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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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113 'Promise': 'ScriptPromise', | 113 'Promise': 'ScriptPromise', |
114 'ScriptValue': 'ScriptValue', | 114 'ScriptValue': 'ScriptValue', |
115 # FIXME: Eliminate custom bindings for XPathNSResolver http://crbug.com/345
529 | 115 # FIXME: Eliminate custom bindings for XPathNSResolver http://crbug.com/345
529 |
116 'XPathNSResolver': 'RefPtrWillBeRawPtr<XPathNSResolver>', | 116 'XPathNSResolver': 'RefPtrWillBeRawPtr<XPathNSResolver>', |
117 'boolean': 'bool', | 117 'boolean': 'bool', |
118 'unrestricted double': 'double', | 118 'unrestricted double': 'double', |
119 'unrestricted float': 'float', | 119 'unrestricted float': 'float', |
120 } | 120 } |
121 | 121 |
122 | 122 |
123 def cpp_type(idl_type, extended_attributes=None, raw_type=False, used_as_argumen
t=False, used_as_variadic_argument=False, used_in_cpp_sequence=False): | 123 # FIXME: too many flags. |
| 124 def cpp_type(idl_type, extended_attributes=None, raw_type=False, used_as_argumen
t=False, used_as_variadic_argument=False, used_as_member=False, used_as_return_t
ype=False): |
124 """Returns C++ type corresponding to IDL type. | 125 """Returns C++ type corresponding to IDL type. |
125 | 126 |
126 |idl_type| argument is of type IdlType, while return value is a string | 127 |idl_type| argument is of type IdlType, while return value is a string |
127 | 128 |
128 Args: | 129 Args: |
129 idl_type: | 130 idl_type: |
130 IdlType | 131 IdlType |
131 raw_type: | 132 raw_type: |
132 bool, True if idl_type's raw/primitive C++ type should be returned. | 133 bool, True if idl_type's raw/primitive C++ type should be returned. |
133 used_as_argument: | 134 used_as_argument: |
134 bool, True if the C++ type is used as an argument of a method. | 135 bool, True if the C++ type is used as an argument of a method. |
135 used_as_variadic_argument: | 136 used_as_variadic_argument: |
136 bool, True if the C++ type is used as a variadic argument of a metho
d. | 137 bool, True if the C++ type is used as a variadic argument of a metho
d. |
137 used_in_cpp_sequence: | 138 used_as_member: |
138 bool, True if the C++ type is used as an element of an array or sequ
ence. | 139 bool, True if the C++ type is used as a member of a container. |
| 140 Containers can be an array, a sequence or a dictionary. |
| 141 used_as_return_type: |
| 142 bool, True if the C++ type is used as a return type of a method. |
139 """ | 143 """ |
140 def string_mode(): | 144 def string_mode(): |
141 if extended_attributes.get('TreatNullAs') == 'EmptyString': | 145 if extended_attributes.get('TreatNullAs') == 'EmptyString': |
142 return 'TreatNullAsEmptyString' | 146 return 'TreatNullAsEmptyString' |
143 if idl_type.is_nullable or extended_attributes.get('TreatNullAs') == 'Nu
llString': | 147 if idl_type.is_nullable or extended_attributes.get('TreatNullAs') == 'Nu
llString': |
144 if extended_attributes.get('TreatUndefinedAs') == 'NullString': | 148 if extended_attributes.get('TreatUndefinedAs') == 'NullString': |
145 return 'TreatNullAndUndefinedAsNullString' | 149 return 'TreatNullAndUndefinedAsNullString' |
146 return 'TreatNullAsNullString' | 150 return 'TreatNullAsNullString' |
147 return '' | 151 return '' |
148 | 152 |
149 extended_attributes = extended_attributes or {} | 153 extended_attributes = extended_attributes or {} |
150 idl_type = idl_type.preprocessed_type | 154 idl_type = idl_type.preprocessed_type |
151 | 155 |
