parser.cup

来自「该工具也是用于字节码插桩」· CUP 代码 · 共 92 行

/*
 * Parser.cup
 *
 * Parser for the Table format.
 *
 * See LICENSE file for license conditions.
 */

package residue.tables;
import java_cup.runtime.*;
import java.util.*;

terminal Integer NUMBER;
terminal String STRING;
terminal SEMICOLON, STARTPROBED, STARTREFERENCED, STARTROOTS;

non terminal Table table;
non terminal TableEntry probedline, referencedline;
non terminal List probedlines, referencedlines;

non terminal Set intlist, rootset;

start with table;

table ::= STARTPROBED
          probedlines:pl
          STARTREFERENCED
          referencedlines:rl
	  STARTROOTS
	  rootset:rs 
          {:
              RESULT = new Table(pl, rl, rs);
          :};

rootset ::= rootset:rs STRING:st  {: rs.add(st); RESULT = rs; :}
	  |                       {: RESULT = new TreeSet();  :}
	  ;

probedlines ::= probedlines:pl probedline:p  {: pl.add(p); RESULT = pl;   :}
              |                              {: RESULT = new ArrayList(); :}
              ;

probedline ::= NUMBER:index
               NUMBER:ref
               STRING:classname
               STRING:methodname
               NUMBER:start
               NUMBER:probe
               NUMBER:end
               STRING:sourcename
               intlist:lines
               SEMICOLON
               {:
                   RESULT = new TableEntry(index,
                                           ref,
                                           classname,
                                           methodname,
                                           start,
                                           probe,
                                           end,
                                           sourcename,
                                           lines);
               :};

referencedlines ::= referencedlines:rl referencedline:r  {: rl.add(r); RESULT = rl;   :}
                  |                                      {: RESULT = new ArrayList(); :}
                  ;

referencedline ::= NUMBER:index
                   NUMBER:ref
                   STRING:classname
                   STRING:methodname
                   NUMBER:start
                   NUMBER:end
                   STRING:sourcename
                   intlist:lines
                   SEMICOLON
                   {:
                       RESULT = new TableEntry(index,
                                               ref,
                                               classname,
                                               methodname,
                                               start,
                                               end,
                                               sourcename,
                                               lines);
                   :};

intlist ::= intlist:il NUMBER:n  {: il.add(n); RESULT = il; :}
          |  {: RESULT = new HashSet(); :}
          ;