/**
* @param locateNode
* @return true if the given path indicates a trait
*/
private static boolean isTraitName(ASTNode locateNode) {
assert locateNode != null;
ASTNode parent = null;
if (locateNode.getType() == ASTNode.CLASS_DECLARATION) {
parent = locateNode;
} else if (locateNode.getType() == ASTNode.IDENTIFIER) {
parent = locateNode.getParent();
} else {
return false;
}
if (parent.getType() == ASTNode.NAMESPACE_NAME) {
locateNode = parent;
parent = parent.getParent();
}
final int parentType = parent.getType();
if (parentType == ASTNode.CLASS_DECLARATION
|| parentType == ASTNode.TRAIT_USE_STATEMENT
|| parentType == ASTNode.FULLY_QUALIFIED_TRAIT_METHOD_REFERENCE) {
if (parentType == ASTNode.FULLY_QUALIFIED_TRAIT_METHOD_REFERENCE) {
FullyQualifiedTraitMethodReference reference = (FullyQualifiedTraitMethodReference) parent;
if (reference.getFunctionName() == locateNode) {
return false;
}
}
return true;
}
return false;
}
public static boolean isGlobalConstant(ASTNode locateNode) {
assert locateNode != null;
// check if it is an identifier
if (locateNode.getType() != ASTNode.IDENTIFIER) {
return false;
}
ASTNode parent = locateNode.getParent();
if (parent.getType() != ASTNode.NAMESPACE_NAME) {
return false;
}
final NamespaceName namespaceName = (NamespaceName) parent;
parent = namespaceName.getParent();
if (parent.getType() == ASTNode.FUNCTION_NAME
|| parent.getType() == ASTNode.CLASS_NAME
|| parent.getType() == ASTNode.NAMESPACE
|| parent.getType() == ASTNode.USE_STATEMENT_PART
|| parent.getType() == ASTNode.TRAIT_USE_STATEMENT) {
return false;
}
return true;
}
/**
* @param locateNode
* @return true if the given path indicates a function
*/
private static boolean isFunction(ASTNode locateNode) {
assert locateNode != null;
ASTNode parent = null;
Identifier targetIdentifier = null;
if (locateNode.getType() == ASTNode.FUNCTION_DECLARATION) {
parent = ((FunctionDeclaration) locateNode);
targetIdentifier = ((FunctionDeclaration) locateNode).getFunctionName();
} else if (locateNode instanceof Identifier
&& !"define".equals(((Identifier) locateNode).getName())) { // $NON-NLS-1$
targetIdentifier = (Identifier) locateNode;
parent = targetIdentifier.getParent();
if (parent != null && parent.getType() == ASTNode.NAMESPACE_NAME) {
parent = targetIdentifier.getParent().getParent();
}
} else {
return false;
}
// check if it is a function
if (parent == null
|| parent.getType() != ASTNode.FUNCTION_DECLARATION
&& parent.getType() != ASTNode.FUNCTION_NAME
|| parent.getParent().getType() == ASTNode.METHOD_DECLARATION
|| parent.getType() == ASTNode.FULLY_QUALIFIED_TRAIT_METHOD_REFERENCE) {
return false;
}
if (parent instanceof TraitAlias) {
return false;
}
// check if it is a method
final int type = parent.getParent().getType();
if (type == ASTNode.FUNCTION_INVOCATION) {
final int parentParentType = parent.getParent().getParent().getType();
if (parentParentType == ASTNode.METHOD_DECLARATION
|| parentParentType == ASTNode.STATIC_METHOD_INVOCATION) {
return false;
}
} else if (type == ASTNode.METHOD_DECLARATION) {
return false;
}
return true;
}
public ITypeBinding getDeclaringClass() {
ASTNode parent = this.variableDeclaration.getParent();
while (parent != null && parent.getNodeType() != ASTNode.TYPE_DECLARATION) {
