System.Reflection.Emit.ILGenerator.MarkLabel C# (CSharp) Method

        public virtual void MarkLabel(System.Reflection.Emit.Label loc) { }
        public virtual void ThrowException(System.Type excType) { }

        public override void GenerateCode(ILGenerator codeGenerator, TypeBuilder typeBuilder, ModuleBuilder moduleBuilder)
        {
            Label forStart = codeGenerator.DefineLabel();
            Label forEnd = codeGenerator.DefineLabel();
            EndLabel = forEnd;

            InitExp.GenerateCode(codeGenerator, typeBuilder, moduleBuilder);

            UpperBoundExp.GenerateCode(codeGenerator, typeBuilder, moduleBuilder);

            codeGenerator.MarkLabel(forStart);

            codeGenerator.Emit(OpCodes.Dup);
            codeGenerator.Emit(OpCodes.Ldsfld, InitExp.ForVariableBuilder);
            codeGenerator.Emit(OpCodes.Blt, forEnd);

            BodyExp.GenerateCode(codeGenerator, typeBuilder, moduleBuilder);

            codeGenerator.Emit(OpCodes.Ldsfld, InitExp.ForVariableBuilder);
            codeGenerator.Emit(OpCodes.Ldc_I4_1);
            codeGenerator.Emit(OpCodes.Add);
            codeGenerator.Emit(OpCodes.Stsfld, InitExp.ForVariableBuilder);
            codeGenerator.Emit(OpCodes.Br, forStart);

            codeGenerator.MarkLabel(forEnd);

            codeGenerator.Emit(OpCodes.Pop);
            InitExp.RestoreVariable(codeGenerator);
        }