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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(void) { |
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24 | dTHR; |
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25 | |
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26 | while ( op = (*op->op_ppaddr)(ARGS) ) ; |
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27 | |
28 | TAINT_NOT; |
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29 | return 0; |
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30 | } |
31 | |
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32 | #ifdef DEBUGGING |
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33 | static void debprof _((OP*o)); |
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34 | |
35 | int |
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36 | runops_debug(void) { |
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37 | dTHR; |
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38 | if (!op) { |
39 | warn("NULL OP IN RUN"); |
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40 | return 0; |
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41 | } |
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42 | |
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43 | do { |
44 | if (debug) { |
45 | if (watchaddr != 0 && *watchaddr != watchok) |
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46 | PerlIO_printf(Perl_debug_log, "WARNING: %lx changed from %lx to %lx\n", |
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47 | (long)watchaddr, (long)watchok, (long)*watchaddr); |
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48 | DEBUG_s(debstack()); |
49 | DEBUG_t(debop(op)); |
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50 | DEBUG_P(debprof(op)); |
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51 | } |
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52 | } while ( op = (*op->op_ppaddr)(ARGS) ); |
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53 | |
54 | TAINT_NOT; |
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55 | return 0; |
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56 | } |
57 | |
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58 | I32 |
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59 | debop(OP *o) |
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60 | { |
61 | SV *sv; |
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62 | deb("%s", op_name[o->op_type]); |
63 | switch (o->op_type) { |
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64 | case OP_CONST: |
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65 | PerlIO_printf(Perl_debug_log, "(%s)", SvPEEK(cSVOPo->op_sv)); |
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66 | break; |
67 | case OP_GVSV: |
68 | case OP_GV: |
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69 | if (cGVOPo->op_gv) { |
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70 | sv = NEWSV(0,0); |
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71 | gv_fullname3(sv, cGVOPo->op_gv, Nullch); |
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72 | PerlIO_printf(Perl_debug_log, "(%s)", SvPV(sv, na)); |
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73 | SvREFCNT_dec(sv); |
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74 | } |
75 | else |
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76 | PerlIO_printf(Perl_debug_log, "(NULL)"); |
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77 | break; |
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78 | default: |
79 | break; |
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80 | } |
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81 | PerlIO_printf(Perl_debug_log, "\n"); |
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82 | return 0; |
83 | } |
84 | |
85 | void |
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86 | watch(char **addr) |
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87 | { |
88 | watchaddr = addr; |
89 | watchok = *addr; |
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90 | PerlIO_printf(Perl_debug_log, "WATCHING, %lx is currently %lx\n", |
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91 | (long)watchaddr, (long)watchok); |
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92 | } |
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93 | |
94 | static void |
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95 | debprof(OP *o) |
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96 | { |
97 | if (!profiledata) |
98 | New(000, profiledata, MAXO, U32); |
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99 | ++profiledata[o->op_type]; |
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100 | } |
101 | |
102 | void |
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103 | debprofdump(void) |
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104 | { |
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105 | unsigned i; |
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106 | if (!profiledata) |
107 | return; |
108 | for (i = 0; i < MAXO; i++) { |
109 | if (profiledata[i]) |
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110 | PerlIO_printf(Perl_debug_log, |
111 | "%u\t%lu\n", i, (unsigned long)profiledata[i]); |
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112 | } |
113 | } |
114 | |
115 | #endif |
116 | |