use of org.eclipse.jdt.internal.compiler.ast.Statement in project lombok by rzwitserloot.
the class HandleEqualsAndHashCode method createEquals.
public MethodDeclaration createEquals(EclipseNode type, Collection<EclipseNode> fields, boolean callSuper, ASTNode source, FieldAccess fieldAccess, boolean needsCanEqual, List<Annotation> onParam) {
int pS = source.sourceStart;
int pE = source.sourceEnd;
long p = (long) pS << 32 | pE;
MethodDeclaration method = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
setGeneratedBy(method, source);
method.modifiers = toEclipseModifier(AccessLevel.PUBLIC);
method.returnType = TypeReference.baseTypeReference(TypeIds.T_boolean, 0);
method.returnType.sourceStart = pS;
method.returnType.sourceEnd = pE;
setGeneratedBy(method.returnType, source);
method.annotations = new Annotation[] { makeMarkerAnnotation(TypeConstants.JAVA_LANG_OVERRIDE, source) };
method.selector = "equals".toCharArray();
method.thrownExceptions = null;
method.typeParameters = null;
method.bits |= Eclipse.ECLIPSE_DO_NOT_TOUCH_FLAG;
method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
TypeReference objectRef = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] { p, p, p });
setGeneratedBy(objectRef, source);
method.arguments = new Argument[] { new Argument(new char[] { 'o' }, 0, objectRef, Modifier.FINAL) };
method.arguments[0].sourceStart = pS;
method.arguments[0].sourceEnd = pE;
if (!onParam.isEmpty())
method.arguments[0].annotations = onParam.toArray(new Annotation[0]);
setGeneratedBy(method.arguments[0], source);
List<Statement> statements = new ArrayList<Statement>();
/* if (o == this) return true; */
{
SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
setGeneratedBy(oRef, source);
ThisReference thisRef = new ThisReference(pS, pE);
setGeneratedBy(thisRef, source);
EqualExpression otherEqualsThis = new EqualExpression(oRef, thisRef, OperatorIds.EQUAL_EQUAL);
setGeneratedBy(otherEqualsThis, source);
TrueLiteral trueLiteral = new TrueLiteral(pS, pE);
setGeneratedBy(trueLiteral, source);
ReturnStatement returnTrue = new ReturnStatement(trueLiteral, pS, pE);
setGeneratedBy(returnTrue, source);
IfStatement ifOtherEqualsThis = new IfStatement(otherEqualsThis, returnTrue, pS, pE);
setGeneratedBy(ifOtherEqualsThis, source);
statements.add(ifOtherEqualsThis);
}
/* if (!(o instanceof Outer.Inner.MyType) return false; */
{
SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
setGeneratedBy(oRef, source);
TypeReference typeReference = createTypeReference(type, p, source, false);
setGeneratedBy(typeReference, source);
InstanceOfExpression instanceOf = new InstanceOfExpression(oRef, typeReference);
instanceOf.sourceStart = pS;
instanceOf.sourceEnd = pE;
setGeneratedBy(instanceOf, source);
Expression notInstanceOf = new UnaryExpression(instanceOf, OperatorIds.NOT);
setGeneratedBy(notInstanceOf, source);
FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
setGeneratedBy(falseLiteral, source);
ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
setGeneratedBy(returnFalse, source);
IfStatement ifNotInstanceOf = new IfStatement(notInstanceOf, returnFalse, pS, pE);
setGeneratedBy(ifNotInstanceOf, source);
statements.add(ifNotInstanceOf);
}
char[] otherName = "other".toCharArray();
/* Outer.Inner.MyType<?> other = (Outer.Inner.MyType<?>) o; */
{
if (!fields.isEmpty() || needsCanEqual) {
LocalDeclaration other = new LocalDeclaration(otherName, pS, pE);
other.modifiers |= ClassFileConstants.AccFinal;
setGeneratedBy(other, source);
TypeReference targetType = createTypeReference(type, p, source, true);
setGeneratedBy(targetType, source);
other.type = createTypeReference(type, p, source, true);
setGeneratedBy(other.type, source);
NameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
setGeneratedBy(oRef, source);
