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| 1 # Copyright (C) 2013 Google Inc. All rights reserved. | |
| 2 # coding=utf-8 | |
| 3 # | |
| 4 # Redistribution and use in source and binary forms, with or without | |
| 5 # modification, are permitted provided that the following conditions are | |
| 6 # met: | |
| 7 # | |
| 8 # * Redistributions of source code must retain the above copyright | |
| 9 # notice, this list of conditions and the following disclaimer. | |
| 10 # * Redistributions in binary form must reproduce the above | |
| 11 # copyright notice, this list of conditions and the following disclaimer | |
| 12 # in the documentation and/or other materials provided with the | |
| 13 # distribution. | |
| 14 # * Neither the name of Google Inc. nor the names of its | |
| 15 # contributors may be used to endorse or promote products derived from | |
| 16 # this software without specific prior written permission. | |
| 17 # | |
| 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 """Generate template values for an interface. | |
| 31 | |
| 32 Design doc: http://www.chromium.org/developers/design-documents/idl-compiler | |
| 33 """ | |
| 34 | |
| 35 from collections import defaultdict | |
| 36 import itertools | |
| 37 from operator import itemgetter | |
| 38 | |
| 39 import idl_types | |
| 40 from idl_types import IdlType, inherits_interface, IdlArrayOrSequenceType, IdlAr
rayType | |
| 41 import dart_attributes | |
| 42 import dart_methods | |
| 43 import dart_types | |
| 44 from dart_utilities import DartUtilities | |
| 45 from v8_globals import includes | |
| 46 import v8_attributes | |
| 47 import v8_interface | |
| 48 | |
| 49 | |
| 50 INTERFACE_H_INCLUDES = frozenset([ | |
| 51 'bindings/core/dart/DartDOMWrapper.h', | |
| 52 'platform/heap/Handle.h', | |
| 53 ]) | |
| 54 | |
| 55 INTERFACE_CPP_INCLUDES = frozenset([ | |
| 56 | |
| 57 'bindings/core/dart/DartUtilities.h', | |
| 58 'wtf/GetPtr.h', | |
| 59 'wtf/RefPtr.h', | |
| 60 ]) | |
| 61 | |
| 62 | |
| 63 # TODO(terry): Temporary to not generate a method, getter/setter. Format is: | |
| 64 # | |
| 65 # interface_name.method_name | |
| 66 # interface_name.get:attribute_name | |
| 67 # interface_name.set:attribute_name | |
| 68 # | |
| 69 # Ultimate solution add a special attribute flag to IDL to signal | |
| 70 # don't generate IDL entry in Dart (e.g., DartNoGenerate)? | |
| 71 IGNORE_MEMBERS = frozenset([ | |
| 72 'AudioBufferSourceNode.looping', # TODO(vsm): Use deprecated IDL annotation | |
| 73 'CSSStyleDeclaration.getPropertyCSSValue', | |
| 74 'CanvasRenderingContext2D.clearShadow', | |
| 75 'CanvasRenderingContext2D.drawImageFromRect', | |
| 76 'CanvasRenderingContext2D.setAlpha', | |
| 77 'CanvasRenderingContext2D.setCompositeOperation', | |
| 78 'CanvasRenderingContext2D.setFillColor', | |
| 79 'CanvasRenderingContext2D.setLineCap', | |
| 80 'CanvasRenderingContext2D.setLineJoin', | |
| 81 'CanvasRenderingContext2D.setLineWidth', | |
| 82 'CanvasRenderingContext2D.setMiterLimit', | |
| 83 'CanvasRenderingContext2D.setShadow', | |
| 84 'CanvasRenderingContext2D.setStrokeColor', | |
| 85 'CharacterData.remove', | |
| 86 'Window.call:blur', | |
| 87 'Window.call:focus', | |
| 88 'Window.clientInformation', | |
| 89 'Window.createImageBitmap', | |
| 90 'Window.get:frames', | |
| 91 'Window.get:length', | |
| 92 'Window.on:beforeUnload', | |
| 93 'Window.on:webkitTransitionEnd', | |
| 94 'Window.pagePopupController', | |
| 95 'Window.prompt', | |
| 96 'Window.webkitCancelAnimationFrame', | |
| 97 'Window.webkitCancelRequestAnimationFrame', | |
| 98 'Window.webkitIndexedDB', | |
| 99 'Window.webkitRequestAnimationFrame', | |
| 100 'Document.alinkColor', | |
| 101 'HTMLDocument.all', | |
| 102 'Document.applets', | |
| 103 'Document.bgColor', | |
| 104 'Document.clear', | |
| 105 'Document.createAttribute', | |
| 106 'Document.createAttributeNS', | |
| 107 'Document.createComment', | |
| 108 'Document.createExpression', | |
| 109 'Document.createNSResolver', | |
| 110 'Document.createProcessingInstruction', | |
| 111 'Document.designMode', | |
| 112 'Document.dir', | |
| 113 'Document.evaluate', | |
| 114 'Document.fgColor', | |
| 115 'Document.get:URL', | |
| 116 'Document.get:anchors', | |
| 117 'Document.get:characterSet', | |
| 118 'Document.get:compatMode', | |
| 119 'Document.get:defaultCharset', | |
| 120 'Document.get:doctype', | |
| 121 'Document.get:documentURI', | |
| 122 'Document.get:embeds', | |
| 123 'Document.get:forms', | |
| 124 'Document.get:inputEncoding', | |
| 125 'Document.get:links', | |
| 126 'Document.get:plugins', | |
| 127 'Document.get:scripts', | |
| 128 'Document.get:xmlEncoding', | |
| 129 'Document.getElementsByTagNameNS', | |
| 130 'Document.getOverrideStyle', | |
| 131 'Document.getSelection', | |
| 132 'Document.images', | |
| 133 'Document.linkColor', | |
| 134 'Document.location', | |
| 135 'Document.on:wheel', | |
| 136 'Document.open', | |
| 137 'Document.register', | |
| 138 'Document.set:domain', | |
| 139 'Document.vlinkColor', | |
| 140 'Document.webkitCurrentFullScreenElement', | |
| 141 'Document.webkitFullScreenKeyboardInputAllowed', | |
| 142 'Document.write', | |
| 143 'Document.writeln', | |
| 144 'Document.xmlStandalone', | |
| 145 'Document.xmlVersion', | |
| 146 'DocumentFragment.children', | |
| 147 'DocumentType.*', | |
| 148 'DOMException.code', | |
| 149 'DOMException.ABORT_ERR', | |
| 150 'DOMException.DATA_CLONE_ERR', | |
| 151 'DOMException.DOMSTRING_SIZE_ERR', | |
| 152 'DOMException.HIERARCHY_REQUEST_ERR', | |
| 153 'DOMException.INDEX_SIZE_ERR', | |
| 154 'DOMException.INUSE_ATTRIBUTE_ERR', | |
| 155 'DOMException.INVALID_ACCESS_ERR', | |
| 156 'DOMException.INVALID_CHARACTER_ERR', | |
| 157 'DOMException.INVALID_MODIFICATION_ERR', | |
| 158 'DOMException.INVALID_NODE_TYPE_ERR', | |
| 159 'DOMException.INVALID_STATE_ERR', | |
| 160 'DOMException.NAMESPACE_ERR', | |
| 161 'DOMException.NETWORK_ERR', | |
| 162 'DOMException.NOT_FOUND_ERR', | |
| 163 'DOMException.NOT_SUPPORTED_ERR', | |
| 164 'DOMException.NO_DATA_ALLOWED_ERR', | |
| 165 'DOMException.NO_MODIFICATION_ALLOWED_ERR', | |
| 166 'DOMException.QUOTA_EXCEEDED_ERR', | |
| 167 'DOMException.SECURITY_ERR', | |
| 168 'DOMException.SYNTAX_ERR', | |
| 169 'DOMException.TIMEOUT_ERR', | |
| 170 'DOMException.TYPE_MISMATCH_ERR', | |
