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OPSGenerator.cs
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OPSGenerator.cs
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using System;
using System.Collections.Generic;
namespace TAFL
{
public class OPSGenerator
{
private Stack<int> _marks = new Stack<int>();
private List<OPSElem> _OPS = new List<OPSElem>();
private int _k => _OPS.Count;
private Stack<int> _magazine = new Stack<int>();
private Stack<int> _generator = new Stack<int>();
private Lexeme _lexeme;
private OPSGenerator(){}
public static List<OPSElem> GenerateOPS(List<Lexeme> lexems)
{
var generator = new OPSGenerator();
return generator._GenerateOPS(lexems);
}
private List<OPSElem> _GenerateOPS(List<Lexeme> lexems)
{
bool Step(Lexeme lexeme)
{
_lexeme = lexeme;
if (_magazine.Count == 0) throw new Exception("Программа слишком длинная");
_comands[_generator.Pop()](this);
var current = _magazine.Pop();
if (current >= 33)
{
var ruleNumber = _table[current - 33, lexeme];
if (ruleNumber == -1) throw new Exception("Нет правила перехода");
var rule = _rules[ruleNumber];
for (int i = rule.Item1.Length - 1; i >= 0; i--)
{
_magazine.Push(rule.Item1[i]);
_generator.Push(rule.Item2[i]);
}
}
else
{
if ((int) lexeme.Type != current) throw new Exception("Ожидалась другая лексема");
return true;
}
return false;
}
_magazine.Push(32);
_magazine.Push(33);
_generator.Push(0);
_generator.Push(0);
foreach (var lexeme in lexems)
while (true)
if (Step(lexeme))
break;
while (_generator.Count != 0)
{
var lexeme = new Lexeme(LexemeType.EoF, _lexeme.Line, _lexeme.End, _lexeme.End);
Step(lexeme);
}
if (_magazine.Count != 0) throw new Exception("Программа закончилась преждевременно ");
return _OPS;
}
#region Переходы и команды генерации
private static int[,] _table =
{
{3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 4, 5, 6, 7, 0, 2, 1, 8, 0, },
{-1, -1, -1, -1, -1, -1, 11, 12, -1, -1, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{17, 18, -1, 14, -1, -1, -1, 16, -1, 20, 19, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{-1, -1, -1, -1, -1, -1, 21, -1, -1, 22, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 27, -1, -1, -1, 25, 26, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 0, 0, 0, },
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 29, -1, -1, -1, 31, 30, -1, -1, -1, -1, -1, },
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 32, -1, -1, -1, 33, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{38, 39, 0, 35, 0, 0, 0, 37, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{42, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{47, 48, -1, 44, -1, -1, -1, 46, -1, -1, 49, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 45, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{54, 55, -1, 51, -1, -1, -1, 53, -1, -1, 56, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 52, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 57, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{61, 62, -1, 58, -1, -1, -1, 60, -1, -1, 63, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 59, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68, 69, 64, 65, 66, 67, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{73, 74, -1, 70, -1, -1, -1, 72, -1, -1, 75, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 71, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 76, 77, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{81, 82, -1, 78, -1, -1, -1, 80, -1, -1, 83, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 79, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 84, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{89, 90, -1, 86, -1, -1, -1, 88, -1, -1, 91, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 87, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{93, 94, -1, -1, -1, -1, -1, 92, -1, -1, 95, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, },
{0, 0, 0, 0, 0, 0, 0, 96, 0, 0, 97, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{101, 102, 0, 98, 0, 0, 0, 100, 0, 0, 103, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
};
private static (int[], int[])[] _rules =
{
(new int[] { }, new int[] { }),
(new int[] {30, 0, 7, 38, 8, 40, 64, 33}, new int[] {0, 1, 23, 0, 24, 38, 32, 35}),
(new int[] {29, 0, 37, 33}, new int[] {0, 1, 27, 0}),
(new int[] {0, 34, 33}, new int[] {1, 0, 0}),
(new int[] {24, 47, 44, 9, 33}, new int[] {0, 0, 18, 0, 0}),
(new int[] {25, 45, 9, 33}, new int[] {0, 0, 20, 0}),
(new int[] {26, 49, 35, 33}, new int[] {36, 0, 33, 37}),
(new int[] {27, 49, 43, 41, 33}, new int[] {0, 0, 33, 0, 35}),
(new int[] {31, 36, 33}, new int[] {0, 0, 0}),
(new int[] {22, 33, 23, 33}, new int[] {29, 0, 30, 0}),
(new int[] {10, 49, 11, 48, 6, 49, 9}, new int[] {0, 0, 21, 0, 0, 0, 8}),
(new int[] {6, 49, 9}, new int[] {0, 0, 8}),
(new int[] {7, 62, 8, 9}, new int[] {25, 0, 26, 28}),
(new int[] {22, 33, 23}, new int[] {29, 0, 30}),
(new int[] {3, 60, 58, 56, 54, 52, 50, 9}, new int[] {0, 0, 5, 0, 0, 0, 0, 31}),
(new int[] {21, 60, 58, 56, 54, 52, 50, 9}, new int[] {0, 0, 17, 0, 0, 0, 0, 31}),
(new int[] {7, 49, 8, 58, 56, 54, 52, 50, 9}, new int[] {0, 0, 0, 0, 0, 0, 0, 0, 31}),
(new int[] {0, 61, 58, 56, 54, 52, 50, 9}, new int[] {1, 0, 0, 0, 0, 0, 0, 31}),
(new int[] {1, 58, 56, 54, 52, 50, 9}, new int[] {2, 0, 0, 0, 0, 0, 31}),
(new int[] {10, 49, 11, 58, 56, 54, 52, 50, 9}, new int[] {0, 0, 22, 0, 0, 0, 0, 0, 31}),
(new int[] {9}, new int[] {32}),
(new int[] {6, 49, 9}, new int[] {0, 0, 8}),
(new int[] {9}, new int[] {28}),
(new int[] {0, 39}, new int[] {1, 0}),
(new int[] {12, 0, 39}, new int[] {0, 1, 0}),
(new int[] {26, 49, 35, 64}, new int[] {36, 0, 33, 37}),
(new int[] {27, 49, 43, 41, 64}, new int[] {0, 0, 33, 0, 35}),
(new int[] {22, 33, 23}, new int[] {29, 0, 30}),
(new int[] {28, 42}, new int[] {34, 0}),
(new int[] {22, 33, 23}, new int[] {29, 0, 30}),
(new int[] {27, 49, 43, 41, 64}, new int[] {0, 0, 33, 0, 35}),
(new int[] {26, 49, 35, 64}, new int[] {36, 0, 33, 37}),
(new int[] {22, 33, 23}, new int[] {29, 0, 30}),
(new int[] {26, 49, 35, 64}, new int[] {36, 0, 33, 37}),
(new int[] {12, 47, 44}, new int[] {0, 0, 18}),
