diff options
Diffstat (limited to 'contrib/global/gctags/ctags.c')
| -rw-r--r-- | contrib/global/gctags/ctags.c | 135 |
1 files changed, 52 insertions, 83 deletions
diff --git a/contrib/global/gctags/ctags.c b/contrib/global/gctags/ctags.c index 5924cca..0253ab5 100644 --- a/contrib/global/gctags/ctags.c +++ b/contrib/global/gctags/ctags.c @@ -42,7 +42,6 @@ static const char rcsid[] = "$Id: ctags.c,v 1.3 1997/07/10 06:43:40 charnier Exp $"; #endif /* LIBC_SCCS and not lint */ -#include <err.h> #include <limits.h> #include <stdio.h> #include <string.h> @@ -50,6 +49,10 @@ static const char rcsid[] = #include <unistd.h> #include "ctags.h" +#ifdef GLOBAL +#include "lookup.h" +#include "die.h" +#endif /* * ctags: create a tags file @@ -66,17 +69,21 @@ FILE *outf; /* ioptr for tags file */ long lineftell; /* ftell after getc( inf ) == '\n' */ int lineno; /* line number of current line */ +#ifdef GLOBAL +int cflag; /* -c: compact index */ +#endif int dflag; /* -d: non-macro defines */ -#ifdef GTAGS +#ifdef GLOBAL int eflag; /* -e: '{' at 0 column force function end */ #endif int tflag; /* -t: create tags for typedefs */ int vflag; /* -v: vgrind style index output */ int wflag; /* -w: suppress warnings */ int xflag; /* -x: cxref style output */ -#ifdef GTAGS +#ifdef GLOBAL int Dflag; /* -D: allow duplicate entrys */ int rflag; /* -r: function reference */ +int sflag; /* -s: collect symbols */ #endif #ifdef YACC int yaccfile; /* yacc file */ @@ -85,6 +92,7 @@ int yaccfile; /* yacc file */ char *curfile; /* current input file name */ char searchar = '/'; /* use /.../ searches by default */ char lbuf[LINE_MAX]; +char *progname = "gctags"; /* program name */ void init __P((void)); void find_entries __P((char *)); @@ -107,8 +115,8 @@ main(argc, argv) extern int optind; aflag = uflag = NO; -#ifdef GTAGS - while ((ch = getopt(argc, argv, "BDFadef:rtuwvxy")) != -1) +#ifdef GLOBAL + while ((ch = getopt(argc, argv, "BDFacdef:rstuwvx")) != -1) #else while ((ch = getopt(argc, argv, "BFadf:tuwvx")) != -1) #endif @@ -116,7 +124,7 @@ main(argc, argv) case 'B': searchar = '?'; break; -#ifdef GTAGS +#ifdef GLOBAL case 'D': Dflag++; break; @@ -124,13 +132,23 @@ main(argc, argv) case 'F': searchar = '/'; break; +#ifdef GLOBAL + case 's': + sflag++; + break; +#endif case 'a': aflag++; break; +#ifdef GLOBAL + case 'c': + cflag++; + break; +#endif case 'd': dflag++; break; -#ifdef GTAGS +#ifdef GLOBAL case 'e': eflag++; break; @@ -138,7 +156,7 @@ main(argc, argv) case 'f': outfile = optarg; break; -#ifdef GTAGS +#ifdef GLOBAL case 'r': rflag++; break; @@ -165,15 +183,22 @@ main(argc, argv) argc -= optind; if (!argc) usage(); -#ifdef GTAGS - if (rflag) - gtagopen(); +#ifdef GLOBAL + if (sflag && rflag) + die("-s and -r conflict."); + if (rflag) { + char *dbpath; + + if (!(dbpath = getenv("GTAGSDBPATH"))) + dbpath = "."; + lookupopen(dbpath); + } #endif init(); for (exit_val = step = 0; step < argc; ++step) if (!