public void visitClosure(GrClosableBlock closure) {
// do not go inside closures except gstring injections
if (closure.getParent() instanceof GrStringInjection) {
for (GrParameter parameter : closure.getAllParameters()) {
if (myPolicy.isVariableInitialized(parameter)) {
addNode(new ReadWriteVariableInstruction(parameter.getName(), parameter, WRITE));
}
}
addNode(new ReadWriteVariableInstruction("owner", closure.getLBrace(), WRITE));
super.visitClosure(closure);
return;
}
ReadWriteVariableInstruction[] reads =
ControlFlowBuilderUtil.getReadsWithoutPriorWrites(closure.getControlFlow(), false);
for (ReadWriteVariableInstruction read : reads) {
PsiElement element = read.getElement();
if (!(element instanceof GrReferenceExpression)
|| myPolicy.isReferenceAccepted((GrReferenceExpression) element)) {
addNodeAndCheckPending(
new ReadWriteVariableInstruction(read.getVariableName(), closure, READ));
}
}
addNodeAndCheckPending(new InstructionImpl(closure));
}
public static GrMethod generateDelegate(
PsiMethod prototype, IntroduceParameterData.ExpressionWrapper initializer, Project project) {
final GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(project);
GrMethod result;
if (prototype instanceof GrMethod) {
result = (GrMethod) prototype.copy();
} else {
StringBuilder builder = new StringBuilder();
builder.append(prototype.getModifierList().getText()).append(' ');
if (prototype.getReturnTypeElement() != null) {
builder.append(prototype.getReturnTypeElement().getText());
}
builder.append(' ').append(prototype.getName());
builder.append(prototype.getParameterList().getText());
builder.append("{}");
result = factory.createMethodFromText(builder.toString());
}
StringBuilder call = new StringBuilder();
call.append("def foo(){\n");
final GrParameter[] parameters = result.getParameters();
call.append(prototype.getName());
if (initializer.getExpression() instanceof GrClosableBlock) {
if (parameters.length > 0) {
call.append('(');
for (GrParameter parameter : parameters) {
call.append(parameter.getName()).append(", ");
}
call.replace(call.length() - 2, call.length(), ")");
}
call.append(initializer.getText());
} else {
call.append('(');
for (GrParameter parameter : parameters) {
call.append(parameter.getName()).append(", ");
}
call.append(initializer.getText());
call.append(")");
}
call.append("\n}");
final GrOpenBlock block = factory.createMethodFromText(call.toString()).getBlock();
result.getBlock().replace(block);
final PsiElement parent = prototype.getParent();
final GrMethod method = (GrMethod) parent.addBefore(result, prototype);
GrReferenceAdjuster.shortenReferences(method);
return method;
}
@Nullable
private ExceptionInfo findCatch(PsiType thrownType) {
final Iterator<ExceptionInfo> iterator = myCaughtExceptionInfos.descendingIterator();
while (iterator.hasNext()) {
final ExceptionInfo info = iterator.next();
final GrCatchClause clause = info.myClause;
final GrParameter parameter = clause.getParameter();
if (parameter != null) {
final PsiType type = parameter.getType();
if (type.isAssignableFrom(thrownType)) return info;
}
}
return null;
}
private static boolean parametersAreEquivalent(
@Nullable GrParameter parameter1, @Nullable GrParameter parameter2) {
if (parameter1 == null || parameter2 == null) {
return false;
}
final PsiType type1 = parameter1.getType();
final PsiType type2 = parameter2.getType();
if (!typesAreEquivalent(type1, type2)) {
return false;
}
final String name1 = parameter1.getName();
final String name2 = parameter2.getName();
if (name1 == null) {
return name2 == null;
}
return name1.equals(name2);
}
public void visitOpenBlock(GrOpenBlock block) {
final PsiElement parent = block.getParent();
final PsiElement lbrace = block.getLBrace();
if (lbrace != null && parent instanceof GrMethod) {
for (GrParameter parameter : ((GrMethod) parent).getParameters()) {
if (myPolicy.isVariableInitialized(parameter)) {
addNode(new ReadWriteVariableInstruction(parameter.getName(), parameter, WRITE));
}
}
}
super.visitOpenBlock(block);
