vasilito
facf0c92e0
Red Bear OS is a full fork. All sources must be available from git clone with zero network access. Removed gitignore rules that excluded fetched source trees under recipes/*/source/, local/recipes/kde/*/source/, local/recipes/qt/*/source/, and vendor source trees. Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded. 127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt frameworks, mesa, wayland, DRM drivers, and every other recipe source.
850 lines
23 KiB
C
850 lines
23 KiB
C
/* xgettext YCP backend.
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Copyright (C) 2001-2003, 2005-2009, 2011, 2018-2023 Free Software Foundation, Inc.
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This file was written by Bruno Haible <haible@clisp.cons.org>, 2001.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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/* Specification. */
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#include "x-ycp.h"
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#include <errno.h>
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#include <limits.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "attribute.h"
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#include "message.h"
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#include "rc-str-list.h"
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#include "xgettext.h"
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#include "xg-pos.h"
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#include "xg-arglist-context.h"
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#include "xg-message.h"
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#include "error.h"
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#include "error-progname.h"
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#include "xalloc.h"
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#include "gettext.h"
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#define _(s) gettext(s)
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#define SIZEOF(a) (sizeof(a) / sizeof(a[0]))
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/* The YCP syntax is defined in libycp/doc/syntax.html.
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See also libycp/src/scanner.ll.
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Both are part of the yast2-core package in SuSE Linux distributions. */
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void
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init_flag_table_ycp ()
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{
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xgettext_record_flag ("sformat:1:ycp-format");
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xgettext_record_flag ("y2debug:1:ycp-format");
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xgettext_record_flag ("y2milestone:1:ycp-format");
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xgettext_record_flag ("y2warning:1:ycp-format");
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xgettext_record_flag ("y2error:1:ycp-format");
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xgettext_record_flag ("y2security:1:ycp-format");
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xgettext_record_flag ("y2internal:1:ycp-format");
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}
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/* ======================== Reading of characters. ======================== */
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/* Position in the current line. */
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static int char_in_line;
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/* The input file stream. */
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static FILE *fp;
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/* These are for tracking whether comments count as immediately before
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keyword. */
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static int last_comment_line;
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static int last_non_comment_line;
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/* 1. line_number handling. */
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static int
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phase1_getc ()
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{
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int c = getc (fp);
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if (c == EOF)
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{
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if (ferror (fp))
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error (EXIT_FAILURE, errno, _("error while reading \"%s\""),
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real_file_name);
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return EOF;
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}
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if (c == '\n')
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{
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line_number++;
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char_in_line = 0;
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}
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else
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char_in_line++;
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return c;
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}
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/* Supports only one pushback character. */
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static void
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phase1_ungetc (int c)
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{
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if (c != EOF)
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{
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if (c == '\n')
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{
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--line_number;
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char_in_line = INT_MAX;
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}
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else
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--char_in_line;
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ungetc (c, fp);
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}
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}
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/* 2. Replace each comment that is not inside a character constant or
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string literal with a space character. We need to remember the
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comment for later, because it may be attached to a keyword string.
