yacc-debug.patch

   1 ---
   2
   3  source/parse.y |   16 ++++++++++++++++
   4  1 file changed, 16 insertions(+)
   5
   6 diff --quilt old/source/parse.y new/source/parse.y
   7 --- old/source/parse.y
   8 +++ new/source/parse.y
   9 @@ -455,6 +455,12 @@ Program *ParseMacro(char *expr, char **m
  10  {
  11      Program *prog;
  12
  13 +#if YYDEBUG
  14 +    int oldyydebug = yydebug;
  15 +    yydebug = 1;
  16 +#endif
  17 +
  18 +
  19      BeginCreatingProgram();
  20
  21      /* call yyparse to parse the string and check for success.  If the parse
  22 @@ -465,6 +471,11 @@ Program *ParseMacro(char *expr, char **m
  23          *msg = ErrMsg;
  24          *stoppedAt = InPtr;
  25          FreeProgram(FinishCreatingProgram());
  26 +
  27 +#if YYDEBUG
  28 +        yydebug = oldyydebug;
  29 +#endif
  30 +
  31          return NULL;
  32      }
  33
  34 @@ -474,6 +485,11 @@ Program *ParseMacro(char *expr, char **m
  35      /* parse succeeded */
  36      *msg = "";
  37      *stoppedAt = InPtr;
  38 +
  39 +#if YYDEBUG
  40 +    yydebug = oldyydebug;
  41 +#endif
  42 +
  43      return prog;
  44  }
  45