(new int[] {3, 60, 58, 56, 54, 52, 50, 46}, new int[] {0, 0, 5, 0, 0, 0, 0, 19}),
(new int[] {21, 60, 58, 56, 54, 52, 50, 46}, new int[] {0, 0, 15, 0, 0, 0, 0, 19}),
(new int[] {7, 49, 8, 58, 56, 54, 52, 50, 46}, new int[] {0, 0, 0, 0, 0, 0, 0, 0, 19}),
(new int[] {0, 61, 58, 56, 54, 52, 50, 46}, new int[] {1, 0, 0, 0, 0, 0, 0, 19}),
(new int[] {1, 58, 56, 54, 52, 50, 46}, new int[] {2, 0, 0, 0, 0, 0, 19}),
(new int[] {10, 49, 11, 58, 56, 54, 52, 50, 46}, new int[] {0, 0, 22, 0, 0, 0, 0, 0, 19}),
(new int[] {12, 49, 46}, new int[] {0, 0, 19}),
(new int[] {0, 48}, new int[] {1, 0}),
(new int[] {10, 49, 11, 48}, new int[] {0, 0, 21, 0}),
(new int[] {3, 60, 58, 56, 54, 52, 50}, new int[] {0, 0, 5, 0, 0, 0, 0}),
(new int[] {21, 60, 58, 56, 54, 52, 50}, new int[] {0, 0, 15, 0, 0, 0, 0}),
(new int[] {7, 49, 8, 58, 56, 54, 52, 50}, new int[] {0, 0, 0, 0, 0, 0, 0, 0}),
(new int[] {0, 61, 58, 56, 54, 52, 50}, new int[] {1, 0, 0, 0, 0, 0, 0}),
(new int[] {1, 58, 56, 54, 52, 50}, new int[] {2, 0, 0, 0, 0, 0}),
(new int[] {10, 49, 11, 58, 56, 54, 52, 50}, new int[] {0, 0, 22, 0, 0, 0, 0, 0}),
(new int[] {19, 51, 50}, new int[] {0, 0, 15}),
(new int[] {3, 60, 58, 56, 54, 52}, new int[] {0, 0, 5, 0, 0, 0}),
(new int[] {21, 60, 58, 56, 54, 52}, new int[] {0, 0, 17, 0, 0, 0}),
(new int[] {7, 49, 8, 58, 56, 54, 52}, new int[] {0, 0, 0, 0, 0, 0, 0}),
(new int[] {0, 61, 58, 56, 54, 52}, new int[] {1, 0, 0, 0, 0, 0}),
(new int[] {1, 58, 56, 54, 52}, new int[] {2, 0, 0, 0, 0}),
(new int[] {10, 49, 11, 58, 56, 54, 52}, new int[] {0, 0, 22, 0, 0, 0, 0}),
(new int[] {20, 53, 52}, new int[] {0, 0, 16}),
(new int[] {3, 60, 58, 56, 54}, new int[] {0, 0, 5, 0, 0}),
(new int[] {21, 60, 58, 56, 54}, new int[] {0, 0, 17, 0, 0}),
(new int[] {7, 49, 8, 58, 56, 54}, new int[] {0, 0, 0, 0, 0, 0}),
(new int[] {0, 61, 58, 56, 54}, new int[] {1, 0, 0, 0, 0}),
(new int[] {1, 58, 56, 54}, new int[] {2, 0, 0, 0}),
(new int[] {10, 49, 11, 58, 56, 54}, new int[] {0, 0, 22, 0, 0, 0}),
(new int[] {15, 55, 54}, new int[] {0, 0, 11}),
(new int[] {16, 55, 54}, new int[] {0, 0, 12}),
(new int[] {17, 55, 54}, new int[] {0, 0, 13}),
(new int[] {18, 55, 54}, new int[] {0, 0, 14}),
(new int[] {13, 55, 54}, new int[] {0, 0, 9}),
(new int[] {14, 55, 54}, new int[] {0, 0, 10}),
(new int[] {3, 60, 58, 56}, new int[] {0, 0, 5, 0}),
(new int[] {21, 60, 58, 56}, new int[] {0, 0, 17, 0}),
(new int[] {7, 49, 8, 58, 56}, new int[] {0, 0, 0, 0, 0}),
(new int[] {0, 61, 58, 56}, new int[] {1, 0, 0, 0}),
(new int[] {1, 58, 56}, new int[] {2, 0, 0}),
(new int[] {10, 49, 11, 58, 56}, new int[] {0, 0, 22, 0, 0}),
(new int[] {2, 57, 56}, new int[] {0, 0, 3}),
(new int[] {3, 57, 56}, new int[] {0, 0, 4}),
(new int[] {3, 60, 58}, new int[] {0, 0, 5}),
(new int[] {21, 60, 58}, new int[] {0, 0, 17}),
(new int[] {7, 49, 8, 58}, new int[] {0, 0, 0, 0}),
(new int[] {0, 61, 58}, new int[] {1, 0, 0}),
(new int[] {1, 58}, new int[] {2, 0}),
(new int[] {10, 49, 11, 58}, new int[] {0, 0, 22, 0}),
(new int[] {4, 59, 58}, new int[] {0, 0, 6}),
(new int[] {5, 59, 58}, new int[] {0, 0, 7}),
(new int[] {3, 60, 64}, new int[] {0, 0, 5}),
