void Init()
{
pos = -1; line = 1; col = 0; charPos = -1;
oldEols = 0;
NextCh();
if (ch == 0xEF) { // check optional byte order mark for UTF-8
NextCh(); int ch1 = ch;
NextCh(); int ch2 = ch;
if (ch1 != 0xBB || ch2 != 0xBF) {
throw new FatalError(String.Format("illegal byte order mark: EF {0,2:X} {1,2:X}", ch1, ch2));
}
buffer = new UTF8Buffer(buffer); col = 0; charPos = -1;
NextCh();
}
pt = tokens = new Token(); // first token is a dummy
}
Token NextToken()
{
while (ch == ' ' ||
ch >= 9 && ch <= 10 || ch == 13
) NextCh();
if (ch == '/' && Comment0() ||ch == '/' && Comment1()) return NextToken();
int apx = 0;
int recKind = noSym;
int recEnd = pos;
t = new Token();
t.pos = pos; t.col = col; t.line = line; t.charPos = charPos;
int state;
if (start.ContainsKey(ch)) { state = start[ch]; }
else { state = 0; }
tlen = 0; AddCh();
switch (state) {
case -1: { t.kind = eofSym; break; } // NextCh already done
case 0: {
if (recKind != noSym) {
tlen = recEnd - t.pos;
SetScannerBehindT();
}
t.kind = recKind; break;
} // NextCh already done
case 1:
if (ch == '.' || ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'Z' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 1;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {goto case 0;}
case 2:
{
tlen -= apx;
SetScannerBehindT();
t.kind = 1; break;}
case 3:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 5;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 4;}
else {goto case 0;}
case 4:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 5;}
else {goto case 0;}
case 5:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 5;}
else {t.kind = 2; break;}
case 6:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 7;}
else {goto case 0;}
case 7:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 7;}
else if (ch == 'E' || ch == 'e') {AddCh(); goto case 3;}
else {t.kind = 2; break;}
case 8:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 9;}
else {goto case 0;}
case 9:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 10;}
else {goto case 0;}
case 10:
if (ch == '-') {AddCh(); goto case 11;}
else {goto case 0;}
case 11:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 12;}
else {goto case 0;}
case 12:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 13;}
else {goto case 0;}
case 13:
recEnd = pos; recKind = 3;
if (ch == 'T') {AddCh(); goto case 14;}
else {t.kind = 3; break;}
case 14:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 15;}
else {goto case 0;}
case 15:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 16;}
else {goto case 0;}
case 16:
if (ch == ':') {AddCh(); goto case 17;}
else {goto case 0;}
case 17:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 18;}
else {goto case 0;}
case 18:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 19;}
else {goto case 0;}
case 19:
if (ch == ':') {AddCh(); goto case 20;}
else {goto case 0;}
case 20:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 21;}
else {goto case 0;}
case 21:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 22;}
else {goto case 0;}
case 22:
recEnd = pos; recKind = 3;
if (ch == '.') {AddCh(); goto case 23;}
else {t.kind = 3; break;}
case 23:
recEnd = pos; recKind = 3;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 23;}
else {t.kind = 3; break;}
case 24:
if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 24;}
else {goto case 0;}
case 25:
{t.kind = 4; break;}
case 26:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 28;}
else if (ch == '$') {AddCh(); goto case 27;}
else {goto case 0;}
case 27:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 28;}
else {goto case 0;}
case 28:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 28;}
else {t.kind = 5; break;}
case 29:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 31;}
else if (ch == '$') {AddCh(); goto case 30;}
else {goto case 0;}
case 30:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 31;}
else {goto case 0;}
case 31:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 31;}
else {t.kind = 5; break;}
case 32:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 34;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 33;}
else {goto case 0;}
case 33:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 34;}
else {goto case 0;}
case 34:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 34;}
