internal HybInstance RunWrappedFunc(HybInstance _this, Func <HybInstance[], HybInstance> func, HybInstance[] args)
{
BindThis(_this);
var ret = func.Invoke(args);
if (Halt == HaltType.Return)
{
Halt = HaltType.None;
}
return(ret);
}
public static HybInstance[] Wrap(this object[] _this)
{
var objs = new HybInstance[_this.Length];
for (int i = 0; i < _this.Length; i++)
{
objs[i] = HybInstance.Object(_this[i]);
}
return(objs);
}
/// <summary>
/// Runs conditional access expression. (CS6)
/// [Syntax] EXPR?.WHEN_NOT_NULL
/// </summary>
private HybInstance RunConditionalAccess(ConditionalAccessExpressionSyntax node)
{
var left = RunExpression(node.Expression);
Ctx._bound = left;
if (left.IsNull() == false)
{
return(RunExpression(node.WhenNotNull));
}
return(HybInstance.Null());
}
/// <summary>
/// Invokes given method without any exceptions.
/// This method actually made for UniScript/SendMessage
/// </summary>
public HybInstance InvokeSafe(string name, params object[] args)
{
try
{
return(Invoke(name, args));
}
catch (Exception e)
{
Console.WriteLine(e);
}
return(HybInstance.Null());
}
private HybInstance RunIs(BinaryExpressionSyntax node)
{
var left = RunExpression(node.Left);
var type = Resolver.GetType($"{node.Right}");
if (type == null)
{
throw new SemanticViolationException($"Unrecognized type: {node.Right}");
}
return(left.Is(type) ? HybInstance.Bool(true) : HybInstance.Bool(false));
}
public HybInstance Cast <T>()
{
if (IsCompiledType)
{
return(HybInstance.Object((T)Convert.ChangeType(Obj, typeof(T))));
}
if (Is <T>())
{
return(Parent.Cast <T>());
}
throw new InvalidCastException($"Cannot be casted to {typeof(T)}");
}
public HybInstance GetDefault()
{
if (IsCompiledType)
{
if (CompiledType.IsValueType)
{
return(HybInstance.Object(Activator.CreateInstance(CompiledType)));
}
return(HybInstance.Null());
}
return(HybInstance.Null());
}
public static HybInstance PostfixUnary(HybInstance a, string op)
{
if (op == "++")
{
return(PostfixInc(a));
}
if (op == "--")
{
return(PostfixDec(a));
}
throw new ArgumentException($"Unrecognized operator: '{op}'.");
}
private bool IsDictionaryAddible(HybInstance obj, InitializerExpressionSyntax init)
{
if (init.Expressions.Count > 0 &&
(init.Expressions[0] is AssignmentExpressionSyntax ||
init.Expressions[0] is InitializerExpressionSyntax))
{
if (obj.GetSetIndexerMethod() != null)
{
return(true);
}
}
return(false);
}
private HybInstance RunObjectCreation(ObjectCreationExpressionSyntax node)
{
HybType type = null;
var args = new HybInstance[node.ArgumentList.Arguments.Count];
var count = 0;
foreach (var arg in node.ArgumentList.Arguments)
{
args[count++] = RunExpression(arg.Expression);
}
if (node.Type is GenericNameSyntax gn)
{
type = Resolver.GetGenericType(
$"{gn.Identifier}",
gn.TypeArgumentList.Arguments.Count);
var genericArgs = new HybType[gn.TypeArgumentList.Arguments.Count];
count = 0;
foreach (var arg in gn.TypeArgumentList.Arguments)
{
genericArgs[count++] = Resolver.GetType($"{arg}");
}
type = type.MakeGenericType(genericArgs);
}
else
{
type = Resolver.GetType($"{node.Type}");
}
if (type.IsCompiledType)
{
if (type.CompiledType == typeof(Action))
{
return(args[0]);
}
if (type.CompiledType == typeof(Func <int>))
{
return(args[0]);
}
}
var inst = type.CreateInstance(this, args);
if (node.Initializer != null)
{
ProcessInitializer(inst, node.Initializer);
}
return(inst);
}
private bool SetValueUpwards(string key, HybInstance value)
{
if (Values.ContainsKey(key))
{
Values[key] = value;
return(true);
}
if (Parent == null)
{
return(false);
}
return(Parent.SetValueUpwards(key, value));
}
public static HybInstance And(HybInstance a, HybInstance b)
{
if (a.IsCompiledType && b.IsCompiledType)
{
if (a.Is <bool>() && b.Is <bool>())
{
return(a.As <bool>() && b.As <bool>() ?
