Roslyn.Diagnostics.Analyzers.md

Roslyn.Diagnostics.Analyzers

RS0001: Use 'SpecializedCollections.EmptyEnumerable()'

Item	Value
Category	RoslynDiagnosticsPerformance
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Use 'SpecializedCollections.EmptyEnumerable()'

RS0002: Use 'SpecializedCollections.SingletonEnumerable()'

Item	Value
Category	RoslynDiagnosticsPerformance
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Use 'SpecializedCollections.SingletonEnumerable()'

RS0004: Invoke the correct property to ensure correct use site diagnostics

Item	Value
Category	Usage
Enabled	False
Severity	Error
CodeFix	False

Rule description

Invoke the correct property to ensure correct use site diagnostics

RS0005: Do not use generic 'CodeAction.Create' to create 'CodeAction'

Item	Value
Category	RoslynDiagnosticsPerformance
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Do not use generic 'CodeAction.Create' to create 'CodeAction'

RS0006: Do not mix attributes from different versions of MEF

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Do not mix attributes from different versions of MEF.

RS0019: 'SymbolDeclaredEvent' must be generated for source symbols

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	False
Severity	Error
CodeFix	False

Rule description

Compilation event queue is required to generate symbol declared events for all declared source symbols. Hence, every source symbol type or one of its base types must generate a symbol declared event.

RS0023: Parts exported with MEFv2 must be marked with 'SharedAttribute'

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Part exported with MEFv2 must be marked with the 'SharedAttribute'.

RS0032: Test exports should not be discoverable

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	False
Severity	Warning
CodeFix	True

Rule description

Test exports should not be discoverable.

RS0033: Importing constructor should be marked with 'ObsoleteAttribute'

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Importing constructor should be marked with 'ObsoleteAttribute'.

RS0034: Exported parts should be marked with 'ImportingConstructorAttribute'

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Exported parts should be marked with 'ImportingConstructorAttribute'.

RS0038: Prefer null literal

Item	Value
Category	RoslynDiagnosticsMaintainability
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Use 'null' instead of 'default' for nullable types.

RS0040: Defaultable types should have defaultable fields

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Defaultable types should have defaultable fields.

RS0042: Do not copy value

Item	Value
Category	RoslynDiagnosticsReliability
Enabled	True
Severity	Warning
CodeFix	False

Rule description

Do not unbox non-copyable value types.

RS0043: Do not call 'GetTestAccessor()'

Item	Value
Category	RoslynDiagnosticsMaintainability
Enabled	True
Severity	Warning
CodeFix	False

Rule description

'GetTestAccessor()' is a helper method reserved for testing. Production code must not call this member.

RS0046: Avoid the 'Opt' suffix

Item	Value
Category	RoslynDiagnosticsDesign
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Avoid the 'Opt' suffix in a nullable-enabled code.

RS0100: Statements must be placed on their own line

Item	Value
Category	RoslynDiagnosticsMaintainability
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Statements must be placed on their own line

RS0101: Avoid multiple blank lines

Item	Value
Category	RoslynDiagnosticsMaintainability
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Avoid multiple blank lines

RS0102: Braces must not have blank lines between them

Item	Value
Category	RoslynDiagnosticsMaintainability
Enabled	True
Severity	Warning
CodeFix	True

Rule description

Braces must not have blank lines between them