Make mkbundle use SDKs instead of a single runtime for cross compilation
[mono.git] / mcs / mcs / cfold.cs
index 361216652889d2eea740cefa33189a5b8fb9d8d1..da85bf386b21c306f44105af857dec6196e43509 100644 (file)
@@ -309,10 +309,10 @@ namespace Mono.CSharp {
                                                return new StringConstant (ec.BuiltinTypes, (string)left.GetValue () + (string)right.GetValue (),
                                                        left.Location);
 
-                                       if (lt == InternalType.NullLiteral)
+                                       if (lt == InternalType.NullLiteral || left.IsNull)
                                                return new StringConstant (ec.BuiltinTypes, "" + right.GetValue (), left.Location);
 
-                                       if (rt == InternalType.NullLiteral)
+                                       if (rt == InternalType.NullLiteral || right.IsNull)
                                                return new StringConstant (ec.BuiltinTypes, left.GetValue () + "", left.Location);
 
                                        return null;
@@ -367,8 +367,8 @@ namespace Mono.CSharp {
                                                return null;
 
                                        result = result.Reduce (ec, lt);
-                                       if (result == null)
-                                               return null;
+                                       if (result == null || lt.IsEnum)
+                                               return result;
 
                                        return new EnumConstant (result, lt);
                                }
@@ -390,14 +390,14 @@ namespace Mono.CSharp {
                                                return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
                                        }
                                        if (left is FloatConstant){
-                                               float res;
-                                               
+                                               double a, b, res;
+                                               a = ((FloatConstant) left).DoubleValue;
+                                               b = ((FloatConstant) right).DoubleValue;
+
                                                if (ec.ConstantCheckState)
-                                                       res = checked (((FloatConstant) left).Value +
-                                                                      ((FloatConstant) right).Value);
+                                                       res = checked (a + b);
                                                else
-                                                       res = unchecked (((FloatConstant) left).Value +
-                                                                        ((FloatConstant) right).Value);
+                                                       res = unchecked (a + b);
 
                                                result = new FloatConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is ULongConstant){
@@ -514,14 +514,14 @@ namespace Mono.CSharp {
 
                                                result = new DoubleConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is FloatConstant){
-                                               float res;
-                                               
+                                               double a, b, res;
+                                               a = ((FloatConstant) left).DoubleValue;
+                                               b = ((FloatConstant) right).DoubleValue;
+
                                                if (ec.ConstantCheckState)
-                                                       res = checked (((FloatConstant) left).Value -
-                                                                      ((FloatConstant) right).Value);
+                                                       res = checked (a - b);
                                                else
-                                                       res = unchecked (((FloatConstant) left).Value -
-                                                                        ((FloatConstant) right).Value);
+                                                       res = unchecked (a - b);
 
                                                result = new FloatConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is ULongConstant){
@@ -611,14 +611,14 @@ namespace Mono.CSharp {
 
                                                return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is FloatConstant){
-                                               float res;
-                                               
+                                               double a, b, res;
+                                               a = ((FloatConstant) left).DoubleValue;
+                                               b = ((FloatConstant) right).DoubleValue;
+
                                                if (ec.ConstantCheckState)
-                                                       res = checked (((FloatConstant) left).Value *
-                                                               ((FloatConstant) right).Value);
+                                                       res = checked (a * b);
                                                else
-                                                       res = unchecked (((FloatConstant) left).Value *
-                                                               ((FloatConstant) right).Value);
+                                                       res = unchecked (a * b);
 
                                                return new FloatConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is ULongConstant){
@@ -707,14 +707,14 @@ namespace Mono.CSharp {
 
                                                return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is FloatConstant){
-                                               float res;
-                                               
+                                               double a, b, res;
+                                               a = ((FloatConstant) left).DoubleValue;
+                                               b = ((FloatConstant) right).DoubleValue;
+
                                                if (ec.ConstantCheckState)
-                                                       res = checked (((FloatConstant) left).Value /
-                                                               ((FloatConstant) right).Value);
+                                                       res = checked (a / b);
                                                else
-                                                       res = unchecked (((FloatConstant) left).Value /
-                                                               ((FloatConstant) right).Value);
+                                                       res = unchecked (a / b);
 
                                                return new FloatConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is ULongConstant){
@@ -807,14 +807,14 @@ namespace Mono.CSharp {
 
                                                return new DoubleConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is FloatConstant){
-                                               float res;
+                                               double a, b, res;
+                                               a = ((FloatConstant) left).DoubleValue;
+                                               b = ((FloatConstant) right).DoubleValue;
                                                
                                                if (ec.ConstantCheckState)
-                                                       res = checked (((FloatConstant) left).Value %
-                                                                      ((FloatConstant) right).Value);
+                                                       res = checked (a % b);
                                                else
-                                                       res = unchecked (((FloatConstant) left).Value %
-                                                                        ((FloatConstant) right).Value);
+                                                       res = unchecked (a % b);
 
                                                return new FloatConstant (ec.BuiltinTypes, res, left.Location);
                                        } else if (left is ULongConstant){
@@ -861,9 +861,22 @@ namespace Mono.CSharp {
                                                                         ((IntConstant) right).Value);
 
                                                return new IntConstant (ec.BuiltinTypes, res, left.Location);
-                                       } else {
-                                               throw new Exception ( "Unexepected modulus input: " + left);
                                        }
+
+                                       if (left is DecimalConstant) {
+                                               decimal res;
+
+                                               if (ec.ConstantCheckState)
+                                                       res = checked (((DecimalConstant) left).Value %
+                                                               ((DecimalConstant) right).Value);
+                                               else
+                                                       res = unchecked (((DecimalConstant) left).Value %
+                                                               ((DecimalConstant) right).Value);
+
+                                               return new DecimalConstant (ec.BuiltinTypes, res, left.Location);
+                                       }
+
+                                       throw new Exception ( "Unexepected modulus input: " + left);
                                } catch (DivideByZeroException){
                                        ec.Report.Error (20, loc, "Division by constant zero");
                                } catch (OverflowException){
@@ -883,7 +896,6 @@ namespace Mono.CSharp {
 
