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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [binutils/] [rclex.c] - Blame information for rev 853

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

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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [binutils/] [rclex.c] - Blame information for rev 853

Line No.	Rev	Author	Line
1	38	julius	`/* rclex.c -- lexer for Windows rc files parser */`
2
3			`/* Copyright 1997, 1998, 1999, 2001, 2002, 2003, 2005, 2006, 2007`
4			`Free Software Foundation, Inc.`
5
6			`Written by Kai Tietz, Onevision.`
7
8			`This file is part of GNU Binutils.`
9
10			`This program is free software; you can redistribute it and/or modify`
11			`it under the terms of the GNU General Public License as published by`
12			`the Free Software Foundation; either version 3 of the License, or`
13			`(at your option) any later version.`
14
15			`This program is distributed in the hope that it will be useful,`
16			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
17			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
18			`GNU General Public License for more details.`
19
20			`You should have received a copy of the GNU General Public License`
21			`along with this program; if not, write to the Free Software`
22			`Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA`
23			`02110-1301, USA. */`
24
25
26			`/* This is a lexer used by the Windows rc file parser. It basically`
27			`just recognized a bunch of keywords. */`
28
29			`#include "sysdep.h"`
30			`#include "bfd.h"`
31			`#include "bucomm.h"`
32			`#include "libiberty.h"`
33			`#include "safe-ctype.h"`
34			`#include "windres.h"`
35			`#include "rcparse.h"`
36
37			`#include <assert.h>`
38
39			`/* Whether we are in rcdata mode, in which we returns the lengths of`
40			`strings. */`
41
42			`static int rcdata_mode;`
43
44			`/* Whether we are supressing lines from cpp (including windows.h or`
45			`headers from your C sources may bring in externs and typedefs).`
46			`When active, we return IGNORED_TOKEN, which lets us ignore these`
47			`outside of resource constructs. Thus, it isn't required to protect`
48			`all the non-preprocessor lines in your header files with #ifdef`
49			`RC_INVOKED. It also means your RC file can't include other RC`
50			`files if they're named ".h". Sorry. Name them .rch or whatever. */`
51
52			`static int suppress_cpp_data;`
53
54			`#define IGNORE_CPP(x) (suppress_cpp_data ? IGNORED_TOKEN : (x))`
55
56			`/* The first filename we detect in the cpp output. We use this to`
57			`tell included files from the original file. */`
58
59			`static char *initial_fn;`
60
61			`/* List of allocated strings. */`
62
63			`struct alloc_string`
64			`{`
65			`struct alloc_string *next;`
66			`char *s;`
67			`};`
68
69			`static struct alloc_string *strings;`
70
71			`struct rclex_keywords`
72			`{`
73			`const char *name;`
74			`int tok;`
75			`};`
76
77			`#define K(KEY) { #KEY, KEY }`
78			`#define KRT(KEY) { #KEY, RT_##KEY }`
79
80			`static const struct rclex_keywords keywds[] =`
81			`{`
82			`K(ACCELERATORS), K(ALT), K(ANICURSOR), K(ANIICON), K(ASCII),`
