public override void Reset()
{
this._state = State.START;
this._val = 0;
this._raw = "";
this._suffix = TokenInt.IntSuffix.NONE;
}
public FSAInt()
{
this._state = State.START;
this._val = 0;
this._raw = "";
this._suffix = TokenInt.IntSuffix.NONE;
}
public override void ReadChar(Char ch) {
this._raw += ch;
switch (this._state) {
case State.ERROR:
case State.END:
this._state = State.ERROR;
break;
case State.START:
if (ch == '0') {
this._state = State.Z;
} else if (Char.IsDigit(ch)) {
this._state = State.D;
this._val += ch - '0';
} else {
this._state = State.ERROR;
}
break;
case State.Z:
if (ch == 'x' || ch == 'X') {
this._state = State.ZX;
} else if (Utils.IsOctDigit(ch)) {
this._val *= 8;
this._val += ch - '0';
this._state = State.O;
} else if (ch == 'u' || ch == 'U') {
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
} else if (ch == 'l' || ch == 'L') {
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
} else {
this._state = State.END;
}
break;
case State.D:
if (Char.IsDigit(ch)) {
this._val *= 10;
this._val += ch - '0';
this._state = State.D;
} else if (ch == 'u' || ch == 'U') {
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
} else if (ch == 'l' || ch == 'L') {
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
} else {
this._state = State.END;
}
break;
case State.ZX:
if (Utils.IsHexDigit(ch)) {
this._val *= 0x10;
this._val += Utils.GetHexDigit(ch);
this._state = State.H;
} else {
this._state = State.ERROR;
}
break;
case State.O:
if (Utils.IsOctDigit(ch)) {
this._val *= 8;
this._val += ch - '0';
this._state = State.O;
} else if (ch == 'u' || ch == 'U') {
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
} else if (ch == 'l' || ch == 'L') {
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
} else {
this._state = State.END;
}
break;
case State.L:
if (ch == 'u' || ch == 'U') {
this._suffix = TokenInt.IntSuffix.UL;
this._state = State.UL;
} else {
this._state = State.END;
}
break;
case State.H:
if (Utils.IsHexDigit(ch)) {
this._val *= 0x10;
this._val += Utils.GetHexDigit(ch);
this._state = State.H;
} else if (ch == 'u' || ch == 'U') {
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
} else if (ch == 'l' || ch == 'L') {
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
} else {
this._state = State.END;
}
break;
case State.U:
if (ch == 'l' || ch == 'L') {
this._suffix = TokenInt.IntSuffix.UL;
this._state = State.UL;
} else {
this._state = State.END;
}
break;
case State.UL:
this._state = State.END;
break;
default:
this._state = State.ERROR;
break;
}
}
public override void Reset() {
this._state = State.START;
this._val = 0;
this._raw = "";
this._suffix = TokenInt.IntSuffix.NONE;
}
public FSAInt() {
this._state = State.START;
this._val = 0;
this._raw = "";
this._suffix = TokenInt.IntSuffix.NONE;
}
public override void ReadChar(Char ch)
{
this._raw += ch;
switch (this._state)
{
case State.ERROR:
case State.END:
this._state = State.ERROR;
break;
case State.START:
if (ch == '0')
{
this._state = State.Z;
}
else if (Char.IsDigit(ch))
{
this._state = State.D;
this._val += ch - '0';
}
else
{
this._state = State.ERROR;
}
break;
case State.Z:
if (ch == 'x' || ch == 'X')
{
this._state = State.ZX;
}
else if (Utils.IsOctDigit(ch))
{
this._val *= 8;
this._val += ch - '0';
this._state = State.O;
}
else if (ch == 'u' || ch == 'U')
{
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
}
else if (ch == 'l' || ch == 'L')
{
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
}
else
{
this._state = State.END;
}
break;
case State.D:
if (Char.IsDigit(ch))
{
this._val *= 10;
this._val += ch - '0';
this._state = State.D;
}
else if (ch == 'u' || ch == 'U')
{
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
}
else if (ch == 'l' || ch == 'L')
{
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
}
else
{
this._state = State.END;
}
break;
case State.ZX:
if (Utils.IsHexDigit(ch))
{
this._val *= 0x10;
this._val += Utils.GetHexDigit(ch);
this._state = State.H;
}
else
{
this._state = State.ERROR;
}
break;
case State.O:
if (Utils.IsOctDigit(ch))
{
this._val *= 8;
this._val += ch - '0';
this._state = State.O;
}
else if (ch == 'u' || ch == 'U')
{
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
}
else if (ch == 'l' || ch == 'L')
{
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
}
else
{
this._state = State.END;
}
break;
case State.L:
if (ch == 'u' || ch == 'U')
{
this._suffix = TokenInt.IntSuffix.UL;
this._state = State.UL;
}
else
{
this._state = State.END;
}
break;
case State.H:
if (Utils.IsHexDigit(ch))
{
this._val *= 0x10;
this._val += Utils.GetHexDigit(ch);
this._state = State.H;
}
else if (ch == 'u' || ch == 'U')
{
this._suffix = TokenInt.IntSuffix.U;
this._state = State.U;
}
else if (ch == 'l' || ch == 'L')
{
this._suffix = TokenInt.IntSuffix.L;
this._state = State.L;
}
else
{
this._state = State.END;
}
break;
case State.U:
if (ch == 'l' || ch == 'L')
{
this._suffix = TokenInt.IntSuffix.UL;
this._state = State.UL;
}
else
{
this._state = State.END;
}
break;
case State.UL:
this._state = State.END;
break;
default:
this._state = State.ERROR;
break;
}
}
public IntLiteral(Int64 value, TokenInt.IntSuffix suffix)
{
this.Value = value;
this.Suffix = suffix;
}
