%top {

#include "grammar.h"

}


%option noyywrap
%option nounput
%option noinput
%option yylineno
%option stack
%option noyy_top_state

%x named
%x internal
%x visible


%%


" "                     { }

"\""                    { yy_push_state(named); }
<named>[^ \"]+          { yylvalp->string = strdup(yytext); return OPERAND_NAME; }
<named>"\""             { yy_pop_state(); }

"{"                     { yy_push_state(internal); }
<internal>[^ }]+        { yylvalp->string = strdup(yytext); return OPERAND_INTERNAL; }
<internal>"}"           { yy_pop_state(); }

"<"                     { yy_push_state (visible); }
<visible>[^ >]+         { yylvalp->string = strdup(yytext); return OPERAND_VISIBLE; }
<visible>">"            { yy_pop_state(); }


%%