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Fix: donot add RET in SystemCall.Enum.cs
1 parent c99492a commit 0fb804b

2 files changed

Lines changed: 50 additions & 62 deletions

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‎src/Neo.Compiler.CSharp/MethodConvert/System/SystemCall.Enum.cs‎

Lines changed: 31 additions & 43 deletions
Original file line numberDiff line numberDiff line change
@@ -350,7 +350,7 @@ private static void HandleEnumIsDefinedByName(MethodConvert methodConvert, Seman
350350

351351
var enumMembers = enumTypeSymbol.GetMembers().OfType<IFieldSymbol>()
352352
.Where(field => field is { HasConstantValue: true, IsImplicitlyDeclared: false }).ToArray();
353-
353+
var endTarget = new JumpTarget();
354354
foreach (var t in enumMembers)
355355
{
356356
methodConvert.Dup(); // Duplicate input name
@@ -359,18 +359,17 @@ private static void HandleEnumIsDefinedByName(MethodConvert methodConvert, Seman
359359

360360
var nextCheck = new JumpTarget();
361361
methodConvert.JumpIfNot(nextCheck); // If not equal, check next
362-
363362
methodConvert.Drop(); // Remove the duplicated input name
364363
methodConvert.Push(true); // Push true (enum name is defined)
365-
methodConvert.Ret(); // Return true
364+
methodConvert.JumpAlways(endTarget);
366365

367366
nextCheck.Instruction = methodConvert.Nop();
368367
}
369368

370369
// No match found
371370
methodConvert.Drop(); // Remove the input name
372371
methodConvert.Push(false); // Push false (enum name is not defined)
373-
methodConvert.Ret(); // Return false
372+
endTarget.Instruction = methodConvert.Nop();
374373
}
375374

376375
/// <summary>
@@ -401,6 +400,7 @@ private static void HandleEnumGetName(MethodConvert methodConvert, SemanticModel
401400

402401
var enumMembers = enumTypeSymbol.GetMembers().OfType<IFieldSymbol>()
403402
.Where(field => field is { HasConstantValue: true, IsImplicitlyDeclared: false }).ToArray();
403+
var endTarget = new JumpTarget();
404404
foreach (var t in enumMembers)
405405
{
406406
methodConvert.Dup(); // Duplicate input value
@@ -411,15 +411,15 @@ private static void HandleEnumGetName(MethodConvert methodConvert, SemanticModel
411411

412412
methodConvert.Drop(); // Remove the duplicated input value
413413
methodConvert.Push(t.Name); // Push enum name
414-
methodConvert.Ret(); // Return enum name
414+
methodConvert.JumpAlways(endTarget);
415415

416416
nextCheck.Instruction = methodConvert.Nop();
417417
}
418418

419419
// No match found
420420
methodConvert.Drop(); // Remove the input value
421421
methodConvert.PushNull(); // Push null (no matching enum name)
422-
methodConvert.Ret(); // Return null
422+
endTarget.Instruction = methodConvert.Nop();
423423
}
424424

425425
/// <summary>
@@ -467,7 +467,7 @@ private static void HandleEnumGetNameWithType(MethodConvert methodConvert, Seman
467467

468468
var enumMembers = enumTypeSymbol.GetMembers().OfType<IFieldSymbol>()
469469
.Where(field => field is { HasConstantValue: true, IsImplicitlyDeclared: false }).ToArray();
470-
470+
var endTarget = new JumpTarget();
471471
var valueItem = methodConvert.PopInstruction(); // The second argument is the value to get the name of
472472
var enumTypeItem = methodConvert.PopInstruction(); // The first argument is the enum type, It's unused when running
473473
methodConvert.AddInstruction(valueItem);
@@ -481,15 +481,15 @@ private static void HandleEnumGetNameWithType(MethodConvert methodConvert, Seman
481481

482482
methodConvert.Drop(); // Remove the duplicated input value
483483
methodConvert.Push(t.Name); // Push enum name
484-
methodConvert.Ret(); // Return enum name
484+
methodConvert.JumpAlways(endTarget);
485485

486486
nextCheck.Instruction = methodConvert.Nop();
487487
}
488488

489489
// No match found
490490
methodConvert.Drop(); // Remove the input value
491491
methodConvert.PushNull(); // Push null (no matching enum name)
492-
methodConvert.Ret(); // Return null
492+
endTarget.Instruction = methodConvert.Nop();
493493
}
494494

495495
/// <summary>
@@ -555,17 +555,17 @@ private static void HandleEnumTryParse(MethodConvert methodConvert, SemanticMode
555555
methodConvert.JumpIfNot(nextCheck);
556556

