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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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70 #define TOSTRING_VOID(type, var, value) \ | 70 #define TOSTRING_VOID(type, var, value) \ |
71 type var(value); \ | 71 type var(value); \ |
72 if (UNLIKELY(!var.prepare())) \ | 72 if (UNLIKELY(!var.prepare())) \ |
73 return; | 73 return; |
74 | 74 |
75 #define TOSTRING_DEFAULT(type, var, value, retVal) \ | 75 #define TOSTRING_DEFAULT(type, var, value, retVal) \ |
76 type var(value); \ | 76 type var(value); \ |
77 if (UNLIKELY(!var.prepare())) \ | 77 if (UNLIKELY(!var.prepare())) \ |
78 return retVal; | 78 return retVal; |
79 | 79 |
| 80 template <typename T> |
| 81 inline bool getValueFromMaybe(v8::Maybe<T> maybe, T& outVariable) |
| 82 { |
| 83 if (maybe.IsNothing()) |
| 84 return false; |
| 85 outVariable = maybe.FromJust(); |
| 86 return true; |
| 87 } |
| 88 |
| 89 // The last "else" is to avoid dangling else problem. |
| 90 #define V8_CALL(outVariable, handle, methodCall, failureExpression)
\ |
| 91 if (handle.IsEmpty() || !getValueFromMaybe(handle->methodCall, outVariable))
{ \ |
| 92 failureExpression;
\ |
| 93 } else |
| 94 |
80 } // namespace blink | 95 } // namespace blink |
81 | 96 |
82 #endif // V8BindingMacros_h | 97 #endif // V8BindingMacros_h |
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