public KirinInternalFunction(string name, Delegate func) : base(-1, -1)
{
this.Name = name;
this.Arguments = null;
this.Returns = null;
var funcArgs = func.Method.GetParameters();
if (funcArgs.Length > 0)
{
this.Arguments = new List <KirinVariableType>();
foreach (var arg in funcArgs)
{
if (arg.ParameterType == typeof(IDictionary))
{
this.Arguments.Add(KirinVariableType.EXPERIMENTAL_DYNAMIC_ARRAY);
}
else
{
this.Arguments.Add(FiMHelper.AsVariableType(arg.ParameterType, true));
}
}
}
if (func.Method.ReturnType.Name != "Void")
{
this.Returns = FiMHelper.AsVariableType(func.Method.ReturnType, true);
}
this.Function = func;
}
public override object Execute(FiMClass reportClass, params object[] args)
{
int localVariables = 0;
reportClass.Variables.PushFunctionStack();
if (this.Arguments?.Count() > 0)
{
for (int i = 0; i < this.Arguments.Count(); i++)
{
if (reportClass.Variables.Has(this.Arguments[i].Name))
{
throw new FiMException("Variable name " + this.Arguments[i].Name + " already exists");
}
if (i < args.Length)
{
if (FiMHelper.AsVariableType(args[i]) != this.Arguments[i].Type)
{
throw new FiMException("Expected " + this.Arguments[i].Type.AsNamedString()
+ ", got " + FiMHelper.AsVariableType(args[i]).AsNamedString());
}
reportClass.Variables.Push(new FiMVariable(this.Arguments[i].Name, new KirinValue(args[i])));
}
else
{
reportClass.Variables.Push(
new FiMVariable(
this.Arguments[i].Name,
new KirinValue(FiMHelper.GetDefaultValue(this.Arguments[i].Type))
)
);
}
localVariables++;
}
}
var result = Statement.Execute(reportClass);
reportClass.Variables.PopFunctionStack();
if (result != null && this.Returns == null)
{
throw new FiMException("Non-value returning function returned value");
}
if (result != null && this.Returns != null && this.Returns != KirinVariableType.UNKNOWN)
{
if (FiMHelper.AsVariableType(result) != this.Returns)
{
throw new FiMException("Expected " + ((KirinVariableType)this.Returns).AsNamedString()
+ ", got " + FiMHelper.AsVariableType(result).AsNamedString());
}
return(result);
}
return(null);
}
public override object Execute(FiMClass reportClass, params object[] args)
{
object[] sanitizedArgs = null;
if (this.Arguments?.Count > 0)
{
sanitizedArgs = new object[this.Arguments.Count];
for (int i = 0; i < this.Arguments.Count; i++)
{
if (i < args.Length)
{
if (this.Arguments[i] == KirinVariableType.EXPERIMENTAL_DYNAMIC_ARRAY)
{
if (!FiMHelper.IsTypeArray(args[i]))
{
throw new FiMException("Expected an array, got " + FiMHelper.AsVariableType(args[i]).AsNamedString());
}
}
else if (FiMHelper.AsVariableType(args[i]) != this.Arguments[i])
{
throw new FiMException("Expected " + this.Arguments[i].AsNamedString() + ", got " + FiMHelper.AsVariableType(args[i]).AsNamedString());
}
sanitizedArgs[i] = args[i];
}
else
{
sanitizedArgs[i] = FiMHelper.GetDefaultValue(this.Arguments[i]);
}
}
}
object result;
try
{
result = this.Function.DynamicInvoke(sanitizedArgs);
}
catch (Exception ex)
{
throw new Exception("An error has occured while running a custom method\n\n" + ex.ToString());
}
if (result != null && this.Returns == null)
{
throw new FiMException("Non-value returning function returned value");
}
if (result != null && this.Returns != null && this.Returns != KirinVariableType.UNKNOWN)
{
if (FiMHelper.AsVariableType(result) != this.Returns)
{
throw new FiMException("Expected " + ((KirinVariableType)this.Returns).AsNamedString()
+ ", got " + FiMHelper.AsVariableType(result).AsNamedString());
}
return(result);
}
return(null);
}
public KirinValue Load()
{
if (this.Raw == null)
{
if (FiMHelper.IsTypeArray(this.Type))
{
this._Value = FiMHelper.GetDefaultValue(this.Type);
}
else
{
if (this.ForcedType == null)
{
throw new FiMException("Value is null");
}
this._Value = FiMHelper.GetDefaultValue((KirinVariableType)this.ForcedType);
}
}
else
{
string raw = this.Raw;
