/*

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 */

#include "hermes/VM/StackFrame.h"

#include "llvh/Support/Format.h"

#include "llvh/Support/raw_ostream.h"

namespace hermes {

namespace vm {

void dumpStackFrame(

    ConstStackFramePtr frame,

    llvh::raw_ostream &OS,

    const PinnedHermesValue *next) {

  auto format_ptr = [](const void *p) {

    return llvh::format_hex((uintptr_t)p, 10);

  };

  OS << "Frame @" << format_ptr(frame.ptr()) << "\n";

  if (next) {

    OS << "  size [regs]     : " << frame.ptr() - next << "\n";

  }

  OS << "  PreviousFrame   : " << format_ptr(frame.getPreviousFramePointer())

     << "\n"

     << "  SavedIP         : " << format_ptr(frame.getSavedIP()) << "\n"

     << "  SavedCodeBlock  : " << format_ptr(frame.getSavedCodeBlock()) << "\n"

     << "  ArgCount        : " << frame.getArgCount() << "\n"

     << "  NewTarget       : " << frame.getNewTargetRef() << "\n"

     << "  CalleeClosure   : " << frame.getCalleeClosureOrCBRef() << "\n"

     << "  ThisArg         : " << frame.getThisArgRef() << "\n"

     << "  Args: ";

  for (uint32_t i = 0, count = frame.getArgCount(); i != count; ++i) {

    if (i != 0)

      OS << ", ";

    OS << frame.getArgRef(i);

  }

  OS << "\n";

}

LLVM_ATTRIBUTE_NOINLINE

void dumpStackFrame(ConstStackFramePtr frame) {

  dumpStackFrame(frame, llvh::errs());

}

LLVM_ATTRIBUTE_NOINLINE

void dumpStackFrame(StackFramePtr frame) {

  dumpStackFrame(frame, llvh::errs());

}

} // namespace vm

} // namespace hermes