Source code: java_cup/action_production.java
1
2 package java_cup;
3
4 /** A specialized version of a production used when we split an existing
5 * production in order to remove an embedded action. Here we keep a bit
6 * of extra bookkeeping so that we know where we came from.
7 * @version last updated: 11/25/95
8 * @author Scott Hudson
9 */
10
11 public class action_production extends production {
12
13 /** Constructor.
14 * @param base the production we are being factored out of.
15 * @param lhs_sym the LHS symbol for this production.
16 * @param rhs_parts array of production parts for the RHS.
17 * @param rhs_len how much of the rhs_parts array is valid.
18 * @param action_str the trailing reduce action for this production.
19 */
20 public action_production(
21 production base,
22 non_terminal lhs_sym,
23 production_part rhs_parts[],
24 int rhs_len,
25 String action_str)
26 throws internal_error
27 {
28 super(lhs_sym, rhs_parts, rhs_len, action_str);
29 _base_production = base;
30 }
31
32 /*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
33
34 /** The production we were taken out of. */
35 protected production _base_production;
36
37 /** The production we were taken out of. */
38 public production base_production() {return _base_production;}
39 }