public SpellburstCompileError PreProcess()
{
string[] sa = Code.Replace(Environment.NewLine, "\n").Split('\n');
//行数過多
if (sa.Length >= 8)
{
return(new SpellburstCompileError(ErrorType.TooManyNewLine));
}
//禁止ワード
if (ContainsFWords(Code))
{
return(new SpellburstCompileError(ErrorType.FWord));
}
//解釈処理
Code = string.Join("", sa);
var iter = new SpellburstIterator(Code);
var queue = new Queue <SpellCode>();
var i = new[] { SpellCode.None };
while ((i = iter.NextCode()) != null)
{
queue.EnqueueRange(i);
}
Interpreter.Codes = new List <SpellCode>(queue);
//Console.WriteLine(queue.Select(e => e.ToString()).Aggregate(",", (s, e) => s += e + ","));
var mode = ReadMode.WaitIMP;
var IMP = new SpellburstIMP();
var Command = new SpellburstCommand();
var Number = new SpellburstNumber();
var Label = new SpellburstLabel();
var ProgramCounter = 0;
var SubroutineCall = 0;
var SubroutineEnd = 0;
var LabelTemp = 0;
var labelDict = new Dictionary <string, int>();
var labelJumpDict = new List <string>();
Action reset = () => { IMP.Reset(); Command.Reset(); Number.Reset(); Label.Reset(); };
while (queue.Count != 0)
{
var first = queue.Dequeue();
switch (mode)
{
case ReadMode.WaitIMP:
IMP.AddIMP(first);
if (IMP.IsEqualTo("S"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("N"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("TS"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("TN"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("TT"))
{
mode = ReadMode.WaitCommand;
}
break;
case ReadMode.WaitCommand:
Command.AddCommand(first);
//楽なのを先に処理
if (IMP.IsEqualTo("TT"))
{
if (Command.IsEqualTo("S"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("T"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("N"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
}
//ここから本題
if (IMP.IsEqualTo("S"))
{
if (Command.IsEqualTo("S"))
{
mode = ReadMode.InputInteger;
}
if (Command.IsEqualTo("NS"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("NT"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("NN"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("T"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
}
if (IMP.IsEqualTo("TS"))
{
if (Command.IsEqualTo("SS"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("ST"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("SN"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("TS"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("TT"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("TN"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
if (Command.IsEqualTo("N"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
}
if (IMP.IsEqualTo("N"))
{
if (Command.IsEqualTo("SS"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
if (Command.IsEqualTo("ST"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
if (Command.IsEqualTo("SN"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
if (Command.IsEqualTo("TS"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
if (Command.IsEqualTo("TT"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
if (Command.IsEqualTo("TN"))
{
mode = ReadMode.WaitIMP; SubroutineEnd++; reset();
}
if (Command.IsEqualTo("NN"))
{
mode = ReadMode.Finish;
}
if (Command.IsEqualTo("NS"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
if (Command.IsEqualTo("NT"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
//labelJumpDict
}
if (IMP.IsEqualTo("TN"))
{
if (Command.IsEqualTo("SS"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("ST"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("TS"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("TN"))
{
mode = ReadMode.WaitIMP; reset();
}
if (Command.IsEqualTo("SN"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
if (Command.IsEqualTo("TT"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
if (Command.IsEqualTo("N"))
{
return(new SpellburstCompileError(ErrorType.CommandNotFound, ProgramCounter));
}
}
break;
case ReadMode.InputInteger:
if (first.Equals(SpellCode.NewLine))
{
//スタックに数値をpushする(preprocessなのでしない)
mode = ReadMode.WaitIMP;
reset();
break;
}
Number.AddNumber(first);
break;
case ReadMode.InputLabel:
if (first.Equals(SpellCode.NewLine))
{
//ラベル定義
if (Command.IsEqualTo("SS"))
{
if (labelDict.ContainsKey(Label.Result))
{
return(new SpellburstCompileError(ErrorType.LabelIsAlreadyDefined));
}
labelDict.Add(Label.Result, LabelTemp);
}
//サブルーチン呼び出し
if (Command.IsEqualTo("ST"))
{
labelJumpDict.Add(Label.Result);
SubroutineCall++;
}
//無条件ジャンプ
if (Command.IsEqualTo("SN"))
{
labelJumpDict.Add(Label.Result);
}
//ゼロならジャンプ
if (Command.IsEqualTo("TS"))
{
labelJumpDict.Add(Label.Result);
}
//負ならジャンプ
if (Command.IsEqualTo("TT"))
{
labelJumpDict.Add(Label.Result);
}
mode = ReadMode.WaitIMP;
reset();
}
Label.Add(first);
