diff options
Diffstat (limited to 'mcs/mbas/modifiers.cs')
| -rw-r--r-- | mcs/mbas/modifiers.cs | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/mcs/mbas/modifiers.cs b/mcs/mbas/modifiers.cs deleted file mode 100644 index 4c114035836..00000000000 --- a/mcs/mbas/modifiers.cs +++ /dev/null @@ -1,231 +0,0 @@ -// -// modifiers.cs: Modifier handling. -// -using System; -using System.Reflection; - -namespace Mono.CSharp { - public class Modifiers { - - // - // The ordering of the following 4 constants - // has been carefully done. - // - public const int PROTECTED = 0x0001; - public const int PUBLIC = 0x0002; - public const int PRIVATE = 0x0004; - public const int INTERNAL = 0x0008; - public const int NEW = 0x0010; - public const int ABSTRACT = 0x0020; - public const int SEALED = 0x0040; - public const int STATIC = 0x0080; - public const int READONLY = 0x0100; - public const int VIRTUAL = 0x0200; - public const int OVERRIDE = 0x0400; - public const int EXTERN = 0x0800; - public const int VOLATILE = 0x1000; - public const int UNSAFE = 0x2000; - public const int TOP = 0x2000; - - public const int Accessibility = - PUBLIC | PROTECTED | INTERNAL | PRIVATE; - - static public string Name (int i) - { - string s = ""; - - switch (i) { - case Modifiers.NEW: - s = "new"; break; - case Modifiers.PUBLIC: - s = "public"; break; - case Modifiers.PROTECTED: - s = "protected"; break; - case Modifiers.INTERNAL: - s = "internal"; break; - case Modifiers.PRIVATE: - s = "private"; break; - case Modifiers.ABSTRACT: - s = "abstract"; break; - case Modifiers.SEALED: - s = "sealed"; break; - case Modifiers.STATIC: - s = "static"; break; - case Modifiers.READONLY: - s = "readonly"; break; - case Modifiers.VIRTUAL: - s = "virtual"; break; - case Modifiers.OVERRIDE: - s = "override"; break; - case Modifiers.EXTERN: - s = "extern"; break; - case Modifiers.VOLATILE: - s = "volatile"; break; - } - - return s; - } - - public static TypeAttributes TypeAttr (int mod_flags, TypeContainer caller) - { - TypeAttributes t = 0; - bool top_level = caller.IsTopLevel; - - if (top_level){ - if ((mod_flags & PUBLIC) != 0) - t |= TypeAttributes.Public; - 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; - } - - if ((mod_flags & SEALED) != 0) - t |= TypeAttributes.Sealed; - if ((mod_flags & ABSTRACT) != 0) - t |= TypeAttributes.Abstract; - - // If we do not have static constructors, static methods - // can be invoked without initializing the type. - if (!caller.HaveStaticConstructor) - t |= TypeAttributes.BeforeFieldInit; - - return t; - } - - public static FieldAttributes FieldAttr (int mod_flags) - { - FieldAttributes fa = 0; - - if ((mod_flags & PUBLIC) != 0) - fa |= FieldAttributes.Public; - if ((mod_flags & PRIVATE) != 0) - fa |= FieldAttributes.Private; - if ((mod_flags & PROTECTED) != 0){ - if ((mod_flags & INTERNAL) != 0) - fa |= FieldAttributes.FamORAssem; - else - fa |= FieldAttributes.Family; - } else { - if ((mod_flags & INTERNAL) != 0) - fa |= FieldAttributes.Assembly; - } - - if ((mod_flags & STATIC) != 0) - fa |= FieldAttributes.Static; - if ((mod_flags & READONLY) != 0) - fa |= FieldAttributes.InitOnly; - - return fa; - } - - public static MethodAttributes MethodAttr (int mod_flags) - { - MethodAttributes ma = 0; - - if ((mod_flags & PUBLIC) != 0) - ma |= MethodAttributes.Public; - if ((mod_flags & PRIVATE) != 0) - ma |= MethodAttributes.Private; - if ((mod_flags & PROTECTED) != 0){ - if ((mod_flags & INTERNAL) != 0) - ma |= MethodAttributes.FamORAssem; - else - ma |= MethodAttributes.Family; - } else { - if ((mod_flags & INTERNAL) != 0) - ma |= MethodAttributes.Assembly; - } - - if ((mod_flags & STATIC) != 0) - ma |= MethodAttributes.Static; - if ((mod_flags & ABSTRACT) != 0){ - ma |= MethodAttributes.Abstract | MethodAttributes.Virtual | - MethodAttributes.HideBySig; - } - if ((mod_flags & SEALED) != 0) - ma |= MethodAttributes.Final; - - if ((mod_flags & VIRTUAL) != 0) - ma |= MethodAttributes.Virtual; - - if ((mod_flags & OVERRIDE) != 0) - ma |= MethodAttributes.Virtual | MethodAttributes.HideBySig; - else { - if ((ma & MethodAttributes.Virtual) != 0) - ma |= MethodAttributes.NewSlot; - } - - if ((mod_flags & NEW) != 0) - ma |= MethodAttributes.HideBySig; - - return ma; - } - - // <summary> - // Checks the object @mod modifiers to be in @allowed. - // Returns the new mask. Side effect: reports any - // incorrect attributes. - // </summary> - public static int Check (int allowed, int mod, int def_access, Location l) - { - int invalid_flags = (~allowed) & mod; - int i; - - if (invalid_flags == 0){ - int a = mod; - - if ((mod & Modifiers.UNSAFE) != 0){ - if (!RootContext.Unsafe){ - Report.Error (227, l, - "Unsafe code requires the --unsafe command " + - "line option to be specified"); - } - } - - // - // If no accessibility bits provided - // then provide the defaults. - // - if ((mod & Accessibility) == 0){ - mod |= def_access; - return mod; - } - - // - // Make sure that no conflicting accessibility - // bits have been set. Protected+Internal is - // allowed, that is why they are placed on bits - // 1 and 4 (so the shift 3 basically merges them) - // - a &= 15; - a |= (a >> 3); - a = ((a & 2) >> 1) + (a & 5); - a = ((a & 4) >> 2) + (a & 3); - if (a > 1) - Report.Error (107, l, "More than one protection modifier specified"); - - return mod; - } - - for (i = 1; i < TOP; i <<= 1){ - if ((i & invalid_flags) == 0) - continue; - - Report.Error (106, l, "the modifier `" + Name (i) + - "' is not valid for this item"); - } - - return allowed & mod; - } - } -} |