internal override Node Bind(Binder b)
{
if (Token.Type == TokenType.LPARAMETERS || Token.Type == TokenType.PARAMETERS)
{
for (int i = 0; i < VarDecls.Length; i++)
{
var argIdx = b.Options.ArrayBase + i;
var paramArray = IdExpr.Bound((b.Entity as Script).ParamArray);
VarDecls[i].Initializer =
IifExpr.Bound(
BinaryExpr.Bound(ArrayLengthExpr.Bound(paramArray), Token, LiteralExpr.Bound(Constant.Create(i)), BinaryOperatorKind.GreaterThan, b.Options.Binding),
ArrayAccessExpr.Bound(paramArray, ArgList.Bound(LiteralExpr.Bound(Constant.Create(argIdx))), b),
DefaultExpr.Bound(b, b.ObjectType),
b.Options.Binding);
}
}
// TODO: Handle STATIC
if (Token.Type == TokenType.STATIC)
{
throw Error(ErrorCode.NotSupported, "STATIC");
}
for (int i = 0; i < VarDecls.Length; i++)
{
b.Bind(ref VarDecls[i]);
}
return(null);
}
internal override Node Bind(Binder b)
{
b.OpenScope();
if (Expr != null)
{
b.Bind(ref Expr);
Expr.RequireGetAccess();
}
else
{
b.Bind(ref Decl);
}
b.Bind(ref Stmt);
b.CloseScope();
var u = Decl != null ? Decl.VarDecls[0].Var : b.AddLocal(Expr.Datatype);
var udecl = Decl ?? DeclStmt.Bound(VarDecl.Bound(u, Expr, b.Options.Binding));
Expr du = AsTypeExpr.Bound(IdExpr.Bound(u), IdExpr.Bound(Compilation.Get(WellKnownTypes.System_IDisposable)));
b.Cache(ref du);
var cond = BinaryExpr.Bound(du, Expr.Token, LiteralExpr.Bound(Constant.Null), BinaryOperatorKind.NotEqual, b.Options.Binding);
var exit = IfStmt.Bound(cond,
ExprStmt.Bound(MethodCallExpr.Bound(b, null, Compilation.Get(WellKnownMembers.System_IDisposable_Dispose), du, ArgList.Empty)),
null);
return(StmtBlock.Bound(udecl,
TryStmt.Bound(b,
Stmt,
exit)));
}
internal override Node Bind(Binder b)
{
if (Expr != null)
{
b.Bind(ref Expr);
Expr.RequireGetAccess();
}
else
{
if (b.Options.Dialect == XSharpDialect.FoxPro)
{
Expr = LiteralExpr.Bound(Constant.Create(false));
}
else
{
Expr = LiteralExpr.Bound(Constant.CreateDefault(Compilation.Get(NativeType.Usual)));
}
}
var t = IdExpr.Bound(Compilation.Get(WellKnownTypes.XSharp_Internal_WrappedException));
var args = ArgList.Bound(Expr);
Expr = CtorCallExpr.Bound(b, t, args);
b.Convert(ref Expr, Compilation.Get(NativeType.Object));
return(null);
}
internal static VarDecl Bound(LocalSymbol loc, Expr initializer, BindOptions opt)
{
return(new VarDecl(null, null, null, null, AssignExpr.Bound(IdExpr.Bound(loc), initializer, opt))
{
Symbol = loc
});
}
internal override Node Bind(Binder b)
{
b.OpenScope();
b.Bind(ref Key);
Key.RequireGetAccess();
if (Key.Datatype.IsValueType)
{
throw Error(ErrorCode.RequireReferenceType);
}
b.Bind(ref Stmt);
b.CloseScope();
var k = b.AddLocal(Compilation.Get(NativeType.Object));
b.Convert(ref Key, Compilation.Get(NativeType.Object));
var kdecl = DeclStmt.Bound(VarDecl.Bound(k, Key, b.Options.Binding));
var l = b.AddLocal(Compilation.Get(NativeType.Boolean));
