/* rclex.c -- lexer for Windows rc files parser */
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/* rclex.c -- lexer for Windows rc files parser */
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/* Copyright 1997, 1998, 1999, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009
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/* Copyright 1997, 1998, 1999, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Kai Tietz, Onevision.
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Written by Kai Tietz, Onevision.
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This file is part of GNU Binutils.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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02110-1301, USA. */
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/* This is a lexer used by the Windows rc file parser. It basically
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/* This is a lexer used by the Windows rc file parser. It basically
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just recognized a bunch of keywords. */
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just recognized a bunch of keywords. */
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#include "sysdep.h"
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "bucomm.h"
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#include "bucomm.h"
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#include "libiberty.h"
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#include "libiberty.h"
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#include "safe-ctype.h"
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#include "safe-ctype.h"
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#include "windres.h"
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#include "windres.h"
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#include "rcparse.h"
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#include "rcparse.h"
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#include <assert.h>
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#include <assert.h>
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/* Whether we are in rcdata mode, in which we returns the lengths of
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/* Whether we are in rcdata mode, in which we returns the lengths of
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strings. */
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strings. */
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static int rcdata_mode;
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static int rcdata_mode;
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/* Whether we are supressing lines from cpp (including windows.h or
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/* Whether we are supressing lines from cpp (including windows.h or
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headers from your C sources may bring in externs and typedefs).
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headers from your C sources may bring in externs and typedefs).
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When active, we return IGNORED_TOKEN, which lets us ignore these
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When active, we return IGNORED_TOKEN, which lets us ignore these
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outside of resource constructs. Thus, it isn't required to protect
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outside of resource constructs. Thus, it isn't required to protect
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all the non-preprocessor lines in your header files with #ifdef
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all the non-preprocessor lines in your header files with #ifdef
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RC_INVOKED. It also means your RC file can't include other RC
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RC_INVOKED. It also means your RC file can't include other RC
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files if they're named "*.h". Sorry. Name them *.rch or whatever. */
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files if they're named "*.h". Sorry. Name them *.rch or whatever. */
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static int suppress_cpp_data;
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static int suppress_cpp_data;
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#define IGNORE_CPP(x) (suppress_cpp_data ? IGNORED_TOKEN : (x))
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#define IGNORE_CPP(x) (suppress_cpp_data ? IGNORED_TOKEN : (x))
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/* The first filename we detect in the cpp output. We use this to
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/* The first filename we detect in the cpp output. We use this to
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tell included files from the original file. */
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tell included files from the original file. */
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static char *initial_fn;
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static char *initial_fn;
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/* List of allocated strings. */
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/* List of allocated strings. */
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struct alloc_string
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struct alloc_string
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{
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{
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struct alloc_string *next;
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struct alloc_string *next;
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char *s;
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char *s;
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};
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};
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static struct alloc_string *strings;
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static struct alloc_string *strings;
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struct rclex_keywords
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struct rclex_keywords
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{
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{
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const char *name;
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const char *name;
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int tok;
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int tok;
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};
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};
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#define K(KEY) { #KEY, KEY }
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#define K(KEY) { #KEY, KEY }
