Programming Languages Research Group: Git - IRC.git/blob

   1 package IR;
   2
   3 public class Operation {
   4     public static final int LOGIC_OR=1;
   5     public static final int LOGIC_AND=2;
   6     public static final int BIT_OR=3;
   7     public static final int BIT_XOR=4;
   8     public static final int BIT_AND=5;
   9     public static final int EQUAL=6;
  10     public static final int NOTEQUAL=7;
  11     public static final int LT=8;
  12     public static final int GT=9;
  13     public static final int LTE=10;
  14     public static final int GTE=11;
  15     public static final int LEFTSHIFT=12;
  16     public static final int RIGHTSHIFT=13;
  17     public static final int SUB=14;
  18     public static final int ADD=15;
  19     public static final int MULT=16;
  20     public static final int DIV=17;
  21     public static final int MOD=18;
  22     public static final int UNARYPLUS=19;
  23     public static final int UNARYMINUS=20;
  24     public static final int POSTINC=21;
  25     public static final int POSTDEC=22;
  26     public static final int PREINC=23;
  27     public static final int PREDEC=24;
  28     public static final int LOGIC_NOT=25;
  29     /* Flat Operations */
  30     public static final int ASSIGN=100;
  31
  32     private int operation;
  33     public Operation(int op) {
  34         this.operation=op;
  35     }
  36
  37     public Operation(String op) {
  38         this.operation=parseOp(op);
  39     }
  40
  41     public int getOp() {
  42         return operation;
  43     }
  44
  45     public static int parseOp(String st) {
  46         if (st.equals("logical_or"))
  47             return LOGIC_OR;
  48         else if (st.equals("logical_and"))
  49             return LOGIC_AND;
  50         else if (st.equals("bitwise_or"))
  51             return BIT_OR;
  52         else if (st.equals("bitwise_xor"))
  53             return BIT_XOR;
  54         else if (st.equals("bitwise_and"))
  55             return BIT_AND;
  56         else if (st.equals("equal"))
  57             return EQUAL;
  58         else if (st.equals("not_equal"))
  59             return NOTEQUAL;
  60         else if (st.equals("comp_lt"))
  61             return LT;
  62         else if (st.equals("comp_gt"))
  63             return GT;
  64         else if (st.equals("comp_lte"))
  65             return LTE;
  66         else if (st.equals("comp_gte"))
  67             return GTE;
  68         else if (st.equals("leftshift"))
  69             return LEFTSHIFT;
  70         else if (st.equals("rightshift"))
  71             return RIGHTSHIFT;
  72         else if (st.equals("sub"))
  73             return SUB;
  74         else if (st.equals("add"))
  75             return ADD;
  76         else if (st.equals("mult"))
  77             return MULT;
  78         else if (st.equals("div"))
  79             return DIV;
  80         else if (st.equals("mod"))
  81             return MOD;
  82         else if (st.equals("unaryplus"))
  83             return UNARYPLUS;
  84         else if (st.equals("unaryminus"))
  85             return UNARYMINUS;
  86         else if (st.equals("postinc"))
  87             return POSTINC;
  88         else if (st.equals("postdec"))
  89             return POSTDEC;
  90         else if (st.equals("preinc"))
  91             return PREINC;
  92         else if (st.equals("predec"))
  93             return PREDEC;
  94         else if (st.equals("not"))
  95             return LOGIC_NOT;
  96         else
  97             throw new Error();
  98     }
  99
 100     public String toString() {
 101         if (operation==LOGIC_OR)
 102             return "||";
 103         else if (operation==LOGIC_AND)
 104             return "&&";
 105         else if (operation==LOGIC_NOT)
 106             return "not";
 107         else if (operation==BIT_OR)
 108             return "|";
 109         else if (operation==BIT_XOR)
 110             return "^";
 111         else if (operation==BIT_AND)
 112             return "&";
 113         else if (operation==EQUAL)
 114             return "==";
 115         else if (operation==NOTEQUAL)
 116             return "!=";
 117         else if (operation==LT)
 118             return "<";
 119         else if (operation==GT)
 120             return ">";
 121         else if (operation==LTE)
 122             return "<=";
 123         else if (operation==GTE)
 124             return ">=";
 125         else if (operation==LEFTSHIFT)
 126             return "<<";
 127         else if (operation==RIGHTSHIFT)
 128             return ">>";
 129         else if (operation==SUB)
 130             return "-";
 131         else if (operation==ADD)
 132             return "+";
 133         else if (operation==MULT)
 134             return "*";
 135         else if (operation==DIV)
 136             return "/";
 137         else if (operation==MOD)
 138             return "%";
 139         else if (operation==UNARYPLUS)
 140             return "unaryplus";
 141         else if (operation==UNARYMINUS)
 142             return "unaryminus";
 143         else if (operation==POSTINC)
 144             return "postinc";
 145         else if (operation==POSTDEC)
 146             return "postdec";
 147         else if (operation==PREINC)
 148             return "preinc";
 149         else if (operation==PREDEC)
 150             return "predec";
 151         else if (operation==ASSIGN)
 152             return "assign";
 153         else throw new Error();
 154     }
 155
 156
 157 }