CalculatorParser.html

`CalculatorParser.java`

    // *******************************************************************
    // This file has been automatically generated from the grammar in file
    // Calculator.grm by hlt.language.syntax.ParserGenerator on
    // Sat Oct 27 17:21:24 PDT 2012 --- !!! PLEASE DO NO EDIT !!!
    // *******************************************************************

    import java.io.Reader;
    import java.io.StringReader;
    import java.io.IOException;
    import hlt.language.syntax.*;
    import java.util.HashMap;

    /* ************ */
    /* PARSER CLASS */
    /* ************ */

    public class CalculatorParser extends StaticParser
    {
      /* ************************ */
      /* PARSER CLASS CONSTRUCTOR */
      /* ************************ */

      public CalculatorParser (Tokenizer t)
        {
          input = t;
          xmlroot = "Session";
        }

      /* ************************* */
      /* PARSER CLASS DECLARATIONS */
      /* ************************* */

      HashMap defs = new HashMap();

      /* ********************** */
      /* STATIC INITIALIZATIONS */
      /* ********************** */

      static
        {
          initializeTerminals();
          initializeNonTerminals();
          initializeRules();
          initializeParserActions();
          initializeParserStates();
          initializeActionTables();
          initializeGotoTables();
          initializeStateTables();
        }

      /* ********************* */
      /* PARTIAL PARSE METHODS */
      /* ********************* */

      final static ParseNode $SESSION_SWITCH$ = new ParseNode(terminals[3]);

      public final void parseSession (String s) throws IOException
        {
          parseSession(new StringReader(s));
        }

      public final void parseSession (Reader r) throws IOException
        {
          input.setReader(r);
          errorManager().recoverFromErrors(false);
          setSwitchToken($SESSION_SWITCH$);
          parse();
        }

      final static ParseNode $EXPRESSION_SWITCH$ = new ParseNode(terminals[4]);

      public final void parseExpression (String s) throws IOException
        {
          parseExpression(new StringReader(s));
        }

      public final void parseExpression (Reader r) throws IOException
        {
          input.setReader(r);
          errorManager().recoverFromErrors(false);
          setSwitchToken($EXPRESSION_SWITCH$);
          parse();
        }

      final static ParseNode $DEFINITION_SWITCH$ = new ParseNode(terminals[5]);

      public final void parseDefinition (String s) throws IOException
        {
          parseDefinition(new StringReader(s));
        }

      public final void parseDefinition (Reader r) throws IOException
        {
          input.setReader(r);
          errorManager().recoverFromErrors(false);
          setSwitchToken($DEFINITION_SWITCH$);
          parse();
        }

      /* **************** */
      /* SEMANTIC ACTIONS */
      /* **************** */

      protected ParseNode semanticAction(ParserRule $rule$) throws IOException
        {
          ParseNode $head$ = new ParseNode($rule$.head);

          switch($rule$.index())
            {
              case 2:
                {
                $head$ = $head$.copy(node($rule$,2));
                break;
                }
              case 3:
                {
                $head$ = $head$.copy(node($rule$,2));
                break;
                }
              case 4:
                {
                $head$ = $head$.copy(node($rule$,2));
                break;
                }
              case 8:
                {
                currentNode().show(); // show the current parse tree
                if (!Double.isNaN(node($rule$,0).nvalue())) System.out.println(node($rule$,0).nvalue());
                CalculatorTokenizer.prompt();
                break;
                }
              case 10:
                {
                CalculatorDefinition $node1$;
                    if (node($rule$,0) instanceof CalculatorDefinition)
                       $node1$ = (CalculatorDefinition)node($rule$,0);
                     else
                     {
                         $node1$ = new CalculatorDefinition(node($rule$,0));
                         replaceStackNode($rule$,0,$node1$);
                       }