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#define KRT(KEY) { #KEY, RT_##KEY }
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#define KRT(KEY) { #KEY, RT_##KEY }
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static const struct rclex_keywords keywds[] =
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static const struct rclex_keywords keywds[] =
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{
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{
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K(ACCELERATORS), K(ALT), K(ANICURSOR), K(ANIICON), K(ASCII),
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K(ACCELERATORS), K(ALT), K(ANICURSOR), K(ANIICON), K(ASCII),
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K(AUTO3STATE), K(AUTOCHECKBOX), K(AUTORADIOBUTTON),
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K(AUTO3STATE), K(AUTOCHECKBOX), K(AUTORADIOBUTTON),
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K(BEDIT), { "BEGIN", BEG }, K(BITMAP), K(BLOCK), K(BUTTON),
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K(BEDIT), { "BEGIN", BEG }, K(BITMAP), K(BLOCK), K(BUTTON),
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K(CAPTION), K(CHARACTERISTICS), K(CHECKBOX), K(CHECKED),
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K(CAPTION), K(CHARACTERISTICS), K(CHECKBOX), K(CHECKED),
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K(CLASS), K(COMBOBOX), K(CONTROL), K(CTEXT), K(CURSOR),
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K(CLASS), K(COMBOBOX), K(CONTROL), K(CTEXT), K(CURSOR),
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K(DEFPUSHBUTTON), K(DIALOG), K(DIALOGEX), K(DISCARDABLE),
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K(DEFPUSHBUTTON), K(DIALOG), K(DIALOGEX), K(DISCARDABLE),
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K(DLGINCLUDE), K(DLGINIT),
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K(DLGINCLUDE), K(DLGINIT),
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K(EDITTEXT), K(END), K(EXSTYLE),
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K(EDITTEXT), K(END), K(EXSTYLE),
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K(FILEFLAGS), K(FILEFLAGSMASK), K(FILEOS), K(FILESUBTYPE),
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K(FILEFLAGS), K(FILEFLAGSMASK), K(FILEOS), K(FILESUBTYPE),
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K(FILETYPE), K(FILEVERSION), K(FIXED), K(FONT), K(FONTDIR),
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K(FILETYPE), K(FILEVERSION), K(FIXED), K(FONT), K(FONTDIR),
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K(GRAYED), KRT(GROUP_CURSOR), KRT(GROUP_ICON), K(GROUPBOX),
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K(GRAYED), KRT(GROUP_CURSOR), KRT(GROUP_ICON), K(GROUPBOX),
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K(HEDIT), K(HELP), K(HTML),
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K(HEDIT), K(HELP), K(HTML),
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K(ICON), K(IEDIT), K(IMPURE), K(INACTIVE),
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K(ICON), K(IEDIT), K(IMPURE), K(INACTIVE),
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K(LANGUAGE), K(LISTBOX), K(LOADONCALL), K(LTEXT),
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K(LANGUAGE), K(LISTBOX), K(LOADONCALL), K(LTEXT),
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K(MANIFEST), K(MENU), K(MENUBARBREAK), K(MENUBREAK),
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K(MANIFEST), K(MENU), K(MENUBARBREAK), K(MENUBREAK),
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K(MENUEX), K(MENUITEM), K(MESSAGETABLE), K(MOVEABLE),
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K(MENUEX), K(MENUITEM), K(MESSAGETABLE), K(MOVEABLE),
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K(NOINVERT), K(NOT),
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K(NOINVERT), K(NOT),
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K(PLUGPLAY), K(POPUP), K(PRELOAD), K(PRODUCTVERSION),
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K(PLUGPLAY), K(POPUP), K(PRELOAD), K(PRODUCTVERSION),
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K(PURE), K(PUSHBOX), K(PUSHBUTTON),
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K(PURE), K(PUSHBOX), K(PUSHBUTTON),
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K(RADIOBUTTON), K(RCDATA), K(RTEXT),
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K(RADIOBUTTON), K(RCDATA), K(RTEXT),
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K(SCROLLBAR), K(SEPARATOR), K(SHIFT), K(STATE3),
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K(SCROLLBAR), K(SEPARATOR), K(SHIFT), K(STATE3),
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K(STRINGTABLE), K(STYLE),
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K(STRINGTABLE), K(STYLE),
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K(TOOLBAR),
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K(TOOLBAR),
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K(USERBUTTON),
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K(USERBUTTON),
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K(VALUE), { "VERSION", VERSIONK }, K(VERSIONINFO),
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K(VALUE), { "VERSION", VERSIONK }, K(VERSIONINFO),
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K(VIRTKEY), K(VXD),
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K(VIRTKEY), K(VXD),
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{ NULL, 0 },
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{ NULL, 0 },
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};
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};
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/* External input stream from resrc */
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/* External input stream from resrc */
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extern FILE *cpp_pipe;
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extern FILE *cpp_pipe;
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/* Lexical scanner helpers. */
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/* Lexical scanner helpers. */
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static int rclex_lastch = -1;
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static int rclex_lastch = -1;
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static size_t rclex_tok_max = 0;
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static size_t rclex_tok_max = 0;
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static size_t rclex_tok_pos = 0;
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static size_t rclex_tok_pos = 0;
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static char *rclex_tok = NULL;
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static char *rclex_tok = NULL;
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static int
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static int
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rclex_translatekeyword (const char *key)
