net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/OperatorExpression.java

   1 package net.sourceforge.phpdt.internal.compiler.ast;
   2
   3 /**
   4  * Any expression that have an operator.
   5  * @author Matthieu Casanova
   6  */
   7 public abstract class OperatorExpression
   8     extends Expression
   9     implements OperatorIds {
  10
  11   public int operator;
  12
  13   public OperatorExpression(int operator, int sourceStart, int sourceEnd) {
  14     super(sourceStart, sourceEnd);
  15     this.operator = operator;
  16   }
  17
  18         public String operatorToString() {
  19                 switch (operator) {
  20                         case EQUAL_EQUAL :
  21                                 return "=="; //$NON-NLS-1$
  22                         case LESS_EQUAL :
  23                                 return "<="; //$NON-NLS-1$
  24                         case GREATER_EQUAL :
  25                                 return ">="; //$NON-NLS-1$
  26                         case NOT_EQUAL :
  27                                 return "!="; //$NON-NLS-1$
  28                         case LEFT_SHIFT :
  29                                 return "<<"; //$NON-NLS-1$
  30                         case RIGHT_SHIFT :
  31                                 return ">>"; //$NON-NLS-1$
  32                         case UNSIGNED_RIGHT_SHIFT :
  33                                 return ">>>"; //$NON-NLS-1$
  34                         case OR_OR :
  35                                 return "||"; //$NON-NLS-1$
  36                         case AND_AND :
  37                                 return "&&"; //$NON-NLS-1$
  38                         case PLUS :
  39                                 return "+"; //$NON-NLS-1$
  40                         case MINUS :
  41                                 return "-"; //$NON-NLS-1$
  42                         case NOT :
  43                                 return "!"; //$NON-NLS-1$
  44                         case REMAINDER :
  45                                 return "%"; //$NON-NLS-1$
  46                         case XOR :
  47                                 return "^"; //$NON-NLS-1$
  48                         case AND :
  49                                 return "&"; //$NON-NLS-1$
  50                         case MULTIPLY :
  51                                 return "*"; //$NON-NLS-1$
  52                         case OR :
  53                                 return "|"; //$NON-NLS-1$
  54                         case TWIDDLE :
  55                                 return "~"; //$NON-NLS-1$
  56                         case DIVIDE :
  57                                 return "/"; //$NON-NLS-1$
  58                         case GREATER :
  59                                 return ">"; //$NON-NLS-1$
  60                         case LESS :
  61                                 return "<"; //$NON-NLS-1$
  62                         case ORL :
  63                                 return "OR"; //$NON-NLS-1$
  64       case ANDL :
  65         return "AND"; //$NON-NLS-1$
  66       case DOT :
  67         return "."; //$NON-NLS-1$
  68       case DIF :
  69         return "<>"; //$NON-NLS-1$
  70       case BANG_EQUAL_EQUAL :
  71         return "!=="; //$NON-NLS-1$
  72       case EQUAL_EQUAL_EQUAL :
  73         return "==="; //$NON-NLS-1$
  74       case AT :
  75         return "@"; //$NON-NLS-1$
  76                 };
  77                 return "unknown operator"; //$NON-NLS-1$
  78         }
  79
  80   public String toStringExpression(){
  81                 //subclass redefine toStringExpressionNoParenthesis()
  82                 return  "(" + toStringExpressionNoParenthesis() + ")";  //$NON-NLS-2$ //$NON-NLS-1$
  83         }
  84
  85         public abstract String toStringExpressionNoParenthesis();
  86 }