if (!(block.getParent() instanceof GrBlockStatement
&& block.getParent().getParent() instanceof GrLoopStatement)) {
final GrStatement[] statements = block.getStatements();
if (statements.length > 0) {
handlePossibleReturn(statements[statements.length - 1]);
}
}
}
@Override
@NotNull
public Map<String, NamedArgumentDescriptor> getNamedParameters() {
final GrMethodStub stub = getStub();
if (stub != null) {
String[] namedParameters = stub.getNamedParameters();
if (namedParameters.length == 0) return Collections.emptyMap();
Map<String, NamedArgumentDescriptor> result = ContainerUtil.newHashMap();
for (String parameter : namedParameters) {
result.put(parameter, GrNamedArgumentSearchVisitor.CODE_NAMED_ARGUMENTS_DESCR);
}
return result;
}
GrOpenBlock body = getBlock();
if (body == null) return Collections.emptyMap();
GrParameter[] parameters = getParameters();
if (parameters.length == 0) return Collections.emptyMap();
GrParameter firstParameter = parameters[0];
PsiType type = firstParameter.getTypeGroovy();
GrTypeElement typeElement = firstParameter.getTypeElementGroovy();
// equalsToText can't be called here because of stub creating
if (type != null
&& typeElement != null
&& type.getPresentableText() != null
&& !type.getPresentableText().endsWith("Map")) {
return Collections.emptyMap();
}
GrNamedArgumentSearchVisitor visitor =
new GrNamedArgumentSearchVisitor(firstParameter.getNameIdentifierGroovy().getText());
body.accept(visitor);
return visitor.getResult();
}
private void buildFlowForClosure(final GrClosableBlock closure) {
for (GrParameter parameter : closure.getAllParameters()) {
if (myPolicy.isVariableInitialized(parameter)) {
addNode(new ReadWriteVariableInstruction(parameter.getName(), parameter, WRITE));
}
}
addNode(new ReadWriteVariableInstruction("owner", closure.getLBrace(), WRITE));
PsiElement child = closure.getFirstChild();
while (child != null) {
if (child instanceof GroovyPsiElement) {
((GroovyPsiElement) child).accept(this);
}
child = child.getNextSibling();
}
final GrStatement[] statements = closure.getStatements();
if (statements.length > 0) {
handlePossibleReturn(statements[statements.length - 1]);
}
}
public static boolean isMainMethod(GrMethod method) {
if (!method.getName().equals(MAIN_METHOD)) return false;
else if (!method.hasModifierProperty(PsiModifier.STATIC)) return false;
final GrParameter[] parameters = method.getParameters();
if (parameters.length == 0) return false;
if (parameters.length == 1 && parameters[0].getTypeElementGroovy() == null) return true;
int args_count = 0;
int optional_count = 0;
for (GrParameter p : parameters) {
final GrTypeElement declaredType = p.getTypeElementGroovy();
if ((declaredType == null
|| declaredType.getType().equalsToText(CommonClassNames.JAVA_LANG_STRING + "[]"))
&& p.getInitializerGroovy() == null) {
args_count++;
}
if (p.getInitializerGroovy() != null) optional_count++;
}
return optional_count == parameters.length - 1 && args_count == 1;
}
public void generateCodeBlock(GrCodeBlock block, boolean shouldInsertReturnNull) {
builder.append("{");
GrParameter[] parameters;
if (block.getParent() instanceof GrMethod) {
GrMethod method = (GrMethod) block.getParent();
parameters = method.getParameters();
} else if (block instanceof GrClosableBlock) {
parameters = ((GrClosableBlock) block).getAllParameters();
} else {
parameters = GrParameter.EMPTY_ARRAY;
}
for (GrParameter parameter : parameters) {
if (context.analyzedVars.toWrap(parameter)) {
StringBuilder typeText =
new StringBuilder().append(GroovyCommonClassNames.GROOVY_LANG_REFERENCE);
writeTypeParameters(
typeText,
new PsiType[] {context.typeProvider.getParameterType(parameter)},
parameter,
new GeneratorClassNameProvider());
builder
.append("final ")
.append(typeText)
.append(' ')
.append(context.analyzedVars.toVarName(parameter))
.append(" = new ")
.append(typeText)
.append('(')
.append(parameter.getName())
.append(");\n");
}
}
visitStatementOwner(block, shouldInsertReturnNull);
builder.append("}\n");
}