83			`K(AUTO3STATE), K(AUTOCHECKBOX), K(AUTORADIOBUTTON),`
84			`K(BEDIT), { "BEGIN", BEG }, K(BITMAP), K(BLOCK), K(BUTTON),`
85			`K(CAPTION), K(CHARACTERISTICS), K(CHECKBOX), K(CHECKED),`
86			`K(CLASS), K(COMBOBOX), K(CONTROL), K(CTEXT), K(CURSOR),`
87			`K(DEFPUSHBUTTON), K(DIALOG), K(DIALOGEX), K(DISCARDABLE),`
88			`K(DLGINCLUDE), K(DLGINIT),`
89			`K(EDITTEXT), K(END), K(EXSTYLE),`
90			`K(FILEFLAGS), K(FILEFLAGSMASK), K(FILEOS), K(FILESUBTYPE),`
91			`K(FILETYPE), K(FILEVERSION), K(FIXED), K(FONT), K(FONTDIR),`
92			`K(GRAYED), KRT(GROUP_CURSOR), KRT(GROUP_ICON), K(GROUPBOX),`
93			`K(HEDIT), K(HELP), K(HTML),`
94			`K(ICON), K(IEDIT), K(IMPURE), K(INACTIVE),`
95			`K(LANGUAGE), K(LISTBOX), K(LOADONCALL), K(LTEXT),`
96			`K(MANIFEST), K(MENU), K(MENUBARBREAK), K(MENUBREAK),`
97			`K(MENUEX), K(MENUITEM), K(MESSAGETABLE), K(MOVEABLE),`
98			`K(NOINVERT), K(NOT),`
99			`K(PLUGPLAY), K(POPUP), K(PRELOAD), K(PRODUCTVERSION),`
100			`K(PURE), K(PUSHBOX), K(PUSHBUTTON),`
101			`K(RADIOBUTTON), K(RCDATA), K(RTEXT),`
102			`K(SCROLLBAR), K(SEPARATOR), K(SHIFT), K(STATE3),`
103			`K(STRINGTABLE), K(STYLE),`
104			`K(TOOLBAR),`
105			`K(USERBUTTON),`
106			`K(VALUE), { "VERSION", VERSIONK }, K(VERSIONINFO),`
107			`K(VIRTKEY), K(VXD),`
108			`{ NULL, 0 },`
109			`};`
110
111			`/* External input stream from resrc */`
112			`extern FILE *cpp_pipe;`
113
114			`/* Lexical scanner helpers. */`
115			`static int rclex_lastch = -1;`
116			`static size_t rclex_tok_max = 0;`
117			`static size_t rclex_tok_pos = 0;`
118			`static char *rclex_tok = NULL;`
119
120			`static int`
121			`rclex_translatekeyword (const char *key)`
122			`{`
123			`if (key && ISUPPER (key[0]))`
124			`{`
125			`const struct rclex_keywords *kw = &keywds[0];`
126
127			`do`
128			`{`
129			`if (! strcmp (kw->name, key))`
130			`return kw->tok;`
131			`++kw;`
132			`}`
133			`while (kw->name != NULL);`
134			`}`
135			`return STRING;`
136			`}`
137
138			`/* Handle a C preprocessor line. */`
139
140			`static void`
141			`cpp_line (void)`
142			`{`
143			`const char *s = rclex_tok;`
144			`int line;`
145			`char send, fn;`
146			`size_t len, mlen;`
147
148			`++s;`
149			`while (ISSPACE (*s))`
150			`++s;`
151
152			`/* Check for #pragma code_page ( DEFAULT \| <nr>). */`
153			`len = strlen (s);`
154			`mlen = strlen ("pragma");`
155			`if (len > mlen && memcmp (s, "pragma", mlen) == 0 && ISSPACE (s[mlen]))`
156			`{`
157			`const char *end;`
158
159			`s += mlen + 1;`
160			`while (ISSPACE (*s))`
161			`++s;`
162			`len = strlen (s);`
163			`mlen = strlen ("code_page");`
164			`if (len <= mlen \|\| memcmp (s, "code_page", mlen) != 0)`
165			`/* FIXME: We ought to issue a warning message about an unrecognised pragma. */`
166			`return;`
167			`s += mlen;`
168			`while (ISSPACE (*s))`
169			`++s;`
170			`if (*s != '(')`
171			`/* FIXME: We ought to issue an error message about a malformed pragma. */`
172			`return;`
173			`++s;`
174			`while (ISSPACE (*s))`
175			`++s;`
176			`if (*s == 0 \|\| (end = strchr (s, ')')) == NULL)`
177			`/* FIXME: We ought to issue an error message about a malformed pragma. */`
178			`return;`
179			`len = (size_t) (end - s);`