other.initialization = makeCastExpression(oRef, targetType, source);
statements.add(other);
}
}
/* if (!other.canEqual((java.lang.Object) this)) return false; */
{
if (needsCanEqual) {
MessageSend otherCanEqual = new MessageSend();
otherCanEqual.sourceStart = pS;
otherCanEqual.sourceEnd = pE;
setGeneratedBy(otherCanEqual, source);
otherCanEqual.receiver = new SingleNameReference(otherName, p);
setGeneratedBy(otherCanEqual.receiver, source);
otherCanEqual.selector = "canEqual".toCharArray();
ThisReference thisReference = new ThisReference(pS, pE);
setGeneratedBy(thisReference, source);
CastExpression castThisRef = makeCastExpression(thisReference, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), source);
castThisRef.sourceStart = pS;
castThisRef.sourceEnd = pE;
otherCanEqual.arguments = new Expression[] { castThisRef };
Expression notOtherCanEqual = new UnaryExpression(otherCanEqual, OperatorIds.NOT);
setGeneratedBy(notOtherCanEqual, source);
FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
setGeneratedBy(falseLiteral, source);
ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
setGeneratedBy(returnFalse, source);
IfStatement ifNotCanEqual = new IfStatement(notOtherCanEqual, returnFalse, pS, pE);
setGeneratedBy(ifNotCanEqual, source);
statements.add(ifNotCanEqual);
}
}
/* if (!super.equals(o)) return false; */
if (callSuper) {
MessageSend callToSuper = new MessageSend();
callToSuper.sourceStart = pS;
callToSuper.sourceEnd = pE;
setGeneratedBy(callToSuper, source);
callToSuper.receiver = new SuperReference(pS, pE);
setGeneratedBy(callToSuper.receiver, source);
callToSuper.selector = "equals".toCharArray();
SingleNameReference oRef = new SingleNameReference(new char[] { 'o' }, p);
setGeneratedBy(oRef, source);
callToSuper.arguments = new Expression[] { oRef };
Expression superNotEqual = new UnaryExpression(callToSuper, OperatorIds.NOT);
setGeneratedBy(superNotEqual, source);
FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
setGeneratedBy(falseLiteral, source);
ReturnStatement returnFalse = new ReturnStatement(falseLiteral, pS, pE);
setGeneratedBy(returnFalse, source);
IfStatement ifSuperEquals = new IfStatement(superNotEqual, returnFalse, pS, pE);
setGeneratedBy(ifSuperEquals, source);
statements.add(ifSuperEquals);
}
for (EclipseNode field : fields) {
TypeReference fType = getFieldType(field, fieldAccess);
char[] token = fType.getLastToken();
Expression thisFieldAccessor = createFieldAccessor(field, fieldAccess, source);
Expression otherFieldAccessor = createFieldAccessor(field, fieldAccess, source, otherName);
if (fType.dimensions() == 0 && token != null) {
if (Arrays.equals(TypeConstants.FLOAT, token)) {
statements.add(generateCompareFloatOrDouble(thisFieldAccessor, otherFieldAccessor, "Float".toCharArray(), source));
} else if (Arrays.equals(TypeConstants.DOUBLE, token)) {
statements.add(generateCompareFloatOrDouble(thisFieldAccessor, otherFieldAccessor, "Double".toCharArray(), source));
} else if (BUILT_IN_TYPES.contains(new String(token))) {
EqualExpression fieldsNotEqual = new EqualExpression(thisFieldAccessor, otherFieldAccessor, OperatorIds.NOT_EQUAL);
setGeneratedBy(fieldsNotEqual, source);
FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
setGeneratedBy(falseLiteral, source);
ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
setGeneratedBy(returnStatement, source);
IfStatement ifStatement = new IfStatement(fieldsNotEqual, returnStatement, pS, pE);
setGeneratedBy(ifStatement, source);
statements.add(ifStatement);
} else /* objects */
{
/* final java.lang.Object this$fieldName = this.fieldName; */
/* final java.lang.Object other$fieldName = other.fieldName; */
/* if (this$fieldName == null ? other$fieldName != null : !this$fieldName.equals(other$fieldName)) return false; */
char[] thisDollarFieldName = ("this$" + field.getName()).toCharArray();
