WIP: Implement binding layer for Blink-in-JavaScript

Source/bindings/scripts/code_generator_v8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 2436 matching lines @@
             $code .= "        exceptionState.throwDOMException(NoModificationAllowedError, \"The object is read-only.\");\n";
             $code .= "        exceptionState.throwIfNeeded();\n";
             $code .= "        return;\n";
             $code .= "    }\n";
             my $svgWrappedNativeType = GetSVGWrappedTypeNeedingTearOff($interfaceName);
             $code .= "    $svgWrappedNativeType& impInstance = wrapper->propertyReference();\n";
             $code .= "    $svgWrappedNativeType* imp = &impInstance;\n";
         }
     } elsif (!$function->isStatic) {
         $code .= <<END;
-    ${implClassName}* imp = ${v8ClassName}::toNative(info.Holder());
+    ${implClassName}* ALLOW_UNUSED imp = ${v8ClassName}::toNative(info.Holder());
 END
     }
 
     $code .= GenerateCustomElementInvocationScopeIfNeeded($funcExt);
 
     # Check domain security if needed
     if ($isSecurityCheckNecessary) {
         # We have not find real use cases yet.
         AddToImplIncludes("bindings/v8/BindingSecurity.h");
         $code .= <<END;
     if (!BindingSecurity::shouldAllowAccessToFrame(imp->frame(), exceptionState)) {
         exceptionState.throwIfNeeded();
         return;
     }
 END
     }
 
     if ($function->extendedAttributes->{"CheckSecurity"}) {
         AddToImplIncludes("bindings/v8/BindingSecurity.h");
         $code .= "    if (!BindingSecurity::shouldAllowAccessToNode(imp->" . GetImplName($function) . "(exceptionState), exceptionState)) {\n";
         $code .= "        v8SetReturnValueNull(info);\n";
         $code .= "        exceptionState.throwIfNeeded();\n";
         $code .= "        return;\n";
         $code .= "    }\n";
 END
     }
 
     my ($parameterCheckString, $paramIndex, %replacements) = GenerateParametersCheck($function, $interface, $forMainWorldSuffix, $hasExceptionState);
-    $code .= $parameterCheckString;
+    if (!$function->extendedAttributes->{"BlinkInJavaScript"}) {
+        $code .= $parameterCheckString;
+    }
 
     # Build the function call string.
     $code .= GenerateFunctionCallString($function, $paramIndex, "    ", $interface, $forMainWorldSuffix, $hasExceptionState, %replacements);
     $code .= "}\n";
     $code .= "#endif // ${conditionalString}\n" if $conditionalString;
     $code .= "\n";
     $implementation{nameSpaceInternal}->add($code);
 }
 
 sub GenerateCallWith
@@ skipping 2722 matching lines @@
     my $returnType = $function->type;
     my $nativeReturnType = GetNativeType($returnType, {}, "");
     my $code = "";
 
     my $isSVGTearOffType = (IsSVGTypeNeedingTearOff($returnType) and not $interfaceName =~ /List$/);
     $nativeReturnType = GetSVGWrappedTypeNeedingTearOff($returnType) if $isSVGTearOffType;
 
     my $index = 0;
     my $humanFriendlyIndex = $index + 1;
 
+    # FIXME: Implement [BlinkInJavaScript] for DOM attributes as well.
+    if ($function->extendedAttributes->{"BlinkInJavaScript"}) {
+        AddToImplIncludes("bindings/v8/V8BlinkInJavaScript.h");
+        $code .= "    v8::Handle<v8::Value> argv[] = { ";
+        foreach (my $index = 0; $index < @{$function->parameters}; $index++) {
+            $code .= "info[$index], ";
+        }
+        $code .= "};\n";
+        my $implementedBy = $function->extendedAttributes->{"ImplementedBy"};
+        my $className = $implementedBy ? GetImplNameFromImplementedBy($implementedBy) : $implClassName;
+        $code .= "    v8SetReturnValue(info, V8BlinkInJavaScript::runBlinkInJavaScript(\"${className}\", \"${name}\", info.Holder(), WTF_ARRAY_LENGTH(argv), argv, info.GetIsolate()));\n";
+        return $code;
+    }
+
     my @arguments;
     my $functionName;
     my $implementedBy = $function->extendedAttributes->{"ImplementedBy"};
     if ($implementedBy) {
         my $implementedByImplName = GetImplNameFromImplementedBy($implementedBy);
         AddToImplIncludes(HeaderFilesForInterface($implementedBy, $implementedByImplName));
         unshift(@arguments, "imp") if !$function->isStatic;
         $functionName = "${implementedByImplName}::${name}";
     } elsif ($function->isStatic) {
         $functionName = "${implClassName}::${name}";
@@ skipping 1152 matching lines @@
         if ($parameter->type eq "SerializedScriptValue") {
             return 1;
         } elsif (IsIntegerType($parameter->type)) {
             return 1;
         }
     }
     return 0;
 }
 
 1;