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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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111 'Promise': 'ScriptPromise', | 111 'Promise': 'ScriptPromise', |
112 'ScriptValue': 'ScriptValue', | 112 'ScriptValue': 'ScriptValue', |
113 # FIXME: Eliminate custom bindings for XPathNSResolver http://crbug.com/345
529 | 113 # FIXME: Eliminate custom bindings for XPathNSResolver http://crbug.com/345
529 |
114 'XPathNSResolver': 'RefPtrWillBeRawPtr<XPathNSResolver>', | 114 'XPathNSResolver': 'RefPtrWillBeRawPtr<XPathNSResolver>', |
115 'boolean': 'bool', | 115 'boolean': 'bool', |
116 'unrestricted double': 'double', | 116 'unrestricted double': 'double', |
117 'unrestricted float': 'float', | 117 'unrestricted float': 'float', |
118 } | 118 } |
119 | 119 |
120 | 120 |
121 def cpp_type(idl_type, extended_attributes=None, used_as_argument=False, used_in
_cpp_sequence=False): | 121 def cpp_type(idl_type, extended_attributes=None, used_as_argument=False, used_as
_variadic_argument=False, used_in_cpp_sequence=False): |
122 """Returns C++ type corresponding to IDL type. | 122 """Returns C++ type corresponding to IDL type. |
123 | 123 |
124 |idl_type| argument is of type IdlType, while return value is a string | 124 |idl_type| argument is of type IdlType, while return value is a string |
125 | 125 |
126 Args: | 126 Args: |
127 idl_type: | 127 idl_type: |
128 IdlType | 128 IdlType |
129 used_as_argument: | 129 used_as_argument: |
130 bool, True if idl_type's raw/primitive C++ type should be returned. | 130 bool, True if idl_type's raw/primitive C++ type should be returned. |
131 used_in_cpp_sequence: | 131 used_in_cpp_sequence: |
132 bool, True if the C++ type is used as an element of an array or sequ
ence. | 132 bool, True if the C++ type is used as an element of an array or sequ
ence. |
133 """ | 133 """ |
134 def string_mode(): | 134 def string_mode(): |
135 # FIXME: the Web IDL spec requires 'EmptyString', not 'NullString', | 135 # FIXME: the Web IDL spec requires 'EmptyString', not 'NullString', |
136 # but we use NullString for performance. | 136 # but we use NullString for performance. |
137 if extended_attributes.get('TreatNullAs') != 'NullString': | 137 if extended_attributes.get('TreatNullAs') != 'NullString': |
138 return '' | 138 return '' |
139 if extended_attributes.get('TreatUndefinedAs') != 'NullString': | 139 if extended_attributes.get('TreatUndefinedAs') != 'NullString': |
140 return 'WithNullCheck' | 140 return 'WithNullCheck' |
141 return 'WithUndefinedOrNullCheck' | 141 return 'WithUndefinedOrNullCheck' |
142 | 142 |
143 extended_attributes = extended_attributes or {} | 143 extended_attributes = extended_attributes or {} |
144 idl_type = idl_type.preprocessed_type | 144 idl_type = idl_type.preprocessed_type |
145 | 145 |
146 # Composite types | 146 # Composite types |
147 array_or_sequence_type = idl_type.array_or_sequence_type | 147 if used_as_variadic_argument: |
| 148 array_or_sequence_type = idl_type |
| 149 else: |
| 150 array_or_sequence_type = idl_type.array_or_sequence_type |
148 if array_or_sequence_type: | 151 if array_or_sequence_type: |
149 vector_type = cpp_ptr_type('Vector', 'HeapVector', array_or_sequence_typ
e.gc_type) | 152 vector_type = cpp_ptr_type('Vector', 'HeapVector', array_or_sequence_typ
e.gc_type) |
150 return cpp_template_type(vector_type, array_or_sequence_type.cpp_type_ar
gs(used_in_cpp_sequence=True)) | 153 return cpp_template_type(vector_type, array_or_sequence_type.cpp_type_ar
gs(used_in_cpp_sequence=True)) |
151 | 154 |
152 # Simple types | 155 # Simple types |
153 base_idl_type = idl_type.base_type | 156 base_idl_type = idl_type.base_type |
154 | 157 |
155 if base_idl_type in CPP_TYPE_SAME_AS_IDL_TYPE: | 158 if base_idl_type in CPP_TYPE_SAME_AS_IDL_TYPE: |
156 return base_idl_type | 159 return base_idl_type |
157 if base_idl_type in CPP_INT_TYPES: | 160 if base_idl_type in CPP_INT_TYPES: |
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424 expression_format = '(to{ref_ptr_type}NativeArray<{array_or_sequence_typ
e}, V8{array_or_sequence_type}>({v8_value}, {index}, info.GetIsolate()))' | 427 expression_format = '(to{ref_ptr_type}NativeArray<{array_or_sequence_typ
e}, V8{array_or_sequence_type}>({v8_value}, {index}, info.GetIsolate()))' |
425 add_includes_for_type(array_or_sequence_type) | 428 add_includes_for_type(array_or_sequence_type) |
426 else: | 429 else: |
427 ref_ptr_type = None | 430 ref_ptr_type = None |
428 this_cpp_type = array_or_sequence_type.cpp_type | 431 this_cpp_type = array_or_sequence_type.cpp_type |
