Commit | Line | Data |
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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" | |
864dbfa3 | 16 | #define PERL_IN_DEB_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
8990e307 | 19 | void |
864dbfa3 | 20 | Perl_deb(pTHX_ const char *pat, ...) |
79072805 | 21 | { |
17c3b450 | 22 | #ifdef DEBUGGING |
11343788 | 23 | dTHR; |
79072805 | 24 | va_list args; |
79072805 | 25 | register I32 i; |
3280af22 | 26 | GV* gv = PL_curcop->cop_filegv; |
79072805 | 27 | |
11343788 | 28 | #ifdef USE_THREADS |
5dc0d613 MB |
29 | PerlIO_printf(Perl_debug_log, "0x%lx (%s:%ld)\t", |
30 | (unsigned long) thr, | |
31 | SvTYPE(gv) == SVt_PVGV ? SvPVX(GvSV(gv)) : "<free>", | |
533c011a | 32 | (long)PL_curcop->cop_line); |
11343788 | 33 | #else |
760ac839 | 34 | PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", |
a0d0e21e | 35 | SvTYPE(gv) == SVt_PVGV ? SvPVX(GvSV(gv)) : "<free>", |
3280af22 | 36 | (long)PL_curcop->cop_line); |
11343788 | 37 | #endif /* USE_THREADS */ |
3280af22 NIS |
38 | for (i=0; i<PL_dlevel; i++) |
39 | PerlIO_printf(Perl_debug_log, "%c%c ",PL_debname[i],PL_debdelim[i]); | |
79072805 | 40 | |
8990e307 | 41 | va_start(args, pat); |
760ac839 | 42 | (void) PerlIO_vprintf(Perl_debug_log,pat,args); |
79072805 | 43 | va_end( args ); |
17c3b450 | 44 | #endif /* DEBUGGING */ |
79072805 | 45 | } |
79072805 LW |
46 | |
47 | void | |
864dbfa3 | 48 | Perl_deb_growlevel(pTHX) |
79072805 | 49 | { |
17c3b450 | 50 | #ifdef DEBUGGING |
3280af22 NIS |
51 | PL_dlmax += 128; |
52 | Renew(PL_debname, PL_dlmax, char); | |
53 | Renew(PL_debdelim, PL_dlmax, char); | |
17c3b450 | 54 | #endif /* DEBUGGING */ |
79072805 LW |
55 | } |
56 | ||
57 | I32 | |
864dbfa3 | 58 | Perl_debstackptrs(pTHX) |
79072805 | 59 | { |
17c3b450 | 60 | #ifdef DEBUGGING |
11343788 | 61 | dTHR; |
760ac839 | 62 | PerlIO_printf(Perl_debug_log, "%8lx %8lx %8ld %8ld %8ld\n", |
3280af22 NIS |
63 | (unsigned long)PL_curstack, (unsigned long)PL_stack_base, |
64 | (long)*PL_markstack_ptr, (long)(PL_stack_sp-PL_stack_base), | |
65 | (long)(PL_stack_max-PL_stack_base)); | |
760ac839 | 66 | PerlIO_printf(Perl_debug_log, "%8lx %8lx %8ld %8ld %8ld\n", |
3280af22 NIS |
67 | (unsigned long)PL_mainstack, (unsigned long)AvARRAY(PL_curstack), |
68 | (long)PL_mainstack, (long)AvFILLp(PL_curstack), (long)AvMAX(PL_curstack)); | |
17c3b450 | 69 | #endif /* DEBUGGING */ |
79072805 LW |
70 | return 0; |
71 | } | |
72 | ||
73 | I32 | |
864dbfa3 | 74 | Perl_debstack(pTHX) |
79072805 | 75 | { |
17c3b450 | 76 | #ifdef DEBUGGING |
11343788 | 77 | dTHR; |
3280af22 | 78 | I32 top = PL_stack_sp - PL_stack_base; |
a0d0e21e | 79 | register I32 i = top - 30; |
3280af22 | 80 | I32 *markscan = PL_curstackinfo->si_markbase; |
a0d0e21e LW |
81 | |
82 | if (i < 0) | |
83 | i = 0; | |
84 | ||
3280af22 | 85 | while (++markscan <= PL_markstack_ptr) |
a0d0e21e LW |
86 | if (*markscan >= i) |
87 | break; | |
79072805 | 88 | |
11343788 | 89 | #ifdef USE_THREADS |
5dc0d613 MB |
90 | PerlIO_printf(Perl_debug_log, i ? "0x%lx => ... " : "0x%lx => ", |
91 | (unsigned long) thr); | |
11343788 | 92 | #else |
760ac839 | 93 | PerlIO_printf(Perl_debug_log, i ? " => ... " : " => "); |
11343788 | 94 | #endif /* USE_THREADS */ |
3280af22 | 95 | if (PL_stack_base[0] != &PL_sv_undef || PL_stack_sp < PL_stack_base) |
760ac839 | 96 | PerlIO_printf(Perl_debug_log, " [STACK UNDERFLOW!!!]\n"); |
a0d0e21e LW |
97 | do { |
98 | ++i; | |
3280af22 | 99 | if (markscan <= PL_markstack_ptr && *markscan < i) { |
a0d0e21e LW |
100 | do { |
101 | ++markscan; | |
760ac839 | 102 | PerlIO_putc(Perl_debug_log, '*'); |
a0d0e21e | 103 | } |
3280af22 | 104 | while (markscan <= PL_markstack_ptr && *markscan < i); |
760ac839 | 105 | PerlIO_printf(Perl_debug_log, " "); |
79072805 | 106 | } |
a0d0e21e LW |
107 | if (i > top) |
108 | break; | |
3280af22 | 109 | PerlIO_printf(Perl_debug_log, "%-4s ", SvPEEK(PL_stack_base[i])); |
79072805 | 110 | } |
a0d0e21e | 111 | while (1); |
760ac839 | 112 | PerlIO_printf(Perl_debug_log, "\n"); |
17c3b450 | 113 | #endif /* DEBUGGING */ |
79072805 LW |
114 | return 0; |
115 | } |