180			`fn = xmalloc (len + 1);`
181			`if (len)`
182			`memcpy (fn, s, len);`
183			`fn[len] = 0;`
184			`while (len > 0 && (fn[len - 1] > 0 && fn[len - 1] <= 0x20))`
185			`fn[--len] = 0;`
186			`if (! len \|\| (len == strlen ("DEFAULT") && strcasecmp (fn, "DEFAULT") == 0))`
187			`wind_current_codepage = wind_default_codepage;`
188			`else if (len > 0)`
189			`{`
190			`rc_uint_type ncp;`
191
192			`if (fn[0] == '0' && (fn[1] == 'x' \|\| fn[1] == 'X'))`
193			`ncp = (rc_uint_type) strtol (fn + 2, NULL, 16);`
194			`else`
195			`ncp = (rc_uint_type) strtol (fn, NULL, 10);`
196			`if (ncp == CP_UTF16 \|\| ! unicode_is_valid_codepage (ncp))`
197			`fatal (_("invalid value specified for pragma code_page.\n"));`
198			`wind_current_codepage = ncp;`
199			`}`
200			`free (fn);`
201			`return;`
202			`}`
203
204			`line = strtol (s, &send, 0);`
205			`if (send != '\0' && ! ISSPACE (send))`
206			`return;`
207
208			`/* Subtract 1 because we are about to count the newline. */`
209			`rc_lineno = line - 1;`
210
211			`s = send;`
212			`while (ISSPACE (*s))`
213			`++s;`
214
215			`if (*s != '"')`
216			`return;`
217
218			`++s;`
219			`send = strchr (s, '"');`
220			`if (send == NULL)`
221			`return;`
222
223			`fn = xmalloc (send - s + 1);`
224			`strncpy (fn, s, send - s);`
225			`fn[send - s] = '\0';`
226
227			`free (rc_filename);`
228			`rc_filename = fn;`
229
230			`if (! initial_fn)`
231			`{`
232			`initial_fn = xmalloc (strlen (fn) + 1);`
233			`strcpy (initial_fn, fn);`
234			`}`
235
236			`/* Allow the initial file, regardless of name. Suppress all other`
237			`files if they end in ".h" (this allows included ".rc"). /`
238			`if (strcmp (initial_fn, fn) == 0`
239			`\|\| strcmp (fn + strlen (fn) - 2, ".h") != 0)`
240			`suppress_cpp_data = 0;`
241			`else`
242			`suppress_cpp_data = 1;`
243			`}`
244
245			`/* Allocate a string of a given length. */`
246
247			`static char *`
248			`get_string (int len)`
249			`{`
250			`struct alloc_string *as;`
251
252			`as = xmalloc (sizeof *as);`
253			`as->s = xmalloc (len);`
254
255			`as->next = strings;`
256			`strings = as;`
257
258			`return as->s;`
259			`}`
260
261			`/* Handle a quoted string. The quotes are stripped. A pair of quotes`
262			`in a string are turned into a single quote. Adjacent strings are`
263			`merged separated by whitespace are merged, as in C. */`
264
265			`static char *`
266			`handle_quotes (rc_uint_type *len)`
267			`{`
268			`const char *input = rclex_tok;`
269			`char ret, s;`
270			`const char *t;`
271			`int ch;`
272			`int num_xdigits;`
273
274			`ret = get_string (strlen (input) + 1);`
275
276			`s = ret;`
277			`t = input;`
278			`if (*t == '"')`
279			`++t;`
280			`while (*t != '\0')`
281			`{`
282			`if (*t == '\\')`
283			`{`
284			`++t;`
285			`switch (*t)`
286			`{`
287			`case '\0':`
288			`rcparse_warning ("backslash at end of string");`
289			`break;`
290
291			`case '\"':`
292			`rcparse_warning ("use \"\" to put \" in a string");`
293			`*s++ = '"';`
294			`++t;`
295			`break;`
296
297			`case 'a':`
298			`s++ = ESCAPE_B; / Strange, but true... */`
299			`++t;`
300			`break;`
301
302			`case 'b':`
303			`*s++ = ESCAPE_B;`
