// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/builtins/builtins-utils.h"
#include "src/builtins/builtins.h"
#include "src/globals.h"
#include "src/handles-inl.h"
#include "src/objects-inl.h"

namespace v8 {
namespace internal {

Handle<Code> Builtins::InterpreterPushArgsThenCall(
    ConvertReceiverMode receiver_mode, TailCallMode tail_call_mode,
    InterpreterPushArgsMode mode) {
  switch (mode) {
    case InterpreterPushArgsMode::kJSFunction:
      if (tail_call_mode == TailCallMode::kDisallow) {
        switch (receiver_mode) {
          case ConvertReceiverMode::kNullOrUndefined:
            return InterpreterPushUndefinedAndArgsThenCallFunction();
          case ConvertReceiverMode::kNotNullOrUndefined:
          case ConvertReceiverMode::kAny:
            return InterpreterPushArgsThenCallFunction();
        }
      } else {
        CHECK_EQ(receiver_mode, ConvertReceiverMode::kAny);
        return InterpreterPushArgsThenTailCallFunction();
      }
    case InterpreterPushArgsMode::kWithFinalSpread:
      CHECK(tail_call_mode == TailCallMode::kDisallow);
      return InterpreterPushArgsThenCallWithFinalSpread();
    case InterpreterPushArgsMode::kOther:
      if (tail_call_mode == TailCallMode::kDisallow) {
        switch (receiver_mode) {
          case ConvertReceiverMode::kNullOrUndefined:
            return InterpreterPushUndefinedAndArgsThenCall();
          case ConvertReceiverMode::kNotNullOrUndefined:
          case ConvertReceiverMode::kAny:
            return InterpreterPushArgsThenCall();
        }
      } else {
        CHECK_EQ(receiver_mode, ConvertReceiverMode::kAny);
        return InterpreterPushArgsThenTailCall();
      }
  }
  UNREACHABLE();
  return Handle<Code>::null();
}

Handle<Code> Builtins::InterpreterPushArgsThenConstruct(
    InterpreterPushArgsMode mode) {
  switch (mode) {
    case InterpreterPushArgsMode::kJSFunction:
      return InterpreterPushArgsThenConstructFunction();
    case InterpreterPushArgsMode::kWithFinalSpread:
      return InterpreterPushArgsThenConstructWithFinalSpread();
    case InterpreterPushArgsMode::kOther:
      return InterpreterPushArgsThenConstruct();
  }
  UNREACHABLE();
  return Handle<Code>::null();
}

}  // namespace internal
}  // namespace v8