X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/97650f4efc420eb5eb0af124f28987875e10428a..8434f2222ee028206633ecee9d2336103414b53c:/src/scan-gram.l?ds=sidebyside

diff --git a/src/scan-gram.l b/src/scan-gram.l
index 1d3c0cfb..d5298452 100644
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -34,14 +34,14 @@
 #define YY_USER_INIT				\
 do {						\
   LOCATION_RESET (*yylloc);			\
+  yylloc->file = infile;			\
    /* This is only to avoid GCC warnings. */	\
   if (yycontrol) {;};				\
 } while (0)
 
-#define YY_USER_ACTION  LOCATION_COLUMNS (*yylloc, yyleng)
-#define YY_LINES        LOCATION_LINES (*yylloc, yyleng); lineno += yyleng;
-#define YY_STEP         LOCATION_STEP (*yylloc)
-
+#define YY_USER_ACTION  LOCATION_COLUMNS (*yylloc, yyleng);
+#define YY_LINES        LOCATION_LINES (*yylloc, yyleng);
+#define YY_STEP         LOCATION_STEP (*yylloc);
 
 /* STRING_OBSTACK -- Used to store all the characters that we need to
    keep (to construct ID, STRINGS etc.).  Use the following macros to
@@ -90,7 +90,7 @@ static void handle_at PARAMS ((braced_code_t code_kind,
 %x SC_ESCAPED_STRING SC_ESCAPED_CHARACTER
 %x SC_BRACED_CODE SC_PROLOGUE SC_EPILOGUE
 
-id	 [.a-zA-Z][.a-zA-Z_0-9]*
+id	 [.a-zA-Z_][.a-zA-Z_0-9]*
 int 	 [0-9]+
 eols     (\n|\r|\n\r|\r\n)+
 blanks   [ \t\f]+
@@ -294,7 +294,8 @@ blanks   [ \t\f]+
       YY_OBS_FINISH;
       yylval->symbol = symbol_get (last_string, *yylloc);
       symbol_class_set (yylval->symbol, token_sym, *yylloc);
-      symbol_user_token_number_set (yylval->symbol, last_string[1], *yylloc);
+      symbol_user_token_number_set (yylval->symbol,
+				    (unsigned char) last_string[1], *yylloc);
       YY_OBS_FREE;
       yy_pop_state ();
       return ID;
@@ -730,4 +731,6 @@ void
 scanner_free (void)
 {
   obstack_free (&string_obstack, 0);
+  /* Reclaim Flex's buffers.  */
+  yy_delete_buffer (YY_CURRENT_BUFFER);
 }