304			`++t;`
305			`break;`
306
307			`case 'f':`
308			`*s++ = ESCAPE_F;`
309			`++t;`
310			`break;`
311
312			`case 'n':`
313			`*s++ = ESCAPE_N;`
314			`++t;`
315			`break;`
316
317			`case 'r':`
318			`*s++ = ESCAPE_R;`
319			`++t;`
320			`break;`
321
322			`case 't':`
323			`*s++ = ESCAPE_T;`
324			`++t;`
325			`break;`
326
327			`case 'v':`
328			`*s++ = ESCAPE_V;`
329			`++t;`
330			`break;`
331
332			`case '\\':`
333			`s++ = t++;`
334			`break;`
335
336			`case '0': case '1': case '2': case '3':`
337			`case '4': case '5': case '6': case '7':`
338			`ch = *t - '0';`
339			`++t;`
340			`if (t >= '0' && t <= '7')`
341			`{`
342			`ch = (ch << 3) \| (*t - '0');`
343			`++t;`
344			`if (t >= '0' && t <= '7')`
345			`{`
346			`ch = (ch << 3) \| (*t - '0');`
347			`++t;`
348			`}`
349			`}`
350			`*s++ = ch;`
351			`break;`
352
353			`case 'x': case 'X':`
354			`++t;`
355			`ch = 0;`
356			`/* We only handle single byte chars here. Make sure`
357			`we finish an escape sequence like "/xB0ABC" after`
358			`the first two digits. */`
359			`num_xdigits = 2;`
360			`while (num_xdigits--)`
361			`{`
362			`if (t >= '0' && t <= '9')`
363			`ch = (ch << 4) \| (*t - '0');`
364			`else if (t >= 'a' && t <= 'f')`
365			`ch = (ch << 4) \| (*t - 'a' + 10);`
366			`else if (t >= 'A' && t <= 'F')`
367			`ch = (ch << 4) \| (*t - 'A' + 10);`
368			`else`
369			`break;`
370			`++t;`
371			`}`
372			`*s++ = ch;`
373			`break;`
374
375			`default:`
376			`rcparse_warning ("unrecognized escape sequence");`
377			`*s++ = '\\';`
378			`s++ = t++;`
379			`break;`
380			`}`
381			`}`
382			`else if (*t != '"')`
383			`s++ = t++;`
384			`else if (t[1] == '\0')`
385			`break;`
386			`else if (t[1] == '"')`
387			`{`
388			`*s++ = '"';`
389			`t += 2;`
390			`}`
391			`else`
392			`{`
393			`rcparse_warning ("unexpected character after '\"'");`
394			`++t;`
395			`assert (ISSPACE (*t));`
396			`while (ISSPACE (*t))`
397			`{`
398			`if ((*t) == '\n')`
399			`++rc_lineno;`
400			`++t;`
401			`}`
402			`if (*t == '\0')`
403			`break;`
404			`assert (*t == '"');`
405			`++t;`
406			`}`
407			`}`
408
409			`*s = '\0';`
410
411			`*len = s - ret;`
412
413			`return ret;`
414			`}`
415
416			`/* Allocate a unicode string of a given length. */`
417
418			`static unichar *`
419			`get_unistring (int len)`
420			`{`
421			`return (unichar ) get_string (len sizeof (unichar));`
422			`}`
423
424			`/* Handle a quoted unicode string. The quotes are stripped. A pair of quotes`
425			`in a string are turned into a single quote. Adjacent strings are`
426			`merged separated by whitespace are merged, as in C. */`
427
428			`static unichar *`
429			`handle_uniquotes (rc_uint_type *len)`
430			`{`
431			`const char *input = rclex_tok;`
432			`unichar ret, s;`
433			`const char *t;`
434			`int ch;`
435			`int num_xdigits;`
436
437			`ret = get_unistring (strlen (input) + 1);`
438
439			`s = ret;`
440			`t = input;`
441			`if ((t == 'L' \|\| t == 'l') && t[1] == '"')`
442			`t += 2;`
443			`else if (*t == '"')`
444			`++t;`
445			`while (*t != '\0')`
446			`{`
447			`if (*t == '\\')`
448			`{`
449			`++t;`
450			`switch (*t)`
451			`{`
452			`case '\0':`
