/* Lisp parsing and input streams.
- Copyright (C) 1985, 1986, 1987, 1988, 1989,
- 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1985, 86, 87, 88, 89, 93, 94, 95, 1997
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#include <config.h>
#ifndef standalone
#include "buffer.h"
+#include "charset.h"
#include <paths.h>
#include "commands.h"
#include "keyboard.h"
#include <sys/inode.h>
#endif /* lint */
+#ifdef MSDOS
+#if __DJGPP__ < 2
+#include <unistd.h> /* to get X_OK */
+#endif
+#include "msdos.h"
+#endif
+
#ifndef X_OK
#define X_OK 01
#endif
#include <stdlib.h>
#endif
-#ifdef MSDOS
-#include "msdos.h"
-/* These are redefined (correctly, but differently) in values.h. */
-#undef INTBITS
-#undef LONGBITS
-#undef SHORTBITS
-#endif
-
#include <math.h>
#endif /* LISP_FLOAT_TYPE */
+#ifdef HAVE_SETLOCALE
+#include <locale.h>
+#endif /* HAVE_SETLOCALE */
+
#ifndef O_RDONLY
#define O_RDONLY 0
#endif
Lisp_Object Qread_char, Qget_file_char, Qstandard_input, Qcurrent_load_list;
Lisp_Object Qvariable_documentation, Vvalues, Vstandard_input, Vafter_load_alist;
Lisp_Object Qascii_character, Qload, Qload_file_name;
+Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction;
+Lisp_Object Qinhibit_file_name_operation;
extern Lisp_Object Qevent_symbol_element_mask;
+extern Lisp_Object Qfile_exists_p;
/* non-zero if inside `load' */
int load_in_progress;
+/* Directory in which the sources were found. */
+Lisp_Object Vsource_directory;
+
/* Search path for files to be loaded. */
Lisp_Object Vload_path;
/* This is used to build the load history. */
Lisp_Object Vcurrent_load_list;
+/* List of files that were preloaded. */
+Lisp_Object Vpreloaded_file_list;
+
/* Name of file actually being read by `load'. */
Lisp_Object Vload_file_name;
+/* Function to use for reading, in `load' and friends. */
+Lisp_Object Vload_read_function;
+
+/* The association list of objects read with the #n=object form.
+ Each member of the list has the form (n . object), and is used to
+ look up the object for the corresponding #n# construct.
+ It must be set to nil before all top-level calls to read0. */
+Lisp_Object read_objects;
+
+/* Nonzero means load should forcibly load all dynamic doc strings. */
+static int load_force_doc_strings;
+
+/* Function to use for loading an Emacs lisp source file (not
+ compiled) instead of readevalloop. */
+Lisp_Object Vload_source_file_function;
+
/* List of descriptors now open for Fload. */
static Lisp_Object load_descriptor_list;
-/* File for get_file_char to read from. Use by load */
+/* File for get_file_char to read from. Use by load. */
static FILE *instream;
/* When nonzero, read conses in pure space */
static int read_pure;
-/* For use within read-from-string (this reader is non-reentrant!!) */
+/* For use within read-from-string (this reader is non-reentrant!!) */
static int read_from_string_index;
static int read_from_string_limit;
+
+/* This contains the last string skipped with #@. */
+static char *saved_doc_string;
+/* Length of buffer allocated in saved_doc_string. */
+static int saved_doc_string_size;
+/* Length of actual data in saved_doc_string. */
+static int saved_doc_string_length;
+/* This is the file position that string came from. */
+static int saved_doc_string_position;
+
+/* Nonzero means inside a new-style backquote
+ with no surrounding parentheses.
+ Fread initializes this to zero, so we need not specbind it
+ or worry about what happens to it when there is an error. */
+static int new_backquote_flag;
\f
/* Handle unreading and rereading of characters.
Write READCHAR to read a character,
- UNREAD(c) to unread c to be read again. */
+ UNREAD(c) to unread c to be read again.
+
+ These macros actually read/unread a byte code, multibyte characters
+ are not handled here. The caller should manage them if necessary.
+ */
#define READCHAR readchar (readcharfun)
#define UNREAD(c) unreadchar (readcharfun, c)
else if (BUFFERP (readcharfun))
{
if (XBUFFER (readcharfun) == current_buffer)
- SET_PT (point - 1);
+ SET_PT (PT - 1);
else
SET_BUF_PT (XBUFFER (readcharfun), BUF_PT (XBUFFER (readcharfun)) - 1);
}
get isn't an ASCII character with modifiers. If it's zero but
ASCII_REQUIRED is non-zero, we just re-read until we get an ASCII
character. */
+
Lisp_Object
read_filtered_event (no_switch_frame, ascii_required, error_nonascii)
int no_switch_frame, ascii_required, error_nonascii;
goto retry;
/* switch-frame events are put off until after the next ASCII
- character. This is better than signalling an error just because
+ character. This is better than signaling an error just because
the last characters were typed to a separate minibuffer frame,
for example. Eventually, some code which can deal with
switch-frame events will read it and process it. */
DEFUN ("read-char-exclusive", Fread_char_exclusive, Sread_char_exclusive, 0, 0, 0,
"Read a character from the command input (keyboard or macro).\n\
-It is returned as a number. Non character events are ignored.")
+It is returned as a number. Non-character events are ignored.")
()
{
return read_filtered_event (1, 1, 0);
If optional fourth arg NOSUFFIX is non-nil, don't try adding\n\
suffixes `.elc' or `.el' to the specified name FILE.\n\
Return t if file exists.")
- (str, noerror, nomessage, nosuffix)
- Lisp_Object str, noerror, nomessage, nosuffix;
+ (file, noerror, nomessage, nosuffix)
+ Lisp_Object file, noerror, nomessage, nosuffix;
{
register FILE *stream;
register int fd = -1;
Lisp_Object temp;
struct gcpro gcpro1;
Lisp_Object found;
- /* 1 means inhibit the message at the beginning. */
- int nomessage1 = 0;
+ /* 1 means we printed the ".el is newer" message. */
+ int newer = 0;
+ /* 1 means we are loading a compiled file. */
+ int compiled = 0;
Lisp_Object handler;
#ifdef DOS_NT
char *dosmode = "rt";
#endif /* DOS_NT */
- CHECK_STRING (str, 0);
+ CHECK_STRING (file, 0);
/* If file name is magic, call the handler. */
- handler = Ffind_file_name_handler (str, Qload);
+ handler = Ffind_file_name_handler (file, Qload);
if (!NILP (handler))
- return call5 (handler, Qload, str, noerror, nomessage, nosuffix);
+ return call5 (handler, Qload, file, noerror, nomessage, nosuffix);
/* Do this after the handler to avoid
the need to gcpro noerror, nomessage and nosuffix.
