How to use

setBody

method

in

com.ochafik.lang.jnaerator.parser.Function

private Function newStaticInit() {
  Function f = new Function(Function.Type.StaticInit, null, null).setBody(block(
    stat(methodCall(
    expr(typeRef(BridJ.class)),
    Expression.MemberRefStyle.Dot,
    "register")))).addModifiers(ModifierType.Static);
  return f;
}

private Function newStaticInit() {
  Function f = new Function(Function.Type.StaticInit, null, null).setBody(block(
    stat(methodCall(
    expr(typeRef(BridJ.class)),
    Expression.MemberRefStyle.Dot,
    "register")))).addModifiers(ModifierType.Static);
  return f;
}

@Override
public boolean replaceChild(Element child, Element by) {
  if (child == getBody()) {
    setBody((Statement.Block)by);
    return true;
  }
  if (child == getName()) {
    setName((Identifier)by);
    return true;
  }
  if (replaceChild(args, Arg.class, this, child, by))
    return true;
  if (replaceChild(thrown, TypeRef.class, this, child, by))
    return true;
  if (replaceChild(initializers, FunctionCall.class, this, child, by))
    return true;
  
  return super.replaceChild(child, by);
}

Function initMethod = new Function(Function.Type.CppMethod, ident(initFunctionName), typeRef(void.class));
initMethod.addArg(new Arg(initTarget, typeRef(v8Ident("Handle", v8Ident("Object")))));
initMethod.setBody(new Block());
    new Arg("data", new TypeRef.Pointer(typeRef("char"), Declarator.PointerStyle.Pointer)),
    new Arg("hint", new TypeRef.Pointer(typeRef("void"), Declarator.PointerStyle.Pointer)));
dummyNodeBufferFreeCallback.setBody(new Block());
sourceFile.addDeclaration(dummyNodeBufferFreeCallback);

@Override
protected Struct createFakePointerClass(Identifier fakePointer) {
  Struct ptClass = result.declarationsConverter.publicStaticClass(fakePointer, ident(PointerType.class), Struct.Type.JavaClass, null);
  String pointerVarName = "address";
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null,
      new Arg(pointerVarName, typeRef(com.sun.jna.Pointer.class))).addModifiers(ModifierType.Public).setBody(
      block(stat(methodCall("super", varRef(pointerVarName))))));
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null)
      .addModifiers(ModifierType.Public)
      .setBody(
      block(stat(methodCall("super")))));
  return ptClass;
}

@Override
protected Struct createFakePointerClass(Identifier fakePointer) {
  Struct ptClass = result.declarationsConverter.publicStaticClass(fakePointer, ident(PointerType.class), Struct.Type.JavaClass, null);
  String pointerVarName = "address";
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null,
      new Arg(pointerVarName, typeRef(com.sun.jna.Pointer.class))).addModifiers(ModifierType.Public).setBody(
      block(stat(methodCall("super", varRef(pointerVarName))))));
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null)
      .addModifiers(ModifierType.Public)
      .setBody(
      block(stat(methodCall("super")))));
  return ptClass;
}

@Override
protected Struct createFakePointerClass(Identifier fakePointer) {
  Struct ptClass = result.declarationsConverter.publicStaticClass(fakePointer, ident(TypedPointer.class), Struct.Type.JavaClass, null);
  String addressVarName = "address";
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null,
      new Arg(addressVarName, typeRef(long.class))).addModifiers(ModifierType.Public).setBody(
      block(stat(methodCall("super", varRef(addressVarName))))));
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null,
      new Arg(addressVarName, typeRef(org.bridj.Pointer.class))).addModifiers(ModifierType.Public).setBody(
      block(stat(methodCall("super", varRef(addressVarName))))));
  return ptClass;
}

@Override
protected Struct createFakePointerClass(Identifier fakePointer) {
  Struct ptClass = result.declarationsConverter.publicStaticClass(fakePointer, ident(TypedPointer.class), Struct.Type.JavaClass, null);
  String addressVarName = "address";
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null,
      new Arg(addressVarName, typeRef(long.class))).addModifiers(ModifierType.Public).setBody(
      block(stat(methodCall("super", varRef(addressVarName))))));
  ptClass.addDeclaration(new Function(Function.Type.JavaMethod, fakePointer, null,
      new Arg(addressVarName, typeRef(org.bridj.Pointer.class))).addModifiers(ModifierType.Public).setBody(
      block(stat(methodCall("super", varRef(addressVarName))))));
  return ptClass;
}

  private Function createProxyCopy(Function originalMethod, Function meth) {
    if (isMethodExcludedFromStaticForwarding(originalMethod)) {
      return null;
    }

