v8/tools/system-analyzer/log/code.mjs

// Copyright 2020 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.
import {LogEntry} from './log.mjs';

export class DeoptLogEntry extends LogEntry {
  constructor(
      type, time, deoptReason, deoptLocation, scriptOffset, instructionStart,
      codeSize, inliningId) {
    super(type, time);
    this._reason = deoptReason;
    this._location = deoptLocation;
    this._scriptOffset = scriptOffset;
    this._instructionStart = instructionStart;
    this._codeSize = codeSize;
    this._inliningId = inliningId;
  }

  get reason() {
    return this._reason;
  }

  get location() {
    return this._location;
  }

  toString() {
    return `Deopt(${this.type})`;
  }

  toStringLong() {
    return `Deopt(${this.type})${this._reason}: ${this._location}`;
  }

  static get propertyNames() {
    return ['type', 'reason', 'location', 'script', 'sourcePosition'];
  }
}

export class CodeLogEntry extends LogEntry {
  constructor(type, time, kind, entry) {
    super(type, time);
    this._kind = kind;
    this._entry = entry;
  }

  get kind() {
    return this._kind;
  }

  toString() {
    return `Code(${this.type})`;
  }

  toStringLong() {
    return `Code(${this.type}): ${this._entry.toString()}`;
  }

  get disassemble() {
    return this._entry?.source?.disassemble;
  }

  static get propertyNames() {
    return ['type', 'kind', 'script', 'sourcePosition'];
  }
}