(Below here, we care only whether they are nil or not.) */
- str = Fsubstitute_in_file_name (str);
+ file = Fsubstitute_in_file_name (file);
/* Avoid weird lossage with null string as arg,
since it would try to load a directory as a Lisp file */
- if (XSTRING (str)->size > 0)
+ if (XSTRING (file)->size > 0)
{
- GCPRO1 (str);
- fd = openp (Vload_path, str, !NILP (nosuffix) ? "" : ".elc:.el:",
+ GCPRO1 (file);
+ fd = openp (Vload_path, file, !NILP (nosuffix) ? "" : ".elc:.el:",
&found, 0);
UNGCPRO;
}
if (NILP (noerror))
while (1)
Fsignal (Qfile_error, Fcons (build_string ("Cannot open load file"),
- Fcons (str, Qnil)));
+ Fcons (file, Qnil)));
else
return Qnil;
}
+ /* If FD is 0, that means openp found a remote file. */
+ if (fd == 0)
+ {
+ handler = Ffind_file_name_handler (found, Qload);
+ return call5 (handler, Qload, found, noerror, nomessage, Qt);
+ }
+
if (!bcmp (&(XSTRING (found)->data[XSTRING (found)->size - 4]),
".elc", 4))
{
struct stat s1, s2;
int result;
+ compiled = 1;
+
#ifdef DOS_NT
dosmode = "rb";
#endif /* DOS_NT */
result = stat ((char *)XSTRING (found)->data, &s2);
if (result >= 0 && (unsigned) s1.st_mtime < (unsigned) s2.st_mtime)
{
- message ("Source file `%s' newer than byte-compiled file",
- XSTRING (found)->data);
- /* Don't immediately overwrite this message. */
- if (!noninteractive)
- nomessage1 = 1;
+ /* Make the progress messages mention that source is newer. */
+ newer = 1;
+
+ /* If we won't print another message, mention this anyway. */
+ if (! NILP (nomessage))
+ message ("Source file `%s' newer than byte-compiled file",
+ XSTRING (found)->data);
}
XSTRING (found)->data[XSTRING (found)->size - 1] = 'c';
}
+ else
+ {
+ /* We are loading a source file (*.el). */
+ if (!NILP (Vload_source_file_function))
+ {
+ close (fd);
+ return call4 (Vload_source_file_function, found, file,
+ NILP (noerror) ? Qnil : Qt,
+ NILP (nomessage) ? Qnil : Qt);
+ }
+ }
#ifdef DOS_NT
close (fd);
if (stream == 0)
{
close (fd);
- error ("Failure to create stdio stream for %s", XSTRING (str)->data);
+ error ("Failure to create stdio stream for %s", XSTRING (file)->data);
}
- if (NILP (nomessage) && !nomessage1)
- message ("Loading %s...", XSTRING (str)->data);
+ if (! NILP (Vpurify_flag))
+ Vpreloaded_file_list = Fcons (file, Vpreloaded_file_list);
- GCPRO1 (str);
+ if (NILP (nomessage))
+ {
+ if (newer)
+ message ("Loading %s (compiled; note, source file is newer)...",
+ XSTRING (file)->data);
+ else if (compiled)
+ message ("Loading %s (compiled)...", XSTRING (file)->data);
+ else
+ message ("Loading %s...", XSTRING (file)->data);
+ }
+
+ GCPRO1 (file);
lispstream = Fcons (Qnil, Qnil);
XSETFASTINT (XCONS (lispstream)->car, (EMACS_UINT)stream >> 16);
XSETFASTINT (XCONS (lispstream)->cdr, (EMACS_UINT)stream & 0xffff);
record_unwind_protect (load_unwind, lispstream);
record_unwind_protect (load_descriptor_unwind, load_descriptor_list);
specbind (Qload_file_name, found);
+ specbind (Qinhibit_file_name_operation, Qnil);
load_descriptor_list
= Fcons (make_number (fileno (stream)), load_descriptor_list);
load_in_progress++;
- readevalloop (Qget_file_char, stream, str, Feval, 0);
+ readevalloop (Qget_file_char, stream, file, Feval, 0);
unbind_to (count, Qnil);
/* Run any load-hooks for this file. */
- temp = Fassoc (str, Vafter_load_alist);
+ temp = Fassoc (file, Vafter_load_alist);
if (!NILP (temp))
Fprogn (Fcdr (temp));
UNGCPRO;
+ if (saved_doc_string)
+ free (saved_doc_string);
+ saved_doc_string = 0;
+ saved_doc_string_size = 0;
+
if (!noninteractive && NILP (nomessage))
- message ("Loading %s...done", XSTRING (str)->data);
+ {
+ if (newer)
+ message ("Loading %s (compiled; note, source file is newer)...done",
+ XSTRING (file)->data);
+ else if (compiled)
+ message ("Loading %s (compiled)...done", XSTRING (file)->data);
+ else
+ message ("Loading %s...done", XSTRING (file)->data);
+ }
return Qt;
}
void
close_load_descs ()
{
+#ifndef WINDOWSNT
Lisp_Object tail;
for (tail = load_descriptor_list; !NILP (tail); tail = XCONS (tail)->cdr)
close (XFASTINT (XCONS (tail)->car));
+#endif
}
\f
static int
If STOREPTR is nonzero, it points to a slot where the name of
the file actually found should be stored as a Lisp string.
- Nil is stored there on failure. */
+ nil is stored there on failure.
+
+ If the file we find is remote, return 0
+ but store the found remote file name in *STOREPTR.
+ We do not check for remote files if EXEC_ONLY is nonzero. */
int
openp (path, str, suffix, storeptr, exec_only)
register char *fn = buf;
int absolute = 0;
int want_size;
- register Lisp_Object filename;
+ Lisp_Object filename;
struct stat st;
struct gcpro gcpro1;
{
char *esuffix = (char *) index (nsuffix, ':');
int lsuffix = esuffix ? esuffix - nsuffix : strlen (nsuffix);
+ Lisp_Object handler;
+
+ /* Concatenate path element/specified name with the suffix.
