public FunctionInstance Construct(params string[] argumentsAndBody)
{
// Passing no arguments results in an empty function.
if (argumentsAndBody.Length == 0)
{
return(new UserDefinedFunction(this.InstancePrototype, "anonymous", new string[0], string.Empty));
}
// Split any comma-delimited names.
var argumentNames = new List <string>();
for (int i = 0; i < argumentsAndBody.Length - 1; i++)
{
var splitNames = argumentsAndBody[i].Split(',');
if (splitNames.Length > 1 || StringInstance.Trim(splitNames[0]) != string.Empty)
{
for (int j = 0; j < splitNames.Length; j++)
{
// Trim any whitespace from the start and end of the argument name.
string argumentName = StringInstance.Trim(splitNames[j]);
if (argumentName == string.Empty)
{
throw new JavaScriptException(this.Engine, "SyntaxError", "Unexpected ',' in argument");
}
// Check the name is valid and resolve any escape sequences.
argumentName = Compiler.Lexer.ResolveIdentifier(this.Engine, argumentName);
if (argumentName == null)
{
throw new JavaScriptException(this.Engine, "SyntaxError", "Expected identifier");
}
splitNames[j] = argumentName;
}
}
argumentNames.AddRange(splitNames);
}
// Create a new function.
return(new UserDefinedFunction(this.InstancePrototype, "anonymous", argumentNames, argumentsAndBody[argumentsAndBody.Length - 1]));
}
