1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// 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
|