parent = parent.getParent();
}
if (parent != null) {
return ((TypeDeclaration) parent).resolveBinding();
}
return null;
}
public IFunctionBinding getDeclaringMethod() {
ASTNode parent = this.variableDeclaration.getParent();
while (parent != null && parent.getNodeType() != ASTNode.FUNCTION_DECLARATION) {
parent = parent.getParent();
}
if (parent != null) {
return ((FunctionDeclaration) parent).resolveBinding();
}
return null;
}
/**
* @param locateNode
* @return true if the given path indicates a function
*/
private static boolean isClassName(ASTNode locateNode) {
assert locateNode != null;
ASTNode parent = null;
if (locateNode.getType() == ASTNode.CLASS_DECLARATION
|| locateNode.getType() == ASTNode.INTERFACE_DECLARATION) {
parent = locateNode;
} else if (locateNode.getType() == ASTNode.IDENTIFIER) {
parent = locateNode.getParent();
} else {
return false;
}
if (parent.getType() == ASTNode.NAMESPACE_NAME) {
locateNode = parent;
parent = parent.getParent();
}
if (parent instanceof TraitDeclaration) {
return false;
}
final int parentType = parent.getType();
if (parentType == ASTNode.CLASS_NAME
|| parentType == ASTNode.CLASS_DECLARATION
|| parentType == ASTNode.INTERFACE_DECLARATION
|| parentType == ASTNode.CATCH_CLAUSE
|| parentType == ASTNode.FORMAL_PARAMETER
|| parentType == ASTNode.USE_STATEMENT_PART) {
return true;
}
if (parentType == ASTNode.STATIC_METHOD_INVOCATION
|| parentType == ASTNode.STATIC_FIELD_ACCESS
|| parentType == ASTNode.STATIC_CONSTANT_ACCESS) {
StaticDispatch staticDispatch = (StaticDispatch) parent;
if (staticDispatch.getClassName() == locateNode) {
return true;
}
}
return false;
}
public void test_addAll() {
ASTNode parent = argumentList();
ArrayList<ASTNode> firstNodes = new ArrayList<ASTNode>();
ASTNode firstNode = booleanLiteral(true);
ASTNode secondNode = booleanLiteral(false);
firstNodes.add(firstNode);
firstNodes.add(secondNode);
NodeList<ASTNode> list = new NodeList<ASTNode>(parent);
list.addAll(firstNodes);
assertSize(2, list);
assertSame(firstNode, list.get(0));
assertSame(secondNode, list.get(1));
assertSame(parent, firstNode.getParent());
assertSame(parent, secondNode.getParent());
ArrayList<ASTNode> secondNodes = new ArrayList<ASTNode>();
ASTNode thirdNode = booleanLiteral(true);
ASTNode fourthNode = booleanLiteral(false);
secondNodes.add(thirdNode);
secondNodes.add(fourthNode);
list.addAll(secondNodes);
assertSize(4, list);
assertSame(firstNode, list.get(0));
assertSame(secondNode, list.get(1));
assertSame(thirdNode, list.get(2));
assertSame(fourthNode, list.get(3));
assertSame(parent, firstNode.getParent());
assertSame(parent, secondNode.getParent());
assertSame(parent, thirdNode.getParent());
assertSame(parent, fourthNode.getParent());
}
private void markAsMoveOrCopyTarget(ASTNode node, ASTNode newChild) {
if (this.cloneDepth == 0) {
while (node != null && this.clonedNodes.containsKey(node)) {
/*
* A modified node cannot be considered as cloned any more.
* we can't copy the original formatting/comments and at the same time modify the node.
*
* Workaround for https://bugs.eclipse.org/405699 is to remove such nodes from clonedNodes
* and instead mark all children as cloned (or skip them if they are not in clonedNodes).