var ldecl = DeclStmt.Bound(VarDecl.Bound(l, LiteralExpr.Bound(Constant.Create(false)), b.Options.Binding));
var enter = ExprStmt.Bound(MethodCallExpr.Bound(b, null, Compilation.Get(WellKnownMembers.System_Threading_Monitor_Enter), null, ArgList.Bound(IdExpr.Bound(k), IdExpr.Bound(l))));
var exit = IfStmt.Bound(IdExpr.Bound(l),
ExprStmt.Bound(MethodCallExpr.Bound(b, null, Compilation.Get(WellKnownMembers.System_Threading_Monitor_Exit), null, ArgList.Bound(IdExpr.Bound(k)))),
null);
return(StmtBlock.Bound(kdecl, ldecl,
TryStmt.Bound(b,
StmtBlock.Bound(enter, Stmt),
exit)));
}
static internal IdExpr Bound(Symbol sym)
{
var e = new IdExpr(Token.None);
e.Symbol = sym;
e.Datatype = sym.Type();
return(e);
}
static internal IdExpr Bound(LocalSymbol loc)
{
var e = new IdExpr(Token.None);
e.Symbol = loc;
e.Datatype = loc.Type;
return(e);
}
internal override Node Bind(Binder b)
{
b.OpenScope();
b.Bind(ref Expr);
Expr.RequireGetAccess();
if (Expr.Datatype.IsArray && Expr.Datatype.ArrayRank == 1)
{
var array = b.Cache(ref Expr);
var iter = b.AddLocal(Compilation.Get(NativeType.Int32));
IterDecl = VarDecl.Bound(iter, LiteralExpr.Bound(Constant.Create(b.Options.ArrayBase)), b.Options.Binding);
WhileExpr = BinaryExpr.Bound(IdExpr.Bound(iter), Token,
MethodCallExpr.Bound(array, Compilation.Get(WellKnownMembers.System_Array_get_Length), array, ArgList.Empty),
b.Options.ArrayZero ? BinaryOperatorKind.LessThan : BinaryOperatorKind.LessThanOrEqual, b.Options.Binding);
IncrExpr = AssignOpExpr.Bound(IdExpr.Bound(iter), LiteralExpr.Bound(Constant.Create(1)), BinaryOperatorKind.Addition, b);
ForDecl.Initializer = ArrayAccessExpr.Bound(array, new ArgList(new List <Arg>(1)
{
new Arg(IdExpr.Bound(iter))
}), b);
}
else
{
if (Expr.Datatype.IsUsualOrObject() && b.Options.Binding.HasFlag(BindOptions.AllowDynamic))
{
b.Convert(ref Expr, Compilation.Get(NativeType.Array));
}
Expr e = b.Cache(ref Expr);
var getIterSym = e.Datatype.GetEnumeratorGetter() ?? throw Error(ErrorCode.NoSuitableEnumerator);
var getIter = MethodCallExpr.Bound(e, getIterSym, e, ArgList.Empty);
var iter = b.AddLocal(getIter.Datatype);
IterDecl = VarDecl.Bound(iter, getIter, b.Options.Binding);
WhileExpr = MethodCallExpr.Bound(b, IdExpr.Bound(iter), SystemNames.MoveNext, ArgList.Empty);
b.Convert(ref WhileExpr, Compilation.Get(NativeType.Boolean));
ForDecl.Initializer = MethodCallExpr.Bound(b, IdExpr.Bound(iter), SystemNames.CurrentGetter, ArgList.Empty);
Dispose = Compilation.Get(WellKnownTypes.System_IDisposable).IsAssignableFrom(getIter.Datatype);
if (Dispose)
{
RequireExceptionHandling = true;
}
}
b.Bind(ref ForDecl);
InnerDecl = ForDecl;
Expr Iter;
Iter = (ForDecl.Initializer as AssignExpr).Left;
Iter.RequireGetAccess();
b.Bind(ref Stmt);
b.CloseScope();
return(null);
}
