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| 1 // Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE.md file. | |
| 4 | |
| 5 library fletchc.fletch_compiler; | |
| 6 | |
| 7 import 'dart:async' show | |
| 8 Future; | |
| 9 | |
| 10 import 'dart:convert' show | |
| 11 UTF8; | |
| 12 | |
| 13 import 'dart:io' show | |
| 14 File, | |
| 15 Link, | |
| 16 Platform; | |
| 17 | |
| 18 import 'package:compiler/compiler_new.dart' show | |
| 19 CompilerInput, | |
| 20 CompilerOutput, | |
| 21 CompilerDiagnostics; | |
| 22 | |
| 23 import 'package:compiler/src/source_file_provider.dart' show | |
| 24 CompilerSourceFileProvider, | |
| 25 FormattingDiagnosticHandler, | |
| 26 SourceFileProvider; | |
| 27 | |
| 28 import 'package:compiler/src/filenames.dart' show | |
| 29 appendSlash; | |
| 30 | |
| 31 import 'src/fletch_native_descriptor.dart' show | |
| 32 FletchNativeDescriptor; | |
| 33 | |
| 34 import 'src/fletch_backend.dart' show | |
| 35 FletchBackend; | |
| 36 | |
| 37 import 'package:compiler/src/apiimpl.dart' as apiimpl; | |
| 38 | |
| 39 import 'src/fletch_compiler_implementation.dart' show | |
| 40 FletchCompilerImplementation, | |
| 41 OutputProvider; | |
| 42 | |
| 43 import 'fletch_system.dart'; | |
| 44 | |
| 45 import 'incremental/fletchc_incremental.dart' show | |
| 46 IncrementalCompiler, | |
| 47 IncrementalMode; | |
| 48 | |
| 49 import 'src/guess_configuration.dart' show | |
| 50 executable, | |
| 51 guessFletchVm; | |
| 52 | |
| 53 const String _LIBRARY_ROOT = | |
| 54 const String.fromEnvironment("fletchc-library-root"); | |
| 55 | |
| 56 const String fletchDeviceType = | |
| 57 const String.fromEnvironment("fletch.device-type"); | |
| 58 const String _NATIVES_JSON = | |
| 59 const String.fromEnvironment("fletch-natives-json"); | |
| 60 | |
| 61 const String StringOrUri = "String or Uri"; | |
| 62 | |
| 63 class FletchCompiler { | |
| 64 final FletchCompilerImplementation _compiler; | |
| 65 | |
| 66 final Uri script; | |
| 67 | |
| 68 final bool verbose; | |
| 69 | |
| 70 final String platform; | |
| 71 | |
| 72 final Uri nativesJson; | |
| 73 | |
| 74 FletchCompiler._( | |
| 75 this._compiler, | |
| 76 this.script, | |
| 77 this.verbose, | |
| 78 this.platform, | |
| 79 this.nativesJson); | |
| 80 | |
| 81 Backdoor get backdoor => new Backdoor(this); | |
| 82 | |
| 83 factory FletchCompiler( | |
| 84 {CompilerInput provider, | |
| 85 CompilerOutput outputProvider, | |
| 86 CompilerDiagnostics handler, | |
| 87 @StringOrUri libraryRoot, | |
| 88 @StringOrUri packageConfig, | |
| 89 @StringOrUri script, | |
| 90 @StringOrUri fletchVm, | |
| 91 @StringOrUri currentDirectory, | |
| 92 @StringOrUri nativesJson, | |
| 93 List<String> options, | |
| 94 Map<String, dynamic> environment, | |
| 95 String platform, | |
| 96 IncrementalCompiler incrementalCompiler}) { | |
| 97 | |
| 98 Uri base = _computeValidatedUri( | |
| 99 currentDirectory, name: 'currentDirectory', ensureTrailingSlash: true); | |
| 100 if (base == null) { | |
| 101 base = Uri.base; | |
| 102 } | |
| 103 | |
| 104 if (options == null) { | |
| 105 options = <String>[]; | |
| 106 } else { | |
| 107 options = new List<String>.from(options); | |
| 108 } | |
| 109 | |
| 110 options.add("--platform-config=$platform"); | |
| 111 | |
| 112 final bool isVerbose = apiimpl.CompilerImpl.hasOption(options, '--verbose'); | |
| 113 | |
| 114 if (provider == null) { | |
| 115 provider = new CompilerSourceFileProvider() | |
| 116 ..cwd = base; | |
| 117 } | |
| 118 | |
| 119 if (handler == null) { | |
| 120 SourceFileProvider sourceFileProvider = null; | |
| 121 if (provider is SourceFileProvider) { | |
| 122 sourceFileProvider = provider; | |
| 123 } | |
| 124 handler = new FormattingDiagnosticHandler(sourceFileProvider) | |
| 125 ..throwOnError = false | |
| 126 ..verbose = isVerbose; | |
| 127 } | |
| 128 | |
| 129 if (outputProvider == null) { | |
| 130 outputProvider = new OutputProvider(); | |
| 131 } | |
| 132 | |
| 133 if (libraryRoot == null && _LIBRARY_ROOT != null) { | |
| 134 libraryRoot = executable.resolve(appendSlash(_LIBRARY_ROOT)); | |