var eType = FiMHelper.DeclarationType.Determine(" " + raw, out string eKeyword, false);
if (eType != KirinVariableType.UNKNOWN)
{
raw = raw.Substring(eKeyword.Length);
this.ForceType(eType);
}
if (this.ForcedType != null)
{
eType = (KirinVariableType)this.ForcedType;
}
object value;
if (KirinLiteral.TryParse(raw, out object lResult))
{
value = lResult;
}
else
{
value = KirinValue.Evaluate(Class, raw, out var returnedType, ForcedType);
this.ForceType(returnedType);
}
if (eType != KirinVariableType.UNKNOWN && FiMHelper.AsVariableType(value) != eType)
{
throw new FiMException("Expected " + eType.AsNamedString() + ", got " + FiMHelper.AsVariableType(value));
}
this._Value = value;
}
return(this);
}
public override object Eval(FiMClass reportClass)
{
var lv = Left.Eval(reportClass);
var rv = Right.Eval(reportClass);
var lvt = FiMHelper.AsVariableType(lv);
var rvt = FiMHelper.AsVariableType(rv);
if (FiMHelper.IsTypeArray(lvt) || FiMHelper.IsTypeArray(rvt))
{
throw new FiMException("Cannot execute conditional with an array");
}
if (this.Condition == "==")
{
return(IsEqual(lv, rv));
}
if (this.Condition == "!=")
{
return(!IsEqual(lv, rv));
}
if (this.Condition == "&&")
{
return(Convert.ToBoolean(lv) && Convert.ToBoolean(rv));
}
if (this.Condition == "||")
{
return(Convert.ToBoolean(lv) || Convert.ToBoolean(rv));
}
if (lvt != KirinVariableType.NUMBER ||
rvt != KirinVariableType.NUMBER)
{
throw new FiMException("Expected number value in conditional");
}
double lvd = Convert.ToDouble(lv);
double rvd = Convert.ToDouble(rv);
switch (this.Condition)
{
case ">=": return(lvd >= rvd);
case "<=": return(lvd <= rvd);
case ">": return(lvd > rvd);
case "<": return(lvd < rvd);
default: throw new FiMException("Invalid expression " + this.Condition);
}
}
public override object Execute(FiMClass reportClass)
{
var variable = reportClass.GetVariable(this.RawVariable);
if (variable == null)
{
throw new Exception("Variable " + this.RawVariable + " does not exist");
}
if (FiMHelper.IsTypeArray(variable.Type))
{
throw new Exception("Cannot input into an array");
}
string prompt = "";
if (!string.IsNullOrWhiteSpace(this.PromptString))
{
prompt = this.PromptString;
}
string input = reportClass.Report.Input(prompt, this.RawVariable);
if (variable.Type == KirinVariableType.STRING)
{
input = $"\"{input}\"";
}
else if (variable.Type == KirinVariableType.CHAR)
{
input = $"'{input}'";
}
if (!KirinLiteral.TryParse(input, out object value))
{
throw new Exception("Invalid input " + input);
}
if (FiMHelper.AsVariableType(value) != variable.Type)
{
throw new Exception("Input type doesnt match variable type");
}
variable.Value = value;
return(null);
}
public static bool IsEqual(object _x, object _y)
{
dynamic x;
dynamic y;
var lvt = FiMHelper.AsVariableType(_x);
var rvt = FiMHelper.AsVariableType(_y);
if (lvt != rvt)
{
return(false);
}
switch (lvt)
{
case KirinVariableType.BOOL: x = Convert.ToBoolean(_x); break;
case KirinVariableType.NUMBER: x = Convert.ToDouble(_x); break;
case KirinVariableType.STRING: x = Convert.ToString(_x); break;
case KirinVariableType.CHAR: x = Convert.ToChar(_x); break;
default: x = null; break;
}
switch (rvt)
{
case KirinVariableType.BOOL: y = Convert.ToBoolean(_y); break;
case KirinVariableType.NUMBER: y = Convert.ToDouble(_y); break;
case KirinVariableType.STRING: y = Convert.ToString(_y); break;
case KirinVariableType.CHAR: y = Convert.ToChar(_y); break;
default: y = null; break;
}
return(x == y);
}
/// <summary>
/// Evaluates raw FiM++ string into a value
/// </summary>
public static object Evaluate(
FiMClass reportClass,
string evaluatable,
out KirinVariableType returnedType,
KirinVariableType?expectedType = null
)
{
returnedType = KirinVariableType.UNKNOWN;
// Nothing
if (evaluatable == "nothing" && expectedType != null)
{
returnedType = (KirinVariableType)expectedType;
return(FiMHelper.GetDefaultValue(returnedType));
