// We generate the runtime debug method -memDebugStrongReferences.
// This method will return an array of information about a strong reference,
// including pointer to object and name.
private void printStrongReferencesMethod(List<VariableDeclarationFragment> properties) {
if (Options.memoryDebug()) {
if (!Options.useReferenceCounting()) {
println("- (NSArray *)memDebugStrongReferences {");
println(" return nil;");
println("}");
return;
}
println("- (NSArray *)memDebugStrongReferences {");
println(" NSMutableArray *result =");
println(" [[[super memDebugStrongReferences] mutableCopy] autorelease];");
for (VariableDeclarationFragment property : properties) {
String propName = NameTable.getName(property.getName());
String objCFieldName = NameTable.javaFieldToObjC(propName);
if (isStrongReferenceProperty(property)) {
println(
String.format(
" [result addObject:[JreMemDebugStrongReference "
+ "strongReferenceWithObject:%s name:@\"%s\"]];",
objCFieldName, propName));
}
}
println(" return result;");
println("}\n");
}
}
private void printAnnotations(List<Annotation> runtimeAnnotations) {
boolean first = true;
for (Annotation annotation : runtimeAnnotations) {
if (first) {
first = false;
} else {
print(", ");
}
if (Options.useReferenceCounting()) {
print('[');
}
printf("[[%s alloc] init", NameTable.getFullName(Types.getTypeBinding(annotation)));
printAnnotationParameters(annotation);
print(']');
if (Options.useReferenceCounting()) {
print(" autorelease]");
}
}
}
@Override
protected void printStaticFieldSetter(IVariableBinding var) {
String fieldName = NameTable.getStaticVarQualifiedName(var);
String paramName = NameTable.getName(var);
String signature = staticFieldSetterSignature(var);
if (Options.useReferenceCounting()) {
printf(
"%s {\n JreOperatorRetainedAssign(&%s, nil, %s);\n}\n\n",
signature, fieldName, paramName);
} else {
printf("%s {\n %s = %s;\n}\n\n", signature, fieldName, paramName);
}
}
// We generate the runtime debug method +memDebugStaticReferences.
// This method will return an array of NSNumber containing pointers (casted into unsigned long)
// to the objects referenced by a class variable with a strong reference.
// It will be useful for debug purpose.
//
// Arrays returned by -memDebugStaticReferences and -memDebugStaticReferencesNames (see below)
// must be the same size.
//
// In case of a Java enum, valuesVarNameis the name of the array of enum values.
private void printStaticReferencesMethod(List<FieldDeclaration> fields, String valuesVarName) {
if (Options.memoryDebug()) {
if (!Options.useReferenceCounting()) {
println("+ (NSArray *)memDebugStaticReferences {");
println(" return nil;");
println("}");
return;
}
println("+ (NSArray *)memDebugStaticReferences {");
println(" NSMutableArray *result = [NSMutableArray array];");
for (FieldDeclaration f : fields) {
if (Modifier.isStatic(f.getModifiers())) {
for (VariableDeclarationFragment var : ASTUtil.getFragments(f)) {
IVariableBinding binding = Types.getVariableBinding(var);
// All non-primitive static variables are strong references.
