Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* deb.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
79072805 LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "Didst thou think that the eyes of the White Tower were blind? Nay, I | |
12 | * have seen more than thou knowest, Gray Fool." --Denethor | |
79072805 LW |
13 | */ |
14 | ||
15 | #include "EXTERN.h" | |
16 | #include "perl.h" | |
17 | ||
8990e307 | 18 | void |
71be2cbc | 19 | deb(const char *pat, ...) |
79072805 | 20 | { |
17c3b450 | 21 | #ifdef DEBUGGING |
11343788 | 22 | dTHR; |
79072805 | 23 | va_list args; |
79072805 | 24 | register I32 i; |
3280af22 | 25 | GV* gv = PL_curcop->cop_filegv; |
79072805 | 26 | |
11343788 | 27 | #ifdef USE_THREADS |
5dc0d613 MB |
28 | PerlIO_printf(Perl_debug_log, "0x%lx (%s:%ld)\t", |
29 | (unsigned long) thr, | |
30 | SvTYPE(gv) == SVt_PVGV ? SvPVX(GvSV(gv)) : "<free>", | |
533c011a | 31 | (long)PL_curcop->cop_line); |
11343788 | 32 | #else |
760ac839 | 33 | PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", |
a0d0e21e | 34 | SvTYPE(gv) == SVt_PVGV ? SvPVX(GvSV(gv)) : "<free>", |
3280af22 | 35 | (long)PL_curcop->cop_line); |
11343788 | 36 | #endif /* USE_THREADS */ |
3280af22 NIS |
37 | for (i=0; i<PL_dlevel; i++) |
38 | PerlIO_printf(Perl_debug_log, "%c%c ",PL_debname[i],PL_debdelim[i]); | |
79072805 | 39 | |
8990e307 | 40 | va_start(args, pat); |
760ac839 | 41 | (void) PerlIO_vprintf(Perl_debug_log,pat,args); |
79072805 | 42 | va_end( args ); |
17c3b450 | 43 | #endif /* DEBUGGING */ |
79072805 | 44 | } |
79072805 LW |
45 | |
46 | void | |
8ac85365 | 47 | deb_growlevel(void) |
79072805 | 48 | { |
17c3b450 | 49 | #ifdef DEBUGGING |
3280af22 NIS |
50 | PL_dlmax += 128; |
51 | Renew(PL_debname, PL_dlmax, char); | |
52 | Renew(PL_debdelim, PL_dlmax, char); | |
17c3b450 | 53 | #endif /* DEBUGGING */ |
79072805 LW |
54 | } |
55 | ||
56 | I32 | |
8ac85365 | 57 | debstackptrs(void) |
79072805 | 58 | { |
17c3b450 | 59 | #ifdef DEBUGGING |
11343788 | 60 | dTHR; |
760ac839 | 61 | PerlIO_printf(Perl_debug_log, "%8lx %8lx %8ld %8ld %8ld\n", |
3280af22 NIS |
62 | (unsigned long)PL_curstack, (unsigned long)PL_stack_base, |
63 | (long)*PL_markstack_ptr, (long)(PL_stack_sp-PL_stack_base), | |
64 | (long)(PL_stack_max-PL_stack_base)); | |
760ac839 | 65 | PerlIO_printf(Perl_debug_log, "%8lx %8lx %8ld %8ld %8ld\n", |
3280af22 NIS |
66 | (unsigned long)PL_mainstack, (unsigned long)AvARRAY(PL_curstack), |
67 | (long)PL_mainstack, (long)AvFILLp(PL_curstack), (long)AvMAX(PL_curstack)); | |
17c3b450 | 68 | #endif /* DEBUGGING */ |
79072805 LW |
69 | return 0; |
70 | } | |
71 | ||
72 | I32 | |
8ac85365 | 73 | debstack(void) |
79072805 | 74 | { |
17c3b450 | 75 | #ifdef DEBUGGING |
11343788 | 76 | dTHR; |
3280af22 | 77 | I32 top = PL_stack_sp - PL_stack_base; |
a0d0e21e | 78 | register I32 i = top - 30; |
3280af22 | 79 | I32 *markscan = PL_curstackinfo->si_markbase; |
a0d0e21e LW |
80 | |
81 | if (i < 0) | |
82 | i = 0; | |
83 | ||
3280af22 | 84 | while (++markscan <= PL_markstack_ptr) |
a0d0e21e LW |
85 | if (*markscan >= i) |
86 | break; | |
79072805 | 87 | |
11343788 | 88 | #ifdef USE_THREADS |
5dc0d613 MB |
89 | PerlIO_printf(Perl_debug_log, i ? "0x%lx => ... " : "0x%lx => ", |
90 | (unsigned long) thr); | |
11343788 | 91 | #else |
760ac839 | 92 | PerlIO_printf(Perl_debug_log, i ? " => ... " : " => "); |
11343788 | 93 | #endif /* USE_THREADS */ |
3280af22 | 94 | if (PL_stack_base[0] != &PL_sv_undef || PL_stack_sp < PL_stack_base) |
760ac839 | 95 | PerlIO_printf(Perl_debug_log, " [STACK UNDERFLOW!!!]\n"); |
a0d0e21e LW |
96 | do { |
97 | ++i; | |
3280af22 | 98 | if (markscan <= PL_markstack_ptr && *markscan < i) { |
a0d0e21e LW |
99 | do { |
100 | ++markscan; | |
760ac839 | 101 | PerlIO_putc(Perl_debug_log, '*'); |
a0d0e21e | 102 | } |
3280af22 | 103 | while (markscan <= PL_markstack_ptr && *markscan < i); |
760ac839 | 104 | PerlIO_printf(Perl_debug_log, " "); |
79072805 | 105 | } |
a0d0e21e LW |
106 | if (i > top) |
107 | break; | |
3280af22 | 108 | PerlIO_printf(Perl_debug_log, "%-4s ", SvPEEK(PL_stack_base[i])); |
79072805 | 109 | } |
a0d0e21e | 110 | while (1); |
760ac839 | 111 | PerlIO_printf(Perl_debug_log, "\n"); |
17c3b450 | 112 | #endif /* DEBUGGING */ |
79072805 LW |
113 | return 0; |
114 | } |