}
// Calling an existing variable
if (reportClass.GetVariable(evaluatable) != null)
{
var variable = reportClass.GetVariable(evaluatable);
returnedType = variable.Type;
return(variable.Value);
}
// Calling an existing method
if (reportClass.GetParagraphLazy(evaluatable) != null)
{
KirinValue[] args = null;
string pName = evaluatable;
if (pName.Contains(KirinFunctionCall.FunctionParam))
{
int pIndex = pName.IndexOf(KirinFunctionCall.FunctionParam);
pName = pName.Substring(0, pIndex);
args = KirinFunctionCall.ParseCallArguments(
evaluatable.Substring(pName.Length + KirinFunctionCall.FunctionParam.Length), reportClass
).ToArray();
}
var paragraph = reportClass.GetParagraph(pName);
if (paragraph == null)
{
throw new FiMException("Paragraph " + pName + " not found");
}
if (paragraph.ReturnType == KirinVariableType.UNKNOWN)
{
throw new FiMException("Paragraph returns nothing");
}
returnedType = paragraph.ReturnType;
return(paragraph.Execute(args));
}
// Array
if (expectedType != null && FiMHelper.IsTypeArray((KirinVariableType)expectedType))
{
System.Collections.IDictionary dict = null;
var args = KirinFunctionCall.ParseCallArguments(evaluatable, reportClass);
if (!FiMHelper.IsTypeOfArray(args[0].Type, (KirinArrayType)expectedType))
{
throw new FiMException("Invalid list value type");
}
if (!args.All(a => a.Type == args[0].Type))
{
throw new FiMException("Unidentical list value type");
}
int i = 1;
if (expectedType == KirinVariableType.STRING_ARRAY)
{
dict = new Dictionary <int, string>();
args.ForEach(kv => dict.Add(i++, Convert.ToString(kv.Value)));
}
else if (expectedType == KirinVariableType.NUMBER_ARRAY)
{
dict = new Dictionary <int, double>();
args.ForEach(kv => dict.Add(i++, Convert.ToDouble(kv.Value)));
}
else if (expectedType == KirinVariableType.BOOL_ARRAY)
{
dict = new Dictionary <int, bool>();
args.ForEach(kv => dict.Add(i++, Convert.ToBoolean(kv.Value)));
}
returnedType = (KirinVariableType)expectedType;
return(dict);
}
// Array index
if (FiMHelper.ArrayIndex.IsArrayIndex(evaluatable, reportClass))
{
var match = FiMHelper.ArrayIndex.GetArrayIndex(evaluatable, reportClass);
var varIndex = new KirinValue(match.RawIndex, reportClass);
if (varIndex.Type != KirinVariableType.NUMBER)
{
throw new FiMException("Invalid index value");
}
int index = Convert.ToInt32(varIndex.Value);
string strVar = match.RawVariable;
if (!reportClass.Variables.Has(strVar))
{
throw new FiMException("Variable " + strVar + " does not exist");
}
var variable = reportClass.Variables.Get(strVar);
if (!FiMHelper.IsTypeArray(variable.Type) && variable.Type != KirinVariableType.STRING)
{
throw new FiMException("Cannot index a non-array variable");
}
if (variable.Type == KirinVariableType.STRING)
{
returnedType = KirinVariableType.CHAR;
return(Convert.ToString(variable.Value)[index - 1]);
}
var dict = variable.Value as System.Collections.IDictionary;
if (variable.Type == KirinVariableType.STRING_ARRAY)
{
returnedType = KirinVariableType.STRING;
return(Convert.ToString(dict[index]));
}
if (variable.Type == KirinVariableType.BOOL_ARRAY)
{
returnedType = KirinVariableType.BOOL;
return(Convert.ToBoolean(dict[index]));
}
if (variable.Type == KirinVariableType.NUMBER_ARRAY)
{
returnedType = KirinVariableType.NUMBER;
return(Convert.ToDouble(dict[index]));
}
}
// Arithmetic
if (KirinArithmetic.IsArithmetic(evaluatable, out var arithmeticResult))
{
var arithmetic = new KirinArithmetic(arithmeticResult);
var value = arithmetic.GetValue(reportClass);
returnedType = FiMHelper.AsVariableType(value.GetType());
return(value);
}
// Conditional
if (KirinConditional.IsConditional(evaluatable, out var conditionalResult))
{
var conditional = new KirinConditional(conditionalResult);
returnedType = KirinVariableType.BOOL;
return(conditional.GetValue(reportClass));
}
throw new FiMException("Cannot evaluate " + evaluatable);
}