if (!binding.getType().isPrimitive()) {
String name = NameTable.getStaticVarQualifiedName(binding);
println(
String.format(
" [result addObject:[JreMemDebugStrongReference "
+ "strongReferenceWithObject:%s name:@\"%s\"]];",
name, name));
}
}
}
}
if (valuesVarName != null) {
println(
String.format(
" [result addObject:[JreMemDebugStrongReference "
+ "strongReferenceWithObject:%s name:@\"enumValues\"]];",
valuesVarName));
}
println(" return result;");
println("}\n");
}
}
@Override
protected void generate(EnumDeclaration node) {
List<EnumConstantDeclaration> constants = ASTUtil.getEnumConstants(node);
List<MethodDeclaration> methods = Lists.newArrayList();
List<FieldDeclaration> fields = Lists.newArrayList();
MethodDeclaration initializeMethod = null;
for (BodyDeclaration decl : ASTUtil.getBodyDeclarations(node)) {
if (decl instanceof FieldDeclaration) {
fields.add((FieldDeclaration) decl);
} else if (decl instanceof MethodDeclaration) {
MethodDeclaration md = (MethodDeclaration) decl;
if (md.getName().getIdentifier().equals("initialize")) {
initializeMethod = md;
} else {
methods.add(md);
}
}
}
syncLineNumbers(node.getName()); // avoid doc-comment
String typeName = NameTable.getFullName(node);
newline();
for (EnumConstantDeclaration constant : constants) {
IVariableBinding var = Types.getVariableBinding(constant.getName());
printf("static %s *%s;\n", typeName, NameTable.getStaticVarQualifiedName(var));
}
printf("IOSObjectArray *%s_values;\n", typeName);
newline();
printf("@implementation %s\n\n", typeName);
printStaticVars(fields, /* isInterface */ false);
printStaticReferencesMethod(fields, typeName + "_values");
for (EnumConstantDeclaration constant : constants) {
String name = NameTable.getName(constant.getName());
printf("+ (%s *)%s {\n", typeName, name);
printf(" return %s_%s;\n", typeName, name);
println("}");
}
newline();
// Enum constants needs to implement NSCopying. Being singletons, they
// can just return self, as long the retain count is incremented.
String selfString = Options.useReferenceCounting() ? "[self retain]" : "self";
printf("- (id)copyWithZone:(NSZone *)zone {\n return %s;\n}\n\n", selfString);
printStaticFieldAccessors(fields, methods, /* isInterface */ false);
printMethodsAndOcni(node, methods, blockComments.get(node));
printf("+ (void)initialize {\n if (self == [%s class]) {\n", typeName);
for (int i = 0; i < constants.size(); i++) {
EnumConstantDeclaration constant = constants.get(i);
List<Expression> args = ASTUtil.getArguments(constant);
String name = NameTable.getName(constant.getName());
String constantTypeName =
NameTable.getFullName(Types.getMethodBinding(constant).getDeclaringClass());
printf(" %s_%s = [[%s alloc] init", typeName, name, constantTypeName);
if (args.isEmpty()) {
print("With");
} else {
print(
StatementGenerator.generateArguments(
Types.getMethodBinding(constant),
args,
fieldHiders,
getBuilder().getSourcePosition()));
print(" with");
}
printf("NSString:@\"%s\" withInt:%d];\n", name, i);
}
printf(" %s_values = [[IOSObjectArray alloc] initWithObjects:(id[]){ ", typeName);
for (EnumConstantDeclaration constant : constants) {
printf("%s_%s, ", typeName, NameTable.getName(constant.getName()));
}
printf(
"nil } count:%d type:[IOSClass classWithClass:[%s class]]];\n", constants.size(), typeName);
if (initializeMethod != null) {
for (Statement s : ASTUtil.getStatements(initializeMethod.getBody())) {
printf(
" %s",
StatementGenerator.generate(s, fieldHiders, false, getBuilder().getSourcePosition()));
}
}
println(" }\n}\n");
// Print generated values and valueOf methods.
println("+ (IOSObjectArray *)values {");
printf(" return [IOSObjectArray arrayWithArray:%s_values];\n", typeName);
println("}\n");
printf("+ (%s *)valueOfWithNSString:(NSString *)name {\n", typeName);
printf(" for (int i = 0; i < [%s_values count]; i++) {\n", typeName);
printf(" %s *e = %s_values->buffer_[i];\n", typeName, typeName);
printf(" if ([name isEqual:[e name]]) {\n");
printf(" return e;\n");
printf(" }\n");
printf(" }\n");
if (Options.useReferenceCounting()) {
printf(
" @throw [[[JavaLangIllegalArgumentException alloc] initWithNSString:name]"
+ " autorelease];\n");
} else {
printf(" @throw [[JavaLangIllegalArgumentException alloc] initWithNSString:name];\n");
}
printf(" return nil;\n");
println("}\n");
if (!Options.stripReflection()) {
printTypeAnnotationsMethod(node);
printMetadata(node);
}
println("@end");
}