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3db64b0092
Many files: Include sysdep.h before bfd.h. * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. binutils/ * bucumm.h: Split off host dependencies to.. * sysdep.h: ..here. Many files: Include sysdep.h. Remove duplicate headers and reorder. * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. ld/ Many files: Include sysdep.h first. Remove duplicate headers. * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. opcodes/ * Makefile.am: Run "make dep-am". * Makefile.in: Regenerate. * ns32k-dis.c: Include sysdep.h first.
505 lines
12 KiB
Plaintext
505 lines
12 KiB
Plaintext
%{ /* rclex.l -- lexer for Windows rc files parser */
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/* Copyright 1997, 1998, 1999, 2001, 2002, 2003, 2005, 2007
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Free Software Foundation, Inc.
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Written by Ian Lance Taylor, Cygnus Support.
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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 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, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* This is a lex input file which generates a lexer used by the
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Windows rc file parser. It basically just recognized a bunch of
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keywords. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libiberty.h"
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#include "safe-ctype.h"
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#include "windres.h"
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#include "rcparse.h"
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#include <assert.h>
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#define YY_NO_UNPUT
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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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static int rcdata_mode;
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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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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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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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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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#define MAYBE_RETURN(x) return 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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tell included files from the original file. */
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static char *initial_fn;
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/* List of allocated strings. */
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struct alloc_string
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{
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struct alloc_string *next;
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char *s;
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};
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static struct alloc_string *strings;
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/* Local functions. */
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static void cpp_line (const char *);
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static char *handle_quotes (const char *, unsigned long *);
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static char *get_string (int);
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%}
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%%
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"BEGIN" { MAYBE_RETURN (BEG); }
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"{" { MAYBE_RETURN (BEG); }
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"END" { MAYBE_RETURN (END); }
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"}" { MAYBE_RETURN (END); }
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"ACCELERATORS" { MAYBE_RETURN (ACCELERATORS); }
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"VIRTKEY" { MAYBE_RETURN (VIRTKEY); }
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"ASCII" { MAYBE_RETURN (ASCII); }
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"NOINVERT" { MAYBE_RETURN (NOINVERT); }
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"SHIFT" { MAYBE_RETURN (SHIFT); }
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"CONTROL" { MAYBE_RETURN (CONTROL); }
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"ALT" { MAYBE_RETURN (ALT); }
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"BITMAP" { MAYBE_RETURN (BITMAP); }
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"CURSOR" { MAYBE_RETURN (CURSOR); }
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"DIALOG" { MAYBE_RETURN (DIALOG); }
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"DIALOGEX" { MAYBE_RETURN (DIALOGEX); }
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"EXSTYLE" { MAYBE_RETURN (EXSTYLE); }
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"CAPTION" { MAYBE_RETURN (CAPTION); }
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"CLASS" { MAYBE_RETURN (CLASS); }
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"STYLE" { MAYBE_RETURN (STYLE); }
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"AUTO3STATE" { MAYBE_RETURN (AUTO3STATE); }
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"AUTOCHECKBOX" { MAYBE_RETURN (AUTOCHECKBOX); }
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"AUTORADIOBUTTON" { MAYBE_RETURN (AUTORADIOBUTTON); }
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"CHECKBOX" { MAYBE_RETURN (CHECKBOX); }
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"COMBOBOX" { MAYBE_RETURN (COMBOBOX); }
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"CTEXT" { MAYBE_RETURN (CTEXT); }
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"DEFPUSHBUTTON" { MAYBE_RETURN (DEFPUSHBUTTON); }
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"EDITTEXT" { MAYBE_RETURN (EDITTEXT); }
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"GROUPBOX" { MAYBE_RETURN (GROUPBOX); }
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"LISTBOX" { MAYBE_RETURN (LISTBOX); }
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"LTEXT" { MAYBE_RETURN (LTEXT); }
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"PUSHBOX" { MAYBE_RETURN (PUSHBOX); }
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"PUSHBUTTON" { MAYBE_RETURN (PUSHBUTTON); }
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"RADIOBUTTON" { MAYBE_RETURN (RADIOBUTTON); }
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"RTEXT" { MAYBE_RETURN (RTEXT); }
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"SCROLLBAR" { MAYBE_RETURN (SCROLLBAR); }
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"STATE3" { MAYBE_RETURN (STATE3); }
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"USERBUTTON" { MAYBE_RETURN (USERBUTTON); }
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"BEDIT" { MAYBE_RETURN (BEDIT); }
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"HEDIT" { MAYBE_RETURN (HEDIT); }
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"IEDIT" { MAYBE_RETURN (IEDIT); }
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"FONT" { MAYBE_RETURN (FONT); }
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"ICON" { MAYBE_RETURN (ICON); }
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"LANGUAGE" { MAYBE_RETURN (LANGUAGE); }
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"CHARACTERISTICS" { MAYBE_RETURN (CHARACTERISTICS); }
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"VERSION" { MAYBE_RETURN (VERSIONK); }
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"MENU" { MAYBE_RETURN (MENU); }
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"MENUEX" { MAYBE_RETURN (MENUEX); }
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"MENUITEM" { MAYBE_RETURN (MENUITEM); }
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"SEPARATOR" { MAYBE_RETURN (SEPARATOR); }
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"POPUP" { MAYBE_RETURN (POPUP); }
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"CHECKED" { MAYBE_RETURN (CHECKED); }
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"GRAYED" { MAYBE_RETURN (GRAYED); }
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"HELP" { MAYBE_RETURN (HELP); }
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"INACTIVE" { MAYBE_RETURN (INACTIVE); }
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"MENUBARBREAK" { MAYBE_RETURN (MENUBARBREAK); }
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"MENUBREAK" { MAYBE_RETURN (MENUBREAK); }
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"MESSAGETABLE" { MAYBE_RETURN (MESSAGETABLE); }
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"RCDATA" { MAYBE_RETURN (RCDATA); }
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"STRINGTABLE" { MAYBE_RETURN (STRINGTABLE); }
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"VERSIONINFO" { MAYBE_RETURN (VERSIONINFO); }
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"FILEVERSION" { MAYBE_RETURN (FILEVERSION); }
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"PRODUCTVERSION" { MAYBE_RETURN (PRODUCTVERSION); }
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"FILEFLAGSMASK" { MAYBE_RETURN (FILEFLAGSMASK); }
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"FILEFLAGS" { MAYBE_RETURN (FILEFLAGS); }
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"FILEOS" { MAYBE_RETURN (FILEOS); }
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"FILETYPE" { MAYBE_RETURN (FILETYPE); }
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"FILESUBTYPE" { MAYBE_RETURN (FILESUBTYPE); }
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"VALUE" { MAYBE_RETURN (VALUE); }
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"MOVEABLE" { MAYBE_RETURN (MOVEABLE); }
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"FIXED" { MAYBE_RETURN (FIXED); }
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"PURE" { MAYBE_RETURN (PURE); }