break;
case ReadMode.Finish:
queue.Clear();
break;
}
ProgramCounter++;
}
foreach (var l in labelJumpDict)
{
if (!labelDict.ContainsKey(l))
{
return(new SpellburstCompileError(ErrorType.InvalidLabelJump));
}
}
Interpreter.LabelDict = new Dictionary <string, int>(labelDict);
return(new SpellburstCompileError(ErrorType.Success));
}
public SpellburstRuntimeError Run()
{
var mode = ReadMode.WaitIMP;
var IMP = new SpellburstIMP();
var Command = new SpellburstCommand();
var Number = new SpellburstNumber();
var Label = new SpellburstLabel();
var ProgramCounter = 0;
var RoutineMaxDepth = 31;
var RoutineNowDepth = 0;
var LabelTemp = 0;
Action reset = () => { IMP.Reset(); Command.Reset(); Number.Reset(); Label.Reset(); mode = ReadMode.WaitIMP; };
while (Codes.Count != 0)
{
if (ProgramCounter >= Codes.Count)
{
break;
}
var first = Codes[ProgramCounter];
switch (mode)
{
case ReadMode.WaitIMP:
IMP.AddIMP(first);
if (IMP.IsEqualTo("S"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("N"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("TS"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("TN"))
{
mode = ReadMode.WaitCommand;
}
if (IMP.IsEqualTo("TT"))
{
mode = ReadMode.WaitCommand;
}
break;
case ReadMode.WaitCommand:
Command.AddCommand(first);
//楽なのを先に処理
if (IMP.IsEqualTo("TT"))
{
//スタックの値をアドレスに格納
if (Command.IsEqualTo("S"))
{
if (CheckStackEmpty())
{
return(new SpellburstRuntimeError(ErrorType.StackIsEmpty));
}
Heap = IntegerStack.Peek();
reset();
}
//アドレスの値をスタックに積む
if (Command.IsEqualTo("T"))
{
IntegerStack.Push(Heap);
reset();
}
}
//ここから本題
//スタック操作
if (IMP.IsEqualTo("S"))
{
//数値をスタックにプッシュ(ReadMode.InputIntegerの方で処理は行う)
if (Command.IsEqualTo("S"))
{
mode = ReadMode.InputInteger;
}
//スタックトップを複製
if (Command.IsEqualTo("NS"))
{
IntegerStack.Push(IntegerStack.Peek());
reset();
}
//スタックの1番目と2番目を交換
if (Command.IsEqualTo("NT"))
{
var e1 = IntegerStack.Pop();
var e2 = IntegerStack.Pop();
IntegerStack.Push(e1);
IntegerStack.Push(e2);
reset();
}
//スタックトップを破棄
if (Command.IsEqualTo("NN"))
{
IntegerStack.Pop();
reset();
}
}
//四則演算+余
if (IMP.IsEqualTo("TS"))
{
//加減乗除余
if (Command.IsEqualTo("SS"))
{
Calc((e1, e2) => e1 + e2);
reset();
}
if (Command.IsEqualTo("ST"))
{
Calc((e1, e2) => e1 - e2);
reset();
}
if (Command.IsEqualTo("SN"))
{
Calc((e1, e2) => e1 * e2);
reset();
}
if (Command.IsEqualTo("TS"))
{
Calc((e1, e2) => e1 / e2);
reset();
}
if (Command.IsEqualTo("TT"))
{
Calc((e1, e2) => e1 % e2);
reset();
}
}
//ラベル
if (IMP.IsEqualTo("N"))
{
//ラベル定義
if (Command.IsEqualTo("SS"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
//サブルーチン呼び出し
if (Command.IsEqualTo("ST"))
{
//階層チェック
if (++RoutineNowDepth > RoutineMaxDepth)
{
return(new SpellburstRuntimeError(ErrorType.SubRoutineLevelTooDeep));
}
mode = ReadMode.InputLabel;
LabelTemp = ProgramCounter;
}
//無条件ジャンプ
if (Command.IsEqualTo("SN"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
//スタックトップがゼロならジャンプ
if (Command.IsEqualTo("TS"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
//スタックトップが負ならジャンプ
if (Command.IsEqualTo("TT"))
{
mode = ReadMode.InputLabel; LabelTemp = ProgramCounter;
}
//サブルーチン終了
if (Command.IsEqualTo("TN"))
{
//階層チェック
if (--RoutineNowDepth < 0)
{
return(new SpellburstRuntimeError(ErrorType.ReturnInNonSubroutine));
}
ProgramCounter = CallFrom.Pop();
reset();
}
//プログラム終了
if (Command.IsEqualTo("NN"))
{
mode = ReadMode.Finish;
}
}
//入出力
if (IMP.IsEqualTo("TN"))
{
//スタックトップの文字を出力
if (Command.IsEqualTo("SS"))
{
var e = IntegerStack.Peek();
Console.Write(Convert.ToChar(e));
reset();
}
//スタックトップの数値を出力
if (Command.IsEqualTo("ST"))
{
var e = IntegerStack.Peek();
Console.Write(e);
reset();
}
//文字を読み込みアドレスに格納
if (Command.IsEqualTo("TS"))
{
Heap = Console.Read();
reset();
}
//数値を読み込みアドレスに格納
if (Command.IsEqualTo("TN"))
{
Heap = int.Parse(Console.ReadLine());
reset();
}
}
break;
case ReadMode.InputInteger:
if (first.Equals(SpellCode.NewLine))
{
//スタックに数値をpushする(preprocessなのでしない)
IntegerStack.Push(Number.Result);
reset();
}
Number.AddNumber(first);
break;
case ReadMode.InputLabel:
if (first.Equals(SpellCode.NewLine))
{
//ラベル定義
if (Command.IsEqualTo("SS"))
{
//何もしない
}
//サブルーチン呼び出し
if (Command.IsEqualTo("ST"))
{
var row = LabelDict[Label.Result] - 1;
CallFrom.Push(ProgramCounter);
ProgramCounter = row;
}
//無条件ジャンプ
if (Command.IsEqualTo("SN"))
{
ProgramCounter = LabelDict[Label.Result] - 1;
}
//ゼロならジャンプ
if (Command.IsEqualTo("TS"))
{
if (IntegerStack.Peek() == 0)
{
ProgramCounter = LabelDict[Label.Result] - 1;
}
}
//負ならジャンプ
if (Command.IsEqualTo("TT"))
{
if (IntegerStack.Peek() < 0)
{
ProgramCounter = LabelDict[Label.Result] - 1;
}
}
reset();
}
Label.Add(first);
break;
case ReadMode.Finish:
Codes.Clear();
break;
}
ProgramCounter++;
}
return(new SpellburstRuntimeError(ErrorType.Success));
}
