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// created on 28/08/2004 at 17:30
#if !FULL_AOT_RUNTIME
using System;
using System.Reflection;
using System.Reflection.Emit;
namespace Mono.CodeGeneration
{
public class CodeSelfIncrement: CodeExpression
{
CodeValueReference exp;
public CodeSelfIncrement (CodeValueReference exp)
{
this.exp = exp;
if (!exp.IsNumber)
throw new InvalidOperationException ("Operator '++' cannot be applied to operand of type '" + exp.GetResultType().FullName + "'");
}
public override void Generate (ILGenerator gen)
{
exp.Generate (gen);
Type t = exp.GetResultType ();
switch (Type.GetTypeCode (t))
{
case TypeCode.Byte:
gen.Emit (OpCodes.Ldc_I4_1);
gen.Emit (OpCodes.Add);
gen.Emit (OpCodes.Conv_U1);
break;
case TypeCode.Decimal:
MethodInfo met = typeof(Decimal).GetMethod ("op_Increment");
CodeGenerationHelper.GenerateMethodCall (gen, null, met, exp);
break;
case TypeCode.Double:
gen.Emit (OpCodes.Ldc_R8, 1);
gen.Emit (OpCodes.Add);
break;
case TypeCode.Int16:
gen.Emit (OpCodes.Ldc_I4_1);
gen.Emit (OpCodes.Add);
gen.Emit (OpCodes.Conv_I2);
break;
case TypeCode.UInt32:
case TypeCode.Int32:
gen.Emit (OpCodes.Ldc_I4_1);
gen.Emit (OpCodes.Add);
break;
case TypeCode.UInt64:
case TypeCode.Int64:
gen.Emit (OpCodes.Ldc_I4_1);
gen.Emit (OpCodes.Add);
gen.Emit (OpCodes.Conv_U8);
break;
case TypeCode.SByte:
gen.Emit (OpCodes.Ldc_I4_1);
gen.Emit (OpCodes.Add);
gen.Emit (OpCodes.Conv_I1);
break;
case TypeCode.Single:
gen.Emit (OpCodes.Ldc_R4, 1);
gen.Emit (OpCodes.Add);
break;
case TypeCode.UInt16:
gen.Emit (OpCodes.Ldc_I4_1);
gen.Emit (OpCodes.Add);
gen.Emit (OpCodes.Conv_U2);
break;
}
exp.GenerateSet (gen, exp);
}
public override void PrintCode (CodeWriter cp)
{
exp.PrintCode (cp);
cp.Write ("++");
}
public override Type GetResultType ()
{
return exp.GetResultType();
}
}
}
#endif
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