src/objects/call-site-info.tq

// Copyright 2019 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.

bitfield struct CallSiteInfoFlags extends uint31 {
  is_wasm: bool: 1 bit;
  is_asm_js_wasm: bool: 1 bit;  // Implies that is_wasm bit is set.
  is_strict: bool: 1 bit;
  is_constructor: bool: 1 bit;
  is_asm_js_at_number_conversion: bool: 1 bit;
  is_async: bool: 1 bit;

  // whether offset_or_source_position contains the source position.
  is_source_position_computed: bool: 1 bit;
}

extern class CallSiteInfo extends Struct {
  receiver_or_instance: JSAny;
  function: JSFunction|Smi;
  code_object: HeapObject;
  code_offset_or_source_position: Smi;
  flags: SmiTagged<CallSiteInfoFlags>;
  parameters: FixedArray;
}