internal override Node Bind(Binder b)
{
if (Affinity != BindAffinity.Type)
{
Expr e = new IdExpr(Token);
b.Bind(ref e, Affinity);
return(e);
}
Symbol = Binder.GetNativeTypeFromToken(Kind) ?? ThrowError(ErrorCode.NotSupported, Kind);
return(null);
}
internal override Node Bind(Binder b)
{
b.CreatesAutoVars = true;
Symbol = b.AddMemvar(Name);
if (Initializer != null)
{
b.Bind(ref Initializer);
Initializer.RequireGetAccess();
b.Convert(ref Initializer, Var.Type);
Initializer = AssignExpr.Bound(IdExpr.Bound(Var), Initializer, b.Options.Binding);
}
return(null);
}
internal override Node Bind(Binder b)
{
var funcs = Compilation.Get(WellKnownTypes.XSharp_RT_Functions);
var expr = IdExpr.Bound(b.Lookup(funcs, QOutName));
var args = new ArgList(new List <Arg>(Exprs.Select(x => new Arg(x))));
b.Bind(ref args);
Expr self, writeBack;
var sym = b.BindMethodCall(expr, expr.Symbol, args, out self, out writeBack);
if (self != null || writeBack != null)
{
throw Error(ErrorCode.Internal);
}
QOutCall = MethodCallExpr.Bound(expr, sym, null, args);
return(null);
}
internal static MethodCallExpr Bound(Binder b, Expr e, string name, ArgList args)
{
Expr m = new IdExpr(name);
Expr self;
Expr writeBack;
var ms = b.BindMemberAccess(ref e, ref m, BindAffinity.Invoke);
if (!(ms is MethodSymbol))
{
throw e.Error(ErrorCode.Internal);
}
var expr = new MemberAccessExpr(e, e.Token, m)
{
Symbol = ms
};
var sym = b.BindMethodCall(expr, ms, ArgList.Empty, out self, out writeBack);
return(Bound(e, sym, self, ArgList.Empty, writeBack));
}
internal override Node Bind(Binder b)
{
b.OpenScope();
b.Bind(ref Stmt);
Stmt = TryStmt.Bound(b,
StmtBlock.Bound(
ExprStmt.Bound(MethodCallExpr.Bound(null, Compilation.Get(WellKnownMembers.XSharp_Internal_CompilerServices_EnterBeginSequence), null, ArgList.Empty)),
Stmt),
ExprStmt.Bound(MethodCallExpr.Bound(null, Compilation.Get(WellKnownMembers.XSharp_Internal_CompilerServices_ExitBeginSequence), null, ArgList.Empty))
);
b.CloseScope();
if (Recover != null)
{
b.OpenScope();
var rv = b.AddLocal(Name.Value, b.ObjectType);
b.Bind(ref Recover);
ExVar = b.AddLocal(Compilation.Get(WellKnownTypes.System_Exception));
Expr rvxw = MethodCallExpr.Bound(b, TypeCast.Bound(b, IdExpr.Bound(ExVar), Compilation.Get(WellKnownTypes.XSharp_Internal_WrappedException)), "get_Value", ArgList.Empty);
Expr rvxe = TypeCast.Bound(b, IdExpr.Bound(ExVar), Compilation.Get(WellKnownTypes.XSharp_Error));
Expr rvx = MethodCallExpr.Bound(null, Compilation.Get(WellKnownMembers.XSharp_Error_WrapRawException), null, ArgList.Bound(TypeCast.Bound(b, IdExpr.Bound(ExVar), Compilation.Get(WellKnownTypes.System_Exception))));
var rvInit =
IifExpr.Bound(IsExpr.Bound(IdExpr.Bound(ExVar), IdExpr.Bound(Compilation.Get(WellKnownTypes.XSharp_Internal_WrappedException))), TypeConversion.Bound(b, rvxw, Compilation.Get(NativeType.Usual)),