+ If the directory starts with /:, remove that. */
+ if (XSTRING (filename)->size > 2
+ && XSTRING (filename)->data[0] == '/'
+ && XSTRING (filename)->data[1] == ':')
+ {
+ strncpy (fn, XSTRING (filename)->data + 2,
+ XSTRING (filename)->size - 2);
+ fn[XSTRING (filename)->size - 2] = 0;
+ }
+ else
+ {
+ strncpy (fn, XSTRING (filename)->data, XSTRING (filename)->size);
+ fn[XSTRING (filename)->size] = 0;
+ }
- /* Concatenate path element/specified name with the suffix. */
- strncpy (fn, XSTRING (filename)->data, XSTRING (filename)->size);
- fn[XSTRING (filename)->size] = 0;
if (lsuffix != 0) /* Bug happens on CCI if lsuffix is 0. */
strncat (fn, nsuffix, lsuffix);
- /* Ignore file if it's a directory. */
- if (stat (fn, &st) >= 0
- && (st.st_mode & S_IFMT) != S_IFDIR)
+ /* Check that the file exists and is not a directory. */
+ if (absolute)
+ handler = Qnil;
+ else
+ handler = Ffind_file_name_handler (filename, Qfile_exists_p);
+ if (! NILP (handler) && ! exec_only)
{
- /* Check that we can access or open it. */
- if (exec_only)
- fd = (access (fn, X_OK) == 0) ? 1 : -1;
- else
- fd = open (fn, O_RDONLY, 0);
+ Lisp_Object string;
+ int exists;
- if (fd >= 0)
+ string = build_string (fn);
+ exists = ! NILP (exec_only ? Ffile_executable_p (string)
+ : Ffile_readable_p (string));
+ if (exists
+ && ! NILP (Ffile_directory_p (build_string (fn))))
+ exists = 0;
+
+ if (exists)
{
/* We succeeded; return this descriptor and filename. */
if (storeptr)
*storeptr = build_string (fn);
UNGCPRO;
- return fd;
+ return 0;
+ }
+ }
+ else
+ {
+ int exists = (stat (fn, &st) >= 0
+ && (st.st_mode & S_IFMT) != S_IFDIR);
+ if (exists)
+ {
+ /* Check that we can access or open it. */
+ if (exec_only)
+ fd = (access (fn, X_OK) == 0) ? 1 : -1;
+ else
+ fd = open (fn, O_RDONLY, 0);
+
+ if (fd >= 0)
+ {
+ /* We succeeded; return this descriptor and filename. */
+ if (storeptr)
+ *storeptr = build_string (fn);
+ UNGCPRO;
+ return fd;
+ }
}
}
else
{
UNREAD (c);
- val = read0 (readcharfun);
+ read_objects = Qnil;
+ if (NILP (Vload_read_function))
+ val = read0 (readcharfun);
+ else
+ val = call1 (Vload_read_function, readcharfun);
}
val = (*evalfun) (val);
PRINTFLAG controls printing of output:\n\
nil means discard it; anything else is stream for print.\n\
\n\
-If there is no error, point does not move. If there is an error,\n\
-point remains at the end of the last character read from the buffer.")
- (bufname, printflag)
- Lisp_Object bufname, printflag;
+This function preserves the position of point.")
+ (buffer, printflag)
+ Lisp_Object buffer, printflag;
{
int count = specpdl_ptr - specpdl;
Lisp_Object tem, buf;
- if (NILP (bufname))
+ if (NILP (buffer))
buf = Fcurrent_buffer ();
else
- buf = Fget_buffer (bufname);
+ buf = Fget_buffer (buffer);
if (NILP (buf))
error ("No such buffer.");
\n\
If there is no error, point does not move. If there is an error,\n\
point remains at the end of the last character read from the buffer.")
- (b, e, printflag)
- Lisp_Object b, e, printflag;
+ (start, end, printflag)
+ Lisp_Object start, end, printflag;
{
int count = specpdl_ptr - specpdl;
Lisp_Object tem, cbuf;
record_unwind_protect (save_excursion_restore, save_excursion_save ());
record_unwind_protect (save_restriction_restore, save_restriction_save ());
- /* This both uses b and checks its type. */
- Fgoto_char (b);
- Fnarrow_to_region (make_number (BEGV), e);
+ /* This both uses start and checks its type. */
+ Fgoto_char (start);
+ Fnarrow_to_region (make_number (BEGV), end);
readevalloop (cbuf, 0, XBUFFER (cbuf)->filename, Feval, !NILP (printflag));
return unbind_to (count, Qnil);
call it with a char as argument to push a char back)\n\
a string (takes text from string, starting at the beginning)\n\
t (read text line using minibuffer and use it).")
- (readcharfun)
- Lisp_Object readcharfun;
+ (stream)
+ Lisp_Object stream;
{
extern Lisp_Object Fread_minibuffer ();
- if (NILP (readcharfun))
- readcharfun = Vstandard_input;
- if (EQ (readcharfun, Qt))
- readcharfun = Qread_char;
+ if (NILP (stream))
+ stream = Vstandard_input;
+ if (EQ (stream, Qt))
+ stream = Qread_char;
+
+ new_backquote_flag = 0;
+ read_objects = Qnil;
#ifndef standalone
- if (EQ (readcharfun, Qread_char))
+ if (EQ (stream, Qread_char))
return Fread_minibuffer (build_string ("Lisp expression: "), Qnil);
#endif
- if (STRINGP (readcharfun))
- return Fcar (Fread_from_string (readcharfun, Qnil, Qnil));
+ if (STRINGP (stream))
+ return Fcar (Fread_from_string (stream, Qnil, Qnil));
- return read0 (readcharfun);
+ return read0 (stream);
}
DEFUN ("read-from-string", Fread_from_string, Sread_from_string, 1, 3, 0,
read_from_string_index = startval;
read_from_string_limit = endval;
+ new_backquote_flag = 0;
+ read_objects = Qnil;
+
tem = read0 (string);
return Fcons (tem, make_number (read_from_string_index));
}
register Lisp_Object val;
char c;
- val = read1 (readcharfun, &c);
+ val = read1 (readcharfun, &c, 0);
if (c)
Fsignal (Qinvalid_read_syntax, Fcons (make_string (&c, 1), Qnil));
static int read_buffer_size;
static char *read_buffer;
+/* Read multibyte form and return it as a character. C is a first
+ byte of multibyte form, and rest of them are read from
+ READCHARFUN. */
+static int
+read_multibyte (c, readcharfun)
+ register int c;
+ Lisp_Object readcharfun;
+{
+ /* We need the actual character code of this multibyte
+ characters. */
+ unsigned char str[MAX_LENGTH_OF_MULTI_BYTE_FORM];
+ int len = 0;
+
+ str[len++] = c;
+ while ((c = READCHAR) >= 0xA0
+ && len < MAX_LENGTH_OF_MULTI_BYTE_FORM)
+ str[len++] = c;
+ UNREAD (c);
+ return STRING_CHAR (str, len);
+}
+
static int
read_escape (readcharfun)
Lisp_Object readcharfun;
register int c = READCHAR;
switch (c)
{
+ case -1:
+ error ("End of file");
+
case 'a':
return '\007';
case 'b':
c = READCHAR;
if (c == '\\')
c = read_escape (readcharfun);
- if ((c & 0xff) >= 'a' && (c & 0xff) <= 'z')
- return c - ('a' - 'A');
return c | shift_modifier;
case 'H':
}
default:
+ if (BASE_LEADING_CODE_P (c))
+ c = read_multibyte (c, readcharfun);
return c;
}
}
/* If the next token is ')' or ']' or '.', we store that character
in *PCH and the return value is not interesting. Else, we store
- zero in *PCH and we read and return one lisp object. */
+ zero in *PCH and we read and return one lisp object.
