FilesExpand file tree

 develop

/

HostedScriptEngine.cs

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

155 lines (128 loc) · 4.91 KB

 develop

/

HostedScriptEngine.cs

Copy path

Top

File metadata and controls

• Code
• Blame

155 lines (128 loc) · 4.91 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

/*----------------------------------------------------------

This Source Code Form is subject to the terms of the

Mozilla Public License, v.2.0. If a copy of the MPL

was not distributed with this file, You can obtain one

at http://mozilla.org/MPL/2.0/.

----------------------------------------------------------*/

using System;

using OneScript.Sources;

using ScriptEngine.Machine;

using OneScript.Commons;

using OneScript.Compilation;

using OneScript.Contexts;

using OneScript.DependencyInjection;

using OneScript.Execution;

using OneScript.StandardLibrary;

using OneScript.StandardLibrary.Tasks;

using ScriptEngine.Machine.Contexts;

namespace ScriptEngine.HostedScript

{

public class HostedScriptEngine : IDisposable

{

private readonly ScriptingEngine _engine;

private SystemGlobalContext _globalCtx;

private readonly IRuntimeEnvironment _env;

private bool _isInitialized;

private readonly OneScriptLibraryOptions _workingConfig;

public HostedScriptEngine(ScriptingEngine engine)

{

_engine = engine;

_env = _engine.Environment;

_engine.AttachAssembly(typeof(HostedScriptEngine).Assembly);

_workingConfig = _engine.Services.Resolve<OneScriptLibraryOptions>();

SetGlobalContexts(engine.GlobalsManager);

}

public ScriptingEngine Engine => _engine;

private void SetGlobalContexts(IGlobalsManager manager)

{

_globalCtx = new SystemGlobalContext();

_globalCtx.EngineInstance = _engine;

_env.InjectObject(_globalCtx);

manager.RegisterInstance(_globalCtx);

var dynLoader = new DynamicLoadingFunctions(_engine);

_env.InjectObject(dynLoader);

manager.RegisterInstance(dynLoader);

var bgTasksManager = new BackgroundTasksManager(_engine.Services.Resolve<ExecutionContext>());

_env.InjectGlobalProperty(bgTasksManager, "ФоновыеЗадания", "BackgroundJobs", true);

}

public void Initialize()

{

if (!_isInitialized)

{

_engine.Initialize();

_isInitialized = true;

}

// System language

var systemLanguageCfg = _workingConfig.SystemLanguage;

Locale.SystemLanguageISOName = systemLanguageCfg ?? System.Globalization.CultureInfo.CurrentCulture.TwoLetterISOLanguageName;

}

public void InjectGlobalProperty(string name, string alias, IValue value, bool readOnly)

{

_env.InjectGlobalProperty(value, name, alias, readOnly);

}

public void InjectObject(IAttachableContext obj)

{

_env.InjectObject(obj);

}

public ScriptSourceFactory Loader => _engine.Loader;

public ICompilerFrontend GetCompilerService()

{

var compilerSvc = _engine.GetCompilerService();

compilerSvc.FillSymbols(typeof(UserScriptContextInstance));

return compilerSvc;

}

public Process CreateProcess(IHostApplication host, SourceCode src)

{

Initialize();

SetGlobalEnvironment(host, src);

if (_engine.Debugger.IsEnabled)

{

_engine.Debugger.Start();

_engine.Debugger.GetSession().WaitReadyToRun();

}

var compilerSvc = GetCompilerService();

DefineConstants(compilerSvc);

IExecutableModule module;

var bslProcess = _engine.NewProcess();

try

{

module = compilerSvc.Compile(src, bslProcess);

}

catch (CompilerException)

{

_engine.Debugger.NotifyProcessExit(1);

throw;

}

return InitProcess(bslProcess, host, module);

}

private void DefineConstants(ICompilerFrontend compilerSvc)

{

var definitions = _workingConfig.PreprocessorDefinitions;

foreach (var val in definitions)

{

compilerSvc.PreprocessorDefinitions.Add(val);

}

if (Utils.IsMonoRuntime)

{

compilerSvc.PreprocessorDefinitions.Add("MONO");

}

}

public IServiceContainer Services => _engine.Services;

public void SetGlobalEnvironment(IHostApplication host, SourceCode src)

{

_globalCtx.ApplicationHost = host;

_globalCtx.CodeSource = src;

_globalCtx.InitInstance();

}

private Process InitProcess(IBslProcess bslProcess, IHostApplication host, IExecutableModule module)

{

Initialize();

var process = new Process(bslProcess, host, module, _engine);

return process;

}

public void Dispose()

{

_engine?.Dispose();

}

}

}