/// <inheritdoc />
public void Set(MoPath key, IMoValue value)
{
if (int.TryParse(key.Value, out int index))
{
this[index] = value;
}
}
/// <inheritdoc />
public virtual IMoValue Get(MoPath key, MoParams parameters)
{
if (key.HasChildren)
{
string main = key.Value;
if (!string.IsNullOrWhiteSpace(main))
{
IMoValue value = null;
if (!Map.TryGetValue(main, out value))
{
return(DoubleValue.Zero);
}
if (value is IMoStruct moStruct)
{
return(moStruct.Get(key.Next, parameters));
}
return(value);
}
}
if (Map.TryGetValue(key.Value, out var v))
{
return(v);
}
return(DoubleValue.Zero);
}
/// <inheritdoc />
public override IMoValue Evaluate(MoScope scope, MoLangEnvironment environment)
{
IMoValue array = Array.Evaluate(scope, environment);
if (array is VariableStruct vs)
{
MoScope subScope = new MoScope(scope.Runtime);
foreach (IMoValue value in vs.Map.Values)
{
subScope.IsContinue = false;
subScope.IsBreak = false;
Variable.Assign(
subScope, environment, value is VariableStruct vss ? vss.Map.FirstOrDefault().Value : value);
Body.Evaluate(subScope, environment);
if (subScope.ReturnValue != null)
{
return(subScope.ReturnValue);
}
else if (subScope.IsBreak)
{
break;
}
}
}
return(DoubleValue.Zero);
}
public override IMoValue Evaluate(MoScope scope, MoLangEnvironment environment)
{
IMoValue result = DoubleValue.Zero;
// MoScope scope = new MoScope(this);
foreach (IExpression expression in Parameters)
{
if (expression == null)
{
continue;
}
try
{
result = expression.Evaluate(scope, environment);
if (scope.ReturnValue != null)
{
result = scope.ReturnValue;
break;
}
}
catch (Exception ex)
{
throw new MoLangRuntimeException(
expression, "An error occured while evaluating the expression", ex);
}
}
return(result);
}
/// <inheritdoc />
public virtual void Set(MoPath key, IMoValue value)
{
if (!key.HasChildren)
{
Map[key.Value] = value;
return;
}
string main = key.Value;
if (!string.IsNullOrWhiteSpace(main))
{
if (!Map.TryGetValue(main, out var container))
{
if (!key.HasChildren)
{
throw new MoLangRuntimeException($"Variable was not a struct: {key}", null);
}
Map.TryAdd(main, container = CreateNew());
}
if (container is IMoStruct moStruct)
{
moStruct.Set(key.Next, value);
}
else
{
throw new MoLangRuntimeException($"Variable was not a struct: {key}", null);
}
}
}
/// <inheritdoc />
public override void Set(object instance, IMoValue value)
{
var propType = _propertyInfo.PropertyType;
if (propType == typeof(double))
{
_propertyInfo.SetValue(instance, value.AsDouble());
return;
}
else if (propType == typeof(float))
{
_propertyInfo.SetValue(instance, value.AsFloat());
return;
}
else if (propType == typeof(bool))
{
_propertyInfo.SetValue(instance, value.AsBool());
return;
}
else if (propType == typeof(string))
{
_propertyInfo.SetValue(instance, value.AsString());
return;
}
_propertyInfo.SetValue(instance, value);
InvokeChanged();
}
/// <inheritdoc />
public bool Equals(IMoValue b)
{
if (b is StringValue stringValue)
{
return(string.Equals(Value, stringValue.Value)); // stringValue.Value.