HybInstanceCache.True :
HybInstanceCache.False);
}
}
throw new NotImplementedException();
}
private void ActionBody(SeparatedSyntaxList <ParameterSyntax> ps, BlockSyntax body, params object[] args)
{
var vf = new VarFrame(Vars);
for (int i = 0; i < ps.Count; i++)
{
vf.SetValue($"{ps[i].Identifier}", HybInstance.Object(args[i]));
}
RunBlock(body as BlockSyntax, vf);
if (Halt == HaltType.Return)
{
Halt = HaltType.None;
}
}
/// <summary>
/// Process trailing object's initializer.
///
/// new Object() {
/// foo = "bar",
/// zoo = 5,
/// };
/// </summary>
private void ProcessInitializer(HybInstance inst, InitializerExpressionSyntax init)
{
if (IsDictionaryAddible(inst, init))
{
ProcessDictionaryInitializer(inst, init);
}
else if (IsArrayAddible(inst))
{
ProcessArrayInitializer(inst, init);
}
else
{
ProcessObjectInitializer(inst, init);
}
}
private HybInstance CreateInstanceInterpretType(Runner runner, HybInstance[] args,
object parentObject = null)
{
var inst = new HybInstance(runner, this, InterpretKlass, parentObject);
var ctors = GetMethods("$_ctor");
if (ctors.Length > 0)
{
var ctor = OverloadingResolver
.FindMethodWithArguments(runner.Resolver, ctors, new HybType[] { }, ref args);
ctor.Target.Invoke(inst, args);
}
return(inst);
}
public override HybInstance GetValue(HybInstance _this)
{
if (IsStatic)
{
return(DeclaringClass.Runner.Globals
.GetStaticField(DeclaringClass, Id));
}
// it's fast enough to do like this
if (FieldPtr == -1)
{
FieldPtr = _this.Fields.GetPtr(Id);
}
return(_this.Fields.GetByPtr(FieldPtr));
}
public HybInstance Cast(HybType type)
{
if (IsCompiledType)
{
if (type.IsCompiledType)
{
var casted = Convert.ChangeType(Obj, type.CompiledType);
return(HybInstance.Object(casted));
}
throw new InvalidCastException(
$"{Obj} cannot be casted to {type.InterpretKlass.Id}");
}
throw new NotImplementedException();
}
public HybInstance Eval(string src)
{
var root = ParseAndValidate(src, isScript: true);
HybInstance ret = null;
foreach (var child in root.ChildNodes())
{
if (child is GlobalStatementSyntax gstmt)
{
ret = Runner.RunScriptStatement(gstmt.Statement);
}
}
return(ret);
//throw new ArgumentException("src is not a expression");
}
public override void SetValue(HybInstance _this, HybInstance value)
{
if (IsStatic)
{
DeclaringClass.Runner.Globals
.SetStaticField(DeclaringClass, Id, value);
return;
}
// it's fast enough to do like this
if (FieldPtr == -1)
{
FieldPtr = _this.Fields.GetPtr(Id);
}
_this.Fields.SetByPtr(FieldPtr, value);
}
public bool TryGetValue(string key, out HybInstance value)
{
if (Values.ContainsKey(key))
{
value = Values[key];
return(true);
}
if (Parent == null)
{
value = null;
return(false);
}
return(Parent.TryGetValue(key, out value));
}
private void RunAssign(ExpressionSyntax leftNode, HybInstance right)