557557
// If equal:
558-
methodConvert.Drop(2); // Remove the inputString
558+
methodConvert.Drop(2); // Remove the EnumType and inputString
559559
methodConvert.Push(t.ConstantValue); // Stack: [..., enumValue]
560560
methodConvert.AccessSlot(OpCode.STSFLD, index); // Store enum value in out parameter
561561
methodConvert.Push(true); // Stack: [..., true]
562-
methodConvert.Ret();
562+
methodConvert.JumpAlways(endTarget);
563563

564564
nextCheck.Instruction = methodConvert.Nop();
565565
}
566566

567567
// No match found
568-
methodConvert.Drop(2); // Remove the inputString
568+
methodConvert.Drop(2); // Remove the EumType and inputString
569569
methodConvert.Push(0); // Default enum value
570570
methodConvert.AccessSlot(OpCode.STSFLD, index); // Store default value in out parameter
571571
methodConvert.Push(false); // Success flag set to false
@@ -623,8 +623,6 @@ private static void HandleEnumGetNames(MethodConvert methodConvert, SemanticMode
623623
foreach (IFieldSymbol m in enumMembers.Reverse()) // PACK works in a reversed way
624624
methodConvert.Push(m.Name);
625625
methodConvert.Pack(enumMembers.Length);
626-
627-
methodConvert.Ret();
628626
}
629627

630628
/// <summary>
@@ -677,8 +675,6 @@ private static void HandleEnumGetValues(MethodConvert methodConvert, SemanticMod
677675
foreach (IFieldSymbol m in enumMembers.Reverse()) // PACK works in a reversed way
678676
methodConvert.Push(m.ConstantValue);
679677
methodConvert.Pack(enumMembers.Length);
680-
681-
methodConvert.Ret();
682678
}
683679

684680
/// <summary>
@@ -733,7 +729,8 @@ private static void HandleEnumIsDefined(MethodConvert methodConvert, SemanticMod
733729
var valueType = model.GetTypeInfo(argument.Expression).Type;
734730

735731
// We need to compare the input value against the enum values
736-
var endLabel = new JumpTarget();
732+
var endTarget = new JumpTarget();
733+
737734
// here add check logic to verify if valueType is string
738735
var isName = valueType is INamedTypeSymbol { Name: "String" };
739736

@@ -756,15 +753,14 @@ private static void HandleEnumIsDefined(MethodConvert methodConvert, SemanticMod
756753
methodConvert.JumpIfNot(nextCheck);
757754

758755
// If equal, set result to true
759-
methodConvert.Drop();
760-
methodConvert.Drop(); // Remove the false
756+
methodConvert.Drop(2); // Remove the EnumType and duplicated value
761757
methodConvert.Push(true); // Set result to true
762-
methodConvert.Ret();
758+
methodConvert.JumpAlways(endTarget);
763759
nextCheck.Instruction = methodConvert.Nop();
764760
}
765-
methodConvert.Drop();
766-
methodConvert.Drop(); // Remove the duplicated value
761+
methodConvert.Drop(2); // Remove the EnumType and duplicated value
767762
methodConvert.Push(false);
763+
endTarget.Instruction = methodConvert.Nop();
768764
}
769765

770766
private static INamedTypeSymbol EnsureEnumTypeArgument(IMethodSymbol symbol, int index, SyntaxNode? errorNode)
@@ -794,7 +790,7 @@ private static void HandleEnumToString(MethodConvert methodConvert, SemanticMode
794790
throw new CompilationException(symbol, DiagnosticId.InvalidType, "Enum.ToString is only supported on enum values.");
795791

796792
var enumMembers = GetEnumFields(enumType);
797-
793+
var endTarget = new JumpTarget();
798794
foreach (var member in enumMembers)
799795
{
800796
methodConvert.Dup();
@@ -805,12 +801,13 @@ private static void HandleEnumToString(MethodConvert methodConvert, SemanticMode
805801
methodConvert.JumpIfFalse(next);
806802
methodConvert.Drop();
807803
methodConvert.Push(member.Name);
808-
methodConvert.Ret();
804+
methodConvert.JumpAlways(endTarget);
809805
next.Instruction = methodConvert.Nop();
810806
}
811807

812808
// Fallback to numeric representation
813809
methodConvert.CallContractMethod(NativeContract.StdLib.Hash, "itoa", 1, true);
810+
endTarget.Instruction = methodConvert.Nop();
814811
}
815812

816813
private static void HandleEnumHasFlag(MethodConvert methodConvert, SemanticModel model, IMethodSymbol symbol,
@@ -942,6 +939,7 @@ private static void HandleEnumTryParseGeneric(MethodConvert methodConvert, Seman
942939