*/
ASTNode orig = (ASTNode) this.clonedNodes.remove(node);
if (orig != null) {
List properties = node.structuralPropertiesForType();
for (int i = 0; i < properties.size(); i++) {
StructuralPropertyDescriptor property =
(StructuralPropertyDescriptor) properties.get(i);
Object child = node.getStructuralProperty(property);
if (child instanceof ASTNode) {
markAsMoveOrCopyTarget(node, (ASTNode) child);
} else if (child instanceof List) {
List children = (List) child;
for (int j = 0; j < children.size(); j++) {
ASTNode clonedChild = (ASTNode) children.get(j);
markAsMoveOrCopyTarget(node, clonedChild);
}
}
}
}
node = node.getParent();
}
}
ASTNode source = (ASTNode) this.clonedNodes.get(newChild);
if (source != null) {
if (this.cloneDepth == 0) {
PropertyLocation propertyLocation =
this.eventStore.getPropertyLocation(source, RewriteEventStore.ORIGINAL);
CopySourceInfo sourceInfo =
this.eventStore.markAsCopySource(
propertyLocation.getParent(), propertyLocation.getProperty(), source, false);
this.nodeStore.markAsCopyTarget(newChild, sourceInfo);
}
} else if ((newChild.getFlags() & ASTNode.ORIGINAL) != 0) {
PropertyLocation propertyLocation =
this.eventStore.getPropertyLocation(newChild, RewriteEventStore.ORIGINAL);
CopySourceInfo sourceInfo =
this.eventStore.markAsCopySource(
propertyLocation.getParent(), propertyLocation.getProperty(), newChild, true);
this.nodeStore.markAsCopyTarget(newChild, sourceInfo);
}
}
public void test_add() {
ASTNode parent = argumentList();
ASTNode firstNode = booleanLiteral(true);
ASTNode secondNode = booleanLiteral(false);
NodeList<ASTNode> list = new NodeList<ASTNode>(parent);
list.add(0, secondNode);
list.add(0, firstNode);
assertSize(2, list);
assertSame(firstNode, list.get(0));
assertSame(secondNode, list.get(1));
assertSame(parent, firstNode.getParent());
assertSame(parent, secondNode.getParent());
ASTNode thirdNode = booleanLiteral(false);
list.add(1, thirdNode);
assertSize(3, list);
assertSame(firstNode, list.get(0));
assertSame(thirdNode, list.get(1));
assertSame(secondNode, list.get(2));
assertSame(parent, firstNode.getParent());
assertSame(parent, secondNode.getParent());
assertSame(parent, thirdNode.getParent());
}
private static boolean isLocalVariable(ASTNode locateNode) {
assert locateNode != null;
Variable parent = null;
// check if it is an identifier
if (locateNode instanceof Identifier
&& ((Identifier) locateNode).getParent() instanceof Variable) {
parent = (Variable) ((Identifier) locateNode).getParent();
} else if (locateNode.getType() == ASTNode.VARIABLE) {
parent = (Variable) locateNode;
} else {
return false;
}
// check for not variables / or $this / or field declaration
if (!parent.isDollared()
|| isThisVariable(parent)
|| parent.getType() == ASTNode.FIELD_DECLARATION) {
return false;
}
// check for static variables
if (parent.isDollared()
&& parent.getParent() != null
&& parent.getParent().getType() == ASTNode.STATIC_FIELD_ACCESS) {
return false;
}
// check for static array variables
if (parent.isDollared()
&& parent.getParent() != null
&& parent.getParent().getType() == ASTNode.ARRAY_ACCESS
&& parent != ((ArrayAccess) parent.getParent()).getIndex()
&& parent.getParent().getParent().getType() == ASTNode.STATIC_FIELD_ACCESS) {
return false;
}
ASTNode node = parent;
while (node != null) {
final int type = node.getType();
if (type == ASTNode.FUNCTION_DECLARATION) {
return true;
}
node = node.getParent();
}
return false;
}
public void endVisitNode(ASTNode node) {
// Look if a child node is waiting for trailing comments computing
ASTNode sibling =
this.topSiblingParent == node ? (ASTNode) this.siblings[this.siblingPtr] : null;
if (sibling != null) {
try {
storeTrailingComments(
sibling, node.getEnd() - 1, true, this.parentLineRange[this.siblingPtr]);
} catch (Exception ex) {
// Give up extended ranges at this level if unexpected
// exception happens...
}
}
// Remove sibling if needed
if (this.topSiblingParent != null /* not a CompilationUnit */
&& this.topSiblingParent == node) {
this.siblingPtr--;
this.topSiblingParent = node.getParent();
}
}
protected boolean apply(ASTNode node) {
// Get default previous end
ASTNode parent = node.getParent();
int previousEnd = parent.getStart();
// Look for sibling node
ASTNode sibling =
parent == this.topSiblingParent ? (ASTNode) this.siblings[this.siblingPtr] : null;
if (sibling != null) {
// Found one previous sibling, so compute its trailing comments
// using current node start position
try {
previousEnd =
storeTrailingComments(
sibling, node.getStart(), false, this.parentLineRange[this.siblingPtr]);
} catch (Exception ex) {
// Give up extended ranges at this level if unexpected
// exception happens...