{
if (leftNode is IdentifierNameSyntax id)
{
var key = id.Identifier.ValueText;
UpdateVariable(key, right);
}
else if (leftNode is MemberAccessExpressionSyntax ma)
{
if (ma.Expression is IdentifierNameSyntax idNode)
{
var key = $"{idNode.Identifier}";
HybType leftType;
if (Resolver.TryGetType(key, out leftType))
{
leftType.SetStaticPropertyOrField($"{ma.Name.Identifier}", right);
return;
}
}
var left = RunExpression(ma.Expression);
var accessLevel = AccessLevel.Outside;
if (ma.Expression is ThisExpressionSyntax)
{
accessLevel = AccessLevel.This;
}
left.SetPropertyOrField($"{ma.Name}", right, accessLevel);
}
else if (leftNode is ElementAccessExpressionSyntax ea)
{
var callee = RunExpression(ea.Expression);
var args = new HybInstance[ea.ArgumentList.Arguments.Count];
var count = 0;
foreach (var arg in ea.ArgumentList.Arguments)
{
args[count++] = RunExpression(arg.Expression);
}
if (callee.SetIndexer(args, right) == false)
{
throw new NoSuchMemberException("[]");
}
}
}
private HybInstance ResolveLiteral(LiteralExpressionSyntax node)
{
var cache = OptCache.GetOrCreate(node, () => {
var optNode = new OptLiteralNode();
if (node.Token.Value == null)
{
optNode.value = HybInstance.Null();
}
else if (node.Token.Value is char c)
{
optNode.value = HybInstance.Char(c);
}
else if (node.Token.Value is string str)
{
optNode.value = HybInstance.String(str);
}
else if (node.Token.Value is bool b)
{
optNode.value = HybInstance.Bool(b);
}
else if (node.Token.Value is int i)
{
if (int.TryParse(node.Token.Text, out _) == false)
{
throw new SemanticViolationException($"Integer literal out of range");
}
optNode.value = HybInstance.Int(i);
}
else if (node.Token.Value is float f)
{
optNode.value = HybInstance.Float(f);
}
else if (node.Token.Value is double d)
{
optNode.value = HybInstance.Double(d);
}
else
{
throw new InvalidOperationException();
}
return(optNode);
});
return(cache.value);
}
private HybInstance ResolveId(IdentifierNameSyntax node)
{
if (string.IsNullOrEmpty(node.Identifier.Text))
{
throw new SemanticViolationException($"Invalid syntax: {node.Parent}");
}
var id = $"{node.Identifier}";
HybInstance v = null;
if (Vars.TryGetValue(id, out v))
{
return(v);
}
if (Ctx._this != null)
{
if (Ctx._this.GetPropertyOrField(id, out v, AccessLevel.This))
{
return(v);
}
}
if (Ctx.Method.DeclaringType.GetStaticPropertyOrField(id, out v))
{
return(v);
}
/*
* Class klass = ctx.method.declaringClass;
* SSFieldInfo field;
* if (klass.TryGetField(id, out field))
* {
* if (field.isStatic)
* return globals.GetStaticField(klass, id);
* }
* SSPropertyInfo property;
* if (klass.TryGetProperty(id, out property))
* {
* if (property.isStatic)
* return property.getMethod.Invoke(null, new HybInstance[] { });
* }
*/
//if (field.)