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rclex_translatekeyword (const char *key)
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{
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{
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if (key && ISUPPER (key[0]))
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if (key && ISUPPER (key[0]))
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{
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{
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const struct rclex_keywords *kw = &keywds[0];
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const struct rclex_keywords *kw = &keywds[0];
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do
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do
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{
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{
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if (! strcmp (kw->name, key))
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if (! strcmp (kw->name, key))
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return kw->tok;
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return kw->tok;
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++kw;
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++kw;
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}
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}
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while (kw->name != NULL);
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while (kw->name != NULL);
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}
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}
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return STRING;
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return STRING;
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}
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}
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/* Handle a C preprocessor line. */
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/* Handle a C preprocessor line. */
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static void
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static void
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cpp_line (void)
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cpp_line (void)
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{
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{
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const char *s = rclex_tok;
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const char *s = rclex_tok;
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int line;
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int line;
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char *send, *fn;
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char *send, *fn;
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size_t len, mlen;
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size_t len, mlen;
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++s;
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++s;
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while (ISSPACE (*s))
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while (ISSPACE (*s))
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++s;
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++s;
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/* Check for #pragma code_page ( DEFAULT | <nr>). */
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/* Check for #pragma code_page ( DEFAULT | <nr>). */
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len = strlen (s);
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len = strlen (s);
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mlen = strlen ("pragma");
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mlen = strlen ("pragma");
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if (len > mlen && memcmp (s, "pragma", mlen) == 0 && ISSPACE (s[mlen]))
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if (len > mlen && memcmp (s, "pragma", mlen) == 0 && ISSPACE (s[mlen]))
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{
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{
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const char *end;
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const char *end;
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s += mlen + 1;
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s += mlen + 1;
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while (ISSPACE (*s))
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while (ISSPACE (*s))
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++s;
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++s;
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len = strlen (s);
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len = strlen (s);
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mlen = strlen ("code_page");
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mlen = strlen ("code_page");
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if (len <= mlen || memcmp (s, "code_page", mlen) != 0)
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if (len <= mlen || memcmp (s, "code_page", mlen) != 0)
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/* FIXME: We ought to issue a warning message about an unrecognised pragma. */
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/* FIXME: We ought to issue a warning message about an unrecognised pragma. */
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return;
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return;
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s += mlen;
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s += mlen;
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while (ISSPACE (*s))
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while (ISSPACE (*s))
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++s;
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++s;
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if (*s != '(')
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if (*s != '(')
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/* FIXME: We ought to issue an error message about a malformed pragma. */
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/* FIXME: We ought to issue an error message about a malformed pragma. */
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return;
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return;
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++s;
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++s;
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while (ISSPACE (*s))
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while (ISSPACE (*s))
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++s;
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++s;
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if (*s == 0 || (end = strchr (s, ')')) == NULL)