    Function proxyCopy = meth.clone();
    proxyCopy.addModifiers(ModifierType.Public, ModifierType.Static);
    proxyCopy.reorganizeModifiers();

    Expression[] args = new Expression[meth.getArgs().size()];
    int i = 0;
    for (Arg arg : meth.getArgs()) {
      args[i++] = varRef(arg.getName());
    }

    Expression val = methodCall(methodCall(null, null, classInstanceGetterName), Expression.MemberRefStyle.Dot, meth.getName().toString(), args);
    proxyCopy.setBody(new Block(
        meth.getValueType() == null || "void".equals(meth.getValueType().toString()) ? stat(val) : new Statement.Return(val)));
    return proxyCopy;
  }
//    protected static _class_ _CLASS_ = org.rococoa.Rococoa.createClass("NSURL", _class_.class);

  private Function createProxyCopy(Function originalMethod, Function meth) {
    if (isMethodExcludedFromStaticForwarding(originalMethod)) {
      return null;
    }

    Function proxyCopy = meth.clone();
    proxyCopy.addModifiers(ModifierType.Public, ModifierType.Static);
    proxyCopy.reorganizeModifiers();

    Expression[] args = new Expression[meth.getArgs().size()];
    int i = 0;
    for (Arg arg : meth.getArgs()) {
      args[i++] = varRef(arg.getName());
    }

    Expression val = methodCall(methodCall(null, null, classInstanceGetterName), Expression.MemberRefStyle.Dot, meth.getName().toString(), args);
    proxyCopy.setBody(new Block(
        meth.getValueType() == null || "void".equals(meth.getValueType().toString()) ? stat(val) : new Statement.Return(val)));
    return proxyCopy;
  }
//    protected static _class_ _CLASS_ = org.rococoa.Rococoa.createClass("NSURL", _class_.class);

      memberRef(expr(typeRef(instanceStruct.getTag())), MemberRefStyle.Dot, "class"));
createCopy.setBody(new Block(new Statement.Return(val)));
return createCopy;

      memberRef(expr(typeRef(instanceStruct.getTag())), MemberRefStyle.Dot, "class"));
createCopy.setBody(new Block(new Statement.Return(val)));
return createCopy;

protected Function createNewStructMethod(String name, Struct byRef) {
  TypeRef tr = typeRef(byRef.getTag().clone());
  Function f = new Function(Function.Type.JavaMethod, ident(name), tr);
  String varName = "s";
  f.addModifiers(ModifierType.Protected);
  if (result.config.runtime != JNAeratorConfig.Runtime.JNA) {
    f.setBody(block(
        //new Statement.Return(methodCall("setupClone", new Expression.New(tr.clone(), methodCall(null))))
        new Statement.Return(new Expression.New(tr.clone(), methodCall((String) null)))).setCompact(true));
  } else {
    f.setBody(block(
        stat(tr.clone(), varName, new Expression.New(tr.clone(), methodCall((String) null))),
        stat(methodCall(varRef(varName), MemberRefStyle.Dot, "useMemory", methodCall("getPointer"))),
        stat(methodCall("write")),
        stat(methodCall(varRef(varName), MemberRefStyle.Dot, "read")),
        new Statement.Return(varRef(varName))));
  }
  return f;
}

Function getMethod = new Function(Function.Type.JavaMethod, ident("get" + StringUtils.capitalize(name)), vd.getValueType().clone()).setBody(block(
    new Statement.Return(varRef(name)))).addModifiers(ModifierType.Public);
if (signatures.addMethod(getMethod)) {
Function setMethod = new Function(Function.Type.JavaMethod, ident("set" + StringUtils.capitalize(name)), typeRef(Void.TYPE), new Arg(name, vd.getValueType().clone())).setBody(block(
    stat(expr(memberRef(thisRef(), MemberRefStyle.Dot, ident(name)), AssignmentOperator.Equal, varRef(name))))).addModifiers(ModifierType.Public);
if (signatures.addMethod(setMethod)) {