453			`rcparse_warning ("backslash at end of string");`
454			`break;`
455
456			`case '\"':`
457			`rcparse_warning ("use \"\" to put \" in a string");`
458			`break;`
459
460			`case 'a':`
461			`s++ = ESCAPE_B; / Strange, but true... */`
462			`++t;`
463			`break;`
464
465			`case 'b':`
466			`*s++ = ESCAPE_B;`
467			`++t;`
468			`break;`
469
470			`case 'f':`
471			`*s++ = ESCAPE_F;`
472			`++t;`
473			`break;`
474
475			`case 'n':`
476			`*s++ = ESCAPE_N;`
477			`++t;`
478			`break;`
479
480			`case 'r':`
481			`*s++ = ESCAPE_R;`
482			`++t;`
483			`break;`
484
485			`case 't':`
486			`*s++ = ESCAPE_T;`
487			`++t;`
488			`break;`
489
490			`case 'v':`
491			`*s++ = ESCAPE_V;`
492			`++t;`
493			`break;`
494
495			`case '\\':`
496			`s++ = (unichar) t++;`
497			`break;`
498
499			`case '0': case '1': case '2': case '3':`
500			`case '4': case '5': case '6': case '7':`
501			`ch = *t - '0';`
502			`++t;`
503			`if (t >= '0' && t <= '7')`
504			`{`
505			`ch = (ch << 3) \| (*t - '0');`
506			`++t;`
507			`if (t >= '0' && t <= '7')`
508			`{`
509			`ch = (ch << 3) \| (*t - '0');`
510			`++t;`
511			`}`
512			`}`
513			`*s++ = (unichar) ch;`
514			`break;`
515
516			`case 'x': case 'X':`
517			`++t;`
518			`ch = 0;`
519			`/* We only handle two byte chars here. Make sure`
520			`we finish an escape sequence like "/xB0ABC" after`
521			`the first two digits. */`
522			`num_xdigits = 4;`
523			`while (num_xdigits--)`
524			`{`
525			`if (t >= '0' && t <= '9')`
526			`ch = (ch << 4) \| (*t - '0');`
527			`else if (t >= 'a' && t <= 'f')`
528			`ch = (ch << 4) \| (*t - 'a' + 10);`
529			`else if (t >= 'A' && t <= 'F')`
530			`ch = (ch << 4) \| (*t - 'A' + 10);`
531			`else`
532			`break;`
533			`++t;`
534			`}`
535			`*s++ = (unichar) ch;`
536			`break;`
537
538			`default:`
539			`rcparse_warning ("unrecognized escape sequence");`
540			`*s++ = '\\';`
541			`s++ = (unichar) t++;`
542			`break;`
543			`}`
544			`}`
545			`else if (*t != '"')`
546			`s++ = (unichar) t++;`
547			`else if (t[1] == '\0')`
548			`break;`
549			`else if (t[1] == '"')`
550			`{`
551			`*s++ = '"';`
552			`t += 2;`
553			`}`
554			`else`
555			`{`
556			`++t;`
557			`assert (ISSPACE (*t));`
558			`while (ISSPACE (*t))`
559			`{`
560			`if ((*t) == '\n')`
561			`++rc_lineno;`
562			`++t;`
563			`}`
564			`if (*t == '\0')`
565			`break;`
566			`assert (*t == '"');`
567			`++t;`
568			`}`
569			`}`
570
571			`*s = '\0';`
572
573			`*len = s - ret;`
574
575			`return ret;`
576			`}`
577
578			`/* Discard all the strings we have allocated. The parser calls this`
579			`when it no longer needs them. */`
580
581			`void`
582			`rcparse_discard_strings (void)`
583			`{`
584			`struct alloc_string *as;`
585
586			`as = strings;`
587			`while (as != NULL)`
588			`{`
589			`struct alloc_string *n;`
590
591			`free (as->s);`
592			`n = as->next;`
593			`free (as);`
594			`as = n;`
595			`}`
596
597			`strings = NULL;`
598			`}`
599
600			`/* Enter rcdata mode. */`
601			`void`
602			`rcparse_rcdata (void)`
603			`{`
604			`rcdata_mode = 1;`
605			`}`
606
607			`/* Go back to normal mode from rcdata mode. */`
608			`void`
609			`rcparse_normal (void)`
610			`{`