| 171 'DOMException.URL_MISMATCH_ERR', | |
| 172 'DOMException.VALIDATION_ERR', | |
| 173 'DOMException.WRONG_DOCUMENT_ERR', | |
| 174 'Element.accessKey', | |
| 175 'Element.dataset', | |
| 176 'Element.get:classList', | |
| 177 'Element.getAttributeNode', | |
| 178 'Element.getAttributeNodeNS', | |
| 179 'Element.getElementsByTagNameNS', | |
| 180 'Element.innerText', | |
| 181 'Element.on:wheel', | |
| 182 'Element.outerText', | |
| 183 'Element.removeAttributeNode', | |
| 184 'Element.set:outerHTML', | |
| 185 'Element.setAttributeNode', | |
| 186 'Element.setAttributeNodeNS', | |
| 187 'Element.webkitCreateShadowRoot', | |
| 188 'Element.webkitMatchesSelector', | |
| 189 'Element.webkitPseudo', | |
| 190 'Element.webkitShadowRoot', | |
| 191 '=Event.returnValue', # Only suppress on Event, allow for BeforeUnloadEvent
. | |
| 192 'Event.srcElement', | |
| 193 'EventSource.URL', | |
| 194 'FontFace.ready', | |
| 195 'FontFaceSet.load', | |
| 196 'FontFaceSet.ready', | |
| 197 'HTMLAnchorElement.charset', | |
| 198 'HTMLAnchorElement.coords', | |
| 199 'HTMLAnchorElement.rev', | |
| 200 'HTMLAnchorElement.shape', | |
| 201 'HTMLAnchorElement.text', | |
| 202 'HTMLAppletElement.*', | |
| 203 'HTMLAreaElement.noHref', | |
| 204 'HTMLBRElement.clear', | |
| 205 'HTMLBaseFontElement.*', | |
| 206 'HTMLBodyElement.aLink', | |
| 207 'HTMLBodyElement.background', | |
| 208 'HTMLBodyElement.bgColor', | |
| 209 'HTMLBodyElement.link', | |
| 210 'HTMLBodyElement.on:beforeUnload', | |
| 211 'HTMLBodyElement.text', | |
| 212 'HTMLBodyElement.vLink', | |
| 213 'HTMLDListElement.compact', | |
| 214 'HTMLDirectoryElement.*', | |
| 215 'HTMLDivElement.align', | |
| 216 'HTMLFontElement.*', | |
| 217 'HTMLFormControlsCollection.__getter__', | |
| 218 'HTMLFormElement.get:elements', | |
| 219 'HTMLFrameElement.*', | |
| 220 'HTMLFrameSetElement.*', | |
| 221 'HTMLHRElement.align', | |
| 222 'HTMLHRElement.noShade', | |
| 223 'HTMLHRElement.size', | |
| 224 'HTMLHRElement.width', | |
| 225 'HTMLHeadElement.profile', | |
| 226 'HTMLHeadingElement.align', | |
| 227 'HTMLHtmlElement.manifest', | |
| 228 'HTMLHtmlElement.version', | |
| 229 'HTMLIFrameElement.align', | |
| 230 'HTMLIFrameElement.frameBorder', | |
| 231 'HTMLIFrameElement.longDesc', | |
| 232 'HTMLIFrameElement.marginHeight', | |
| 233 'HTMLIFrameElement.marginWidth', | |
| 234 'HTMLIFrameElement.scrolling', | |
| 235 'HTMLImageElement.align', | |
| 236 'HTMLImageElement.hspace', | |
| 237 'HTMLImageElement.longDesc', | |
| 238 'HTMLImageElement.name', | |
| 239 'HTMLImageElement.vspace', | |
| 240 'HTMLInputElement.align', | |
| 241 'HTMLLegendElement.align', | |
| 242 'HTMLLinkElement.charset', | |
| 243 'HTMLLinkElement.rev', | |
| 244 'HTMLLinkElement.target', | |
| 245 'HTMLMarqueeElement.*', | |
| 246 'HTMLMenuElement.compact', | |
| 247 'HTMLMetaElement.scheme', | |
| 248 'HTMLOListElement.compact', | |
| 249 'HTMLObjectElement.align', | |
| 250 'HTMLObjectElement.archive', | |
| 251 'HTMLObjectElement.border', | |
| 252 'HTMLObjectElement.codeBase', | |
| 253 'HTMLObjectElement.codeType', | |
| 254 'HTMLObjectElement.declare', | |
| 255 'HTMLObjectElement.hspace', | |
| 256 'HTMLObjectElement.standby', | |
| 257 'HTMLObjectElement.vspace', | |
| 258 'HTMLOptionElement.text', | |
| 259 'HTMLOptionsCollection.*', | |
| 260 'HTMLParagraphElement.align', | |
| 261 'HTMLParamElement.type', | |
| 262 'HTMLParamElement.valueType', | |
| 263 'HTMLPreElement.width', | |
| 264 'HTMLScriptElement.text', | |
| 265 'HTMLSelectElement.options', | |
| 266 'HTMLSelectElement.selectedOptions', | |
| 267 'HTMLTableCaptionElement.align', | |
| 268 'HTMLTableCellElement.abbr', | |
| 269 'HTMLTableCellElement.align', | |
| 270 'HTMLTableCellElement.axis', | |
| 271 'HTMLTableCellElement.bgColor', | |
| 272 'HTMLTableCellElement.ch', | |
| 273 'HTMLTableCellElement.chOff', | |
| 274 'HTMLTableCellElement.height', | |
| 275 'HTMLTableCellElement.noWrap', | |
| 276 'HTMLTableCellElement.scope', | |
| 277 'HTMLTableCellElement.vAlign', | |
| 278 'HTMLTableCellElement.width', | |
| 279 'HTMLTableColElement.align', | |
| 280 'HTMLTableColElement.ch', | |
| 281 'HTMLTableColElement.chOff', | |
| 282 'HTMLTableColElement.vAlign', | |
| 283 'HTMLTableColElement.width', | |
| 284 'HTMLTableElement.align', | |
| 285 'HTMLTableElement.bgColor', | |
| 286 'HTMLTableElement.cellPadding', | |
| 287 'HTMLTableElement.cellSpacing', | |
| 288 'HTMLTableElement.frame', | |
| 289 'HTMLTableElement.rules', | |
| 290 'HTMLTableElement.summary', | |
| 291 'HTMLTableElement.width', | |
| 292 'HTMLTableRowElement.align', | |
| 293 'HTMLTableRowElement.bgColor', | |
| 294 'HTMLTableRowElement.ch', | |
| 295 'HTMLTableRowElement.chOff', | |
| 296 'HTMLTableRowElement.vAlign', | |
| 297 'HTMLTableSectionElement.align', | |
| 298 'HTMLTableSectionElement.ch', | |
| 299 'HTMLTableSectionElement.chOff', | |
| 300 'HTMLTableSectionElement.vAlign', | |
| 301 'HTMLTitleElement.text', | |
| 302 'HTMLUListElement.compact', | |
| 303 'HTMLUListElement.type', | |
| 304 'Location.valueOf', | |
| 305 'MessageEvent.ports', | |
| 306 'MessageEvent.webkitInitMessageEvent', | |
| 307 'MouseEvent.x', | |
| 308 'MouseEvent.y', | |
| 309 'Navigator.registerServiceWorker', | |
| 310 'Navigator.unregisterServiceWorker', | |
| 311 'Node.compareDocumentPosition', | |
| 312 'Node.get:DOCUMENT_POSITION_CONTAINED_BY', | |
| 313 'Node.get:DOCUMENT_POSITION_CONTAINS', | |
| 314 'Node.get:DOCUMENT_POSITION_DISCONNECTED', | |
| 315 'Node.get:DOCUMENT_POSITION_FOLLOWING', | |
| 316 'Node.get:DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC', | |
| 317 'Node.get:DOCUMENT_POSITION_PRECEDING', | |
| 318 'Node.get:prefix', | |
| 319 'Node.hasAttributes', | |
| 320 'Node.isDefaultNamespace', | |
| 321 'Node.isEqualNode', | |
| 322 'Node.isSameNode', | |
| 323 'Node.isSupported', | |
| 324 'Node.lookupNamespaceURI', | |
| 325 'Node.lookupPrefix', | |
| 326 'Node.normalize', | |
| 327 'Node.set:nodeValue', | |
| 328 'NodeFilter.acceptNode', | |
| 329 'NodeIterator.expandEntityReferences', | |
| 330 'NodeIterator.filter', | |
| 331 'Performance.webkitClearMarks', | |
| 332 'Performance.webkitClearMeasures', | |
| 333 'Performance.webkitGetEntries', | |
| 334 'Performance.webkitGetEntriesByName', | |
| 335 'Performance.webkitGetEntriesByType', | |
| 336 'Performance.webkitMark', | |