(inf = fopen(argv[step], "r"))) { - warnx("%s cannot open", argv[step]); + fprintf(stderr, "%s: %s cannot open\n", progname, argv[step]); exit_val = 1; } else { @@ -183,9 +208,13 @@ main(argc, argv) } if (head) - if (xflag) + if (xflag) { put_entries(head); - else { +#ifdef GLOBAL + if (cflag) + compact_print("", 0, "");/* flush last record */ +#endif + } else { if (uflag) { for (step = 0; step < argc; step++) { (void)sprintf(cmd, @@ -197,7 +226,7 @@ main(argc, argv) ++aflag; } if (!(outf = fopen(outfile, aflag ? "a" : "w"))) { - warnx("%s cannot open", outfile); + fprintf(stderr, "%s: %s cannot open\n", progname, outfile); exit(exit_val); } put_entries(head); @@ -208,9 +237,9 @@ main(argc, argv) system(cmd); } } -#ifdef GTAGS +#ifdef GLOBAL if (rflag) - gtagclose(); + lookupclose(); #endif exit(exit_val); } @@ -219,10 +248,10 @@ static void usage() { (void)fprintf(stderr, -#ifdef GTAGS - "usage: gctags [-BDFadrtuwvx] [-f tagsfile] file ...\n"); +#ifdef GLOBAL + "usage: gctags [-BDFacderstuvwx] [-f tagsfile] file ...\n"); #else - "usage: gctags [-BFadtuwvx] [-f tagsfile] file ...\n"); + "usage: ctags [-BFadtuwvx] [-f tagsfile] file ...\n"); #endif exit(1); } @@ -280,7 +309,7 @@ find_entries(file) if (cp[1] == 'l' && !cp[2]) { int c; -#ifdef GTAGS +#ifdef GLOBAL if (rflag) fprintf(stderr, "-r option is ignored in lisp file (Warning only)\n"); #endif @@ -327,14 +356,14 @@ find_entries(file) pfnote("yyparse", lineno); y_entries(); } -#ifdef GTAGS +#ifdef GLOBAL /* assembler */ else if ((cp[1] == 's' || cp[1] == 'S') && !cp[2]) { asm_entries(); return; } #endif /* fortran */ else if ((cp[1] != 'c' && cp[1] != 'h') && !cp[2]) { -#ifdef GTAGS +#ifdef GLOBAL if (rflag) fprintf(stderr, "-r option is ignored in fortran file (Warning only)\n"); #endif @@ -348,63 +377,3 @@ find_entries(file) #endif /* C */ c_entries(); } - -#ifdef GTAGS -#include <db.h> -DB *db; - -void -gtagopen() -{ - BTREEINFO info; - char *env; - char dbname[200]; - - strcpy(dbname, "."); - if ((env = getenv("GTAGDBPATH"))) { - strcpy(dbname, env); - } - strcat(dbname, "/GTAGS"); - - info.flags = 0; - info.cachesize = 500000; - info.maxkeypage = 0; - info.minkeypage = 0; - info.psize = 0; - info.compare = 0; - info.prefix = 0; - info.lorder = 0; - -#define O_RDONLY 0x0000 /* open for reading only */ - db = dbopen(dbname, O_RDONLY, 0, DB_BTREE, &info); - if (db == 0) - errx(1, "GTAGS file needed"); -} -int -isdefined(skey) -char *skey; -{ - DBT dat, key; - int status; - - key.data = skey; - key.size = strlen(skey)+1; - - status = (*db->get)(db, &key, &dat, 0); - switch (status) { - case RET_SUCCESS: - return(1); /* exist */ - case RET_ERROR: - errx(1, "db->get failed"); - case RET_SPECIAL: /* not exist */ - break; - } - return 0; -} -void -gtagclose() -{ - if (db->close(db)) - errx(1, "GTAGS cannot close.(dbclose)"); -} -#endif |
