Merge remote-tracking branch 'public/master'
[mono.git] / mcs / class / Microsoft.CSharp / Microsoft.CSharp.RuntimeBinder / CSharpBinaryOperationBinder.cs
index 6720b3a99bd4a2ec5368e569c90f2bf31d207fa6..374eb0d961fed72ceff5c2ef0787de206da91593 100644 (file)
@@ -32,49 +32,129 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
 using System.Runtime.CompilerServices;
+using Compiler = Mono.CSharp;
 
 namespace Microsoft.CSharp.RuntimeBinder
 {
-       public class CSharpBinaryOperationBinder : BinaryOperationBinder
+       class CSharpBinaryOperationBinder : BinaryOperationBinder
        {
                IList<CSharpArgumentInfo> argumentInfo;
-               bool is_checked, is_member_access;
+               readonly CSharpBinderFlags flags;
+               readonly Type context;
                
-               public CSharpBinaryOperationBinder (ExpressionType operation, bool isChecked, bool isMemberAccess, IEnumerable<CSharpArgumentInfo> argumentInfo)
+               public CSharpBinaryOperationBinder (ExpressionType operation, CSharpBinderFlags flags, Type context, IEnumerable<CSharpArgumentInfo> argumentInfo)
                        : base (operation)
                {
                        this.argumentInfo = new ReadOnlyCollectionBuilder<CSharpArgumentInfo> (argumentInfo);
-                       this.is_checked = isChecked;
-                       this.is_member_access = isMemberAccess;
-               }
-               
-               public IList<CSharpArgumentInfo> ArgumentInfo {
-                       get {
-                               return argumentInfo;
-                       }
-               }
+                       if (this.argumentInfo.Count != 2)
+                               throw new ArgumentException ("Binary operation requires 2 arguments");
 
-               public bool IsChecked {
-                       get {
-                               return is_checked;
-                       }
-               }
-               
-               public bool IsMemberAccess {
-                       get {
-                               return is_member_access;
-                       }
+                       this.flags = flags;
+                       this.context = context;
                }
-               
-               public override int GetHashCode ()
+
+               Compiler.Binary.Operator GetOperator (out bool isCompound)
                {
-                       return base.GetHashCode ();
+                       isCompound = false;
+                       switch (Operation) {
+                       case ExpressionType.Add:
+                               return Compiler.Binary.Operator.Addition;
+                       case ExpressionType.AddAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.Addition;
+                       case ExpressionType.And:
+                               return (flags & CSharpBinderFlags.BinaryOperationLogical) != 0 ?
+                                       Compiler.Binary.Operator.LogicalAnd : Compiler.Binary.Operator.BitwiseAnd;
+                       case ExpressionType.AndAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.BitwiseAnd;
+                       case ExpressionType.Divide:
+                               return Compiler.Binary.Operator.Division;
+                       case ExpressionType.DivideAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.Division;
+                       case ExpressionType.Equal:
+                               return Compiler.Binary.Operator.Equality;
+                       case ExpressionType.ExclusiveOr:
+                               return Compiler.Binary.Operator.ExclusiveOr;
+                       case ExpressionType.ExclusiveOrAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.ExclusiveOr;
+                       case ExpressionType.GreaterThan:
+                               return Compiler.Binary.Operator.GreaterThan;
+                       case ExpressionType.GreaterThanOrEqual:
+                               return Compiler.Binary.Operator.GreaterThanOrEqual;
+                       case ExpressionType.LeftShift:
+                               return Compiler.Binary.Operator.LeftShift;
+                       case ExpressionType.LeftShiftAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.LeftShift;
+                       case ExpressionType.LessThan:
+                               return Compiler.Binary.Operator.LessThan;
+                       case ExpressionType.LessThanOrEqual:
+                               return Compiler.Binary.Operator.LessThanOrEqual;
+                       case ExpressionType.Modulo:
+                               return Compiler.Binary.Operator.Modulus;
+                       case ExpressionType.ModuloAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.Modulus;
+                       case ExpressionType.Multiply:
+                               return Compiler.Binary.Operator.Multiply;
+                       case ExpressionType.MultiplyAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.Multiply;
+                       case ExpressionType.NotEqual:
+                               return Compiler.Binary.Operator.Inequality;
+                       case ExpressionType.Or:
+                               return (flags & CSharpBinderFlags.BinaryOperationLogical) != 0 ?
+                                       Compiler.Binary.Operator.LogicalOr : Compiler.Binary.Operator.BitwiseOr;
+                       case ExpressionType.OrAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.BitwiseOr;
+                       case ExpressionType.OrElse:
+                               return Compiler.Binary.Operator.LogicalOr;
+                       case ExpressionType.RightShift:
+                               return Compiler.Binary.Operator.RightShift;
+                       case ExpressionType.RightShiftAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.RightShift;
+                       case ExpressionType.Subtract:
+                               return Compiler.Binary.Operator.Subtraction;
+                       case ExpressionType.SubtractAssign:
+                               isCompound = true;
+                               return Compiler.Binary.Operator.Subtraction;
+                       default:
+                               throw new NotImplementedException (Operation.ToString ());
+                       }
                }
                
-               [MonoTODO]
                public override DynamicMetaObject FallbackBinaryOperation (DynamicMetaObject target, DynamicMetaObject arg, DynamicMetaObject errorSuggestion)
                {
-                       throw new NotImplementedException ();
+                       var ctx = DynamicContext.Create ();
+                       var left = ctx.CreateCompilerExpression (argumentInfo [0], target);
+                       var right = ctx.CreateCompilerExpression (argumentInfo [1], arg);
+                       
+                       bool is_compound;
+                       var oper = GetOperator (out is_compound);
+                       Compiler.Expression expr;
+
+                       if (is_compound) {
+                               var target_expr = new Compiler.RuntimeValueExpression (target, ctx.ImportType (target.LimitType));
+                               expr = new Compiler.CompoundAssign (oper, target_expr, right, left);
+                       } else {
+                               expr = new Compiler.Binary (oper, left, right);
+                       }
+
+                       expr = new Compiler.Cast (new Compiler.TypeExpression (ctx.ImportType (ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
+                       
+                       if ((flags & CSharpBinderFlags.CheckedContext) != 0)
+                               expr = new Compiler.CheckedExpr (expr, Compiler.Location.Null);
+
+                       var binder = new CSharpBinder (this, expr, errorSuggestion);
+                       binder.AddRestrictions (target);
+                       binder.AddRestrictions (arg);
+
+                       return binder.Bind (ctx, context);
                }
        }
 }