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1 # Copyright (C) 2013 Google Inc. All rights reserved. | 1 # Copyright (C) 2013 Google Inc. All rights reserved. |
2 # | 2 # |
3 # Redistribution and use in source and binary forms, with or without | 3 # Redistribution and use in source and binary forms, with or without |
4 # modification, are permitted provided that the following conditions are | 4 # modification, are permitted provided that the following conditions are |
5 # met: | 5 # met: |
6 # | 6 # |
7 # * Redistributions of source code must retain the above copyright | 7 # * Redistributions of source code must retain the above copyright |
8 # notice, this list of conditions and the following disclaimer. | 8 # notice, this list of conditions and the following disclaimer. |
9 # * Redistributions in binary form must reproduce the above | 9 # * Redistributions in binary form must reproduce the above |
10 # copyright notice, this list of conditions and the following disclaimer | 10 # copyright notice, this list of conditions and the following disclaimer |
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387 self.value = value_node.GetName() | 387 self.value = value_node.GetName() |
388 | 388 |
389 if num_children == 3: | 389 if num_children == 3: |
390 ext_attributes_node = children[2] | 390 ext_attributes_node = children[2] |
391 self.extended_attributes = ext_attributes_node_to_extended_attribute
s(ext_attributes_node) | 391 self.extended_attributes = ext_attributes_node_to_extended_attribute
s(ext_attributes_node) |
392 else: | 392 else: |
393 self.extended_attributes = {} | 393 self.extended_attributes = {} |
394 | 394 |
395 | 395 |
396 ################################################################################ | 396 ################################################################################ |
397 # Literals | |
398 ################################################################################ | |
399 | |
400 class IdlLiteral(object): | |
401 def __init__(self, idl_type, value): | |
402 self.idl_type = idl_type | |
403 self.value = value | |
404 self.is_null = False | |
405 | |
406 def __str__(self): | |
407 if self.idl_type == 'DOMString': | |
408 return 'String("%s")' % self.value | |
409 if self.idl_type == 'integer': | |
410 return '%d' % self.value | |
411 if self.idl_type == 'float': | |
412 return '%g' % self.value | |
413 if self.idl_type == 'boolean': | |
414 return 'true' if self.value else 'false' | |
415 raise ValueError('Unsupported literal type: %s' % self.idl_type) | |
416 | |
417 | |
418 class IdlLiteralNull(IdlLiteral): | |
419 def __init__(self): | |
420 self.idl_type = 'NULL' | |
421 self.value = None | |
422 self.is_null = True | |
423 | |
424 def __str__(self): | |
425 return 'nullptr' | |
426 | |
427 | |
428 def default_node_to_idl_literal(node): | |
429 # FIXME: This code is unnecessarily complicated due to the rather | |
430 # inconsistent way the upstream IDL parser outputs default values. | |
431 # http://crbug.com/374178 | |
432 idl_type = node.GetProperty('TYPE') | |
433 if idl_type == 'DOMString': | |
434 value = node.GetProperty('NAME') | |
435 if '"' in value or '\\' in value: | |
436 raise ValueError('Unsupported string value: %r' % value) | |
437 return IdlLiteral(idl_type, value) | |
438 if idl_type == 'integer': | |
439 return IdlLiteral(idl_type, int(node.GetProperty('NAME'))) | |
440 if idl_type == 'float': | |
441 return IdlLiteral(idl_type, float(node.GetProperty('VALUE'))) | |
442 if idl_type == 'boolean': | |
443 return IdlLiteral(idl_type, node.GetProperty('VALUE')) | |
444 if idl_type == 'NULL': | |
445 return IdlLiteralNull() | |
446 raise ValueError('Unrecognized default value type: %s' % idl_type) | |
447 | |
448 | |
449 ################################################################################ | |
450 # Operations | 397 # Operations |
451 ################################################################################ | 398 ################################################################################ |
452 | 399 |
453 class IdlOperation(TypedObject): | 400 class IdlOperation(TypedObject): |
454 def __init__(self, node=None): | 401 def __init__(self, node=None): |
