2009-03-26 Carlos Alberto Cortez <calberto.cortez@gmail.com>
[mono.git] / mcs / mcs / modifiers.cs
index a430171adb35f81487ea9acba885a7bca4ba749e..61ff6e47de8348ef791e9cac0928521f87b48389 100644 (file)
@@ -25,15 +25,19 @@ namespace Mono.CSharp {
                public const int EXTERN    = 0x0800;
                public const int VOLATILE  = 0x1000;
                public const int UNSAFE    = 0x2000;
-               public const int TOP       = 0x2000;
+               private const int TOP      = 0x4000;
 
                public const int PROPERTY_CUSTOM = 0x4000; // Custom property modifier
 
                //
-               // We use this internally to flag that the method contains an iterator
+               // Compiler specific flags
                //
-               public const int METHOD_YIELDS = 0x8000;
-               public const int METHOD_GENERIC = 0x10000;
+               public const int PARTIAL                                = 0x20000;
+               public const int DEFAULT_ACCESS_MODIFER = 0x40000;
+               public const int METHOD_EXTENSION               = 0x80000;
+               public const int COMPILER_GENERATED             = 0x100000;
+               public const int BACKING_FIELD                  = 0x200000;
+               public const int DEBUGGER_HIDDEN                = 0x400000;
 
                public const int Accessibility =
                        PUBLIC | PROTECTED | INTERNAL | PRIVATE;
@@ -80,19 +84,21 @@ namespace Mono.CSharp {
 
                public static string GetDescription (MethodAttributes ma)
                {
-                       if ((ma & MethodAttributes.Assembly) != 0)
+                       ma &= MethodAttributes.MemberAccessMask;
+
+                       if (ma == MethodAttributes.Assembly)
                                return "internal";
 
-                       if ((ma & MethodAttributes.Family) != 0)
+                       if (ma == MethodAttributes.Family)
                                return "protected";
 
-                       if ((ma & MethodAttributes.Public) != 0)
+                       if (ma == MethodAttributes.Public)
                                return "public";
 
-                       if ((ma & MethodAttributes.FamANDAssem) != 0)
+                       if (ma == MethodAttributes.FamORAssem)
                                return "protected internal";
 
-                       if ((ma & MethodAttributes.Private) != 0)
+                       if (ma == MethodAttributes.Private)
                                return "private";
 
                        throw new NotImplementedException (ma.ToString ());
@@ -104,20 +110,20 @@ namespace Mono.CSharp {
 
                        if (is_toplevel){
                                if ((mod_flags & PUBLIC) != 0)
-                                       t |= TypeAttributes.Public;
-                               if ((mod_flags & PRIVATE) != 0)
-                                       t |= TypeAttributes.NotPublic;
+                                       t = TypeAttributes.Public;
+                               else if ((mod_flags & PRIVATE) != 0)
+                                       t = TypeAttributes.NotPublic;
                        } else {
                                if ((mod_flags & PUBLIC) != 0)
-                                       t |= TypeAttributes.NestedPublic;
-                               if ((mod_flags & PRIVATE) != 0)
-                                       t |= TypeAttributes.NestedPrivate;
-                               if ((mod_flags & PROTECTED) != 0 && (mod_flags & INTERNAL) != 0)
-                                       t |= TypeAttributes.NestedFamORAssem;
-                               if ((mod_flags & PROTECTED) != 0)
-                                       t |= TypeAttributes.NestedFamily;
-                               if ((mod_flags & INTERNAL) != 0)
-                                       t |= TypeAttributes.NestedAssembly;
+                                       t = TypeAttributes.NestedPublic;
+                               else if ((mod_flags & PRIVATE) != 0)
+                                       t = TypeAttributes.NestedPrivate;
+                               else if ((mod_flags & (PROTECTED | INTERNAL)) == (PROTECTED | INTERNAL))
+                                       t = TypeAttributes.NestedFamORAssem;
+                               else if ((mod_flags & PROTECTED) != 0)
+                                       t = TypeAttributes.NestedFamily;
+                               else if ((mod_flags & INTERNAL) != 0)
+                                       t = TypeAttributes.NestedAssembly;
                        }
                        
                        if ((mod_flags & SEALED) != 0)
@@ -127,19 +133,6 @@ namespace Mono.CSharp {
 
                        return t;
                }
-               
-               public static TypeAttributes TypeAttr (int mod_flags, TypeContainer caller)
-               {
-                       TypeAttributes t = TypeAttr (mod_flags, caller.IsTopLevel);
-
-                       // If we do not have static constructors, static methods
-                       // can be invoked without initializing the type.
-                       if (!caller.UserDefinedStaticConstructor &&
-                           (caller.Kind != Kind.Interface))
-                               t |= TypeAttributes.BeforeFieldInit;
-                               
-                       return t;
-               }
 
                public static FieldAttributes FieldAttr (int mod_flags)
                {
@@ -173,9 +166,9 @@ namespace Mono.CSharp {
 
                        if ((mod_flags & PUBLIC) != 0)
                                ma |= MethodAttributes.Public;
-                       if ((mod_flags & PRIVATE) != 0)
+                       else if ((mod_flags & PRIVATE) != 0)
                                ma |= MethodAttributes.Private;
-                       if ((mod_flags & PROTECTED) != 0){
+                       else if ((mod_flags & PROTECTED) != 0){
                                if ((mod_flags & INTERNAL) != 0)
                                        ma |= MethodAttributes.FamORAssem;
                                else 
@@ -213,7 +206,7 @@ namespace Mono.CSharp {
                // </summary>
                public static int Check (int allowed, int mod, int def_access, Location l)
                {
-                       int invalid_flags  = (~allowed) & mod;
+                       int invalid_flags  = (~allowed) & (mod & (Modifiers.TOP - 1));
                        int i;
 
                        if (invalid_flags == 0){
@@ -229,6 +222,8 @@ namespace Mono.CSharp {
                                //
                                if ((mod & Accessibility) == 0){
                                        mod |= def_access;
+                                       if (def_access != 0)
+                                               mod |= DEFAULT_ACCESS_MODIFER;
                                        return mod;
                                }