/* Production 34 */ public void add_expr() { /*@bgen(jjtree) add_expr */ ASTadd_expr jjtn000 = new ASTadd_expr(this, IDLParserTreeConstants.JJTADD_EXPR); bool jjtc000 = true; jjtree.openNodeScope(jjtn000); try { mult_expr(); while (true) { switch ((jj_ntk==-1)?jj_ntk_calc():jj_ntk) { case 40: case 41: ; break; default: jj_la1[39] = jj_gen; goto label_15; break; } switch ((jj_ntk==-1)?jj_ntk_calc():jj_ntk) { case 40: jj_consume_token(40); jjtn000.AppendAddOperation(AddOps.Plus); break; case 41: jj_consume_token(41); jjtn000.AppendAddOperation(AddOps.Minus); break; default: jj_la1[40] = jj_gen; jj_consume_token(-1); throw new ParseException(); break; } mult_expr(); } label_15: ; } 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(ASTadd_expr, Object) */ public Object visit(ASTadd_expr node, Object data) { Literal result = (Literal)node.jjtGetChild(0).jjtAccept(this, data); for(int i=1; i < node.jjtGetNumChildren(); i++) { // evaluate the mult-expr and add/sub it to the current result switch (node.GetAddOperation(i-1)) { case AddOps.Plus: result = result.Add((Literal)node.jjtGetChild(i).jjtAccept(this, data)); break; case AddOps.Minus: result = result.Sub((Literal)node.jjtGetChild(i).jjtAccept(this, data)); break; } } return result; }