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if (*s == 0 || (end = strchr (s, ')')) == NULL)
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/* FIXME: We ought to issue an error message about a malformed pragma. */
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/* FIXME: We ought to issue an error message about a malformed pragma. */
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return;
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return;
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len = (size_t) (end - s);
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len = (size_t) (end - s);
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fn = xmalloc (len + 1);
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fn = xmalloc (len + 1);
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if (len)
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if (len)
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memcpy (fn, s, len);
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memcpy (fn, s, len);
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fn[len] = 0;
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fn[len] = 0;
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while (len > 0 && (fn[len - 1] > 0 && fn[len - 1] <= 0x20))
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while (len > 0 && (fn[len - 1] > 0 && fn[len - 1] <= 0x20))
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fn[--len] = 0;
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fn[--len] = 0;
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if (! len || (len == strlen ("DEFAULT") && strcasecmp (fn, "DEFAULT") == 0))
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if (! len || (len == strlen ("DEFAULT") && strcasecmp (fn, "DEFAULT") == 0))
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wind_current_codepage = wind_default_codepage;
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wind_current_codepage = wind_default_codepage;
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else if (len > 0)
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else if (len > 0)
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{
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{
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rc_uint_type ncp;
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rc_uint_type ncp;
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if (fn[0] == '0' && (fn[1] == 'x' || fn[1] == 'X'))
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if (fn[0] == '0' && (fn[1] == 'x' || fn[1] == 'X'))
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ncp = (rc_uint_type) strtol (fn + 2, NULL, 16);
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ncp = (rc_uint_type) strtol (fn + 2, NULL, 16);
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else
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else
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ncp = (rc_uint_type) strtol (fn, NULL, 10);
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ncp = (rc_uint_type) strtol (fn, NULL, 10);
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if (ncp == CP_UTF16 || ! unicode_is_valid_codepage (ncp))
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if (ncp == CP_UTF16 || ! unicode_is_valid_codepage (ncp))
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fatal (_("invalid value specified for pragma code_page.\n"));
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fatal (_("invalid value specified for pragma code_page.\n"));
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wind_current_codepage = ncp;
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wind_current_codepage = ncp;
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}
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}
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free (fn);
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free (fn);
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return;
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return;
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}
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}
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line = strtol (s, &send, 0);
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line = strtol (s, &send, 0);
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if (*send != '\0' && ! ISSPACE (*send))
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if (*send != '\0' && ! ISSPACE (*send))
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return;
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return;
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/* Subtract 1 because we are about to count the newline. */
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/* Subtract 1 because we are about to count the newline. */
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rc_lineno = line - 1;
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rc_lineno = line - 1;
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s = send;
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s = send;
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while (ISSPACE (*s))
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while (ISSPACE (*s))
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++s;
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++s;
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if (*s != '"')
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if (*s != '"')
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return;
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return;
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++s;
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++s;
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send = strchr (s, '"');
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send = strchr (s, '"');
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if (send == NULL)
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if (send == NULL)
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return;
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return;
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fn = xmalloc (send - s + 1);
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fn = xmalloc (send - s + 1);
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strncpy (fn, s, send - s);
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strncpy (fn, s, send - s);
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fn[send - s] = '\0';
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fn[send - s] = '\0';
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free (rc_filename);
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free (rc_filename);
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rc_filename = fn;
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rc_filename = fn;
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if (! initial_fn)
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if (! initial_fn)
