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1 | /* run.c |
2 | * |
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3 | * Copyright (c) 1991-1997, Larry Wall |
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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 | * |
8 | */ |
9 | |
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10 | #include "EXTERN.h" |
11 | #include "perl.h" |
12 | |
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13 | /* |
14 | * "Away now, Shadowfax! Run, greatheart, run as you have never run before! |
15 | * Now we are come to the lands where you were foaled, and every stone you |
16 | * know. Run now! Hope is in speed!" --Gandalf |
17 | */ |
18 | |
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19 | dEXT char **watchaddr = 0; |
20 | dEXT char *watchok; |
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21 | |
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22 | int |
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23 | runops_standard() { |
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24 | dTHR; |
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25 | SAVEI32(runlevel); |
26 | runlevel++; |
27 | |
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28 | while ( op = (*op->op_ppaddr)(ARGS) ) ; |
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29 | |
30 | TAINT_NOT; |
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31 | return 0; |
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32 | } |
33 | |
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34 | #ifdef DEBUGGING |
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35 | static void debprof _((OP*o)); |
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36 | |
37 | int |
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38 | runops_debug() { |
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39 | dTHR; |
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40 | if (!op) { |
41 | warn("NULL OP IN RUN"); |
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42 | return 0; |
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43 | } |
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44 | |
45 | SAVEI32(runlevel); |
46 | runlevel++; |
47 | |
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48 | do { |
49 | if (debug) { |
50 | if (watchaddr != 0 && *watchaddr != watchok) |
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51 | PerlIO_printf(Perl_debug_log, "WARNING: %lx changed from %lx to %lx\n", |
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52 | (long)watchaddr, (long)watchok, (long)*watchaddr); |
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53 | DEBUG_s(debstack()); |
54 | DEBUG_t(debop(op)); |
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55 | DEBUG_P(debprof(op)); |
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56 | } |
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57 | } while ( op = (*op->op_ppaddr)(ARGS) ); |
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58 | |
59 | TAINT_NOT; |
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60 | return 0; |
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61 | } |
62 | |
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63 | I32 |
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64 | debop(o) |
65 | OP *o; |
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66 | { |
67 | SV *sv; |
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68 | deb("%s", op_name[o->op_type]); |
69 | switch (o->op_type) { |
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70 | case OP_CONST: |
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71 | PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo->op_sv)); |
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72 | break; |
73 | case OP_GVSV: |
74 | case OP_GV: |
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75 | if (cGVOPo->op_gv) { |
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76 | sv = NEWSV(0,0); |
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77 | gv_fullname3(sv, cGVOPo->op_gv, Nullch); |
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78 | PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, na)); |
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79 | SvREFCNT_dec(sv); |
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80 | } |
81 | else |
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82 | PerlIO_printf(Perl_debug_log, "(NULL)"); |
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83 | break; |
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84 | default: |
85 | break; |
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86 | } |
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87 | PerlIO_printf(Perl_debug_log, "\n"); |
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88 | return 0; |
89 | } |
90 | |
91 | void |
92 | watch(addr) |
93 | char **addr; |
94 | { |
95 | watchaddr = addr; |
96 | watchok = *addr; |
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97 | PerlIO_printf(Perl_debug_log, "WATCHING, %lx is currently %lx\n", |
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98 | (long)watchaddr, (long)watchok); |
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99 | } |
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100 | |
101 | static void |
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102 | debprof(o) |
103 | OP* o; |
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104 | { |
105 | if (!profiledata) |
106 | New(000, profiledata, MAXO, U32); |
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107 | ++profiledata[o->op_type]; |
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108 | } |
109 | |
110 | void |
111 | debprofdump() |
112 | { |
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113 | unsigned i; |
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114 | if (!profiledata) |
115 | return; |
116 | for (i = 0; i < MAXO; i++) { |
117 | if (profiledata[i]) |
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118 | PerlIO_printf(Perl_debug_log, |
119 | "%u\t%lu\n", i, (unsigned long)profiledata[i]); |
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120 | } |
121 | } |
122 | |
123 | #endif |
124 | |