Ejemplo n.º 1
0
        private static int CountCommas(LexList list, int rank, bool arrayIndexActualsAllowed)
        {
            Stack <string> stack = new Stack <string>();

            if (arrayIndexActualsAllowed)
            {
                int  saveIndex = list.Index - 1;
                bool finished  = false;
                while (!list.AtEnd() && !finished)
                {
                    switch (list.Str)
                    {
                    case ",": if (stack.Count == 0)
                        {
                            rank++;
                        }
                        break;

                    case "(": stack.Push(")"); break;

                    case "{": stack.Push("}"); break;

                    case "[": stack.Push("]"); break;

                    case ")":
                    case "}": if (stack.Pop() != list.Str)
                        {
                            list.ThrowException("Unbalanced brackets in array initialiser");
                        }
                        break;

                    case "]":
                        if (stack.Count == 0)
                        {
                            list.Prev();
                            finished = true;
                        }
                        else
                        {
                            if (stack.Pop() != list.Str)
                            {
                                list.ThrowException("Unbalanced brackets in array initialiser");
                            }
                        }
                        break;
                    }
                    list.Next();
                }
                list.Index = saveIndex;
            }
            else
            {
                while (list.Str == ",")
                {
                    list.Next();
                    rank++;
                }
            }
            return(rank);
        }
Ejemplo n.º 2
0
 // ClassVisibility = ( 'partial' 'class' | 'class' 'partial' ) .
 private void DoClassVisibility()
 {
     if (InputList.AtEnd())
     {
         InputList.ThrowException("Unexpected end of text.");
     }
     if (InputList.Str == "partial")
     {
         InputList.Next();
         InputList.CheckStrAndAdvance("class", "Expected a 'class' after the 'partial'.");
     }
     else if (InputList.Str == "class")
     {
         InputList.Next();
         InputList.CheckStrAndAdvance("partial", "Expected a 'partial' after the 'class'.");
     }
     else
     {
         InputList.ThrowException("Expected either a 'partial class' or a 'class partial' here.");
     }
 }
Ejemplo n.º 3
0
        public MakeClass AddMethodsAndFields(LexList list, bool overwriteAllowed)
        {
            if (InputList != null)
            {
                PreviousInputLists.Add(InputList);
            }
            InputList = list;
            Type varType = null;
            var  currentListOfMethods = new List <CompileMethod>();

            try {
                Crosslink();
                DoClassVisibility();
                DoClassType();
                InputList.CheckStrAndAdvance("{", "Expected an { after the class header.");
                while (true)
                {
                    if (InputList.Str == "}" && InputList.NextIsAtEnd())
                    {
                        break;
                    }
                    else if ((InputList.Str == "public" || InputList.Str == "private" || InputList.Str == "[") && !IsAFieldDefinition())
                    {
                        CompileNextMethodHeader(InputList, overwriteAllowed, currentListOfMethods);
                    }
                    else if ((InputList.Str == "public" || InputList.Str == "private") && IsAFieldDefinition())
                    {
                        InputList.Next();
                        varType = IsVarKind();
                        if (varType == null)
                        {
                            InputList.ThrowException("Unknown field type here");
                        }
                        CompileNextFieldDefinition(InputList, varType);
                    }
                    else if ((varType = IsVarKind()) != null)
                    {
                        CompileNextFieldDefinition(InputList, varType);
                    }
                    else
                    {
                        InputList.ThrowException("Expected either a 'public' or 'private' keyword (to start a method) or a type (to start a field declaration) here or the closing } of the class.");
                    }
                }
                InputList.CheckStrAndAdvance("}", "Expected a closing } here.");
                if (!InputList.AtEnd())
                {
                    InputList.ThrowException("Expected the end of the source text here.");
                }
                if (MadeFieldsDict.Count > 0)
                {
                    MakeFieldInitialiser(currentListOfMethods);
                }
                FinishClass(currentListOfMethods);
            } catch (LexListException lle) {
                throw lle;
            } catch (Exception ex) {
                list.CurrentToken().ThrowException(ex.Message, list);
            }
            return(this);
        }