+
+ FIRST_IN_LIST is nonzero if this is the first element of a list. */
+
static Lisp_Object
-read1 (readcharfun, pch)
+read1 (readcharfun, pch, first_in_list)
register Lisp_Object readcharfun;
char *pch;
+ int first_in_list;
{
register int c;
+ int uninterned_symbol = 0;
+
*pch = 0;
retry:
case '#':
c = READCHAR;
+ if (c == '^')
+ {
+ c = READCHAR;
+ if (c == '[')
+ {
+ Lisp_Object tmp;
+ tmp = read_vector (readcharfun);
+ if (XVECTOR (tmp)->size < CHAR_TABLE_STANDARD_SLOTS
+ || XVECTOR (tmp)->size > CHAR_TABLE_STANDARD_SLOTS + 10)
+ error ("Invalid size char-table");
+ XSETCHAR_TABLE (tmp, XCHAR_TABLE (tmp));
+ XCHAR_TABLE (tmp)->top = Qt;
+ return tmp;
+ }
+ else if (c == '^')
+ {
+ c = READCHAR;
+ if (c == '[')
+ {
+ Lisp_Object tmp;
+ tmp = read_vector (readcharfun);
+ if (XVECTOR (tmp)->size != SUB_CHAR_TABLE_STANDARD_SLOTS)
+ error ("Invalid size char-table");
+ XSETCHAR_TABLE (tmp, XCHAR_TABLE (tmp));
+ XCHAR_TABLE (tmp)->top = Qnil;
+ return tmp;
+ }
+ Fsignal (Qinvalid_read_syntax,
+ Fcons (make_string ("#^^", 3), Qnil));
+ }
+ Fsignal (Qinvalid_read_syntax, Fcons (make_string ("#^", 2), Qnil));
+ }
+ if (c == '&')
+ {
+ Lisp_Object length;
+ length = read1 (readcharfun, pch, first_in_list);
+ c = READCHAR;
+ if (c == '"')
+ {
+ Lisp_Object tmp, val;
+ int size_in_chars = ((XFASTINT (length) + BITS_PER_CHAR - 1)
+ / BITS_PER_CHAR);
+
+ UNREAD (c);
+ tmp = read1 (readcharfun, pch, first_in_list);
+ if (size_in_chars != XSTRING (tmp)->size
+ /* We used to print 1 char too many
+ when the number of bits was a multiple of 8.
+ Accept such input in case it came from an old version. */
+ && ! (XFASTINT (length)
+ == (XSTRING (tmp)->size - 1) * BITS_PER_CHAR))
+ Fsignal (Qinvalid_read_syntax,
+ Fcons (make_string ("#&...", 5), Qnil));
+
+ val = Fmake_bool_vector (length, Qnil);
+ bcopy (XSTRING (tmp)->data, XBOOL_VECTOR (val)->data,
+ size_in_chars);
+ return val;
+ }
+ Fsignal (Qinvalid_read_syntax, Fcons (make_string ("#&...", 5),
+ Qnil));
+ }
if (c == '[')
{
/* Accept compiled functions at read-time so that we don't have to
char ch;
/* Read the string itself. */
- tmp = read1 (readcharfun, &ch);
+ tmp = read1 (readcharfun, &ch, 0);
if (ch != 0 || !STRINGP (tmp))
Fsignal (Qinvalid_read_syntax, Fcons (make_string ("#", 1), Qnil));
GCPRO1 (tmp);
{
Lisp_Object beg, end, plist;
- beg = read1 (readcharfun, &ch);
+ beg = read1 (readcharfun, &ch, 0);
if (ch == ')')
break;
if (ch == 0)
- end = read1 (readcharfun, &ch);
+ end = read1 (readcharfun, &ch, 0);
if (ch == 0)
- plist = read1 (readcharfun, &ch);
+ plist = read1 (readcharfun, &ch, 0);
if (ch)
Fsignal (Qinvalid_read_syntax,
Fcons (build_string ("invalid string property list"),
if (c >= 0)
UNREAD (c);
- /* Skip that many characters. */
- for (i = 0; i < nskip && c >= 0; i++)
- c = READCHAR;
+#ifndef DOS_NT /* I don't know if filepos works right on MSDOS and Windoze. */
+ if (load_force_doc_strings && EQ (readcharfun, Qget_file_char))
+ {
+ /* If we are supposed to force doc strings into core right now,
+ record the last string that we skipped,
+ and record where in the file it comes from. */
+ if (saved_doc_string_size == 0)
+ {
+ saved_doc_string_size = nskip + 100;
+ saved_doc_string = (char *) xmalloc (saved_doc_string_size);
+ }
+ if (nskip > saved_doc_string_size)
+ {
+ saved_doc_string_size = nskip + 100;
+ saved_doc_string = (char *) xrealloc (saved_doc_string,
+ saved_doc_string_size);
+ }
+
+ saved_doc_string_position = ftell (instream);
+
+ /* Copy that many characters into saved_doc_string. */
+ for (i = 0; i < nskip && c >= 0; i++)
+ saved_doc_string[i] = c = READCHAR;
+
+ saved_doc_string_length = i;
+ }
+ else
+#endif /* not DOS_NT */
+ {
+ /* Skip that many characters. */
+ for (i = 0; i < nskip && c >= 0; i++)
+ c = READCHAR;
+ }
goto retry;
}
if (c == '$')
return Vload_file_name;
+ if (c == '\'')
+ return Fcons (Qfunction, Fcons (read0 (readcharfun), Qnil));
+ /* #:foo is the uninterned symbol named foo. */
+ if (c == ':')
+ {
+ uninterned_symbol = 1;
+ c = READCHAR;
+ goto default_label;
+ }
+ /* Reader forms that can reuse previously read objects. */
+ if (c >= '0' && c <= '9')
+ {
+ int n = 0;
+ Lisp_Object tem;
+
+ /* Read a non-negative integer. */
+ while (c >= '0' && c <= '9')
+ {
+ n *= 10;
+ n += c - '0';
+ c = READCHAR;
+ }
+ /* #n=object returns object, but associates it with n for #n#. */
+ if (c == '=')
+ {
+ tem = read0 (readcharfun);
+ read_objects = Fcons (Fcons (make_number (n), tem), read_objects);
+ return tem;
+ }
+ /* #n# returns a previously read object. */
+ if (c == '#')
+ {
+ tem = Fassq (make_number (n), read_objects);
+ if (CONSP (tem))
+ return XCDR (tem);
+ /* Fall through to error message. */
+ }
+ /* Fall through to error message. */
+ }
UNREAD (c);
Fsignal (Qinvalid_read_syntax, Fcons (make_string ("#", 1), Qnil));
return Fcons (Qquote, Fcons (read0 (readcharfun), Qnil));
}
+ case '`':
+ if (first_in_list)
+ goto default_label;
+ else
+ {
+ Lisp_Object value;
+
+ new_backquote_flag = 1;
+ value = read0 (readcharfun);
+ new_backquote_flag = 0;
+
+ return Fcons (Qbackquote, Fcons (value, Qnil));
+ }
+
+ case ',':
+ if (new_backquote_flag)
+ {
+ Lisp_Object comma_type = Qnil;
+ Lisp_Object value;
+ int ch = READCHAR;
+
+ if (ch == '@')
+ comma_type = Qcomma_at;
+ else if (ch == '.')