455 self.arguments = [] | 402 self.arguments = [] |
456 self.extended_attributes = {} | 403 self.extended_attributes = {} |
457 self.specials = [] | 404 self.specials = [] |
458 | 405 |
459 if not node: | 406 if not node: |
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521 # Arguments | 468 # Arguments |
522 ################################################################################ | 469 ################################################################################ |
523 | 470 |
524 class IdlArgument(TypedObject): | 471 class IdlArgument(TypedObject): |
525 def __init__(self, node): | 472 def __init__(self, node): |
526 self.extended_attributes = {} | 473 self.extended_attributes = {} |
527 self.idl_type = None | 474 self.idl_type = None |
528 self.is_optional = node.GetProperty('OPTIONAL') # syntax: (optional T) | 475 self.is_optional = node.GetProperty('OPTIONAL') # syntax: (optional T) |
529 self.is_variadic = False # syntax: (T...) | 476 self.is_variadic = False # syntax: (T...) |
530 self.name = node.GetName() | 477 self.name = node.GetName() |
531 self.default_value = None | |
532 | 478 |
533 children = node.GetChildren() | 479 children = node.GetChildren() |
534 for child in children: | 480 for child in children: |
535 child_class = child.GetClass() | 481 child_class = child.GetClass() |
536 if child_class == 'Type': | 482 if child_class == 'Type': |
537 self.idl_type = type_node_to_type(child) | 483 self.idl_type = type_node_to_type(child) |
538 elif child_class == 'ExtAttributes': | 484 elif child_class == 'ExtAttributes': |
539 self.extended_attributes = ext_attributes_node_to_extended_attri
butes(child) | 485 self.extended_attributes = ext_attributes_node_to_extended_attri
butes(child) |
540 elif child_class == 'Argument': | 486 elif child_class == 'Argument': |
541 child_name = child.GetName() | 487 child_name = child.GetName() |
542 if child_name != '...': | 488 if child_name != '...': |
543 raise ValueError('Unrecognized Argument node; expected "..."
, got "%s"' % child_name) | 489 raise ValueError('Unrecognized Argument node; expected "..."
, got "%s"' % child_name) |
544 self.is_variadic = child.GetProperty('ELLIPSIS') or False | 490 self.is_variadic = child.GetProperty('ELLIPSIS') or False |
545 elif child_class == 'Default': | |
546 self.default_value = default_node_to_idl_literal(child) | |
547 else: | 491 else: |
548 raise ValueError('Unrecognized node class: %s' % child_class) | 492 raise ValueError('Unrecognized node class: %s' % child_class) |
549 | 493 |
550 | 494 |
551 def arguments_node_to_arguments(node): | 495 def arguments_node_to_arguments(node): |
552 # [Constructor] and [CustomConstructor] without arguments (the bare form) | 496 # [Constructor] and [CustomConstructor] without arguments (the bare form) |
553 # have None instead of an arguments node, but have the same meaning as using | 497 # have None instead of an arguments node, but have the same meaning as using |
554 # an empty argument list, [Constructor()], so special-case this. | 498 # an empty argument list, [Constructor()], so special-case this. |
555 # http://www.w3.org/TR/WebIDL/#Constructor | 499 # http://www.w3.org/TR/WebIDL/#Constructor |
556 if node is None: | 500 if node is None: |
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745 child_class = child.GetClass() | 689 child_class = child.GetClass() |
746 if child_class != 'Type': | 690 if child_class != 'Type': |
747 raise ValueError('Unrecognized node class: %s' % child_class) | 691 raise ValueError('Unrecognized node class: %s' % child_class) |
748 return type_node_to_type(child) | 692 return type_node_to_type(child) |
749 | 693 |
750 | 694 |
751 def union_type_node_to_idl_union_type(node, is_nullable=False): | 695 def union_type_node_to_idl_union_type(node, is_nullable=False): |
752 member_types = [type_node_to_type(member_type_node) | 696 member_types = [type_node_to_type(member_type_node) |
753 for member_type_node in node.GetChildren()] | 697 for member_type_node in node.GetChildren()] |
754 return IdlUnionType(member_types, is_nullable=is_nullable) | 698 return IdlUnionType(member_types, is_nullable=is_nullable) |
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