public override void Create()
{
//foreach (var v in value)v.Create();
if (funcName.ILValue == "CAST")
{
foreach (var v in value)
{
v.Create();
}
switch (returnType.ILValue)
{
case "float32": ILGen.AddInstruct(Instruction.conv_r4); return;
case "float64": ILGen.AddInstruct(Instruction.conv_r8); return;
}
}
else if (funcName.ILValue == "COND")
{
var b = value[0] as BoolTree;
b.left.Create();
b.right.Create();
var c1 = ILGen.ILNumber + 1;
var c2 = ILGen.ILNumber + 2;
ILGen.AddPreserved(c1);
ILGen.AddPreserved(c2);
switch (b.Op.ToString())
{
case ">":
ILGen.AddInstruct(Instruction.bgt_s, ILGen.GetILNumber(c1)); break;
case "<":
ILGen.AddInstruct(Instruction.blt_s, ILGen.GetILNumber(c1)); break;
case "<=":
ILGen.AddInstruct(Instruction.ble_s, ILGen.GetILNumber(c1));
break;
case ">=":
ILGen.AddInstruct(Instruction.bge_s, ILGen.GetILNumber(c1));
break;
case "==":
ILGen.AddInstruct(Instruction.beq_s, ILGen.GetILNumber(c1));
break;
case "!=":
ILGen.AddInstruct(Instruction.bne_s, ILGen.GetILNumber(c1));
break;
}
value[2].Create();
ILGen.AddInstruct(Instruction.br_s, ILGen.GetILNumber(c2));
ILGen.UsePreserverd(c1);
value[1].Create();
ILGen.UsePreserverd(c2);
ILGen.AddInstruct(Instruction.nop);
}
else
{
foreach (var v in value)
{
v.Create();
}
var paramtypes = "";
foreach (var a in arguments)
{
paramtypes += a.ILValue + ",";
}
paramtypes = paramtypes.Remove(paramtypes.LastIndexOf(",", StringComparison.Ordinal), 1);
ILGen.AddInstruct(Instruction.call,
returnType.ILValue + " " + (isSystemFunction ? "[mscorlib]" : "") + funcName.ILValue + "(" +
paramtypes + ")");
}
}