+ comma_type = Qcomma_dot;
+ else
+ {
+ if (ch >= 0) UNREAD (ch);
+ comma_type = Qcomma;
+ }
+
+ new_backquote_flag = 0;
+ value = read0 (readcharfun);
+ new_backquote_flag = 1;
+ return Fcons (comma_type, Fcons (value, Qnil));
+ }
+ else
+ goto default_label;
+
case '?':
{
register Lisp_Object val;
if (c < 0) return Fsignal (Qend_of_file, Qnil);
if (c == '\\')
- XSETINT (val, read_escape (readcharfun));
- else
- XSETINT (val, c);
+ c = read_escape (readcharfun);
+ else if (BASE_LEADING_CODE_P (c))
+ c = read_multibyte (c, readcharfun);
+ XSETINT (val, c);
return val;
}
try to UNREAD two characters in a row. */
}
default:
+ default_label:
if (c <= 040) goto retry;
{
register char *p = read_buffer;
UNREAD (c);
}
- if (!quoted)
+ if (!quoted && !uninterned_symbol)
{
register char *p1;
register Lisp_Object val;
if (p1[-1] == '.')
p1[-1] = '\0';
#endif
- XSETINT (val, atoi (read_buffer));
+ if (sizeof (int) == sizeof (EMACS_INT))
+ XSETINT (val, atoi (read_buffer));
+ else if (sizeof (long) == sizeof (EMACS_INT))
+ XSETINT (val, atol (read_buffer));
+ else
+ abort ();
return val;
}
}
#endif
}
- return intern (read_buffer);
+ if (uninterned_symbol)
+ return make_symbol (read_buffer);
+ else
+ return intern (read_buffer);
}
}
}
while (*cp >= '0' && *cp <= '9')
cp++;
}
- if (*cp == 'e')
+ if (*cp == 'e' || *cp == 'E')
{
state |= E_CHAR;
cp++;
+ if (*cp == '+' || *cp == '-')
+ cp++;
}
- if ((*cp == '+') || (*cp == '-'))
- cp++;
if (*cp >= '0' && *cp <= '9')
{
while (*cp >= '0' && *cp <= '9')
cp++;
}
- return (*cp == 0
+ return (((*cp == 0) || (*cp == ' ') || (*cp == '\t') || (*cp == '\n') || (*cp == '\r') || (*cp == '\f'))
&& (state == (LEAD_INT|DOT_CHAR|TRAIL_INT)
|| state == (DOT_CHAR|TRAIL_INT)
|| state == (LEAD_INT|E_CHAR|EXP_INT)
Lisp_Object val, tail;
register Lisp_Object elt, tem;
struct gcpro gcpro1, gcpro2;
- int cancel = 0;
+ /* 0 is the normal case.
+ 1 means this list is a doc reference; replace it with the number 0.
+ 2 means this list is a doc reference; replace it with the doc string. */
+ int doc_reference = 0;
+
+ /* Initialize this to 1 if we are reading a list. */
+ int first_in_list = flag <= 0;
val = Qnil;
tail = Qnil;
{
char ch;
GCPRO2 (val, tail);
- elt = read1 (readcharfun, &ch);
+ elt = read1 (readcharfun, &ch, first_in_list);
UNGCPRO;
- /* If purifying, and the list starts with #$,
- return 0 instead. This is a doc string reference
- and it will be replaced anyway by Snarf-documentation,
- so don't waste pure space with it. */
+ first_in_list = 0;
+
+ /* While building, if the list starts with #$, treat it specially. */
if (EQ (elt, Vload_file_name)
- && !NILP (Vpurify_flag) && NILP (Vdoc_file_name))
- cancel = 1;
+ && !NILP (Vpurify_flag))
+ {
+ if (NILP (Vdoc_file_name))
+ /* We have not yet called Snarf-documentation, so assume
+ this file is described in the DOC-MM.NN file
+ and Snarf-documentation will fill in the right value later.
+ For now, replace the whole list with 0. */
+ doc_reference = 1;
+ else
+ /* We have already called Snarf-documentation, so make a relative
+ file name for this file, so it can be found properly
+ in the installed Lisp directory.
+ We don't use Fexpand_file_name because that would make
+ the directory absolute now. */
+ elt = concat2 (build_string ("../lisp/"),
+ Ffile_name_nondirectory (elt));
+ }
+ else if (EQ (elt, Vload_file_name)
+ && load_force_doc_strings)
+ doc_reference = 2;
if (ch)
{
{
if (ch == ']')
return val;
- Fsignal (Qinvalid_read_syntax, Fcons (make_string (") or . in a vector", 18), Qnil));
+ Fsignal (Qinvalid_read_syntax,
+ Fcons (make_string (") or . in a vector", 18), Qnil));
}
if (ch == ')')
return val;
XCONS (tail)->cdr = read0 (readcharfun);
else
val = read0 (readcharfun);
- read1 (readcharfun, &ch);
+ read1 (readcharfun, &ch, 0);
UNGCPRO;
if (ch == ')')
- return (cancel ? make_number (0) : val);
+ {
+ if (doc_reference == 1)
+ return make_number (0);
+ if (doc_reference == 2)
+ {
+ /* Get a doc string from the file we are loading.