else if (ch == ']') {AddCh(); goto case 35;}
else {goto case 0;}
case 35:
{t.kind = 8; break;}
case 36:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 38;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 37;}
else {goto case 0;}
case 37:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 38;}
else {goto case 0;}
case 38:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 38;}
else if (ch == ']') {AddCh(); goto case 39;}
else {goto case 0;}
case 39:
{t.kind = 11; break;}
case 40:
recEnd = pos; recKind = 13;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 40;}
else {t.kind = 13; break;}
case 41:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 43;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 42;}
else {goto case 0;}
case 42:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 43;}
else {goto case 0;}
case 43:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 43;}
else if (ch == ']') {AddCh(); goto case 44;}
else {goto case 0;}
case 44:
{t.kind = 14; break;}
case 45:
if (ch <= 9 || ch >= 11 && ch <= 12 || ch >= 14 && ch <= '!' || ch >= '#' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 45;}
else if (ch == '"') {AddCh(); goto case 46;}
else {goto case 0;}
case 46:
{t.kind = 15; break;}
case 47:
recEnd = pos; recKind = 16;
if (ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 47;}
else {t.kind = 16; break;}
case 48:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 53;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'D' || ch >= 'F' && ch <= 'Z' || ch >= 'a' && ch <= 'd' || ch >= 'f' && ch <= 'z') {AddCh(); goto case 24;}
else if (ch == 'E' || ch == 'e') {AddCh(); goto case 54;}
else if (ch == '.') {AddCh(); goto case 6;}
else {t.kind = 2; break;}
case 49:
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 55;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch == '$') {AddCh(); goto case 27;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {goto case 0;}
case 50:
if (ch >= 'J' && ch <= 'Z' || ch >= 'j' && ch <= 'z') {AddCh(); goto case 26;}
else if (ch >= 'A' && ch <= 'I' || ch >= 'a' && ch <= 'i') {AddCh(); goto case 57;}
else {goto case 0;}
case 51:
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 55;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch == '$') {AddCh(); goto case 27;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 58;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {goto case 0;}
case 52:
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 59;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch == '$') {AddCh(); goto case 27;}
else if (ch >= 'A' && ch <= 'B' || ch >= 'D' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else if (ch == 'C') {AddCh(); goto case 60;}
else if (ch == '[') {AddCh(); goto case 61;}
else {goto case 0;}
case 53:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 62;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'D' || ch >= 'F' && ch <= 'Z' || ch >= 'a' && ch <= 'd' || ch >= 'f' && ch <= 'z') {AddCh(); goto case 24;}
else if (ch == 'E' || ch == 'e') {AddCh(); goto case 54;}
else if (ch == '.') {AddCh(); goto case 6;}
else {t.kind = 2; break;}
case 54:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 63;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 24;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 4;}
else {goto case 0;}
case 55:
recEnd = pos; recKind = 5;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 55;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {t.kind = 5; break;}
case 56:
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {goto case 0;}
case 57:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 28;}
else if (ch == '$') {AddCh(); goto case 27;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 29;}
else {goto case 0;}
case 58:
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 64;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch == '$') {AddCh(); goto case 30;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {goto case 0;}
case 59:
recEnd = pos; recKind = 5;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 59;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'B' || ch >= 'D' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else if (ch == 'C') {AddCh(); goto case 65;}
else {t.kind = 5; break;}
case 60:
