Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 #!/usr/bin/perl
3 # usage: compile-et input.et
5 #
6 # This Source Code Form is subject to the terms of the Mozilla Public
7 # License, v. 2.0. If a copy of the MPL was not distributed with this
8 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
10 sub header
11 {
12 local($filename, $comment) = @_;
14 <<EOF
15 $comment
16 $comment $filename
17 $comment This file is automatically generated; please do not edit it.
18 EOF
19 }
21 sub table_base
22 {
23 local($name) = @_;
24 local($base) = 0;
26 for ($i = 0; $i < length($name); $i++) {
27 $base *= 64;
28 $base += index("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_", substr($name, $i, 1)) + 1;
29 }
30 $base -= 0x1000000 if ($base > 0x7fffff);
31 $base*256;
32 }
34 sub code {
35 local($macro, $text) = @_;
36 $code = $table_base + $table_item_count;
38 print H "\n";
39 print H "/* ", $text, " */\n";
40 printf H "#define %-40s (%dL)\n", $macro, $code;
42 print C "\t{\"", $macro, "\", \"", $text, "\"},\n";
44 print PROPERTIES $macro, "=", $text, "\n";
46 $table_item_count++;
47 }
50 $filename = $ARGV[0];
51 open(INPUT, "< $filename") || die "Can't read $filename: $!\n";
53 $base = "$filename";
54 $base =~ s/\.et$//;
55 $base =~ s#.*/##;
57 open(H, "> ${base}.h") || die "Can't write ${base}.h\n";
58 open(C, "> ${base}.c") || die "Can't write ${base}.c\n";
59 open(PROPERTIES, "> ${base}.properties") || die "Can't write ${base}.properties\n";
61 print H "/*\n", &header("${base}.h", " *"), " */\n";
62 print C "/*\n", &header("${base}.c", " *"), " */\n";
63 print PROPERTIES &header("${base}.properties", "#");
65 $skipone = 0;
67 while ($_ = <INPUT>) {
68 next if /^#/;
70 if (/^[ \t]*(error_table|et)[ \t]+([a-zA-Z][a-zA-Z0-9_]+) *(-?[0-9]*)/) {
71 $table_name = $2;
72 if ($3) {
73 $table_base = $3;
74 }
75 else {
76 $table_base = &table_base($table_name);
77 }
78 $table_item_count = 0;
80 print C "#include \"prerror.h\"\n";
81 print C "static const struct PRErrorMessage text[] = {\n";
82 }
83 elsif (/^[ \t]*(error_code|ec)[ \t]+([A-Z_0-9]+),[ \t]*$/) {
84 $skipone = 1;
85 $macro = $2;
86 }
87 elsif (/^[ \t]*(error_code|ec)[ \t]+([A-Z_0-9]+),[ \t]*"(.*)"[ \t]*$/) {
88 &code($2, $3);
89 }
90 elsif ($skipone && /^[ \t]*"(.*)"[ \t]*$/) {
91 &code($macro, $1);
92 }
93 }
95 print H "\n";
96 print H "extern void ", $table_name, "_InitializePRErrorTable","(void);\n";
97 printf H "#define ERROR_TABLE_BASE_%s (%dL)\n", $table_name, $table_base;
99 print C "\t{0, 0}\n";
100 print C "};\n\n";
101 printf C "static const struct PRErrorTable et = { text, \"%s\", %dL, %d };\n",
102 $base, $table_base, $table_item_count;
103 print C "\n";
104 print C "void ", $table_name, "_InitializePRErrorTable", "(void) {\n";
105 print C " PR_ErrorInstallTable(&et);\n";
106 print C "}\n";
108 0;