                currentNode().show(); // show the current parse tree
                System.out.println($node1$.getMessage());
                CalculatorTokenizer.prompt();
                break;
                }
              case 12:
                {
                errorManager().reportErrors(true);
                CalculatorTokenizer.prompt();
                break;
                }
              case 14:
                {
                Double value = (Double)defs.get(node($rule$,1).svalue());
                if (value == null)
                  System.out.println("*** Undefined identifier: "+node($rule$,1).svalue());
                else
                  $head$.setNvalue(value.doubleValue());
                break;
                }
              case 16:
                {
                $head$.setNvalue(node($rule$,1).nvalue() + node($rule$,3).nvalue());
                break;
                }
              case 17:
                {
                $head$.setNvalue(node($rule$,1).nvalue() - node($rule$,3).nvalue());
                break;
                }
              case 18:
                {
                $head$.setNvalue(node($rule$,1).nvalue() * node($rule$,3).nvalue());
                break;
                }
              case 19:
                {
                $head$.setNvalue(node($rule$,1).nvalue() / node($rule$,3).nvalue());
                break;
                }
              case 20:
                {
                $head$.setNvalue(- node($rule$,2).nvalue());
                break;
                }
              case 21:
                {
                $head$.setNvalue(node($rule$,2).nvalue());
                break;
                }
              case 22:
                {
                CalculatorDefinition $node0$ = new CalculatorDefinition($head$);
                     $head$ = (CalculatorDefinition)$node0$;

                defs.put(node($rule$,1).svalue(),new Double(node($rule$,3).nvalue()));
                $node0$.setNvalue(node($rule$,3).nvalue());
                $node0$.setSvalue(node($rule$,1).svalue());
                $node0$.setMessage("*** Defined "+$node0$.svalue()+" ("+$node0$.nvalue()+")");
                break;
                }
              case 23:
                {
                System.out.println("*** Bye bye!...");
      	    System.exit(0);
                break;
                }
              case 0: case 1: case 6:
                break;
              default:
                $head$ = $head$.copy(node($rule$,1));
                break;
            }
          return $head$;
        }

      /* **************** */
      /* TERMINAL SYMBOLS */
      /* **************** */

      static void initializeTerminals ()
        {
          terminals = new ParserTerminal[18];

          newTerminal(0,"$EMPTY$",1,2);
          newTerminal(1,"$E_O_I$",1,2);
          newTerminal(2,"error",1,2);
          newTerminal(3,"$Session_switch$",1,2);
          newTerminal(4,"$Expression_switch$",1,2);
          newTerminal(5,"$Definition_switch$",1,2);
          newTerminal(6,"NUMBER",1,2);
          newTerminal(7,"IDENTIFIER",1,2);
          newTerminal(8,"+",11,0);
          newTerminal(9,"-",11,0);
          newTerminal(10,"*",21,0);
          newTerminal(11,"/",21,0);
          newTerminal(12,"UMINUS",31,1);
          newTerminal(13,";",1,2);
          newTerminal(14,"(",1,2);
          newTerminal(15,")",1,2);
          newTerminal(16,"=",1,2);
          newTerminal(17,"exit",1,2);
        }

      /* ******************** */
      /* NON-TERMINAL SYMBOLS */
      /* ******************** */

      static void initializeNonTerminals ()
        {
          nonterminals = new ParserNonTerminal[12];

          newNonTerminal(0,"$START$");
          newNonTerminal(1,"$ROOTS$");
          newNonTerminal(2,"Session");
          newNonTerminal(3,"Expression");
          newNonTerminal(4,"Definition");
          newNonTerminal(5,"Actions");
          newNonTerminal(6,"Exit");
          newNonTerminal(7,"Action");
          newNonTerminal(8,"$ACTION0$");
          newNonTerminal(9,"$ACTION1$");
          newNonTerminal(10,"$ACTION2$");
          newNonTerminal(11,"$ACTION3$");
        }

