion thenRegion = createRegion(thenStatement, info.delta);
// between expression and then statement
if (expressionRegion.getOffset() + expressionRegion.getLength() <= offset
&& offset + length <= thenRegion.getOffset()) return thenStatement != null;
Statement elseStatement = ifStatement.getElseStatement();
IRegion elseRegion = createRegion(elseStatement, info.delta);
if (elseStatement != null) {
int sourceOffset = thenRegion.getOffset() + thenRegion.getLength();
int sourceLength = elseRegion.getOffset() - sourceOffset;
IRegion elseToken =
getToken(
document,
new Region(sourceOffset, sourceLength),
ITerminalSymbols.TokenNameelse);
return elseToken != null
&& elseToken.getOffset() + elseToken.getLength() <= offset
&& offset + length < elseRegion.getOffset();
}
}
break;
case ASTNode.WHILE_STATEMENT:
case ASTNode.FOR_STATEMENT:
{
Expression expression =
node.getNodeType() == ASTNode.WHILE_STATEMENT
? ((WhileStatement) node).getExpression()
: ((ForStatement) node).getExpression();
IRegion expressionRegion = createRegion(expression, info.delta);
Statement body =
node.getNodeType() == ASTNode.WHILE_STATEMENT
? ((WhileStatement) node).getBody()
: ((ForStatement) node).getBody();
IRegion bodyRegion = createRegion(body, info.delta);
// between expression and body statement
if (expressionRegion.getOffset() + expressionRegion.getLength() <= offset
&& offset + length <= bodyRegion.getOffset()) return body != null;
}
break;
case ASTNode.DO_STATEMENT:
{
DoStatement doStatement = (DoStatement) node;
IRegion doRegion = createRegion(doStatement, info.delta);
Statement body = doStatement.getBody();
IRegion bodyRegion = createRegion(body, info.delta);
if (doRegion.getOffset() + doRegion.getLength() <= offset
&& offset + length <= bodyRegion.getOffset()) return body != null;
}
break;
}
return true;
}
private static IRegion createRegion(ASTNode node, int delta) {
return node == null ? null : new Region(node.getStartPosition() + delta, node.getLength());
}
@Test
public void testOneMethod() {
System.out.println("filetypes in given file");
System.out.println("inheritance " + resolver.getSuperType());
System.out.println("interfaces " + resolver.getInterfaces());
Map<String, String> types = resolver.getClassesInFile();
for (MethodInvocationResolver.TypeDecl typeDeclaration : resolver.getTypeDeclarations()) {
System.out.println(
types.get(typeDeclaration.getClassName())
+ " "
+ unit.getLineNumber(typeDeclaration.getLoc())
+ " "
+ unit.getColumnNumber(typeDeclaration.getLoc()));
}
Map<ASTNode, String> typesAtPos = resolver.getVariableTypesAtPosition();
System.out.println("~~~~~~variable Typeaatposition ");
for (Entry<ASTNode, String> e : typesAtPos.entrySet()) {
Integer line = unit.getLineNumber(e.getKey().getStartPosition());
Integer col = unit.getColumnNumber(e.getKey().getStartPosition());
System.out.println(
line + " , " + col + " , " + e.getKey().getLength() + " : " + e.getValue());
}
System.out.println("######## Import name position");
for (Entry<ASTNode, String> e : resolver.getImportsDeclarationNode().entrySet()) {
Integer line = unit.getLineNumber(e.getKey().getStartPosition());
Integer col = unit.getColumnNumber(e.getKey().getStartPosition());
System.out.println(
line + " , " + col + " , " + e.getKey().getLength() + " : " + e.getValue());
}
System.out.println("--------------Type at positions ");
for (Entry<ASTNode, String> e : resolver.getTypesAtPosition().entrySet()) {
Integer line = unit.getLineNumber(e.getKey().getStartPosition());
Integer col = unit.getColumnNumber(e.getKey().getStartPosition());
System.out.println(
line + " , " + col + " , " + e.getKey().getLength() + " : " + e.getValue());
}
for (Entry<ASTNode, ASTNode> e : resolver.getVariableDependencies().entrySet()) {
ASTNode child = e.getKey();
Integer chline = unit.getLineNumber(child.getStartPosition());
Integer chcol = unit.getColumnNumber(child.getStartPosition());
Integer chLength = child.getLength();
ASTNode parent = e.getValue();
Integer pline = unit.getLineNumber(parent.getStartPosition());
Integer pcol = unit.getColumnNumber(parent.getStartPosition());
Integer plength = parent.getLength();
System.out.println(
"**** "
+ child
+ "["
+ chline
+ ", "
+ chcol
+ ", "
+ chLength
+ "] ==> "
+ parent.toString()
+ "["
+ pline
+ ", "
+ pcol
+ ", "
+ plength
+ "]");
}
for (Entry<String, List<MethodInvokRef>> entry : resolver.getMethodInvoks().entrySet()) {
System.out.println(" ~~~~~~~~~~~ For method " + entry.getKey() + " ~~~~~~~~~~~");
for (MethodInvokRef m : entry.getValue()) {
Integer loc = m.getLocation();
Integer line = unit.getLineNumber(loc);
Integer col = unit.getColumnNumber(loc);
System.out.println("[" + line + ", " + col + ", " + m.getLength() + " ] ==> " + m);
}
}
for (MethodDecl m : resolver.getDeclaredMethods()) {
System.out.println("~~~~~~~~~~~~~~~~~ Declared Methods ~~~~~~~~~~~~~~~~~");
System.out.println(m);
}
System.out.println(resolver.getVariableTypes());
}