//this is the constructor used when function is an override
public AnonymousFunction(string value, List <IBaseFunction> predefined) : this()
{
Override = true;
Name = value.Split('.')[1].Split('(')[0];
var b = predefined.FirstOrDefault(f => f.Name == Name);
if (b == null)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.CompilerException, $"Unexpected error. Function failed to override: {Name}.", value));
}
if (b.Sealed == true)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.CompilerException,
$"Invalid Operation. Cannot override Sealed function: {Name}.", value));
}
Base = b;
//get top level anonymous functions before everything else
var anonRegex = new Regex(Compiler.ScopeRegex(@"=>"), RegexOptions.IgnorePatternWhitespace);
var anonRegexMatches = anonRegex.Matches(value);
foreach (var a in anonRegexMatches)
{
var func = new AnonymousFunction(a.ToString(), true, _base);
FunctionStack.Add(func);
value = value.Replace(a.ToString(), $"\"{func.Name}\"");
}
//
Value = value;
ExpectedArgs = value.Split('(')[1].Split(')')[0].Split(',');
ParseDirectives(value);
}
//standard constructor
public AnonymousFunction(string value) : this()
{
Name = value.Split('.')[1].Split('(')[0];
var b = Compiler.PredefinedList.FirstOrDefault(f => f.Name == Name);
if (b != null)
{
if (b.Sealed == true)
{
Compiler.ExceptionListener.Throw(new ExceptionHandler(ExceptionType.CompilerException,
$"Invalid Operation. Cannot create a new instance of a Sealed function: {Name}.", value));
}
}
//get top level anonymous functions before everything else
var anonRegex = new Regex(Compiler.ScopeRegex(@"=>"), RegexOptions.IgnorePatternWhitespace);
var anonRegexMatches = anonRegex.Matches(value);
foreach (var a in anonRegexMatches)
{
var func = new AnonymousFunction(a.ToString(), true, _base);
func.Base = Base;
FunctionStack.Add(func);
value = value.Replace(a.ToString(), $"\"{func.Name}\"");
}
//
Value = value;
ExpectedArgs = value.Split('(')[1].Split(')')[0].Split(',');
ParseDirectives(value);
}
private List <IBaseFunction> GetScopes(string file, List <IBaseFunction> predefined)
{
var temp = new List <IBaseFunction>();
//remove all comments
var commRegex = new Regex(@"#([^\n]+)$", RegexOptions.Multiline);
file = commRegex.Replace(file, "");
//add functions first
var scopeRegex = new Regex(ScopeRegex(@"\bfunction\.\b"), RegexOptions.IgnorePatternWhitespace);
var scopes = scopeRegex.Matches(file);
foreach (var s in scopes)
{
temp.Add(new AnonymousFunction(s.ToString()));
}
//add inherits second
var _inheritStack = new List <IBaseFunction>();
var inheritRegex = new Regex(ScopeRegex(@"\boverride\.\b"), RegexOptions.IgnorePatternWhitespace);
var inherits = inheritRegex.Matches(file);
foreach (var i in inherits)
{
var obj = new AnonymousFunction(i.ToString(), predefined);
_inheritStack.Add(obj);
}
//add async
var _asyncStack = new List <IBaseFunction>();
var asyncRegex = new Regex(ScopeRegex(@"\basync\.\b"), RegexOptions.IgnorePatternWhitespace);
var asyncs = asyncRegex.Matches(file);
foreach (var i in asyncs)
{
var obj = new AnonymousFunction(i.ToString());
obj.Async = true;
_asyncStack.Add(obj);
}
//add imports
var imports = new List <IBaseFunction>();
var splitEndImport = file.Split(new string[] { "@end" }, StringSplitOptions.None);
if (splitEndImport.Length > 1)
{
var splitImport = splitEndImport[0].Split(new string[] { "@import " }, StringSplitOptions.None);
imports.AddRange(GetImports(splitImport, predefined));
}
temp.AddRange(_inheritStack);
temp.AddRange(_asyncStack);
temp.AddRange(imports);
return(temp);
}
//this constructor is when function is anonomysly named
public AnonymousFunction(string value, bool anon, IBaseFunction callerBase) : this()
{
Base = callerBase;
IsAnonymous = true;
//get top level anonymous functions before everything else
value = value.Substring(1);