152 # Composite types | 156 # Composite types |
153 if used_as_variadic_argument: | 157 if used_as_variadic_argument: |
154 native_array_element_type = idl_type | 158 native_array_element_type = idl_type |
155 else: | 159 else: |
156 native_array_element_type = idl_type.native_array_element_type | 160 native_array_element_type = idl_type.native_array_element_type |
157 if native_array_element_type: | 161 if native_array_element_type: |
158 vector_type = cpp_ptr_type('Vector', 'HeapVector', native_array_element_
type.gc_type) | 162 vector_type = cpp_ptr_type('Vector', 'HeapVector', native_array_element_
type.gc_type) |
159 return cpp_template_type(vector_type, native_array_element_type.cpp_type
_args(used_in_cpp_sequence=True)) | 163 vector_template_type = cpp_template_type(vector_type, native_array_eleme
nt_type.cpp_type_args(used_as_member=True)) |
| 164 return vector_template_type |
160 | 165 |
161 # Simple types | 166 # Simple types |
162 base_idl_type = idl_type.base_type | 167 base_idl_type = idl_type.base_type |
163 | 168 |
164 if base_idl_type in CPP_TYPE_SAME_AS_IDL_TYPE: | 169 if base_idl_type in CPP_TYPE_SAME_AS_IDL_TYPE: |
165 return base_idl_type | 170 return base_idl_type |
166 if base_idl_type in CPP_INT_TYPES: | 171 if base_idl_type in CPP_INT_TYPES: |
167 return 'int' | 172 return 'int' |
168 if base_idl_type in CPP_UNSIGNED_TYPES: | 173 if base_idl_type in CPP_UNSIGNED_TYPES: |
169 return 'unsigned' | 174 return 'unsigned' |
170 if base_idl_type in CPP_SPECIAL_CONVERSION_RULES: | 175 if base_idl_type in CPP_SPECIAL_CONVERSION_RULES: |
171 return CPP_SPECIAL_CONVERSION_RULES[base_idl_type] | 176 return CPP_SPECIAL_CONVERSION_RULES[base_idl_type] |
172 | 177 |
173 if base_idl_type in NON_WRAPPER_TYPES: | 178 if base_idl_type in NON_WRAPPER_TYPES: |
174 return ('PassRefPtr<%s>' if used_as_argument else 'RefPtr<%s>') % base_i
dl_type | 179 return ('PassRefPtr<%s>' if used_as_argument or used_as_return_type else
'RefPtr<%s>') % base_idl_type |
175 if idl_type.is_string_type: | 180 if idl_type.is_string_type: |
176 if not raw_type: | 181 if not raw_type: |
177 return 'String' | 182 return 'String' |
178 return 'V8StringResource<%s>' % string_mode() | 183 return 'V8StringResource<%s>' % string_mode() |
179 | 184 |
180 if idl_type.is_typed_array_element_type and raw_type: | 185 if idl_type.is_typed_array_element_type and raw_type: |
181 return base_idl_type + '*' | 186 return base_idl_type + '*' |
182 if idl_type.is_interface_type: | 187 if idl_type.is_interface_type: |
183 implemented_as_class = idl_type.implemented_as | 188 implemented_as_class = idl_type.implemented_as |
184 if raw_type: | 189 if raw_type: |
185 return implemented_as_class + '*' | 190 return implemented_as_class + '*' |
186 new_type = 'Member' if used_in_cpp_sequence else 'RawPtr' | 191 new_type = 'Member' if used_as_member else 'RawPtr' |
187 ptr_type = cpp_ptr_type(('PassRefPtr' if used_as_argument else 'RefPtr')
, new_type, idl_type.gc_type) | 192 ptr_type = cpp_ptr_type(('PassRefPtr' if used_as_argument or used_as_ret
urn_type else 'RefPtr'), new_type, idl_type.gc_type) |
188 return cpp_template_type(ptr_type, implemented_as_class) | 193 return cpp_template_type(ptr_type, implemented_as_class) |
189 # Default, assume native type is a pointer with same type name as idl type | 194 # Default, assume native type is a pointer with same type name as idl type |
190 return base_idl_type + '*' | 195 return base_idl_type + '*' |
191 | 196 |
192 | 197 |
193 def cpp_type_initializer(idl_type): | 198 def cpp_type_initializer(idl_type): |
