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" | |
864dbfa3 | 16 | #define PERL_IN_DEB_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
c5be433b GS |
19 | #if defined(PERL_IMPLICIT_CONTEXT) |
20 | void | |
21 | Perl_deb_nocontext(const char *pat, ...) | |
22 | { | |
23 | #ifdef DEBUGGING | |
24 | dTHX; | |
25 | va_list args; | |
26 | va_start(args, pat); | |
27 | vdeb(pat, &args); | |
28 | va_end(args); | |
29 | #endif /* DEBUGGING */ | |
30 | } | |
31 | #endif | |
32 | ||
8990e307 | 33 | void |
864dbfa3 | 34 | Perl_deb(pTHX_ const char *pat, ...) |
79072805 | 35 | { |
17c3b450 | 36 | #ifdef DEBUGGING |
79072805 | 37 | va_list args; |
c5be433b GS |
38 | va_start(args, pat); |
39 | vdeb(pat, &args); | |
40 | va_end(args); | |
41 | #endif /* DEBUGGING */ | |
42 | } | |
43 | ||
44 | void | |
45 | Perl_vdeb(pTHX_ const char *pat, va_list *args) | |
46 | { | |
47 | #ifdef DEBUGGING | |
48 | dTHR; | |
79072805 | 49 | register I32 i; |
3280af22 | 50 | GV* gv = PL_curcop->cop_filegv; |
79072805 | 51 | |
11343788 | 52 | #ifdef USE_THREADS |
5dc0d613 MB |
53 | PerlIO_printf(Perl_debug_log, "0x%lx (%s:%ld)\t", |
54 | (unsigned long) thr, | |
55 | SvTYPE(gv) == SVt_PVGV ? SvPVX(GvSV(gv)) : "<free>", | |
533c011a | 56 | (long)PL_curcop->cop_line); |
11343788 | 57 | #else |
760ac839 | 58 | PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", |
a0d0e21e | 59 | SvTYPE(gv) == SVt_PVGV ? SvPVX(GvSV(gv)) : "<free>", |
3280af22 | 60 | (long)PL_curcop->cop_line); |
11343788 | 61 | #endif /* USE_THREADS */ |
3280af22 NIS |
62 | for (i=0; i<PL_dlevel; i++) |
63 | PerlIO_printf(Perl_debug_log, "%c%c ",PL_debname[i],PL_debdelim[i]); | |
c5be433b | 64 | (void) PerlIO_vprintf(Perl_debug_log, pat, *args); |
17c3b450 | 65 | #endif /* DEBUGGING */ |
79072805 | 66 | } |
79072805 LW |
67 | |
68 | void | |
864dbfa3 | 69 | Perl_deb_growlevel(pTHX) |
79072805 | 70 | { |
17c3b450 | 71 | #ifdef DEBUGGING |
3280af22 NIS |
72 | PL_dlmax += 128; |
73 | Renew(PL_debname, PL_dlmax, char); | |
74 | Renew(PL_debdelim, PL_dlmax, char); | |
17c3b450 | 75 | #endif /* DEBUGGING */ |
79072805 LW |
76 | } |
77 | ||
78 | I32 | |
864dbfa3 | 79 | Perl_debstackptrs(pTHX) |
79072805 | 80 | { |
17c3b450 | 81 | #ifdef DEBUGGING |
11343788 | 82 | dTHR; |
760ac839 | 83 | PerlIO_printf(Perl_debug_log, "%8lx %8lx %8ld %8ld %8ld\n", |
3280af22 NIS |
84 | (unsigned long)PL_curstack, (unsigned long)PL_stack_base, |
85 | (long)*PL_markstack_ptr, (long)(PL_stack_sp-PL_stack_base), | |
86 | (long)(PL_stack_max-PL_stack_base)); | |
760ac839 | 87 | PerlIO_printf(Perl_debug_log, "%8lx %8lx %8ld %8ld %8ld\n", |
3280af22 NIS |
88 | (unsigned long)PL_mainstack, (unsigned long)AvARRAY(PL_curstack), |
89 | (long)PL_mainstack, (long)AvFILLp(PL_curstack), (long)AvMAX(PL_curstack)); | |
17c3b450 | 90 | #endif /* DEBUGGING */ |
79072805 LW |
91 | return 0; |
92 | } | |
93 | ||
94 | I32 | |
864dbfa3 | 95 | Perl_debstack(pTHX) |
79072805 | 96 | { |
17c3b450 | 97 | #ifdef DEBUGGING |
11343788 | 98 | dTHR; |
3280af22 | 99 | I32 top = PL_stack_sp - PL_stack_base; |
a0d0e21e | 100 | register I32 i = top - 30; |
3280af22 | 101 | I32 *markscan = PL_curstackinfo->si_markbase; |
a0d0e21e LW |
102 | |
103 | if (i < 0) | |
104 | i = 0; | |
105 | ||
3280af22 | 106 | while (++markscan <= PL_markstack_ptr) |
a0d0e21e LW |
107 | if (*markscan >= i) |
108 | break; | |
79072805 | 109 | |
11343788 | 110 | #ifdef USE_THREADS |
5dc0d613 MB |
111 | PerlIO_printf(Perl_debug_log, i ? "0x%lx => ... " : "0x%lx => ", |
112 | (unsigned long) thr); | |
11343788 | 113 | #else |
760ac839 | 114 | PerlIO_printf(Perl_debug_log, i ? " => ... " : " => "); |
11343788 | 115 | #endif /* USE_THREADS */ |
3280af22 | 116 | if (PL_stack_base[0] != &PL_sv_undef || PL_stack_sp < PL_stack_base) |
760ac839 | 117 | PerlIO_printf(Perl_debug_log, " [STACK UNDERFLOW!!!]\n"); |
a0d0e21e LW |
118 | do { |
119 | ++i; | |
3280af22 | 120 | if (markscan <= PL_markstack_ptr && *markscan < i) { |
a0d0e21e LW |
121 | do { |
122 | ++markscan; | |
760ac839 | 123 | PerlIO_putc(Perl_debug_log, '*'); |
a0d0e21e | 124 | } |
3280af22 | 125 | while (markscan <= PL_markstack_ptr && *markscan < i); |
760ac839 | 126 | PerlIO_printf(Perl_debug_log, " "); |
79072805 | 127 | } |
a0d0e21e LW |
128 | if (i > top) |
129 | break; | |
3280af22 | 130 | PerlIO_printf(Perl_debug_log, "%-4s ", SvPEEK(PL_stack_base[i])); |
79072805 | 131 | } |
a0d0e21e | 132 | while (1); |
760ac839 | 133 | PerlIO_printf(Perl_debug_log, "\n"); |
17c3b450 | 134 | #endif /* DEBUGGING */ |
79072805 LW |
135 | return 0; |
136 | } |