Make this into a more general tool. Allow to specify the names of the

output files and the location of the template on command line.

(Submitting the patches to the author)

2 files changed, 95 insertions, 16 deletions

diff --git a/devel/lemon/Makefile b/devel/lemon/Makefile
index b356ade89c08..d69c1560c072 100644
--- a/devel/lemon/Makefile
+++ b/devel/lemon/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	lemon
 PORTVERSION=	1.0
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	http://www.hwaci.com/sw/lemon/
 DISTFILES=	lemon.c lempar.c
diff --git a/devel/lemon/files/patch-aa b/devel/lemon/files/patch-aa
index 663a90cf1cb2..2e4e46d78555 100644
--- a/devel/lemon/files/patch-aa
+++ b/devel/lemon/files/patch-aa
@@ -1,21 +1,93 @@
---- /usr/ports/distfiles/lemon.c	Tue Dec  5 20:52:24 2000
-+++ ./lemon.c	Mon Jun  4 23:35:15 2001
-@@ -31,2 +31,5 @@
+--- lemon.c	Tue Dec  5 20:52:24 2000
++++ lemon.c	Thu Jun  7 21:13:39 2001
+@@ -30,10 +30,11 @@
+ #include <string.h>
  #include <ctype.h>
 +#include <unistd.h>
 +#include <stdlib.h>
 +#include <sys/param.h>
  
-@@ -35,4 +38,2 @@
+ extern void qsort();
+ extern double strtod();
  extern long strtol();
 -extern void free();
 -extern int access();
  extern int atoi();
-@@ -55,3 +56,2 @@
+ 
+@@ -54,5 +55,4 @@
+ 
  char *msort();
 -extern void *malloc();
  
-@@ -2525,45 +2525,13 @@
+ /******** From the file "action.h" *************************************/
+@@ -1168,4 +1168,26 @@
+ }
+ 
++static char *lempar_locations[] = {
++	NULL, "lempar.c", LEMPAR
++};
++
++void setlempar(lempar)
++char *lempar;
++{
++	if (access(lempar, R_OK)) {
++		perror(lempar);
++		exit(1);
++	}
++	lempar_locations[0] = lempar;
++}
++
++static char *output_file = NULL;
++
++void setoutput(base)
++char *base;
++{
++	if (output_file = malloc(strlen(base) + 1))
++		sprintf(output_file, "%s.", base);
++}
+ 
+ /* The main program.  Parse the command line and do it... */
+@@ -1185,7 +1207,12 @@
+     {OPT_FLAG, "c", (char*)&compress, "Don't compress the action table."},
+     {OPT_FLAG, "g", (char*)&rpflag, "Print grammar without actions."},
+-    {OPT_FLAG, "m", (char*)&mhflag, "Output a makeheaders compatible file"},
++    {OPT_FLAG, "m", (char*)&mhflag, "Output a makeheaders compatible file."},
++    {OPT_FSTR, "o", (char*)setoutput, "Set the dirname/basename for the "
++				"output file(s)."},
+     {OPT_FLAG, "q", (char*)&quiet, "(Quiet) Don't print the report file."},
+     {OPT_FLAG, "s", (char*)&statistics, "Print parser stats to standard output."},
++    {OPT_FSTR, "t", (char*)setlempar, "An alternative template -- instead of"
++				" ``./lempar.c''\n\t\tor the system wide ``"
++				LEMPAR"''."},
+     {OPT_FLAG, "x", (char*)&version, "Print the version number."},
+     {OPT_FLAG,0,0,0}
+@@ -2305,4 +2332,5 @@
+   }
+ }
++
+ /*********************** From the file "report.c" **************************/
+ /*
+@@ -2318,13 +2346,14 @@
+ char *suffix;
+ {
+-  char *name;
+-  char *cp;
++  char *name = NULL;
++  char *cp, *fname;
+ 
+-  name = malloc( strlen(lemp->filename) + strlen(suffix) + 5 );
++  fname = output_file ? output_file : lemp->filename;
++  name = malloc( strlen(fname) + strlen(suffix));
+   if( name==0 ){
+     fprintf(stderr,"Can't allocate space for a filename.\n");
+     exit(1);
+   }
+-  strcpy(name,lemp->filename);
++  strcpy(name, fname);
+   cp = strrchr(name,'.');
+   if( cp ) *cp = 0;
+@@ -2524,47 +2553,14 @@
+ }
  
 -/* Search for the file "name" which is in the same directory as
 -** the exacutable */
@@ -29,7 +101,8 @@
 -  char *path,*cp;
 -  char c;
 -  extern int access();
-+  const char *path;
++  int i;
++  const char *path = NULL;
  
 -#ifdef __WIN32__
 -  cp = strrchr(argv0,'\\');
@@ -62,15 +135,15 @@
 -    }
 -  }
 -  return path;
-+  path = getenv("LEMPAR");
-+
-+  if (path)
-+    if (access(path, R_OK)) perror(path);
-+    else return(path);
++  for (i = 0; i < sizeof(lempar_locations)/sizeof(char *); i++)
++    if (lempar_locations[i] && access(lempar_locations[i], R_OK) == 0)
++      return lempar_locations[i];
 +
-+  return(LEMPAR);
++  return(NULL);
  }
-@@ -2631,6 +2599,5 @@
+ 
+@@ -2630,8 +2626,7 @@
+ struct lemon *lemp;
  {
 -  static char templatename[] = "lempar.c";
 -  char buf[1000];
@@ -79,7 +152,9 @@
 -  char *tpltname;
 +  const char *tpltname;
    char *cp;
-@@ -2643,10 +2610,9 @@
+ 
+@@ -2642,12 +2637,11 @@
+     sprintf(buf,"%s.lt",lemp->filename);
    }
 -  if( access(buf,004)==0 ){
 +  if( access(buf, R_OK)==0 ){
@@ -93,8 +168,11 @@
 -    templatename);
 +    fprintf(stderr,"Can't find the parser driver template file.\n");
      lemp->errorcnt++;
-@@ -2656,3 +2622,3 @@
+     return 0;
+@@ -2655,5 +2649,5 @@
+   in = fopen(tpltname,"r");
    if( in==0 ){
 -    fprintf(stderr,"Can't open the template file \"%s\".\n",templatename);
 +    fprintf(stderr,"Can't open the template file \"%s\".\n", tpltname);
      lemp->errorcnt++;
+     return 0;