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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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216 # [ImplementedAs] | 216 # [ImplementedAs] |
217 # This handles [ImplementedAs] on interface types, not [ImplementedAs] in the | 217 # This handles [ImplementedAs] on interface types, not [ImplementedAs] in the |
218 # interface being generated. e.g., given: | 218 # interface being generated. e.g., given: |
219 # Foo.idl: interface Foo {attribute Bar bar}; | 219 # Foo.idl: interface Foo {attribute Bar bar}; |
220 # Bar.idl: [ImplementedAs=Zork] interface Bar {}; | 220 # Bar.idl: [ImplementedAs=Zork] interface Bar {}; |
221 # when generating bindings for Foo, the [ImplementedAs] on Bar is needed. | 221 # when generating bindings for Foo, the [ImplementedAs] on Bar is needed. |
222 # This data is external to Foo.idl, and hence computed as global information in | 222 # This data is external to Foo.idl, and hence computed as global information in |
223 # compute_interfaces_info.py to avoid having to parse IDLs of all used interface
s. | 223 # compute_interfaces_info.py to avoid having to parse IDLs of all used interface
s. |
224 IdlType.implemented_as_interfaces = {} | 224 IdlType.implemented_as_interfaces = {} |
225 | 225 |
| 226 |
226 def implemented_as(idl_type): | 227 def implemented_as(idl_type): |
227 base_idl_type = idl_type.base_type | 228 base_idl_type = idl_type.base_type |
228 if base_idl_type in IdlType.implemented_as_interfaces: | 229 if base_idl_type in IdlType.implemented_as_interfaces: |
229 return IdlType.implemented_as_interfaces[base_idl_type] | 230 return IdlType.implemented_as_interfaces[base_idl_type] |
230 return base_idl_type | 231 return base_idl_type |
231 | 232 |
232 | 233 |
233 IdlType.implemented_as = property(implemented_as) | 234 IdlType.implemented_as = property(implemented_as) |
234 | 235 |
235 IdlType.set_implemented_as_interfaces = classmethod( | 236 IdlType.set_implemented_as_interfaces = classmethod( |
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420 expression_format = '(to{ref_ptr_type}NativeArray<{array_or_sequence_typ
e}, V8{array_or_sequence_type}>({v8_value}, {index}, info.GetIsolate()))' | 421 expression_format = '(to{ref_ptr_type}NativeArray<{array_or_sequence_typ
e}, V8{array_or_sequence_type}>({v8_value}, {index}, info.GetIsolate()))' |
421 add_includes_for_type(array_or_sequence_type) | 422 add_includes_for_type(array_or_sequence_type) |
422 else: | 423 else: |
423 ref_ptr_type = None | 424 ref_ptr_type = None |
424 this_cpp_type = array_or_sequence_type.cpp_type | 425 this_cpp_type = array_or_sequence_type.cpp_type |
425 expression_format = 'toNativeArray<{cpp_type}>({v8_value}, {index}, info
.GetIsolate())' | 426 expression_format = 'toNativeArray<{cpp_type}>({v8_value}, {index}, info
.GetIsolate())' |
426 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) | 427 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) |
427 return expression | 428 return expression |
428 | 429 |
429 | 430 |
430 def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
e_name, index=None): | 431 def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
e_name, index=None, async=False): |
431 """Returns an expression that converts a V8 value to a C++ value and stores
it as a local value.""" | 432 """Returns an expression that converts a V8 value to a C++ value and stores
it as a local value.""" |
432 this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attribut
es, used_as_argument=True) | 433 this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attribut
es, used_as_argument=True) |
433 | 434 |
434 idl_type = idl_type.preprocessed_type | 435 idl_type = idl_type.preprocessed_type |
435 cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, i
ndex) | 436 cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, i
ndex) |
436 args = [this_cpp_type, variable_name, cpp_value] | 437 args = [this_cpp_type, variable_name, cpp_value] |
437 if idl_type.base_type == 'DOMString' and not idl_type.array_or_sequence_type
: | 438 if idl_type.base_type == 'DOMString' and not idl_type.array_or_sequence_type
: |
438 macro = 'TOSTRING_VOID' | 439 macro = 'TOSTRING_VOID' |
439 elif idl_type.is_integer_type: | 440 elif idl_type.is_integer_type: |
440 macro = 'TONATIVE_VOID_EXCEPTIONSTATE' | 441 macro = 'TONATIVE_VOID_EXCEPTIONSTATE' |
441 args.append('exceptionState') | 442 args.append('exceptionState') |
442 else: | 443 else: |
443 macro = 'TONATIVE_VOID' | 444 macro = 'TONATIVE_VOID' |
444 | 445 |
| 446 if async: |
| 447 macro += '_ASYNC' |
| 448 args.append('info') |
| 449 |
445 return '%s(%s)' % (macro, ', '.join(args)) | 450 return '%s(%s)' % (macro, ', '.join(args)) |
446 | 451 |
| 452 |
447 IdlType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value | 453 IdlType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value |
448 IdlUnionType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value | 454 IdlUnionType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value |
449 | 455 |
450 | 456 |
451 ################################################################################ | 457 ################################################################################ |
452 # C++ -> V8 | 458 # C++ -> V8 |
453 ################################################################################ | 459 ################################################################################ |
454 | 460 |
455 def preprocess_idl_type(idl_type): | 461 def preprocess_idl_type(idl_type): |
456 if idl_type.is_enum: | 462 if idl_type.is_enum: |
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633 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', crea
tion_context='', extended_attributes=None): | 639 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', crea
tion_context='', extended_attributes=None): |
634 """Returns an expression that converts a C++ value to a V8 value.""" | 640 """Returns an expression that converts a C++ value to a V8 value.""" |
635 # the isolate parameter is needed for callback interfaces | 641 # the isolate parameter is needed for callback interfaces |
636 idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, ext
ended_attributes) | 642 idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, ext
ended_attributes) |
637 this_v8_conversion_type = idl_type.v8_conversion_type(extended_attributes) | 643 this_v8_conversion_type = idl_type.v8_conversion_type(extended_attributes) |
638 format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type] | 644 format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type] |
639 statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creat
ion_context=creation_context) | 645 statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creat
ion_context=creation_context) |
640 return statement | 646 return statement |
641 | 647 |
642 IdlType.cpp_value_to_v8_value = cpp_value_to_v8_value | 648 IdlType.cpp_value_to_v8_value = cpp_value_to_v8_value |
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