Example #1
0
            public FieldSpec DefineInitializedData(byte[] data, Location loc)
            {
                Struct size_type;

                if (!size_types.TryGetValue(data.Length, out size_type))
                {
                    //
                    // Build common type for this data length. We cannot use
                    // DefineInitializedData because it creates public type,
                    // and its name is not unique among modules
                    //
                    size_type = new Struct(null, this, new MemberName("$ArrayType=" + data.Length, Location), Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED, null);
                    size_type.CreateType();
                    size_type.DefineType();

                    size_types.Add(data.Length, size_type);
                    var ctor = Module.PredefinedMembers.StructLayoutAttributeCtor.Resolve(Location);
                    if (ctor != null)
                    {
                        var argsEncoded = new AttributeEncoder();
                        argsEncoded.Encode((short)LayoutKind.Explicit);

                        var field_size = Module.PredefinedMembers.StructLayoutSize.Resolve(Location);
                        var pack       = Module.PredefinedMembers.StructLayoutPack.Resolve(Location);
                        if (field_size != null && pack != null)
                        {
                            argsEncoded.EncodeNamedArguments(
                                new[] { field_size, pack },
                                new[] { new IntConstant(Compiler.BuiltinTypes, (int)data.Length, Location), new IntConstant(Compiler.BuiltinTypes, 1, Location) }
                                );

                            size_type.TypeBuilder.SetCustomAttribute((ConstructorInfo)ctor.GetMetaInfo(), argsEncoded.ToArray());
                        }
                    }
                }

                var name = "$field-" + fields.ToString("X");

                ++fields;
                const Modifiers fmod     = Modifiers.STATIC | Modifiers.INTERNAL;
                var             fbuilder = TypeBuilder.DefineField(name, size_type.CurrentType.GetMetaInfo(), ModifiersExtensions.FieldAttr(fmod) | FieldAttributes.HasFieldRVA);

                fbuilder.__SetDataAndRVA(data);

                return(new FieldSpec(CurrentType, null, size_type.CurrentType, fbuilder, fmod));
            }
Example #2
0
        void EmitFieldSize(int buffer_size)
        {
            int type_size = BuiltinTypeSpec.GetSize(MemberType);

            if (buffer_size > int.MaxValue / type_size)
            {
                Report.Error(1664, Location, "Fixed size buffer `{0}' of length `{1}' and type `{2}' exceeded 2^31 limit",
                             GetSignatureForError(), buffer_size.ToString(), TypeManager.CSharpName(MemberType));
                return;
            }

            AttributeEncoder encoder;

            var ctor = Module.PredefinedMembers.StructLayoutAttributeCtor.Resolve(Location);

            if (ctor == null)
            {
                return;
            }

            var field_size    = Module.PredefinedMembers.StructLayoutSize.Resolve(Location);
            var field_charset = Module.PredefinedMembers.StructLayoutCharSet.Resolve(Location);

            if (field_size == null || field_charset == null)
            {
                return;
            }

            var char_set = CharSet ?? Module.DefaultCharSet ?? 0;

            encoder = new AttributeEncoder();
            encoder.Encode((short)LayoutKind.Sequential);
            encoder.EncodeNamedArguments(
                new [] { field_size, field_charset },
                new Constant [] {
                new IntConstant(Compiler.BuiltinTypes, buffer_size * type_size, Location),
                new IntConstant(Compiler.BuiltinTypes, (int)char_set, Location)
            }
                );

            fixed_buffer_type.SetCustomAttribute((ConstructorInfo)ctor.GetMetaInfo(), encoder.ToArray());

            //
            // Don't emit FixedBufferAttribute attribute for private types
            //
            if ((ModFlags & Modifiers.PRIVATE) != 0)
            {
                return;
            }

            ctor = Module.PredefinedMembers.FixedBufferAttributeCtor.Resolve(Location);
            if (ctor == null)
            {
                return;
            }

            encoder = new AttributeEncoder();
            encoder.EncodeTypeName(MemberType);
            encoder.Encode(buffer_size);
            encoder.EncodeEmptyNamedArguments();

            FieldBuilder.SetCustomAttribute((ConstructorInfo)ctor.GetMetaInfo(), encoder.ToArray());
        }
        void EmitFieldSize(int buffer_size)
        {
            int type_size = Expression.GetTypeSize(MemberType);

            if (buffer_size > int.MaxValue / type_size)
            {
                Report.Error(1664, Location, "Fixed size buffer `{0}' of length `{1}' and type `{2}' exceeded 2^31 limit",
                             GetSignatureForError(), buffer_size.ToString(), TypeManager.CSharpName(MemberType));
                return;
            }

