protected override void DoExpand(MacroContext context)
{
if (context.Invocation.Arguments.Count < 1)
{
context.ReportMessage(
Message.Error(
string.Format(Resources.Pack_Usage_obj_missing, Alias),
context.Invocation.Position, MessageClasses.PackUsage));
return;
}
context.EstablishMacroContext();
// [| context.StoreForTransport(boxed($arg0)) |]
var getContext = context.CreateIndirectCall(context.CreateCall(
EntityRef.Variable.Local.Create(MacroAliases.ContextAlias)));
var boxedArg0 = context.CreateCall(EntityRef.Command.Create(Engine.BoxedAlias),PCall.Get,
context.Invocation.Arguments[0]);
context.Block.Expression = context.CreateGetSetMember(getContext, PCall.Get, "StoreForTransport", boxedArg0);
}
private static void _extractReturnVariant(MacroContext context, string resultV,
string retVarV)
{
var inv = context.Invocation;
var intT = new AstConstantTypeExpression(inv.File, inv.Line, inv.Column,
IntPType.Literal);
var getRetVar =
context.CreateGetSetMember(context.CreateCall(EntityRef.Variable.Local.Create(resultV)), PCall.Get,
"Key");
var asInt = new AstTypecast(inv.File, inv.Line, inv.Column, getRetVar, intT);
var setRetVar = context.CreateCall(EntityRef.Variable.Local.Create(retVarV), PCall.Set, asInt);
context.Block.Add(setRetVar);
}
private static void _extractReturnValue(MacroContext context, string resultV,
string retValueV)
{
var getRetValue =
context.CreateGetSetMember(
context.CreateCall(EntityRef.Variable.Local.Create(resultV)), PCall.Get, "Value");
var setRetValue = context.CreateCall(EntityRef.Variable.Local.Create(retValueV), PCall.Set, getRetValue);
context.Block.Add(setRetValue);
}