+ If it's in saved_doc_string, get it from there. */
+ int pos = XINT (XCONS (val)->cdr);
+ if (pos >= saved_doc_string_position
+ && pos < (saved_doc_string_position
+ + saved_doc_string_length))
+ {
+ int start = pos - saved_doc_string_position;
+ int from, to;
+
+ /* Process quoting with ^A,
+ and find the end of the string,
+ which is marked with ^_ (037). */
+ for (from = start, to = start;
+ saved_doc_string[from] != 037;)
+ {
+ int c = saved_doc_string[from++];
+ if (c == 1)
+ {
+ c = saved_doc_string[from++];
+ if (c == 1)
+ saved_doc_string[to++] = c;
+ else if (c == '0')
+ saved_doc_string[to++] = 0;
+ else if (c == '_')
+ saved_doc_string[to++] = 037;
+ }
+ else
+ saved_doc_string[to++] = c;
+ }
+
+ return make_string (saved_doc_string + start,
+ to - start);
+ }
+ else
+ return read_doc_string (val);
+ }
+
+ return val;
+ }
return Fsignal (Qinvalid_read_syntax, Fcons (make_string (". in wrong context", 18), Qnil));
}
return Fsignal (Qinvalid_read_syntax, Fcons (make_string ("] in a list", 11), Qnil));
Lisp_Object Vobarray;
Lisp_Object initial_obarray;
+/* oblookup stores the bucket number here, for the sake of Funintern. */
+
+int oblookup_last_bucket_number;
+
+static int hash_string ();
+Lisp_Object oblookup ();
+
+/* Get an error if OBARRAY is not an obarray.
+ If it is one, return it. */
+
Lisp_Object
check_obarray (obarray)
Lisp_Object obarray;
return obarray;
}
-static int hash_string ();
-Lisp_Object oblookup ();
+/* Intern the C string STR: return a symbol with that name,
+ interned in the current obarray. */
Lisp_Object
intern (str)
tem = oblookup (obarray, str, len);
if (SYMBOLP (tem))
return tem;
- return Fintern ((!NILP (Vpurify_flag)
- ? make_pure_string (str, len)
- : make_string (str, len)),
- obarray);
+ return Fintern (make_string (str, len), obarray);
}
+/* Create an uninterned symbol with name STR. */
+
+Lisp_Object
+make_symbol (str)
+ char *str;
+{
+ int len = strlen (str);
+
+ return Fmake_symbol ((!NILP (Vpurify_flag)
+ ? make_pure_string (str, len)
+ : make_string (str, len)));
+}
+\f
DEFUN ("intern", Fintern, Sintern, 1, 2, 0,
"Return the canonical symbol whose name is STRING.\n\
If there is none, one is created by this function and returned.\n\
A second optional argument specifies the obarray to use;\n\
it defaults to the value of `obarray'.")
- (str, obarray)
- Lisp_Object str, obarray;
+ (string, obarray)
+ Lisp_Object string, obarray;
{
register Lisp_Object tem, sym, *ptr;
if (NILP (obarray)) obarray = Vobarray;
obarray = check_obarray (obarray);
- CHECK_STRING (str, 0);
+ CHECK_STRING (string, 0);
- tem = oblookup (obarray, XSTRING (str)->data, XSTRING (str)->size);
+ tem = oblookup (obarray, XSTRING (string)->data, XSTRING (string)->size);
if (!INTEGERP (tem))
return tem;
if (!NILP (Vpurify_flag))
- str = Fpurecopy (str);
- sym = Fmake_symbol (str);
+ string = Fpurecopy (string);
+ sym = Fmake_symbol (string);
+ XSYMBOL (sym)->obarray = obarray;
+
+ if (XSTRING (string)->data[0] == ':')
+ XSYMBOL (sym)->value = sym;
ptr = &XVECTOR (obarray)->contents[XINT (tem)];
if (SYMBOLP (*ptr))
"Return the canonical symbol whose name is STRING, or nil if none exists.\n\
A second optional argument specifies the obarray to use;\n\
it defaults to the value of `obarray'.")
- (str, obarray)
- Lisp_Object str, obarray;
+ (string, obarray)
+ Lisp_Object string, obarray;
{
register Lisp_Object tem;
if (NILP (obarray)) obarray = Vobarray;
obarray = check_obarray (obarray);
- CHECK_STRING (str, 0);
+ CHECK_STRING (string, 0);
- tem = oblookup (obarray, XSTRING (str)->data, XSTRING (str)->size);
+ tem = oblookup (obarray, XSTRING (string)->data, XSTRING (string)->size);
if (!INTEGERP (tem))
return tem;
return Qnil;
}
+\f
+DEFUN ("unintern", Funintern, Sunintern, 1, 2, 0,
+ "Delete the symbol named NAME, if any, from OBARRAY.\n\
+The value is t if a symbol was found and deleted, nil otherwise.\n\
+NAME may be a string or a symbol. If it is a symbol, that symbol\n\
+is deleted, if it belongs to OBARRAY--no other symbol is deleted.\n\
+OBARRAY defaults to the value of the variable `obarray'.")
+ (name, obarray)
+ Lisp_Object name, obarray;
+{
+ register Lisp_Object string, tem;
+ int hash;
+
+ if (NILP (obarray)) obarray = Vobarray;
+ obarray = check_obarray (obarray);
+
+ if (SYMBOLP (name))
+ XSETSTRING (string, XSYMBOL (name)->name);
+ else
+ {
+ CHECK_STRING (name, 0);
+ string = name;
+ }
+
+ tem = oblookup (obarray, XSTRING (string)->data, XSTRING (string)->size);
+ if (INTEGERP (tem))
+ return Qnil;
+ /* If arg was a symbol, don't delete anything but that symbol itself. */
+ if (SYMBOLP (name) && !EQ (name, tem))
+ return Qnil;
+
+ hash = oblookup_last_bucket_number;
+
+ if (EQ (XVECTOR (obarray)->contents[hash], tem))
+ {
+ if (XSYMBOL (tem)->next)
+ XSETSYMBOL (XVECTOR (obarray)->contents[hash], XSYMBOL (tem)->next);
+ else
+ XSETINT (XVECTOR (obarray)->contents[hash], 0);
+ }
+ else
+ {
+ Lisp_Object tail, following;
+
+ for (tail = XVECTOR (obarray)->contents[hash];
+ XSYMBOL (tail)->next;
+ tail = following)
+ {
+ XSETSYMBOL (following, XSYMBOL (tail)->next);
+ if (EQ (following, tem))
+ {
+ XSYMBOL (tail)->next = XSYMBOL (following)->next;
+ break;
+ }
+ }
+ }
+
+ return Qt;
+}
+\f
+/* Return the symbol in OBARRAY whose names matches the string
+ of SIZE characters at PTR. If there is no such symbol in OBARRAY,
+ return nil.
