109 lines
2.6 KiB
Perl
109 lines
2.6 KiB
Perl
#!/usr/bin/perl
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# usage: compile-et input.et
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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sub header
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{
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local($filename, $comment) = @_;
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<<EOF
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$comment
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$comment $filename
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$comment This file is automatically generated; please do not edit it.
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EOF
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}
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sub table_base
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{
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local($name) = @_;
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local($base) = 0;
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for ($i = 0; $i < length($name); $i++) {
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$base *= 64;
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$base += index("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_", substr($name, $i, 1)) + 1;
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}
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$base -= 0x1000000 if ($base > 0x7fffff);
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$base*256;
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}
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sub code {
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local($macro, $text) = @_;
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$code = $table_base + $table_item_count;
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print H "\n";
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print H "/* ", $text, " */\n";
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printf H "#define %-40s (%dL)\n", $macro, $code;
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print C "\t{\"", $macro, "\", \"", $text, "\"},\n";
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print PROPERTIES $macro, "=", $text, "\n";
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$table_item_count++;
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}
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$filename = $ARGV[0];
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open(INPUT, "< $filename") || die "Can't read $filename: $!\n";
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$base = "$filename";
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$base =~ s/\.et$//;
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$base =~ s#.*/##;
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open(H, "> ${base}.h") || die "Can't write ${base}.h\n";
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open(C, "> ${base}.c") || die "Can't write ${base}.c\n";
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open(PROPERTIES, "> ${base}.properties") || die "Can't write ${base}.properties\n";
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print H "/*\n", &header("${base}.h", " *"), " */\n";
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print C "/*\n", &header("${base}.c", " *"), " */\n";
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print PROPERTIES &header("${base}.properties", "#");
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$skipone = 0;
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while ($_ = <INPUT>) {
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next if /^#/;
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if (/^[ \t]*(error_table|et)[ \t]+([a-zA-Z][a-zA-Z0-9_]+) *(-?[0-9]*)/) {
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$table_name = $2;
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if ($3) {
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$table_base = $3;
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}
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else {
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$table_base = &table_base($table_name);
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}
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$table_item_count = 0;
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print C "#include \"prerror.h\"\n";
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print C "static const struct PRErrorMessage text[] = {\n";
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}
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elsif (/^[ \t]*(error_code|ec)[ \t]+([A-Z_0-9]+),[ \t]*$/) {
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$skipone = 1;
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$macro = $2;
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}
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elsif (/^[ \t]*(error_code|ec)[ \t]+([A-Z_0-9]+),[ \t]*"(.*)"[ \t]*$/) {
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&code($2, $3);
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}
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elsif ($skipone && /^[ \t]*"(.*)"[ \t]*$/) {
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&code($macro, $1);
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}
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}
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print H "\n";
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print H "extern void ", $table_name, "_InitializePRErrorTable","(void);\n";
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printf H "#define ERROR_TABLE_BASE_%s (%dL)\n", $table_name, $table_base;
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print C "\t{0, 0}\n";
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print C "};\n\n";
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printf C "static const struct PRErrorTable et = { text, \"%s\", %dL, %d };\n",
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$base, $table_base, $table_item_count;
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print C "\n";
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print C "void ", $table_name, "_InitializePRErrorTable", "(void) {\n";
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print C " PR_ErrorInstallTable(&et);\n";
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print C "}\n";
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0;
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