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{
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{
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initial_fn = xmalloc (strlen (fn) + 1);
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initial_fn = xmalloc (strlen (fn) + 1);
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strcpy (initial_fn, fn);
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strcpy (initial_fn, fn);
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}
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}
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/* Allow the initial file, regardless of name. Suppress all other
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/* Allow the initial file, regardless of name. Suppress all other
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files if they end in ".h" (this allows included "*.rc"). */
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files if they end in ".h" (this allows included "*.rc"). */
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if (strcmp (initial_fn, fn) == 0
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if (strcmp (initial_fn, fn) == 0
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|| strcmp (fn + strlen (fn) - 2, ".h") != 0)
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|| strcmp (fn + strlen (fn) - 2, ".h") != 0)
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suppress_cpp_data = 0;
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suppress_cpp_data = 0;
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else
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else
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suppress_cpp_data = 1;
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suppress_cpp_data = 1;
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}
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}
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/* Allocate a string of a given length. */
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/* Allocate a string of a given length. */
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static char *
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static char *
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get_string (int len)
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get_string (int len)
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{
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{
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struct alloc_string *as;
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struct alloc_string *as;
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as = xmalloc (sizeof *as);
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as = xmalloc (sizeof *as);
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as->s = xmalloc (len);
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as->s = xmalloc (len);
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as->next = strings;
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as->next = strings;
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strings = as;
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strings = as;
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return as->s;
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return as->s;
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}
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}
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/* Handle a quoted string. The quotes are stripped. A pair of quotes
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/* Handle a quoted string. The quotes are stripped. A pair of quotes
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in a string are turned into a single quote. Adjacent strings are
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in a string are turned into a single quote. Adjacent strings are
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merged separated by whitespace are merged, as in C. */
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merged separated by whitespace are merged, as in C. */
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|
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static char *
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static char *
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handle_quotes (rc_uint_type *len)
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handle_quotes (rc_uint_type *len)
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{
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{
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const char *input = rclex_tok;
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const char *input = rclex_tok;
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char *ret, *s;
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char *ret, *s;
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const char *t;
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const char *t;
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int ch;
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int ch;
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int num_xdigits;
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int num_xdigits;
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|
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ret = get_string (strlen (input) + 1);
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ret = get_string (strlen (input) + 1);
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|
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s = ret;
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s = ret;
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t = input;
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t = input;
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if (*t == '"')
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if (*t == '"')
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++t;
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++t;
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while (*t != '\0')
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while (*t != '\0')
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{
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{
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if (*t == '\\')
|
if (*t == '\\')
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{
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{
|
++t;
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++t;
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switch (*t)
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switch (*t)
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{
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{
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case '\0':
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case '\0':
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rcparse_warning ("backslash at end of string");