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YCP comments can be in C comment syntax, C++ comment syntax or sh
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comment syntax. */
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static unsigned char phase2_pushback[1];
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static int phase2_pushback_length;
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static int
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phase2_getc ()
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{
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static char *buffer;
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static size_t bufmax;
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size_t buflen;
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int lineno;
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int c;
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bool last_was_star;
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if (phase2_pushback_length)
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return phase2_pushback[--phase2_pushback_length];
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if (char_in_line == 0)
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{
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/* Eat whitespace, to recognize ^[\t ]*# pattern. */
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do
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c = phase1_getc ();
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while (c == '\t' || c == ' ');
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if (c == '#')
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{
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/* sh comment. */
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buflen = 0;
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lineno = line_number;
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for (;;)
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{
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c = phase1_getc ();
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if (c == '\n' || c == EOF)
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break;
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/* We skip all leading white space, but not EOLs. */
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if (!(buflen == 0 && (c == ' ' || c == '\t')))
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{
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if (buflen >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[buflen++] = c;
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}
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}
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if (buflen >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[buflen] = '\0';
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savable_comment_add (buffer);
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last_comment_line = lineno;
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return '\n';
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}
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}
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else
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c = phase1_getc ();
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if (c == '/')
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{
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c = phase1_getc ();
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switch (c)
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{
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default:
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phase1_ungetc (c);
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return '/';
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case '*':
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/* C comment. */
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buflen = 0;
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lineno = line_number;
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last_was_star = false;
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for (;;)
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{
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c = phase1_getc ();
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if (c == EOF)
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break;
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/* We skip all leading white space, but not EOLs. */
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if (buflen == 0 && (c == ' ' || c == '\t'))
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continue;
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if (buflen >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[buflen++] = c;
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switch (c)
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{
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case '\n':
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--buflen;
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while (buflen >= 1
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&& (buffer[buflen - 1] == ' '
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|| buffer[buflen - 1] == '\t'))
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--buflen;
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buffer[buflen] = '\0';
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savable_comment_add (buffer);
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buflen = 0;
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lineno = line_number;
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last_was_star = false;
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continue;
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case '*':
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last_was_star = true;
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continue;
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case '/':
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if (last_was_star)
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{
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buflen -= 2;
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while (buflen >= 1
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&& (buffer[buflen - 1] == ' '
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|| buffer[buflen - 1] == '\t'))
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--buflen;
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buffer[buflen] = '\0';
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savable_comment_add (buffer);
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break;
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}
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FALLTHROUGH;
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default:
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last_was_star = false;
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continue;
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}
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break;
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}
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last_comment_line = lineno;
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return ' ';
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case '/':
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/* C++ comment. */
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buflen = 0;
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lineno = line_number;
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for (;;)
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{
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c = phase1_getc ();
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if (c == '\n' || c == EOF)
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break;
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/* We skip all leading white space, but not EOLs. */
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if (!(buflen == 0 && (c == ' ' || c == '\t')))
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{
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if (buflen >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[buflen++] = c;
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}
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}
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if (buflen >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[buflen] = '\0';
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savable_comment_add (buffer);
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last_comment_line = lineno;
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return '\n';
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}
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}
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else
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return c;
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}
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/* Supports only one pushback character. */
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static void
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phase2_ungetc (int c)
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{
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if (c != EOF)
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{
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if (phase2_pushback_length == SIZEOF (phase2_pushback))
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abort ();
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phase2_pushback[phase2_pushback_length++] = c;
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}
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}
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/* ========================== Reading of tokens. ========================== */
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enum token_type_ty
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{
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token_type_eof,
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token_type_lparen, /* ( */
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token_type_rparen, /* ) */
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token_type_comma, /* , */
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token_type_i18n, /* _( */
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token_type_string_literal, /* "abc" */
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token_type_symbol, /* symbol, number */
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token_type_other /* misc. operator */
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};
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typedef enum token_type_ty token_type_ty;
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typedef struct token_ty token_ty;
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struct token_ty
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{
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token_type_ty type;
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char *string; /* for token_type_string_literal, token_type_symbol */
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refcounted_string_list_ty *comment; /* for token_type_string_literal */
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int line_number;
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};
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/* 7. Replace escape sequences within character strings with their
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single character equivalents. */
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#define P7_QUOTES (1000 + '"')
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static int
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phase7_getc ()
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{
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int c;
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for (;;)
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{
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/* Use phase 1, because phase 2 elides comments. */
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c = phase1_getc ();
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if (c == '"')
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return P7_QUOTES;
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if (c != '\\')
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return c;
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c = phase1_getc ();
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if (c != '\n')
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switch (c)
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{
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case 'b':
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return '\b';
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case 'f':
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return '\f';
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case 'n':
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return '\n';
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case 'r':
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return '\r';
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case 't':
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return '\t';
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/* FIXME: What is the octal escape syntax?
