Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* deb.c |
79072805 | 2 | * |
1761cee5 | 3 | * Copyright (c) 1991-2000, 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; |
cc49e20b | 50 | char* file = CopFILE(PL_curcop); |
79072805 | 51 | |
11343788 | 52 | #ifdef USE_THREADS |
b900a521 JH |
53 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" (%s:%ld)\t", |
54 | PTR2UV(thr), | |
cc49e20b GS |
55 | (file ? file : "<free>"), |
56 | (long)CopLINE(PL_curcop)); | |
11343788 | 57 | #else |
cc49e20b GS |
58 | PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", (file ? file : "<free>"), |
59 | (long)CopLINE(PL_curcop)); | |
11343788 | 60 | #endif /* USE_THREADS */ |
c5be433b | 61 | (void) PerlIO_vprintf(Perl_debug_log, pat, *args); |
17c3b450 | 62 | #endif /* DEBUGGING */ |
79072805 | 63 | } |
79072805 | 64 | |
79072805 | 65 | I32 |
864dbfa3 | 66 | Perl_debstackptrs(pTHX) |
79072805 | 67 | { |
17c3b450 | 68 | #ifdef DEBUGGING |
11343788 | 69 | dTHR; |
b900a521 JH |
70 | PerlIO_printf(Perl_debug_log, |
71 | "%8"UVxf" %8"UVxf" %8"IVdf" %8"IVdf" %8"IVdf"\n", | |
72 | PTR2UV(PL_curstack), PTR2UV(PL_stack_base), | |
73 | (IV)*PL_markstack_ptr, (IV)(PL_stack_sp-PL_stack_base), | |
74 | (IV)(PL_stack_max-PL_stack_base)); | |
75 | PerlIO_printf(Perl_debug_log, | |
76 | "%8"UVxf" %8"UVxf" %8"UVuf" %8"UVuf" %8"UVuf"\n", | |
77 | PTR2UV(PL_mainstack), PTR2UV(AvARRAY(PL_curstack)), | |
78 | PTR2UV(PL_mainstack), PTR2UV(AvFILLp(PL_curstack)), | |
79 | PTR2UV(AvMAX(PL_curstack))); | |
17c3b450 | 80 | #endif /* DEBUGGING */ |
79072805 LW |
81 | return 0; |
82 | } | |
83 | ||
84 | I32 | |
864dbfa3 | 85 | Perl_debstack(pTHX) |
79072805 | 86 | { |
17c3b450 | 87 | #ifdef DEBUGGING |
11343788 | 88 | dTHR; |
3280af22 | 89 | I32 top = PL_stack_sp - PL_stack_base; |
a0d0e21e | 90 | register I32 i = top - 30; |
ce2f7c3b | 91 | I32 *markscan = PL_markstack + PL_curstackinfo->si_markoff; |
a0d0e21e LW |
92 | |
93 | if (i < 0) | |
94 | i = 0; | |
95 | ||
3280af22 | 96 | while (++markscan <= PL_markstack_ptr) |
a0d0e21e LW |
97 | if (*markscan >= i) |
98 | break; | |
79072805 | 99 | |
11343788 | 100 | #ifdef USE_THREADS |
b900a521 JH |
101 | PerlIO_printf(Perl_debug_log, |
102 | i ? "0x%"UVxf" => ... " : "0x%lx => ", | |
103 | PTR2UV(thr)); | |
11343788 | 104 | #else |
760ac839 | 105 | PerlIO_printf(Perl_debug_log, i ? " => ... " : " => "); |
11343788 | 106 | #endif /* USE_THREADS */ |
3280af22 | 107 | if (PL_stack_base[0] != &PL_sv_undef || PL_stack_sp < PL_stack_base) |
760ac839 | 108 | PerlIO_printf(Perl_debug_log, " [STACK UNDERFLOW!!!]\n"); |
a0d0e21e LW |
109 | do { |
110 | ++i; | |
3280af22 | 111 | if (markscan <= PL_markstack_ptr && *markscan < i) { |
a0d0e21e LW |
112 | do { |
113 | ++markscan; | |
760ac839 | 114 | PerlIO_putc(Perl_debug_log, '*'); |
a0d0e21e | 115 | } |
3280af22 | 116 | while (markscan <= PL_markstack_ptr && *markscan < i); |
760ac839 | 117 | PerlIO_printf(Perl_debug_log, " "); |
79072805 | 118 | } |
a0d0e21e LW |
119 | if (i > top) |
120 | break; | |
3280af22 | 121 | PerlIO_printf(Perl_debug_log, "%-4s ", SvPEEK(PL_stack_base[i])); |
79072805 | 122 | } |
a0d0e21e | 123 | while (1); |
760ac839 | 124 | PerlIO_printf(Perl_debug_log, "\n"); |
17c3b450 | 125 | #endif /* DEBUGGING */ |
79072805 LW |
126 | return 0; |
127 | } |