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"IMPURE" { MAYBE_RETURN (IMPURE); }
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"PRELOAD" { MAYBE_RETURN (PRELOAD); }
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"LOADONCALL" { MAYBE_RETURN (LOADONCALL); }
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"DISCARDABLE" { MAYBE_RETURN (DISCARDABLE); }
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"NOT" { MAYBE_RETURN (NOT); }
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"BLOCK"[ \t\n]*"\""[^\#\n]*"\"" {
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char *s, *send;
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/* This is a hack to let us parse version
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information easily. */
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s = strchr (yytext, '"');
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++s;
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send = strchr (s, '"');
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if (strncmp (s, "StringFileInfo",
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sizeof "StringFileInfo" - 1) == 0
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&& s + sizeof "StringFileInfo" - 1 == send)
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MAYBE_RETURN (BLOCKSTRINGFILEINFO);
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else if (strncmp (s, "VarFileInfo",
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sizeof "VarFileInfo" - 1) == 0
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&& s + sizeof "VarFileInfo" - 1 == send)
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MAYBE_RETURN (BLOCKVARFILEINFO);
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else
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{
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char *r;
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r = get_string (send - s + 1);
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strncpy (r, s, send - s);
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r[send - s] = '\0';
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yylval.s = r;
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MAYBE_RETURN (BLOCK);
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}
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}
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"#"[^\n]* {
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cpp_line (yytext);
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}
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[0-9][x0-9A-Fa-f]*L {
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yylval.i.val = strtoul (yytext, 0, 0);
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yylval.i.dword = 1;
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MAYBE_RETURN (NUMBER);
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}
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[0-9][x0-9A-Fa-f]* {
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yylval.i.val = strtoul (yytext, 0, 0);
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yylval.i.dword = 0;
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MAYBE_RETURN (NUMBER);
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}
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("\""[^\"\n]*"\""[ \t\n]*)+ {
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char *s;
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unsigned long length;
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s = handle_quotes (yytext, &length);
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if (! rcdata_mode)
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{
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yylval.s = s;
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MAYBE_RETURN (QUOTEDSTRING);
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}
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else
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{
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yylval.ss.length = length;
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yylval.ss.s = s;
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MAYBE_RETURN (SIZEDSTRING);
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}
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}
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[_A-Za-z][^ ,\t\r\n]* {
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char *s;
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/* I rejected comma in a string in order to
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handle VIRTKEY, CONTROL in an accelerator
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resource. This means that an unquoted
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file name can not contain a comma. I
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don't know what rc permits. */
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s = get_string (strlen (yytext) + 1);
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strcpy (s, yytext);
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yylval.s = s;
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MAYBE_RETURN (STRING);
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}
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[\n] { ++rc_lineno; }
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[ \t\r]+ { /* ignore whitespace */ }
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. { MAYBE_RETURN (*yytext); }
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%%
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#ifndef yywrap
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/* This is needed for some versions of lex. */
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int yywrap (void)
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{
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return 1;
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}
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#endif
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/* Handle a C preprocessor line. */
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static void
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cpp_line (const char *s)
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{
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int line;
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char *send, *fn;
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++s;
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while (ISSPACE (*s))
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++s;
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line = strtol (s, &send, 0);
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if (*send != '\0' && ! ISSPACE (*send))
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return;
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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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s = send;
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while (ISSPACE (*s))
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++s;
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if (*s != '"')
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return;
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++s;
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send = strchr (s, '"');
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if (send == NULL)
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return;
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fn = (char *) xmalloc (send - s + 1);
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strncpy (fn, s, send - s);
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fn[send - s] = '\0';
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free (rc_filename);
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rc_filename = fn;
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if (!initial_fn)
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{
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initial_fn = xmalloc (strlen (fn) + 1);
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strcpy (initial_fn, fn);
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}
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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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if (strcmp (initial_fn, fn) == 0
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|| strcmp (fn + strlen (fn) - 2, ".h") != 0)
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suppress_cpp_data = 0;
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else
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suppress_cpp_data = 1;
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}
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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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merged separated by whitespace are merged, as in C. */
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static char *
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handle_quotes (const char *input, unsigned long *len)
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{
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char *ret, *s;
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const char *t;
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int ch;
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int num_xdigits;
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ret = get_string (strlen (input) + 1);
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s = ret;
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t = input;
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if (*t == '"')
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++t;
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while (*t != '\0')
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{
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if (*t == '\\')
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{