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syntax.html says: [0] [0-7]+
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scanner.ll says: [0-7] [0-7] [0-7]
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*/
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#if 0
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case '0': case '1': case '2': case '3':
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case '4': case '5': case '6': case '7':
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{
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int n, j;
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n = 0;
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for (j = 0; j < 3; ++j)
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{
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n = n * 8 + c - '0';
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c = phase1_getc ();
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switch (c)
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{
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default:
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break;
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case '0': case '1': case '2': case '3':
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case '4': case '5': case '6': case '7':
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continue;
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}
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break;
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}
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phase1_ungetc (c);
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return n;
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}
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#endif
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default:
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return c;
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}
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}
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}
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/* Free the memory pointed to by a 'struct token_ty'. */
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static inline void
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free_token (token_ty *tp)
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{
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if (tp->type == token_type_string_literal || tp->type == token_type_symbol)
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free (tp->string);
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if (tp->type == token_type_string_literal)
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drop_reference (tp->comment);
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}
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/* Combine characters into tokens. Discard whitespace. */
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static token_ty phase5_pushback[1];
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static int phase5_pushback_length;
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static void
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phase5_get (token_ty *tp)
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{
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static char *buffer;
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static int bufmax;
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int bufpos;
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int c;
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if (phase5_pushback_length)
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{
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*tp = phase5_pushback[--phase5_pushback_length];
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return;
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}
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for (;;)
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{
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tp->line_number = line_number;
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c = phase2_getc ();
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switch (c)
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{
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case EOF:
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tp->type = token_type_eof;
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return;
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case '\n':
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if (last_non_comment_line > last_comment_line)
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savable_comment_reset ();
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FALLTHROUGH;
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case '\r':
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case '\t':
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case ' ':
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/* Ignore whitespace and comments. */
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continue;
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}
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last_non_comment_line = tp->line_number;
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switch (c)
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{
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case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
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case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
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case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
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case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
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case 'Y': case 'Z':
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case '_':
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case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
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case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
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case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
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case 's': case 't': case 'u': case 'v': case 'w': case 'x':
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case 'y': case 'z':
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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/* Symbol, or part of a number. */
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bufpos = 0;
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for (;;)
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{
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if (bufpos >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[bufpos++] = c;
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c = phase2_getc ();
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switch (c)
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{
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case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
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case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
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case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
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case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
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case 'Y': case 'Z':
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case '_':
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case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
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case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
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case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
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case 's': case 't': case 'u': case 'v': case 'w': case 'x':
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case 'y': case 'z':
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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continue;
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default:
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if (bufpos == 1 && buffer[0] == '_' && c == '(')
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{
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tp->type = token_type_i18n;
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return;
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}
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phase2_ungetc (c);
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break;
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}
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break;
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}
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if (bufpos >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[bufpos] = '\0';
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tp->string = xstrdup (buffer);
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tp->type = token_type_symbol;
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return;
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case '"':
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bufpos = 0;
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for (;;)
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{
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c = phase7_getc ();
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if (c == EOF || c == P7_QUOTES)
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break;
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if (bufpos >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[bufpos++] = c;
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}
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if (bufpos >= bufmax)
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{
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bufmax = 2 * bufmax + 10;
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buffer = xrealloc (buffer, bufmax);
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}
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buffer[bufpos] = '\0';
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tp->string = xstrdup (buffer);
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tp->type = token_type_string_literal;
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tp->comment = add_reference (savable_comment);
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return;
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case '(':
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tp->type = token_type_lparen;
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return;
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case ')':
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tp->type = token_type_rparen;
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return;
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case ',':
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tp->type = token_type_comma;
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return;
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default:
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/* We could carefully recognize each of the 2 and 3 character
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operators, but it is not necessary, as we only need to recognize
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gettext invocations. Don't bother. */
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tp->type = token_type_other;
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return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Supports only one pushback token. */
|
|
static void
|
|
phase5_unget (token_ty *tp)
|
|
{
|
|
if (tp->type != token_type_eof)
|
|
{
|
|
if (phase5_pushback_length == SIZEOF (phase5_pushback))
|
|
abort ();
|
|
phase5_pushback[phase5_pushback_length++] = *tp;
|
|
}
|
|
}
|
|
|
|
|
|
/* Concatenate adjacent string literals to form single string literals.
