src/third_party/WebKit/Source/bindings/v8/V8BindingMacros.h

   1 /*
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   9  * notice, this list of conditions and the following disclaimer.
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  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
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  29  */
  30
  31 #ifndef V8BindingMacros_h
  32 #define V8BindingMacros_h
  33
  34 namespace WebCore {
  35
  36 #define V8TRYCATCH(type, var, value)     \
  37     type var;                            \
  38     {                                    \
  39         v8::TryCatch block;              \
  40         var = (value);                   \
  41         if (UNLIKELY(block.HasCaught())) \
  42             return block.ReThrow();      \
  43     }
  44
  45 #define V8TRYCATCH_RETURN(type, var, value, retVal) \
  46     type var;                                       \
  47     {                                               \
  48         v8::TryCatch block;                         \
  49         var = (value);                              \
  50         if (UNLIKELY(block.HasCaught())) {          \
  51             block.ReThrow();                        \
  52             return retVal;                          \
  53         }                                           \
  54     }
  55
  56 #define V8TRYCATCH_EXCEPTION_RETURN(type, var, value, exceptionState, retVal) \
  57     type var;                                                                 \
  58     {                                                                         \
  59         v8::TryCatch block;                                                   \
  60         var = (value);                                                        \
  61         if (UNLIKELY(block.HasCaught()))                                      \
  62             exceptionState.rethrowV8Exception(block.Exception());             \
  63         if (UNLIKELY(exceptionState.throwIfNeeded()))                         \
  64             return retVal;                                                    \
  65     }
  66
  67 #define V8TRYCATCH_VOID(type, var, value)  \
  68     type var;                              \
  69     {                                      \
  70         v8::TryCatch block;                \
  71         var = (value);                     \
  72         if (UNLIKELY(block.HasCaught())) { \
  73             block.ReThrow();               \
  74             return;                        \
  75         }                                  \
  76     }
  77
  78 #define V8TRYCATCH_EXCEPTION_VOID(type, var, value, exceptionState) \
  79     type var;                                                       \
  80     {                                                               \
  81         v8::TryCatch block;                                         \
  82         var = (value);                                              \
  83         if (UNLIKELY(block.HasCaught()))                            \
  84             exceptionState.rethrowV8Exception(block.Exception());   \
  85         if (UNLIKELY(exceptionState.throwIfNeeded()))               \
  86             return;                                                 \
  87     }
  88
  89 #define V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(type, var, value, retVal) \
  90     type var(value);                                                     \
  91     if (UNLIKELY(!var.prepare()))                                        \
  92         return retVal;
  93
  94 #define V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(type, var, value) \
  95     type var(value);                                           \
  96     if (UNLIKELY(!var.prepare()))                              \
  97         return;
  98
  99 } // namespace WebCore
 100
 101 #endif // V8BindingMacros_h