public void visitTryStatement(GrTryCatchStatement tryCatchStatement) {
final GrOpenBlock tryBlock = tryCatchStatement.getTryBlock();
final GrCatchClause[] catchClauses = tryCatchStatement.getCatchClauses();
final GrFinallyClause finallyClause = tryCatchStatement.getFinallyClause();
for (int i = catchClauses.length - 1; i >= 0; i--) {
myCaughtExceptionInfos.push(new ExceptionInfo(catchClauses[i]));
}
if (finallyClause != null) myFinallyCount++;
List<Pair<InstructionImpl, GroovyPsiElement>> oldPending = null;
if (finallyClause != null) {
oldPending = myPending;
myPending = new ArrayList<Pair<InstructionImpl, GroovyPsiElement>>();
}
InstructionImpl tryBegin = startNode(tryBlock);
tryBlock.accept(this);
InstructionImpl tryEnd = myHead;
finishNode(tryBegin);
Set<Pair<InstructionImpl, GroovyPsiElement>> pendingAfterTry =
new LinkedHashSet<Pair<InstructionImpl, GroovyPsiElement>>(myPending);
@SuppressWarnings("unchecked")
List<InstructionImpl>[] throwers = new List[catchClauses.length];
for (int i = 0; i < catchClauses.length; i++) {
throwers[i] = myCaughtExceptionInfos.pop().myThrowers;
}
InstructionImpl[] catches = new InstructionImpl[catchClauses.length];
for (int i = 0; i < catchClauses.length; i++) {
interruptFlow();
final InstructionImpl catchBeg = startNode(catchClauses[i]);
for (InstructionImpl thrower : throwers[i]) {
addEdge(thrower, catchBeg);
}
final GrParameter parameter = catchClauses[i].getParameter();
if (parameter != null && myPolicy.isVariableInitialized(parameter)) {
addNode(new ReadWriteVariableInstruction(parameter.getName(), parameter, WRITE));
}
catchClauses[i].accept(this);
catches[i] = myHead;
finishNode(catchBeg);
}
pendingAfterTry.addAll(myPending);
myPending = new ArrayList<Pair<InstructionImpl, GroovyPsiElement>>(pendingAfterTry);
if (finallyClause != null) {
myFinallyCount--;
interruptFlow();
final InstructionImpl finallyInstruction = startNode(finallyClause, false);
Set<AfterCallInstruction> postCalls = new LinkedHashSet<AfterCallInstruction>();
final List<Pair<InstructionImpl, GroovyPsiElement>> copy = myPending;
myPending = new ArrayList<Pair<InstructionImpl, GroovyPsiElement>>();
for (Pair<InstructionImpl, GroovyPsiElement> pair : copy) {
postCalls.add(addCallNode(finallyInstruction, pair.getSecond(), pair.getFirst()));
}
if (tryEnd != null) {
postCalls.add(addCallNode(finallyInstruction, tryCatchStatement, tryEnd));
}
for (InstructionImpl catchEnd : catches) {
if (catchEnd != null) {
postCalls.add(addCallNode(finallyInstruction, tryCatchStatement, catchEnd));
}
}
// save added postcalls into separate list because we don't want returnInstruction grabbed
// their pending edges
List<Pair<InstructionImpl, GroovyPsiElement>> pendingPostCalls = myPending;
myPending = new ArrayList<Pair<InstructionImpl, GroovyPsiElement>>();
myHead = finallyInstruction;
finallyClause.accept(this);
final ReturnInstruction returnInstruction = new ReturnInstruction(finallyClause);
for (AfterCallInstruction postCall : postCalls) {
postCall.setReturnInstruction(returnInstruction);
addEdge(returnInstruction, postCall);
}
addNodeAndCheckPending(returnInstruction);
interruptFlow();
finishNode(finallyInstruction);
if (oldPending == null) {
error();
}
oldPending.addAll(pendingPostCalls);
myPending = oldPending;
} else {
if (tryEnd != null) {
addPendingEdge(tryCatchStatement, tryEnd);
}
for (InstructionImpl catchEnd : catches) {
addPendingEdge(tryBlock, catchEnd);
}
}
}
public void visitParameter(GrParameter parameter) {
if (parameter.getParent() instanceof GrForClause) {
visitVariable(parameter);
}
}
private static boolean processPrimaryMethodInner(
JavaChangeInfo changeInfo, GrMethod method, @Nullable PsiMethod baseMethod) {
if (changeInfo.isNameChanged()) {
String newName =
baseMethod == null
? changeInfo.getNewName()
: RefactoringUtil.suggestNewOverriderName(
method.getName(), baseMethod.getName(), changeInfo.getNewName());
if (newName != null && !newName.equals(method.getName())) {
method.setName(changeInfo.getNewName());
}
}
final GrModifierList modifierList = method.getModifierList();
