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Add test case for switch without default + remove empty default sections in StatementBuilder.

pull/887/head
Siegfried Pammer 8 years ago
parent
953c6a0929
commit
f2ee1c55f9
6 changed files with 427 additions and 38 deletions
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  1. 34
      ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.cs
  2. 129
      ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.il
  3. 112
      ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.opt.il
  4. 78
      ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.opt.roslyn.il
  5. 106
      ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.roslyn.il
  6. 6
      ICSharpCode.Decompiler/CSharp/StatementBuilder.cs

34
ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.cs
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@ -160,6 +160,40 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty @@ -160,6 +160,40 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
}
}
public static void SwitchOverInt(int i)
{
switch (i) {
case 0: {
Console.WriteLine("zero");
break;
}
case 5: {
Console.WriteLine("five");
break;
}
case 10: {
Console.WriteLine("ten");
break;
}
case 15: {
Console.WriteLine("fifteen");
break;
}
case 20: {
Console.WriteLine("twenty");
break;
}
case 25: {
Console.WriteLine("twenty-five");
break;
}
case 30: {
Console.WriteLine("thirty");
break;
}
}
}
public static string ShortSwitchOverString(string text)
{
Console.WriteLine("ShortSwitchOverString: " + text);

129
ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.il
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@ -10,7 +10,7 @@ @@ -10,7 +10,7 @@
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
.ver 4:0:0:0
}
.assembly nyniamwr
.assembly cgwywrw0
{
.custom instance void [mscorlib]System.Runtime.CompilerServices.RuntimeCompatibilityAttribute::.ctor() = ( 01 00 01 00 54 02 16 57 72 61 70 4E 6F 6E 45 78 // ....T..WrapNonEx
63 65 70 74 69 6F 6E 54 68 72 6F 77 73 01 ) // ceptionThrows.
@ -20,15 +20,15 @@ @@ -20,15 +20,15 @@
.hash algorithm 0x00008004
.ver 0:0:0:0
}
.module nyniamwr.dll
// MVID: {95C99B41-CBA3-42E4-A4DE-27E535671AB2}
.module cgwywrw0.dll
// MVID: {12C66A56-696F-4026-B79B-EFB40F4CD81E}
.custom instance void [mscorlib]System.Security.UnverifiableCodeAttribute::.ctor() = ( 01 00 00 00 )
.imagebase 0x10000000
.file alignment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003 // WINDOWS_CUI
.corflags 0x00000001 // ILONLY
// Image base: 0x03080000
// Image base: 0x00B50000
// =============== CLASS MEMBERS DECLARATION ===================
@ -476,6 +476,101 @@ @@ -476,6 +476,101 @@
IL_006b: ret
} // end of method Switch::SwitchOverNullableIntNoNullCaseShifted
.method public hidebysig static void SwitchOverInt(int32 i) cil managed
{
// Code size 151 (0x97)
.maxstack 2
.locals init (int32 V_0)
IL_0000: nop
IL_0001: ldarg.0
IL_0002: stloc.0
IL_0003: ldloc.0
IL_0004: ldc.i4.s 10
IL_0006: bgt.s IL_0017
IL_0008: ldloc.0
IL_0009: ldc.i4.0
IL_000a: beq.s IL_0034
IL_000c: ldloc.0
IL_000d: ldc.i4.5
IL_000e: beq.s IL_0042
IL_0010: ldloc.0
IL_0011: ldc.i4.s 10
IL_0013: beq.s IL_0050
IL_0015: br.s IL_0096
IL_0017: ldloc.0
IL_0018: ldc.i4.s 20
IL_001a: bgt.s IL_0028
IL_001c: ldloc.0
IL_001d: ldc.i4.s 15
IL_001f: beq.s IL_005e
IL_0021: ldloc.0
IL_0022: ldc.i4.s 20
IL_0024: beq.s IL_006c
IL_0026: br.s IL_0096
IL_0028: ldloc.0
IL_0029: ldc.i4.s 25
IL_002b: beq.s IL_007a
IL_002d: ldloc.0
IL_002e: ldc.i4.s 30
