/usr/share/doc/jflex/examples/interpreter/Tparlist.java is in jflex 1.4.3+dfsg-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright (C) 2001 Gerwin Klein <lsf@jflex.de> *
* Copyright (C) 2001 Bernhard Rumpe <rumpe@in.tum.de> *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License. See the file *
* COPYRIGHT for more information. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/**
* AST node for a parameter list.
*/
class Tparlist implements AST {
Tparlist parlist; // rest of the liste (optional null)
Tident ident; // identifier
public Tparlist(Tparlist p, Tident i) {
parlist=p;
ident=i;
}
public Tparlist(Tident i) {
parlist=null;
ident=i;
}
public String toString() {
if (parlist!=null)
return parlist+","+ident;
else
return ident.toString();
}
public void setSymtab(SymTab st, boolean isInput, int index) {
boolean isNew = st.enter(ident.toString(),
new STEvar(ident.toString(), isInput, index));
if (!isNew) Main.error("Variable "+ident+" defined twice!");
if (parlist!=null) parlist.setSymtab(st, isInput, index+1);
}
}
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