| 337 'Performance.webkitMeasure', | |
| 338 'ShadowRoot.getElementsByTagNameNS', | |
| 339 'SVGElement.getPresentationAttribute', | |
| 340 'SVGElementInstance.on:wheel', | |
| 341 'WheelEvent.wheelDelta', | |
| 342 'Window.on:wheel', | |
| 343 'WindowEventHandlers.on:beforeUnload', | |
| 344 'WorkerGlobalScope.webkitIndexedDB', | |
| 345 # TODO(jacobr): should these be removed? | |
| 346 'Document.close', | |
| 347 'Document.hasFocus', | |
| 348 ]) | |
| 349 | |
| 350 | |
| 351 def _suppress_method(interface_name, name): | |
| 352 name_to_find = '%s.%s' % (interface_name, name) | |
| 353 wildcard_name_to_find = '%s.*' % interface_name | |
| 354 return name_to_find in IGNORE_MEMBERS or wildcard_name_to_find in IGNORE_MEM
BERS | |
| 355 | |
| 356 | |
| 357 # Both getter and setter are to be suppressed then the attribute is completely | |
| 358 # disappear. | |
| 359 def _suppress_attribute(interface_name, name): | |
| 360 return (suppress_getter(interface_name, name) and suppress_setter(interface_
name, name)) | |
| 361 | |
| 362 | |
| 363 def suppress_getter(interface_name, name): | |
| 364 name_to_find = '%s.get:%s' % (interface_name, name) | |
| 365 wildcard_getter_to_find = '%s.get:*' % interface_name | |
| 366 return (name_to_find in IGNORE_MEMBERS or | |
| 367 _suppress_method(interface_name, name) or | |
| 368 wildcard_getter_to_find in IGNORE_MEMBERS) | |
| 369 | |
| 370 | |
| 371 def suppress_setter(interface_name, name): | |
| 372 name_to_find = '%s.set:%s' % (interface_name, name) | |
| 373 wildcard_setter_to_find = '%s.set:*' % interface_name | |
| 374 return (name_to_find in IGNORE_MEMBERS or | |
| 375 _suppress_method(interface_name, name) or | |
| 376 wildcard_setter_to_find in IGNORE_MEMBERS) | |
| 377 | |
| 378 | |
| 379 # To suppress an IDL method or attribute with a particular Extended Attribute | |
| 380 # w/o a value e.g, DartStrictTypeChecking would be an empty set | |
| 381 # 'DartStrictTypeChecking': frozenset([]), | |
| 382 IGNORE_EXTENDED_ATTRIBUTES = { | |
| 383 # 'RuntimeEnabled': frozenset(['ExperimentalCanvasFeatures']), | |
| 384 } | |
| 385 | |
| 386 | |
| 387 # Return True if the method / attribute should be suppressed. | |
| 388 def _suppress_extended_attributes(extended_attributes): | |
| 389 if 'DartSuppress' in extended_attributes and extended_attributes.get('DartSu
ppress') == None: | |
| 390 return True | |
| 391 | |
| 392 # TODO(terry): Eliminate this using DartSuppress extended attribute in the | |
| 393 # IDL files instead of the IGNORE_EXTENDED_ATTRIBUTES list. | |
| 394 for extended_attribute_name in extended_attributes: | |
| 395 ignore_extended_values = IGNORE_EXTENDED_ATTRIBUTES.get(extended_attribu
te_name) | |
| 396 if ignore_extended_values != None: | |
| 397 extended_attribute_value = extended_attributes.get(extended_attribut
e_name) | |
| 398 if ((not ignore_extended_values and extended_attribute_value == None
) or | |
| 399 extended_attribute_value in ignore_extended_values): | |
| 400 return True | |
| 401 return False | |
| 402 | |
| 403 | |
| 404 # TODO(terry): Rename genenerate_interface to interface_context. | |
| 405 def interface_context(interface): | |
| 406 context = v8_interface.interface_context(interface) | |
| 407 | |
| 408 includes.clear() | |
| 409 | |
| 410 includes.update(INTERFACE_CPP_INCLUDES) | |
| 411 header_includes = set(INTERFACE_H_INCLUDES) | |
| 412 | |
| 413 parent_interface = interface.parent | |
| 414 if parent_interface: | |
| 415 header_includes.update(dart_types.includes_for_interface(parent_interfac
e)) | |
| 416 extended_attributes = interface.extended_attributes | |
| 417 | |
| 418 is_document = inherits_interface(interface.name, 'Document') | |
| 419 if is_document: | |
| 420 # FIXME(vsm): We probably need bindings/dart/DartController and | |
| 421 # core/frame/LocalFrame.h here. | |
| 422 includes.update(['DartDocument.h']) | |
| 423 | |
| 424 if inherits_interface(interface.name, 'DataTransferItemList'): | |
| 425 # FIXME(jacobr): this is a hack. | |
| 426 includes.update(['core/html/HTMLCollection.h']) | |
| 427 | |
| 428 | |
| 429 if inherits_interface(interface.name, 'EventTarget'): | |
| 430 includes.update(['bindings/core/dart/DartEventListener.h']) | |
| 431 | |
| 432 # [SetWrapperReferenceTo] | |
| 433 set_wrapper_reference_to_list = [{ | |
| 434 'name': argument.name, | |
| 435 # FIXME: properly should be: | |
| 436 # 'cpp_type': argument.idl_type.cpp_type_args(used_as_rvalue_type=True), | |
| 437 # (if type is non-wrapper type like NodeFilter, normally RefPtr) | |
| 438 # Raw pointers faster though, and NodeFilter hacky anyway. | |
| 439 'cpp_type': argument.idl_type.implemented_as + '*', | |
| 440 'idl_type': argument.idl_type, | |
| 441 'v8_type': dart_types.v8_type(argument.idl_type.name), | |
| 442 } for argument in extended_attributes.get('SetWrapperReferenceTo', [])] | |
| 443 for set_wrapper_reference_to in set_wrapper_reference_to_list: | |
| 444 set_wrapper_reference_to['idl_type'].add_includes_for_type() | |
| 445 | |
| 446 context.update({ | |
| 447 'conditional_string': DartUtilities.conditional_string(interface), # [C
onditional] | |
| 448 'cpp_class': DartUtilities.cpp_name(interface), | |
| 449 'header_includes': header_includes, | |
| 450 'is_garbage_collected': context['gc_type'] == 'GarbageCollectedObject', | |
| 451 'is_will_be_garbage_collected': context['gc_type'] == 'WillBeGarbageColl
ectedObject', | |
| 452 'measure_as': DartUtilities.measure_as(interface), # [MeasureAs] | |
| 453 'pass_cpp_type': dart_types.cpp_template_type( | |
| 454 dart_types.cpp_ptr_type('PassRefPtr', 'RawPtr', context['gc_type']), | |
| 455 DartUtilities.cpp_name(interface)), | |
| 456 'runtime_enabled_function': DartUtilities.runtime_enabled_function_name(
interface), # [RuntimeEnabled] | |
| 457 'set_wrapper_reference_to_list': set_wrapper_reference_to_list, | |
| 458 'dart_class': dart_types.dart_type(interface.name), | |
| 459 'v8_class': DartUtilities.v8_class_name(interface), | |
| 460 }) | |
| 461 | |
| 462 # Constructors | |
| 463 constructors = [constructor_context(interface, constructor) | |
| 464 for constructor in interface.constructors | |
| 465 # FIXME: shouldn't put named constructors with constructors | |
| 466 # (currently needed for Perl compatibility) | |
| 467 # Handle named constructors separately | |
