public MethodResult ExtractPrototypeAndMethod(string code)
{
Guard.AgainstNullArgument("code", code);
var @class = "class A { " + code + " } ";
var visitor = new MethodVisitor();
var parser = new CSharpParser();
var syntaxTree = parser.Parse(@class);
syntaxTree.AcceptVisitor(visitor);
syntaxTree.Freeze();
var result = visitor.GetMethodDeclarations().FirstOrDefault();
// find newlines in method signature to maintain linenumbers
var newLines = code.Substring(0, code.IndexOf("{", StringComparison.Ordinal) - 1)
.Where(x => x.Equals('\n'))
.Aggregate(string.Empty, (a, c) => a + c);
// use code methodblock to maintain linenumbers
var codeBlock = code.Substring(code.IndexOf("{", StringComparison.Ordinal), code.LastIndexOf("}", StringComparison.Ordinal) - code.IndexOf("{", StringComparison.Ordinal) + 1);
var method = result.MethodExpression.ToString();
var blockStart = method.IndexOf("{", StringComparison.Ordinal);
var blockEnd = method.LastIndexOf("}", StringComparison.Ordinal);
method = method.Remove(blockStart, blockEnd - blockStart + 1);
method = method.Insert(blockStart, codeBlock);
return new MethodResult
{
ProtoType = result.MethodPrototype.ToString().Trim() + newLines,
MethodExpression = newLines + method.Trim()
};
}
public bool IsMethod(string code)
{
Guard.AgainstNullArgument("code", code);
var @class = "class A { " + code + " } ";
var visitor = new MethodVisitor();
var parser = new CSharpParser();
var syntaxTree = parser.Parse(@class);
syntaxTree.AcceptVisitor(visitor);
syntaxTree.Freeze();
return visitor.GetMethodDeclarations().Any() && code.TrimEnd().EndsWith("}");
}