char[] otherDollarFieldName = ("other$" + field.getName()).toCharArray();
statements.add(createLocalDeclaration(source, thisDollarFieldName, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), thisFieldAccessor));
statements.add(createLocalDeclaration(source, otherDollarFieldName, generateQualifiedTypeRef(source, TypeConstants.JAVA_LANG_OBJECT), otherFieldAccessor));
SingleNameReference this1 = new SingleNameReference(thisDollarFieldName, p);
setGeneratedBy(this1, source);
SingleNameReference this2 = new SingleNameReference(thisDollarFieldName, p);
setGeneratedBy(this2, source);
SingleNameReference other1 = new SingleNameReference(otherDollarFieldName, p);
setGeneratedBy(other1, source);
SingleNameReference other2 = new SingleNameReference(otherDollarFieldName, p);
setGeneratedBy(other2, source);
NullLiteral nullLiteral = new NullLiteral(pS, pE);
setGeneratedBy(nullLiteral, source);
EqualExpression fieldIsNull = new EqualExpression(this1, nullLiteral, OperatorIds.EQUAL_EQUAL);
nullLiteral = new NullLiteral(pS, pE);
setGeneratedBy(nullLiteral, source);
EqualExpression otherFieldIsntNull = new EqualExpression(other1, nullLiteral, OperatorIds.NOT_EQUAL);
MessageSend equalsCall = new MessageSend();
equalsCall.sourceStart = pS;
equalsCall.sourceEnd = pE;
setGeneratedBy(equalsCall, source);
equalsCall.receiver = this2;
equalsCall.selector = "equals".toCharArray();
equalsCall.arguments = new Expression[] { other2 };
UnaryExpression fieldsNotEqual = new UnaryExpression(equalsCall, OperatorIds.NOT);
fieldsNotEqual.sourceStart = pS;
fieldsNotEqual.sourceEnd = pE;
setGeneratedBy(fieldsNotEqual, source);
ConditionalExpression fullEquals = new ConditionalExpression(fieldIsNull, otherFieldIsntNull, fieldsNotEqual);
fullEquals.sourceStart = pS;
fullEquals.sourceEnd = pE;
setGeneratedBy(fullEquals, source);
FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
setGeneratedBy(falseLiteral, source);
ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
setGeneratedBy(returnStatement, source);
IfStatement ifStatement = new IfStatement(fullEquals, returnStatement, pS, pE);
setGeneratedBy(ifStatement, source);
statements.add(ifStatement);
}
} else if (fType.dimensions() > 0 && token != null) {
MessageSend arraysEqualCall = new MessageSend();
arraysEqualCall.sourceStart = pS;
arraysEqualCall.sourceEnd = pE;
setGeneratedBy(arraysEqualCall, source);
arraysEqualCall.receiver = generateQualifiedNameRef(source, TypeConstants.JAVA, TypeConstants.UTIL, "Arrays".toCharArray());
if (fType.dimensions() > 1 || !BUILT_IN_TYPES.contains(new String(token))) {
arraysEqualCall.selector = "deepEquals".toCharArray();
} else {
arraysEqualCall.selector = "equals".toCharArray();
}
arraysEqualCall.arguments = new Expression[] { thisFieldAccessor, otherFieldAccessor };
UnaryExpression arraysNotEqual = new UnaryExpression(arraysEqualCall, OperatorIds.NOT);
arraysNotEqual.sourceStart = pS;
arraysNotEqual.sourceEnd = pE;
setGeneratedBy(arraysNotEqual, source);
FalseLiteral falseLiteral = new FalseLiteral(pS, pE);
setGeneratedBy(falseLiteral, source);
ReturnStatement returnStatement = new ReturnStatement(falseLiteral, pS, pE);
setGeneratedBy(returnStatement, source);
IfStatement ifStatement = new IfStatement(arraysNotEqual, returnStatement, pS, pE);
setGeneratedBy(ifStatement, source);
statements.add(ifStatement);
}
}
/* return true; */
{
TrueLiteral trueLiteral = new TrueLiteral(pS, pE);
setGeneratedBy(trueLiteral, source);
ReturnStatement returnStatement = new ReturnStatement(trueLiteral, pS, pE);
setGeneratedBy(returnStatement, source);
statements.add(returnStatement);
}
method.statements = statements.toArray(new Statement[statements.size()]);
return method;
}
use of org.eclipse.jdt.internal.compiler.ast.Statement in project lombok by rzwitserloot.