}
}
// Stop visit for malformed node (see bug
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=84049)
if (node.getType() == ASTNode.AST_ERROR) {
return false;
}
// Compute leading comments for current node
int[] previousLineRange =
this.siblingPtr > -1
? this.parentLineRange[this.siblingPtr]
: new int[] {1, DefaultCommentMapper.this.document.getNumberOfLines()};
try {
storeLeadingComments(node, previousEnd, previousLineRange);
} catch (Exception ex) {
// Give up extended ranges at this level if unexpected exception
// happens...
}
// Store current node as waiting sibling for its parent
if (this.topSiblingParent != parent) {
if (this.siblings.length == ++this.siblingPtr) {
System.arraycopy(
this.siblings,
0,
this.siblings = new ASTNode[this.siblingPtr * 2],
0,
this.siblingPtr);
System.arraycopy(
this.parentLineRange,
0,
this.parentLineRange = new int[this.siblingPtr * 2][],
0,
this.siblingPtr);
}
if (this.topSiblingParent == null) {
// node is a CompilationUnit
this.parentLineRange[this.siblingPtr] = previousLineRange;
} else {
int parentStart = parent.getStart();
int firstLine = getLineNumber(parentStart, previousLineRange);
int lastLine = getLineNumber(parentStart + parent.getLength() - 1, previousLineRange);
if (this.parentLineRange[this.siblingPtr] == null) {
this.parentLineRange[this.siblingPtr] = new int[] {firstLine, lastLine};
} else {
int[] lineRange = this.parentLineRange[this.siblingPtr];
lineRange[0] = firstLine;
lineRange[1] = lastLine;
}
}
this.topSiblingParent = parent;
}
this.siblings[this.siblingPtr] = node;
// We're always ok to visit sub-levels
return true;
}
/**
* Search and store node trailing comments. Comments are searched in position range from node end
* position to specified next start. If one or several comment are found, returns last comment end
* position, otherwise returns node end position.
*
* <p>Starts to search for first comment after node end position and return if none was found...
*
* <p>When first comment is found after node, goes down in comment list until one of following
* conditions becomes true:
*
* <ol>
* <li>comment start is after next start
* <li>there's other than white characters between current node and comment
* <li>TODO there's more than 1 line between current node and comment
* </ol>
*
* If at least potential comments have been found, then all of them has to be separated from
* following node. So, remove all comments which do not verify this assumption. Note that this
* verification is not applicable on last node.
*
* <p>If finally there's still trailing comments, then stores indexes of the first and last one in
* trailing comments table.
*/
int storeTrailingComments(ASTNode node, int nextStart, boolean lastChild, int[] parentLineRange) {
// Init extended position
int nodeEnd = node.getEnd() - 1;
if (nodeEnd == nextStart) {
// special case for last child of its parent
if (++this.trailingPtr == 0) {
this.trailingNodes = new ASTNode[STORAGE_INCREMENT];
this.trailingIndexes = new long[STORAGE_INCREMENT];
this.lastTrailingPtr = -1;
} else if (this.trailingPtr == this.trailingNodes.length) {
int newLength = (this.trailingPtr * 3 / 2) + STORAGE_INCREMENT;
System.arraycopy(
this.trailingNodes,
0,
this.trailingNodes = new ASTNode[newLength],
0,
this.trailingPtr);
System.arraycopy(
this.trailingIndexes,
0,
this.trailingIndexes = new long[newLength],
0,
this.trailingPtr);
}
this.trailingNodes[this.trailingPtr] = node;
this.trailingIndexes[this.trailingPtr] = -1;
return nodeEnd;
}
int extended = nodeEnd;
// Get line number
int nodeEndLine = getLineNumber(nodeEnd, parentLineRange);
// Find comments range index
int idx = getCommentIndex(0, nodeEnd, 1);
if (idx == -1) {
return nodeEnd;
}
// Look after potential comments
int startIdx = idx;
int endIdx = -1;
int length = this.comments.length;
int commentStart = extended + 1;
int previousEnd = nodeEnd + 1;
int sameLineIdx = -1;
while (idx < length && commentStart < nextStart) {
// get comment and leave if next starting position has been reached
Comment comment = this.comments[idx];
commentStart = comment.getStart();
// verify that there's nothing else than white spaces between
// node/comments
if (commentStart >= nextStart) {
// stop search on condition 1)
break;
} else if (previousEnd < commentStart) {
try {
resetTo(previousEnd, commentStart);
this.scanner.next_token();
String token = this.scanner.yytext();
if (token != null && token.trim().length() > 0) {
// stop search on condition 2)
// if first index fails, then there's no extended
// position in fact...