IL_0030: beq.s IL_0088
IL_0032: br.s IL_0096
IL_0034: nop
IL_0035: ldstr "zero"
IL_003a: call void [mscorlib]System.Console::WriteLine(string)
IL_003f: nop
IL_0040: br.s IL_0096
IL_0042: nop
IL_0043: ldstr "five"
IL_0048: call void [mscorlib]System.Console::WriteLine(string)
IL_004d: nop
IL_004e: br.s IL_0096
IL_0050: nop
IL_0051: ldstr "ten"
IL_0056: call void [mscorlib]System.Console::WriteLine(string)
IL_005b: nop
IL_005c: br.s IL_0096
IL_005e: nop
IL_005f: ldstr "fifteen"
IL_0064: call void [mscorlib]System.Console::WriteLine(string)
IL_0069: nop
IL_006a: br.s IL_0096
IL_006c: nop
IL_006d: ldstr "twenty"
IL_0072: call void [mscorlib]System.Console::WriteLine(string)
IL_0077: nop
IL_0078: br.s IL_0096
IL_007a: nop
IL_007b: ldstr "twenty-five"
IL_0080: call void [mscorlib]System.Console::WriteLine(string)
IL_0085: nop
IL_0086: br.s IL_0096
IL_0088: nop
IL_0089: ldstr "thirty"
IL_008e: call void [mscorlib]System.Console::WriteLine(string)
IL_0093: nop
IL_0094: br.s IL_0096
IL_0096: ret
} // end of method Switch::SwitchOverInt
.method public hidebysig static string
ShortSwitchOverString(string text) cil managed
{
@ -560,7 +655,7 @@ @@ -560,7 +655,7 @@
IL_0015: brfalse IL_00ef
IL_001a: volatile.
IL_001c: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x6000007-1'
IL_001c: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x6000008-1'
IL_0021: brtrue.s IL_0084
IL_0023: ldc.i4.7
@ -601,9 +696,9 @@ @@ -601,9 +696,9 @@
IL_0078: call instance void class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::Add(!0,
!1)
IL_007d: volatile.
IL_007f: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x6000007-1'
IL_007f: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x6000008-1'
IL_0084: volatile.
IL_0086: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x6000007-1'
IL_0086: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x6000008-1'
IL_008b: ldloc.1
IL_008c: ldloca.s V_2
IL_008e: call instance bool class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::TryGetValue(!0,
@ -686,7 +781,7 @@ @@ -686,7 +781,7 @@
IL_0015: brfalse IL_0165
IL_001a: volatile.
IL_001c: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x6000008-1'
IL_001c: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x6000009-1'
IL_0021: brtrue IL_00ba
IL_0026: ldc.i4.s 11
@ -747,9 +842,9 @@ @@ -747,9 +842,9 @@
IL_00ae: call instance void class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::Add(!0,
!1)
IL_00b3: volatile.
IL_00b5: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x6000008-1'
IL_00b5: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x6000009-1'
IL_00ba: volatile.
IL_00bc: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x6000008-1'
IL_00bc: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x6000009-1'
IL_00c1: ldloc.2
IL_00c2: ldloca.s V_3
IL_00c4: call instance bool class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::TryGetValue(!0,
@ -1064,7 +1159,7 @@ @@ -1064,7 +1159,7 @@
IL_0034: brfalse IL_012d
IL_0039: volatile.
IL_003b: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x600000d-1'
IL_003b: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x600000e-1'
IL_0040: brtrue.s IL_0097
IL_0042: ldc.i4.6
@ -1100,9 +1195,9 @@ @@ -1100,9 +1195,9 @@
IL_008b: call instance void class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::Add(!0,
!1)
IL_0090: volatile.
IL_0092: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x600000d-1'
IL_0092: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x600000e-1'
IL_0097: volatile.
