Update Yasm to 1.2.0 (Yasm Part 1/3)

third_party/yasm/patched-yasm/modules/parsers/gas/gas-token.re

 /*
  * GAS-compatible re2c lexer
  *
  *  Copyright (C) 2005-2007  Peter Johnson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 10 matching lines @@
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <util.h>
-RCSID("$Id: gas-token.re 2266 2010-01-03 22:02:30Z peter $");
 
 #include <libyasm.h>
 
 #include "modules/parsers/gas/gas-parser.h"
 
 
 #define BSIZE   8192
 
 #define YYCURSOR        cursor
 #define YYLIMIT         (s->lim)
@@ skipping 474 matching lines @@
     /* string constant values */
 stringconst:
     strbuf = yasm_xmalloc(STRBUF_ALLOC_SIZE);
     strbuf_size = STRBUF_ALLOC_SIZE;
     count = 0;
 
 stringconst_scan:
     SCANINIT();
 
     /*!re2c
-        /* Handle escaped double-quote by copying and continuing */
-        "\\\""      {
+        /* Handle escaped character by copying both and continuing. */
+        "\\".   {
             if (cursor == s->eof) {
                 yasm_error_set(YASM_ERROR_SYNTAX,
                                N_("unexpected end of file in string"));
                 lvalp->str.contents = (char *)strbuf;
                 lvalp->str.len = count;
                 RETURN(STRING);
             }
-            strbuf_append(count++, cursor, s, '"');
+            strbuf_append(count++, cursor, s, '\\');
+            strbuf_append(count++, cursor, s, s->tok[1]);
             goto stringconst_scan;
         }
 
         dquot   {
             strbuf_append(count, cursor, s, '\0');
             yasm_unescape_cstring(strbuf, &count);
             lvalp->str.contents = (char *)strbuf;
             lvalp->str.len = count;
             RETURN(STRING);
         }
 
         any     {
             if (cursor == s->eof) {
                 yasm_error_set(YASM_ERROR_SYNTAX,
                                N_("unexpected end of file in string"));
                 lvalp->str.contents = (char *)strbuf;
                 lvalp->str.len = count;
                 RETURN(STRING);
             }
             strbuf_append(count++, cursor, s, s->tok[0]);
             goto stringconst_scan;
         }
     */
 }