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