| 468 if constructor.name == 'Constructor'] | |
| 469 if len(constructors) > 1: | |
| 470 context.update({'constructor_overloads': overloads_context(constructors)
}) | |
| 471 | |
| 472 # [CustomConstructor] | |
| 473 custom_constructors = [custom_constructor_context(interface, constructor) | |
| 474 for constructor in interface.custom_constructors] | |
| 475 | |
| 476 # [NamedConstructor] | |
| 477 named_constructor = generate_named_constructor(interface) | |
| 478 | |
| 479 generate_method_native_entries(interface, constructors, 'Constructor') | |
| 480 generate_method_native_entries(interface, custom_constructors, 'Constructor'
) | |
| 481 if named_constructor: | |
| 482 generate_method_native_entries(interface, [named_constructor], | |
| 483 'Constructor') | |
| 484 event_constructor = None | |
| 485 if context['has_event_constructor']: | |
| 486 event_constructor = { | |
| 487 'native_entries': [ | |
| 488 DartUtilities.generate_native_entry( | |
| 489 interface.name, None, 'Constructor', False, 2)], | |
| 490 } | |
| 491 | |
| 492 if (context['constructors'] or custom_constructors or context['has_event_con
structor'] or | |
| 493 named_constructor): | |
| 494 includes.add('core/frame/LocalDOMWindow.h') | |
| 495 | |
| 496 context.update({ | |
| 497 'constructors': constructors, | |
| 498 'custom_constructors': custom_constructors, | |
| 499 'event_constructor': event_constructor, | |
| 500 'has_custom_constructor': bool(custom_constructors), | |
| 501 'interface_length': | |
| 502 v8_interface.interface_length(interface, constructors + custom_const
ructors), | |
| 503 'is_constructor_call_with_document': DartUtilities.has_extended_attribut
e_value( | |
| 504 interface, 'ConstructorCallWith', 'Document'), # [ConstructorCallWi
th=Document] | |
| 505 'is_constructor_call_with_execution_context': DartUtilities.has_extended
_attribute_value( | |
| 506 interface, 'ConstructorCallWith', 'ExecutionContext'), # [Construct
orCallWith=ExeuctionContext] | |
| 507 'named_constructor': named_constructor, | |
| 508 }) | |
| 509 | |
| 510 # Attributes | |
| 511 attributes = [dart_attributes.attribute_context(interface, attribute) | |
| 512 for attribute in interface.attributes | |
| 513 # Skip attributes in the IGNORE_MEMBERS list or if an | |
| 514 # extended attribute is in the IGNORE_EXTENDED_ATTRIBUTES. | |
| 515 if (not _suppress_attribute(interface.name, attribute.name
) and | |
| 516 not v8_attributes.is_constructor_attribute(attribute)
and | |
| 517 not _suppress_extended_attributes(attribute.extended_a
ttributes) and | |
| 518 not ('DartSuppress' in attribute.extended_attributes a
nd | |
| 519 attribute.extended_attributes.get('DartSuppress') ==
None))] | |
| 520 context.update({ | |
| 521 'attributes': attributes, | |
| 522 'has_accessors': any(attribute['is_expose_js_accessors'] for attribute i
n attributes), | |
| 523 'has_attribute_configuration': any( | |
| 524 not (attribute['is_expose_js_accessors'] or | |
| 525 attribute['is_static'] or | |
| 526 attribute['runtime_enabled_function'] or | |
| 527 attribute['per_context_enabled_function']) | |
| 528 for attribute in attributes), | |
| 529 'has_constructor_attributes': any(attribute['constructor_type'] for attr
ibute in attributes), | |
| 530 'has_per_context_enabled_attributes': any(attribute['per_context_enabled
_function'] for attribute in attributes), | |
| 531 'has_replaceable_attributes': any(attribute['is_replaceable'] for attrib
ute in attributes), | |
| 532 }) | |
| 533 | |
| 534 # Methods | |
| 535 methods = [dart_methods.method_context(interface, method) | |
| 536 for method in interface.operations | |
| 537 # Skip anonymous special operations (methods name empty). | |
| 538 # Skip methods in our IGNORE_MEMBERS list. | |
| 539 # Skip methods w/ extended attributes in IGNORE_EXTENDED_ATTRIBUT
ES list. | |
| 540 if (method.name and | |
| 541 # detect unnamed getters from v8_interface. | |
| 542 method.name != 'anonymousNamedGetter' and | |
| 543 # TODO(terry): Eventual eliminate the IGNORE_MEMBERS in favor
of DartSupress. | |
| 544 not _suppress_method(interface.name, method.name) and | |
| 545 not _suppress_extended_attributes(method.extended_attributes)
and | |
| 546 not 'DartSuppress' in method.extended_attributes)] | |
| 547 compute_method_overloads_context(methods) | |
| 548 for method in methods: | |
| 549 method['do_generate_method_configuration'] = ( | |
| 550 method['do_not_check_signature'] and | |
| 551 not method['per_context_enabled_function'] and | |
| 552 # For overloaded methods, only generate one accessor | |
| 553 ('overload_index' not in method or method['overload_index'] == 1)) | |
| 554 | |
| 555 generate_method_native_entries(interface, methods, 'Method') | |
| 556 | |
| 557 context.update({ | |
| 558 'has_origin_safe_method_setter': any( | |
| 559 method['is_check_security_for_frame'] and not method['is_read_only'] | |
| 560 for method in methods), | |
| 561 'has_method_configuration': any(method['do_generate_method_configuration
'] for method in methods), | |
| 562 'has_per_context_enabled_methods': any(method['per_context_enabled_funct
ion'] for method in methods), | |
| 563 'methods': methods, | |
| 564 }) | |
| 565 | |
| 566 context.update({ | |
| 567 'indexed_property_getter': indexed_property_getter(interface), | |
| 568 'indexed_property_setter': indexed_property_setter(interface), | |
| 569 'indexed_property_deleter': v8_interface.indexed_property_deleter(interf
ace), | |
| 570 'is_override_builtins': 'OverrideBuiltins' in extended_attributes, | |
| 571 'named_property_getter': named_property_getter(interface), | |
| 572 'named_property_setter': named_property_setter(interface), | |
| 573 'named_property_deleter': v8_interface.named_property_deleter(interface)
, | |
| 574 }) | |
| 575 | |
| 576 generate_native_entries_for_specials(interface, context) | |
| 577 | |
| 578 native_entries = generate_interface_native_entries(context) | |
| 579 | |
| 580 context.update({ | |
| 581 'native_entries': native_entries, | |
| 582 }) | |
| 583 | |
| 584 return context | |
| 585 | |
| 586 | |
| 587 def generate_interface_native_entries(context): | |
| 588 entries = {} | |
| 589 | |
| 590 def add(ne): | |
| 591 entries[ne['blink_entry']] = ne | |
| 592 | |
| 593 def addAll(nes): | |
| 594 for ne in nes: | |
| 595 add(ne) | |
| 596 | |
| 597 for constructor in context['constructors']: | |