the class HandleSetter method createSetter.
static MethodDeclaration createSetter(TypeDeclaration parent, boolean deprecate, EclipseNode fieldNode, String name, char[] booleanFieldToSet, boolean shouldReturnThis, int modifier, EclipseNode sourceNode, List<Annotation> onMethod, List<Annotation> onParam) {
FieldDeclaration field = (FieldDeclaration) fieldNode.get();
ASTNode source = sourceNode.get();
int pS = source.sourceStart, pE = source.sourceEnd;
long p = (long) pS << 32 | pE;
MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
method.modifiers = modifier;
if (shouldReturnThis) {
method.returnType = cloneSelfType(fieldNode, source);
}
if (method.returnType == null) {
method.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0);
method.returnType.sourceStart = pS;
method.returnType.sourceEnd = pE;
shouldReturnThis = false;
}
Annotation[] deprecated = null;
if (isFieldDeprecated(fieldNode) || deprecate) {
deprecated = new Annotation[] { generateDeprecatedAnnotation(source) };
}
method.annotations = copyAnnotations(source, onMethod.toArray(new Annotation[0]), deprecated);
Argument param = new Argument(field.name, p, copyType(field.type, source), Modifier.FINAL);
param.sourceStart = pS;
param.sourceEnd = pE;
method.arguments = new Argument[] { param };
method.selector = name.toCharArray();
method.binding = null;
method.thrownExceptions = null;
method.typeParameters = null;
method.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
Expression fieldRef = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source);
NameReference fieldNameRef = new SingleNameReference(field.name, p);
Assignment assignment = new Assignment(fieldRef, fieldNameRef, (int) p);
assignment.sourceStart = pS;
assignment.sourceEnd = assignment.statementEnd = pE;
method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart;
method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd;
Annotation[] nonNulls = findAnnotations(field, NON_NULL_PATTERN);
Annotation[] nullables = findAnnotations(field, NULLABLE_PATTERN);
List<Statement> statements = new ArrayList<Statement>(5);
if (nonNulls.length == 0) {
statements.add(assignment);
} else {
Statement nullCheck = generateNullCheck(field, sourceNode);
if (nullCheck != null)
statements.add(nullCheck);
statements.add(assignment);
}
if (booleanFieldToSet != null) {
statements.add(new Assignment(new SingleNameReference(booleanFieldToSet, p), new TrueLiteral(pS, pE), pE));
}
if (shouldReturnThis) {
ThisReference thisRef = new ThisReference(pS, pE);
ReturnStatement returnThis = new ReturnStatement(thisRef, pS, pE);
statements.add(returnThis);
}
method.statements = statements.toArray(new Statement[0]);
param.annotations = copyAnnotations(source, nonNulls, nullables, onParam.toArray(new Annotation[0]));
method.traverse(new SetGeneratedByVisitor(source), parent.scope);
return method;
}
use of org.eclipse.jdt.internal.compiler.ast.Statement in project lombok by rzwitserloot.
the class HandleSneakyThrows method handleMethod.
