ClearScript/ClearScript/Windows/WindowsScriptEngine.Debug.cs at master · Nir1812/ClearScript · GitHub

History

277 lines (220 loc) · 8.91 KB

Raw

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

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

// Licensed under the MIT license.

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Runtime.InteropServices;

using Microsoft.ClearScript.Util;

using Microsoft.ClearScript.Util.COM;

namespace Microsoft.ClearScript.Windows

{

public abstract partial class WindowsScriptEngine

{

#region Nested type: DebugDocument

private sealed class DebugDocument : IDebugDocumentInfo, IDebugDocumentProvider, IDebugDocument, IDebugDocumentText

{

private readonly WindowsScriptEngine engine;

private readonly UIntPtr sourceContext;

private readonly UniqueDocumentInfo documentInfo;

private readonly string code;

private string[] codeLines;

private IDebugApplicationNode node;

public DebugDocument(WindowsScriptEngine engine, UIntPtr sourceContext, UniqueDocumentInfo documentInfo, string code)

{

this.engine = engine;

this.sourceContext = sourceContext;

this.documentInfo = documentInfo;

this.code = code;

Initialize();

}

private void Initialize()

{

codeLines = code.Split('\n').Select(line => line + '\n').ToArray();

engine.debugApplication.CreateApplicationNode(out node);

node.SetDocumentProvider(this);

IDebugApplicationNode rootNode;

engine.debugApplication.GetRootNode(out rootNode);

node.Attach(rootNode);

}

public string Code

{

get { return code; }

}

public void Close()

{

node.Detach();

node.Close();

node = null;

}

private string GetFileName()

{

return Path.HasExtension(documentInfo.Name) ? documentInfo.Name : Path.ChangeExtension(documentInfo.Name, engine.FileNameExtension);

}

private string GetUrl()

{

if (documentInfo.Uri != null)

{

return documentInfo.Uri.IsAbsoluteUri ? documentInfo.Uri.AbsoluteUri : documentInfo.Uri.ToString();

}

return MiscHelpers.FormatInvariant("{0}/{1}", engine.Name, GetFileName());

}

private bool TryGetSourceMapUrl(out string sourceMapUrl)

{

if (documentInfo.SourceMapUri != null)

{

sourceMapUrl = documentInfo.SourceMapUri.IsAbsoluteUri ? documentInfo.SourceMapUri.AbsoluteUri : documentInfo.SourceMapUri.ToString();

return true;

}

sourceMapUrl = null;

return false;

}

#region IDebugDocumentInfo implementation

public uint GetName(DocumentNameType type, out string documentName)

{

switch (type)

{

case DocumentNameType.Title:

documentName = documentInfo.Name;

return HResult.S_OK;

case DocumentNameType.FileTail:

documentName = GetFileName();

return HResult.S_OK;

case DocumentNameType.URL:

documentName = GetUrl();

return HResult.S_OK;

case DocumentNameType.AppNode:

case DocumentNameType.UniqueTitle:

documentName = documentInfo.UniqueName;

return HResult.S_OK;

case DocumentNameType.SourceMapURL:

return TryGetSourceMapUrl(out documentName) ? HResult.S_OK : HResult.E_FAIL.ToUnsigned();

}

documentName = null;

return HResult.E_FAIL.ToUnsigned();

}

public void GetDocumentClassId(out Guid clsid)

{

clsid = Guid.Empty;

}

#endregion

#region IDebugDocumentProvider implementation

public void GetDocument(out IDebugDocument document)

{

document = this;

}

#endregion

#region IDebugDocument implementation

#endregion

#region IDebugDocumentText implementation

public void GetDocumentAttributes(out TextDocAttrs attrs)

{

attrs = TextDocAttrs.ReadOnly;

}

public void GetSize(out uint numLines, out uint length)

{

numLines = (uint)codeLines.Length;

length = (uint)code.Length;

}

public void GetPositionOfLine(uint lineNumber, out uint position)

{

if (lineNumber >= codeLines.Length)

{

throw new ArgumentOutOfRangeException("lineNumber");

}

position = 0;

for (var index = 0; index < lineNumber; index++)

{

position += (uint)codeLines[index].Length;

}

public void GetLineOfPosition(uint position, out uint lineNumber, out uint offsetInLine)

{

if (position >= code.Length)

{

throw new ArgumentOutOfRangeException("position");

}

offsetInLine = position;

for (lineNumber = 0; lineNumber < codeLines.Length; lineNumber++)

{

var lineLength = (uint)codeLines[lineNumber].Length;

if (offsetInLine < lineLength)

{

break;

}

offsetInLine -= lineLength;

}

public void GetText(uint position, IntPtr pChars, IntPtr pAttrs, ref uint length, uint maxChars)

{

var codeLength = (uint)code.Length;

if (position < codeLength)

{

length = Math.Min(codeLength - position, maxChars);

if (pChars != IntPtr.Zero)

{

Marshal.Copy(code.ToCharArray(), (int)position, pChars, (int)length);

}

if (pAttrs != IntPtr.Zero)

{

var attrs = Enumerable.Repeat((short)SourceTextAttrs.None, (int)length).ToArray();

Marshal.Copy(attrs, 0, pAttrs, (int)length);

}

public void GetPositionOfContext(IDebugDocumentContext context, out uint position, out uint length)

{

var documentContext = (DebugDocumentContext)context;

position = documentContext.Position;

length = documentContext.Length;

}

public void GetContextOfPosition(uint position, uint length, out IDebugDocumentContext context)

{

IEnumDebugCodeContexts enumCodeContexts;

engine.activeScript.EnumCodeContextsOfPosition(sourceContext, position, length, out enumCodeContexts);

context = new DebugDocumentContext(this, position, length, enumCodeContexts);

}

#endregion

}

#endregion

#region Nested type: DebugDocumentMap

private sealed class DebugDocumentMap : Dictionary<UIntPtr, DebugDocument>

{

}

#endregion

#region Nested type: DebugDocumentContext

private sealed class DebugDocumentContext : IDebugDocumentContext

{

private readonly DebugDocument document;

private readonly uint position;

private readonly uint length;

private readonly IEnumDebugCodeContexts enumCodeContexts;

public DebugDocumentContext(DebugDocument document, uint position, uint length, IEnumDebugCodeContexts enumCodeContexts)

{

this.document = document;

this.position = position;

this.length = length;

this.enumCodeContexts = enumCodeContexts;

}

public uint Position

{

get { return position; }

}

public uint Length

{

get { return length; }

}

#region IDebugDocumentContext implementation

public void GetDocument(out IDebugDocument debugDocument)

{

debugDocument = document;

}

public void EnumCodeContexts(out IEnumDebugCodeContexts enumContexts)

{

enumCodeContexts.Clone(out enumContexts);

}

#endregion

}

#endregion

}

ClearScript/ClearScript/Windows/WindowsScriptEngine.Debug.cs at master · Nir1812/ClearScript · GitHub

Expand file tree

Breadcrumbs

WindowsScriptEngine.Debug.cs

Latest commit

History

Breadcrumbs

WindowsScriptEngine.Debug.cs

File metadata and controls