IifExpr.Bound(IsExpr.Bound(IdExpr.Bound(ExVar), IdExpr.Bound(Compilation.Get(WellKnownTypes.XSharp_Error))), TypeConversion.Bound(b, rvxe, Compilation.Get(NativeType.Usual)),
rvx,
b.Options.Binding),
b.Options.Binding);
var rvdecl = DeclStmt.Bound(VarDecl.Bound(rv, rvInit, b.Options.Binding));
Recover = StmtBlock.Bound(rvdecl, Recover);
b.CloseScope();
}
if (Finally != null)
{
bool ar = SaveAllowReturn(b);
b.OpenScope();
b.Bind(ref Finally);
b.CloseScope();
RestoreAllowReturn(b, ar);
}
return(TryStmt.Bound(b, Stmt, CatchBlock.Bound(ExVar, Recover), Finally));
}
internal override Node Bind(Binder b)
{
b.OpenScope();
b.Bind(ref Expr);
Expr.RequireGetAccess();
var s = b.FindOuter <SwitchStmt>() ?? throw Error(ErrorCode.Internal);
Cond = BinaryExpr.Bound(Expr, Expr.Token, IdExpr.Bound(s.SwitchValue), BinaryOperatorKind.ExactEqual, b.Options.Binding);
b.Convert(ref Cond, Compilation.Get(NativeType.Boolean));
if (When != null)
{
b.Bind(ref When);
When.RequireGetAccess();
b.Convert(ref When, Compilation.Get(NativeType.Boolean));
}
if (Stmt != null)
{
b.Bind(ref Stmt);
}
b.CloseScope();
return(null);
}
internal override Node Bind(Binder b)
{
b.Bind(ref Initializer);
Initializer.RequireGetAccess();
if (IsConst && Initializer is LiteralExpr c)
{
Symbol = b.AddConstant(Name, (Constant)c.Symbol) ?? throw Error(ErrorCode.LocalSameName, Name);
}
else
{
Symbol = b.AddLocal(Name, Initializer.Datatype) ?? throw Error(ErrorCode.LocalSameName, Name);
if (IsConst)
{
if (Initializer?.IsConstant != true)
{
throw Error(ErrorCode.ValueNotConst);
}
Var.SetConst();
}
Initializer = InitExpr.Bound(IdExpr.Bound(Var), Initializer, b.Options.Binding);
}
return(null);
}
internal override Node Bind(Binder b)
{
b.OpenScope();
b.Bind(ref Type, BindAffinity.Type);
Type.RequireType();
var v = b.AddLocal(Type.Symbol as TypeSymbol);
var s = b.FindOuter <SwitchStmt>() ?? throw Error(ErrorCode.Internal);
Cond = IsVarExpr.Bound(IdExpr.Bound(s.SwitchValue), Type, v);
b.Convert(ref Cond, Compilation.Get(NativeType.Boolean));
if (When != null)
{
b.Bind(ref When);
When.RequireGetAccess();
b.Convert(ref When, Compilation.Get(NativeType.Boolean));
}
if (Stmt != null)
{
b.Bind(ref Stmt);
}
b.CloseScope();
return(null);
}
internal IntrinsicCallExpr(IdExpr e, ArgList a, IntrinsicCallType t) : base(e, a)
{
Kind = t;
}
internal override Node Bind(Binder b)
{
if (b.Options.FoxParenArrayAccess && Expr is IdExpr id && (Args.Args.Count == 1 || Args.Args.Count == 2))
{
// Todo:
// Validate also if the array indexes are or could be numeric
// So valid are:
// LONG, USUAL, OBJECT
// When not, then we call the function always
if (Affinity == BindAffinity.Assign)
{
// transform to array access
var a = new ArrayAccessExpr(Expr, Args);
b.Bind(ref a, Affinity);
return(a);
}
else
{