+
+ Also store the bucket number in oblookup_last_bucket_number. */
Lisp_Object
oblookup (obarray, ptr, size)
obarray = check_obarray (obarray);
obsize = XVECTOR (obarray)->size;
}
+ /* This is sometimes needed in the middle of GC. */
+ obsize &= ~ARRAY_MARK_FLAG;
/* Combining next two lines breaks VMS C 2.3. */
hash = hash_string (ptr, size);
hash %= obsize;
bucket = XVECTOR (obarray)->contents[hash];
+ oblookup_last_bucket_number = hash;
if (XFASTINT (bucket) == 0)
;
else if (!SYMBOLP (bucket))
error ("Bad data in guts of obarray"); /* Like CADR error message */
- else for (tail = bucket; ; XSETSYMBOL (tail, XSYMBOL (tail)->next))
+ else
+ for (tail = bucket; ; XSETSYMBOL (tail, XSYMBOL (tail)->next))
{
- if (XSYMBOL (tail)->name->size == size &&
- !bcmp (XSYMBOL (tail)->name->data, ptr, size))
+ if (XSYMBOL (tail)->name->size == size
+ && !bcmp (XSYMBOL (tail)->name->data, ptr, size))
return tail;
else if (XSYMBOL (tail)->next == 0)
break;
}
return hash & 07777777777;
}
-
+\f
void
map_obarray (obarray, fn, arg)
Lisp_Object obarray;
for (i = XVECTOR (obarray)->size - 1; i >= 0; i--)
{
tail = XVECTOR (obarray)->contents[i];
- if (XFASTINT (tail) != 0)
+ if (SYMBOLP (tail))
while (1)
{
(*fn) (tail, arg);
initial_obarray = Vobarray;
staticpro (&initial_obarray);
/* Intern nil in the obarray */
+ XSYMBOL (Qnil)->obarray = Vobarray;
/* These locals are to kludge around a pyramid compiler bug. */
hash = hash_string ("nil", 3);
/* Separate statement here to avoid VAXC bug. */
Vpurify_flag = Qt;
Qvariable_documentation = intern ("variable-documentation");
+ staticpro (&Qvariable_documentation);
read_buffer_size = 100;
read_buffer = (char *) malloc (read_buffer_size);
Lisp_Object sym, val;
sym = intern (namestring);
val = allocate_misc ();
- XMISC (val)->type = Lisp_Misc_Intfwd;
+ XMISCTYPE (val) = Lisp_Misc_Intfwd;
XINTFWD (val)->intvar = address;
XSYMBOL (sym)->value = val;
}
Lisp_Object sym, val;
sym = intern (namestring);
val = allocate_misc ();
- XMISC (val)->type = Lisp_Misc_Boolfwd;
+ XMISCTYPE (val) = Lisp_Misc_Boolfwd;
XBOOLFWD (val)->boolvar = address;
XSYMBOL (sym)->value = val;
}
Lisp_Object sym, val;
sym = intern (namestring);
val = allocate_misc ();
- XMISC (val)->type = Lisp_Misc_Objfwd;
+ XMISCTYPE (val) = Lisp_Misc_Objfwd;
XOBJFWD (val)->objvar = address;
XSYMBOL (sym)->value = val;
}
val = allocate_misc ();
offset = (char *)address - (char *)current_buffer;
- XMISC (val)->type = Lisp_Misc_Buffer_Objfwd;
+ XMISCTYPE (val) = Lisp_Misc_Buffer_Objfwd;
XBUFFER_OBJFWD (val)->offset = offset;
XSYMBOL (sym)->value = val;
*(Lisp_Object *)(offset + (char *)&buffer_local_symbols) = sym;
#endif /* standalone */
/* Similar but define a variable whose value is the Lisp Object stored
- at a particular offset in the current perdisplay object. */
+ at a particular offset in the current kboard object. */
void
-defvar_display (namestring, offset)
+defvar_kboard (namestring, offset)
char *namestring;
int offset;
{
Lisp_Object sym, val;
sym = intern (namestring);
val = allocate_misc ();
- XMISC (val)->type = Lisp_Misc_Display_Objfwd;
- XDISPLAY_OBJFWD (val)->offset = offset;
+ XMISCTYPE (val) = Lisp_Misc_Kboard_Objfwd;
+ XKBOARD_OBJFWD (val)->offset = offset;
XSYMBOL (sym)->value = val;
-#ifndef MULTI_PERDISPLAY
- staticpro ((Lisp_Object *)((char *)&the_only_perdisplay + offset));
-#endif
}
\f
+/* Record the value of load-path used at the start of dumping
+ so we can see if the site changed it later during dumping. */
+static Lisp_Object dump_path;
+
init_lread ()
{
char *normal;
+ int turn_off_warning = 0;
+
+#ifdef HAVE_SETLOCALE
+ /* Make sure numbers are parsed as we expect. */
+ setlocale (LC_NUMERIC, "C");
+#endif /* HAVE_SETLOCALE */
/* Compute the default load-path. */
#ifdef CANNOT_DUMP
from the default before dumping, don't override that value. */
if (initialized)
{
- Lisp_Object dump_path;
-
- dump_path = decode_env_path (0, PATH_DUMPLOADSEARCH);
if (! NILP (Fequal (dump_path, Vload_path)))
{
Vload_path = decode_env_path (0, normal);
if (!NILP (tem1))
{
if (NILP (Fmember (tem, Vload_path)))
- Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+ {
+ turn_off_warning = 1;
+ Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+ }
}
else
/* That dir doesn't exist, so add the build-time
Lisp dirs instead. */
Vload_path = nconc2 (Vload_path, dump_path);
+
+ /* Add leim under the installation dir, if it exists. */
+ tem = Fexpand_file_name (build_string ("leim"),
+ Vinstallation_directory);
+ tem1 = Ffile_exists_p (tem);
+ if (!NILP (tem1))
+ {
+ if (NILP (Fmember (tem, Vload_path)))
+ Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+ }
+
+ /* Add site-list under the installation dir, if it exists. */
+ tem = Fexpand_file_name (build_string ("site-lisp"),
+ Vinstallation_directory);
+ tem1 = Ffile_exists_p (tem);
+ if (!NILP (tem1))
+ {
+ if (NILP (Fmember (tem, Vload_path)))
+ Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+ }
+
+ /* If Emacs was not built in the source directory,
+ and it is run from where it was built, add to load-path
+ the lisp, leim and site-lisp dirs under that directory. */
+
+ if (NILP (Fequal (Vinstallation_directory, Vsource_directory)))
+ {
+ Lisp_Object tem2;
+
+ tem = Fexpand_file_name (build_string ("src/Makefile"),
+ Vinstallation_directory);
+ tem1 = Ffile_exists_p (tem);
+
+ /* Don't be fooled if they moved the entire source tree
+ AFTER dumping Emacs. If the build directory is indeed
+ different from the source dir, src/Makefile.in and
+ src/Makefile will not be found together. */
+ tem = Fexpand_file_name (build_string ("src/Makefile.in"),
+ Vinstallation_directory);
+ tem2 = Ffile_exists_p (tem);
+ if (!NILP (tem1) && NILP (tem2))
+ {
+ tem = Fexpand_file_name (build_string ("lisp"),
+ Vsource_directory);
+
+ if (NILP (Fmember (tem, Vload_path)))
+ Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+
+ tem = Fexpand_file_name (build_string ("leim"),
+ Vsource_directory);
+
+ if (NILP (Fmember (tem, Vload_path)))
+ Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+
+ tem = Fexpand_file_name (build_string ("site-lisp"),
+ Vsource_directory);
+
+ if (NILP (Fmember (tem, Vload_path)))
+ Vload_path = nconc2 (Vload_path, Fcons (tem, Qnil));
+ }
+ }
}
}
}
else
- Vload_path = decode_env_path (0, normal);
+ {
+ /* NORMAL refers to the lisp dir in the source directory. */
+ /* We used to add ../lisp at the front here, but
+ that caused trouble because it was copied from dump_path
+ into Vload_path, aboe, when Vinstallation_directory was non-nil.
