1  /*
 2   * Copyright (C) 2019 Apple Inc. All rights reserved.
 3   *
 4   * Redistribution and use in source and binary forms, with or without
 5   * modification, are permitted provided that the following conditions
 6   * are met:
 7   * 1. Redistributions of source code must retain the above copyright
 8   *    notice, this list of conditions and the following disclaimer.
 9   * 2. Redistributions in binary form must reproduce the above copyright
10   *    notice, this list of conditions and the following disclaimer in the
11   *    documentation and/or other materials provided with the distribution.
12   *
13   * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24   */
25  
26  #pragma once
27  
28  #include "ExecutableToCodeBlockEdge.h"
29  #include "ScriptExecutable.h"
30  
31  namespace JSC {
32  
33  class GlobalExecutable : public ScriptExecutable {
34  public:
35      using Base = ScriptExecutable;
36      static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
37  
38      DECLARE_INFO;
39  
40      unsigned lastLine() const { return m_lastLine; }
41      unsigned endColumn() const { return m_endColumn; }
42  
43      void recordParse(CodeFeatures features, bool hasCapturedVariables, int lastLine, unsigned endColumn)
44      {
45          Base::recordParse(features, hasCapturedVariables);
46          m_lastLine = lastLine;
47          m_endColumn = endColumn;
48          ASSERT(endColumn != UINT_MAX);
49      }
50  
51  protected:
52      GlobalExecutable(Structure* structure, VM& vm, const SourceCode& sourceCode, bool isInStrictContext, DerivedContextType derivedContextType, bool isInArrowFunctionContext, bool isInsideOrdinaryFunction, EvalContextType evalContextType, Intrinsic intrinsic)
53          : Base(structure, vm, sourceCode, isInStrictContext, derivedContextType, isInArrowFunctionContext, isInsideOrdinaryFunction, evalContextType, intrinsic)
54      {
55      }
56  
57      int m_lastLine { -1 };
58      unsigned m_endColumn { UINT_MAX };
59  };
60  
61  } // namespace JSC