}
return(false);
}
/// <inheritdoc />
public override IMoValue Evaluate(MoScope scope, MoLangEnvironment environment)
{
IMoValue eval = Parameters[0].Evaluate(scope, environment);
scope.ReturnValue = eval;
return(eval);
}
/// <inheritdoc />
public bool Equals(IMoValue b)
{
if (_value == b.AsDouble())
{
return(true);
}
return(false);
}
/// <inheritdoc />
public override IMoValue Evaluate(MoScope scope, MoLangEnvironment environment)
{
IMoValue evalLeft = Left.Evaluate(scope, environment);
//IMoValue value = environment.GetValue(new MoPath(evalLeft.AsString()));
if (evalLeft == null || !evalLeft.AsBool())
{
return(Right.Evaluate(scope, environment));
}
else
{
return(evalLeft);
}
}
/// <inheritdoc />
public override IMoValue Evaluate(MoScope scope, MoLangEnvironment environment)
{
//List<IExpression> p = Args.ToList();
MoPath name = Name; /* Name is NameExpression expression ? expression.Name :
* new MoPath(Name.Evaluate(scope, environment).ToString());*/
IMoValue[] arguments = new IMoValue[Parameters.Length];
for (int i = 0; i < arguments.Length; i++)
{
arguments[i] = Parameters[i].Evaluate(scope, environment);
}
return(environment.GetValue(name, new MoParams(arguments)));
}
public void SetValue(MoPath name, IMoValue value)
{
if (!Structs.TryGetValue(name.Value, out var v))
{
throw new MoLangRuntimeException($"Invalid path: {name.Path}", null);
}
try
{
v.Set(name.Next, value);
}
catch (Exception ex)
{
throw new MoLangRuntimeException($"Cannot set value on struct: {name}", ex);
}
}
/// <summary>
/// Evaluates the expressions provided and returns the resulting value (if any) or <see cref="DoubleValue.Zero"/>
/// </summary>
/// <param name="expression">The expression to evaluate</param>
/// <param name="context">The context to use</param>
/// <returns>
/// The value returned by the expression (if any) or <see cref="DoubleValue.Zero"/>
/// </returns>
public IMoValue Execute(IExpression expression, IDictionary<string, IMoValue> context)
{
if (expression == null)
return DoubleValue.Zero;
if (Environment.Structs.TryGetValue("context", out IMoStruct cont) && cont is ContextStruct contextStruct
&& context != null)
{
contextStruct.Container = context;
}
IMoValue result = null;
MoScope scope = new MoScope(this);
result = expression.Evaluate(scope, Environment);
Environment.Structs["temp"].Clear();
return result ?? DoubleValue.Zero;
}
/// <summary>
/// Get the typed value of a parameter at specified <paramref name="index"/>
/// </summary>
/// <param name="index">The index of the </param>
/// <typeparam name="T">The expected type</typeparam>
/// <returns>
/// The parameter passed at <paramref name="index"/>
/// </returns>
/// <exception cref="MoLangRuntimeException"></exception>
public T Get <T>(int index)
{
IMoValue obj = _parameters[index];
if (obj == null)
{
throw new MoLangRuntimeException(
$"MoParams: Expected parameter type of {typeof(T).Name} got null", null);
}
if (obj?.GetType() == typeof(T))
{
return((T)obj);
}
else
{
throw new MoLangRuntimeException(
"MoParams: Expected parameter type of " + typeof(T).Name + ", " + obj.GetType().Name + " given.",
null);
}
}
/// <inheritdoc />
public void Set(MoPath key, IMoValue value)
{
if (!key.HasChildren)
{
if (_propertyCache.Properties.TryGetValue(key.Value, out var accessor))
{
if (!accessor.CanWrite)
{
throw new MoLangRuntimeException("Cannot write to ReadOnly property!", null);
}
accessor.Set(_instance, value);
return;
}
throw new MoLangRuntimeException($"Variable was not a struct: {key}", null);
}
string main = key.Value;
if (!string.IsNullOrWhiteSpace(main))
{
if (!_propertyCache.Properties.TryGetValue(main, out var accessor))
{
throw new MoLangRuntimeException($"Could not access property: {key}", null);
}
var container = accessor.Get(_instance);
if (container is IMoStruct moStruct)
{
moStruct.Set(key.Next, value);
}
else
{
throw new MoLangRuntimeException($"Variable was not a struct: {key}", null);
}
}
}
private bool ExecuteGet(MoPath property, string main, MoParams parameters, out IMoValue returnValue)
{