| 598 addAll(constructor['native_entries']) | |
| 599 for constructor in context['custom_constructors']: | |
| 600 addAll(constructor['native_entries']) | |
| 601 if context['named_constructor']: | |
| 602 addAll(context['named_constructor']['native_entries']) | |
| 603 if context['event_constructor']: | |
| 604 addAll(context['event_constructor']['native_entries']) | |
| 605 for method in context['methods']: | |
| 606 addAll(method['native_entries']) | |
| 607 for attribute in context['attributes']: | |
| 608 add(attribute['native_entry_getter']) | |
| 609 if not attribute['is_read_only'] or attribute['put_forwards']: | |
| 610 add(attribute['native_entry_setter']) | |
| 611 if context['indexed_property_getter']: | |
| 612 addAll(context['indexed_property_getter']['native_entries']) | |
| 613 if context['indexed_property_setter']: | |
| 614 addAll(context['indexed_property_setter']['native_entries']) | |
| 615 if context['indexed_property_deleter']: | |
| 616 addAll(context['indexed_property_deleter']['native_entries']) | |
| 617 if context['named_property_getter']: | |
| 618 addAll(context['named_property_getter']['native_entries']) | |
| 619 if context['named_property_setter']: | |
| 620 addAll(context['named_property_setter']['native_entries']) | |
| 621 if context['named_property_deleter']: | |
| 622 addAll(context['named_property_deleter']['native_entries']) | |
| 623 return list(entries.values()) | |
| 624 | |
| 625 | |
| 626 def generate_method_native_entry(interface, method, count, kind): | |
| 627 name = method.get('name') | |
| 628 is_static = bool(method.get('is_static')) | |
| 629 native_entry = \ | |
| 630 DartUtilities.generate_native_entry(interface.name, name, | |
| 631 kind, is_static, count) | |
| 632 return native_entry | |
| 633 | |
| 634 | |
| 635 def generate_method_native_entries(interface, methods, kind): | |
| 636 for method in methods: | |
| 637 native_entries = [] | |
| 638 arg_count = method['number_of_arguments'] | |
| 639 min_arg_count = method['number_of_required_arguments'] | |
| 640 lb = min_arg_count - 2 if min_arg_count > 2 else 0 | |
| 641 for x in range(lb, arg_count + 3): | |
| 642 native_entry = \ | |
| 643 generate_method_native_entry(interface, method, x, kind) | |
| 644 native_entries.append(native_entry) | |
| 645 | |
| 646 method.update({'native_entries': native_entries}) | |
| 647 | |
| 648 | |
| 649 ################################################################################ | |
| 650 # Overloads | |
| 651 ################################################################################ | |
| 652 | |
| 653 def compute_method_overloads_context(methods): | |
| 654 # Regular methods | |
| 655 compute_method_overloads_context_by_type([method for method in methods | |
| 656 if not method['is_static']]) | |
| 657 # Static methods | |
| 658 compute_method_overloads_context_by_type([method for method in methods | |
| 659 if method['is_static']]) | |
| 660 | |
| 661 | |
| 662 def compute_method_overloads_context_by_type(methods): | |
| 663 """Computes |method.overload*| template values. | |
| 664 | |
| 665 Called separately for static and non-static (regular) methods, | |
| 666 as these are overloaded separately. | |
| 667 Modifies |method| in place for |method| in |methods|. | |
| 668 Doesn't change the |methods| list itself (only the values, i.e. individual | |
| 669 methods), so ok to treat these separately. | |
| 670 """ | |
| 671 # Add overload information only to overloaded methods, so template code can | |
| 672 # easily verify if a function is overloaded | |
| 673 for name, overloads in v8_interface.method_overloads_by_name(methods): | |
| 674 # Resolution function is generated after last overloaded function; | |
| 675 # package necessary information into |method.overloads| for that method. | |
| 676 overloads[-1]['overloads'] = overloads_context(overloads) | |
| 677 overloads[-1]['overloads']['name'] = name | |
| 678 | |
| 679 | |
| 680 def overloads_context(overloads): | |
| 681 """Returns |overloads| template values for a single name. | |
| 682 | |
| 683 Sets |method.overload_index| in place for |method| in |overloads| | |
| 684 and returns dict of overall overload template values. | |
| 685 """ | |
| 686 assert len(overloads) > 1 # only apply to overloaded names | |
| 687 for index, method in enumerate(overloads, 1): | |
| 688 method['overload_index'] = index | |
| 689 | |
| 690 effective_overloads_by_length = v8_interface.effective_overload_set_by_lengt
h(overloads) | |
| 691 lengths = [length for length, _ in effective_overloads_by_length] | |
| 692 name = overloads[0].get('name', '<constructor>') | |
| 693 | |
| 694 # Check and fail if all overloads with the shortest acceptable arguments | |
| 695 # list are runtime enabled, since we would otherwise set 'length' on the | |
| 696 # function object to an incorrect value when none of those overloads were | |
| 697 # actually enabled at runtime. The exception is if all overloads are | |
| 698 # controlled by the same runtime enabled feature, in which case there would | |
| 699 # be no function object at all if it is not enabled. | |
| 700 shortest_overloads = effective_overloads_by_length[0][1] | |
| 701 if (all(method.get('runtime_enabled_function') | |
| 702 for method, _, _ in shortest_overloads) and | |
| 703 not v8_interface.common_value(overloads, 'runtime_enabled_function')): | |
| 704 raise ValueError('Function.length of %s depends on runtime enabled featu
res' % name) | |
| 705 | |
| 706 return { | |
| 707 'deprecate_all_as': v8_interface.common_value(overloads, 'deprecate_as')
, # [DeprecateAs] | |
| 708 'exposed_test_all': v8_interface.common_value(overloads, 'exposed_test')
, # [Exposed] | |
| 709 'length_tests_methods': length_tests_methods(effective_overloads_by_leng
th), | |
| 710 # 1. Let maxarg be the length of the longest type list of the | |
| 711 # entries in S. | |
| 712 'maxarg': lengths[-1], | |
| 713 'measure_all_as': v8_interface.common_value(overloads, 'measure_as'), #
[MeasureAs] | |
| 714 'minarg': lengths[0], | |
| 715 'per_context_enabled_function_all': v8_interface.common_value(overloads,
'per_context_enabled_function'), # [PerContextEnabled] | |
| 716 'runtime_enabled_function_all': v8_interface.common_value(overloads, 'ru
ntime_enabled_function'), # [RuntimeEnabled] | |