// private boolean handleField(Node annotation, FieldDeclaration field, List<DeclaredException> exceptions) {
// if (field.initialization == null) {
// annotation.addError("@SneakyThrows can only be used on fields with an initialization statement.");
// return true;
// }
//
// Expression expression = field.initialization;
// Statement[] content = new Statement[] {new Assignment(
// new SingleNameReference(field.name, 0), expression, 0)};
// field.initialization = null;
//
// for (DeclaredException exception : exceptions) {
// content = new Statement[] { buildTryCatchBlock(content, exception) };
// }
//
// Block block = new Block(0);
// block.statements = content;
//
// Node typeNode = annotation.up().up();
//
// Initializer initializer = new Initializer(block, field.modifiers & Modifier.STATIC);
// initializer.sourceStart = expression.sourceStart;
// initializer.sourceEnd = expression.sourceEnd;
// initializer.declarationSourceStart = expression.sourceStart;
// initializer.declarationSourceEnd = expression.sourceEnd;
// injectField(typeNode, initializer);
//
// typeNode.rebuild();
//
// return true;
// }
public void handleMethod(EclipseNode annotation, AbstractMethodDeclaration method, List<DeclaredException> exceptions) {
if (method.isAbstract()) {
annotation.addError("@SneakyThrows can only be used on concrete methods.");
return;
}
if (method.statements == null || method.statements.length == 0) {
boolean hasConstructorCall = false;
if (method instanceof ConstructorDeclaration) {
ExplicitConstructorCall constructorCall = ((ConstructorDeclaration) method).constructorCall;
hasConstructorCall = constructorCall != null && !constructorCall.isImplicitSuper() && !constructorCall.isImplicitThis();
}
if (hasConstructorCall) {
annotation.addWarning("Calls to sibling / super constructors are always excluded from @SneakyThrows; @SneakyThrows has been ignored because there is no other code in this constructor.");
} else {
annotation.addWarning("This method or constructor is empty; @SneakyThrows has been ignored.");
}
return;
}
Statement[] contents = method.statements;
for (DeclaredException exception : exceptions) {
contents = new Statement[] { buildTryCatchBlock(contents, exception, exception.node, method) };
}
method.statements = contents;
annotation.up().rebuild();
}
use of org.eclipse.jdt.internal.compiler.ast.Statement in project lombok by rzwitserloot.
the class HandleBuilder method generateBuildMethod.
public MethodDeclaration generateBuildMethod(EclipseNode tdParent, boolean isStatic, String name, char[] staticName, TypeReference returnType, List<BuilderFieldData> builderFields, EclipseNode type, TypeReference[] thrownExceptions, boolean addCleaning, ASTNode source) {
MethodDeclaration out = new MethodDeclaration(((CompilationUnitDeclaration) type.top().get()).compilationResult);
out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
List<Statement> statements = new ArrayList<Statement>();
if (addCleaning) {
FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
thisUnclean.receiver = new ThisReference(0, 0);
Expression notClean = new UnaryExpression(thisUnclean, OperatorIds.NOT);
MessageSend invokeClean = new MessageSend();
invokeClean.selector = CLEAN_METHOD_NAME;
statements.add(new IfStatement(notClean, invokeClean, 0, 0));
}
for (BuilderFieldData bfd : builderFields) {
if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) {
bfd.singularData.getSingularizer().appendBuildCode(bfd.singularData, type, statements, bfd.name);
}
}
List<Expression> args = new ArrayList<Expression>();
for (BuilderFieldData bfd : builderFields) {
if (bfd.nameOfSetFlag != null) {
MessageSend inv = new MessageSend();
inv.sourceStart = source.sourceStart;
inv.sourceEnd = source.sourceEnd;
inv.receiver = new SingleNameReference(((TypeDeclaration) tdParent.get()).name, 0L);
inv.selector = bfd.nameOfDefaultProvider;
inv.typeArguments = typeParameterNames(((TypeDeclaration) type.get()).typeParameters);
args.add(new ConditionalExpression(new SingleNameReference(bfd.nameOfSetFlag, 0L), new SingleNameReference(bfd.name, 0L), inv));
} else {
args.add(new SingleNameReference(bfd.name, 0L));
}
}
