Commit | Line | Data |
---|---|---|
bab3dc31 NC |
1 | #!/usr/bin/perl -w |
2 | ||
3 | # | |
4 | # Generate overload.h | |
8c798f87 | 5 | # This allows the order of overloading constants to be changed. |
bab3dc31 NC |
6 | # |
7 | ||
8 | BEGIN { | |
9 | # Get function prototypes | |
10 | require 'regen_lib.pl'; | |
11 | } | |
12 | ||
13 | use strict; | |
14 | ||
15 | my (@enums, @names); | |
16 | while (<DATA>) { | |
17 | next if /^#/; | |
18 | next if /^$/; | |
19 | my ($enum, $name) = /^(\S+)\s+(\S+)/ or die "Can't parse $_"; | |
20 | push @enums, $enum; | |
21 | push @names, $name; | |
22 | } | |
23 | ||
8261f8eb | 24 | safer_unlink ('overload.h', 'overload.c'); |
08858ed2 NC |
25 | my $c = safer_open("overload.c"); |
26 | my $h = safer_open("overload.h"); | |
8261f8eb NC |
27 | |
28 | sub print_header { | |
29 | my $file = shift; | |
30 | print <<"EOF"; | |
bab3dc31 NC |
31 | /* -*- buffer-read-only: t -*- |
32 | * | |
8261f8eb | 33 | * $file |
bab3dc31 | 34 | * |
38f14693 RGS |
35 | * Copyright (C) 1997, 1998, 2000, 2001, 2005, 2006, 2007 by Larry Wall |
36 | * and others | |
bab3dc31 NC |
37 | * |
38 | * You may distribute under the terms of either the GNU General Public | |
39 | * License or the Artistic License, as specified in the README file. | |
40 | * | |
41 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! | |
42 | * This file is built by overload.pl | |
43 | */ | |
8261f8eb NC |
44 | EOF |
45 | } | |
46 | ||
08858ed2 | 47 | select $c; |
8261f8eb NC |
48 | print_header('overload.c'); |
49 | ||
08858ed2 | 50 | select $h; |
8261f8eb NC |
51 | print_header('overload.h'); |
52 | print <<'EOF'; | |
bab3dc31 NC |
53 | |
54 | enum { | |
55 | EOF | |
56 | ||
57 | print " ${_}_amg,\n", foreach @enums; | |
58 | ||
59 | print <<'EOF'; | |
60 | max_amg_code | |
61 | /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */ | |
62 | }; | |
63 | ||
bab3dc31 | 64 | #define NofAMmeth max_amg_code |
8261f8eb NC |
65 | |
66 | EOF | |
67 | ||
08858ed2 | 68 | print $c <<'EOF'; |
8261f8eb | 69 | |
bab3dc31 | 70 | #define AMG_id2name(id) (PL_AMG_names[id]+1) |
82af6593 | 71 | #define AMG_id2namelen(id) (PL_AMG_namelens[id]-1) |
bab3dc31 | 72 | |
2e1c5ef0 | 73 | static const U8 PL_AMG_namelens[NofAMmeth] = { |
d279ab82 NC |
74 | EOF |
75 | ||
76 | my $last = pop @names; | |
77 | ||
08858ed2 | 78 | print $c " $_,\n" foreach map { length $_ } @names; |
d279ab82 NC |
79 | |
80 | my $lastlen = length $last; | |
08858ed2 | 81 | print $c <<"EOT"; |
d279ab82 NC |
82 | $lastlen |
83 | }; | |
84 | ||
2e1c5ef0 | 85 | static const char * const PL_AMG_names[NofAMmeth] = { |
bab3dc31 NC |
86 | /* Names kept in the symbol table. fallback => "()", the rest has |
87 | "(" prepended. The only other place in perl which knows about | |
88 | this convention is AMG_id2name (used for debugging output and | |
89 | 'nomethod' only), the only other place which has it hardwired is | |
90 | overload.pm. */ | |
d279ab82 | 91 | EOT |
bab3dc31 | 92 | |
08858ed2 | 93 | print $c " \"$_\",\n" foreach map { s/(["\\"])/\\$1/g; $_ } @names; |
bab3dc31 | 94 | |
08858ed2 | 95 | print $c <<"EOT"; |
bab3dc31 NC |
96 | "$last" |
97 | }; | |
bab3dc31 NC |
98 | EOT |
99 | ||
08858ed2 NC |
100 | safer_close($h); |
101 | safer_close($c); | |
8c798f87 | 102 | |
bab3dc31 NC |
103 | __DATA__ |
104 | # Fallback should be the first | |
105 | fallback () | |
106 | ||
107 | # These 5 are the most common in the fallback switch statement in amagic_call | |
108 | to_sv (${} | |
109 | to_av (@{} | |
110 | to_hv (%{} | |
111 | to_gv (*{} | |
112 | to_cv (&{} | |
113 | ||
114 | # These have non-default cases in that switch statement | |
115 | inc (++ | |
116 | dec (-- | |
117 | bool_ (bool | |
118 | numer (0+ | |
119 | string ("" | |
120 | not (! | |
121 | copy (= | |
122 | abs (abs | |
123 | neg (neg | |
124 | iter (<> | |
125 | int (int | |
126 | ||
127 | # These 12 feature in the next switch statement | |
128 | lt (< | |
129 | le (<= | |
130 | gt (> | |
131 | ge (>= | |
132 | eq (== | |
133 | ne (!= | |
134 | slt (lt | |
135 | sle (le | |
136 | sgt (gt | |
137 | sge (ge | |
138 | seq (eq | |
139 | sne (ne | |
140 | ||
141 | nomethod (nomethod | |
142 | add (+ | |
143 | add_ass (+= | |
144 | subtr (- | |
145 | subtr_ass (-= | |
146 | mult (* | |
147 | mult_ass (*= | |
148 | div (/ | |
149 | div_ass (/= | |
150 | modulo (% | |
151 | modulo_ass (%= | |
152 | pow (** | |
153 | pow_ass (**= | |
154 | lshift (<< | |
155 | lshift_ass (<<= | |
156 | rshift (>> | |
157 | rshift_ass (>>= | |
158 | band (& | |
159 | band_ass (&= | |
160 | bor (| | |
161 | bor_ass (|= | |
162 | bxor (^ | |
163 | bxor_ass (^= | |
164 | ncmp (<=> | |
165 | scmp (cmp | |
166 | compl (~ | |
167 | atan2 (atan2 | |
168 | cos (cos | |
169 | sin (sin | |
170 | exp (exp | |
171 | log (log | |
172 | sqrt (sqrt | |
173 | repeat (x | |
174 | repeat_ass (x= | |
175 | concat (. | |
176 | concat_ass (.= | |
177 | smart (~~ | |
178 | # Note: Perl_Gv_AMupdate() assumes that DESTROY is the last entry | |
179 | DESTROY DESTROY |