return new CharRange(new IntegerTopology<CharToken>(new Range.Set(new Range((int)start, (int)end)).complement().intersect(all)));
}
- public static final CharToken left = new CharToken((char)-3, 0, 0);
- public static final CharToken right = new CharToken((char)-4, 0, 0);
- public static final Atom leftBrace = new Atom(new IntegerTopology<CharToken>(-3)) { public String toString() { return "{"; } };
- public static final Atom rightBrace = new Atom(new IntegerTopology<CharToken>(-4)) { public String toString() { return "}"; } };
+ public static CharToken left(int row, int col) { return new CharToken((char)9998, 0, 0) { public String toString() { return "{"; } }; }
+ public static CharToken right(int row, int col) { return new CharToken((char)9999, 0, 0) { public String toString() { return "}"; } }; }
+ public static final Atom leftBrace = new Atom(new IntegerTopology<CharToken>(9998)) { public String toString() { return "{"; } };
+ public static final Atom rightBrace = new Atom(new IntegerTopology<CharToken>(9999)) { public String toString() { return "}"; } };
private static final Range.Set all = new Range.Set(new Range(0, Character.MAX_VALUE));
public static final Atom any = new CharRange(new IntegerTopology<CharToken>(all));
/** returns an element which exactly matches the string given */
public static Element string(String s) {
- if (s.length() == 0) return MetaGrammar.epsilon;
+ if (s.length() == 0) return Union.epsilon;
final String escapified = "\""+StringUtil.escapify(s, "\"\r\n\\")+"\"";
Element ret;
if (s.length() == 1) {