void Get () {
for (;;) {
t = la;
la = scanner.Scan();
if (la.kind <= maxT) { ++errDist; break; }
la = t;
}
}
// 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;
}
// 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;
}
}
Token NextToken() {
while (ch == ' ' ||
ch >= 9 && ch <= 10 || ch == 13 || ch == 160 || ch == 173
) NextCh();
if (ch == '/' && Comment0() ||ch == '/' && Comment1()) return NextToken();
int recKind = noSym;
int recEnd = pos;
t = new Token();
t.pos = pos; t.col = col; t.line = line; t.origin = origin;
int state;
start.TryGetValue(ch, out state);
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:
recEnd = pos; recKind = 1;
if (ch >= '0' && ch <= '9' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 1;}
else {t.kind = 1; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
case 2:
recEnd = pos; recKind = 1;
if (ch >= '0' && ch <= '9' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 2;}
else {t.kind = 1; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
case 3:
recEnd = pos; recKind = 1;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 3;}
else {t.kind = 1; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
case 4:
recEnd = pos; recKind = 1;
if (ch >= '0' && ch <= '9' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 4;}
else {t.kind = 1; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
case 5:
if (ch >= 'a' && ch <= 'z') {AddCh(); goto case 6;}
else {goto case 0;}
case 6:
recEnd = pos; recKind = 2;
if (ch >= '0' && ch <= '9' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 6;}
else {t.kind = 2; break;}
case 7:
if (ch <= '!' || ch >= '#' && ch <= 65535) {AddCh(); goto case 7;}
else if (ch == '"') {AddCh(); goto case 37;}
else {goto case 0;}
case 8:
if (ch <= '&' || ch >= '(' && ch <= 65535) {AddCh(); goto case 8;}
else if (ch == 39) {AddCh(); goto case 38;}
else {goto case 0;}
case 9:
if (ch <= '!' || ch >= '#' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 9;}
else if (ch == '"') {AddCh(); goto case 11;}
else if (ch == 92) {AddCh(); goto case 39;}
else {goto case 0;}
case 10:
if (ch <= '&' || ch >= '(' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 10;}
else if (ch == 39) {AddCh(); goto case 11;}
else if (ch == 92) {AddCh(); goto case 40;}
else {goto case 0;}
case 11:
{t.kind = 4; break;}
case 12:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 12;}
else if (ch == 'e') {AddCh(); goto case 13;}
else {t.kind = 5; break;}
case 13:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 15;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 14;}
else {goto case 0;}
case 14:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 15;}
else {goto case 0;}
case 15:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 15;}
else {t.kind = 5; break;}
case 16:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 17;}
else {goto case 0;}
case 17:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 17;}
else if (ch == 'e') {AddCh(); goto case 18;}
else {t.kind = 5; break;}
case 18:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 20;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 19;}
else {goto case 0;}
case 19:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 20;}
else {goto case 0;}
case 20:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 20;}
else {t.kind = 5; break;}
case 21:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 23;}
else if (ch == '+' || ch == '-') {AddCh(); goto case 22;}
else {goto case 0;}
case 22:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 23;}
else {goto case 0;}
case 23:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 23;}
else {t.kind = 5; break;}
case 24:
if (ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'f') {AddCh(); goto case 25;}
else {goto case 0;}
case 25:
recEnd = pos; recKind = 6;
if (ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'f') {AddCh(); goto case 25;}
else {t.kind = 6; break;}
case 26:
if (ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 26;}
else if (ch == ';') {AddCh(); goto case 31;}
else {goto case 0;}
case 27:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 28;}
else if (ch == 'x') {AddCh(); goto case 29;}
else {goto case 0;}
case 28:
if (ch >= '0' && ch <= '9') {AddCh(); goto case 28;}
else if (ch == ';') {AddCh(); goto case 31;}
else {goto case 0;}
case 29:
if (ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'f') {AddCh(); goto case 30;}
else {goto case 0;}
case 30:
if (ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'f') {AddCh(); goto case 30;}
else if (ch == ';') {AddCh(); goto case 31;}
else {goto case 0;}
case 31:
{t.kind = 7; break;}
case 32:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 32;}
else if (ch == '.') {AddCh(); goto case 16;}
else if (ch == 'e') {AddCh(); goto case 21;}
else {t.kind = 5; break;}
case 33:
recEnd = pos; recKind = 1;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 3;}
else if (ch >= 'a' && ch <= 'z') {AddCh(); goto case 4;}
else {t.kind = 1; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
case 34:
if (ch <= '!' || ch >= '#' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 9;}
else if (ch == '"') {AddCh(); goto case 41;}
else if (ch == 92) {AddCh(); goto case 39;}
else {goto case 0;}
case 35:
if (ch <= '&' || ch >= '(' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 10;}
else if (ch == 39) {AddCh(); goto case 42;}
else if (ch == 92) {AddCh(); goto case 40;}
else {goto case 0;}
case 36:
recEnd = pos; recKind = 5;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 32;}
else if (ch == '.') {AddCh(); goto case 16;}
else if (ch == 'e') {AddCh(); goto case 21;}
else if (ch == 'x') {AddCh(); goto case 24;}
else {t.kind = 5; break;}
case 37:
if (ch <= '!' || ch >= '#' && ch <= 65535) {AddCh(); goto case 7;}
else if (ch == '"') {AddCh(); goto case 43;}
else {goto case 0;}
case 38:
if (ch <= '&' || ch >= '(' && ch <= 65535) {AddCh(); goto case 8;}
else if (ch == 39) {AddCh(); goto case 44;}
else {goto case 0;}
case 39:
if (ch <= '!' || ch >= '#' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 9;}
else if (ch == '"') {AddCh(); goto case 45;}
else if (ch == 92) {AddCh(); goto case 39;}
else {goto case 0;}
case 40:
if (ch <= '&' || ch >= '(' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 10;}
else if (ch == 39) {AddCh(); goto case 46;}
else if (ch == 92) {AddCh(); goto case 40;}
else {goto case 0;}
case 41:
recEnd = pos; recKind = 4;
if (ch == '"') {AddCh(); goto case 7;}
else {t.kind = 4; break;}
case 42:
recEnd = pos; recKind = 4;
if (ch == 39) {AddCh(); goto case 8;}
else {t.kind = 4; break;}
case 43:
if (ch <= '!' || ch >= '#' && ch <= 65535) {AddCh(); goto case 7;}
else if (ch == '"') {AddCh(); goto case 47;}
else {goto case 0;}
case 44:
if (ch <= '&' || ch >= '(' && ch <= 65535) {AddCh(); goto case 8;}
else if (ch == 39) {AddCh(); goto case 48;}
else {goto case 0;}
case 45:
recEnd = pos; recKind = 4;
if (ch <= '!' || ch >= '#' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 9;}
else if (ch == '"') {AddCh(); goto case 11;}
else if (ch == 92) {AddCh(); goto case 39;}
else {t.kind = 4; break;}
case 46:
recEnd = pos; recKind = 4;
if (ch <= '&' || ch >= '(' && ch <= '[' || ch >= ']' && ch <= 65535) {AddCh(); goto case 10;}
else if (ch == 39) {AddCh(); goto case 11;}
else if (ch == 92) {AddCh(); goto case 40;}
else {t.kind = 4; break;}
case 47:
recEnd = pos; recKind = 3;
if (ch <= '!' || ch >= '#' && ch <= 65535) {AddCh(); goto case 7;}
else if (ch == '"') {AddCh(); goto case 47;}
else {t.kind = 3; break;}
case 48:
recEnd = pos; recKind = 3;
if (ch <= '&' || ch >= '(' && ch <= 65535) {AddCh(); goto case 8;}
else if (ch == 39) {AddCh(); goto case 48;}
else {t.kind = 3; break;}
case 49:
{t.kind = 8; break;}
case 50:
{t.kind = 9; break;}
case 51:
{t.kind = 10; break;}
case 52:
{t.kind = 13; break;}
case 53:
{t.kind = 14; break;}
case 54:
{t.kind = 15; break;}
case 55:
{t.kind = 16; break;}
case 56:
{t.kind = 17; break;}
case 57:
{t.kind = 18; break;}
case 58:
{t.kind = 20; break;}
case 59:
{t.kind = 22; break;}
case 60:
{t.kind = 23; break;}
case 61:
{t.kind = 31; break;}
case 62:
{t.kind = 36; break;}
case 63:
{t.kind = 38; break;}
case 64:
if (ch == '|') {AddCh(); goto case 65;}
else {goto case 0;}
case 65:
{t.kind = 39; break;}
case 66:
{t.kind = 40; break;}
case 67:
{t.kind = 43; break;}
case 68:
{t.kind = 44; break;}
case 69:
{t.kind = 47; break;}
case 70:
{t.kind = 48; break;}
case 71:
{t.kind = 62; break;}
case 72:
{t.kind = 64; break;}
case 73:
{t.kind = 65; break;}
case 74:
{t.kind = 72; break;}
case 75:
{t.kind = 73; break;}
case 76:
recEnd = pos; recKind = 66;
if (ch >= '0' && ch <= '9' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 2;}
else {t.kind = 66; break;}
case 77:
recEnd = pos; recKind = 63;
if (ch >= '0' && ch <= '9') {AddCh(); goto case 12;}
else if (ch == '.') {AddCh(); goto case 89;}
else {t.kind = 63; break;}
case 78:
recEnd = pos; recKind = 54;
if (ch >= 'a' && ch <= 'z') {AddCh(); goto case 26;}
else if (ch == '#') {AddCh(); goto case 27;}
else if (ch == '&') {AddCh(); goto case 66;}
else {t.kind = 54; break;}
case 79:
recEnd = pos; recKind = 12;
if (ch == '=') {AddCh(); goto case 90;}
else {t.kind = 12; break;}
case 80:
recEnd = pos; recKind = 55;
if (ch == '=') {AddCh(); goto case 52;}
else {t.kind = 55; break;}
case 81:
recEnd = pos; recKind = 56;
if (ch == '=') {AddCh(); goto case 53;}
else {t.kind = 56; break;}
case 82:
recEnd = pos; recKind = 57;
if (ch == '=') {AddCh(); goto case 54;}
else {t.kind = 57; break;}
case 83:
recEnd = pos; recKind = 58;
if (ch == '=') {AddCh(); goto case 55;}
else if (ch == '>') {AddCh(); goto case 75;}
else {t.kind = 58; break;}
case 84:
recEnd = pos; recKind = 59;
if (ch == '=') {AddCh(); goto case 56;}
else {t.kind = 59; break;}
case 85:
recEnd = pos; recKind = 60;
if (ch == '!') {AddCh(); goto case 62;}
else if (ch == '=') {AddCh(); goto case 91;}
else {t.kind = 60; break;}
case 86:
recEnd = pos; recKind = 37;
if (ch == '?') {AddCh(); goto case 63;}
else {t.kind = 37; break;}
case 87:
recEnd = pos; recKind = 45;
if (ch == '=') {AddCh(); goto case 69;}
else if (ch == '/') {AddCh(); goto case 92;}
else {t.kind = 45; break;}
case 88:
recEnd = pos; recKind = 46;
if (ch == '=') {AddCh(); goto case 70;}
else {t.kind = 46; break;}
case 89:
recEnd = pos; recKind = 53;
if (ch == '=') {AddCh(); goto case 57;}
else {t.kind = 53; break;}
case 90:
recEnd = pos; recKind = 42;
if (ch == '=') {AddCh(); goto case 68;}
else {t.kind = 42; break;}
case 91:
recEnd = pos; recKind = 41;
if (ch == '=') {AddCh(); goto case 67;}
else {t.kind = 41; break;}
case 92:
recEnd = pos; recKind = 71;
if (ch == '>') {AddCh(); goto case 74;}
else {t.kind = 71; break;}
}
t.val = new String(tval, 0, tlen);
return t;
}
void Init(string o, int l, int c) {
pos = -1; line = l; col = c;
origin = o;
oldEols = 0;
// NOTE: always use UTF-8 decoding
buffer = new UTF8Buffer(buffer);
NextCh();
pt = tokens = new Token(); // first token is a dummy
}
public void Parse() {
la = new Token();
la.val = "";
Get();
DekiScript();
Expect(0);
}