if (changeInfo.isVisibilityChanged()) {
modifierList.setModifierProperty(changeInfo.getNewVisibility(), true);
}
PsiSubstitutor substitutor =
baseMethod != null ? calculateSubstitutor(method, baseMethod) : PsiSubstitutor.EMPTY;
final PsiMethod context = changeInfo.getMethod();
GrTypeElement oldReturnTypeElement = method.getReturnTypeElementGroovy();
if (changeInfo.isReturnTypeChanged()) {
CanonicalTypes.Type newReturnType = changeInfo.getNewReturnType();
if (newReturnType == null) {
if (oldReturnTypeElement != null) {
oldReturnTypeElement.delete();
if (modifierList.getModifiers().length == 0) {
modifierList.setModifierProperty(GrModifier.DEF, true);
}
}
} else {
PsiType type = newReturnType.getType(context, method.getManager());
GrReferenceAdjuster.shortenAllReferencesIn(
method.setReturnType(substitutor.substitute(type)));
if (oldReturnTypeElement == null) {
modifierList.setModifierProperty(GrModifier.DEF, false);
}
}
}
JavaParameterInfo[] newParameters = changeInfo.getNewParameters();
final GrParameterList parameterList = method.getParameterList();
GrParameter[] oldParameters = parameterList.getParameters();
final PsiParameter[] oldBaseParams =
baseMethod != null ? baseMethod.getParameterList().getParameters() : null;
Set<GrParameter> toRemove = new HashSet<GrParameter>(oldParameters.length);
ContainerUtil.addAll(toRemove, oldParameters);
GrParameter anchor = null;
final GrDocComment docComment = method.getDocComment();
final GrDocTag[] tags = docComment == null ? null : docComment.getTags();
for (JavaParameterInfo newParameter : newParameters) {
// if old parameter name differs from base method parameter name we don't change it
final String newName;
final int oldIndex = newParameter.getOldIndex();
if (oldIndex >= 0 && oldBaseParams != null) {
final String oldName = oldParameters[oldIndex].getName();
if (oldName.equals(oldBaseParams[oldIndex].getName())) {
newName = newParameter.getName();
} else {
newName = oldName;
}
} else {
newName = newParameter.getName();
}
final GrParameter oldParameter = oldIndex >= 0 ? oldParameters[oldIndex] : null;
if (docComment != null && oldParameter != null) {
final String oldName = oldParameter.getName();
for (GrDocTag tag : tags) {
if ("@param".equals(tag.getName())) {
final GrDocParameterReference parameterReference = tag.getDocParameterReference();
if (parameterReference != null && oldName.equals(parameterReference.getText())) {
parameterReference.handleElementRename(newName);
}
}
}
}
GrParameter grParameter =
createNewParameter(substitutor, context, parameterList, newParameter, newName);
if (oldParameter != null) {
grParameter.getModifierList().replace(oldParameter.getModifierList());
}
if ("def".equals(newParameter.getTypeText())) {
grParameter.getModifierList().setModifierProperty(GrModifier.DEF, true);
} else if (StringUtil.isEmpty(newParameter.getTypeText())) {
grParameter.getModifierList().setModifierProperty(GrModifier.DEF, false);
}
anchor = (GrParameter) parameterList.addAfter(grParameter, anchor);
}
for (GrParameter oldParameter : toRemove) {
oldParameter.delete();
}
JavaCodeStyleManager.getInstance(parameterList.getProject())
.shortenClassReferences(parameterList);
CodeStyleManager.getInstance(parameterList.getProject()).reformat(parameterList);
if (changeInfo.isExceptionSetOrOrderChanged()) {
final ThrownExceptionInfo[] infos = changeInfo.getNewExceptions();
PsiClassType[] exceptionTypes = new PsiClassType[infos.length];
for (int i = 0; i < infos.length; i++) {
ThrownExceptionInfo info = infos[i];
exceptionTypes[i] = (PsiClassType) info.createType(method, method.getManager());
}
PsiReferenceList thrownList =
GroovyPsiElementFactory.getInstance(method.getProject()).createThrownList(exceptionTypes);
thrownList = (PsiReferenceList) method.getThrowsList().replace(thrownList);
JavaCodeStyleManager.getInstance(thrownList.getProject()).shortenClassReferences(thrownList);
CodeStyleManager.getInstance(method.getProject()).reformat(method.getThrowsList());
}
return true;
}