Expr e = new IdExpr(id.Name);
b.Bind(ref e, BindAffinity.Invoke);
if (e.Symbol?.IsMethodOrMethodGroup() == true)
{
if (b.Options.UndeclaredVariableResolution == VariableResolution.TreatAsFieldOrMemvar)
{
// transform to call to __FoxArrayAccess()
var m = (Args.Args.Count == 1) ? WellKnownMembers.XSharp_VFP_Functions___FoxArrayAccess_1 : WellKnownMembers.XSharp_VFP_Functions___FoxArrayAccess_2;
Args.Args.Insert(0, new Arg(LiteralExpr.Bound(Constant.Create(id.Name))));
Args.Args.Insert(1, new Arg(new IdExpr(id.Name)));
b.Bind(ref Args);
if (Args.Args[1].Expr is AutoVarExpr av)
{
av.Safe = true;
}
return(MethodCallExpr.Bound(b, null, Compilation.Get(m), null, Args));
}
}
else
{
// transform to array access
var a = new ArrayAccessExpr(Expr, Args);
b.Bind(ref a, Affinity);
return(a);
}
}
}
b.Bind(ref Expr, BindAffinity.Invoke);
b.Bind(ref Args);
Symbol = b.BindMethodCall(Expr, Expr.Symbol, Args, out Self, out WriteBack);
Datatype = Symbol.Type();
if (Self?.Datatype.IsValueType == true)
{
if ((Symbol as MethodSymbol).DeclaringType.IsValueType)
{
if (!Symbol.HasRefAccess)
{
b.Cache(ref Self);
}
b.Convert(ref Self, Binder.ByRefOf(Self.Datatype));
}
else
{
b.Convert(ref Self, Compilation.Get(NativeType.Object));
}
}
return(null);
}
internal override Node Bind(Binder b)
{
// TODO: Handle IS
if (IsIsType)
{
throw Type.Error(ErrorCode.NotSupported, "IS");
}
// TODO: Handle DIM, array sub peroperly (according to full compiler)
if (IsDim && ArraySub == null)
{
throw Error(ErrorCode.Expected, "array specifier");
}
bool isDim = IsDim && ArraySub != null;
bool isArray = !IsDim && ArraySub != null;
if (ArraySub != null)
{
for (int i = 0; i < ArraySub.Length; i++)
{
b.Bind(ref ArraySub[i]);
}
}
TypeSymbol t = b.ObjectType;
if (Type != null)
{
b.Bind(ref Type, BindAffinity.Type);
Type.RequireType();
t = Type.Symbol as TypeSymbol;
}
if (isDim)
{
t = Binder.ArrayOf(t, ArraySub.Length);
}
else if (isArray && Type == null)
{
t = Compilation.Get(NativeType.Array);
}
Symbol = b.AddLocal(Name, t) ?? throw Error(ErrorCode.LocalSameName, Name);
if (Initializer != null)
{
b.Bind(ref Initializer);
Initializer.RequireGetAccess();
if (IsConst)
{
if (!Initializer.IsConstant)
{
throw Error(ErrorCode.ValueNotConst);
}
Var.SetConst();
}
b.Convert(ref Initializer, Var.Type);
Initializer = InitExpr.Bound(IdExpr.Bound(Var), Initializer, b.Options.Binding);
}
else if (IsConst)
{
throw Error(ErrorCode.ConstWithoutInitializer);
}
else if (isDim)
{
Initializer = InitExpr.Bound(IdExpr.Bound(Var), CtorCallExpr.Bound(b, IdExpr.Bound(t), ArgList.Bound(ArraySub)), b.Options.Binding);
}
else if (isArray)
{
Initializer = InitExpr.Bound(IdExpr.Bound(Var), MethodCallExpr.Bound(b, null, Compilation.Get(WellKnownMembers.XSharp___Array___ArrayNew), null, ArgList.Bound(ArraySub)), b.Options.Binding);
}
return(null);
}