if (idx == startIdx) {
return nodeEnd;
}
// otherwise we get the last index of trailing comment
// => break
break;
}
} catch (Exception e) {
// Should not happen, but return no extended position...
assert false;
return nodeEnd;
}
}
// Store index if we're on the same line than node end
int commentLine = getLineNumber(commentStart, parentLineRange);
if (commentLine == nodeEndLine) {
sameLineIdx = idx;
}
// Store previous infos
previousEnd = commentStart + comment.getLength();
endIdx = idx++;
}
if (endIdx != -1) {
// Verify that following node start is separated
if (!lastChild) {
int nextLine = getLineNumber(nextStart, parentLineRange);
int previousLine = getLineNumber(previousEnd, parentLineRange);
if ((nextLine - previousLine) <= 1) {
if (sameLineIdx == -1) return nodeEnd;
endIdx = sameLineIdx;
}
}
// Store trailing comments indexes
if (++this.trailingPtr == 0) {
this.trailingNodes = new ASTNode[STORAGE_INCREMENT];
this.trailingIndexes = new long[STORAGE_INCREMENT];
this.lastTrailingPtr = -1;
} else if (this.trailingPtr == this.trailingNodes.length) {
int newLength = (this.trailingPtr * 3 / 2) + STORAGE_INCREMENT;
System.arraycopy(
this.trailingNodes,
0,
this.trailingNodes = new ASTNode[newLength],
0,
this.trailingPtr);
System.arraycopy(
this.trailingIndexes,
0,
this.trailingIndexes = new long[newLength],
0,
this.trailingPtr);
}
this.trailingNodes[this.trailingPtr] = node;
long nodeRange = (((long) startIdx) << 32) + endIdx;
this.trailingIndexes[this.trailingPtr] = nodeRange;
// Compute new extended end
extended = this.comments[endIdx].getEnd() - 1;
// Look for children unresolved extended end
ASTNode previousNode = node;
int ptr = this.trailingPtr - 1; // children extended end were stored
// before
while (ptr >= 0) {
long range = this.trailingIndexes[ptr];
if (range != -1) break; // there's no more unresolved nodes
ASTNode unresolved = this.trailingNodes[ptr];
if (previousNode != unresolved.getParent())
break; // we're no longer in node ancestor hierarchy
this.trailingIndexes[ptr] = nodeRange;
previousNode = unresolved;
ptr--; // get previous node
}
// Remove remaining unresolved nodes
if (ptr > this.lastTrailingPtr) {
int offset = ptr - this.lastTrailingPtr;
for (int i = ptr + 1; i <= this.trailingPtr; i++) {
this.trailingNodes[i - offset] = this.trailingNodes[i];
this.trailingIndexes[i - offset] = this.trailingIndexes[i];
}
this.trailingPtr -= offset;
}
this.lastTrailingPtr = this.trailingPtr;
}
return extended;
}
/**
* Identifies a dispatch usage
*
* @param locateNode
*/
private static boolean isDispatch(ASTNode locateNode) {
assert locateNode != null;
ASTNode parent = null;
// check if it is an identifier
final int type = locateNode.getType();
if (locateNode instanceof Identifier
&& ((Identifier) locateNode).getParent() instanceof Variable) {
parent = (Variable) ((Identifier) locateNode).getParent();
parent = parent.getParent();
} else if (type == ASTNode.SINGLE_FIELD_DECLARATION
|| type == ASTNode.FIELD_DECLARATION
|| type == ASTNode.METHOD_DECLARATION) {
parent = locateNode;
} else {
parent = locateNode.getParent();
}
if (parent instanceof TraitAlias) {
// TraitAlias ta = (TraitAlias) parent;
// return locateNode == ta.getTraitMethod();
return true;
}
// check if it is a method declaration
if (parent.getType() == ASTNode.FUNCTION_DECLARATION) {
// check if it is a method declaration
if (parent.getParent() != null) {
parent = parent.getParent();
if (parent.getType() == ASTNode.METHOD_DECLARATION) {
return true;
}
}
return false;
}
if (parent.getType() == ASTNode.FULLY_QUALIFIED_TRAIT_METHOD_REFERENCE) {
FullyQualifiedTraitMethodReference reference = (FullyQualifiedTraitMethodReference) parent;
if (reference.getFunctionName() == locateNode) {
return true;
}
return false;
}
if (parent.getType() == ASTNode.SINGLE_FIELD_DECLARATION) {
// check for $this variable
if (parent.getParent().getType() == ASTNode.FIELD_DECLARATION