if (addCleaning) {
FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0);
thisUnclean.receiver = new ThisReference(0, 0);
statements.add(new Assignment(thisUnclean, new TrueLiteral(0, 0), 0));
}
out.modifiers = ClassFileConstants.AccPublic;
out.selector = name.toCharArray();
out.thrownExceptions = copyTypes(thrownExceptions);
out.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG;
out.returnType = returnType;
if (staticName == null) {
AllocationExpression allocationStatement = new AllocationExpression();
allocationStatement.type = copyType(out.returnType);
allocationStatement.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
statements.add(new ReturnStatement(allocationStatement, 0, 0));
} else {
MessageSend invoke = new MessageSend();
invoke.selector = staticName;
if (isStatic)
invoke.receiver = new SingleNameReference(type.up().getName().toCharArray(), 0);
else
invoke.receiver = new QualifiedThisReference(new SingleTypeReference(type.up().getName().toCharArray(), 0), 0, 0);
invoke.typeArguments = typeParameterNames(((TypeDeclaration) type.get()).typeParameters);
invoke.arguments = args.isEmpty() ? null : args.toArray(new Expression[args.size()]);
if (returnType instanceof SingleTypeReference && Arrays.equals(TypeConstants.VOID, ((SingleTypeReference) returnType).token)) {
statements.add(invoke);
} else {
statements.add(new ReturnStatement(invoke, 0, 0));
}
}
out.statements = statements.isEmpty() ? null : statements.toArray(new Statement[statements.size()]);
out.traverse(new SetGeneratedByVisitor(source), (ClassScope) null);
return out;
}
use of org.eclipse.jdt.internal.compiler.ast.Statement in project lombok by rzwitserloot.
the class HandleCleanup method handle.
public void handle(AnnotationValues<Cleanup> annotation, Annotation ast, EclipseNode annotationNode) {
handleFlagUsage(annotationNode, ConfigurationKeys.CLEANUP_FLAG_USAGE, "@Cleanup");
String cleanupName = annotation.getInstance().value();
if (cleanupName.length() == 0) {
annotationNode.addError("cleanupName cannot be the empty string.");
return;
}
if (annotationNode.up().getKind() != Kind.LOCAL) {
annotationNode.addError("@Cleanup is legal only on local variable declarations.");
return;
}
LocalDeclaration decl = (LocalDeclaration) annotationNode.up().get();
if (decl.initialization == null) {
annotationNode.addError("@Cleanup variable declarations need to be initialized.");
return;
}
EclipseNode ancestor = annotationNode.up().directUp();
ASTNode blockNode = ancestor.get();
final boolean isSwitch;
final Statement[] statements;
if (blockNode instanceof AbstractMethodDeclaration) {
isSwitch = false;
statements = ((AbstractMethodDeclaration) blockNode).statements;
} else if (blockNode instanceof Block) {
isSwitch = false;
statements = ((Block) blockNode).statements;
} else if (blockNode instanceof SwitchStatement) {
isSwitch = true;
statements = ((SwitchStatement) blockNode).statements;
} else {
annotationNode.addError("@Cleanup is legal only on a local variable declaration inside a block.");
return;
}
if (statements == null) {
annotationNode.addError("LOMBOK BUG: Parent block does not contain any statements.");
return;
}
int start = 0;
for (; start < statements.length; start++) {
if (statements[start] == decl)
break;
}
if (start == statements.length) {
annotationNode.addError("LOMBOK BUG: Can't find this local variable declaration inside its parent.");
return;
}
// We start with try{} *AFTER* the var declaration.
start++;
int end;
if (isSwitch) {
end = start + 1;
for (; end < statements.length; end++) {
if (statements[end] instanceof CaseStatement) {
break;
}
}
} else
end = statements.length;
// At this point:
// start-1 = Local Declaration marked with @Cleanup
// start = first instruction that needs to be wrapped into a try block
// end = last instruction of the scope -OR- last instruction before the next case label in switch statements.
// hence:
// [start, end) = statements for the try block.
Statement[] tryBlock = new Statement[end - start];
System.arraycopy(statements, start, tryBlock, 0, end - start);
// Remove the stuff we just dumped into the tryBlock, and then leave room for the try node.