protected Function createNewStructMethod(String name, Struct byRef) {
  TypeRef tr = typeRef(byRef.getTag().clone());
  Function f = new Function(Function.Type.JavaMethod, ident(name), tr);
  String varName = "s";
  f.addModifiers(ModifierType.Protected);
  if (result.config.runtime != JNAeratorConfig.Runtime.JNA) {
    f.setBody(block(
        //new Statement.Return(methodCall("setupClone", new Expression.New(tr.clone(), methodCall(null))))
        new Statement.Return(new Expression.New(tr.clone(), methodCall((String) null)))).setCompact(true));
  } else {
    f.setBody(block(
        stat(tr.clone(), varName, new Expression.New(tr.clone(), methodCall((String) null))),
        stat(methodCall(varRef(varName), MemberRefStyle.Dot, "useMemory", methodCall("getPointer"))),
        stat(methodCall("write")),
        stat(methodCall(varRef(varName), MemberRefStyle.Dot, "read")),
        new Statement.Return(varRef(varName))));
  }
  return f;
}

Function createCastMethod(Identifier name, Identifier classId, boolean isStatic) {
  Function m = new Function();
  m.setType(Function.Type.JavaMethod);
  m.addModifiers(ModifierType.Public);
  m.setName(ident("as" + (isStatic ? "Static_" : "_") + name));
  m.setValueType(typeRef(classId.clone()));
  m.setBody(block(
      new Statement.Return(
      methodCall(
      expr(typeRef(Rococoa.class)),
      MemberRefStyle.Dot,
      "cast",
      varRef("this"),
      result.typeConverter.typeLiteral(typeRef(classId.clone()))))));
  return m;
}

Function getMethod = new Function(Function.Type.JavaMethod, ident("get" + StringUtils.capitalize(name)), vd.getValueType().clone()).setBody(block(
    new Statement.Return(varRef(name)))).addModifiers(ModifierType.Public);
if (signatures.addMethod(getMethod)) {
Function setMethod = new Function(Function.Type.JavaMethod, ident("set" + StringUtils.capitalize(name)), typeRef(Void.TYPE), new Arg(name, vd.getValueType().clone())).setBody(block(
    stat(expr(memberRef(thisRef(), MemberRefStyle.Dot, ident(name)), AssignmentOperator.Equal, varRef(name))))).addModifiers(ModifierType.Public);
if (signatures.addMethod(setMethod)) {

Function createCastMethod(Identifier name, Identifier classId, boolean isStatic) {
  Function m = new Function();
  m.setType(Function.Type.JavaMethod);
  m.addModifiers(ModifierType.Public);
  m.setName(ident("as" + (isStatic ? "Static_" : "_") + name));
  m.setValueType(typeRef(classId.clone()));
  m.setBody(block(
      new Statement.Return(
      methodCall(
      expr(typeRef(Rococoa.class)),
      MemberRefStyle.Dot,
      "cast",
      varRef("this"),
      result.typeConverter.typeLiteral(typeRef(classId.clone()))))));
  return m;
}

protected Function createNewStructArrayMethod(Struct struct, boolean isUnion) {
  if (result.config.runtime == JNAeratorConfig.Runtime.JNA) {
    return null;
  }
  TypeRef tr = typeRef(struct.getTag().clone());
  TypeRef ar = new TypeRef.ArrayRef(tr);
  String varName = "arrayLength";
  Function f = new Function(Function.Type.JavaMethod, ident("newArray"), ar, new Arg(varName, typeRef(Integer.TYPE)));
  f.addModifiers(ModifierType.Public, ModifierType.Static);
  f.setBody(block(
      new Statement.Return(
      methodCall(
      expr(typeRef(isUnion ? result.config.runtime.unionClass : result.config.runtime.structClass)),
      MemberRefStyle.Dot,
      "newArray",
      result.typeConverter.typeLiteral(tr),
      varRef(varName)))));
  return f;
}

protected Function createNewStructArrayMethod(Struct struct, boolean isUnion) {
  if (result.config.runtime == JNAeratorConfig.Runtime.JNA) {
    return null;
  }
  TypeRef tr = typeRef(struct.getTag().clone());
  TypeRef ar = new TypeRef.ArrayRef(tr);
  String varName = "arrayLength";
  Function f = new Function(Function.Type.JavaMethod, ident("newArray"), ar, new Arg(varName, typeRef(Integer.TYPE)));
  f.addModifiers(ModifierType.Public, ModifierType.Static);
  f.setBody(block(
      new Statement.Return(
      methodCall(
      expr(typeRef(isUnion ? result.config.runtime.unionClass : result.config.runtime.structClass)),
      MemberRefStyle.Dot,
      "newArray",
      result.typeConverter.typeLiteral(tr),
      varRef(varName)))));
  return f;
}