recEnd = pos; recKind = 6;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 66;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else if (ch == '[') {AddCh(); goto case 32;}
else {t.kind = 6; break;}
case 61:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 67;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 68;}
else {goto case 0;}
case 62:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 69;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'D' || ch >= 'F' && ch <= 'Z' || ch >= 'a' && ch <= 'd' || ch >= 'f' && ch <= 'z') {AddCh(); goto case 24;}
else if (ch == 'E' || ch == 'e') {AddCh(); goto case 54;}
else if (ch == '.') {AddCh(); goto case 6;}
else {t.kind = 2; break;}
case 63:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 63;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 24;}
else {t.kind = 2; break;}
case 64:
recEnd = pos; recKind = 5;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 64;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {t.kind = 5; break;}
case 65:
recEnd = pos; recKind = 9;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 70;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else if (ch == '[') {AddCh(); goto case 36;}
else {t.kind = 9; break;}
case 66:
recEnd = pos; recKind = 7;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 66;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {t.kind = 7; break;}
case 67:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 67;}
else if (ch == ']') {AddCh(); goto case 71;}
else {goto case 0;}
case 68:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 67;}
else {goto case 0;}
case 69:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 72;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'D' || ch >= 'F' && ch <= 'Z' || ch >= 'a' && ch <= 'd' || ch >= 'f' && ch <= 'z') {AddCh(); goto case 24;}
else if (ch == 'E' || ch == 'e') {AddCh(); goto case 54;}
else if (ch == '.') {AddCh(); goto case 6;}
else if (ch == '-') {AddCh(); goto case 8;}
else {t.kind = 2; break;}
case 70:
recEnd = pos; recKind = 10;
if (ch == '.' || ch == '_') {AddCh(); goto case 1;}
else if (ch >= '0' && ch <= '9') {AddCh(); goto case 70;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 56;}
else if (ch == '(') {apx++; AddCh(); goto case 2;}
else {t.kind = 10; break;}
case 71:
if (ch == 'C') {AddCh(); goto case 73;}
else {goto case 0;}
case 72:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 72;}
else if (ch == '!') {AddCh(); goto case 25;}
else if (ch >= 'A' && ch <= 'D' || ch >= 'F' && ch <= 'Z' || ch >= 'a' && ch <= 'd' || ch >= 'f' && ch <= 'z') {AddCh(); goto case 24;}
else if (ch == 'E' || ch == 'e') {AddCh(); goto case 54;}
else if (ch == '.') {AddCh(); goto case 6;}
else {t.kind = 2; break;}
case 73:
recEnd = pos; recKind = 12;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 40;}
else if (ch == '[') {AddCh(); goto case 41;}
else {t.kind = 12; break;}
case 74:
{t.kind = 17; break;}
case 75:
{t.kind = 18; break;}
case 76:
{t.kind = 19; break;}
case 77:
{t.kind = 20; break;}
case 78:
{t.kind = 21; break;}
case 79:
{t.kind = 23; break;}
case 80:
{t.kind = 25; break;}
case 81:
{t.kind = 26; break;}
case 82:
{t.kind = 27; break;}
case 83:
{t.kind = 28; break;}
case 84:
{t.kind = 29; break;}
case 85:
{t.kind = 30; break;}
case 86:
{t.kind = 31; break;}
case 87:
{t.kind = 32; break;}
case 88:
{t.kind = 33; break;}
case 89:
recEnd = pos; recKind = 22;
if (ch == '>') {AddCh(); goto case 78;}
else if (ch == '=') {AddCh(); goto case 79;}
else {t.kind = 22; break;}
case 90:
recEnd = pos; recKind = 24;
if (ch == '=') {AddCh(); goto case 80;}
else {t.kind = 24; break;}
}
t.val = new String(tval, 0, tlen);
return t;
}
// get the next token (possibly a token already seen during peeking)
public Token Scan()
{
if (tokens.next == null) {
return NextToken();
} else {
pt = tokens = tokens.next;
return tokens;
}
}
// make sure that peeking starts at the current scan position
public void ResetPeek()
{
pt = tokens;
}
// peek for the next token, ignore pragmas
public Token Peek()
{
do {
if (pt.next == null) {
pt.next = NextToken();
}
pt = pt.next;
} while (pt.kind > maxT); // skip pragmas
return pt;
}
void Get()
{
for (;;) {
t = la;
la = scanner.Scan();
if (la.kind <= maxT) { ++errDist; break; }
la = t;
}
}
public void Parse()
{
la = new Token();
la.val = "";
Get();
CellContents();
Expect(0);
}