(new int[] {21, 60, 64}, new int[] {0, 0, 17}),
(new int[] {7, 49, 8}, new int[] {0, 0, 0}),
(new int[] {0, 61}, new int[] {1, 0}),
(new int[] {1}, new int[] {2}),
(new int[] {10, 49, 11}, new int[] {0, 0, 22}),
(new int[] {7, 49, 8}, new int[] {0, 0, 0}),
(new int[] {0, 61}, new int[] {1, 0}),
(new int[] {1}, new int[] {2}),
(new int[] {10, 49, 11}, new int[] {0, 0, 22}),
(new int[] {7, 62, 8}, new int[] {25, 0, 26}),
(new int[] {10, 49, 11, 48}, new int[] {0, 0, 21, 0}),
(new int[] {3, 60, 58, 56, 54, 52, 50, 63}, new int[] {0, 0, 5, 0, 0, 0, 0, 0}),
(new int[] {21, 60, 58, 56, 54, 52, 50, 63}, new int[] {0, 0, 15, 0, 0, 0, 0, 0}),
(new int[] {7, 49, 8, 58, 56, 54, 52, 50, 63}, new int[] {0, 0, 0, 0, 0, 0, 0, 0, 0}),
(new int[] {0, 61, 58, 56, 54, 52, 50, 63}, new int[] {1, 0, 0, 0, 0, 0, 0, 0}),
(new int[] {1, 58, 56, 54, 52, 50, 63}, new int[] {2, 0, 0, 0, 0, 0, 0}),
(new int[] {10, 49, 11, 58, 56, 54, 52, 50, 63}, new int[] {0, 0, 22, 0, 0, 0, 0, 0, 0}),
(new int[] {12, 49, 63}, new int[] {0, 0, 0}),
};
private delegate void Comand(OPSGenerator con);
private Comand[] _comands =
{
(con) => { },
(con) => con._OPS.Add(new OPSElem(1, con._lexeme.Word)),
(con) => con._OPS.Add(new OPSElem(2, value: con._lexeme.Value)),
(con) => con._OPS.Add(new OPSElem(3)),
(con) => con._OPS.Add(new OPSElem(4)),
(con) => con._OPS.Add(new OPSElem(5)),
(con) => con._OPS.Add(new OPSElem(6)),
(con) => con._OPS.Add(new OPSElem(7)),
(con) => con._OPS.Add(new OPSElem(8)),
(con) => con._OPS.Add(new OPSElem(9)),
(con) => con._OPS.Add(new OPSElem(10)),
(con) => con._OPS.Add(new OPSElem(11)),
(con) => con._OPS.Add(new OPSElem(12)),
(con) => con._OPS.Add(new OPSElem(13)),
(con) => con._OPS.Add(new OPSElem(14)),
(con) => con._OPS.Add(new OPSElem(15)),
(con) => con._OPS.Add(new OPSElem(16)),
(con) => con._OPS.Add(new OPSElem(17)),
(con) => con._OPS.Add(new OPSElem(18)),
(con) => con._OPS.Add(new OPSElem(19)),
(con) => con._OPS.Add(new OPSElem(20)),
(con) => con._OPS.Add(new OPSElem(21)),
(con) => con._OPS.Add(new OPSElem(22)),
(con) => con._OPS.Add(new OPSElem(23)),
(con) => con._OPS.Add(new OPSElem(24)),
(con) => con._OPS.Add(new OPSElem(25)),
(con) => con._OPS.Add(new OPSElem(26)),
(con) => con._OPS.Add(new OPSElem(27)),
(con) => con._OPS.Add(new OPSElem(28)),
(con) => con._OPS.Add(new OPSElem(29)),
(con) => con._OPS.Add(new OPSElem(30)),
(con) => con._OPS.Add(new OPSElem(31)),
(con) => con._OPS.Add(new OPSElem(32)),
(con) =>
{
con._marks.Push(con._k);
con._OPS.Add(new OPSElem(0));
con._OPS.Add(new OPSElem(33));
},
(con) =>
{
con._OPS[con._marks.Pop()] = new OPSElem(2, value: con._k + 2);
con._marks.Push(con._k);
con._OPS.Add(new OPSElem(0));
con._OPS.Add(new OPSElem(34));
},
(con) =>
{
con._OPS[con._marks.Pop()] = new OPSElem(2, value: con._k);
},
(con) =>
{
con._marks.Push(con._k);
},
(con) =>
{
con._OPS[con._marks.Pop()] = new OPSElem(2, value: con._k + 2);
con._OPS.Add(new OPSElem(2, value:con._marks.Pop()));
con._OPS.Add(new OPSElem(34));
},
(con) => {
con._marks.Push(con._k);
con._OPS.Add(new OPSElem(0));
con._OPS.Add(new OPSElem(34));
},
};
#endregion
}
}