var anonRegex = new Regex(Compiler.ScopeRegex(@"=>"), RegexOptions.IgnorePatternWhitespace);
var anonRegexMatches = anonRegex.Matches(value);
foreach (var a in anonRegexMatches)
{
var func = new AnonymousFunction(a.ToString(), true, _base);
FunctionStack.Add(func);
value = value.Replace(a.ToString(), $"\"{func.Name}\"");
}
Value = value;
Name = "AnonymousFunction" + Compiler.AnonymousFunctionIndex;
ExpectedArgs = value.Split('(')[1].Split(')')[0].Split(',');
ParseDirectives(value);
//Name = value.Split('.')[1].Split('(')[0];
}
//the construction for custom extensions
public AnonymousFunction(string value, CustomExtension parent) : this()
{
Name = value.Split('.')[1].Split('(')[0];
//get top level anonymous functions before everything else
var anonRegex = new Regex(Compiler.ScopeRegex(@"=>"), RegexOptions.IgnorePatternWhitespace);
var anonRegexMatches = anonRegex.Matches(value);
foreach (var a in anonRegexMatches)
{
var func = new AnonymousFunction(a.ToString(), true, _base);
func.Base = Base;
FunctionStack.Add(func);
value = value.Replace(a.ToString(), $"\"{func.Name}\"");
}
//
Value = value;
ExpectedArgs = value.Split('(')[1].Split(')')[0].Split(',');
var type = ExpectedArgs.ElementAtOrDefault(0);
if (type != null && type == "this variable")
{
parent.SetProperties(Name, new string[] { }, false, false, true, new string[] { });
}
else if (type != null && type == "this function")
{
parent.SetProperties(Name, new string[] { }, false, false, false, new string[] { });
}
else
{
Compiler.ExceptionListener.Throw("[287]Custom extension must have input parameter of `this variable` or `this function`");
}
//replace this from the parameter, so it can be called by just `function` or `variable` at runtime
//the `this` is only there for definition, to direct the extension parser to look for this extension
//in the variable lot or not.
ExpectedArgs[0] = ExpectedArgs[0].Replace("this ", "");
ParseDirectives(value);
}
private List <IBaseFunction> ParseScopes(string file, List <IBaseFunction> predefined)
{
var temp = new List <IBaseFunction>();
//remove all comments
var commRegex = new Regex(@"#([^\n]+)$", RegexOptions.Multiline);
file = commRegex.Replace(file, "");
//add functions first
var _functionStack = new List <IBaseFunction>();
var scopeRegex = new Regex(ScopeRegex(@"\bfunction\.\b"), RegexOptions.IgnorePatternWhitespace);
var scopes = scopeRegex.Matches(file);
foreach (var s in scopes)
{
_functionStack.Add(new AnonymousFunction(s.ToString()));
}
//add inherits second
var _inheritStack = new List <IBaseFunction>();
var inheritRegex = new Regex(ScopeRegex(@"\boverride\.\b"), RegexOptions.IgnorePatternWhitespace);
var inherits = inheritRegex.Matches(file);
var tempfunctionstack = new List <IBaseFunction>();
tempfunctionstack.AddRange(_functionStack);
tempfunctionstack.AddRange(predefined);
for (var i = inherits.Count - 1; i >= 0; i--)
{
var inherit = inherits[i];
var obj = new AnonymousFunction(inherit.ToString(), tempfunctionstack);
_inheritStack.Add(obj);
tempfunctionstack.Insert(0, obj);
}
//add custom extensions
var _extStack = new List <EDefinition>();
var extRegex = new Regex(ScopeRegex(@"\bextension\.\b"), RegexOptions.IgnorePatternWhitespace);
var exts = extRegex.Matches(file);
for (var i = exts.Count - 1; i >= 0; i--)
{
var ext = exts[i];
var cext = new CustomExtension();
cext.FunctionReference = new AnonymousFunction(ext.ToString(), cext);
_extStack.Add(cext);
}
ExtensionStack.AddRange(_extStack);
//add async
var _asyncStack = new List <IBaseFunction>();
var asyncRegex = new Regex(ScopeRegex(@"\basync\.\b"), RegexOptions.IgnorePatternWhitespace);
var asyncs = asyncRegex.Matches(file);
foreach (var i in asyncs)
{
var obj = new AnonymousFunction(i.ToString());
obj.Async = true;
_asyncStack.Add(obj);
}
temp.AddRange(_inheritStack.Reverse <IBaseFunction>());
temp.AddRange(_functionStack);
temp.AddRange(_asyncStack);
return(temp);
}