            PredefinedAttribute pa;
            AttributeEncoder    encoder;

            pa = Module.PredefinedAttributes.StructLayout;
            if (pa.Constructor == null && !pa.ResolveConstructor(Location, TypeManager.short_type))
            {
                return;
            }

            var char_set_type = Module.PredefinedTypes.CharSet.Resolve(Location);

            if (char_set_type == null)
            {
                return;
            }

            var field_size    = pa.GetField("Size", TypeManager.int32_type, Location);
            var field_charset = pa.GetField("CharSet", char_set_type, Location);

            if (field_size == null || field_charset == null)
            {
                return;
            }

            var char_set = CharSet ?? Module.DefaultCharSet;

            encoder = new AttributeEncoder();
            encoder.Encode((short)LayoutKind.Sequential);
            encoder.EncodeNamedArguments(
                new [] { field_size, field_charset },
                new Constant [] { new IntConstant(buffer_size * type_size, Location), new IntConstant((int)char_set, Location) }
                );

            pa.EmitAttribute(fixed_buffer_type, encoder);

            //
            // Don't emit FixedBufferAttribute attribute for private types
            //
            if ((ModFlags & Modifiers.PRIVATE) != 0)
            {
                return;
            }

            pa = Module.PredefinedAttributes.FixedBuffer;
            if (pa.Constructor == null && !pa.ResolveConstructor(Location, TypeManager.type_type, TypeManager.int32_type))
            {
                return;
            }

            encoder = new AttributeEncoder();
            encoder.EncodeTypeName(MemberType);
            encoder.Encode(buffer_size);
            encoder.EncodeEmptyNamedArguments();

            pa.EmitAttribute(FieldBuilder, encoder);
        }
Example #4
0
            public FieldSpec DefineInitializedData(byte[] data, Location loc)
            {
                Struct size_type;

                if (!size_types.TryGetValue(data.Length, out size_type))
                {
                    //
                    // Build common type for this data length. We cannot use
                    // DefineInitializedData because it creates public type,
                    // and its name is not unique among modules
                    //
                    size_type = new Struct(null, this, new MemberName("$ArrayType=" + data.Length, Location), Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED, null);
                    size_type.CreateType();
                    size_type.DefineType();

                    size_types.Add(data.Length, size_type);

                    var pa = Module.PredefinedAttributes.StructLayout;
                    if (pa.Constructor != null || pa.ResolveConstructor(Location, TypeManager.short_type))
                    {
                        var argsEncoded = new AttributeEncoder();
                        argsEncoded.Encode((short)LayoutKind.Explicit);

                        var field_size = pa.GetField("Size", TypeManager.int32_type, Location);
                        var pack       = pa.GetField("Pack", TypeManager.int32_type, Location);
                        if (field_size != null)
                        {
                            argsEncoded.EncodeNamedArguments(
                                new[] { field_size, pack },
                                new[] { new IntConstant((int)data.Length, Location), new IntConstant(1, Location) }
                                );
                        }

                        pa.EmitAttribute(size_type.TypeBuilder, argsEncoded);
                    }
                }

                var name = "$field-" + fields.ToString("X");

                ++fields;
                const Modifiers fmod     = Modifiers.STATIC | Modifiers.INTERNAL;
                var             fbuilder = TypeBuilder.DefineField(name, size_type.CurrentType.GetMetaInfo(), ModifiersExtensions.FieldAttr(fmod) | FieldAttributes.HasFieldRVA);

#if STATIC
                fbuilder.__SetDataAndRVA(data);
#else
                if (set_data == null)
                {
                    set_data = typeof(FieldBuilder).GetMethod("SetRVAData", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
                }

                try
                {
                    set_data.Invoke(fbuilder, new object[] { data });
                }
                catch
                {
                    Report.RuntimeMissingSupport(loc, "SetRVAData");
                }
#endif

                return(new FieldSpec(CurrentType, null, size_type.CurrentType, fbuilder, fmod));
            }
Example #5
0
		void EmitFieldSize (int buffer_size)
		{
			int type_size = BuiltinTypeSpec.GetSize (MemberType);

			if (buffer_size > int.MaxValue / type_size) {
				Report.Error (1664, Location, "Fixed size buffer `{0}' of length `{1}' and type `{2}' exceeded 2^31 limit",
					GetSignatureForError (), buffer_size.ToString (), MemberType.GetSignatureForError ());
				return;
			}