| 135 } | |
| 136 libraryRoot = _computeValidatedUri( | |
| 137 libraryRoot, name: 'libraryRoot', ensureTrailingSlash: true, | |
| 138 base: base); | |
| 139 if (libraryRoot == null) { | |
| 140 libraryRoot = _guessLibraryRoot(platform); | |
| 141 if (libraryRoot == null) { | |
| 142 throw new StateError(""" | |
| 143 Unable to guess the location of the Dart SDK (libraryRoot). | |
| 144 Try adding command-line option '-Ddart-sdk=<location of the Dart sdk>'."""); | |
| 145 } | |
| 146 } else if (!_looksLikeLibraryRoot(libraryRoot, platform)) { | |
| 147 throw new ArgumentError( | |
| 148 "[libraryRoot]: Dart SDK library not found in '$libraryRoot'."); | |
| 149 } | |
| 150 | |
| 151 script = _computeValidatedUri(script, name: 'script', base: base); | |
| 152 | |
| 153 packageConfig = _computeValidatedUri( | |
| 154 packageConfig, name: 'packageConfig', base: base); | |
| 155 if (packageConfig == null) { | |
| 156 if (script != null) { | |
| 157 packageConfig = script.resolve('.packages'); | |
| 158 } else { | |
| 159 packageConfig = base.resolve('.packages'); | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 fletchVm = guessFletchVm( | |
| 164 _computeValidatedUri(fletchVm, name: 'fletchVm', base: base)); | |
| 165 | |
| 166 if (environment == null) { | |
| 167 environment = <String, dynamic>{}; | |
| 168 } | |
| 169 | |
| 170 if (nativesJson == null && _NATIVES_JSON != null) { | |
| 171 nativesJson = base.resolve(_NATIVES_JSON); | |
| 172 } | |
| 173 nativesJson = _computeValidatedUri( | |
| 174 nativesJson, name: 'nativesJson', base: base); | |
| 175 | |
| 176 if (nativesJson == null) { | |
| 177 nativesJson = _guessNativesJson(); | |
| 178 if (nativesJson == null) { | |
| 179 throw new StateError( | |
| 180 """ | |
| 181 Unable to guess the location of the 'natives.json' file (nativesJson). | |
| 182 Try adding command-line option '-Dfletch-natives-json=<path to natives.json>.""" | |
| 183 ); | |
| 184 } | |
| 185 } else if (!_looksLikeNativesJson(nativesJson)) { | |
| 186 throw new ArgumentError( | |
| 187 "[nativesJson]: natives.json not found in '$nativesJson'."); | |
| 188 } | |
| 189 | |
| 190 FletchCompilerImplementation compiler = new FletchCompilerImplementation( | |
| 191 provider, | |
| 192 outputProvider, | |
| 193 handler, | |
| 194 libraryRoot, | |
| 195 packageConfig, | |
| 196 nativesJson, | |
| 197 options, | |
| 198 environment, | |
| 199 fletchVm, | |
| 200 incrementalCompiler); | |
| 201 | |
| 202 compiler.log("Using library root: $libraryRoot"); | |
| 203 compiler.log("Using package config: $packageConfig"); | |
| 204 | |
| 205 var helper = new FletchCompiler._( | |
| 206 compiler, script, isVerbose, platform, nativesJson); | |
| 207 compiler.helper = helper; | |
| 208 return helper; | |
| 209 } | |
| 210 | |
| 211 Future<FletchDelta> run([@StringOrUri script]) async { | |
| 212 // TODO(ahe): Need a base argument. | |
| 213 script = _computeValidatedUri(script, name: 'script'); | |
| 214 if (script == null) { | |
| 215 script = this.script; | |
| 216 } | |
| 217 if (script == null) { | |
| 218 throw new StateError("No [script] provided."); | |
| 219 } | |
| 220 await _inititalizeContext(); | |
| 221 FletchBackend backend = _compiler.backend; | |
| 222 return _compiler.run(script).then((_) => backend.computeDelta()); | |
| 223 } | |
| 224 | |
| 225 Future _inititalizeContext() async { | |
| 226 var data = await _compiler.callUserProvider(nativesJson); | |
| 227 if (data is! String) { | |
| 228 if (data.last == 0) { | |
| 229 data = data.sublist(0, data.length - 1); | |
| 230 } | |
| 231 data = UTF8.decode(data); | |
| 232 } | |
| 233 Map<String, FletchNativeDescriptor> natives = | |
| 234 <String, FletchNativeDescriptor>{}; | |
| 235 Map<String, String> names = <String, String>{}; | |
| 236 FletchNativeDescriptor.decode(data, natives, names); | |
| 237 _compiler.context.nativeDescriptors = natives; | |
| 238 _compiler.context.setNames(names); | |
| 239 } | |
| 240 | |
| 241 Uri get fletchVm => _compiler.fletchVm; | |
| 242 | |
