public string changeMethodNamesInClass(string sourceCode)
{
string obfuscatedSourceCode = sourceCode;
foreach (string methodName in methodNames)
{
string generatedName = RandomUtils.generateRandomString(RandomUtils.GenerateLittleInt());
obfuscatedSourceCode = Regex.Replace(obfuscatedSourceCode, @"(\W)(" + methodName + @")(\W)", "$1" + generatedName + "$3");
}
return(obfuscatedSourceCode);
}
public override SyntaxNode VisitMethodDeclaration(MethodDeclarationSyntax node)
{
if (!node.Identifier.ValueText.Equals("Main"))
{
methodNames.Add(node.Identifier.ValueText);
string source = node.ToFullString();
foreach (ParameterSyntax parameter in node.ParameterList.Parameters)
{
string generatedName = RandomUtils.generateRandomString(RandomUtils.GenerateLittleInt());
source = Regex.Replace(source, @"(\W)(" + parameter.Identifier.ValueText + @")(\W)", "$1" + generatedName + "$3");
}
foreach (StatementSyntax statement in node.Body.Statements)
{
if (statement.Kind().Equals(SyntaxKind.LocalDeclarationStatement))
{
foreach (VariableDeclaratorSyntax variable in ((LocalDeclarationStatementSyntax)statement).Declaration.Variables)
{
string generatedName = RandomUtils.generateRandomString(RandomUtils.GenerateLittleInt());
source = Regex.Replace(source, @"(\W)(" + variable.Identifier.ValueText + @")(\W)", "$1" + generatedName + "$3");
}
}
}
var method = (MethodDeclarationSyntax)SyntaxFactory.ParseMemberDeclaration(source);
return(base.VisitMethodDeclaration(method));
}
else
{
string source = node.ToFullString();
foreach (StatementSyntax statement in node.Body.Statements)
{
if (statement.Kind().Equals(SyntaxKind.LocalDeclarationStatement))
{
foreach (VariableDeclaratorSyntax variable in ((LocalDeclarationStatementSyntax)statement).Declaration.Variables)
{
string generatedName = RandomUtils.generateRandomString(RandomUtils.GenerateLittleInt());
source = Regex.Replace(source, @"(\W)(" + variable.Identifier.ValueText + @")(\W)", "$1" + generatedName + "$3");
}
}
}
var method = (MethodDeclarationSyntax)SyntaxFactory.ParseMemberDeclaration(source);
return(base.VisitMethodDeclaration(method));
}
}