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rcparse_warning ("backslash at end of string");
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break;
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break;
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|
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case '\"':
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case '\"':
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rcparse_warning ("use \"\" to put \" in a string");
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rcparse_warning ("use \"\" to put \" in a string");
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*s++ = '"';
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*s++ = '"';
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++t;
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++t;
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break;
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break;
|
|
|
case 'a':
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case 'a':
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*s++ = ESCAPE_B; /* Strange, but true... */
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*s++ = ESCAPE_B; /* Strange, but true... */
|
++t;
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++t;
|
break;
|
break;
|
|
|
case 'b':
|
case 'b':
|
*s++ = ESCAPE_B;
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*s++ = ESCAPE_B;
|
++t;
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++t;
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break;
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break;
|
|
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case 'f':
|
case 'f':
|
*s++ = ESCAPE_F;
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*s++ = ESCAPE_F;
|
++t;
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++t;
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break;
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break;
|
|
|
case 'n':
|
case 'n':
|
*s++ = ESCAPE_N;
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*s++ = ESCAPE_N;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'r':
|
case 'r':
|
*s++ = ESCAPE_R;
|
*s++ = ESCAPE_R;
|
++t;
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++t;
|
break;
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break;
|
|
|
case 't':
|
case 't':
|
*s++ = ESCAPE_T;
|
*s++ = ESCAPE_T;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'v':
|
case 'v':
|
*s++ = ESCAPE_V;
|
*s++ = ESCAPE_V;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case '\\':
|
case '\\':
|
*s++ = *t++;
|
*s++ = *t++;
|
break;
|
break;
|
|
|
case '0': case '1': case '2': case '3':
|
case '0': case '1': case '2': case '3':
|
case '4': case '5': case '6': case '7':
|
case '4': case '5': case '6': case '7':
|
ch = *t - '0';
|
ch = *t - '0';
|
++t;
|
++t;
|
if (*t >= '0' && *t <= '7')
|
if (*t >= '0' && *t <= '7')
|
{
|
{
|
ch = (ch << 3) | (*t - '0');
|
ch = (ch << 3) | (*t - '0');
|
++t;
|
++t;
|
if (*t >= '0' && *t <= '7')
|
if (*t >= '0' && *t <= '7')
|
{
|
{
|
ch = (ch << 3) | (*t - '0');
|
ch = (ch << 3) | (*t - '0');
|
++t;
|
++t;
|
}
|
}
|
}
|
}
|
*s++ = ch;
|
*s++ = ch;
|
break;
|
break;
|
|
|
case 'x': case 'X':
|
case 'x': case 'X':
|
++t;
|
++t;
|
ch = 0;
|
ch = 0;
|
/* We only handle single byte chars here. Make sure
|
/* We only handle single byte chars here. Make sure
|
we finish an escape sequence like "/xB0ABC" after
|
we finish an escape sequence like "/xB0ABC" after
|
the first two digits. */
|
the first two digits. */
|
num_xdigits = 2;
|
num_xdigits = 2;
|
while (num_xdigits--)
|
while (num_xdigits--)
|
{
|
{
|
if (*t >= '0' && *t <= '9')
|
if (*t >= '0' && *t <= '9')
|
ch = (ch << 4) | (*t - '0');
|
ch = (ch << 4) | (*t - '0');
|
else if (*t >= 'a' && *t <= 'f')
|
else if (*t >= 'a' && *t <= 'f')
|
ch = (ch << 4) | (*t - 'a' + 10);
|
ch = (ch << 4) | (*t - 'a' + 10);
|
else if (*t >= 'A' && *t <= 'F')
|
else if (*t >= 'A' && *t <= 'F')
|
ch = (ch << 4) | (*t - 'A' + 10);
|
ch = (ch << 4) | (*t - 'A' + 10);
|
else
|
else
|
break;
|
break;
|
++t;
|
++t;
|
}
|
}
|
*s++ = ch;
|
*s++ = ch;
|
break;
|
break;
|
|
|
default:
|
default:
|
rcparse_warning ("unrecognized escape sequence");
|
rcparse_warning ("unrecognized escape sequence");
|
*s++ = '\\';
|
*s++ = '\\';
|
*s++ = *t++;
|
*s++ = *t++;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else if (*t != '"')
|
else if (*t != '"')
|
*s++ = *t++;
|
*s++ = *t++;
|
else if (t[1] == '\0')
|
else if (t[1] == '\0')
|
break;
|
break;
|
else if (t[1] == '"')
|
else if (t[1] == '"')
|
{
|
{
|
*s++ = '"';
|
*s++ = '"';
|
t += 2;
|
t += 2;
|
}
|
}
|
else
|
else
|
{
|
{
|
++t;
|
++t;
|
if (! ISSPACE (*t))
|
if (! ISSPACE (*t))
|
rcparse_warning ("unexpected character after '\"'");
|
rcparse_warning ("unexpected character after '\"'");
|
while (ISSPACE (*t))
|
while (ISSPACE (*t))
|
{
|
{
|
if ((*t) == '\n')
|
if ((*t) == '\n')
|
++rc_lineno;
|
++rc_lineno;
|
++t;
|
++t;
|
}
|
}
|
if (*t == '\0')
|
if (*t == '\0')
|
break;
|
break;
|
assert (*t == '"');
|
assert (*t == '"');
|
++t;
|
++t;
|
}
|
}
|
}
|
}
|
|
|
*s = '\0';
|
*s = '\0';
|
|
|
*len = s - ret;
|
*len = s - ret;
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Allocate a unicode string of a given length. */
|
/* Allocate a unicode string of a given length. */
|
|
|
static unichar *
|
static unichar *
|
get_unistring (int len)
|
get_unistring (int len)
|
{
|
{
|
return (unichar *) get_string (len * sizeof (unichar));
|
return (unichar *) get_string (len * sizeof (unichar));
|
}
|
}
|
|
|
/* Handle a quoted unicode string. The quotes are stripped. A pair of quotes
|
/* Handle a quoted unicode string. The quotes are stripped. A pair of quotes
|
in a string are turned into a single quote. Adjacent strings are
|
in a string are turned into a single quote. Adjacent strings are
|
merged separated by whitespace are merged, as in C. */
|
merged separated by whitespace are merged, as in C. */
|
|
|
static unichar *
|
static unichar *
|
handle_uniquotes (rc_uint_type *len)
|
handle_uniquotes (rc_uint_type *len)
|
{
|
{
|
const char *input = rclex_tok;
|
const char *input = rclex_tok;
|
unichar *ret, *s;
|
unichar *ret, *s;
|
const char *t;
|
const char *t;
|
int ch;
|
int ch;
|
int num_xdigits;
|
int num_xdigits;
|
|
|
ret = get_unistring (strlen (input) + 1);
|
ret = get_unistring (strlen (input) + 1);
|
|
|
s = ret;
|
s = ret;
|
t = input;
|
t = input;
|
if ((*t == 'L' || *t == 'l') && t[1] == '"')
|
if ((*t == 'L' || *t == 'l') && t[1] == '"')
|
t += 2;
|
t += 2;
|
else if (*t == '"')
|
else if (*t == '"')
|
++t;
|
++t;
|
while (*t != '\0')
|
while (*t != '\0')
|
{
|
{
|
if (*t == '\\')
|
if (*t == '\\')
|
{
|
{
|
++t;
|
++t;
|
switch (*t)
|
switch (*t)
|
{
|
{
|
case '\0':
|
case '\0':
|
rcparse_warning ("backslash at end of string");
|
rcparse_warning ("backslash at end of string");
|
break;
|
break;
|
|
|
case '\"':
|
case '\"':
|
rcparse_warning ("use \"\" to put \" in a string");
|
rcparse_warning ("use \"\" to put \" in a string");
|
break;
|
break;
|
|
|
case 'a':
|
case 'a':
|
*s++ = ESCAPE_B; /* Strange, but true... */
|
