+++ /dev/null
-
-//----------------------------------------------------
-// The following code was generated by CUP v0.10k
-// Sun Jul 25 13:36:02 EDT 1999
-//----------------------------------------------------
-
-package java_cup.simple_calc;
-
-import java_cup.runtime.*;
-
-/** CUP v0.10k generated parser.
- * @version Sun Jul 25 13:36:02 EDT 1999
- */
-public class parser extends java_cup.runtime.lr_parser {
-
- /** Default constructor. */
- public parser() {super();}
-
- /** Constructor which sets the default scanner. */
- public parser(java_cup.runtime.Scanner s) {super(s);}
-
- /** Production table. */
- protected static final short _production_table[][] =
- unpackFromStrings(new String[] {
- "\000\015\000\002\003\004\000\002\002\004\000\002\003" +
- "\003\000\002\006\002\000\002\004\005\000\002\005\005" +
- "\000\002\005\005\000\002\005\005\000\002\005\005\000" +
- "\002\005\005\000\002\005\003\000\002\005\004\000\002" +
- "\005\005" });
-
- /** Access to production table. */
- public short[][] production_table() {return _production_table;}
-
- /** Parse-action table. */
- protected static final short[][] _action_table =
- unpackFromStrings(new String[] {
- "\000\030\000\010\006\004\013\011\015\005\001\002\000" +
- "\010\006\004\013\011\015\005\001\002\000\020\004\ufff7" +
- "\005\ufff7\006\ufff7\007\ufff7\010\ufff7\011\ufff7\014\ufff7\001" +
- "\002\000\012\002\uffff\006\uffff\013\uffff\015\uffff\001\002" +
- "\000\016\004\ufffe\005\016\006\014\007\020\010\017\011" +
- "\013\001\002\000\012\002\027\006\004\013\011\015\005" +
- "\001\002\000\010\006\004\013\011\015\005\001\002\000" +
- "\016\005\016\006\014\007\020\010\017\011\013\014\015" +
- "\001\002\000\010\006\004\013\011\015\005\001\002\000" +
- "\010\006\004\013\011\015\005\001\002\000\020\004\ufff5" +
- "\005\ufff5\006\ufff5\007\ufff5\010\ufff5\011\ufff5\014\ufff5\001" +
- "\002\000\010\006\004\013\011\015\005\001\002\000\010" +
- "\006\004\013\011\015\005\001\002\000\010\006\004\013" +
- "\011\015\005\001\002\000\020\004\ufffa\005\ufffa\006\ufffa" +
- "\007\ufffa\010\ufffa\011\ufffa\014\ufffa\001\002\000\020\004" +
- "\ufff9\005\ufff9\006\ufff9\007\ufff9\010\ufff9\011\ufff9\014\ufff9" +
- "\001\002\000\020\004\ufffc\005\ufffc\006\ufffc\007\020\010" +
- "\017\011\013\014\ufffc\001\002\000\020\004\ufffb\005\ufffb" +
- "\006\ufffb\007\020\010\017\011\013\014\ufffb\001\002\000" +
- "\020\004\ufff8\005\ufff8\006\ufff8\007\ufff8\010\ufff8\011\ufff8" +
- "\014\ufff8\001\002\000\012\002\001\006\001\013\001\015" +
- "\001\001\002\000\004\002\000\001\002\000\004\004\031" +
- "\001\002\000\012\002\ufffd\006\ufffd\013\ufffd\015\ufffd\001" +
- "\002\000\020\004\ufff6\005\ufff6\006\ufff6\007\ufff6\010\ufff6" +
- "\011\ufff6\014\ufff6\001\002" });
-
- /** Access to parse-action table. */
- public short[][] action_table() {return _action_table;}
-
- /** <code>reduce_goto</code> table. */
- protected static final short[][] _reduce_table =
- unpackFromStrings(new String[] {
- "\000\030\000\010\003\007\004\005\005\006\001\001\000" +
- "\004\005\031\001\001\000\002\001\001\000\002\001\001" +
- "\000\004\006\027\001\001\000\006\004\025\005\006\001" +
- "\001\000\004\005\011\001\001\000\002\001\001\000\004" +
- "\005\024\001\001\000\004\005\023\001\001\000\002\001" +
- "\001\000\004\005\022\001\001\000\004\005\021\001\001" +
- "\000\004\005\020\001\001\000\002\001\001\000\002\001" +
- "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
- "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
- "\002\001\001\000\002\001\001" });
-
- /** Access to <code>reduce_goto</code> table. */
- public short[][] reduce_table() {return _reduce_table;}
-
- /** Instance of action encapsulation class. */
- protected CUP$parser$actions action_obj;
-
- /** Action encapsulation object initializer. */
- protected void init_actions()
- {
- action_obj = new CUP$parser$actions(this);
- }
-
- /** Invoke a user supplied parse action. */
- public java_cup.runtime.Symbol do_action(
- int act_num,
- java_cup.runtime.lr_parser parser,
- java.util.Stack stack,
- int top)
- throws java.lang.Exception
- {
- /* call code in generated class */
- return action_obj.CUP$parser$do_action(act_num, parser, stack, top);
- }
-
- /** Indicates start state. */
- public int start_state() {return 0;}
- /** Indicates start production. */
- public int start_production() {return 1;}
-
- /** <code>EOF</code> Symbol index. */
- public int EOF_sym() {return 0;}
-
- /** <code>error</code> Symbol index. */
- public int error_sym() {return 1;}
-
-}
-
-/** Cup generated class to encapsulate user supplied action code.*/
-class CUP$parser$actions {
- private final parser parser;
-
- /** Constructor */
- CUP$parser$actions(parser parser) {
- this.parser = parser;
- }
-
- /** Method with the actual generated action code. */
- public final java_cup.runtime.Symbol CUP$parser$do_action(
- int CUP$parser$act_num,
- java_cup.runtime.lr_parser CUP$parser$parser,
- java.util.Stack CUP$parser$stack,
- int CUP$parser$top)
- throws java.lang.Exception
- {
- /* Symbol object for return from actions */
- java_cup.runtime.Symbol CUP$parser$result;
-
- /* select the action based on the action number */
- switch (CUP$parser$act_num)
- {
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 12: // expr ::= LPAREN expr RPAREN
- {
- Integer RESULT = null;
- int eleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
- int eright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
- Integer e = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
- RESULT = e;
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 11: // expr ::= MINUS expr