			AttributeEncoder encoder;

			var ctor = Module.PredefinedMembers.StructLayoutAttributeCtor.Resolve (Location);
			if (ctor == null)
				return;

			var field_size = Module.PredefinedMembers.StructLayoutSize.Resolve (Location);
			var field_charset = Module.PredefinedMembers.StructLayoutCharSet.Resolve (Location);
			if (field_size == null || field_charset == null)
				return;

			var char_set = CharSet ?? Module.DefaultCharSet ?? 0;

			encoder = new AttributeEncoder ();
			encoder.Encode ((short)LayoutKind.Sequential);
			encoder.EncodeNamedArguments (
				new [] { field_size, field_charset },
				new Constant [] { 
					new IntConstant (Compiler.BuiltinTypes, buffer_size * type_size, Location),
					new IntConstant (Compiler.BuiltinTypes, (int) char_set, Location)
				}
			);

			fixed_buffer_type.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), encoder.ToArray ());

			//
			// Don't emit FixedBufferAttribute attribute for private types
			//
			if ((ModFlags & Modifiers.PRIVATE) != 0)
				return;

			ctor = Module.PredefinedMembers.FixedBufferAttributeCtor.Resolve (Location);
			if (ctor == null)
				return;

			encoder = new AttributeEncoder ();
			encoder.EncodeTypeName (MemberType);
			encoder.Encode (buffer_size);
			encoder.EncodeEmptyNamedArguments ();

			FieldBuilder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), encoder.ToArray ());
		}
Example #6
0
        void EmitFieldSize(int buffer_size)
        {
            int type_size = BuiltinTypeSpec.GetSize(MemberType);

            if (buffer_size > int.MaxValue / type_size)
            {
                Report.Error(1664, Location, "Fixed size buffer `{0}' of length `{1}' and type `{2}' exceeded 2^31 limit",
                             GetSignatureForError(), buffer_size.ToString(), MemberType.GetSignatureForError());
                return;
            }

            AttributeEncoder encoder;
            MethodSpec       ctor;

            var char_set = CharSetValue ?? Module.DefaultCharSet ?? 0;

#if STATIC
            //
            // Set struct layout without resolving StructLayoutAttribute which is not always available
            //

            TypeAttributes attribs = TypeAttributes.SequentialLayout;
            switch (char_set)
            {
            case CharSet.None:
            case CharSet.Ansi:
                attribs |= TypeAttributes.AnsiClass;
                break;

            case CharSet.Auto:
                attribs |= TypeAttributes.AutoClass;
                break;

            case CharSet.Unicode:
                attribs |= TypeAttributes.UnicodeClass;
                break;
            }

            fixed_buffer_type.__SetAttributes(fixed_buffer_type.Attributes | attribs);
            fixed_buffer_type.__SetLayout(0, buffer_size * type_size);
#else
            ctor = Module.PredefinedMembers.StructLayoutAttributeCtor.Resolve(Location);
            if (ctor == null)
            {
                return;
            }

            var field_size    = Module.PredefinedMembers.StructLayoutSize.Resolve(Location);
            var field_charset = Module.PredefinedMembers.StructLayoutCharSet.Resolve(Location);
            if (field_size == null || field_charset == null)
            {
                return;
            }

            encoder = new AttributeEncoder();
            encoder.Encode((short)LayoutKind.Sequential);
            encoder.EncodeNamedArguments(
                new [] { field_size, field_charset },
                new Constant [] {
                new IntConstant(Compiler.BuiltinTypes, buffer_size * type_size, Location),
                new IntConstant(Compiler.BuiltinTypes, (int)char_set, Location)
            }
                );

            fixed_buffer_type.SetCustomAttribute((ConstructorInfo)ctor.GetMetaInfo(), encoder.ToArray(out _));
#endif
            //
            // Don't emit FixedBufferAttribute attribute for private types
            //
            if ((ModFlags & Modifiers.PRIVATE) != 0)
            {
                return;
            }

            ctor = Module.PredefinedMembers.FixedBufferAttributeCtor.Resolve(Location);
            if (ctor == null)
            {
                return;
            }

            encoder = new AttributeEncoder();
            encoder.EncodeTypeName(MemberType);
            encoder.Encode(buffer_size);
            encoder.EncodeEmptyNamedArguments();

            FieldBuilder.SetCustomAttribute((ConstructorInfo)ctor.GetMetaInfo(), encoder.ToArray(out var references));
            Module.AddAssemblyReferences(references);
        }