// Remove room for every statement moved into try block...
int newStatementsLength = statements.length - (end - start);
// But add room for the TryStatement node itself.
newStatementsLength += 1;
Statement[] newStatements = new Statement[newStatementsLength];
// copy all statements before the try block verbatim.
System.arraycopy(statements, 0, newStatements, 0, start);
// For switch statements.
System.arraycopy(statements, end, newStatements, start + 1, statements.length - end);
doAssignmentCheck(annotationNode, tryBlock, decl.name);
TryStatement tryStatement = new TryStatement();
setGeneratedBy(tryStatement, ast);
tryStatement.tryBlock = new Block(0);
tryStatement.tryBlock.statements = tryBlock;
setGeneratedBy(tryStatement.tryBlock, ast);
// Positions for in-method generated nodes are special
int ss = decl.declarationSourceEnd + 1;
int se = ss;
if (tryBlock.length > 0) {
// +1 for the closing semicolon. Yes, there could be spaces. Bummer.
se = tryBlock[tryBlock.length - 1].sourceEnd + 1;
tryStatement.sourceStart = ss;
tryStatement.sourceEnd = se;
tryStatement.tryBlock.sourceStart = ss;
tryStatement.tryBlock.sourceEnd = se;
}
newStatements[start] = tryStatement;
Statement[] finallyBlock = new Statement[1];
MessageSend unsafeClose = new MessageSend();
setGeneratedBy(unsafeClose, ast);
unsafeClose.sourceStart = ast.sourceStart;
unsafeClose.sourceEnd = ast.sourceEnd;
SingleNameReference receiver = new SingleNameReference(decl.name, 0);
setGeneratedBy(receiver, ast);
unsafeClose.receiver = receiver;
long nameSourcePosition = (long) ast.sourceStart << 32 | ast.sourceEnd;
if (ast.memberValuePairs() != null)
for (MemberValuePair pair : ast.memberValuePairs()) {
if (pair.name != null && new String(pair.name).equals("value")) {
nameSourcePosition = (long) pair.value.sourceStart << 32 | pair.value.sourceEnd;
break;
}
}
unsafeClose.nameSourcePosition = nameSourcePosition;
unsafeClose.selector = cleanupName.toCharArray();
int pS = ast.sourceStart, pE = ast.sourceEnd;
long p = (long) pS << 32 | pE;
SingleNameReference varName = new SingleNameReference(decl.name, p);
setGeneratedBy(varName, ast);
NullLiteral nullLiteral = new NullLiteral(pS, pE);
setGeneratedBy(nullLiteral, ast);
MessageSend preventNullAnalysis = preventNullAnalysis(ast, varName);
EqualExpression equalExpression = new EqualExpression(preventNullAnalysis, nullLiteral, OperatorIds.NOT_EQUAL);
equalExpression.sourceStart = pS;
equalExpression.sourceEnd = pE;
setGeneratedBy(equalExpression, ast);
Block closeBlock = new Block(0);
closeBlock.statements = new Statement[1];
closeBlock.statements[0] = unsafeClose;
setGeneratedBy(closeBlock, ast);
IfStatement ifStatement = new IfStatement(equalExpression, closeBlock, 0, 0);
setGeneratedBy(ifStatement, ast);
finallyBlock[0] = ifStatement;
tryStatement.finallyBlock = new Block(0);
// Positions for in-method generated nodes are special
if (!isSwitch) {
tryStatement.finallyBlock.sourceStart = blockNode.sourceEnd;
tryStatement.finallyBlock.sourceEnd = blockNode.sourceEnd;
}
setGeneratedBy(tryStatement.finallyBlock, ast);
tryStatement.finallyBlock.statements = finallyBlock;
tryStatement.catchArguments = null;
tryStatement.catchBlocks = null;
if (blockNode instanceof AbstractMethodDeclaration) {
((AbstractMethodDeclaration) blockNode).statements = newStatements;
} else if (blockNode instanceof Block) {
((Block) blockNode).statements = newStatements;
} else if (blockNode instanceof SwitchStatement) {
((SwitchStatement) blockNode).statements = newStatements;
}
ancestor.rebuild();
}
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