IL_0099: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'::'$$method0x600000d-1'
IL_0099: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'::'$$method0x600000e-1'
IL_009e: ldloc.s V_6
IL_00a0: ldloca.s V_7
IL_00a2: call instance bool class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::TryGetValue(!0,
@ -1196,14 +1291,14 @@ @@ -1196,14 +1291,14 @@
} // end of class ICSharpCode.Decompiler.Tests.TestCases.Pretty.Switch
.class private auto ansi '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'
.class private auto ansi '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'
extends [mscorlib]System.Object
{
.custom instance void [mscorlib]System.Runtime.CompilerServices.CompilerGeneratedAttribute::.ctor() = ( 01 00 00 00 )
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x6000007-1'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x6000008-1'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x600000d-1'
} // end of class '<PrivateImplementationDetails>{95C99B41-CBA3-42E4-A4DE-27E535671AB2}'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x6000009-1'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x600000e-1'
} // end of class '<PrivateImplementationDetails>{12C66A56-696F-4026-B79B-EFB40F4CD81E}'
// =============================================================

112
ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.opt.il
Unescape View File

@ -10,7 +10,7 @@ @@ -10,7 +10,7 @@
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
.ver 4:0:0:0
}
.assembly f3gworj3
.assembly '2bmtzwrf'
{
.custom instance void [mscorlib]System.Runtime.CompilerServices.RuntimeCompatibilityAttribute::.ctor() = ( 01 00 01 00 54 02 16 57 72 61 70 4E 6F 6E 45 78 // ....T..WrapNonEx
63 65 70 74 69 6F 6E 54 68 72 6F 77 73 01 ) // ceptionThrows.
@ -20,15 +20,15 @@ @@ -20,15 +20,15 @@
.hash algorithm 0x00008004
.ver 0:0:0:0
}
.module f3gworj3.dll
// MVID: {6837A40E-7A00-4F01-B2D7-DE0001F70EDF}
.module '2bmtzwrf.dll'
// MVID: {F90E3F03-F070-45F0-AC05-0914EF70B327}
.custom instance void [mscorlib]System.Security.UnverifiableCodeAttribute::.ctor() = ( 01 00 00 00 )
.imagebase 0x10000000
.file alignment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003 // WINDOWS_CUI
.corflags 0x00000001 // ILONLY
// Image base: 0x00780000
// Image base: 0x02E10000
// =============== CLASS MEMBERS DECLARATION ===================
@ -382,6 +382,84 @@ @@ -382,6 +382,84 @@
IL_005b: ret
} // end of method Switch::SwitchOverNullableIntNoNullCaseShifted
.method public hidebysig static void SwitchOverInt(int32 i) cil managed
{
// Code size 125 (0x7d)
.maxstack 2
.locals init (int32 V_0)
IL_0000: ldarg.0
IL_0001: stloc.0
IL_0002: ldloc.0
IL_0003: ldc.i4.s 10
IL_0005: bgt.s IL_0015
IL_0007: ldloc.0
IL_0008: ldc.i4.0
IL_0009: beq.s IL_0030
IL_000b: ldloc.0
IL_000c: ldc.i4.5
IL_000d: beq.s IL_003b
IL_000f: ldloc.0
IL_0010: ldc.i4.s 10
IL_0012: beq.s IL_0046
IL_0014: ret
IL_0015: ldloc.0
IL_0016: ldc.i4.s 20
IL_0018: bgt.s IL_0025
IL_001a: ldloc.0
IL_001b: ldc.i4.s 15
IL_001d: beq.s IL_0051
IL_001f: ldloc.0
IL_0020: ldc.i4.s 20
IL_0022: beq.s IL_005c
IL_0024: ret
IL_0025: ldloc.0
IL_0026: ldc.i4.s 25
IL_0028: beq.s IL_0067
IL_002a: ldloc.0
IL_002b: ldc.i4.s 30
IL_002d: beq.s IL_0072
IL_002f: ret
IL_0030: ldstr "zero"
IL_0035: call void [mscorlib]System.Console::WriteLine(string)
IL_003a: ret
IL_003b: ldstr "five"
IL_0040: call void [mscorlib]System.Console::WriteLine(string)
IL_0045: ret
IL_0046: ldstr "ten"
IL_004b: call void [mscorlib]System.Console::WriteLine(string)
IL_0050: ret
IL_0051: ldstr "fifteen"
IL_0056: call void [mscorlib]System.Console::WriteLine(string)
IL_005b: ret
IL_005c: ldstr "twenty"
IL_0061: call void [mscorlib]System.Console::WriteLine(string)
IL_0066: ret
IL_0067: ldstr "twenty-five"
IL_006c: call void [mscorlib]System.Console::WriteLine(string)
IL_0071: ret
IL_0072: ldstr "thirty"
IL_0077: call void [mscorlib]System.Console::WriteLine(string)
IL_007c: ret
} // end of method Switch::SwitchOverInt
.method public hidebysig static string
ShortSwitchOverString(string text) cil managed
{
@ -449,7 +527,7 @@ @@ -449,7 +527,7 @@
IL_0013: brfalse IL_00db
IL_0018: volatile.