*s++ = ESCAPE_B; /* Strange, but true... */
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'b':
|
case 'b':
|
*s++ = ESCAPE_B;
|
*s++ = ESCAPE_B;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'f':
|
case 'f':
|
*s++ = ESCAPE_F;
|
*s++ = ESCAPE_F;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'n':
|
case 'n':
|
*s++ = ESCAPE_N;
|
*s++ = ESCAPE_N;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'r':
|
case 'r':
|
*s++ = ESCAPE_R;
|
*s++ = ESCAPE_R;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 't':
|
case 't':
|
*s++ = ESCAPE_T;
|
*s++ = ESCAPE_T;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case 'v':
|
case 'v':
|
*s++ = ESCAPE_V;
|
*s++ = ESCAPE_V;
|
++t;
|
++t;
|
break;
|
break;
|
|
|
case '\\':
|
case '\\':
|
*s++ = (unichar) *t++;
|
*s++ = (unichar) *t++;
|
break;
|
break;
|
|
|
case '0': case '1': case '2': case '3':
|
case '0': case '1': case '2': case '3':
|
case '4': case '5': case '6': case '7':
|
case '4': case '5': case '6': case '7':
|
ch = *t - '0';
|
ch = *t - '0';
|
++t;
|
++t;
|
if (*t >= '0' && *t <= '7')
|
if (*t >= '0' && *t <= '7')
|
{
|
{
|
ch = (ch << 3) | (*t - '0');
|
ch = (ch << 3) | (*t - '0');
|
++t;
|
++t;
|
if (*t >= '0' && *t <= '7')
|
if (*t >= '0' && *t <= '7')
|
{
|
{
|
ch = (ch << 3) | (*t - '0');
|
ch = (ch << 3) | (*t - '0');
|
++t;
|
++t;
|
}
|
}
|
}
|
}
|
*s++ = (unichar) ch;
|
*s++ = (unichar) ch;
|
break;
|
break;
|
|
|
case 'x': case 'X':
|
case 'x': case 'X':
|
++t;
|
++t;
|
ch = 0;
|
ch = 0;
|
/* We only handle two byte chars here. Make sure
|
/* We only handle two byte chars here. Make sure
|
we finish an escape sequence like "/xB0ABC" after
|
we finish an escape sequence like "/xB0ABC" after
|
the first two digits. */
|
the first two digits. */
|
num_xdigits = 4;
|
num_xdigits = 4;
|
while (num_xdigits--)
|
while (num_xdigits--)
|
{
|
{
|
if (*t >= '0' && *t <= '9')
|
if (*t >= '0' && *t <= '9')
|
ch = (ch << 4) | (*t - '0');
|
ch = (ch << 4) | (*t - '0');
|
else if (*t >= 'a' && *t <= 'f')
|
else if (*t >= 'a' && *t <= 'f')
|
ch = (ch << 4) | (*t - 'a' + 10);
|
ch = (ch << 4) | (*t - 'a' + 10);
|
else if (*t >= 'A' && *t <= 'F')
|
else if (*t >= 'A' && *t <= 'F')
|
ch = (ch << 4) | (*t - 'A' + 10);
|
ch = (ch << 4) | (*t - 'A' + 10);
|
else
|
else
|
break;
|
break;
|
++t;
|
++t;
|
}
|
}
|
*s++ = (unichar) ch;
|
*s++ = (unichar) ch;
|
break;
|
break;
|
|
|
default:
|
default:
|
rcparse_warning ("unrecognized escape sequence");
|
rcparse_warning ("unrecognized escape sequence");
|
*s++ = '\\';
|
*s++ = '\\';
|
*s++ = (unichar) *t++;
|
*s++ = (unichar) *t++;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else if (*t != '"')
|
else if (*t != '"')
|
*s++ = (unichar) *t++;
|
*s++ = (unichar) *t++;
|
else if (t[1] == '\0')
|
else if (t[1] == '\0')
|
break;
|
break;
|
else if (t[1] == '"')
|
else if (t[1] == '"')
|
{
|
{
|
*s++ = '"';
|
*s++ = '"';
|
t += 2;
|
t += 2;
|
}
|
}
|
else
|
else
|
{
|
{
|
++t;
|
++t;
|
assert (ISSPACE (*t));
|
assert (ISSPACE (*t));
|
while (ISSPACE (*t))
|
while (ISSPACE (*t))
|
{
|
{
|
if ((*t) == '\n')
|
if ((*t) == '\n')
|
++rc_lineno;
|
++rc_lineno;
|
++t;
|
++t;
|
}
|
}
|
if (*t == '\0')
|
if (*t == '\0')
|
break;
|
break;
|
assert (*t == '"');
|
assert (*t == '"');
|
++t;
|
++t;
|
}
|
}
|
}
|
}
|
|
|
*s = '\0';
|
*s = '\0';
|
|
|
*len = s - ret;
|
*len = s - ret;
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Discard all the strings we have allocated. The parser calls this
|
/* Discard all the strings we have allocated. The parser calls this
|
when it no longer needs them. */
|
when it no longer needs them. */
|
|
|
void
|
void
|
rcparse_discard_strings (void)
|
rcparse_discard_strings (void)
|
{
|
{
|
struct alloc_string *as;
|
struct alloc_string *as;
|
|
|
as = strings;
|
as = strings;
|
while (as != NULL)
|
while (as != NULL)
|
{
|
{
|
struct alloc_string *n;
|
struct alloc_string *n;
|
|
|
free (as->s);
|
free (as->s);
|
n = as->next;
|
n = as->next;
|
free (as);
|
free (as);
|
as = n;
|
as = n;
|
}
|
}
|
|
|
strings = NULL;
|
strings = NULL;
|
}
|
}
|
|
|
/* Enter rcdata mode. */
|
/* Enter rcdata mode. */
|
void
|
void
|
rcparse_rcdata (void)
|
rcparse_rcdata (void)
|
{
|
{
|
rcdata_mode = 1;
|
rcdata_mode = 1;
|
}
|
}
|
|
|
/* Go back to normal mode from rcdata mode. */
|
/* Go back to normal mode from rcdata mode. */
|
void
|
void
|
rcparse_normal (void)
|
rcparse_normal (void)
|
{
|
{
|
rcdata_mode = 0;
|
rcdata_mode = 0;
|
}
|
}
|
|
|
static void
|
static void
|
rclex_tok_add_char (int ch)
|
rclex_tok_add_char (int ch)
|
{
|
{
|
if (! rclex_tok || rclex_tok_max <= rclex_tok_pos)
|
if (! rclex_tok || rclex_tok_max <= rclex_tok_pos)
|
{
|
{
|
char *h = xmalloc (rclex_tok_max + 9);
|
char *h = xmalloc (rclex_tok_max + 9);
|
|
|
if (! h)
|
if (! h)
|
abort ();
|
abort ();
|
if (rclex_tok)
|
if (rclex_tok)
|
{
|
{
|
memcpy (h, rclex_tok, rclex_tok_pos + 1);
|
memcpy (h, rclex_tok, rclex_tok_pos + 1);
|
free (rclex_tok);
|
free (rclex_tok);
|
}
|
}
|
else
|
else
|
rclex_tok_pos = 0;
|
rclex_tok_pos = 0;
|
rclex_tok_max += 8;
|
rclex_tok_max += 8;
|
rclex_tok = h;
|
rclex_tok = h;
|
}
|
}
|
if (ch != -1)
|
if (ch != -1)
|
rclex_tok[rclex_tok_pos++] = (char) ch;
|
rclex_tok[rclex_tok_pos++] = (char) ch;
|
rclex_tok[rclex_tok_pos] = 0;
|
rclex_tok[rclex_tok_pos] = 0;
|
}
|
}
|
|
|
static int
|
static int
|
rclex_readch (void)
|
rclex_readch (void)
|
{
|
{
|
int r = -1;
|
int r = -1;
|
|
|
if ((r = rclex_lastch) != -1)
|
if ((r = rclex_lastch) != -1)
|
rclex_lastch = -1;
|
rclex_lastch = -1;
|
else
|
else
|
{
|
{
|
char ch;
|
char ch;
|
do
|
do
|
{
|
{
|
if (! cpp_pipe || feof (cpp_pipe)
|
if (! cpp_pipe || feof (cpp_pipe)
|
|| fread (&ch, 1, 1,cpp_pipe) != 1)
|
|| fread (&ch, 1, 1,cpp_pipe) != 1)
|
break;
|
break;
|
r = ((int) ch) & 0xff;
|
r = ((int) ch) & 0xff;
|
}
|
}
|
while (r == 0 || r == '\r');
|
while (r == 0 || r == '\r');
|
}
|
}
|
rclex_tok_add_char (r);
|
rclex_tok_add_char (r);
|
return r;
|
return r;
|
}
|
}
|
|
|
static int
|
static int
|
rclex_peekch (void)
|
rclex_peekch (void)
|
{
|
{
|
int r;
|
int r;
|
|
|
if ((r = rclex_lastch) == -1)
|
if ((r = rclex_lastch) == -1)
|
{
|
{
|
if ((r = rclex_readch ()) != -1)
|
if ((r = rclex_readch ()) != -1)
|
{
|
{
|
rclex_lastch = r;
|
rclex_lastch = r;
|
if (rclex_tok_pos > 0)
|
if (rclex_tok_pos > 0)
|
rclex_tok[--rclex_tok_pos] = 0;
|
rclex_tok[--rclex_tok_pos] = 0;
|
}
|
}
|
}
|
}
|
return r;
|
return r;
|
}
|
}
|
|
|
static void
|
static void
|
rclex_string (void)
|
rclex_string (void)
|
{
|
{
|
int c;
|
int c;
|
|
|
while ((c = rclex_peekch ()) != -1)
|
while ((c = rclex_peekch ()) != -1)
|
{
|
{
|
if (c == '\n')
|
if (c == '\n')
|
break;
|
break;
|
if (c == '\\')
|
if (c == '\\')
|
{
|
{
|
rclex_readch ();
|
rclex_readch ();
|
if ((c = rclex_peekch ()) == -1 || c == '\n')
|
if ((c = rclex_peekch ()) == -1 || c == '\n')
|
break;
|
break;
|
rclex_readch ();
|
rclex_readch ();
|
}
|
}
|
else if (rclex_readch () == '"')
|
else if (rclex_readch () == '"')
|
{
|
{
|
/* PR 6714
|
/* PR 6714
|
Skip any whitespace after the end of the double quotes. */
|
Skip any whitespace after the end of the double quotes. */
|
do
|
do
|
{
|
{
|
c = rclex_peekch ();
