private void printAnnotationValue(AST ast, Object value) {
if (value == null) {
print("nil");
} else if (value instanceof IVariableBinding) {
IVariableBinding var = (IVariableBinding) value;
ITypeBinding declaringClass = var.getDeclaringClass();
printf("[%s %s]", NameTable.getFullName(declaringClass), var.getName());
} else if (value instanceof ITypeBinding) {
ITypeBinding type = (ITypeBinding) value;
printf("[[%s class] getClass]", NameTable.getFullName(type));
} else if (value instanceof String) {
StringLiteral node = ast.newStringLiteral();
node.setLiteralValue((String) value);
print(StatementGenerator.generateStringLiteral(node));
} else if (value instanceof Number || value instanceof Character || value instanceof Boolean) {
print(value.toString());
} else if (value.getClass().isArray()) {
print("[IOSObjectArray arrayWithObjects:(id[]) { ");
Object[] array = (Object[]) value;
for (int i = 0; i < array.length; i++) {
if (i > 0) {
print(", ");
}
printAnnotationValue(ast, array[i]);
}
printf(" } count:%d type:[[NSObject class] getClass]]", array.length);
} else {
assert false : "unknown annotation value type";
}
}
@Override
protected void generate(AnnotationTypeDeclaration node) {
syncLineNumbers(node.getName()); // avoid doc-comment
String typeName = NameTable.getFullName(node);
printf("@implementation %s\n", typeName);
if (BindingUtil.isRuntimeAnnotation(Types.getTypeBinding(node))) {
List<AnnotationTypeMemberDeclaration> members = Lists.newArrayList();
for (BodyDeclaration decl : ASTUtil.getBodyDeclarations(node)) {
if (decl instanceof AnnotationTypeMemberDeclaration) {
members.add((AnnotationTypeMemberDeclaration) decl);
}
}
printAnnotationProperties(members);
if (!members.isEmpty()) {
printAnnotationConstructor(Types.getTypeBinding(node));
}
printAnnotationAccessors(members);
}
List<FieldDeclaration> fields = ASTUtil.getFieldDeclarations(node);
List<IVariableBinding> fieldsNeedingAccessors =
getStaticFieldsNeedingAccessors(fields, /* isInterface */ true);
printStaticVars(fields, /* isInterface */ true);
printStaticFieldAccessors(fieldsNeedingAccessors, Collections.<MethodDeclaration>emptyList());
println("- (IOSClass *)annotationType {");
printf(" return [IOSClass classWithProtocol:@protocol(%s)];\n", typeName);
println("}\n");
if (!Options.stripReflection()) {
printTypeAnnotationsMethod(node);
printMetadata(node);
}
println("@end\n");
}
@Override
public void generate(TypeDeclaration node) {
syncLineNumbers(node.getName()); // avoid doc-comment
String typeName = NameTable.getFullName(node);
List<FieldDeclaration> fields = Lists.newArrayList(node.getFields());
List<MethodDeclaration> methods = Lists.newArrayList(node.getMethods());
fieldHiders = HiddenFieldDetector.getFieldNameConflicts(node);
if (node.isInterface()) {
printStaticInterface(node, typeName, fields, methods);
} else {
printf("@implementation %s\n\n", typeName);
printStaticReferencesMethod(fields);
printStaticVars(fields, /* isInterface */ false);
printStaticFieldAccessors(fields, methods, /* isInterface */ false);
printMethods(node);
if (!Options.stripReflection()) {
printTypeAnnotationsMethod(node);
printMethodAnnotationMethods(Lists.newArrayList(node.getMethods()));
printFieldAnnotationMethods(Lists.newArrayList(node.getFields()));
printMetadata(node);
}
println("@end");
}
}
public void testMethodVarInSwitch() throws IOException {
String source =
"class Test { "
+ " enum E { ONE, TWO };"
+ " void foo(E e) { "
+ " switch (e) {"
+ " case ONE: {"
+ " final Integer i = 1;"
+ " Runnable r = new Runnable() { "
+ " public void run() { int j = i + 1; } }; }}}}";
// Verify method var in r1.run() isn't mistakenly made a field in r1.
CompilationUnit unit = translateType("Test", source);
List<TypeDeclaration> types = unit.types();
TypeDeclaration r1 = types.get(2);
assertEquals("Test_$1", NameTable.getFullName(r1));
boolean found = false;
for (FieldDeclaration field : r1.getFields()) {
List<VariableDeclarationFragment> vars = field.fragments();
for (VariableDeclaration var : vars) {
if (var.getName().getIdentifier().equals("val$i")) {
found = true;
}
}
}
assertTrue("required field not found", found);
// Verify constructor takes both outer field and var.
ObjectiveCImplementationGenerator.generate("Test.java", Language.OBJECTIVE_C, unit, source);
String translation = getTranslatedFile("Test.m");
assertTranslation(
translation,
"r = [[[Test_$1 alloc] " + "initWithTest:self withJavaLangInteger:i] autorelease]");
}
private String methodKey(IMethodBinding method) {
StringBuilder sb = new StringBuilder();
if (method.isConstructor()) {
sb.append(NameTable.getFullName(method.getDeclaringClass()));
} else {
sb.append(NameTable.getName(method));
}
sb.append(parameterKey(method));
return sb.toString();
}
@Override
protected void printStaticConstructorDeclaration(MethodDeclaration m) {
String className = NameTable.getFullName(Types.getMethodBinding(m).getDeclaringClass());
StringBuffer sb = new StringBuffer();
sb.append("{\nif (self == [" + className + " class]) {\n");
for (Statement statement : ASTUtil.getStatements(m.getBody())) {
sb.append(generateStatement(statement, false));
}
sb.append("}\n}");
print("+ (void)initialize " + reindent(sb.toString()) + "\n\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]");
}
}
}
public void generate(CompilationUnit unit) {
println(J2ObjC.getFileHeader(getSourceFileName()));
List<AbstractTypeDeclaration> typesToGenerate = collectTypes(unit);
if (!typesToGenerate.isEmpty()) {
findBlockComments(unit, typesToGenerate);
findInvokedConstructors(unit);
printStart(getSourceFileName());
printImports(unit);
pushIgnoreDeprecatedDeclarationsPragma();
for (AbstractTypeDeclaration type : typesToGenerate) {
generate(type);
}
popIgnoreDeprecatedDeclarationsPragma();
} else {
// Print a dummy C function so compiled object file is valid.
List<AbstractTypeDeclaration> types = ASTUtil.getTypes(unit);
if (!types.isEmpty()) {
printf("void %s_unused() {}\n", NameTable.getFullName(types.get(0)));
}
}
save(unit);
}
@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");
}
