public CacheStructure(TypeStructure rt, ExpressionStructure exp)
: base(rt)
{
Expression = exp;
Cache = new LocalStructure(Expression.ResultType);
AppendChild(Expression);
AppendChild(Cache);
}
public LoopLocalStructure(string name, TypeStructure dt, CilStructure def)
: base(dt)
{
Name = name;
DataType = dt;
DefaultValue = def;
Local = new LocalStructure(name, dt);
AppendChild(DefaultValue);
AppendChild(Local);
}
internal void BuildCall(CilStructure variant, CodeGenerator cg)
{
var b = variant as BuilderStructure;
if(b != null && BaseInstance != null)
{
variant = b.RenewInstance(BaseInstance);
}
var f = variant as FieldStructure;
if(f != null)
{
if(f.IsEnumField)
{
cg.GeneratePrimitive((dynamic)f.DefaultValue);
}
else if (IsStore)
{
if(f.IsStatic)
{
cg.GenerateStore(f);
cg.GenerateLoad(f);
}
else
{
cg.GenerateCode(OpCodes.Dup);
var temp = new LocalStructure(f.DataType, cg);
cg.GenerateStore(temp);
cg.GenerateStore(f);
cg.GenerateLoad(temp);
}
}
else
{
cg.GenerateLoad(f);
}
return;
}
var l = variant as LocalStructure;
if (l != null)
{
if (IsStore)
{
cg.GenerateStore(l);
}
cg.GenerateLoad(l);
return;
}
var p = variant as ParameterStructure;
if(p != null)
{
if (IsStore)
{
cg.GenerateStore(p);
}
cg.GenerateLoad(p);
return;
}
var lo = variant as LoopLocalStructure;
if (lo != null)
{
if (IsStore)
{
cg.GenerateStore(lo.Local);
}
cg.GenerateLoad(lo.Local);
return;
}
var v = variant as ValueStructure;
if(v != null)
{
cg.GeneratePrimitive(v.Value);
return;
}
throw new InvalidOperationException();
}
internal override void BuildCode()
{
if(CurrentContainer.IsDataTypeContext)
{
return;
}
var cg = CurrentContainer.GainGenerator();
if (Pre != null)
{
Pre.BuildCode();
if (Call is MethodStructure && Pre.ResultType != null)
{
cg.GenerateToAddress(Pre.ResultType);
}
}
if (Call == null)
{
return;
}
if (IsVariadic)
{
var arr = new LocalStructure(GetVariadicType(Call), cg);
cg.GenerateArray(GetVariadicLangth(Call), arr.DataType.GetBaseType());
cg.GenerateStore(arr);
var vi = GetVariadicIndex(Call);
for (var i = 0; i < Arguments.Count; ++i)
{
if (i < vi)
{
Arguments[i].BuildCode();
if (Converters[i] != null)
{
Converters[i].BuildCall(cg);
}
}
else
{
cg.GenerateLoad(arr);
cg.GeneratePrimitive(i - vi);
Arguments[i].BuildCode();
if (Converters[i] != null)
{
Converters[i].BuildCall(cg);
}
cg.GenerateToAddress(Arguments[i].ResultType, arr.DataType.GetBaseType());
cg.GenerateStoreElement(arr.DataType.GetBaseType());
}
}
cg.GenerateLoad(arr);
}
else
{
for (var i = 0; i < Arguments.Count; ++i)
{
Arguments[i].BuildCode();
if(Converters[i] != null)
{
Converters[i].BuildCall(cg);
}
}
}
var lss = Call as LoadStoreStructure;
var gms = Call as GenericMethodStructure;
if (lss != null)
{
lss.BuildCall(Variant, cg);
}
else if(gms != null)
{
gms.BuildCall(Variant, cg);
}
else
{
Call.BuildCall(cg);
}
}
internal void GenerateToAddress(TypeStructure from)
{
if (from.IsValueType)
{
var loc = new LocalStructure(from, this);
GenerateStore(loc);
GenerateLoadAddress(loc);
}
}
internal void GenerateStore(LocalStructure local)
{
var lb = local.GainLocal();
if (lb.LocalIndex <= 255)
{
switch (lb.LocalIndex)
{
case 0: Generator.Emit(OpCodes.Stloc_0); break;
case 1: Generator.Emit(OpCodes.Stloc_1); break;
case 2: Generator.Emit(OpCodes.Stloc_2); break;
case 3: Generator.Emit(OpCodes.Stloc_3); break;
default: Generator.Emit(OpCodes.Stloc_S, lb); break;
}
}
else
{
Generator.Emit(OpCodes.Stloc, lb);
}
}
internal void GenerateLoadAddress(LocalStructure local)
{
var lb = local.GainLocal();
if (lb.LocalIndex <= 255)
{
Generator.Emit(OpCodes.Ldloca_S, lb);
}
else
{
Generator.Emit(OpCodes.Ldloca, lb);
}
}