|
|
(See libycp/src/parser.yy, rule 'string' vs. terminal 'STRING'.) */
|
|
|
|
static token_ty phase8_pushback[1];
|
|
static int phase8_pushback_length;
|
|
|
|
static void
|
|
phase8_get (token_ty *tp)
|
|
{
|
|
if (phase8_pushback_length)
|
|
{
|
|
*tp = phase8_pushback[--phase8_pushback_length];
|
|
return;
|
|
}
|
|
phase5_get (tp);
|
|
if (tp->type != token_type_string_literal)
|
|
return;
|
|
for (;;)
|
|
{
|
|
token_ty tmp;
|
|
size_t len;
|
|
|
|
phase5_get (&tmp);
|
|
if (tmp.type != token_type_string_literal)
|
|
{
|
|
phase5_unget (&tmp);
|
|
return;
|
|
}
|
|
len = strlen (tp->string);
|
|
tp->string = xrealloc (tp->string, len + strlen (tmp.string) + 1);
|
|
strcpy (tp->string + len, tmp.string);
|
|
free_token (&tmp);
|
|
}
|
|
}
|
|
|
|
/* Supports only one pushback token. */
|
|
static void
|
|
phase8_unget (token_ty *tp)
|
|
{
|
|
if (tp->type != token_type_eof)
|
|
{
|
|
if (phase8_pushback_length == SIZEOF (phase8_pushback))
|
|
abort ();
|
|
phase8_pushback[phase8_pushback_length++] = *tp;
|
|
}
|
|
}
|
|
|
|
|
|
/* ========================= Extracting strings. ========================== */
|
|
|
|
|
|
/* Context lookup table. */
|
|
static flag_context_list_table_ty *flag_context_list_table;
|
|
|
|
|
|
/* Maximum supported nesting depth. */
|
|
#define MAX_NESTING_DEPTH 1000
|
|
|
|
/* Current nesting depth. */
|
|
static int nesting_depth;
|
|
|
|
|
|
/* The file is broken into tokens.
|
|
|
|
Normal handling: Look for
|
|
[A] _( [B] msgid ... )
|
|
Plural handling: Look for
|
|
[A] _( [B] msgid [C] , [D] msgid_plural ... )
|
|
At point [A]: state == 0.
|
|
At point [B]: state == 1, plural_mp == NULL.
|
|
At point [C]: state == 2, plural_mp != NULL.
|
|
At point [D]: state == 1, plural_mp != NULL.
|
|
|
|
We use recursion because we have to set the context according to the given
|
|
flags. */
|
|
|
|
|
|
/* Extract messages until the next balanced closing parenthesis.
|
|
Extracted messages are added to MLP.
|
|
Return true upon eof, false upon closing parenthesis. */
|
|
static bool
|
|
extract_parenthesized (message_list_ty *mlp,
|
|
flag_context_ty outer_context,
|
|
flag_context_list_iterator_ty context_iter,
|
|
bool in_i18n)
|
|
{
|
|
int state; /* 1 or 2 inside _( ... ), otherwise 0 */
|
|
int plural_state = 0; /* defined only when in states 1 and 2 */
|
|
message_ty *plural_mp = NULL; /* defined only when in states 1 and 2 */
|
|
/* Context iterator that will be used if the next token is a '('. */
|
|
flag_context_list_iterator_ty next_context_iter =
|
|
passthrough_context_list_iterator;
|
|
/* Current context. */
|
|
flag_context_ty inner_context =
|
|
inherited_context (outer_context,
|
|
flag_context_list_iterator_advance (&context_iter));
|
|
|
|
/* Start state is 0 or 1. */
|
|
state = (in_i18n ? 1 : 0);
|
|
|
|
for (;;)
|
|
{
|
|
token_ty token;
|
|
|
|
if (in_i18n)
|
|
phase8_get (&token);
|
|
else
|
|
phase5_get (&token);
|
|
|
|
switch (token.type)
|
|
{
|
|
case token_type_i18n:
|
|
if (++nesting_depth > MAX_NESTING_DEPTH)
|
|
{
|
|
error_with_progname = false;
|
|
error (EXIT_FAILURE, 0, _("%s:%d: error: too many open parentheses"),
|
|
logical_file_name, line_number);
|
|
}
|
|
if (extract_parenthesized (mlp, inner_context, next_context_iter,
|
|
true))
|
|
return true;
|
|
nesting_depth--;
|
|
