static bool
HandleDynamicLinkFailure(JSContext *cx, CallArgs args, AsmJSModule &module, HandlePropertyName name)
{
if (cx->isExceptionPending())
return false;
uint32_t begin = module.offsetToEndOfUseAsm();
uint32_t end = module.funcEndBeforeCurly();
Rooted<JSFlatString*> src(cx, module.scriptSource()->substring(cx, begin, end));
if (!src)
return false;
RootedFunction fun(cx, NewFunction(cx, NullPtr(), nullptr, 0, JSFunction::INTERPRETED,
cx->global(), name, JSFunction::FinalizeKind,
TenuredObject));
if (!fun)
return false;
AutoNameVector formals(cx);
formals.reserve(3);
if (module.globalArgumentName())
formals.infallibleAppend(module.globalArgumentName());
if (module.importArgumentName())
formals.infallibleAppend(module.importArgumentName());
if (module.bufferArgumentName())
formals.infallibleAppend(module.bufferArgumentName());
CompileOptions options(cx);
options.setOriginPrincipals(module.scriptSource()->originPrincipals())
.setFile(module.scriptSource()->filename())
.setCompileAndGo(false)
.setNoScriptRval(false);
// The exported function inherits an implicit strict context if the module
// also inherited it somehow.
if (module.strict())
options.strictOption = true;
SourceBufferHolder srcBuf(src->chars(), end - begin, SourceBufferHolder::NoOwnership);
if (!frontend::CompileFunctionBody(cx, &fun, options, formals, srcBuf))
return false;
// Call the function we just recompiled.
args.setCallee(ObjectValue(*fun));
return Invoke(cx, args, args.isConstructing() ? CONSTRUCT : NO_CONSTRUCT);
}