if (_propertyCache.Properties.TryGetValue(main, out var accessor))
{
if (!accessor.CanRead)
{
throw new MoLangRuntimeException($"Cannot read from property '{property.ToString()}'", null);
}
returnValue = accessor.Get(_instance);
return(true);
}
if (_propertyCache.Functions.TryGetValue(main, out var f))
{
returnValue = f.Invoke(_instance, parameters);
return(true);
}
returnValue = DoubleValue.Zero;
return(false);
}
/// <inheritdoc />
public override void Assign(MoScope scope, MoLangEnvironment environment, IMoValue value)
{
var index = (int)Index.Evaluate(scope, environment).AsDouble();
MoPath path;
if (Array is NameExpression nameExpression)
{
var p = nameExpression.Name;
path = p;
}
else
{
var eval = Array.Evaluate(scope, environment);
path = new MoPath($"{eval.AsString()}");
}
var array = environment.GetValue(path);
if (array is ArrayStruct asArray)
{
asArray[index] = value;
}
}
/// <inheritdoc />
public override void Set(MoPath key, IMoValue value)
{
throw new NotSupportedException("Read-only context");
}
/// <inheritdoc />
public override void Assign(MoScope scope, MoLangEnvironment environment, IMoValue value)
{
environment.SetValue(Name, value);
}
public BooleanExpression(bool value) : base()
{
_value = value ? DoubleValue.One : DoubleValue.Zero;
}
/// <inheritdoc />
public virtual void Assign(MoScope scope, MoLangEnvironment environment, IMoValue value)
{
throw new Exception("Cannot assign a value to " + this.GetType());
}
public NumberExpression(IMoValue value) : base()
{
_value = value;
}
/// <inheritdoc />
public NumberExpression(double value) : base()
{
_value = new DoubleValue(value);
}
/// <inheritdoc />
public void Set(MoPath key, IMoValue value)
{
throw new NotSupportedException("Cannot set a value in a query struct.");
}
/// <inheritdoc />
public override void Set(object instance, IMoValue value)
{
_fieldInfo.SetValue(instance, value);
InvokeChanged();
}
/// <inheritdoc />
public bool Equals(IMoValue b)
{
return(Equals((object)b));
}
public abstract void Set(object instance, IMoValue value);
private static void ProcessMethods(IReflect type,
IDictionary <string, Func <object, MoParams, IMoValue> > functions)
{
var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Instance);
foreach (var method in methods)
{
var functionAttribute = method.GetCustomAttribute <MoFunctionAttribute>();
if (functionAttribute == null)
{
continue;
}
foreach (var name in functionAttribute.Name)
{
if (functions.ContainsKey(name))
{
Debug.WriteLine($"Duplicate function \'{name}\' in {type.ToString()}");
continue;
}
IMoValue ExecuteMolangFunction(object instance, MoParams mo)
{
var methodParams = method.GetParameters();
IMoValue value = DoubleValue.Zero;
object[] parameters = new object[methodParams.Length];
//List<object> parameters = new List<object>();
if (methodParams.Length == 1 && methodParams[0].ParameterType == typeof(MoParams))
{
parameters[0] = mo;
//parameters.Add(mo);
}
else
{
for (var index = 0; index < methodParams.Length; index++)
{
var parameter = methodParams[index];
if (!mo.Contains(index))
{
if (!parameter.IsOptional)
{
throw new MissingMethodException($"Missing parameter: {parameter.Name}");
}
break;
}
var t = parameter.ParameterType;
if (t == typeof(MoParams))
{
parameters[index] = mo; //.Add(mo);
}
else if (t == typeof(int))
{
parameters[index] = mo.GetInt(index);
}
else if (t == typeof(double))
{
parameters[index] = mo.GetDouble(index);
}
else if (t == typeof(float))
{
parameters[index] = (float)mo.GetDouble(index);
}
else if (t == typeof(string))
{
parameters[index] = mo.GetString(index);
}
else if (typeof(IMoStruct).IsAssignableFrom(t))
{
parameters[index] = mo.GetStruct(index);
}
else if (typeof(MoLangEnvironment).IsAssignableFrom(t))
{
parameters[index] = mo.GetEnv(index);
}
else
{
throw new Exception("Unknown parameter type.");
}
//TODO: Continue.
}
}
var result = method.Invoke(instance, parameters);
if (result != null)
{
if (result is IMoValue moValue)
{
return(moValue);
}
return(MoValue.FromObject(result));
}
return(value);
}
functions.Add(name, ExecuteMolangFunction);
}
}
}