| 717 'valid_arities': lengths | |
| 718 # Only need to report valid arities if there is a gap in the | |
| 719 # sequence of possible lengths, otherwise invalid length means | |
| 720 # "not enough arguments". | |
| 721 if lengths[-1] - lengths[0] != len(lengths) - 1 else None, | |
| 722 } | |
| 723 | |
| 724 | |
| 725 def length_tests_methods(effective_overloads_by_length): | |
| 726 """Returns sorted list of resolution tests and associated methods, by length
. | |
| 727 | |
| 728 This builds the main data structure for the overload resolution loop. | |
| 729 For a given argument length, bindings test argument at distinguishing | |
| 730 argument index, in order given by spec: if it is compatible with | |
| 731 (optionality or) type required by an overloaded method, resolve to that | |
| 732 method. | |
| 733 | |
| 734 Returns: | |
| 735 [(length, [(test, method)])] | |
| 736 """ | |
| 737 return [(length, list(resolution_tests_methods(effective_overloads))) | |
| 738 for length, effective_overloads in effective_overloads_by_length] | |
| 739 | |
| 740 | |
| 741 DART_CHECK_TYPE = { | |
| 742 'ArrayBufferView': 'Dart_IsTypedData({cpp_value})', | |
| 743 'ArrayBuffer': 'Dart_IsByteBuffer({cpp_value})', | |
| 744 'Uint8Array': 'DartUtilities::isUint8Array({cpp_value})', | |
| 745 'Uint8ClampedArray': 'DartUtilities::isUint8ClampedArray({cpp_value})', | |
| 746 } | |
| 747 | |
| 748 | |
| 749 def resolution_tests_methods(effective_overloads): | |
| 750 """Yields resolution test and associated method, in resolution order, for ef
fective overloads of a given length. | |
| 751 | |
| 752 This is the heart of the resolution algorithm. | |
| 753 http://heycam.github.io/webidl/#dfn-overload-resolution-algorithm | |
| 754 | |
| 755 Note that a given method can be listed multiple times, with different tests! | |
| 756 This is to handle implicit type conversion. | |
| 757 | |
| 758 Returns: | |
| 759 [(test, method)] | |
| 760 """ | |
| 761 methods = [effective_overload[0] | |
| 762 for effective_overload in effective_overloads] | |
| 763 if len(methods) == 1: | |
| 764 # If only one method with a given length, no test needed | |
| 765 yield 'true', methods[0] | |
| 766 return | |
| 767 | |
| 768 # 6. If there is more than one entry in S, then set d to be the | |
| 769 # distinguishing argument index for the entries of S. | |
| 770 index = v8_interface.distinguishing_argument_index(effective_overloads) | |
| 771 # (7-9 are for handling |undefined| values for optional arguments before | |
| 772 # the distinguishing argument (as "missing"), so you can specify only some | |
| 773 # optional arguments. We don't support this, so we skip these steps.) | |
| 774 # 10. If i = d, then: | |
| 775 # (d is the distinguishing argument index) | |
| 776 # 1. Let V be argi. | |
| 777 # Note: This is the argument that will be used to resolve which | |
| 778 # overload is selected. | |
| 779 cpp_value = 'Dart_GetNativeArgument(args, %s + argOffset)' % index | |
| 780 | |
| 781 # Extract argument and IDL type to simplify accessing these in each loop. | |
| 782 arguments = [method['arguments'][index] for method in methods] | |
| 783 arguments_methods = zip(arguments, methods) | |
| 784 idl_types = [argument['idl_type_object'] for argument in arguments] | |
| 785 idl_types_methods = zip(idl_types, methods) | |
| 786 | |
| 787 # We can't do a single loop through all methods or simply sort them, because | |
| 788 # a method may be listed in multiple steps of the resolution algorithm, and | |
| 789 # which test to apply differs depending on the step. | |
| 790 # | |
| 791 # Instead, we need to go through all methods at each step, either finding | |
| 792 # first match (if only one test is allowed) or filtering to matches (if | |
| 793 # multiple tests are allowed), and generating an appropriate tests. | |
| 794 | |
| 795 # 2. If V is undefined, and there is an entry in S whose list of | |
| 796 # optionality values has "optional" at index i, then remove from S all | |
| 797 # other entries. | |
| 798 try: | |
| 799 method = next(method for argument, method in arguments_methods | |
| 800 if argument['is_optional']) | |
| 801 test = 'Dart_IsNull(%s)' % cpp_value | |
| 802 yield test, method | |
| 803 except StopIteration: | |
| 804 pass | |
| 805 | |
| 806 # 3. Otherwise: if V is null or undefined, and there is an entry in S that | |
| 807 # has one of the following types at position i of its type list, | |
| 808 # - a nullable type | |
| 809 try: | |
| 810 method = next(method for idl_type, method in idl_types_methods | |
| 811 if idl_type.is_nullable) | |
| 812 test = 'Dart_IsNull(%s)' % cpp_value | |
| 813 yield test, method | |
| 814 except StopIteration: | |
| 815 pass | |
| 816 | |
| 817 # 4. Otherwise: if V is a platform object - but not a platform array | |
| 818 # object - and there is an entry in S that has one of the following | |
| 819 # types at position i of its type list, | |
| 820 # - an interface type that V implements | |
| 821 # (Unlike most of these tests, this can return multiple methods, since we | |
| 822 # test if it implements an interface. Thus we need a for loop, not a next.) | |
| 823 # (We distinguish wrapper types from built-in interface types.) | |
| 824 for idl_type, method in ((idl_type, method) | |
| 825 for idl_type, method in idl_types_methods | |
| 826 if idl_type.is_wrapper_type): | |
| 827 fmtstr = 'Dart{idl_type}::hasInstance({cpp_value})' | |
| 828 if idl_type.base_type in DART_CHECK_TYPE: | |
| 829 fmtstr = DART_CHECK_TYPE[idl_type.base_type] | |
| 830 test = fmtstr.format(idl_type=idl_type.base_type, cpp_value=cpp_value) | |
| 831 yield test, method | |
| 832 | |
| 833 # 8. Otherwise: if V is any kind of object except for a native Date object, | |
| 834 # a native RegExp object, and there is an entry in S that has one of the | |
| 835 # following types at position i of its type list, | |
| 836 # - an array type | |
| 837 # - a sequence type | |
| 838 # ... | |
| 839 # - a dictionary | |
| 840 try: | |
| 841 # FIXME: IDL dictionary not implemented, so use Blink Dictionary | |
| 842 # http://crbug.com/321462 | |
| 843 idl_type, method = next((idl_type, method) | |
| 844 for idl_type, method in idl_types_methods | |
| 845 if (idl_type.native_array_element_type or | |
| 846 idl_type.name == 'Dictionary')) | |
| 847 if idl_type.native_array_element_type: | |