+ It should be unnecessary. */
+ Vload_path = decode_env_path (0, normal);
+ dump_path = Vload_path;
+ }
#endif
#ifndef WINDOWSNT
/* When Emacs is invoked over network shares on NT, PATH_LOADSEARCH is
almost never correct, thereby causing a warning to be printed out that
- confuses users. Since PATH_LOADSEARCH is always overriden by the
+ confuses users. Since PATH_LOADSEARCH is always overridden by the
EMACSLOADPATH environment variable below, disable the warning on NT. */
/* Warn if dirs in the *standard* path don't exist. */
- {
- Lisp_Object path_tail;
+ if (!turn_off_warning)
+ {
+ Lisp_Object path_tail;
- for (path_tail = Vload_path;
- !NILP (path_tail);
- path_tail = XCONS (path_tail)->cdr)
- {
- Lisp_Object dirfile;
- dirfile = Fcar (path_tail);
- if (STRINGP (dirfile))
- {
- dirfile = Fdirectory_file_name (dirfile);
- if (access (XSTRING (dirfile)->data, 0) < 0)
- fprintf (stderr,
- "Warning: Lisp directory `%s' does not exist.\n",
- XSTRING (Fcar (path_tail))->data);
- }
- }
- }
+ for (path_tail = Vload_path;
+ !NILP (path_tail);
+ path_tail = XCONS (path_tail)->cdr)
+ {
+ Lisp_Object dirfile;
+ dirfile = Fcar (path_tail);
+ if (STRINGP (dirfile))
+ {
+ dirfile = Fdirectory_file_name (dirfile);
+ if (access (XSTRING (dirfile)->data, 0) < 0)
+ dir_warning ("Warning: Lisp directory `%s' does not exist.\n",
+ XCONS (path_tail)->car);
+ }
+ }
+ }
#endif /* WINDOWSNT */
/* If the EMACSLOADPATH environment variable is set, use its value.
This doesn't apply if we're dumping. */
+#ifndef CANNOT_DUMP
if (NILP (Vpurify_flag)
&& egetenv ("EMACSLOADPATH"))
+#endif
Vload_path = decode_env_path ("EMACSLOADPATH", normal);
Vvalues = Qnil;
load_in_progress = 0;
+ Vload_file_name = Qnil;
load_descriptor_list = Qnil;
}
+/* Print a warning, using format string FORMAT, that directory DIRNAME
+ does not exist. Print it on stderr and put it in *Message*. */
+
+dir_warning (format, dirname)
+ char *format;
+ Lisp_Object dirname;
+{
+ char *buffer
+ = (char *) alloca (XSTRING (dirname)->size + strlen (format) + 5);
+
+ fprintf (stderr, format, XSTRING (dirname)->data);
+ sprintf (buffer, format, XSTRING (dirname)->data);
+ message_dolog (buffer, strlen (buffer), 0);
+}
+
void
syms_of_lread ()
{
defsubr (&Sread_from_string);
defsubr (&Sintern);
defsubr (&Sintern_soft);
+ defsubr (&Sunintern);
defsubr (&Sload);
defsubr (&Seval_buffer);
defsubr (&Seval_region);
"Used for internal purposes by `load'.");
Vcurrent_load_list = Qnil;
+ DEFVAR_LISP ("load-read-function", &Vload_read_function,
+ "Function used by `load' and `eval-region' for reading expressions.\n\
+The default is nil, which means use the function `read'.");
+ Vload_read_function = Qnil;
+
+ DEFVAR_LISP ("load-source-file-function", &Vload_source_file_function,
+ "Function called in `load' for loading an Emacs lisp source file.\n\
+This function is for doing code conversion before reading the source file.\n\
+If nil, loading is done without any code conversion.\n\
+Arguments are FULLNAME, FILE, NOERROR, NOMESSAGE, where\n\
+ FULLNAME is the full name of FILE.\n\
+See `load' for the meaning of the remaining arguments.");
+ Vload_source_file_function = Qnil;
+
+ DEFVAR_BOOL ("load-force-doc-strings", &load_force_doc_strings,
+ "Non-nil means `load' should force-load all dynamic doc strings.\n\
+This is useful when the file being loaded is a temporary copy.");
+ load_force_doc_strings = 0;
+
+ DEFVAR_LISP ("source-directory", &Vsource_directory,
+ "Directory in which Emacs sources were found when Emacs was built.\n\
+You cannot count on them to still be there!");
+ Vsource_directory
+ = Fexpand_file_name (build_string ("../"),
+ Fcar (decode_env_path (0, PATH_DUMPLOADSEARCH)));
+
+ DEFVAR_LISP ("preloaded-file-list", &Vpreloaded_file_list,
+ "List of files that were preloaded (when dumping Emacs).");
+ Vpreloaded_file_list = Qnil;
+
+ /* Vsource_directory was initialized in init_lread. */
+
load_descriptor_list = Qnil;
staticpro (&load_descriptor_list);
Qget_file_char = intern ("get-file-char");
staticpro (&Qget_file_char);
+ Qbackquote = intern ("`");
+ staticpro (&Qbackquote);
+ Qcomma = intern (",");
+ staticpro (&Qcomma);
+ Qcomma_at = intern (",@");
+ staticpro (&Qcomma_at);
+ Qcomma_dot = intern (",.");
+ staticpro (&Qcomma_dot);
+
+ Qinhibit_file_name_operation = intern ("inhibit-file-name-operation");
+ staticpro (&Qinhibit_file_name_operation);
+
Qascii_character = intern ("ascii-character");
staticpro (&Qascii_character);
+ Qfunction = intern ("function");
+ staticpro (&Qfunction);
+
Qload = intern ("load");
staticpro (&Qload);
Qload_file_name = intern ("load-file-name");
staticpro (&Qload_file_name);
+
+ staticpro (&dump_path);
+
+ staticpro (&read_objects);
+ read_objects = Qnil;
}