public static DFAState <Token, Function> AddState(DFAState <Token, Function> state)
{
if (state.Id >= States.Length)
{
int newLength;
if (state.Id < 2 * States.Length)
{
newLength = 2 * States.Length;
}
else
{
newLength = state.Id + 1;
}
DFAState <Token, Function>[] oldStates = States;
States = new DFAState <Token, Function> [newLength];
oldStates.CopyTo(States, 0);
}
if (States[state.Id] != null)
{
throw new DFAException("state.Id must be equal to States index!", 0, state.Id);
}
States[state.Id] = state;
return(state);
}
private static void InitNumericStates()
{
DFAState <int, LexicalFunction> s5 = AddState(new LexicalState(5, false)); //Numeric begin state;
DFAState <int, LexicalFunction> s6 = AddState(new LexicalState(6, false)); //Number dot state;
DFAState <int, LexicalFunction> s7 = AddState(new LexicalState(7, true, LexicalFunction.OutputNumeric)); //Number quit state;
//s0 [0-9] s5
s0.AddNextState('0', '9', s5.Id);
s0.AddNextState('０', '９', s5.Id);
//s5 [0-9] s5
s5.AddNextState('0', '9', s5.Id);
s5.AddNextState('０', '９', s5.Id);
//s5 [\.] s6
s5.AddNextState('.', s6.Id);
//s5 else s7 (integer)
s5.AddElseState(s7.Id);
//s6 [0-9] s6
s6.AddNextState('0', '9', s6.Id);
s6.AddNextState('０', '９', s6.Id);
//s6 else s7 (float)
s6.AddElseState(s7.Id);
}
private static void InitChineseStates()
{
DFAState <int, LexicalFunction> s8 = AddState(new LexicalState(8, false)); //Numeric begin state;
DFAState <int, LexicalFunction> s9 = AddState(new LexicalState(9, true, LexicalFunction.OutputChinese)); //Number quit state;
//s0 [4e00-9fa5] s5
s0.AddNextState(0x4e00, 0x9fa5, s8.Id);
s8.AddNextState(0x4e00, 0x9fa5, s8.Id);
s8.AddElseState(s9.Id);
}
private static void InitEndOfLineStates()
{
DFAState <int, LexicalFunction> s10 = AddState(new LexicalState(10, false)); //EOL begin state;
DFAState <int, LexicalFunction> s11 = AddState(new LexicalState(11, true, LexicalFunction.OutputEndOfLine)); //EOL quit state;
//s0 [ \t\r\n] s3
s0.AddNextState(new int[] { '\r', '\n' }, s10.Id);
//s3 [ \t\r\n] s3
s10.AddNextState(new int[] { '\r', '\n' }, s10.Id);
//s3 ^[ \t\r\n] s4
s10.AddElseState(s11.Id);
}
private static void InitSpaceStates()
{
DFAState <int, LexicalFunction> s3 = AddState(new LexicalState(3, false)); //Space begin state;
DFAState <int, LexicalFunction> s4 = AddState(new LexicalState(4, true, LexicalFunction.OutputSpace)); //Space quit state;
//s0 [ \t\r\n] s3
s0.AddNextState(new int[] { ' ', '\t' }, s3.Id);
//s3 [ \t\r\n] s3
s3.AddNextState(new int[] { ' ', '\t' }, s3.Id);
//s3 ^[ \t\r\n] s4
s3.AddElseState(s4.Id);
}
private static DFAState <int, LexicalFunction> sother = AddState(new LexicalState(255, true, LexicalFunction.Other)); //Start state;
private static void InitIdentifierStates()
{
DFAState <int, LexicalFunction> s1 = AddState(new LexicalState(1)); //Identifier begin state;
DFAState <int, LexicalFunction> s2 = AddState(new LexicalState(2, true, LexicalFunction.OutputIdentifier)); //Identifier quit state;
//s0 [_a-zA-Z] s1
s0.AddNextState('_', s1.Id);
s0.AddNextState('a', 'z', s1.Id);
s0.AddNextState('A', 'Z', s1.Id);
s0.AddNextState('ａ', 'ｚ', s1.Id);
s0.AddNextState('Ａ', 'Ｚ', s1.Id);
//s1 [_a-zA-Z0-9] s1
s1.AddNextState('_', s1.Id);
s1.AddNextState('a', 'z', s1.Id);
s1.AddNextState('A', 'Z', s1.Id);
s1.AddNextState('0', '9', s1.Id);
s1.AddNextState('ａ', 'ｚ', s1.Id);
s1.AddNextState('Ａ', 'Ｚ', s1.Id);
s1.AddNextState('０', '９', s1.Id);
//s1 ^[_a-zA-Z0-9] s2
s1.AddElseState(s2.Id);
}