| 848 # (We test for Array instead of generic Object to type-check.) | |
| 849 # FIXME: test for Object during resolution, then have type check for | |
| 850 # Array in overloaded method: http://crbug.com/262383 | |
| 851 test = 'Dart_IsList(%s)' % cpp_value | |
| 852 else: | |
| 853 # FIXME: should be '{1}->IsObject() && !{1}->IsDate() && !{1}->IsReg
Exp()'.format(cpp_value) | |
| 854 # FIXME: the IsDate and IsRegExp checks can be skipped if we've | |
| 855 # already generated tests for them. | |
| 856 test = 'Dart_IsInstance(%s)' % cpp_value | |
| 857 yield test, method | |
| 858 except StopIteration: | |
| 859 pass | |
| 860 | |
| 861 # (Check for exact type matches before performing automatic type conversion; | |
| 862 # only needed if distinguishing between primitive types.) | |
| 863 if len([idl_type.is_primitive_type for idl_type in idl_types]) > 1: | |
| 864 # (Only needed if match in step 11, otherwise redundant.) | |
| 865 if any(idl_type.is_string_type or idl_type.is_enum | |
| 866 for idl_type in idl_types): | |
| 867 # 10. Otherwise: if V is a Number value, and there is an entry in S | |
| 868 # that has one of the following types at position i of its type | |
| 869 # list, | |
| 870 # - a numeric type | |
| 871 try: | |
| 872 method = next(method for idl_type, method in idl_types_methods | |
| 873 if idl_type.is_numeric_type) | |
| 874 test = 'Dart_IsNumber(%s)' % cpp_value | |
| 875 yield test, method | |
| 876 except StopIteration: | |
| 877 pass | |
| 878 | |
| 879 # (Perform automatic type conversion, in order. If any of these match, | |
| 880 # that's the end, and no other tests are needed.) To keep this code simple, | |
| 881 # we rely on the C++ compiler's dead code elimination to deal with the | |
| 882 # redundancy if both cases below trigger. | |
| 883 | |
| 884 # 11. Otherwise: if there is an entry in S that has one of the following | |
| 885 # types at position i of its type list, | |
| 886 # - DOMString | |
| 887 # - ByteString | |
| 888 # - ScalarValueString [a DOMString typedef, per definition.] | |
| 889 # - an enumeration type | |
| 890 try: | |
| 891 method = next(method for idl_type, method in idl_types_methods | |
| 892 if idl_type.is_string_type or idl_type.is_enum) | |
| 893 yield 'true', method | |
| 894 except StopIteration: | |
| 895 pass | |
| 896 | |
| 897 # 12. Otherwise: if there is an entry in S that has one of the following | |
| 898 # types at position i of its type list, | |
| 899 # - a numeric type | |
| 900 try: | |
| 901 method = next(method for idl_type, method in idl_types_methods | |
| 902 if idl_type.is_numeric_type) | |
| 903 yield 'true', method | |
| 904 except StopIteration: | |
| 905 pass | |
| 906 | |
| 907 | |
| 908 ################################################################################ | |
| 909 # Constructors | |
| 910 ################################################################################ | |
| 911 | |
| 912 # [Constructor] | |
| 913 def custom_constructor_context(interface, constructor): | |
| 914 return { | |
| 915 'arguments': [custom_constructor_argument(argument, index) | |
| 916 for index, argument in enumerate(constructor.arguments)], | |
| 917 'auto_scope': 'true', | |
| 918 'is_auto_scope': True, | |
| 919 'is_call_with_script_arguments': False, | |
| 920 'is_custom': True, | |
| 921 'number_of_arguments': len(constructor.arguments), | |
| 922 'number_of_required_arguments': | |
| 923 v8_interface.number_of_required_arguments(constructor), | |
| 924 } | |
| 925 | |
| 926 | |
| 927 # We don't need much from this - just the idl_type_objects and preproceed_type | |
| 928 # to use in generating the resolver strings. | |
| 929 def custom_constructor_argument(argument, index): | |
| 930 return { | |
| 931 'idl_type_object': argument.idl_type, | |
| 932 'name': argument.name, | |
| 933 'preprocessed_type': str(argument.idl_type.preprocessed_type), | |
| 934 } | |
| 935 | |
| 936 | |
| 937 # [Constructor] | |
| 938 def constructor_context(interface, constructor): | |
| 939 return { | |
| 940 'arguments': [dart_methods.argument_context(interface, constructor, argu
ment, index) | |
| 941 for index, argument in enumerate(constructor.arguments)], | |
| 942 'auto_scope': 'true', | |
| 943 'cpp_value': dart_methods.cpp_value( | |
| 944 interface, constructor, len(constructor.arguments)), | |
| 945 'has_exception_state': | |
| 946 # [RaisesException=Constructor] | |
| 947 interface.extended_attributes.get('RaisesException') == 'Constructor
' or | |
| 948 any(argument for argument in constructor.arguments | |
| 949 if argument.idl_type.name == 'SerializedScriptValue' or | |
| 950 argument.idl_type.is_integer_type), | |
| 951 'is_auto_scope': True, | |
| 952 'is_call_with_script_arguments': False, | |
| 953 'is_constructor': True, | |
| 954 'is_custom': False, | |
| 955 'is_variadic': False, # Required for overload resolution | |
| 956 'number_of_required_arguments': | |
| 957 v8_interface.number_of_required_arguments(constructor), | |
| 958 'number_of_arguments': len(constructor.arguments), | |
| 959 } | |
| 960 | |
| 961 | |
| 962 # [NamedConstructor] | |
| 963 def generate_named_constructor(interface): | |
| 964 extended_attributes = interface.extended_attributes | |
| 965 if 'NamedConstructor' not in extended_attributes: | |
| 966 return None | |
| 967 # FIXME: parser should return named constructor separately; | |
| 968 # included in constructors (and only name stored in extended attribute) | |
| 969 # for Perl compatibility | |
| 970 idl_constructor = interface.constructors[0] | |
| 971 constructor = constructor_context(interface, idl_constructor) | |
| 972 # FIXME(vsm): We drop the name. We don't use this in Dart APIs right now. | |
| 973 # We probably need to encode this somehow to deal with conflicts. | |
| 974 # constructor['name'] = extended_attributes['NamedConstructor'] | |
| 975 return constructor | |
| 976 | |
| 977 | |
| 978 ################################################################################ | |
| 979 # Special operations (methods) | |
| 980 # http://heycam.github.io/webidl/#idl-special-operations | |
| 981 ################################################################################ | |
| 982 | |
| 983 def property_getter(getter, cpp_arguments): | |
| 984 def is_null_expression(idl_type): | |
| 985 if idl_type.is_union_type: | |
