/* Production 33 */
public void shift_expr() {
/*@bgen(jjtree) shift_expr */
ASTshift_expr jjtn000 = new ASTshift_expr(this, IDLParserTreeConstants.JJTSHIFT_EXPR);
bool jjtc000 = true;
jjtree.openNodeScope(jjtn000);
try {
add_expr();
while (true) {
switch ((jj_ntk==-1)?jj_ntk_calc():jj_ntk) {
case 38:
case 39:
;
break;
default:
jj_la1[37] = jj_gen;
goto label_14;
break;
}
switch ((jj_ntk==-1)?jj_ntk_calc():jj_ntk) {
case 38:
jj_consume_token(38);
jjtn000.AppendShiftOperation(ShiftOps.Right);
break;
case 39:
jj_consume_token(39);
jjtn000.AppendShiftOperation(ShiftOps.Left);
break;
default:
jj_la1[38] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
break;
}
add_expr();
}
label_14: ;
} catch (Exception jjte000) {
if (jjtc000) {
jjtree.clearNodeScope(jjtn000);
jjtc000 = false;
} else {
jjtree.popNode();
}
{if (true) throw ;}
} finally {
if (jjtc000) {
jjtree.closeNodeScope(jjtn000, true);
}
}
}
/**
* @see parser.IDLParserVisitor#visit(ASTshift_expr, Object)
*/
public Object visit(ASTshift_expr node, Object data) {
Literal result =
(Literal)node.jjtGetChild(0).jjtAccept(this, data);
for(int i=1; i < node.jjtGetNumChildren(); i++) {
// evaluate the add-expr and lshift/rshift the current result with it
switch (node.GetShiftOperation(i-1)) {
case ShiftOps.Right:
result = result.ShiftRightBy((Literal)node.jjtGetChild(i).jjtAccept(this, data));
break;
case ShiftOps.Left:
result = result.ShiftLeftBy((Literal)node.jjtGetChild(i).jjtAccept(this, data));
break;
}
}
return result;
}