/*
* Record a statement - regular method should have been created a block body
*/
public RecoveredElement add(Statement statement, int bracketBalanceValue) {
this.resetPendingModifiers();
/* do not consider a type starting passed the type end (if set)
it must be belonging to an enclosing type */
if (methodDeclaration.declarationSourceEnd != 0
&& statement.sourceStart > methodDeclaration.declarationSourceEnd) {
if (this.parent == null) {
return this; // ignore
} else {
return this.parent.add(statement, bracketBalanceValue);
}
}
if (methodBody == null) {
Block block = new Block(0);
block.sourceStart = methodDeclaration.bodyStart;
RecoveredElement currentBlock = this.add(block, 1);
if (this.bracketBalance > 0) {
for (int i = 0; i < this.bracketBalance - 1; i++) {
currentBlock = currentBlock.add(new Block(0), 1);
}
this.bracketBalance = 1;
}
return currentBlock.add(statement, bracketBalanceValue);
}
return methodBody.add(statement, bracketBalanceValue, true);
}
/*
* Record a local declaration - regular method should have been created a block body
*/
public RecoveredElement add(LocalDeclaration localDeclaration, int bracketBalanceValue) {
this.resetPendingModifiers();
/* local variables inside method can only be final and non void */
/*
char[][] localTypeName;
if ((localDeclaration.modifiers & ~AccFinal) != 0 // local var can only be final
|| (localDeclaration.type == null) // initializer
|| ((localTypeName = localDeclaration.type.getTypeName()).length == 1 // non void
&& CharOperation.equals(localTypeName[0], VoidBinding.sourceName()))){
if (this.parent == null){
return this; // ignore
} else {
this.updateSourceEndIfNecessary(this.previousAvailableLineEnd(localDeclaration.declarationSourceStart - 1));
return this.parent.add(localDeclaration, bracketBalance);
}
}
*/
/* do not consider a type starting passed the type end (if set)
it must be belonging to an enclosing type */
if (methodDeclaration.declarationSourceEnd != 0
&& localDeclaration.declarationSourceStart > methodDeclaration.declarationSourceEnd) {
if (this.parent == null) {
return this; // ignore
} else {
return this.parent.add(localDeclaration, bracketBalanceValue);
}
}
if (methodBody == null) {
Block block = new Block(0);
block.sourceStart = methodDeclaration.bodyStart;
RecoveredElement currentBlock = this.add(block, 1);
if (this.bracketBalance > 0) {
for (int i = 0; i < this.bracketBalance - 1; i++) {
currentBlock = currentBlock.add(new Block(0), 1);
}
this.bracketBalance = 1;
}
return currentBlock.add(localDeclaration, bracketBalanceValue);
}
return methodBody.add(localDeclaration, bracketBalanceValue, true);
}
/**
* In case emulating local variables, wrap the (recovered) statements inside a try statement so as
* to achieve local state commiting (copy local vars back to fields). The CSToCuMapper could not
* be used, since it could have interfered with the syntax recovery specific to code snippets.