- {
- Integer RESULT = null;
- int eleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int eright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = new Integer(0 - e.intValue());
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 10: // expr ::= NUMBER
- {
- Integer RESULT = null;
- int nleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int nright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer n = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = n;
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 9: // expr ::= expr MOD expr
- {
- Integer RESULT = null;
- int e1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
- int e1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
- Integer e1 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
- int e2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int e2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e2 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = new Integer(e1.intValue() % e2.intValue());
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 8: // expr ::= expr DIVIDE expr
- {
- Integer RESULT = null;
- int e1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
- int e1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
- Integer e1 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
- int e2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int e2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e2 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = new Integer(e1.intValue() / e2.intValue());
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 7: // expr ::= expr TIMES expr
- {
- Integer RESULT = null;
- int e1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
- int e1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
- Integer e1 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
- int e2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int e2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e2 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = new Integer(e1.intValue() * e2.intValue());
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 6: // expr ::= expr MINUS expr
- {
- Integer RESULT = null;
- int e1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
- int e1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
- Integer e1 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
- int e2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int e2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e2 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = new Integer(e1.intValue() - e2.intValue());
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 5: // expr ::= expr PLUS expr
- {
- Integer RESULT = null;
- int e1left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
- int e1right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
- Integer e1 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
- int e2left = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int e2right = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e2 = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- RESULT = new Integer(e1.intValue() + e2.intValue());
- CUP$parser$result = new java_cup.runtime.Symbol(3/*expr*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 4: // expr_part ::= expr NT$0 SEMI
- {
- Object RESULT = null;
- // propagate RESULT from NT$0
- if ( ((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value != null )
- RESULT = (Object) ((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
- int eleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left;
- int eright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).right;
- Integer e = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-2)).value;
-
- CUP$parser$result = new java_cup.runtime.Symbol(2/*expr_part*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-2)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 3: // NT$0 ::=
- {
- Object RESULT = null;
- int eleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left;
- int eright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right;
- Integer e = (Integer)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-0)).value;
- System.out.println("= " + e);
- CUP$parser$result = new java_cup.runtime.Symbol(4/*NT$0*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 2: // expr_list ::= expr_part
- {
- Object RESULT = null;
-
- CUP$parser$result = new java_cup.runtime.Symbol(1/*expr_list*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 1: // $START ::= expr_list EOF
- {
- Object RESULT = null;
- int start_valleft = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left;
- int start_valright = ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).right;
- Object start_val = (Object)((java_cup.runtime.Symbol) CUP$parser$stack.elementAt(CUP$parser$top-1)).value;
- RESULT = start_val;
- CUP$parser$result = new java_cup.runtime.Symbol(0/*$START*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- /* ACCEPT */
- CUP$parser$parser.done_parsing();
- return CUP$parser$result;
-
- /*. . . . . . . . . . . . . . . . . . . .*/
- case 0: // expr_list ::= expr_list expr_part
- {
- Object RESULT = null;
-
- CUP$parser$result = new java_cup.runtime.Symbol(1/*expr_list*/, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-1)).left, ((java_cup.runtime.Symbol)CUP$parser$stack.elementAt(CUP$parser$top-0)).right, RESULT);
- }
- return CUP$parser$result;
-
- /* . . . . . .*/
- default:
- throw new Exception(
- "Invalid action number found in internal parse table");
-
- }
- }
-}
-
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