next_context_iter = null_context_list_iterator;
|
|
state = 0;
|
|
continue;
|
|
|
|
case token_type_string_literal:
|
|
if (state == 1)
|
|
{
|
|
lex_pos_ty pos;
|
|
pos.file_name = logical_file_name;
|
|
pos.line_number = token.line_number;
|
|
|
|
if (plural_state == 0)
|
|
{
|
|
/* Seen an msgid. */
|
|
token_ty token2;
|
|
|
|
if (in_i18n)
|
|
phase8_get (&token2);
|
|
else
|
|
phase5_get (&token2);
|
|
|
|
plural_mp =
|
|
remember_a_message (mlp, NULL, token.string, false,
|
|
token2.type == token_type_comma,
|
|
inner_context, &pos,
|
|
NULL, token.comment, false);
|
|
|
|
if (in_i18n)
|
|
phase8_unget (&token2);
|
|
else
|
|
phase5_unget (&token2);
|
|
|
|
plural_state = 1;
|
|
state = 2;
|
|
}
|
|
else
|
|
{
|
|
/* Seen an msgid_plural. */
|
|
if (plural_mp != NULL)
|
|
remember_a_message_plural (plural_mp, token.string, false,
|
|
inner_context, &pos,
|
|
token.comment, false);
|
|
state = 0;
|
|
}
|
|
drop_reference (token.comment);
|
|
}
|
|
else
|
|
{
|
|
free_token (&token);
|
|
state = 0;
|
|
}
|
|
next_context_iter = null_context_list_iterator;
|
|
continue;
|
|
|
|
case token_type_symbol:
|
|
next_context_iter =
|
|
flag_context_list_iterator (
|
|
flag_context_list_table_lookup (
|
|
flag_context_list_table,
|
|
token.string, strlen (token.string)));
|
|
free_token (&token);
|
|
state = 0;
|
|
continue;
|
|
|
|
case token_type_lparen:
|
|
if (++nesting_depth > MAX_NESTING_DEPTH)
|
|
{
|
|
error_with_progname = false;
|
|
error (EXIT_FAILURE, 0, _("%s:%d: error: too many open parentheses"),
|
|
logical_file_name, line_number);
|
|
}
|
|
if (extract_parenthesized (mlp, inner_context, next_context_iter,
|
|
false))
|
|
return true;
|
|
nesting_depth--;
|
|
next_context_iter = null_context_list_iterator;
|
|
state = 0;
|
|
continue;
|
|
|
|
case token_type_rparen:
|
|
return false;
|
|
|
|
case token_type_comma:
|
|
if (state == 2)
|
|
state = 1;
|
|
else
|
|
state = 0;
|
|
inner_context =
|
|
inherited_context (outer_context,
|
|
flag_context_list_iterator_advance (
|
|
&context_iter));
|
|
next_context_iter = passthrough_context_list_iterator;
|
|
continue;
|
|
|
|
case token_type_other:
|
|
next_context_iter = null_context_list_iterator;
|
|
state = 0;
|
|
continue;
|
|
|
|
case token_type_eof:
|
|
return true;
|
|
|
|
default:
|
|
abort ();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
extract_ycp (FILE *f,
|
|
const char *real_filename, const char *logical_filename,
|
|
flag_context_list_table_ty *flag_table,
|
|
msgdomain_list_ty *mdlp)
|
|
{
|
|
message_list_ty *mlp = mdlp->item[0]->messages;
|
|
|
|
fp = f;
|
|
real_file_name = real_filename;
|
|
logical_file_name = xstrdup (logical_filename);
|
|
line_number = 1;
|
|
char_in_line = 0;
|
|
|
|
last_comment_line = -1;
|
|
last_non_comment_line = -1;
|
|
|
|
phase2_pushback_length = 0;
|
|
phase5_pushback_length = 0;
|
|
phase8_pushback_length = 0;
|
|
|
|
flag_context_list_table = flag_table;
|
|
nesting_depth = 0;
|
|
|
|
/* Eat tokens until eof is seen. When extract_parenthesized returns
|
|
due to an unbalanced closing parenthesis, just restart it. */
|
|
while (!extract_parenthesized (mlp, null_context, null_context_list_iterator,
|
|
false))
|
|
;
|
|
|
|
fp = NULL;
|
|
real_file_name = NULL;
|
|
logical_file_name = NULL;
|
|
line_number = 0;
|
|
char_in_line = 0;
|
|
}
|