It must be set to nil before all top-level calls to read0. */
static Lisp_Object read_objects;
-/* True means READCHAR should read bytes one by one (not character)
- when READCHARFUN is Qget_file_char or Qget_emacs_mule_file_char.
- This is set by read1 temporarily while handling #@NUMBER. */
-static bool load_each_byte;
-
/* List of descriptors now open for Fload. */
static Lisp_Object load_descriptor_list;
return c;
}
c = (*readbyte) (-1, readcharfun);
- if (c < 0 || load_each_byte)
+ if (c < 0)
return c;
if (multibyte)
*multibyte = 1;
return STRING_CHAR (buf);
}
+static void
+skip_dyn_bytes (Lisp_Object readcharfun, ptrdiff_t n)
+{
+ if (EQ (readcharfun, Qget_file_char)
+ || EQ (readcharfun, Qget_emacs_mule_file_char))
+ {
+ block_input (); /* FIXME: Not sure if it's needed. */
+ fseek (instream, n, SEEK_CUR);
+ unblock_input ();
+ }
+ else
+ { /* We're not reading directly from a file. In that case, it's difficult
+ to reliably count bytes, since these are usually meant for the file's
+ encoding, whereas we're now typically in the internal encoding.
+ But luckily, skip_dyn_bytes is used to skip over a single
+ dynamic-docstring (or dynamic byte-code) which is always quoted such
+ that \037 is the final char. */
+ int c;
+ do {
+ c = READCHAR;
+ } while (c >= 0 && c != '\037');
+ }
+}
+
/* Unread the character C in the way appropriate for the stream READCHARFUN.
If the stream is a user function, call it with the char as argument. */
else if (EQ (readcharfun, Qget_file_char)
|| EQ (readcharfun, Qget_emacs_mule_file_char))
{
- if (load_each_byte)
- {
- block_input ();
- ungetc (c, instream);
- unblock_input ();
- }
- else
- unread_char = c;
+ unread_char = c;
}
else
call1 (readcharfun, make_number (c));
end_time = add_emacs_time (current_emacs_time (), wait_time);
}
-/* Read until we get an acceptable event. */
+ /* Read until we get an acceptable event. */
retry:
do
- val = read_char (0, 0, 0, (input_method ? Qnil : Qt), 0,
+ val = read_char (0, Qnil, (input_method ? Qnil : Qt), 0,
NUMBERP (seconds) ? &end_time : NULL);
while (INTEGERP (val) && XINT (val) == -2); /* wrong_kboard_jmpbuf */
if (BUFFERP (val))
goto retry;
- /* switch-frame events are put off until after the next ASCII
+ /* `switch-frame' events are put off until after the next ASCII
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
message_with_string ("Loading %s...", file, 1);
}
- record_unwind_protect (load_unwind, make_save_value (stream, 0));
+ record_unwind_protect (load_unwind, make_save_pointer (stream));
record_unwind_protect (load_descriptor_unwind, load_descriptor_list);
specbind (Qload_file_name, found);
specbind (Qinhibit_file_name_operation, Qnil);
static Lisp_Object
load_unwind (Lisp_Object arg) /* Used as unwind-protect function in load. */
{
- FILE *stream = (FILE *) XSAVE_POINTER (arg);
+ FILE *stream = XSAVE_POINTER (arg, 0);
if (stream != NULL)
{
block_input ();
bool multibyte;
*pch = 0;
- load_each_byte = 0;
retry:
return tmp;
}
- /* #@NUMBER is used to skip NUMBER following characters.
+ /* #@NUMBER is used to skip NUMBER following bytes.
That's used in .elc files to skip over doc strings
and function definitions. */
if (c == '@')
enum { extra = 100 };
ptrdiff_t i, nskip = 0;
- load_each_byte = 1;
/* Read a decimal integer. */
while ((c = READCHAR) >= 0
&& c >= '0' && c <= '9')
nskip *= 10;
nskip += c - '0';
}
- UNREAD (c);
-
+ if (nskip > 0)
+ /* We can't use UNREAD here, because in the code below we side-step
+ READCHAR. Instead, assume the first char after #@NNN occupies
+ a single byte, which is the case normally since it's just
+ a space. */
+ nskip--;
+ else
+ UNREAD (c);
+
if (load_force_doc_strings
&& (EQ (readcharfun, Qget_file_char)
|| EQ (readcharfun, Qget_emacs_mule_file_char)))
saved_doc_string_position = file_tell (instream);
/* Copy that many characters into saved_doc_string. */
+ block_input ();
for (i = 0; i < nskip && c >= 0; i++)
- saved_doc_string[i] = c = READCHAR;
+ saved_doc_string[i] = c = getc (instream);
+ unblock_input ();
saved_doc_string_length = i;
}
else
- {
- /* Skip that many characters. */
- for (i = 0; i < nskip && c >= 0; i++)
- c = READCHAR;
- }
+ /* Skip that many bytes. */
+ skip_dyn_bytes (readcharfun, nskip);
- load_each_byte = 0;
goto retry;
}
if (c == '!')