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 static IifExpr Bound(Expr cond, Expr t, Expr f, BindOptions opt)
{
cond.RequireGetAccess();
t.RequireGetAccess();
f.RequireGetAccess();
Binder.Convert(ref cond, Compilation.Get(NativeType.Boolean), Binder.Conversion(cond, Compilation.Get(NativeType.Boolean), opt));
var r = new IifExpr(cond, t, f, cond.Token);
r.Datatype = Binder.ConvertResult(ref r.True, ref r.False, opt);
return(r);
}
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();
if (AssignExpr != null)
{
b.Bind(ref AssignExpr);
IterInit = AssignExpr;
}
else
{
b.Bind(ref ForDecl);
IterDecl = ForDecl;
AssignExpr = ForDecl.Initializer as AssignExpr;
}
Expr Iter;
Iter = AssignExpr.Left;
Iter.RequireGetAccess();
b.Bind(ref Final);
Final.RequireGetAccess();
if (Step != null)
{
b.Bind(ref Step);
Step.RequireGetAccess();
}
else
{
Step = LiteralExpr.Bound(Constant.Create(1));
}
switch (Dir.Type)
{
case TokenType.UPTO:
WhileExpr = BinaryExpr.Bound(Iter, Dir, Final, BinaryOperatorKind.LessThanOrEqual, b.Options.Binding);
IncrExpr = AssignOpExpr.Bound(Iter, Step, BinaryOperatorKind.Addition, b);
break;
case TokenType.DOWNTO:
WhileExpr = BinaryExpr.Bound(Iter, Dir, Final, BinaryOperatorKind.GreaterThanOrEqual, b.Options.Binding);
IncrExpr = AssignOpExpr.Bound(Iter, Step, BinaryOperatorKind.Subtraction, b);
break;
case TokenType.TO:
var step_pos = BinaryExpr.Bound(Step, Dir, LiteralExpr.Bound(Constant.Create(0)), BinaryOperatorKind.GreaterThanOrEqual, b.Options.Binding);
var whileExprUpTo = BinaryExpr.Bound(Iter, Dir, Final, BinaryOperatorKind.LessThanOrEqual, b.Options.Binding);
var whileExprDownTo = BinaryExpr.Bound(Iter, Dir, Final, BinaryOperatorKind.GreaterThanOrEqual, b.Options.Binding);
WhileExpr = IifExpr.Bound(step_pos, whileExprUpTo, whileExprDownTo, b.Options.Binding);
IncrExpr = AssignOpExpr.Bound(Iter, Step, BinaryOperatorKind.Addition, b);
break;
default:
throw Error(ErrorCode.Internal);
}
b.Convert(ref WhileExpr, Compilation.Get(NativeType.Boolean));
b.Bind(ref Stmt);
b.CloseScope();
return(null);
}