*/
protected void consumeMethodDeclaration(boolean isNotAbstract) {
// MethodDeclaration ::= MethodHeader MethodBody
// AbstractMethodDeclaration ::= MethodHeader ';'
super.consumeMethodDeclaration(isNotAbstract);
// now we know that we have a method declaration at the top of the ast stack
MethodDeclaration methodDecl = (MethodDeclaration) this.astStack[this.astPtr];
// automatically wrap the last statement inside a return statement, if it is an expression
// support have to be defined at toplevel only
if (this.isTopLevelType()) {
int last = methodDecl.statements == null ? -1 : methodDecl.statements.length - 1;
if (last >= 0 && methodDecl.statements[last] instanceof Expression) {
Expression lastExpression = (Expression) methodDecl.statements[last];
methodDecl.statements[last] =
new CodeSnippetReturnStatement(
lastExpression, lastExpression.sourceStart, lastExpression.sourceEnd);
}
}
int start = methodDecl.bodyStart - 1, end = start;
long position = ((long) start << 32) + end;
long[] positions = new long[] {position};
if (this.evaluationContext.localVariableNames != null) {
int varCount =
this.evaluationContext.localVariableNames.length; // n local decls+ try statement
// generate n local variable declarations: [type] [name] = val$[name];
Statement[] newStatements = new Statement[varCount + 1];
for (int i = 0; i < varCount; i++) {
char[] trimmedTypeName = this.evaluationContext.localVariableTypeNames[i];
int nameEnd = CharOperation.indexOf('[', trimmedTypeName);
if (nameEnd >= 0) {
trimmedTypeName = CharOperation.subarray(trimmedTypeName, 0, nameEnd);
}
nameEnd = CharOperation.indexOf(' ', trimmedTypeName);
if (nameEnd >= 0) {
trimmedTypeName = CharOperation.subarray(trimmedTypeName, 0, nameEnd);
}
TypeReference typeReference =
new QualifiedTypeReference(CharOperation.splitOn('.', trimmedTypeName), positions);
int dimCount =
CharOperation.occurencesOf('[', this.evaluationContext.localVariableTypeNames[i]);
if (dimCount > 0) {
typeReference = this.copyDims(typeReference, dimCount);
}
NameReference init =
new SingleNameReference(
CharOperation.concat(
LOCAL_VAR_PREFIX, this.evaluationContext.localVariableNames[i]),
position);
LocalDeclaration declaration =
new LocalDeclaration(this.evaluationContext.localVariableNames[i], start, end);
declaration.initialization = init;
declaration.type = typeReference;
declaration.modifiers = this.evaluationContext.localVariableModifiers[i];
newStatements[i] = declaration;
}
// generate try { [snippet] } finally { [save locals to fields] }
// try block
TryStatement tryStatement = new TryStatement();
Block tryBlock = new Block(methodDecl.explicitDeclarations);
tryBlock.sourceStart = start;
tryBlock.sourceEnd = end;
tryBlock.statements = methodDecl.statements; // snippet statements
tryStatement.tryBlock = tryBlock;
// finally block
Block finallyBlock = new Block(0);
finallyBlock.sourceStart = start;
finallyBlock.sourceEnd = end;
finallyBlock.statements = new Statement[varCount];
for (int i = 0; i < varCount; i++) {
finallyBlock.statements[i] =
new Assignment(
new SingleNameReference(
CharOperation.concat(
LOCAL_VAR_PREFIX, this.evaluationContext.localVariableNames[i]),
position),
new SingleNameReference(this.evaluationContext.localVariableNames[i], position),
(int) position);
}
tryStatement.finallyBlock = finallyBlock;
newStatements[varCount] = tryStatement;
methodDecl.statements = newStatements;
}
}
public RecoveredElement add(TypeDeclaration typeDeclaration, int bracketBalanceValue) {
/* do not consider a type starting passed the type end (if set)
it must be belonging to an enclosing type */
if (methodDeclaration.declarationSourceEnd != 0
&& typeDeclaration.declarationSourceStart > methodDeclaration.declarationSourceEnd) {
if (this.parent == null) {
return this; // ignore
}
return this.parent.add(typeDeclaration, bracketBalanceValue);
}
if ((typeDeclaration.bits & ASTNode.IsLocalType) != 0
|| this.parser().methodRecoveryActivated
|| this.parser().statementRecoveryActivated) {
if (methodBody == null) {
Block block = new Block(0);
block.sourceStart = methodDeclaration.bodyStart;
this.add(block, 1);
}
methodBody.attachPendingModifiers(
this.pendingAnnotations,
