Added -T option, to specify a template filename on the command line.

The default is still "lempar.c", though.

FossilOrigin-Name: e6cbe1e5ee80db282a41951b805b7bd8b13adf28

manifest

@@ -1,5 +1,8 @@
-C Merged\stracing\sand\sinitialization\schanges\sfrom\smutex_unix.c.
-D 2010-02-13T02:31:09
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA1
+
+C Added\s-T\soption,\sto\sspecify\sa\stemplate\sfilename\son\sthe\scommand\sline.\n\nThe\sdefault\sis\sstill\s"lempar.c",\sthough.
+D 2010-02-14T00:48:50
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in c5827ead754ab32b9585487177c93bb00b9497b3
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -762,7 +765,7 @@ F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
 F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
 F tool/genfkey.README cf68fddd4643bbe3ff8e31b8b6d8b0a1b85e20f4
 F tool/genfkey.test 4196a8928b78f51d54ef58e99e99401ab2f0a7e5
-F tool/lemon.c 102000370ae3de57e1198faffbccf3b1d71d6f75
+F tool/lemon.c bcaf8e9233f3c569db307294d7c0682c07422305
 F tool/lempar.c 01ca97f87610d1dac6d8cd96ab109ab1130e76dc
 F tool/mkkeywordhash.c d2e6b4a5965e23afb80fbe74bb54648cd371f309
 F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e
@@ -787,7 +790,24 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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-R 232b63cb29b9e4506009aea6dd09a4d6
-U shaneh
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+P 942aa1f6a91655356cc32a8185cb447331d405dc
+R a533a4c38e9fa99b703ef96e4f6dcf6f
+U icculus
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manifest.uuid

@@ -1 +1 @@
-942aa1f6a91655356cc32a8185cb447331d405dc
+e6cbe1e5ee80db282a41951b805b7bd8b13adf28

tool/lemon.c

@@ -1429,6 +1429,14 @@ static void handle_D_option(char *z){
   *z = 0;
 }
 
+static char *user_templatename = NULL;
+static void handle_T_option(char *z){
+  user_templatename = malloc( lemonStrlen(z)+1 );
+  if( user_templatename==0 ){
+    memory_error();
+  }
+  strcpy(user_templatename, z);
+}
 
 /* The main program.  Parse the command line and do it... */
 int main(argc,argv)
@@ -1447,6 +1455,7 @@ char **argv;
     {OPT_FLAG, "b", (char*)&basisflag, "Print only the basis in report."},
     {OPT_FLAG, "c", (char*)&compress, "Don't compress the action table."},
     {OPT_FSTR, "D", (char*)handle_D_option, "Define an %ifdef macro."},
+    {OPT_FSTR, "T", (char*)handle_T_option, "Specify a template file."},
     {OPT_FLAG, "g", (char*)&rpflag, "Print grammar without actions."},
     {OPT_FLAG, "m", (char*)&mhflag, "Output a makeheaders compatible file."},
     {OPT_FLAG, "l", (char*)&nolinenosflag, "Do not print #line statements."},
@@ -3112,6 +3121,23 @@ struct lemon *lemp;
   char *tpltname;
   char *cp;
 
+  /* first, see if user specified a template filename on the command line. */
+  if (user_templatename != 0) {
+    if( access(user_templatename,004)==-1 ){
+      fprintf(stderr,"Can't find the parser driver template file \"%s\".\n",
+        user_templatename);
+      lemp->errorcnt++;
+      return 0;
+    }
+    in = fopen(user_templatename,"rb");
+    if( in==0 ){
+      fprintf(stderr,"Can't open the template file \"%s\".\n",user_templatename);
+      lemp->errorcnt++;
+      return 0;
+    }
+    return in;
+  }
+
   cp = strrchr(lemp->filename,'.');
   if( cp ){
     sprintf(buf,"%.*s.lt",(int)(cp-lemp->filename),lemp->filename);