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++t;
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switch (*t)
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{
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case '\0':
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rcparse_warning ("backslash at end of string");
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break;
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case '\"':
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rcparse_warning ("use \"\" to put \" in a string");
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break;
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case 'a':
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*s++ = ESCAPE_B; /* Strange, but true... */
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++t;
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break;
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case 'b':
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*s++ = ESCAPE_B;
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++t;
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break;
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case 'f':
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*s++ = ESCAPE_F;
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++t;
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break;
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case 'n':
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*s++ = ESCAPE_N;
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++t;
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break;
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case 'r':
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*s++ = ESCAPE_R;
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++t;
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break;
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case 't':
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*s++ = ESCAPE_T;
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++t;
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break;
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case 'v':
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*s++ = ESCAPE_V;
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++t;
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break;
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case '\\':
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*s++ = *t++;
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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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ch = *t - '0';
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++t;
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if (*t >= '0' && *t <= '7')
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{
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ch = (ch << 3) | (*t - '0');
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++t;
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if (*t >= '0' && *t <= '7')
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{
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ch = (ch << 3) | (*t - '0');
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++t;
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}
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}
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*s++ = ch;
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break;
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case 'x':
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++t;
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ch = 0;
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/* We only handle single byte chars here. Make sure
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we finish an escape sequence like "/xB0ABC" after
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the first two digits. */
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num_xdigits = 2;
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while (num_xdigits--)
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{
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if (*t >= '0' && *t <= '9')
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ch = (ch << 4) | (*t - '0');
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else if (*t >= 'a' && *t <= 'f')
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ch = (ch << 4) | (*t - 'a' + 10);
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else if (*t >= 'A' && *t <= 'F')
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ch = (ch << 4) | (*t - 'A' + 10);
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else
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break;
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++t;
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}
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*s++ = ch;
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break;
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default:
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rcparse_warning ("unrecognized escape sequence");
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*s++ = '\\';
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*s++ = *t++;
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break;
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}
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}
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else if (*t != '"')
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*s++ = *t++;
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else if (t[1] == '\0')
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break;
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else if (t[1] == '"')
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{
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*s++ = '"';
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t += 2;
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}
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else
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{
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++t;
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assert (ISSPACE (*t));
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while (ISSPACE (*t))
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{
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if ((*t) == '\n')
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++rc_lineno;
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++t;
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}
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if (*t == '\0')
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break;
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assert (*t == '"');
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++t;
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}
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}
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*s = '\0';
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*len = s - ret;
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return ret;
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}
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/* Allocate a string of a given length. */
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static char *
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get_string (int len)
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{
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struct alloc_string *as;
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as = (struct alloc_string *) xmalloc (sizeof *as);
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as->s = xmalloc (len);
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as->next = strings;
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strings = as;
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return as->s;
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}
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/* Discard all the strings we have allocated. The parser calls this
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when it no longer needs them. */
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void
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rcparse_discard_strings (void)
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{
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struct alloc_string *as;
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as = strings;
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while (as != NULL)
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{
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struct alloc_string *n;
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free (as->s);
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n = as->next;
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free (as);
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as = n;
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}
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strings = NULL;
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}
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/* Enter rcdata mode. */
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void
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rcparse_rcdata (void)
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{
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rcdata_mode = 1;
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}
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/* Go back to normal mode from rcdata mode. */
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void
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rcparse_normal (void)
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{
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rcdata_mode = 0;
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}
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