public static StatementSyntax Rewrite(
SwitchStatementSyntax switchStatement,
SemanticModel model,
ITypeSymbol declaratorToRemoveTypeOpt,
SyntaxKind nodeToGenerate,
bool shouldMoveNextStatementToSwitchExpression,
bool generateDeclaration
)
{
if (switchStatement.ContainsDirectives)
{
// Do not rewrite statements with preprocessor directives
return(switchStatement);
}
var rewriter = new Rewriter(
isAllThrowStatements: nodeToGenerate == SyntaxKind.ThrowStatement
);
// Rewrite the switch statement as a switch expression.
var switchExpression = rewriter.RewriteSwitchStatement(
switchStatement,
model,
allowMoveNextStatementToSwitchExpression: shouldMoveNextStatementToSwitchExpression
);
// Generate the final statement to wrap the switch expression, e.g. a "return" or an assignment.
return(rewriter.GetFinalStatement(
switchExpression,
switchStatement.SwitchKeyword.LeadingTrivia,
declaratorToRemoveTypeOpt,
nodeToGenerate,
generateDeclaration
));
}
public static StatementSyntax Rewrite(
SwitchStatementSyntax switchStatement,
SyntaxKind nodeToGenerate, bool shouldMoveNextStatementToSwitchExpression, bool generateDeclaration)
{
var rewriter = new Rewriter(isAllThrowStatements: nodeToGenerate == SyntaxKind.ThrowStatement);
// Rewrite the switch statement as a switch expression.
var switchExpression = rewriter.RewriteSwitchStatement(switchStatement,
allowMoveNextStatementToSwitchExpression: shouldMoveNextStatementToSwitchExpression);
// Generate the final statement to wrap the switch expression, e.g. a "return" or an assignment.
return(rewriter.GetFinalStatement(switchExpression,
switchStatement.SwitchKeyword.LeadingTrivia, nodeToGenerate, generateDeclaration));
}
public static StatementSyntax Rewrite(
SwitchStatementSyntax switchStatement, SemanticModel semanticModel, SyntaxEditor editor,
SyntaxKind nodeToGenerate, bool shouldMoveNextStatementToSwitchExpression)
{
var rewriter = new Rewriter(isAllThrowStatements: nodeToGenerate == SyntaxKind.ThrowStatement);
// Rewrite the switch statement as a switch expression.
var switchExpression = rewriter.RewriteSwitchStatement(switchStatement,
allowMoveNextStatementToSwitchExpression: shouldMoveNextStatementToSwitchExpression);
// Only on simple assignments we attempt to remove variable declarators.
var isSimpleAssignment = nodeToGenerate == SyntaxKind.SimpleAssignmentExpression;
var generateDeclaration = isSimpleAssignment && rewriter.TryRemoveVariableDeclarators(switchStatement, semanticModel, editor);
// Generate the final statement to wrap the switch expression, e.g. a "return" or an assignment.
return(rewriter.GetFinalStatement(switchExpression,
switchStatement.SwitchKeyword.LeadingTrivia, nodeToGenerate, generateDeclaration));
}
