Fix #73038.

[mono.git] / mcs / mcs / constant.cs

diff --git a/mcs/mcs/constant.cs b/mcs/mcs/constant.cs
index f736186801e94f66f2d9ee7d68874e8fc6aa5a09..5bf033542c8b157447e6075797ba921593f1e097 100644 (file)
--- a/mcs/mcs/constant.cs
+++ b/mcs/mcs/constant.cs
@@ -162,6 +162,10 @@ namespace Mono.CSharp {
                        return null;
                }
                
+               public abstract bool IsDefaultValue {
+                       get;
+               }
+
                public abstract bool IsNegative {
                        get;
                }
@@ -205,6 +209,12 @@ namespace Mono.CSharp {
                                ec.ig.Emit (OpCodes.Ldc_I4_0);
                }
        
+               public override bool IsDefaultValue {
+                       get {
+                               return !Value;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;
@@ -271,6 +281,12 @@ namespace Mono.CSharp {
                        return new IntConstant (Value);
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;
@@ -366,6 +382,12 @@ namespace Mono.CSharp {
                        return new IntConstant (Value);
                }
                
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;
@@ -435,6 +457,12 @@ namespace Mono.CSharp {
                        return new IntConstant (Value);
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return Value < 0;
@@ -500,6 +528,12 @@ namespace Mono.CSharp {
                {
                        return new IntConstant (Value);
                }
+
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
                
                public override bool IsZeroInteger {
                        get { return Value == 0; }
@@ -567,6 +601,12 @@ namespace Mono.CSharp {
                        return new IntConstant (Value);
                }
        
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;
@@ -695,6 +735,12 @@ namespace Mono.CSharp {
                {
                        return this;
                }
+
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
                
                public override bool IsNegative {
                        get {
@@ -762,6 +808,12 @@ namespace Mono.CSharp {
                        return null;
                }
                
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;
@@ -843,6 +895,12 @@ namespace Mono.CSharp {
                        return null;
                }
                
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return Value < 0;
@@ -911,6 +969,12 @@ namespace Mono.CSharp {
                        return null;
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;
@@ -972,6 +1036,12 @@ namespace Mono.CSharp {
                        return null;
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return Value < 0;
@@ -1034,6 +1104,12 @@ namespace Mono.CSharp {
                        return null;
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return Value < 0;
@@ -1094,6 +1170,12 @@ namespace Mono.CSharp {
                        ig.Emit (OpCodes.Newobj, TypeManager.void_decimal_ctor_five_args);
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == 0;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return Value < 0;
@@ -1130,6 +1212,12 @@ namespace Mono.CSharp {
                                ec.ig.Emit (OpCodes.Ldstr, Value);
                }
 
+               public override bool IsDefaultValue {
+                       get {
+                               return Value == null;
+                       }
+               }
+
                public override bool IsNegative {
                        get {
                                return false;