429 expression_format = 'toNativeArray<{cpp_type}>({v8_value}, {index}, info
.GetIsolate())' | 432 expression_format = 'toNativeArray<{cpp_type}>({v8_value}, {index}, info
.GetIsolate())' |
430 expression = expression_format.format(array_or_sequence_type=array_or_sequen
ce_type.name, cpp_type=this_cpp_type, index=index, ref_ptr_type=ref_ptr_type, v8
_value=v8_value) | 433 expression = expression_format.format(array_or_sequence_type=array_or_sequen
ce_type.name, cpp_type=this_cpp_type, index=index, ref_ptr_type=ref_ptr_type, v8
_value=v8_value) |
431 return expression | 434 return expression |
432 | 435 |
433 | 436 |
434 def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
e_name, index=None): | 437 def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
e_name, index=None, declare_variable=True): |
435 """Returns an expression that converts a V8 value to a C++ value and stores
it as a local value.""" | 438 """Returns an expression that converts a V8 value to a C++ value and stores
it as a local value.""" |
436 this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attribut
es, used_as_argument=True) | 439 this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attribut
es, used_as_argument=True) |
437 | 440 |
438 idl_type = idl_type.preprocessed_type | 441 idl_type = idl_type.preprocessed_type |
439 cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, i
ndex) | 442 cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, i
ndex) |
440 args = [this_cpp_type, variable_name, cpp_value] | 443 args = [variable_name, cpp_value] |
441 if idl_type.base_type == 'DOMString' and not idl_type.array_or_sequence_type
: | 444 if idl_type.base_type == 'DOMString' and not idl_type.array_or_sequence_type
: |
442 macro = 'TOSTRING_VOID' | 445 macro = 'TOSTRING_VOID' |
443 elif idl_type.is_integer_type: | 446 elif idl_type.is_integer_type: |
444 macro = 'TONATIVE_VOID_EXCEPTIONSTATE' | 447 macro = 'TONATIVE_VOID_EXCEPTIONSTATE' |
445 args.append('exceptionState') | 448 args.append('exceptionState') |
446 else: | 449 else: |
447 macro = 'TONATIVE_VOID' | 450 macro = 'TONATIVE_VOID' |
448 | 451 |
| 452 if declare_variable: |
| 453 args.insert(0, this_cpp_type) |
| 454 else: |
| 455 # Use a macro that assumes a previously declared local variable. |
| 456 macro += '_INTERNAL' |
| 457 |
449 return '%s(%s)' % (macro, ', '.join(args)) | 458 return '%s(%s)' % (macro, ', '.join(args)) |
450 | 459 |
451 IdlType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value | 460 IdlType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value |
452 IdlUnionType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value | 461 IdlUnionType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value |
453 | 462 |
454 | 463 |
455 ################################################################################ | 464 ################################################################################ |
456 # C++ -> V8 | 465 # C++ -> V8 |
457 ################################################################################ | 466 ################################################################################ |
458 | 467 |
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641 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', crea
tion_context='', extended_attributes=None): | 650 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', crea
tion_context='', extended_attributes=None): |
642 """Returns an expression that converts a C++ value to a V8 value.""" | 651 """Returns an expression that converts a C++ value to a V8 value.""" |
643 # the isolate parameter is needed for callback interfaces | 652 # the isolate parameter is needed for callback interfaces |
644 idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, ext
ended_attributes) | 653 idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, ext
ended_attributes) |
645 this_v8_conversion_type = idl_type.v8_conversion_type(extended_attributes) | 654 this_v8_conversion_type = idl_type.v8_conversion_type(extended_attributes) |
646 format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type] | 655 format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type] |
647 statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creat
ion_context=creation_context) | 656 statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creat
ion_context=creation_context) |
648 return statement | 657 return statement |
649 | 658 |
650 IdlType.cpp_value_to_v8_value = cpp_value_to_v8_value | 659 IdlType.cpp_value_to_v8_value = cpp_value_to_v8_value |
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