code: public final void ruleNumber() throws RecognitionException {
  
          		HiddenTokens myHiddenTokenState = ((XtextTokenStream)input).setHiddenTokens();
          		int stackSize = keepStackSize();
          	
          try {
              // InternalXbase.g:1578:2: ( ( ( rule__Number__Alternatives ) ) )
              // InternalXbase.g:1579:2: ( ( rule__Number__Alternatives ) )
              {
              // InternalXbase.g:1579:2: ( ( rule__Number__Alternatives ) )
              // InternalXbase.g:1580:3: ( rule__Number__Alternatives )
              {
              if ( state.backtracking==0 ) {
                 before(grammarAccess.getNumberAccess().getAlternatives()); 
              }
              // InternalXbase.g:1581:3: ( rule__Number__Alternatives )
              // InternalXbase.g:1581:4: rule__Number__Alternatives
              {
              pushFollow(FOLLOW_2);
              rule__Number__Alternatives();
  
              state._fsp--;
              if (state.failed) return ;
  
              }
  
              if ( state.backtracking==0 ) {
                 after(grammarAccess.getNumberAccess().getAlternatives()); 
              }
  
              }
  
  
              }
  
          }
          catch (RecognitionException re) {
              reportError(re);
              recover(input,re);
          }
          finally {
  
              	restoreStackSize(stackSize);
              	myHiddenTokenState.restore();
  
          }
          return ;
      }
docs: InternalXbase.g:1573:1: ruleNumber : ( ( rule__Number__Alternatives ) ) ;