Type 'Decoder' is a static holder type but is neither static nor NotInheritable (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1052)

Field 'CompilerOptionsRegExp' is declared as 'readonly' but is initialized with a constant value. Mark this field as 'const' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1802)

Field 'TypeCobolVersionRegExp' is declared as 'readonly' but is initialized with a constant value. Mark this field as 'const' instead. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1802)

Use ordinal string comparison (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1309)

Use ordinal string comparison (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1309)

Use ordinal string comparison (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1309)

Use ordinal string comparison (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1309)

Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1845)

Cache a 'CompositeFormat' for repeated use in this formatting operation (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1863)

The behavior of 'string.Format(string, object)' could vary based on the current user's locale settings. Replace this call in 'Transform.ShowUsage()' with a call to 'string.Format(IFormatProvider, string, params object[])'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1305)

Remove the underscores from namespace name 'TUVienna.CS_CUP' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

Abstract type 'lr_parser' should not have public constructors (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1012)

Prefix interface name Scanner with 'I' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1715)

Remove the underscores from type name TUVienna.CS_CUP.Runtime.lr_parser (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

Remove the underscores from type name TUVienna.CS_CUP.Runtime.virtual_parse_stack (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1707)

Do not declare visible instance fields (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1051)

Do not declare visible instance fields (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1051)

Do not declare visible instance fields (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1051)

Do not declare visible instance fields (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1051)