611			`rcdata_mode = 0;`
612			`}`
613
614			`static void`
615			`rclex_tok_add_char (int ch)`
616			`{`
617			`if (! rclex_tok \|\| rclex_tok_max <= rclex_tok_pos)`
618			`{`
619			`char *h = xmalloc (rclex_tok_max + 9);`
620
621			`if (! h)`
622			`abort ();`
623			`if (rclex_tok)`
624			`{`
625			`memcpy (h, rclex_tok, rclex_tok_pos + 1);`
626			`free (rclex_tok);`
627			`}`
628			`else`
629			`rclex_tok_pos = 0;`
630			`rclex_tok_max += 8;`
631			`rclex_tok = h;`
632			`}`
633			`if (ch != -1)`
634			`rclex_tok[rclex_tok_pos++] = (char) ch;`
635			`rclex_tok[rclex_tok_pos] = 0;`
636			`}`
637
638			`static int`
639			`rclex_readch (void)`
640			`{`
641			`int r = -1;`
642
643			`if ((r = rclex_lastch) != -1)`
644			`rclex_lastch = -1;`
645			`else`
646			`{`
647			`char ch;`
648			`do`
649			`{`
650			`if (! cpp_pipe \|\| feof (cpp_pipe)`
651			`\|\| fread (&ch, 1, 1,cpp_pipe) != 1)`
652			`break;`
653			`r = ((int) ch) & 0xff;`
654			`}`
655			`while (r == 0 \|\| r == '\r');`
656			`}`
657			`rclex_tok_add_char (r);`
658			`return r;`
659			`}`
660
661			`static int`
662			`rclex_peekch (void)`
663			`{`
664			`int r;`
665
666			`if ((r = rclex_lastch) == -1)`
667			`{`
668			`if ((r = rclex_readch ()) != -1)`
669			`{`
670			`rclex_lastch = r;`
671			`if (rclex_tok_pos > 0)`
672			`rclex_tok[--rclex_tok_pos] = 0;`
673			`}`
674			`}`
675			`return r;`
676			`}`
677
678			`static void`
679			`rclex_string (void)`
680			`{`
681			`int c;`
682
683			`while ((c = rclex_peekch ()) != -1)`
684			`{`
685			`if (c == '\n')`
686			`break;`
687			`if (c == '\\')`
688			`{`
689			`rclex_readch ();`
690			`if ((c = rclex_peekch ()) == -1 \|\| c == '\n')`
691			`break;`
692			`rclex_readch ();`
693			`}`
694			`else if (rclex_readch () == '"')`
695			`{`
696			`if (rclex_peekch () == '"')`
697			`rclex_readch ();`
698			`else`
699			`break;`
700			`}`
701			`}`
702			`}`
703
704			`static rc_uint_type`
705			`read_digit (int ch)`
706			`{`
707			`rc_uint_type base = 10;`
708			`rc_uint_type ret, val;`
709			`int warned = 0;`
710
711			`ret = 0;`
712			`if (ch == '0')`
713			`{`
714			`base = 8;`
715			`switch (rclex_peekch ())`
716			`{`
717			`case 'o': case 'O':`
718			`rclex_readch ();`
719			`base = 8;`
720			`break;`
721
722			`case 'x': case 'X':`
723			`rclex_readch ();`
724			`base = 16;`
725			`break;`
726			`}`
727			`}`
728			`else`
729			`ret = (rc_uint_type) (ch - '0');`
730			`while ((ch = rclex_peekch ()) != -1)`
731			`{`
732			`if (ISDIGIT (ch))`
733			`val = (rc_uint_type) (ch - '0');`
734			`else if (ch >= 'a' && ch <= 'f')`
735			`val = (rc_uint_type) ((ch - 'a') + 10);`
736			`else if (ch >= 'A' && ch <= 'F')`
737			`val = (rc_uint_type) ((ch - 'A') + 10);`
738			`else`
739			`break;`
740			`rclex_readch ();`
741			`if (! warned && val >= base)`
742			`{`
743			`warned = 1;`
744			`rcparse_warning ("digit exceeds base");`
745			`}`
746			`ret *= base;`
747			`ret += val;`
748			`}`
749			`return ret;`
750			`}`
751
752			`/* yyparser entry method. */`
753
754			`int`
755			`yylex (void)`
756			`{`
757			`char *s;`
758			`unichar *us;`
759			`rc_uint_type length;`
760			`int ch;`
761
762			`/* Make sure that rclex_tok is initialized. */`