IL_001a: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x6000007-1'
IL_001a: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x6000008-1'
IL_001f: brtrue.s IL_0082
IL_0021: ldc.i4.7
@ -490,9 +568,9 @@ @@ -490,9 +568,9 @@
IL_0076: call instance void class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::Add(!0,
!1)
IL_007b: volatile.
IL_007d: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x6000007-1'
IL_007d: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x6000008-1'
IL_0082: volatile.
IL_0084: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x6000007-1'
IL_0084: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x6000008-1'
IL_0089: ldloc.0
IL_008a: ldloca.s V_1
IL_008c: call instance bool class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::TryGetValue(!0,
@ -553,7 +631,7 @@ @@ -553,7 +631,7 @@
IL_0013: brfalse IL_013f
IL_0018: volatile.
IL_001a: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x6000008-1'
IL_001a: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x6000009-1'
IL_001f: brtrue IL_00b8
IL_0024: ldc.i4.s 11
@ -614,9 +692,9 @@ @@ -614,9 +692,9 @@
IL_00ac: call instance void class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::Add(!0,
!1)
IL_00b1: volatile.
IL_00b3: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x6000008-1'
IL_00b3: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x6000009-1'
IL_00b8: volatile.
IL_00ba: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x6000008-1'
IL_00ba: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x6000009-1'
IL_00bf: ldloc.1
IL_00c0: ldloca.s V_2
IL_00c2: call instance bool class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::TryGetValue(!0,
@ -845,7 +923,7 @@ @@ -845,7 +923,7 @@
IL_0031: brfalse IL_0119
IL_0036: volatile.
IL_0038: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x600000d-1'
IL_0038: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x600000e-1'
IL_003d: brtrue.s IL_0094
IL_003f: ldc.i4.6
@ -881,9 +959,9 @@ @@ -881,9 +959,9 @@
IL_0088: call instance void class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::Add(!0,
!1)
IL_008d: volatile.
IL_008f: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x600000d-1'
IL_008f: stsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x600000e-1'
IL_0094: volatile.