      /* **************** */
      /* PRODUCTION RULES */
      /* **************** */

      static void initializeRules ()
        {
          rules = new ParserRule[25];

          rules[0] = new ParserRule(0,1,0,1,2);
          rules[1] = new ParserRule(1,1,1,1,2);
          rules[2] = new ParserRule(1,2,2,1,2);
          rules[3] = new ParserRule(1,2,3,1,2);
          rules[4] = new ParserRule(1,2,4,1,2);
          rules[5] = new ParserRule(2,2,5,1,2);
          rules[6] = new ParserRule(5,0,6,1,2);
          rules[7] = new ParserRule(5,2,7,1,2);
          rules[8] = new ParserRule(8,0,8,1,2);
          rules[9] = new ParserRule(7,3,9,1,2);
          rules[10] = new ParserRule(9,0,10,1,2);
          rules[11] = new ParserRule(7,3,11,1,2);
          rules[12] = new ParserRule(10,0,12,1,2);
          rules[13] = new ParserRule(7,3,13,1,2);
          rules[14] = new ParserRule(3,1,14,1,2);
          rules[15] = new ParserRule(3,1,15,1,2);
          rules[16] = new ParserRule(3,3,16,11,0);
          rules[17] = new ParserRule(3,3,17,11,0);
          rules[18] = new ParserRule(3,3,18,21,0);
          rules[19] = new ParserRule(3,3,19,21,0);
          rules[20] = new ParserRule(3,2,20,31,1);
          rules[21] = new ParserRule(3,3,21,1,2);
          rules[22] = new ParserRule(4,3,22,1,2);
          rules[23] = new ParserRule(11,0,23,1,2);
          rules[24] = new ParserRule(6,3,24,1,2);
        }

      /* ************** */
      /* PARSER ACTIONS */
      /* ************** */

      static void initializeParserActions ()
        {
          actions = new ParserAction[194];

