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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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470 | 470 |
471 | 471 |
472 def v8_conversion_needs_exception_state(idl_type): | 472 def v8_conversion_needs_exception_state(idl_type): |
473 return (idl_type.is_numeric_type or | 473 return (idl_type.is_numeric_type or |
474 idl_type.is_dictionary or | 474 idl_type.is_dictionary or |
475 idl_type.name in ('ByteString', 'ScalarValueString')) | 475 idl_type.name in ('ByteString', 'ScalarValueString')) |
476 | 476 |
477 IdlType.v8_conversion_needs_exception_state = property(v8_conversion_needs_excep
tion_state) | 477 IdlType.v8_conversion_needs_exception_state = property(v8_conversion_needs_excep
tion_state) |
478 | 478 |
479 | 479 |
| 480 TRIVIAL_CONVERSIONS = frozenset([ |
| 481 'any', |
| 482 'boolean', |
| 483 'Dictionary', |
| 484 'NodeFilter', |
| 485 'XPathNSResolver' |
| 486 ]) |
| 487 |
| 488 |
480 def v8_conversion_is_trivial(idl_type): | 489 def v8_conversion_is_trivial(idl_type): |
481 # The conversion is a simple expression that returns the converted value and | 490 # The conversion is a simple expression that returns the converted value and |
482 # cannot raise an exception. | 491 # cannot raise an exception. |
483 return (idl_type.base_type == 'boolean' or | 492 return (idl_type.base_type in TRIVIAL_CONVERSIONS or |
484 idl_type.base_type == 'Dictionary' or | |
485 idl_type.is_wrapper_type) | 493 idl_type.is_wrapper_type) |
486 | 494 |
487 IdlType.v8_conversion_is_trivial = property(v8_conversion_is_trivial) | 495 IdlType.v8_conversion_is_trivial = property(v8_conversion_is_trivial) |
488 | 496 |
489 | 497 |
490 def v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, index, isolat
e): | 498 def v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, index, isolat
e): |
491 if idl_type.name == 'void': | 499 if idl_type.name == 'void': |
492 return '' | 500 return '' |
493 | 501 |
494 # Array or sequence types | 502 # Array or sequence types |
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834 | 842 |
835 | 843 |
836 def is_explicit_nullable(idl_type): | 844 def is_explicit_nullable(idl_type): |
837 # Nullable type that isn't implicit nullable (see above.) For such types, | 845 # Nullable type that isn't implicit nullable (see above.) For such types, |
838 # we use Nullable<T> or similar explicit ways to represent a null value. | 846 # we use Nullable<T> or similar explicit ways to represent a null value. |
839 return idl_type.is_nullable and not idl_type.is_implicit_nullable | 847 return idl_type.is_nullable and not idl_type.is_implicit_nullable |
840 | 848 |
841 IdlTypeBase.is_implicit_nullable = property(is_implicit_nullable) | 849 IdlTypeBase.is_implicit_nullable = property(is_implicit_nullable) |
842 IdlUnionType.is_implicit_nullable = False | 850 IdlUnionType.is_implicit_nullable = False |
843 IdlTypeBase.is_explicit_nullable = property(is_explicit_nullable) | 851 IdlTypeBase.is_explicit_nullable = property(is_explicit_nullable) |
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