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Side by Side Diff: Source/bindings/scripts/v8_types.py

Issue 561633003: IDL: Enumerations support in dictionaries (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Remove parens Created 6 years, 3 months ago
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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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468 'Promise': 'ScriptPromise::cast(ScriptState::current({isolate}), {v8_value}) ', 468 'Promise': 'ScriptPromise::cast(ScriptState::current({isolate}), {v8_value}) ',
469 'SerializedScriptValue': 'SerializedScriptValue::create({v8_value}, {isolate })', 469 'SerializedScriptValue': 'SerializedScriptValue::create({v8_value}, {isolate })',
470 'ScriptValue': 'ScriptValue(ScriptState::current({isolate}), {v8_value})', 470 'ScriptValue': 'ScriptValue(ScriptState::current({isolate}), {v8_value})',
471 'Window': 'toDOMWindow({v8_value}, {isolate})', 471 'Window': 'toDOMWindow({v8_value}, {isolate})',
472 'XPathNSResolver': 'toXPathNSResolver({v8_value}, {isolate})', 472 'XPathNSResolver': 'toXPathNSResolver({v8_value}, {isolate})',
473 } 473 }
474 474
475 475
476 def v8_conversion_needs_exception_state(idl_type): 476 def v8_conversion_needs_exception_state(idl_type):
477 return (idl_type.is_integer_type or 477 return (idl_type.is_integer_type or
478 idl_type.is_dictionary or
478 idl_type.name in ('ByteString', 'ScalarValueString')) 479 idl_type.name in ('ByteString', 'ScalarValueString'))
479 480
480 IdlType.v8_conversion_needs_exception_state = property(v8_conversion_needs_excep tion_state) 481 IdlType.v8_conversion_needs_exception_state = property(v8_conversion_needs_excep tion_state)
481 482
482 483
483 def v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, index, isolat e): 484 def v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, index, isolat e):
484 if idl_type.name == 'void': 485 if idl_type.name == 'void':
485 return '' 486 return ''
486 487
487 # Array or sequence types 488 # Array or sequence types
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501 else: 502 else:
502 arguments = v8_value 503 arguments = v8_value
503 504
504 if base_idl_type in V8_VALUE_TO_CPP_VALUE: 505 if base_idl_type in V8_VALUE_TO_CPP_VALUE:
505 cpp_expression_format = V8_VALUE_TO_CPP_VALUE[base_idl_type] 506 cpp_expression_format = V8_VALUE_TO_CPP_VALUE[base_idl_type]
506 elif idl_type.is_typed_array_element_type: 507 elif idl_type.is_typed_array_element_type:
507 cpp_expression_format = ( 508 cpp_expression_format = (
508 '{v8_value}->Is{idl_type}() ? ' 509 '{v8_value}->Is{idl_type}() ? '
509 'V8{idl_type}::toImpl(v8::Handle<v8::{idl_type}>::Cast({v8_value})) : 0') 510 'V8{idl_type}::toImpl(v8::Handle<v8::{idl_type}>::Cast({v8_value})) : 0')
510 elif idl_type.is_dictionary: 511 elif idl_type.is_dictionary:
511 cpp_expression_format = 'V8{idl_type}::toImpl({isolate}, {v8_value})' 512 cpp_expression_format = 'V8{idl_type}::toImpl({isolate}, {v8_value}, exc eptionState)'
512 else: 513 else:
513 cpp_expression_format = ( 514 cpp_expression_format = (
514 'V8{idl_type}::toImplWithTypeCheck({isolate}, {v8_value})') 515 'V8{idl_type}::toImplWithTypeCheck({isolate}, {v8_value})')
515 516
516 return cpp_expression_format.format(arguments=arguments, idl_type=base_idl_t ype, v8_value=v8_value, isolate=isolate) 517 return cpp_expression_format.format(arguments=arguments, idl_type=base_idl_t ype, v8_value=v8_value, isolate=isolate)
517 518
518 519
519 def v8_value_to_cpp_value_array_or_sequence(native_array_element_type, v8_value, index, isolate='info.GetIsolate()'): 520 def v8_value_to_cpp_value_array_or_sequence(native_array_element_type, v8_value, index, isolate='info.GetIsolate()'):
520 # Index is None for setters, index (starting at 0) for method arguments, 521 # Index is None for setters, index (starting at 0) for method arguments,
521 # and is used to provide a human-readable exception message 522 # and is used to provide a human-readable exception message
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796 797
797 798
798 ################################################################################ 799 ################################################################################
799 # Utility properties for nullable types 800 # Utility properties for nullable types
800 ################################################################################ 801 ################################################################################
801 802
802 803
803 def cpp_type_has_null_value(idl_type): 804 def cpp_type_has_null_value(idl_type):
804 # - String types (String/AtomicString) represent null as a null string, 805 # - String types (String/AtomicString) represent null as a null string,
805 # i.e. one for which String::isNull() returns true. 806 # i.e. one for which String::isNull() returns true.
807 # - Enum types, as they are implemented as Strings.
806 # - Wrapper types (raw pointer or RefPtr/PassRefPtr) represent null as 808 # - Wrapper types (raw pointer or RefPtr/PassRefPtr) represent null as
807 # a null pointer. 809 # a null pointer.
808 # - Dictionary types represent null as a null pointer. They are garbage 810 # - Dictionary types represent null as a null pointer. They are garbage
809 # collected so their type is raw pointer. 811 # collected so their type is raw pointer.
810 return (idl_type.is_string_type or idl_type.is_wrapper_type or 812 return (idl_type.is_string_type or idl_type.is_wrapper_type or
811 idl_type.is_dictionary) 813 idl_type.is_enum or idl_type.is_dictionary)
812 814
813 IdlTypeBase.cpp_type_has_null_value = property(cpp_type_has_null_value) 815 IdlTypeBase.cpp_type_has_null_value = property(cpp_type_has_null_value)
814 816
815 817
816 def is_implicit_nullable(idl_type): 818 def is_implicit_nullable(idl_type):
817 # Nullable type where the corresponding C++ type supports a null value. 819 # Nullable type where the corresponding C++ type supports a null value.
818 return idl_type.is_nullable and idl_type.cpp_type_has_null_value 820 return idl_type.is_nullable and idl_type.cpp_type_has_null_value
819 821
820 822
821 def is_explicit_nullable(idl_type): 823 def is_explicit_nullable(idl_type):
822 # Nullable type that isn't implicit nullable (see above.) For such types, 824 # Nullable type that isn't implicit nullable (see above.) For such types,
823 # we use Nullable<T> or similar explicit ways to represent a null value. 825 # we use Nullable<T> or similar explicit ways to represent a null value.
824 return idl_type.is_nullable and not idl_type.is_implicit_nullable 826 return idl_type.is_nullable and not idl_type.is_implicit_nullable
825 827
826 IdlTypeBase.is_implicit_nullable = property(is_implicit_nullable) 828 IdlTypeBase.is_implicit_nullable = property(is_implicit_nullable)
827 IdlUnionType.is_implicit_nullable = False 829 IdlUnionType.is_implicit_nullable = False
828 IdlTypeBase.is_explicit_nullable = property(is_explicit_nullable) 830 IdlTypeBase.is_explicit_nullable = property(is_explicit_nullable)
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