IDL: Drop value conversion (V8 -> C++) macros from generated code

Source/bindings/core/v8/V8Binding.h

 /*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2012 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
@@ skipping 344 matching lines @@
 {
     ASSERT(isolate);
     return v8::String::NewFromUtf8(isolate, str, v8::String::kInternalizedString, length);
 }
 
 inline v8::Handle<v8::Value> v8Undefined()
 {
     return v8::Handle<v8::Value>();
 }
 
+// Used in generated code as e.g.
+//
+//   if (!convertAndThrow(target = toInt32(..., exceptionState), exceptionState))
+//     return;
+//
+// for conversion to types where the conversion function returns the converted
+// value (except via a macro that just expects an expression returning false in
+// case of an error.)
+template <typename T>
+bool convertAndCheck(T, ExceptionState& exceptionState)
+{
+    return !exceptionState.hadException();
+}
+template <typename T>
+bool convertAndThrow(T, ExceptionState& exceptionState)

[bashi, 2015/02/23 23:44:06]

convertOrThrow?

+{
+    return !exceptionState.throwIfNeeded();
+}
+
 // Conversion flags, used in toIntXX/toUIntXX.
 enum IntegerConversionConfiguration {
     NormalConversion,
     EnforceRange,
     Clamp
 };
 
 // Convert a value to a 8-bit signed integer. The conversion fails if the
 // value cannot be converted to a number or the range violated per WebIDL:
 // http://www.w3.org/TR/WebIDL/#es-byte
@@ skipping 636 matching lines @@
 
 private:
     v8::TryCatch& m_block;
 };
 
 typedef void (*InstallTemplateFunction)(v8::Local<v8::FunctionTemplate>, v8::Isolate*);
 
 } // namespace blink
 
 #endif // V8Binding_h