IL_0096: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'::'$$method0x600000d-1'
IL_0096: ldsfld class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'::'$$method0x600000e-1'
IL_009b: ldloc.s V_6
IL_009d: ldloca.s V_7
IL_009f: call instance bool class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32>::TryGetValue(!0,
@ -955,14 +1033,14 @@ @@ -955,14 +1033,14 @@
} // end of class ICSharpCode.Decompiler.Tests.TestCases.Pretty.Switch
.class private auto ansi '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'
.class private auto ansi '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'
extends [mscorlib]System.Object
{
.custom instance void [mscorlib]System.Runtime.CompilerServices.CompilerGeneratedAttribute::.ctor() = ( 01 00 00 00 )
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x6000007-1'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x6000008-1'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x600000d-1'
} // end of class '<PrivateImplementationDetails>{6837A40E-7A00-4F01-B2D7-DE0001F70EDF}'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x6000009-1'
.field static assembly class [mscorlib]System.Collections.Generic.Dictionary`2<string,int32> '$$method0x600000e-1'
} // end of class '<PrivateImplementationDetails>{F90E3F03-F070-45F0-AC05-0914EF70B327}'
// =============================================================

78
ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.opt.roslyn.il
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@ -25,14 +25,14 @@ @@ -25,14 +25,14 @@
.ver 0:0:0:0
}
.module Switch.dll
// MVID: {04DBCBA6-8175-41CD-8917-9428C9765986}
// MVID: {C83C2FCD-FA35-4E74-9418-9B91F2C0748A}
.custom instance void [mscorlib]System.Security.UnverifiableCodeAttribute::.ctor() = ( 01 00 00 00 )
.imagebase 0x10000000
.file alignment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003 // WINDOWS_CUI
.corflags 0x00000001 // ILONLY
// Image base: 0x00830000
// Image base: 0x01020000
// =============== CLASS MEMBERS DECLARATION ===================
@ -393,6 +393,80 @@ @@ -393,6 +393,80 @@
IL_005b: ret
} // end of method Switch::SwitchOverNullableIntNoNullCaseShifted
.method public hidebysig static void SwitchOverInt(int32 i) cil managed
{
// Code size 122 (0x7a)
.maxstack 2
IL_0000: ldarg.0
IL_0001: ldc.i4.s 10
IL_0003: bgt.s IL_0012
IL_0005: ldarg.0
IL_0006: brfalse.s IL_002d
IL_0008: ldarg.0
IL_0009: ldc.i4.5
IL_000a: beq.s IL_0038
IL_000c: ldarg.0
IL_000d: ldc.i4.s 10
IL_000f: beq.s IL_0043
IL_0011: ret
IL_0012: ldarg.0
IL_0013: ldc.i4.s 20
IL_0015: bgt.s IL_0022
IL_0017: ldarg.0
IL_0018: ldc.i4.s 15
IL_001a: beq.s IL_004e
IL_001c: ldarg.0
IL_001d: ldc.i4.s 20
IL_001f: beq.s IL_0059
IL_0021: ret
IL_0022: ldarg.0
IL_0023: ldc.i4.s 25
IL_0025: beq.s IL_0064
IL_0027: ldarg.0
IL_0028: ldc.i4.s 30
IL_002a: beq.s IL_006f
IL_002c: ret
IL_002d: ldstr "zero"
IL_0032: call void [mscorlib]System.Console::WriteLine(string)
IL_0037: ret
IL_0038: ldstr "five"
IL_003d: call void [mscorlib]System.Console::WriteLine(string)
IL_0042: ret
IL_0043: ldstr "ten"
IL_0048: call void [mscorlib]System.Console::WriteLine(string)
IL_004d: ret
IL_004e: ldstr "fifteen"
IL_0053: call void [mscorlib]System.Console::WriteLine(string)
IL_0058: ret
IL_0059: ldstr "twenty"
IL_005e: call void [mscorlib]System.Console::WriteLine(string)
IL_0063: ret
IL_0064: ldstr "twenty-five"
IL_0069: call void [mscorlib]System.Console::WriteLine(string)
IL_006e: ret
IL_006f: ldstr "thirty"
IL_0074: call void [mscorlib]System.Console::WriteLine(string)