this.pendingAnnotationCount,
this.pendingModifiers,
this.pendingModifersSourceStart);
this.resetPendingModifiers();
return methodBody.add(typeDeclaration, bracketBalanceValue, true);
}
switch (TypeDeclaration.kind(typeDeclaration.modifiers)) {
case TypeDeclaration.INTERFACE_DECL:
case TypeDeclaration.ANNOTATION_TYPE_DECL:
resetPendingModifiers();
this.updateSourceEndIfNecessary(
this.previousAvailableLineEnd(typeDeclaration.declarationSourceStart - 1));
if (this.parent == null) {
return this; // ignore
}
// close the constructor
return this.parent.add(typeDeclaration, bracketBalanceValue);
}
if (localTypes == null) {
localTypes = new RecoveredType[5];
localTypeCount = 0;
} else {
if (localTypeCount == localTypes.length) {
System.arraycopy(
localTypes, 0, (localTypes = new RecoveredType[2 * localTypeCount]), 0, localTypeCount);
}
}
RecoveredType element = new RecoveredType(typeDeclaration, this, bracketBalanceValue);
localTypes[localTypeCount++] = element;
if (this.pendingAnnotationCount > 0) {
element.attach(
pendingAnnotations, pendingAnnotationCount, pendingModifiers, pendingModifersSourceStart);
}
this.resetPendingModifiers();
/* consider that if the opening brace was not found, it is there */
if (!foundOpeningBrace) {
foundOpeningBrace = true;
this.bracketBalance++;
}
return element;
}
@Override
public boolean handle(
AnnotationValues<Synchronized> annotation, Annotation source, EclipseNode annotationNode) {
int p1 = source.sourceStart - 1;
int p2 = source.sourceStart - 2;
long pos = (((long) p1) << 32) | p2;
EclipseNode methodNode = annotationNode.up();
if (methodNode == null
|| methodNode.getKind() != Kind.METHOD
|| !(methodNode.get() instanceof MethodDeclaration)) {
annotationNode.addError("@Synchronized is legal only on methods.");
return true;
}
MethodDeclaration method = (MethodDeclaration) methodNode.get();
if (method.isAbstract()) {
annotationNode.addError("@Synchronized is legal only on concrete methods.");
return true;
}
char[] lockName = annotation.getInstance().value().toCharArray();
boolean autoMake = false;
if (lockName.length == 0) {
autoMake = true;
lockName = method.isStatic() ? STATIC_LOCK_NAME : INSTANCE_LOCK_NAME;
}
if (fieldExists(new String(lockName), methodNode) == MemberExistsResult.NOT_EXISTS) {
if (!autoMake) {
annotationNode.addError("The field " + new String(lockName) + " does not exist.");
return true;
}
FieldDeclaration fieldDecl = new FieldDeclaration(lockName, 0, -1);
Eclipse.setGeneratedBy(fieldDecl, source);
fieldDecl.declarationSourceEnd = -1;
fieldDecl.modifiers =
(method.isStatic() ? Modifier.STATIC : 0) | Modifier.FINAL | Modifier.PRIVATE;
// We use 'new Object[0];' because quite unlike 'new Object();', empty arrays *ARE*
// serializable!
ArrayAllocationExpression arrayAlloc = new ArrayAllocationExpression();
Eclipse.setGeneratedBy(arrayAlloc, source);
arrayAlloc.dimensions = new Expression[] {new IntLiteral(new char[] {'0'}, 0, 0)};
Eclipse.setGeneratedBy(arrayAlloc.dimensions[0], source);
arrayAlloc.type =
new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] {0, 0, 0});
Eclipse.setGeneratedBy(arrayAlloc.type, source);
fieldDecl.type =
new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] {0, 0, 0});
Eclipse.setGeneratedBy(fieldDecl.type, source);
fieldDecl.initialization = arrayAlloc;
injectFieldSuppressWarnings(annotationNode.up().up(), fieldDecl);
}
if (method.statements == null) return false;
Block block = new Block(0);
Eclipse.setGeneratedBy(block, source);
block.statements = method.statements;
Expression lockVariable;
if (method.isStatic())
lockVariable =
new QualifiedNameReference(
new char[][] {methodNode.up().getName().toCharArray(), lockName},
new long[] {pos, pos},
p1,
p2);
else {
lockVariable = new FieldReference(lockName, pos);
ThisReference thisReference = new ThisReference(p1, p2);
Eclipse.setGeneratedBy(thisReference, source);
((FieldReference) lockVariable).receiver = thisReference;
}
Eclipse.setGeneratedBy(lockVariable, source);
method.statements = new Statement[] {new SynchronizedStatement(lockVariable, block, 0, 0)};
Eclipse.setGeneratedBy(method.statements[0], source);
methodNode.rebuild();
return true;
}