          newAction(0,5,0);
          newAction(1,2,0);
          newAction(2,0,3);
          newAction(3,0,4);
          newAction(4,0,5);
          newAction(5,1,6);
          newAction(6,1,6);
          newAction(7,1,6);
          newAction(8,1,6);
          newAction(9,1,6);
          newAction(10,1,6);
          newAction(11,1,1);
          newAction(12,1,6);
          newAction(13,1,6);
          newAction(14,1,6);
          newAction(15,1,6);
          newAction(16,1,6);
          newAction(17,1,6);
          newAction(18,0,22);
          newAction(19,0,11);
          newAction(20,0,13);
          newAction(21,0,14);
          newAction(22,0,40);
          newAction(23,0,9);
          newAction(24,0,10);
          newAction(25,0,11);
          newAction(26,0,13);
          newAction(27,0,14);
          newAction(28,0,16);
          newAction(29,1,5);
          newAction(30,1,7);
          newAction(31,1,7);
          newAction(32,1,7);
          newAction(33,1,7);
          newAction(34,1,7);
          newAction(35,1,7);
          newAction(36,1,23);
          newAction(37,1,14);
          newAction(38,1,14);
          newAction(39,1,14);
          newAction(40,1,14);
          newAction(41,1,14);
          newAction(42,0,35);
          newAction(43,1,15);
          newAction(44,1,15);
          newAction(45,1,15);
          newAction(46,1,15);
          newAction(47,1,15);
          newAction(48,1,15);
          newAction(49,1,15);
          newAction(50,0,23);
          newAction(51,0,24);
          newAction(52,0,25);
          newAction(53,0,26);
          newAction(54,1,8);
          newAction(55,0,22);
          newAction(56,0,11);
          newAction(57,0,13);
          newAction(58,0,14);
          newAction(59,0,22);
          newAction(60,0,11);
          newAction(61,0,13);
          newAction(62,0,14);
          newAction(63,1,10);
          newAction(64,1,12);
          newAction(65,0,18);
          newAction(66,1,13);
          newAction(67,1,13);
          newAction(68,1,13);
          newAction(69,1,13);
          newAction(70,1,13);
          newAction(71,1,13);
          newAction(72,0,20);
          newAction(73,1,11);
          newAction(74,1,11);
          newAction(75,1,11);
          newAction(76,1,11);
          newAction(77,1,11);
          newAction(78,1,11);
          newAction(79,0,23);
          newAction(80,0,24);
          newAction(81,0,25);
          newAction(82,0,26);
          newAction(83,0,27);
          newAction(84,1,14);
          newAction(85,1,14);
          newAction(86,1,14);
          newAction(87,1,14);
          newAction(88,1,14);
          newAction(89,1,14);
          newAction(90,1,14);
          newAction(91,0,22);
          newAction(92,0,11);
          newAction(93,0,13);
          newAction(94,0,14);
          newAction(95,0,22);
          newAction(96,0,11);
          newAction(97,0,13);
          newAction(98,0,14);
          newAction(99,0,22);
          newAction(100,0,11);
          newAction(101,0,13);
          newAction(102,0,14);
          newAction(103,0,22);
          newAction(104,0,11);
          newAction(105,0,13);
          newAction(106,0,14);
          newAction(107,1,21);
          newAction(108,1,21);
          newAction(109,1,21);
          newAction(110,1,21);
          newAction(111,1,21);
          newAction(112,1,21);
          newAction(113,1,21);
          newAction(114,0,23);
          newAction(115,0,24);
          newAction(116,0,25);
          newAction(117,0,26);
          newAction(118,1,19);
          newAction(119,1,19);
          newAction(120,1,19);
          newAction(121,1,19);
          newAction(122,1,19);
          newAction(123,1,19);
          newAction(124,1,19);
          newAction(125,0,23);
          newAction(126,0,24);
          newAction(127,0,25);
          newAction(128,1,18);
          newAction(129,1,18);
          newAction(130,1,18);
          newAction(131,1,18);
          newAction(132,1,18);
          newAction(133,1,18);
          newAction(134,1,18);
          newAction(135,0,23);
          newAction(136,0,24);
          newAction(137,1,17);
          newAction(138,1,17);
          newAction(139,1,17);
          newAction(140,1,17);
          newAction(141,1,17);
          newAction(142,1,17);
          newAction(143,1,17);
          newAction(144,0,25);
          newAction(145,0,26);
          newAction(146,0,23);
          newAction(147,1,16);
          newAction(148,1,16);
          newAction(149,1,16);
          newAction(150,1,16);
          newAction(151,1,16);
          newAction(152,1,16);
          newAction(153,1,16);
          newAction(154,0,25);
          newAction(155,0,26);
          newAction(156,0,23);
          newAction(157,0,24);
          newAction(158,0,25);
          newAction(159,0,26);
          newAction(160,1,20);
          newAction(161,1,20);
          newAction(162,1,20);
          newAction(163,1,20);
          newAction(164,1,20);
          newAction(165,1,20);
          newAction(166,1,20);
          newAction(167,0,34);
          newAction(168,1,9);
          newAction(169,1,9);
          newAction(170,1,9);
          newAction(171,1,9);
          newAction(172,1,9);
          newAction(173,1,9);
          newAction(174,0,22);
          newAction(175,0,11);
          newAction(176,0,13);
          newAction(177,0,14);
          newAction(178,0,23);
          newAction(179,0,24);
          newAction(180,0,25);
          newAction(181,0,26);
          newAction(182,1,22);
          newAction(183,1,22);
          newAction(184,0,38);
          newAction(185,1,24);
          newAction(186,1,4);
          newAction(187,0,35);
          newAction(188,1,3);
          newAction(189,0,23);
          newAction(190,0,24);
          newAction(191,0,25);
          newAction(192,0,26);
          newAction(193,1,2);
        }

      /* ************* */
      /* PARSER STATES */
      /* ************* */

      static void initializeParserStates ()
        {
          states = new ParserState[43];

          for (int i=0; i<43; i++) newState(i);
        }

      /* ************* */
      /* ACTION TABLES */
      /* ************* */

      static void initializeActionTables ()
        {
          newActionTables(36);

          newActionTable(0,9);
    	setAction(0,17,10);
    	setAction(0,2,5);
    	setAction(0,3,2);
    	setAction(0,4,3);
    	setAction(0,5,4);
    	setAction(0,6,6);
    	setAction(0,7,7);
    	setAction(0,9,8);
    	setAction(0,14,9);

          newActionTable(1,1);
    	setAction(1,1,1);

          newActionTable(2,1);
    	setAction(2,1,11);

          newActionTable(3,6);
    	setAction(3,17,17);
    	setAction(3,2,12);
    	setAction(3,6,13);
    	setAction(3,7,14);
    	setAction(3,9,15);
    	setAction(3,14,16);