763			`if (! rclex_tok)`
764			`rclex_tok_add_char (-1);`
765
766			`do`
767			`{`
768			`do`
769			`{`
770			`/* Clear token. */`
771			`rclex_tok_pos = 0;`
772			`rclex_tok[0] = 0;`
773
774			`if ((ch = rclex_readch ()) == -1)`
775			`return -1;`
776			`if (ch == '\n')`
777			`++rc_lineno;`
778			`}`
779			`while (ch <= 0x20);`
780
781			`switch (ch)`
782			`{`
783			`case '#':`
784			`while ((ch = rclex_peekch ()) != -1 && ch != '\n')`
785			`rclex_readch ();`
786			`cpp_line ();`
787			`ch = IGNORED_TOKEN;`
788			`break;`
789
790			`case '{':`
791			`ch = IGNORE_CPP (BEG);`
792			`break;`
793
794			`case '}':`
795			`ch = IGNORE_CPP (END);`
796			`break;`
797
798			`case '0': case '1': case '2': case '3': case '4':`
799			`case '5': case '6': case '7': case '8': case '9':`
800			`yylval.i.val = read_digit (ch);`
801			`yylval.i.dword = 0;`
802			`switch (rclex_peekch ())`
803			`{`
804			`case 'l': case 'L':`
805			`rclex_readch ();`
806			`yylval.i.dword = 1;`
807			`break;`
808			`}`
809			`ch = IGNORE_CPP (NUMBER);`
810			`break;`
811			`case '"':`
812			`rclex_string ();`
813			`ch = IGNORE_CPP ((! rcdata_mode ? QUOTEDSTRING : SIZEDSTRING));`
814			`if (ch == IGNORED_TOKEN)`
815			`break;`
816			`s = handle_quotes (&length);`
817			`if (! rcdata_mode)`
818			`yylval.s = s;`
819			`else`
820			`{`
821			`yylval.ss.length = length;`
822			`yylval.ss.s = s;`
823			`}`
824			`break;`
825			`case 'L': case 'l':`
826			`if (rclex_peekch () == '"')`
827			`{`
828			`rclex_readch ();`
829			`rclex_string ();`
830			`ch = IGNORE_CPP ((! rcdata_mode ? QUOTEDUNISTRING : SIZEDUNISTRING));`
831			`if (ch == IGNORED_TOKEN)`
832			`break;`
833			`us = handle_uniquotes (&length);`
834			`if (! rcdata_mode)`
835			`yylval.uni = us;`
836			`else`
837			`{`
838			`yylval.suni.length = length;`
839			`yylval.suni.s = us;`
840			`}`
841			`break;`
842			`}`
843			`/* Fall through. */`
844			`default:`
845			`if (ISIDST (ch) \|\| ch=='$')`
846			`{`
847			`while ((ch = rclex_peekch ()) != -1`
848			`&& (ISIDNUM (ch) \|\| ch == '$' \|\| ch == '.'`
849			`\|\| ch == ':' \|\| ch == '\\' \|\| ch == '/'`
850			`\|\| ch == '_' \|\| ch == '-')`
851			`)`
852			`rclex_readch ();`
853			`ch = IGNORE_CPP (rclex_translatekeyword (rclex_tok));`
854			`if (ch == STRING)`
855			`{`
856			`s = get_string (strlen (rclex_tok) + 1);`
857			`strcpy (s, rclex_tok);`
858			`yylval.s = s;`
859			`}`
860			`else if (ch == BLOCK)`
861			`{`
862			`const char *hs = NULL;`
863
864			`switch (yylex ())`
865			`{`
866			`case STRING:`
867			`case QUOTEDSTRING:`
868			`hs = yylval.s;`
869			`break;`
870			`case SIZEDSTRING:`
871			`hs = yylval.s = yylval.ss.s;`
872			`break;`
873			`}`
874			`if (! hs)`
875			`{`
876			`rcparse_warning ("BLOCK expects a string as argument.");`
877			`ch = IGNORED_TOKEN;`
878			`}`
879			`else if (! strcmp (hs, "StringFileInfo"))`
880			`ch = BLOCKSTRINGFILEINFO;`
881			`else if (! strcmp (hs, "VarFileInfo"))`
882			`ch = BLOCKVARFILEINFO;`
883			`}`
884			`break;`
885			`}`
886			`ch = IGNORE_CPP (ch);`
887			`break;`
888			`}`
889			`}`
890			`while (ch == IGNORED_TOKEN);`
891
892			`return ch;`
893			`}`