|| parent.getParent().getType() == ASTNode.SINGLE_FIELD_DECLARATION) {
return true;
}
}
if (parent.getType() == ASTNode.FIELD_DECLARATION
|| parent.getType() == ASTNode.METHOD_DECLARATION) {
return true;
}
if (parent.getType() == ASTNode.VARIABLE) {
if (parent.getParent().getType() == ASTNode.FIELD_DECLARATION
|| parent.getParent().getType() == ASTNode.SINGLE_FIELD_DECLARATION) {
return true;
}
}
if (parent.getType() == ASTNode.CONSTANT_DECLARATION) return true;
// check if it is a dispatch
while (parent != null) {
if (parent instanceof Dispatch || parent instanceof StaticDispatch) {
return true;
}
parent = parent.getParent();
}
return false;
}
public JavaRefactoringDescriptor buildEclipseDescriptor() throws Exception {
System.err.println("[eclipse-rename] Building descriptor...");
IJavaElement element = location.getIJavaElement();
String kind = getRenameKind(element);
// [1] BUGFIX was needed: The scripting interface didn't allow VariableDeclarationFragments as
// IJavaElements
// and thus had to be extended
// [2] WORKAROUND for scripting interface bug (see below)
if (kind.equals(IJavaRefactorings.RENAME_METHOD)) {
IMethod m = (IMethod) element;
if (m.isConstructor()) {
// Rename the type instead (as the UI would do-- the scripting interface will only rename
// the constructor, which is broken)
kind = IJavaRefactorings.RENAME_TYPE;
element = m.getDeclaringType();
}
}
System.err.println("[eclipse-rename] Kind = " + kind + ", element = " + element);
// [3] Don't test for package fragments now
if (kind.equals(IJavaRefactorings.RENAME_PACKAGE)) return null; // don't bother with this now
if (element == null) {
System.err.println("!!! ABORT: No IJavaElement to represent location");
throw new RuntimeException("!!! ABORT: No IJavaElement for location");
}
if (element instanceof ILocalVariable) {
System.err.println("element is of type " + element.getClass());
final ILocalVariable fLocalVariable = (ILocalVariable) element;
final ISourceRange sourceRange = fLocalVariable.getNameRange();
final CompilationUnit fCompilationUnitNode = location.getCompilationUnit();
ASTNode name = NodeFinder.perform(fCompilationUnitNode, sourceRange);
System.err.println("node is of type " + name.getClass());
if (name == null) System.err.println("!!! ILV doesn't have associated name!");
if (name.getParent() instanceof VariableDeclaration)
System.err.println("ILV has parent : " + (VariableDeclaration) name.getParent());
else
System.err.println(
"!!! ILV doesn't have var declaration parent, instead " + name.getParent().getClass());
}
System.err.println("Trying to rename a " + kind + ": " + element);
if (element instanceof SimpleName)
System.err.println(" Name = '" + ((SimpleName) element).getIdentifier() + "'");
if (kind.equals(IJavaRefactorings.RENAME_TYPE)) {
System.err.println("(Possibly need a new launch configuration)");
tproject.renameClass((IType) element, new_name);
}
final RenameJavaElementDescriptor descriptor =
(RenameJavaElementDescriptor) getDescriptor(kind);
descriptor.setJavaElement(element);
descriptor.setNewName(this.new_name);
if (element.getElementType() == IJavaElement.TYPE
|| element.getElementType() == IJavaElement.PACKAGE_FRAGMENT)
descriptor.setUpdateQualifiedNames(true);
else descriptor.setUpdateQualifiedNames(false);
descriptor.setUpdateReferences(true);
descriptor.setDeprecateDelegate(false);
descriptor.setRenameGetters(false);
descriptor.setRenameSetters(false);
descriptor.setKeepOriginal(false);
descriptor.setUpdateHierarchy(false);
descriptor.setUpdateSimilarDeclarations(false);
// [3] Fix: Eclipse will complain if the transformation is a no-op, but we don't want that:
if (element.getElementName().equals(this.new_name)) throw new NOPException();
System.err.println("[eclipse-rename] Computed descriptor.");
return descriptor;
}
private static boolean checkGlobalIdentifier(ASTNode locateNode) {
// check if it is a GLOBALS['a'] direction