throw new NoSuchMemberException($"{id}");
}
public HybInstance Invoke(HybInstance _this, HybInstance[] args, bool hasRefOrOut = false)
{
if (IsCompiled)
{
Console.WriteLine($"Invoke {CompiledMethod.Name}");
}
else
{
Console.WriteLine($"Invoke ");
}
if (Type == InvokeType.ReflectionInvoke)
{
if (CompiledMethod.GetParameters().Length > args.Length)
{
args = ExpandArgs(args, CompiledMethod);
}
var unwrappedArgs = args.Unwrap();
var ret = CompiledMethod.Invoke(_this?.InnerObject, unwrappedArgs);
if (hasRefOrOut)
{
for (int i = 0; i < args.Length; i++)
{
args[i] = HybInstance.Object(unwrappedArgs[i]);
}
}
return(HybInstance.Object(ret));
}
else if (Type == InvokeType.FuncInvoke)
{
return(Runner.RunWrappedFunc(_this, FuncMethod, args));
}
else if (Type == InvokeType.Interpret)
{
var ps = InterpretMethod.ParameterList.Parameters;
//if (args.Length != ps.Count)
//throw new SemanticViolationException($"Parameters.Count does not match");
return(Runner.RunMethod(
_this as HybInstance, MethodInfo, args));
}
throw new NotImplementedException($"Unknown type: {Type}");
}
private HybInstance RunArrayCreation(ArrayCreationExpressionSyntax node)
{
var rtAry = Resolver.GetType($"{node.Type.ElementType}");
Array ary = null;
Type elemType;
if (rtAry.IsCompiledType)
{
elemType = rtAry.CompiledType;
}
else
{
elemType = typeof(HybInstance);
}
if (node.Initializer != null)
{
ary = Array.CreateInstance(
elemType, node.Initializer.Expressions.Count);
var count = 0;
foreach (var expr in node.Initializer.Expressions)
{
var value = RunExpression(expr);
if (rtAry.IsCompiledType)
{
ary.SetValue(value.InnerObject, count++);
}
else
{
ary.SetValue(value, count++);
}
}
}
else
{
var ranks = node.Type.RankSpecifiers
.SelectMany(x => x.Sizes)
.Select(x => RunExpression(x).As <int>())
.ToArray();
ary = Array.CreateInstance(elemType, ranks);
}
return(HybInstance.Object(ary));
}
public static HybInstance PrefixUnary(HybInstance a, string op)
{
if (op == "!")
{
return(PrefixNot(a));
}
if (op == "-")
{
return(PrefixMinus(a));
}
if (op == "+")
{
return(PrefixPlus(a));
}
throw new ArgumentException($"Unrecognized operator: '{op}'.");
}
private (HybInstance[], bool) ResolveArgumentList(ArgumentListSyntax node)
{
var args = new HybInstance[node.Arguments.Count];
var hasRefOrOut = false;
for (int i = 0; i < node.Arguments.Count; i++)
{
var refOrOut = node.Arguments[i].RefKindKeyword.Text ?? "";
if (refOrOut == "ref" || refOrOut == "out")
{
hasRefOrOut = true;
}
args[i] = RunExpression(node.Arguments[i].Expression);
}
return(args, hasRefOrOut);
}
public static HybInstance PrefixMinus(HybInstance a)
{
if (a.IsCompiledType)
{
if (a.GetHybType().IsValueType)
{
if (a.Is <Decimal>())
{
return(HybInstance.Decimal(-a.As <Decimal>()));
}
if (a.Is <Double>())
{
return(HybInstance.Double(-a.As <Double>()));
}
if (a.Is <Single>())
{
return(HybInstance.Float(-a.As <Single>()));
}
if (a.Is <Int64>())
{
return(HybInstance.Int64(-a.As <Int64>()));
}
if (a.Is <Int32>())
{
return(HybInstance.Int(-a.As <Int32>()));
}
if (a.Is <short>())
{
return(HybInstance.Short(-a.As <short>()));
}
if (a.Is <sbyte>())
{
return(HybInstance.Byte(-a.As <sbyte>()));
}
}
}
var negationMethod = GetUnaryNegationMethod(a);
if (negationMethod != null)
{
return(negationMethod.Target.Invoke(null, new HybInstance[] { a }));
}
throw new NotImplementedException();
}
private void InitializeFields()
{
foreach (var field in Klass.GetFields()
.Where(x => x.IsStatic == false)
.OfType <SSInterpretFieldInfo>())
{
if (field.declartor == null || field.declartor.Initializer == null)
{
Fields.Add(field.Id,
HybInstance.Object(field.fieldType.GetDefault()));
}
else
{
Fields.Add(field.Id,
Runner.RunExpression(field.declartor.Initializer.Value));
}
}
}
/// <summary>
/// Runs interpolated string expression.
/// [Syntax] $"My name is {VALUE}"
/// </summary>
private HybInstance RunInterpolatedString(InterpolatedStringExpressionSyntax node)
{
var sb = new StringBuilder();
foreach (var content in node.Contents)
{
if (content is InterpolationSyntax s)
{
sb.Append(RunExpression(s.Expression));
}
else if (content is InterpolatedStringTextSyntax)
{
sb.Append(content.GetText());
}
}
return(HybInstance.String(sb.ToString()));
}