943940
byte resultSlot = methodConvert.AddAnonymousVariable();
944941
byte successSlot = methodConvert.AddAnonymousVariable();
942+
var successTarget = new JumpTarget();
945943

946944
methodConvert.Push(0);
947945
methodConvert.AccessSlot(OpCode.STLOC, resultSlot);
@@ -961,21 +959,16 @@ private static void HandleEnumTryParseGeneric(MethodConvert methodConvert, Seman
961959
methodConvert.AccessSlot(OpCode.STLOC, resultSlot);
962960
methodConvert.Push(true);
963961
methodConvert.AccessSlot(OpCode.STLOC, successSlot);
964-
JumpTarget end = new();
965-
methodConvert.JumpAlways(end);
966-
end.Instruction = methodConvert.Nop();
967-
methodConvert.AccessSlot(OpCode.LDLOC, resultSlot);
968-
methodConvert.AccessSlot(OpCode.STSFLD, index);
969-
methodConvert.AccessSlot(OpCode.LDLOC, successSlot);
970-
methodConvert.Ret();
962+
methodConvert.JumpAlways(successTarget);
963+
971964
next.Instruction = methodConvert.Nop();
972965
}
973966

974967
methodConvert.Drop();
968+
successTarget.Instruction = methodConvert.Nop();
975969
methodConvert.AccessSlot(OpCode.LDLOC, resultSlot);
976970
methodConvert.AccessSlot(OpCode.STSFLD, index);
977971
methodConvert.AccessSlot(OpCode.LDLOC, successSlot);
978-
methodConvert.Ret();
979972
}
980973

981974
private static void HandleEnumTryParseGenericIgnoreCase(MethodConvert methodConvert, SemanticModel model, IMethodSymbol symbol,
@@ -1004,7 +997,9 @@ private static void HandleEnumTryParseGenericIgnoreCase(MethodConvert methodConv
1004997
methodConvert.Push(false);
1005998
methodConvert.AccessSlot(OpCode.STLOC, successSlot);
1006999

1007-
JumpTarget skipUpper = new();
1000+
var skipUpper = new JumpTarget();
1001+
var successTarget = new JumpTarget();
1002+
10081003
methodConvert.AccessSlot(OpCode.LDLOC, ignoreSlot);
10091004
methodConvert.JumpIfFalse(skipUpper);
10101005
ConvertToUpper(methodConvert, preserveInput: true);
@@ -1031,21 +1026,16 @@ private static void HandleEnumTryParseGenericIgnoreCase(MethodConvert methodConv
10311026
methodConvert.AccessSlot(OpCode.STLOC, resultSlot);
10321027
methodConvert.Push(true);
10331028
methodConvert.AccessSlot(OpCode.STLOC, successSlot);
1034-
JumpTarget end = new();
1035-
methodConvert.JumpAlways(end);
1036-
end.Instruction = methodConvert.Nop();
1037-
methodConvert.AccessSlot(OpCode.LDLOC, resultSlot);
1038-
methodConvert.AccessSlot(OpCode.STSFLD, index);
1039-
methodConvert.AccessSlot(OpCode.LDLOC, successSlot);
1040-
methodConvert.Ret();
1029+
methodConvert.JumpAlways(successTarget);
1030+
10411031
next.Instruction = methodConvert.Nop();
10421032
}
10431033

10441034
methodConvert.Drop();
1035+
successTarget.Instruction = methodConvert.Nop();
10451036
methodConvert.AccessSlot(OpCode.LDLOC, resultSlot);
10461037
methodConvert.AccessSlot(OpCode.STSFLD, index);
10471038
methodConvert.AccessSlot(OpCode.LDLOC, successSlot);
1048-
methodConvert.Ret();
10491039
}
10501040

10511041
private static void HandleEnumGetValuesGeneric(MethodConvert methodConvert, SemanticModel model, IMethodSymbol symbol,
@@ -1058,7 +1048,6 @@ private static void HandleEnumGetValuesGeneric(MethodConvert methodConvert, Sema
10581048
methodConvert.Push(member.ConstantValue);
10591049

10601050
methodConvert.Pack(members.Length);
1061-
methodConvert.Ret();
10621051
}
10631052

10641053
private static void HandleEnumGetNamesGeneric(MethodConvert methodConvert, SemanticModel model, IMethodSymbol symbol,
@@ -1071,6 +1060,5 @@ private static void HandleEnumGetNamesGeneric(MethodConvert methodConvert, Seman
10711060
methodConvert.Push(member.Name);
10721061

10731062
methodConvert.Pack(members.Length);
1074-
methodConvert.Ret();
10751063
}
10761064
}

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