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/IronPython_Main/Tools/IronStudio/IronPythonToolsCore/PyAnalysis/Interpreter/InterpreterScope.cs

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C# | 89 lines | 64 code | 12 blank | 13 comment | 7 complexity | e4d6dbeb5a6da7b13e39d48f91d9c26c MD5 | raw file
Possible License(s): GPL-2.0, MPL-2.0-no-copyleft-exception, CPL-1.0, CC-BY-SA-3.0, BSD-3-Clause, ISC, AGPL-3.0, LGPL-2.1, Apache-2.0 
    

  1. /* ****************************************************************************

    2. 

  2.  *

    3. 

  3.  * Copyright (c) Microsoft Corporation. 

    4. 

  4.  *

    5. 

  5.  * This source code is subject to terms and conditions of the Apache License, Version 2.0. A 

    6. 

  6.  * copy of the license can be found in the License.html file at the root of this distribution. If 

    7. 

  7.  * you cannot locate the Apache License, Version 2.0, please send an email to 

    8. 

  8.  * ironpy@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 

    9. 

  9.  * by the terms of the Apache License, Version 2.0.

    10. 

  10.  *

    11. 

  11.  * You must not remove this notice, or any other, from this software.

    12. 

  12.  *

    13. 

  13.  * ***************************************************************************/

    14. 

  14. 

    15. 

  15. using System.Collections.Generic;

    16. 

  16. using IronPython.Compiler.Ast;

    17. 

  17. using Microsoft.PyAnalysis.Values;

    18. 

  18. 

    19. 

  19. namespace Microsoft.PyAnalysis.Interpreter {

    20. 

  20.     abstract class InterpreterScope {

    21. 

  21.         private readonly Namespace _ns;

    22. 

  22.         private Dictionary<string, VariableDef> _variables = new Dictionary<string, VariableDef>();

    23. 

  23. 

    24. 

  24.         public InterpreterScope(Namespace ns) {

    25. 

  25.             _ns = ns;

    26. 

  26.         }

    27. 

  27. 

    28. 

  28.         public abstract string Name {

    29. 

  29.             get;

    30. 

  30.         }

    31. 

  31. 

    32. 

  32.         public void SetVariable(Node node, AnalysisUnit unit, string name, IEnumerable<Namespace> value, bool addRef = true) {

    33. 

  33.             var variable = CreateVariable(node, unit, name, false);

    34. 

  34.             

    35. 

  35.             variable.AddTypes(node, unit, value);

    36. 

  36.             if (addRef) {

    37. 

  37.                 variable.AddAssignment(node, unit);

    38. 

  38.             }

    39. 

  39.         }

    40. 

  40. 

    41. 

  41.         public VariableDef GetVariable(Node node, AnalysisUnit unit, string name, bool addRef = true) {

    42. 

  42.             VariableDef res;

    43. 

  43.             if (_variables.TryGetValue(name, out res)) {

    44. 

  44.                 if (addRef) {

    45. 

  45.                     res.AddReference(node, unit);

    46. 

  46.                 }

    47. 

  47.                 return res;

    48. 

  48.             }

    49. 

  49.             return null;

    50. 

  50.         }

    51. 

  51. 

    52. 

  52.         public VariableDef CreateVariable(Node node, AnalysisUnit unit, string name, bool addRef = true) {

    53. 

  53.             var res = GetVariable(node, unit, name, addRef);

    54. 

  54.             if (res == null) {

    55. 

  55.                 _variables[name] = res = new VariableDef();

    56. 

  56.                 if (addRef) {

    57. 

  57.                     res.AddReference(node, unit);

    58. 

  58.                 }

    59. 

  59.             }

    60. 

  60.             return res;

    61. 

  61.         }

    62. 

  62. 

    63. 

  63.         protected VariableDef CreateVariableWorker(Node node, AnalysisUnit unit, string name) {

    64. 

  64.             VariableDef res;

    65. 

  65.             if (!_variables.TryGetValue(name, out res)) {

    66. 

  66.                 _variables[name] = res = new VariableDef();

    67. 

  67.             }

    68. 

  68.             return res;

    69. 

  69.         }

    70. 

  70. 

    71. 

  71.         public IDictionary<string, VariableDef> Variables {

    72. 

  72.             get {

    73. 

  73.                 return _variables;

    74. 

  74.             }

    75. 

  75.         }

    76. 

  76. 

    77. 

  77.         public virtual bool VisibleToChildren {

    78. 

  78.             get {

    79. 

  79.                 return true;

    80. 

  80.             }

    81. 

  81.         }

    82. 

  82. 

    83. 

  83.         public Namespace Namespace {

    84. 

  84.             get {

    85. 

  85.                 return _ns;

    86. 

  86.             }

    87. 

  87.         }

    88. 

  88.     }

    89. 

  89. }

    90. 

  90.