Example #1
0
 bool peekCompare(params int[] values)
 {
     Token t = la;
     foreach(int i in values)
     {
         if(i != -1 && t.kind != i)
         {
             scanner.ResetPeek();
             return false;
         }
         if (t.next == null)
             t = scanner.Peek();
         else
             t = t.next;
     }
     scanner.ResetPeek();
     return true;
 }
Example #2
0
 bool peekString(int count, params string[] values)
 {
     Token t = la;
     for(; count > 0; count --)
         t = scanner.Peek();
     foreach(var it in values)
     {
         if(t.val == it)
         {
             scanner.ResetPeek();
             return true;
         }
     }
     scanner.ResetPeek();
     return false;
 }
Example #3
0
 public void Patch(SQF.ClassParser.ConfigField field, bool AutoRemove)
 {
     this.MainField = field;
     la = new Token();
     la.val = "";
     Get();
     doRoot();
     if(AutoRemove)
         ApplyRemovedFields();
 }
Example #4
0
        void Get()
        {
            for (;;) {
                t = la;
                la = scanner.Scan();
                if (la.kind <= maxT) { ++errDist; break; }

                la = t;
            }
        }
Example #5
0
 public RangeDescription GetRange(string key)
 {
     this.KeyToFind = key;
     this.Range = new RangeDescription();
     this.MainField = new SQF.ClassParser.ConfigField();
     this.MainField.ToClass();
     la = new Token();
     la.val = "";
     Get();
     doRoot();
     return this.Range.IsFilled ? this.Range : null;
 }
Example #6
0
 public SQF.ClassParser.ConfigField Parse()
 {
     this.MainField = new SQF.ClassParser.ConfigField();
     this.MainField.ToClass();
     la = new Token();
     la.val = "";
     Get();
     doRoot();
     return this.MainField;
 }
Example #7
0
        Token NextToken()
        {
            while (ch == ' ' ||
                ch >= 9 && ch <= 10 || ch == 13
            ) 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.charPos = charPos;
            int state;
            if (start.ContainsKey(ch)) { state = (int) 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 >= '0' && ch <= '9') {AddCh(); goto case 2;}
                else {goto case 0;}
            case 2:
                recEnd = pos; recKind = 1;
                if (ch >= '0' && ch <= '9') {AddCh(); goto case 2;}
                else if (ch == '.') {AddCh(); goto case 3;}
                else {t.kind = 1; break;}
            case 3:
                if (ch >= '0' && ch <= '9') {AddCh(); goto case 4;}
                else {goto case 0;}
            case 4:
                recEnd = pos; recKind = 1;
                if (ch >= '0' && ch <= '9') {AddCh(); goto case 4;}
                else {t.kind = 1; break;}
            case 5:
                if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'F' || ch >= 'a' && ch <= 'f') {AddCh(); goto case 6;}
                else {goto case 0;}
            case 6:
                recEnd = pos; recKind = 2;
                if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'F' || ch >= 'a' && ch <= 'f') {AddCh(); goto case 6;}
                else {t.kind = 2; break;}
            case 7:
                if (ch <= 9 || ch >= 11 && ch <= 12 || ch >= 14 && ch <= '!' || ch >= '#' && ch <= 65535) {AddCh(); goto case 7;}
                else if (ch == '"') {AddCh(); goto case 11;}
                else {goto case 0;}
            case 8:
                recEnd = pos; recKind = 4;
                if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'Z' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 8;}
                else {t.kind = 4; break;}
            case 9:
                recEnd = pos; recKind = 5;
                if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'Z' || ch == '_' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 9;}
                else {t.kind = 5; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
            case 10:
                recEnd = pos; recKind = 1;
                if (ch >= '0' && ch <= '9') {AddCh(); goto case 2;}
                else if (ch == '.') {AddCh(); goto case 3;}
                else if (ch == 'X' || ch == 'x') {AddCh(); goto case 5;}
                else {t.kind = 1; break;}
            case 11:
                recEnd = pos; recKind = 3;
                if (ch == '"') {AddCh(); goto case 7;}
                else {t.kind = 3; break;}
            case 12:
                {t.kind = 7; break;}
            case 13:
                {t.kind = 8; break;}
            case 14:
                {t.kind = 9; break;}
            case 15:
                {t.kind = 10; break;}
            case 16:
                {t.kind = 11; break;}
            case 17:
                {t.kind = 12; break;}
            case 18:
                {t.kind = 13; break;}
            case 19:
                {t.kind = 16; break;}

            }
            t.val = new String(tval, 0, tlen);
            return t;
        }
Example #8
0
 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
 }
Example #9
0
 // 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;
     }
 }
Example #10
0
 // make sure that peeking starts at the current scan position
 public void ResetPeek()
 {
     pt = tokens;
 }
Example #11
0
        // 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;
        }