private String generateMethodBody(MethodDeclaration m) {
String methodBody;
if (Modifier.isNative(m.getModifiers())) {
if (hasNativeCode(m, true)) {
methodBody = extractNativeMethodBody(m);
} else if (Options.generateNativeStubs()) {
return generateNativeStub(m);
} else {
return null;
}
} else if (Modifier.isAbstract(m.getModifiers())) {
// Generate a body which throws a NSInvalidArgumentException.
String body =
"{\n // can't call an abstract method\n " + "[self doesNotRecognizeSelector:_cmd];\n ";
if (!Types.isVoidType(m.getReturnType2())) {
body += "return 0;\n"; // Never executes, but avoids a gcc warning.
}
return body + "}";
} else {
// generate a normal method body
methodBody = generateStatement(m.getBody(), false);
}
boolean isStatic = (m.getModifiers() & Modifier.STATIC) != 0;
boolean isSynchronized = (m.getModifiers() & Modifier.SYNCHRONIZED) != 0;
if (isStatic && isSynchronized) {
methodBody = "{\n@synchronized([self class]) {\n" + methodBody + "}\n}\n";
} else if (isSynchronized) {
methodBody = "{\n@synchronized(self) {\n" + methodBody + "}\n}\n";
}
return methodBody;
}
@Override
protected void printFunctionDeclaration(FunctionDeclaration function) {
newline();
// We expect native functions to be defined externally.
if (!Modifier.isNative(function.getModifiers())) {
print("__attribute__((unused)) static ");
}
print(getFunctionSignature(function));
if (function.returnsRetained()) {
print(" NS_RETURNS_RETAINED");
}
println(";");
// TODO(kstanger): Remove when users have migrated.
String name = function.getName();
String oldName = function.getOldName();
if (!oldName.equals(name)) {
println("#ifdef J2OBJC_RENAME2_ALIASES");
printf("#define %s %s\n", oldName, name);
println("#endif // J2OBJC_RENAME2_ALIASES");
}
}
public static boolean isNative(IBinding binding) {
return Modifier.isNative(binding.getModifiers());
}
