public static NSJSFunctionCallback Complier(MethodInfo m)
{
if (m == null)
{
throw new ArgumentNullException("m");
}
CompilerCacheKey key = new CompilerCacheKey
{
method = m,
type = m.DeclaringType,
};
lock (syncobj)
{
NSJSFunctionCallback callback;
if (fnCompilerCaches.TryGetValue(key, out callback))
{
return(callback);
}
else
{
ParameterExpression arguments = Expression.Parameter(typeof(NSJSFunctionCallbackInfo), "arguments");
ParameterExpression self = Expression.Variable(m.DeclaringType, "this");
IList <ParameterExpression> localvar = GetLocalVar(m);
Expression <Action <NSJSFunctionCallbackInfo> > expression = Expression.Lambda <Action <NSJSFunctionCallbackInfo> >(
Expression.Block(
new ParameterExpression[] { self },
new Expression[]
{
Expression.Block(
localvar,
ComplierBlock(m, arguments, self, localvar)
)
}
)
, arguments);
ParameterExpression info = Expression.Parameter(typeof(IntPtr), "info");
Expression <NSJSFunctionCallback> launcher = Expression.Lambda <NSJSFunctionCallback>(
Expression.Block(new ParameterExpression[] { arguments },
Expression.Assign(arguments, Expression.Call(Get <MethodInfo>(typeof(NSJSFunctionCallbackInfo), "From"), info)),
Expression.Call(Expression.Constant(JSINVKHANDLING), "Invoke", null, arguments, Expression.Constant(expression.Compile()))
), info);
callback = launcher.Compile();
fnCompilerCaches.Add(key, callback);
return(callback);
}
}
}
private static NSJSFunctionCallback GetCompilerCache(MethodInfo m)
{
CompilerCacheKey key = new CompilerCacheKey
{
method = m,
type = m.DeclaringType,
};
lock (syncobj)
{
NSJSFunctionCallback callback;
fnCompilerCaches.TryGetValue(key, out callback);
return(callback);
}
}