194 """Returns a string containing a C++ initialization statement for the | 199 """Returns a string containing a C++ initialization statement for the |
195 corresponding type. | 200 corresponding type. |
196 | 201 |
197 |idl_type| argument is of type IdlType. | 202 |idl_type| argument is of type IdlType. |
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451 arguments = ', '.join([v8_value, 'exceptionState']) | 456 arguments = ', '.join([v8_value, 'exceptionState']) |
452 else: | 457 else: |
453 arguments = v8_value | 458 arguments = v8_value |
454 | 459 |
455 if base_idl_type in V8_VALUE_TO_CPP_VALUE: | 460 if base_idl_type in V8_VALUE_TO_CPP_VALUE: |
456 cpp_expression_format = V8_VALUE_TO_CPP_VALUE[base_idl_type] | 461 cpp_expression_format = V8_VALUE_TO_CPP_VALUE[base_idl_type] |
457 elif idl_type.is_typed_array_element_type: | 462 elif idl_type.is_typed_array_element_type: |
458 cpp_expression_format = ( | 463 cpp_expression_format = ( |
459 '{v8_value}->Is{idl_type}() ? ' | 464 '{v8_value}->Is{idl_type}() ? ' |
460 'V8{idl_type}::toNative(v8::Handle<v8::{idl_type}>::Cast({v8_value})
) : 0') | 465 'V8{idl_type}::toNative(v8::Handle<v8::{idl_type}>::Cast({v8_value})
) : 0') |
| 466 elif idl_type.is_dictionary: |
| 467 cpp_expression_format = 'V8{idl_type}::toNative({isolate}, {v8_value})' |
461 else: | 468 else: |
462 cpp_expression_format = ( | 469 cpp_expression_format = ( |
463 'V8{idl_type}::toNativeWithTypeCheck({isolate}, {v8_value})') | 470 'V8{idl_type}::toNativeWithTypeCheck({isolate}, {v8_value})') |
464 | 471 |
465 return cpp_expression_format.format(arguments=arguments, idl_type=base_idl_t
ype, v8_value=v8_value, isolate=isolate) | 472 return cpp_expression_format.format(arguments=arguments, idl_type=base_idl_t
ype, v8_value=v8_value, isolate=isolate) |
466 | 473 |
467 | 474 |
468 def v8_value_to_cpp_value_array_or_sequence(native_array_element_type, v8_value,
index, isolate='info.GetIsolate()'): | 475 def v8_value_to_cpp_value_array_or_sequence(native_array_element_type, v8_value,
index, isolate='info.GetIsolate()'): |
469 # Index is None for setters, index (starting at 0) for method arguments, | 476 # Index is None for setters, index (starting at 0) for method arguments, |
470 # and is used to provide a human-readable exception message | 477 # and is used to provide a human-readable exception message |
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761 | 768 |
762 def is_explicit_nullable(idl_type): | 769 def is_explicit_nullable(idl_type): |
763 # Nullable type that isn't implicit nullable (see above.) For such types, | 770 # Nullable type that isn't implicit nullable (see above.) For such types, |
764 # we use Nullable<T> or similar explicit ways to represent a null value. | 771 # we use Nullable<T> or similar explicit ways to represent a null value. |
765 return idl_type.is_nullable and not idl_type.is_implicit_nullable | 772 return idl_type.is_nullable and not idl_type.is_implicit_nullable |
766 | 773 |
767 IdlType.is_implicit_nullable = property(is_implicit_nullable) | 774 IdlType.is_implicit_nullable = property(is_implicit_nullable) |
768 IdlType.is_explicit_nullable = property(is_explicit_nullable) | 775 IdlType.is_explicit_nullable = property(is_explicit_nullable) |
769 IdlUnionType.is_implicit_nullable = False | 776 IdlUnionType.is_implicit_nullable = False |
770 IdlUnionType.is_explicit_nullable = property(is_explicit_nullable) | 777 IdlUnionType.is_explicit_nullable = property(is_explicit_nullable) |
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