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");
    }
  }
Beispiel #3
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 public static boolean isNative(IBinding binding) {
   return Modifier.isNative(binding.getModifiers());
 }