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);
}
protected override void DoExpand(MacroContext context)
{
if (context.Invocation.Arguments.Count < 1)
{
context.ReportMessage(
Message.Error(
string.Format(
"{0} requires at least one argument, the id of the object to unpack.", Alias),
context.Invocation.Position, MessageClasses.UnpackUsage));
return;
}
context.EstablishMacroContext();
// [| macro\unpack\impl(context, $arg0) |]
var getContext =
context.CreateIndirectCall(context.CreateCall(EntityRef.Variable.Local.Create(MacroAliases.ContextAlias)));
context.Block.Expression = context.CreateCall(EntityRef.Command.Create(Impl.Alias),
PCall.Get, getContext, context.Invocation.Arguments[0]);
}
/// <summary>
/// Establishes macro context and parses arguments.
/// </summary>
/// <param name = "context">The macro context.</param>
/// <returns>The call to call\macro\perform expression on success; null otherwise.</returns>
private static AstGetSet _assembleCallPerform(MacroContext context)
{
if (context.Invocation.Arguments.Count == 0)
{
context.ReportMessage(
Message.Error(
Resources.CallMacro_call_macro_must_be_supplied_a_macro_reference, context.Invocation.Position,
MessageClasses.MacroReferenceForCallMacroMissing));
return null;
}
if (!context.CallerIsMacro())
{
context.ReportMessage(
Message.Error(
string.Format(
Resources.CallMacro_CalledFromNonMacro,
context.Function.LogicalId), context.Invocation.Position,
MessageClasses.CallMacroCalledFromNonMacro));
return null;
}
context.EstablishMacroContext();
AstExpr call;
AstExpr justEffect;
AstExpr[] args;
AstExpr macroSpec;
if (!_parseArguments(context, out call, out justEffect, out args, out macroSpec))
return null;
// [| call\macro\prepare_macro($macroEntityRef, context, $call, $justEffect, $args...) |]
return _prepareMacro(context, macroSpec, call, justEffect, args);
}
