Add \x hex support to ecpg strings. This just passes them to the backend.

diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index ce1b4eb885aebc2382c933e869349945dffa3b38..c86f2cdf1e1fcfeaefac37da51f2d7cabab2e6f8 100644 (file)
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *   $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.135 2005/02/02 15:37:43 meskes Exp $
+ *   $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.136 2005/06/16 01:43:48 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -139,8 +139,9 @@ xqstart         {quote}
 xqstop         {quote}
 xqdouble       {quote}{quote}
 xqinside       [^\\']+
-xqescape                [\\][^0-7]
-xqoctesc                [\\][0-7]{1,3}
+xqescape       [\\][^0-7]
+xqoctesc       [\\][0-7]{1,3}
+xqhexesc       [\\]x[0-9A-Fa-f]{1,2}
 xqcat          {quote}{whitespace_with_newline}{quote}
 
 /* $foo$ style quotes ("dollar quoting")
@@ -400,7 +401,8 @@ cppline         {space}*#(.*\\{space})*.*{newline}
 {xqdouble}     { addlitchar('\''); }
 {xqinside}     { addlit(yytext, yyleng); }
 {xqescape}     { addlit(yytext, yyleng); }
-{xqoctesc}          { addlit(yytext, yyleng); }
+{xqoctesc}     { addlit(yytext, yyleng); }
+{xqhexesc}     { addlit(yytext, yyleng); }
 {xqcat}        { /* ignore */ }
 .                   {
                                        /* This is only needed for \ just before EOF */