                                IntConstant ic = right.ConvertImplicitly (ec.BuiltinTypes.Int) as IntConstant;
                                if (ic == null){
-                                       Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc);
                                        return null;
                                }
 
@@ -905,8 +917,7 @@ namespace Mono.CSharp {
                                if (left.Type.BuiltinType == BuiltinTypeSpec.Type.Int)
                                        return new IntConstant (ec.BuiltinTypes, ((IntConstant) left).Value << lshift_val, left.Location);
 
-                               Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc);
-                               break;
+                               return null;
 
                                //
                                // There is no overflow checking on right shift
@@ -920,7 +931,6 @@ namespace Mono.CSharp {
 
                                IntConstant sic = right.ConvertImplicitly (ec.BuiltinTypes.Int) as IntConstant;
                                if (sic == null){
-                                       Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc); ;
                                        return null;
                                }
                                int rshift_val = sic.Value;
@@ -941,8 +951,7 @@ namespace Mono.CSharp {
                                if (left.Type.BuiltinType == BuiltinTypeSpec.Type.Int)
                                        return new IntConstant (ec.BuiltinTypes, ((IntConstant) left).Value >> rshift_val, left.Location);
 
-                               Binary.Error_OperatorCannotBeApplied (ec, left, right, oper, loc);
-                               break;
+                               return null;
 
                        case Binary.Operator.Equality:
                                if (TypeSpec.IsReferenceType (lt) && TypeSpec.IsReferenceType (rt) ||
@@ -969,8 +978,8 @@ namespace Mono.CSharp {
                                        bool_res = ((DoubleConstant) left).Value ==
                                                ((DoubleConstant) right).Value;
                                else if (left is FloatConstant)
-                                       bool_res = ((FloatConstant) left).Value ==
-                                               ((FloatConstant) right).Value;
+                                       bool_res = ((FloatConstant) left).DoubleValue ==
+                                               ((FloatConstant) right).DoubleValue;
                                else if (left is ULongConstant)
                                        bool_res = ((ULongConstant) left).Value ==
                                                ((ULongConstant) right).Value;
@@ -1013,8 +1022,8 @@ namespace Mono.CSharp {
                                        bool_res = ((DoubleConstant) left).Value !=
                                                ((DoubleConstant) right).Value;
                                else if (left is FloatConstant)
-                                       bool_res = ((FloatConstant) left).Value !=
-                                               ((FloatConstant) right).Value;
+                                       bool_res = ((FloatConstant) left).DoubleValue !=
+                                               ((FloatConstant) right).DoubleValue;
                                else if (left is ULongConstant)
                                        bool_res = ((ULongConstant) left).Value !=
                                                ((ULongConstant) right).Value;
@@ -1049,8 +1058,8 @@ namespace Mono.CSharp {
                                        bool_res = ((DoubleConstant) left).Value <
                                                ((DoubleConstant) right).Value;
                                else if (left is FloatConstant)
-                                       bool_res = ((FloatConstant) left).Value <
-                                               ((FloatConstant) right).Value;
+                                       bool_res = ((FloatConstant) left).DoubleValue <
+                                               ((FloatConstant) right).DoubleValue;
                                else if (left is ULongConstant)
                                        bool_res = ((ULongConstant) left).Value <
                                                ((ULongConstant) right).Value;
@@ -1085,8 +1094,8 @@ namespace Mono.CSharp {
                                        bool_res = ((DoubleConstant) left).Value >
                                                ((DoubleConstant) right).Value;
                                else if (left is FloatConstant)
-                                       bool_res = ((FloatConstant) left).Value >
-                                               ((FloatConstant) right).Value;
+                                       bool_res = ((FloatConstant) left).DoubleValue >
+                                               ((FloatConstant) right).DoubleValue;
                                else if (left is ULongConstant)
                                        bool_res = ((ULongConstant) left).Value >
                                                ((ULongConstant) right).Value;
@@ -1121,8 +1130,8 @@ namespace Mono.CSharp {
                                        bool_res = ((DoubleConstant) left).Value >=
                                                ((DoubleConstant) right).Value;
                                else if (left is FloatConstant)
-                                       bool_res = ((FloatConstant) left).Value >=
-                                               ((FloatConstant) right).Value;
+                                       bool_res = ((FloatConstant) left).DoubleValue >=
+                                               ((FloatConstant) right).DoubleValue;
                                else if (left is ULongConstant)
                                        bool_res = ((ULongConstant) left).Value >=
                                                ((ULongConstant) right).Value;
@@ -1157,8 +1166,8 @@ namespace Mono.CSharp {
                                        bool_res = ((DoubleConstant) left).Value <=
                                                ((DoubleConstant) right).Value;
                                else if (left is FloatConstant)
-                                       bool_res = ((FloatConstant) left).Value <=
-                                               ((FloatConstant) right).Value;
+                                       bool_res = ((FloatConstant) left).DoubleValue <=
+                                               ((FloatConstant) right).DoubleValue;
                                else if (left is ULongConstant)
                                        bool_res = ((ULongConstant) left).Value <=
                                                ((ULongConstant) right).Value;
@@ -1176,7 +1185,7 @@ namespace Mono.CSharp {
 
                                return new BoolConstant (ec.BuiltinTypes, bool_res, left.Location);
                        }
-                                       
+
                        return null;
                }
        }