if (locateNode.getType() == ASTNode.SCALAR) {
Scalar scalar = (Scalar) locateNode;
return checkGLOBALS(scalar);
}
// check if it is an identifier
if (locateNode.getType() != ASTNode.IDENTIFIER) {
return false;
}
final Identifier targetIdentifier = ((Identifier) locateNode);
ASTNode parent = locateNode.getParent();
if (parent == null || parent.getType() != ASTNode.VARIABLE) {
return false;
}
final Variable variable = (Variable) parent;
// if it is not a dollared variable - it is not a global one
if (!variable.isDollared() || variable.getParent().getType() == ASTNode.FIELD_DECLARATION) {
return false;
}
// ignore static memeber call
if (parent.getParent().getType() == ASTNode.STATIC_FIELD_ACCESS) {
final StaticFieldAccess staticFieldAccess = (StaticFieldAccess) parent.getParent();
if (staticFieldAccess.getMember() == variable) {
return false;
}
}
if (parent.getParent().getLocationInParent() == FieldsDeclaration.FIELDS_PROPERTY) {
return false;
}
// check if declared global in function
while (parent != null) {
// if the variable was used inside a function
if (parent.getType() == ASTNode.FUNCTION_DECLARATION) {
// global declaration detection
final int end = parent.getEnd();
class GlobalSeacher extends ApplyAll {
public int offset = end;
public boolean apply(ASTNode node) {
if (offset != end) {
return false;
}
if (node.getType() == ASTNode.GLOBAL_STATEMENT) {
GlobalStatement globalStatement = (GlobalStatement) node;
if (checkGlobal(targetIdentifier, globalStatement)) {
offset = globalStatement.getStart();
}
}
return true;
}
}
GlobalSeacher searchGlobal = new GlobalSeacher();
parent.accept(searchGlobal);
return searchGlobal.offset <= targetIdentifier.getStart();
}
parent = parent.getParent();
}
return true;
}
/**
* Identifies a constant use
*
* @param locateNode
* @return
*/
private static boolean isConstant(ASTNode locateNode) {
assert locateNode != null;
Scalar scalar = null;
// check if it is an identifier
if (locateNode.getType() != ASTNode.SCALAR) {
ASTNode parent = locateNode.getParent();
ASTNode node = null;
// php 5.3, the parent is NamespaceName
if (parent instanceof NamespaceName) {
node = parent.getParent().getParent();
} else { // non-php 5.3
node = parent.getParent();
}
// check if the node is 'define'
if ((locateNode instanceof Identifier)
&& "define".equals(((Identifier) locateNode).getName()) // $NON-NLS-1$
&& node instanceof FunctionInvocation) {
FunctionInvocation inv = (FunctionInvocation) node;
List<Expression> parameters = inv.parameters();
if (parameters != null && parameters.size() > 0) {
Expression param = parameters.get(0);
if (param instanceof Scalar) {
scalar = (Scalar) param;
} else {
return false;
}
}
} else {
return false;
}
} else {
scalar = (Scalar) locateNode;
}
// if it is not a dollared variable - it is not a global one
if (scalar == null
|| scalar.getScalarType() != Scalar.TYPE_STRING
|| scalar.getStringValue() == null) {
return false;
}
final int length = scalar.getStringValue().length() - 1;
final char charAtBegining = scalar.getStringValue().charAt(0);
final char charAtEnd = scalar.getStringValue().charAt(length);
if (!detectString(charAtEnd) && !detectString(charAtBegining)) {
return true;
}
// check if it is part of define
ASTNode previous = locateNode.getParent();
if (previous instanceof NamespaceName) {
previous = previous.getParent();
}
if (previous.getType() == ASTNode.FUNCTION_NAME) {
previous = previous.getParent();
}
if (previous.getType() != ASTNode.FUNCTION_INVOCATION) {
return false;
}
final FunctionInvocation functionInvocation = (FunctionInvocation) previous;
if (!(functionInvocation.getFunctionName().getName() instanceof Identifier)) {
return false;
}
final Identifier identifier = (Identifier) functionInvocation.getFunctionName().getName();
return "define".equalsIgnoreCase(identifier.getName())
|| "constant".equalsIgnoreCase(identifier.getName()); // $NON-NLS-1$ //$NON-NLS-2$
}