| 243 /// Create a new instance of [IncrementalCompiler]. | |
| 244 IncrementalCompiler newIncrementalCompiler( | |
| 245 IncrementalMode support, | |
| 246 {List<String> options: const <String>[]}) { | |
| 247 return new IncrementalCompiler( | |
| 248 libraryRoot: _compiler.libraryRoot, | |
| 249 packageConfig: _compiler.packageConfig, | |
| 250 fletchVm: _compiler.fletchVm, | |
| 251 nativesJson: _compiler.nativesJson, | |
| 252 inputProvider: _compiler.provider, | |
| 253 diagnosticHandler: _compiler.handler, | |
| 254 options: options, | |
| 255 outputProvider: _compiler.userOutputProvider, | |
| 256 environment: _compiler.environment, | |
| 257 support: support, | |
| 258 platform: platform); | |
| 259 } | |
| 260 } | |
| 261 | |
| 262 // Backdoor around Dart privacy. For now, certain components (in particular | |
| 263 // incremental compilation) need access to implementation details that shouldn't | |
| 264 // be part of the API of this file. | |
| 265 // TODO(ahe): Delete this class. | |
| 266 class Backdoor { | |
| 267 final FletchCompiler _compiler; | |
| 268 | |
| 269 Backdoor(this._compiler); | |
| 270 | |
| 271 Future<FletchCompilerImplementation> get compilerImplementation async { | |
| 272 await _compiler._inititalizeContext(); | |
| 273 return _compiler._compiler; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 /// Resolves any symbolic links in [uri] if its scheme is "file". Otherwise | |
| 278 /// return the given [uri]. | |
| 279 Uri _resolveSymbolicLinks(Uri uri) { | |
| 280 if (uri.scheme != 'file') return uri; | |
| 281 File apparentLocation = new File.fromUri(uri); | |
| 282 String realLocation = apparentLocation.resolveSymbolicLinksSync(); | |
| 283 if (uri.path.endsWith("/")) { | |
| 284 realLocation = appendSlash(realLocation); | |
| 285 } | |
| 286 return new Uri.file(realLocation); | |
| 287 } | |
| 288 | |
| 289 bool _containsFile(Uri uri, String expectedFile) { | |
| 290 if (uri.scheme != 'file') return true; | |
| 291 return new File.fromUri(uri.resolve(expectedFile)).existsSync(); | |
| 292 } | |
| 293 | |
| 294 bool _looksLikeLibraryRoot(Uri uri, String platform) { | |
| 295 return _containsFile(uri, platform); | |
| 296 } | |
| 297 | |
| 298 Uri _computeValidatedUri( | |
| 299 @StringOrUri stringOrUri, | |
| 300 {String name, | |
| 301 bool ensureTrailingSlash: false, | |
| 302 Uri base}) { | |
| 303 if (base == null) { | |
| 304 base = Uri.base; | |
| 305 } | |
| 306 assert(name != null); | |
| 307 if (stringOrUri == null) { | |
| 308 return null; | |
| 309 } else if (stringOrUri is String) { | |
| 310 if (ensureTrailingSlash) { | |
| 311 stringOrUri = appendSlash(stringOrUri); | |
| 312 } | |
| 313 return base.resolve(stringOrUri); | |
| 314 } else if (stringOrUri is Uri) { | |
| 315 return base.resolveUri(stringOrUri); | |
| 316 } else { | |
| 317 throw new ArgumentError("[$name] should be a String or a Uri."); | |
| 318 } | |
| 319 } | |
| 320 | |
| 321 Uri _guessLibraryRoot(String platform) { | |
| 322 // When running from fletch, [executable] is | |
| 323 // ".../fletch-repo/fletch/out/$CONFIGURATION/dart", which means that the | |
| 324 // fletch root is the lib directory in the 2th parent directory (due to | |
| 325 // how URI resolution works, the filename ("dart") is removed before | |
| 326 // resolving, for example, | |
| 327 // ".../fletch-repo/fletch/out/$CONFIGURATION/../../" becomes | |
| 328 // ".../fletch-repo/fletch/"). | |
| 329 Uri guess = executable.resolve('../../lib/'); | |
| 330 if (_looksLikeLibraryRoot(guess, platform)) return guess; | |
| 331 return null; | |
| 332 } | |
| 333 | |
| 334 bool _looksLikeNativesJson(Uri uri) { | |
| 335 return new File.fromUri(uri).existsSync(); | |
| 336 } | |
| 337 | |
| 338 Uri _guessNativesJson() { | |
| 339 Uri uri = executable.resolve('natives.json'); | |
| 340 return _looksLikeNativesJson(uri) ? uri : null; | |
| 341 } | |
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Chromium Code Reviews
Issue 1659163007:
Rename fletch -> dartino (Closed)
Base URL: https://github.com/dartino/sdk.git@master