private static BlockSyntax AddLockStatement(
this BlockSyntax blockSyntax,
string lockObjectName,
string fieldName,
ExpressionSyntax fieldIdentifierName,
ExpressionSyntax fieldAssignmentExpression)
{
var assignmentStatement = RoslynUtils.AssignmentExpression(fieldName, fieldAssignmentExpression);
var fieldNullStatement = RoslynUtils.CheckNullStatement(fieldName,
assignmentStatement.ToStatement());
var lockStat = RoslynUtils.LockStatement(
SyntaxFactory.IdentifierName(lockObjectName),
SyntaxFactory.Block(fieldNullStatement, SyntaxFactory.ReturnStatement(fieldIdentifierName))
);
return(blockSyntax.AddStatements(lockStat));
}