// tiny.jj
//  scanner for tiny language
//  L. Baker
//  used for class example for learning the javacc tool


PARSER_BEGIN(tiny)
  public class tiny {
  }
PARSER_END(tiny)

TOKEN_MGR_DECLS:
{

}
SKIP:
{
  <" " >
| <"\t">
| <"\n">
| <"{" (~["}"])* "}">
}

TOKEN:
{
  <IFtok: "if">
| <ELSEtok: "else">
| <ENDtok: "end">
| <READtok: "read">
| <WRITEtok: "write">
| <REPEATtok: "repeat">
| <UNTILtok: "until">
| <INT_LITtok: ("+"|"-")?(["0"-"9"])+ >
| <IDENTtok: (["_","a"-"z","A"-"Z"])(["_","a"-"z","A"-"Z","0"-"9"])* >
| <LEFTPARENtok: "(">
| <RIGHTPARENtok: ")">
| <PLUStok: "+">
| <MINUStok: "-">
| <ASSIGNtok: ":=">
| <EQtok: "=">
| <LTtok: "<">
| <GTtok: ">">
| <GEtok: ">=">
| <LEtok: "<=">
| <SEMItok: ";">
| <MULTtok: "*">
| <DIVtok: "/">

}