          newActionTable(4,4);
    	setAction(4,6,19);
    	setAction(4,7,18);
    	setAction(4,9,20);
    	setAction(4,14,21);

          newActionTable(5,1);
    	setAction(5,7,22);

          newActionTable(6,6);
    	setAction(6,17,23);
    	setAction(6,2,28);
    	setAction(6,6,25);
    	setAction(6,7,24);
    	setAction(6,9,26);
    	setAction(6,14,27);

          newActionTable(7,1);
    	setAction(7,1,29);

          newActionTable(8,6);
    	setAction(8,17,35);
    	setAction(8,2,30);
    	setAction(8,6,31);
    	setAction(8,7,32);
    	setAction(8,9,33);
    	setAction(8,14,34);

          newActionTable(9,1);
    	setAction(9,13,36);

          newActionTable(10,6);
    	setAction(10,16,42);
    	setAction(10,8,37);
    	setAction(10,9,38);
    	setAction(10,10,39);
    	setAction(10,11,40);
    	setAction(10,13,41);

          newActionTable(11,7);
    	setAction(11,1,43);
    	setAction(11,8,44);
    	setAction(11,9,45);
    	setAction(11,10,46);
    	setAction(11,11,47);
    	setAction(11,13,48);
    	setAction(11,15,49);

          newActionTable(12,5);
    	setAction(12,8,50);
    	setAction(12,9,51);
    	setAction(12,10,52);
    	setAction(12,11,53);
    	setAction(12,13,54);

          newActionTable(13,1);
    	setAction(13,13,63);

          newActionTable(14,1);
    	setAction(14,13,64);

          newActionTable(15,1);
    	setAction(15,13,65);

          newActionTable(16,6);
    	setAction(16,17,71);
    	setAction(16,2,66);
    	setAction(16,6,67);
    	setAction(16,7,68);
    	setAction(16,9,69);
    	setAction(16,14,70);

          newActionTable(17,1);
    	setAction(17,13,72);

          newActionTable(18,6);
    	setAction(18,17,78);
    	setAction(18,2,73);
    	setAction(18,6,74);
    	setAction(18,7,75);
    	setAction(18,9,76);
    	setAction(18,14,77);

          newActionTable(19,5);
    	setAction(19,8,79);
    	setAction(19,9,80);
    	setAction(19,10,81);
    	setAction(19,11,82);
    	setAction(19,15,83);

          newActionTable(20,7);
    	setAction(20,1,84);
    	setAction(20,8,85);
    	setAction(20,9,86);
    	setAction(20,10,87);
    	setAction(20,11,88);
    	setAction(20,13,89);
    	setAction(20,15,90);

          newActionTable(21,7);
    	setAction(21,1,107);
    	setAction(21,8,108);
    	setAction(21,9,109);
    	setAction(21,10,110);
    	setAction(21,11,111);
    	setAction(21,13,112);
    	setAction(21,15,113);

          newActionTable(22,7);
    	setAction(22,1,118);
    	setAction(22,8,119);
    	setAction(22,9,120);
    	setAction(22,10,121);
    	setAction(22,11,122);
    	setAction(22,13,123);
    	setAction(22,15,124);

          newActionTable(23,7);
    	setAction(23,1,128);
    	setAction(23,8,129);
    	setAction(23,9,130);
    	setAction(23,10,131);
    	setAction(23,11,132);
    	setAction(23,13,133);
    	setAction(23,15,134);

          newActionTable(24,7);
    	setAction(24,1,137);
    	setAction(24,8,138);
    	setAction(24,9,139);
    	setAction(24,10,144);
    	setAction(24,11,145);
    	setAction(24,13,142);
    	setAction(24,15,143);

          newActionTable(25,7);
    	setAction(25,1,147);
    	setAction(25,8,148);
    	setAction(25,9,149);
    	setAction(25,10,154);
    	setAction(25,11,155);
    	setAction(25,13,152);
    	setAction(25,15,153);

          newActionTable(26,7);
    	setAction(26,1,160);
    	setAction(26,8,161);
    	setAction(26,9,162);
    	setAction(26,10,163);
    	setAction(26,11,164);
    	setAction(26,13,165);
    	setAction(26,15,166);

