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-rw-r--r--parser.l26
1 files changed, 2 insertions, 24 deletions
diff --git a/parser.l b/parser.l
index 7c8b3842..90d961c1 100644
--- a/parser.l
+++ b/parser.l
@@ -46,29 +46,6 @@
#include "parser.h"
#include "txr.h"
-#define VER(MAJ, MIN, SUB) ((MAJ) * 100000 + (MIN) * 1000 + SUB)
-
-#define FLEX_VER VER(YY_FLEX_MAJOR_VERSION, \
- YY_FLEX_MINOR_VERSION, \
- YY_FLEX_SUBMINOR_VERSION)
-
-#define YY_NO_UNISTD_H
-
-/* Defeat flex's calls to isatty, which happens even in batch mode */
-
-#undef isatty
-
-/*
- * Until 2.5.36, the Flex skeleton contained "extern int isatty(int)",
- * requiring special handling.
- */
-#if FLEX_VER <= VER(2, 5, 36)
-#define isatty(x) no_isatty
-int no_isatty = 0;
-#else
-#define isatty(x) 0
-#endif
-
#define YY_INPUT(buf, result, max_size) \
do { \
val self = lit("parser"); \
@@ -251,7 +228,8 @@ static wchar_t *unicode_ident(scanner_t *scn, const char *lex)
%}
-%option stack noinput reentrant bison-bridge extra-type="parser_t *" batch
+%option stack noinput reentrant bison-bridge extra-type="parser_t *"
+%option never-interactive
TOK [a-zA-Z0-9_]+
SGN [+\-]