| 986 return ' && '.join('!result%sEnabled' % i | |
| 987 for i, _ in enumerate(idl_type.member_types)) | |
| 988 if idl_type.name == 'String': | |
| 989 # FIXME(vsm): This looks V8 specific. | |
| 990 return 'result.isNull()' | |
| 991 if idl_type.is_interface_type: | |
| 992 return '!result' | |
| 993 return '' | |
| 994 | |
| 995 context = v8_interface.property_getter(getter, []) | |
| 996 | |
| 997 idl_type = getter.idl_type | |
| 998 extended_attributes = getter.extended_attributes | |
| 999 is_raises_exception = 'RaisesException' in extended_attributes | |
| 1000 | |
| 1001 # FIXME: make more generic, so can use dart_methods.cpp_value | |
| 1002 cpp_method_name = 'receiver->%s' % DartUtilities.cpp_name(getter) | |
| 1003 | |
| 1004 if is_raises_exception: | |
| 1005 cpp_arguments.append('es') | |
| 1006 union_arguments = idl_type.union_arguments | |
| 1007 if union_arguments: | |
| 1008 cpp_arguments.extend([member_argument['cpp_value'] | |
| 1009 for member_argument in union_arguments]) | |
| 1010 | |
| 1011 cpp_value = '%s(%s)' % (cpp_method_name, ', '.join(cpp_arguments)) | |
| 1012 | |
| 1013 context.update({ | |
| 1014 'cpp_type': idl_type.cpp_type, | |
| 1015 'cpp_value': cpp_value, | |
| 1016 'is_null_expression': is_null_expression(idl_type), | |
| 1017 'is_raises_exception': is_raises_exception, | |
| 1018 'name': DartUtilities.cpp_name(getter), | |
| 1019 'union_arguments': union_arguments, | |
| 1020 'dart_set_return_value': idl_type.dart_set_return_value('result', | |
| 1021 extended_attribu
tes=extended_attributes, | |
| 1022 script_wrappable
='receiver', | |
| 1023 release=idl_type
.release)}) | |
| 1024 return context | |
| 1025 | |
| 1026 | |
| 1027 def property_setter(setter): | |
| 1028 context = v8_interface.property_setter(setter) | |
| 1029 | |
| 1030 idl_type = setter.arguments[1].idl_type | |
| 1031 extended_attributes = setter.extended_attributes | |
| 1032 | |
| 1033 context.update({ | |
| 1034 'dart_value_to_local_cpp_value': idl_type.dart_value_to_local_cpp_value( | |
| 1035 extended_attributes, 'propertyValue', False, | |
| 1036 context['has_type_checking_interface']), | |
| 1037 }) | |
| 1038 | |
| 1039 return context | |
| 1040 | |
| 1041 | |
| 1042 ################################################################################ | |
| 1043 # Indexed properties | |
| 1044 # http://heycam.github.io/webidl/#idl-indexed-properties | |
| 1045 ################################################################################ | |
| 1046 | |
| 1047 def indexed_property_getter(interface): | |
| 1048 try: | |
| 1049 # Find indexed property getter, if present; has form: | |
| 1050 # getter TYPE [OPTIONAL_IDENTIFIER](unsigned long ARG1) | |
| 1051 getter = next( | |
| 1052 method | |
| 1053 for method in interface.operations | |
| 1054 if ('getter' in method.specials and | |
| 1055 len(method.arguments) == 1 and | |
| 1056 str(method.arguments[0].idl_type) == 'unsigned long')) | |
| 1057 except StopIteration: | |
| 1058 return None | |
| 1059 | |
| 1060 getter.name = getter.name or 'anonymousIndexedGetter' | |
| 1061 | |
| 1062 return property_getter(getter, ['index']) | |
| 1063 | |
| 1064 | |
| 1065 def indexed_property_setter(interface): | |
| 1066 try: | |
| 1067 # Find indexed property setter, if present; has form: | |
| 1068 # setter RETURN_TYPE [OPTIONAL_IDENTIFIER](unsigned long ARG1, ARG_TYPE
ARG2) | |
| 1069 setter = next( | |
| 1070 method | |
| 1071 for method in interface.operations | |
| 1072 if ('setter' in method.specials and | |
| 1073 len(method.arguments) == 2 and | |
| 1074 str(method.arguments[0].idl_type) == 'unsigned long')) | |
| 1075 except StopIteration: | |
| 1076 return None | |
| 1077 | |
| 1078 return property_setter(setter) | |
| 1079 | |
| 1080 | |
| 1081 ################################################################################ | |
| 1082 # Named properties | |
| 1083 # http://heycam.github.io/webidl/#idl-named-properties | |
| 1084 ################################################################################ | |
| 1085 | |
| 1086 def named_property_getter(interface): | |
| 1087 try: | |
| 1088 # Find named property getter, if present; has form: | |
| 1089 # getter TYPE [OPTIONAL_IDENTIFIER](DOMString ARG1) | |
| 1090 getter = next( | |
| 1091 method | |
| 1092 for method in interface.operations | |
| 1093 if ('getter' in method.specials and | |
| 1094 len(method.arguments) == 1 and | |
| 1095 str(method.arguments[0].idl_type) == 'DOMString')) | |
| 1096 except StopIteration: | |
| 1097 return None | |
| 1098 | |
| 1099 getter.name = getter.name or 'anonymousNamedGetter' | |
| 1100 | |
| 1101 return property_getter(getter, ['propertyName']) | |
| 1102 | |
| 1103 | |
| 1104 def named_property_setter(interface): | |
| 1105 try: | |
| 1106 # Find named property setter, if present; has form: | |
| 1107 # setter RETURN_TYPE [OPTIONAL_IDENTIFIER](DOMString ARG1, ARG_TYPE ARG2
) | |
| 1108 setter = next( | |
| 1109 method | |
| 1110 for method in interface.operations | |
| 1111 if ('setter' in method.specials and | |
| 1112 len(method.arguments) == 2 and | |
| 1113 str(method.arguments[0].idl_type) == 'DOMString')) | |
| 1114 except StopIteration: | |
| 1115 return None | |
| 1116 | |
| 1117 return property_setter(setter) | |
| 1118 | |
| 1119 | |
| 1120 def generate_native_entries_for_specials(interface, context): | |
| 1121 def add(prop, name, arity): | |
| 1122 if context[prop]: | |
| 1123 if 'native_entries' not in context[prop]: | |
| 1124 context[prop].update({'native_entries': []}) | |
| 1125 context[prop]['native_entries'].append( | |
| 1126 DartUtilities.generate_native_entry( | |
| 1127 interface.name, name, 'Method', False, arity)) | |
| 1128 | |
| 1129 pre = ['indexed_property', 'named_property'] | |
| 1130 post = [('setter', '__setter__', 2), | |
| 1131 ('getter', '__getter__', 1), | |
| 1132 ('deleter', '__delete__', 1), | |
| 1133 ] | |
| 1134 props = [(p1 + "_" + p2, name, arity) | |
| 1135 for (p1, (p2, name, arity)) in itertools.product(pre, post)] | |
| 1136 for t in props: | |
| 1137 add(*t) | |
| 1138 | |
| 1139 for (p, name, arity) in props: | |
| 1140 if context[p]: | |
| 1141 if context[p].get('is_custom_property_query'): | |
| 1142 add(p, '__propertyQuery__', 1) | |
| OLD | NEW |
|---|
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