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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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436 expression_format = '(to{ref_ptr_type}NativeArray<{array_or_sequence_typ
e}, V8{array_or_sequence_type}>({v8_value}, {index}, info.GetIsolate()))' | 436 expression_format = '(to{ref_ptr_type}NativeArray<{array_or_sequence_typ
e}, V8{array_or_sequence_type}>({v8_value}, {index}, info.GetIsolate()))' |
437 add_includes_for_type(array_or_sequence_type) | 437 add_includes_for_type(array_or_sequence_type) |
438 else: | 438 else: |
439 ref_ptr_type = None | 439 ref_ptr_type = None |
440 this_cpp_type = array_or_sequence_type.cpp_type | 440 this_cpp_type = array_or_sequence_type.cpp_type |
441 expression_format = 'toNativeArray<{cpp_type}>({v8_value}, {index}, info
.GetIsolate())' | 441 expression_format = 'toNativeArray<{cpp_type}>({v8_value}, {index}, info
.GetIsolate())' |
442 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) | 442 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) |
443 return expression | 443 return expression |
444 | 444 |
445 | 445 |
446 def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
e_name, index=None, declare_variable=True, method_has_try_catch=False): | 446 def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
e_name, index=None, declare_variable=True): |
447 """Returns an expression that converts a V8 value to a C++ value and stores
it as a local value.""" | 447 """Returns an expression that converts a V8 value to a C++ value and stores
it as a local value.""" |
448 this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attribut
es, used_as_argument=True) | 448 this_cpp_type = idl_type.cpp_type_args(extended_attributes=extended_attribut
es, used_as_argument=True) |
449 | 449 |
450 idl_type = idl_type.preprocessed_type | 450 idl_type = idl_type.preprocessed_type |
451 cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, i
ndex) | 451 cpp_value = v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, i
ndex) |
452 args = [variable_name, cpp_value] | 452 args = [variable_name, cpp_value] |
453 if idl_type.base_type == 'DOMString' and not idl_type.array_or_sequence_type
: | 453 if idl_type.base_type == 'DOMString' and not idl_type.array_or_sequence_type
: |
454 macro = 'TOSTRING_VOID' | 454 macro = 'TOSTRING_VOID' |
455 elif idl_type.is_integer_type: | 455 elif idl_type.is_integer_type: |
456 macro = 'TONATIVE_VOID_EXCEPTIONSTATE' | 456 macro = 'TONATIVE_VOID_EXCEPTIONSTATE' |
457 args.append('exceptionState') | 457 args.append('exceptionState') |
458 else: | 458 else: |
459 macro = 'TONATIVE_VOID' | 459 macro = 'TONATIVE_VOID' |
460 | 460 |
461 # Macros come in several variants, to minimize expensive creation of | 461 # Macros come in several variants, to minimize expensive creation of |
462 # v8::TryCatch. | 462 # v8::TryCatch. |
463 suffix = '' | 463 suffix = '' |
464 | 464 |
465 if declare_variable: | 465 if declare_variable: |
466 args.insert(0, this_cpp_type) | 466 args.insert(0, this_cpp_type) |
467 else: | 467 else: |
468 suffix += '_INTERNAL' | 468 suffix += '_INTERNAL' |
469 | 469 |
470 # The TOSTRING_VOID_INTERNAL macro comes in two flavors; use the right one | |
471 # depending on whether the containing method has a v8::TryCatch local | |
472 # (named 'block') declared or not. If there is such a local, use the block | |
473 # for avoiding declaring another one for performance and propagate the | |
474 # exception. | |
475 if (macro == 'TOSTRING_VOID' and not declare_variable and | |
476 not method_has_try_catch): | |
477 suffix += '_NOTRYCATCH' | |
478 | |
479 return '%s(%s)' % (macro + suffix, ', '.join(args)) | 470 return '%s(%s)' % (macro + suffix, ', '.join(args)) |
480 | 471 |
481 | 472 |
482 IdlType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value | 473 IdlType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value |
483 IdlUnionType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value | 474 IdlUnionType.v8_value_to_local_cpp_value = v8_value_to_local_cpp_value |
484 | 475 |
485 | 476 |
486 ################################################################################ | 477 ################################################################################ |
487 # C++ -> V8 | 478 # C++ -> V8 |
488 ################################################################################ | 479 ################################################################################ |
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672 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', crea
tion_context='info.Holder()', extended_attributes=None): | 663 def cpp_value_to_v8_value(idl_type, cpp_value, isolate='info.GetIsolate()', crea
tion_context='info.Holder()', extended_attributes=None): |
673 """Returns an expression that converts a C++ value to a V8 value.""" | 664 """Returns an expression that converts a C++ value to a V8 value.""" |
674 # the isolate parameter is needed for callback interfaces | 665 # the isolate parameter is needed for callback interfaces |
675 idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, ext
ended_attributes) | 666 idl_type, cpp_value = preprocess_idl_type_and_value(idl_type, cpp_value, ext
ended_attributes) |
676 this_v8_conversion_type = idl_type.v8_conversion_type(extended_attributes) | 667 this_v8_conversion_type = idl_type.v8_conversion_type(extended_attributes) |
677 format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type] | 668 format_string = CPP_VALUE_TO_V8_VALUE[this_v8_conversion_type] |
678 statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creat
ion_context=creation_context) | 669 statement = format_string.format(cpp_value=cpp_value, isolate=isolate, creat
ion_context=creation_context) |
679 return statement | 670 return statement |
680 | 671 |
681 IdlType.cpp_value_to_v8_value = cpp_value_to_v8_value | 672 IdlType.cpp_value_to_v8_value = cpp_value_to_v8_value |
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