1 files changed, 24 insertions, 0 deletions
diff --git a/chill/src/parse_expr.ll b/chill/src/parse_expr.ll
new file mode 100644
index 0000000..a9b389f
--- /dev/null
+++ b/chill/src/parse_expr.ll
@@ -0,0 +1,24 @@
+%{
+// some C++ code
+#include "chill_run_util.hh"
+#include "parse_expr.tab.hh"
+%}
+
+%option noyywrap
+
+%%
+[ \t]+                  /*ignore*/
+\n                      /*ignore*/
+L[0-9]+                 { yylval.val = atoi(&yytext[1]); return LEVEL; }
+[0-9]+                  { yylval.val = atoi(yytext); return NUMBER; }
+\<\=                    return LE;
+\>\=                    return GE;
+\=(\=)?                 return EQ;
+[a-zA-Z_][a-zA-Z_0-9]*  {
+                           yylval.str_val = new char[yyleng+1];
+                           strcpy(yylval.str_val, yytext);
+                           return VARIABLE;
+                         }
+.                        return (int)yytext[0];
+%%
+