          newActionTable(27,1);
    	setAction(27,13,167);

          newActionTable(28,6);
    	setAction(28,17,173);
    	setAction(28,2,168);
    	setAction(28,6,169);
    	setAction(28,7,170);
    	setAction(28,9,171);
    	setAction(28,14,172);

          newActionTable(29,6);
    	setAction(29,1,182);
    	setAction(29,8,178);
    	setAction(29,9,179);
    	setAction(29,10,180);
    	setAction(29,11,181);
    	setAction(29,13,183);

          newActionTable(30,1);
    	setAction(30,13,184);

          newActionTable(31,1);
    	setAction(31,1,185);

          newActionTable(32,1);
    	setAction(32,1,186);

          newActionTable(33,1);
    	setAction(33,16,187);

          newActionTable(34,5);
    	setAction(34,1,188);
    	setAction(34,8,189);
    	setAction(34,9,190);
    	setAction(34,10,191);
    	setAction(34,11,192);

          newActionTable(35,1);
    	setAction(35,1,193);

        }

      /* *********** */
      /* GOTO TABLES */
      /* *********** */

      static void initializeGotoTables ()
        {
          newGotoTables(17);

          newGotoTable(0,3);
    	setGoto(0,1,1);
    	setGoto(0,2,2);
    	setGoto(0,5,6);

          newGotoTable(1,0);

          newGotoTable(2,2);
    	setGoto(2,2,42);
    	setGoto(2,5,6);

          newGotoTable(3,1);
    	setGoto(3,3,41);

          newGotoTable(4,1);
    	setGoto(4,4,39);

          newGotoTable(5,4);
    	setGoto(5,3,12);
    	setGoto(5,4,15);
    	setGoto(5,6,7);
    	setGoto(5,7,8);

          newGotoTable(6,1);
    	setGoto(6,11,37);

          newGotoTable(7,1);
    	setGoto(7,8,33);

          newGotoTable(8,1);
    	setGoto(8,3,32);

          newGotoTable(9,1);
    	setGoto(9,3,21);

          newGotoTable(10,1);
    	setGoto(10,9,19);

          newGotoTable(11,1);
    	setGoto(11,10,17);

          newGotoTable(12,1);
    	setGoto(12,3,31);

          newGotoTable(13,1);
    	setGoto(13,3,30);

          newGotoTable(14,1);
    	setGoto(14,3,29);

          newGotoTable(15,1);
    	setGoto(15,3,28);

          newGotoTable(16,1);
    	setGoto(16,3,36);

        }

      /* ************ */
      /* STATE TABLES */
      /* ************ */

      static void initializeStateTables ()
        {
          setTables(0,0,0);
          setTables(1,1,1);
          setTables(2,2,1);
          setTables(3,3,2);
          setTables(4,4,3);
          setTables(5,5,4);
          setTables(6,6,5);
          setTables(7,7,1);
          setTables(8,8,1);
          setTables(9,9,6);
          setTables(10,10,1);
          setTables(11,11,1);
          setTables(12,12,7);
          setTables(13,4,8);
          setTables(14,4,9);
          setTables(15,13,10);
          setTables(16,14,11);
          setTables(17,15,1);
          setTables(18,16,1);
          setTables(19,17,1);
          setTables(20,18,1);
          setTables(21,19,1);
          setTables(22,20,1);
          setTables(23,4,12);
          setTables(24,4,13);
          setTables(25,4,14);
          setTables(26,4,15);
          setTables(27,21,1);
          setTables(28,22,1);
          setTables(29,23,1);
          setTables(30,24,1);
          setTables(31,25,1);
          setTables(32,26,1);
          setTables(33,27,1);
          setTables(34,28,1);
          setTables(35,4,16);
          setTables(36,29,1);
          setTables(37,30,1);
          setTables(38,31,1);
          setTables(39,32,1);
          setTables(40,33,1);
          setTables(41,34,1);
          setTables(42,35,1);
        }
    }

This file was generated on Tue Jan 29 12:24:47 CET 2013 from file `CalculatorParser.java`
by the `hlt.language.tools.Hilite` Java tool written by Hassan Aït-Kaci