IL_0079: ret
} // end of method Switch::SwitchOverInt
.method public hidebysig static string
ShortSwitchOverString(string text) cil managed
{

106
ICSharpCode.Decompiler.Tests/TestCases/Pretty/Switch.roslyn.il
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@ -25,14 +25,14 @@ @@ -25,14 +25,14 @@
.ver 0:0:0:0
}
.module Switch.dll
// MVID: {87DEBC09-DFAD-437D-9221-109E2117A07A}
// MVID: {B5801C4A-C979-4EC9-B5B2-295587FEEF30}
.custom instance void [mscorlib]System.Security.UnverifiableCodeAttribute::.ctor() = ( 01 00 00 00 )
.imagebase 0x10000000
.file alignment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003 // WINDOWS_CUI
.corflags 0x00000001 // ILONLY
// Image base: 0x02960000
// Image base: 0x005D0000
// =============== CLASS MEMBERS DECLARATION ===================
@ -521,6 +521,108 @@ @@ -521,6 +521,108 @@
IL_0079: ret
} // end of method Switch::SwitchOverNullableIntNoNullCaseShifted
.method public hidebysig static void SwitchOverInt(int32 i) cil managed
{
// Code size 161 (0xa1)
.maxstack 2
.locals init (int32 V_0)
IL_0000: nop
IL_0001: ldarg.0
IL_0002: stloc.0
IL_0003: ldloc.0
IL_0004: ldc.i4.s 10
IL_0006: bgt.s IL_001d
IL_0008: ldloc.0
IL_0009: brfalse.s IL_003e
IL_000b: br.s IL_000d
IL_000d: ldloc.0
IL_000e: ldc.i4.5
IL_000f: beq.s IL_004c
IL_0011: br.s IL_0013
IL_0013: ldloc.0
IL_0014: ldc.i4.s 10
IL_0016: beq.s IL_005a
IL_0018: br IL_00a0
IL_001d: ldloc.0
IL_001e: ldc.i4.s 20
IL_0020: bgt.s IL_0030
IL_0022: ldloc.0
IL_0023: ldc.i4.s 15
IL_0025: beq.s IL_0068
IL_0027: br.s IL_0029
IL_0029: ldloc.0
IL_002a: ldc.i4.s 20
IL_002c: beq.s IL_0076
IL_002e: br.s IL_00a0
IL_0030: ldloc.0
IL_0031: ldc.i4.s 25
IL_0033: beq.s IL_0084
IL_0035: br.s IL_0037
IL_0037: ldloc.0
IL_0038: ldc.i4.s 30
IL_003a: beq.s IL_0092
IL_003c: br.s IL_00a0
IL_003e: nop
IL_003f: ldstr "zero"
IL_0044: call void [mscorlib]System.Console::WriteLine(string)
IL_0049: nop
IL_004a: br.s IL_00a0
IL_004c: nop
IL_004d: ldstr "five"
IL_0052: call void [mscorlib]System.Console::WriteLine(string)
IL_0057: nop
IL_0058: br.s IL_00a0
IL_005a: nop
IL_005b: ldstr "ten"
IL_0060: call void [mscorlib]System.Console::WriteLine(string)
IL_0065: nop
IL_0066: br.s IL_00a0
IL_0068: nop
IL_0069: ldstr "fifteen"
IL_006e: call void [mscorlib]System.Console::WriteLine(string)
IL_0073: nop
IL_0074: br.s IL_00a0
IL_0076: nop
IL_0077: ldstr "twenty"
IL_007c: call void [mscorlib]System.Console::WriteLine(string)
IL_0081: nop
IL_0082: br.s IL_00a0
IL_0084: nop
IL_0085: ldstr "twenty-five"
IL_008a: call void [mscorlib]System.Console::WriteLine(string)
IL_008f: nop
IL_0090: br.s IL_00a0
IL_0092: nop
IL_0093: ldstr "thirty"
IL_0098: call void [mscorlib]System.Console::WriteLine(string)
IL_009d: nop
IL_009e: br.s IL_00a0
IL_00a0: ret
} // end of method Switch::SwitchOverInt
.method public hidebysig static string
ShortSwitchOverString(string text) cil managed
{

6
ICSharpCode.Decompiler/CSharp/StatementBuilder.cs
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@ -175,6 +175,12 @@ namespace ICSharpCode.Decompiler.CSharp @@ -175,6 +175,12 @@ namespace ICSharpCode.Decompiler.CSharp
else
ConvertSwitchSectionBody(astSection, section.Body);
break;
case Leave leave:
if (astSection.CaseLabels.Count == 1 && astSection.CaseLabels.First().Expression.IsNull && leave.TargetContainer == switchContainer) {
stmt.SwitchSections.Remove(astSection);
break;
}
goto default;
default:
ConvertSwitchSectionBody(astSection, section.Body);
break;

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