|
c = rclex_peekch ();
|
if (ISSPACE (c))
|
if (ISSPACE (c))
|
rclex_readch ();
|
rclex_readch ();
|
else
|
else
|
c = -1;
|
c = -1;
|
}
|
}
|
while (c != -1);
|
while (c != -1);
|
|
|
if (rclex_peekch () == '"')
|
if (rclex_peekch () == '"')
|
rclex_readch ();
|
rclex_readch ();
|
else
|
else
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
static rc_uint_type
|
static rc_uint_type
|
read_digit (int ch)
|
read_digit (int ch)
|
{
|
{
|
rc_uint_type base = 10;
|
rc_uint_type base = 10;
|
rc_uint_type ret, val;
|
rc_uint_type ret, val;
|
int warned = 0;
|
int warned = 0;
|
|
|
ret = 0;
|
ret = 0;
|
if (ch == '0')
|
if (ch == '0')
|
{
|
{
|
base = 8;
|
base = 8;
|
switch (rclex_peekch ())
|
switch (rclex_peekch ())
|
{
|
{
|
case 'o': case 'O':
|
case 'o': case 'O':
|
rclex_readch ();
|
rclex_readch ();
|
base = 8;
|
base = 8;
|
break;
|
break;
|
|
|
case 'x': case 'X':
|
case 'x': case 'X':
|
rclex_readch ();
|
rclex_readch ();
|
base = 16;
|
base = 16;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else
|
else
|
ret = (rc_uint_type) (ch - '0');
|
ret = (rc_uint_type) (ch - '0');
|
while ((ch = rclex_peekch ()) != -1)
|
while ((ch = rclex_peekch ()) != -1)
|
{
|
{
|
if (ISDIGIT (ch))
|
if (ISDIGIT (ch))
|
val = (rc_uint_type) (ch - '0');
|
val = (rc_uint_type) (ch - '0');
|
else if (ch >= 'a' && ch <= 'f')
|
else if (ch >= 'a' && ch <= 'f')
|
val = (rc_uint_type) ((ch - 'a') + 10);
|
val = (rc_uint_type) ((ch - 'a') + 10);
|
else if (ch >= 'A' && ch <= 'F')
|
else if (ch >= 'A' && ch <= 'F')
|
val = (rc_uint_type) ((ch - 'A') + 10);
|
val = (rc_uint_type) ((ch - 'A') + 10);
|
else
|
else
|
break;
|
break;
|
rclex_readch ();
|
rclex_readch ();
|
if (! warned && val >= base)
|
if (! warned && val >= base)
|
{
|
{
|
warned = 1;
|
warned = 1;
|
rcparse_warning ("digit exceeds base");
|
rcparse_warning ("digit exceeds base");
|
}
|
}
|
ret *= base;
|
ret *= base;
|
ret += val;
|
ret += val;
|
}
|
}
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* yyparser entry method. */
|
/* yyparser entry method. */
|
|
|
int
|
int
|
yylex (void)
|
yylex (void)
|
{
|
{
|
char *s;
|
char *s;
|
unichar *us;
|
unichar *us;
|
rc_uint_type length;
|
rc_uint_type length;
|
int ch;
|
int ch;
|
|
|
/* Make sure that rclex_tok is initialized. */
|
/* Make sure that rclex_tok is initialized. */
|
if (! rclex_tok)
|
if (! rclex_tok)
|
rclex_tok_add_char (-1);
|
rclex_tok_add_char (-1);
|
|
|
do
|
do
|
{
|
{
|
do
|
do
|
{
|
{
|
/* Clear token. */
|
/* Clear token. */
|
rclex_tok_pos = 0;
|
rclex_tok_pos = 0;
|
rclex_tok[0] = 0;
|
rclex_tok[0] = 0;
|
|
|
if ((ch = rclex_readch ()) == -1)
|
if ((ch = rclex_readch ()) == -1)
|
return -1;
|
return -1;
|
if (ch == '\n')
|
if (ch == '\n')
|
++rc_lineno;
|
++rc_lineno;
|
}
|
}
|
while (ch <= 0x20);
|
while (ch <= 0x20);
|
|
|
switch (ch)
|
switch (ch)
|
{
|
{
|
case '#':
|
case '#':
|
while ((ch = rclex_peekch ()) != -1 && ch != '\n')
|
while ((ch = rclex_peekch ()) != -1 && ch != '\n')
|
rclex_readch ();
|
rclex_readch ();
|
cpp_line ();
|
cpp_line ();
|
ch = IGNORED_TOKEN;
|
ch = IGNORED_TOKEN;
|
break;
|
break;
|
|
|
case '{':
|
case '{':
|
ch = IGNORE_CPP (BEG);
|
ch = IGNORE_CPP (BEG);
|
break;
|
break;
|
|
|
case '}':
|
case '}':
|
ch = IGNORE_CPP (END);
|
ch = IGNORE_CPP (END);
|
break;
|
break;
|
|
|
case '0': case '1': case '2': case '3': case '4':
|
case '0': case '1': case '2': case '3': case '4':
|
case '5': case '6': case '7': case '8': case '9':
|
case '5': case '6': case '7': case '8': case '9':
|
yylval.i.val = read_digit (ch);
|
yylval.i.val = read_digit (ch);
|
yylval.i.dword = 0;
|
yylval.i.dword = 0;
|
switch (rclex_peekch ())
|
switch (rclex_peekch ())
|
{
|
{
|
case 'l': case 'L':
|
case 'l': case 'L':
|
rclex_readch ();
|
rclex_readch ();
|
yylval.i.dword = 1;
|
yylval.i.dword = 1;
|
break;
|
break;
|
}
|
}
|
ch = IGNORE_CPP (NUMBER);
|
ch = IGNORE_CPP (NUMBER);
|
break;
|
break;
|
case '"':
|
case '"':
|
rclex_string ();
|
rclex_string ();
|
ch = IGNORE_CPP ((! rcdata_mode ? QUOTEDSTRING : SIZEDSTRING));
|
ch = IGNORE_CPP ((! rcdata_mode ? QUOTEDSTRING : SIZEDSTRING));
|
if (ch == IGNORED_TOKEN)
|
if (ch == IGNORED_TOKEN)
|
break;
|
break;
|
s = handle_quotes (&length);
|
s = handle_quotes (&length);
|
if (! rcdata_mode)
|
if (! rcdata_mode)
|
yylval.s = s;
|
yylval.s = s;
|
else
|
else
|
{
|
{
|
yylval.ss.length = length;
|
yylval.ss.length = length;
|
yylval.ss.s = s;
|
yylval.ss.s = s;
|
}
|
}
|
break;
|
break;
|
case 'L': case 'l':
|
case 'L': case 'l':
|
if (rclex_peekch () == '"')
|
if (rclex_peekch () == '"')
|
{
|
{
|
rclex_readch ();
|
rclex_readch ();
|
rclex_string ();
|
rclex_string ();
|
ch = IGNORE_CPP ((! rcdata_mode ? QUOTEDUNISTRING : SIZEDUNISTRING));
|
ch = IGNORE_CPP ((! rcdata_mode ? QUOTEDUNISTRING : SIZEDUNISTRING));
|
if (ch == IGNORED_TOKEN)
|
if (ch == IGNORED_TOKEN)
|
break;
|
break;
|
us = handle_uniquotes (&length);
|
us = handle_uniquotes (&length);
|
if (! rcdata_mode)
|
if (! rcdata_mode)
|
yylval.uni = us;
|
yylval.uni = us;
|
else
|
else
|
{
|
{
|
yylval.suni.length = length;
|
yylval.suni.length = length;
|
yylval.suni.s = us;
|
yylval.suni.s = us;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
/* Fall through. */
|
/* Fall through. */
|
default:
|
default:
|
if (ISIDST (ch) || ch=='$')
|
if (ISIDST (ch) || ch=='$')
|
{
|
{
|
while ((ch = rclex_peekch ()) != -1
|
while ((ch = rclex_peekch ()) != -1
|
&& (ISIDNUM (ch) || ch == '$' || ch == '.'
|
&& (ISIDNUM (ch) || ch == '$' || ch == '.'
|
|| ch == ':' || ch == '\\' || ch == '/'
|
|| ch == ':' || ch == '\\' || ch == '/'
|
|| ch == '_' || ch == '-')
|
|| ch == '_' || ch == '-')
|
)
|
)
|
rclex_readch ();
|
rclex_readch ();
|
ch = IGNORE_CPP (rclex_translatekeyword (rclex_tok));
|
ch = IGNORE_CPP (rclex_translatekeyword (rclex_tok));
|
if (ch == STRING)
|
if (ch == STRING)
|
{
|
{
|
s = get_string (strlen (rclex_tok) + 1);
|
s = get_string (strlen (rclex_tok) + 1);
|
strcpy (s, rclex_tok);
|
strcpy (s, rclex_tok);
|
yylval.s = s;
|
yylval.s = s;
|
}
|
}
|
else if (ch == BLOCK)
|
else if (ch == BLOCK)
|
{
|
{
|
const char *hs = NULL;
|
const char *hs = NULL;
|
|
|
switch (yylex ())
|
switch (yylex ())
|
{
|
{
|
case STRING:
|
case STRING:
|
case QUOTEDSTRING:
|
case QUOTEDSTRING:
|
hs = yylval.s;
|
hs = yylval.s;
|
break;
|
break;
|
case SIZEDSTRING:
|
case SIZEDSTRING:
|
hs = yylval.s = yylval.ss.s;
|
hs = yylval.s = yylval.ss.s;
|
break;
|
break;
|
}
|
}
|
if (! hs)
|
if (! hs)
|
{
|
{
|
rcparse_warning ("BLOCK expects a string as argument.");
|
rcparse_warning ("BLOCK expects a string as argument.");
|
ch = IGNORED_TOKEN;
|
ch = IGNORED_TOKEN;
|
}
|
}
|
else if (! strcmp (hs, "StringFileInfo"))
|
else if (! strcmp (hs, "StringFileInfo"))
|
ch = BLOCKSTRINGFILEINFO;
|
ch = BLOCKSTRINGFILEINFO;
|
else if (! strcmp (hs, "VarFileInfo"))
|
else if (! strcmp (hs, "VarFileInfo"))
|
ch = BLOCKVARFILEINFO;
|
ch = BLOCKVARFILEINFO;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
ch = IGNORE_CPP (ch);
|
ch = IGNORE_CPP (ch);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
while (ch == IGNORED_TOKEN);
|
while (ch == IGNORED_TOKEN);
|
|
|
return ch;
|
return ch;
|
}
|
}
|
|
|
