#include <config.h>
#include <stdio.h>
#include "lisp.h"
#include "buffer.h"
#include "charset.h"
#include "keyboard.h"
#include "frame.h"
#include "window.h"
#include "process.h"
#include "dispextern.h"
#include "termchar.h"
#include "intervals.h"
Lisp_Object Vstandard_output, Qstandard_output;
Lisp_Object Qtemp_buffer_setup_hook;
extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction;
Lisp_Object Vfloat_output_format, Qfloat_output_format;
#if defined (HPUX) && !defined (HPUX8)
#define _MAXLDBL print_maxldbl
#define _NMAXLDBL print_nmaxldbl
#endif
#include <math.h>
#if STDC_HEADERS
#include <float.h>
#endif
#ifndef FLT_RADIX
#define FLT_RADIX 2
#endif
#ifndef DBL_MANT_DIG
#define DBL_MANT_DIG 53
#endif
#ifndef DBL_DIG
#define DBL_DIG 15
#endif
#ifndef DBL_MIN
#define DBL_MIN 2.2250738585072014e-308
#endif
#ifdef DBL_MIN_REPLACEMENT
#undef DBL_MIN
#define DBL_MIN DBL_MIN_REPLACEMENT
#endif
#if FLT_RADIX == 2 && DBL_MANT_DIG == 53
#define DOUBLE_DIGITS_BOUND 17
#else
#define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG))))
#endif
int print_depth;
#define PRINT_CIRCLE 200
Lisp_Object being_printed[PRINT_CIRCLE];
char *print_buffer;
int print_buffer_size;
int print_buffer_pos;
int print_buffer_pos_byte;
Lisp_Object Vprint_length;
Lisp_Object Vprint_level;
int print_escape_newlines;
int print_escape_nonascii;
int print_escape_multibyte;
Lisp_Object Qprint_escape_newlines;
Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii;
int print_quoted;
Lisp_Object Vprint_gensym;
Lisp_Object Vprint_circle;
Lisp_Object Vprint_continuous_numbering;
int print_number_index;
Lisp_Object Vprint_number_table;
#define PRINT_NUMBER_OBJECT(table,i) XVECTOR ((table))->contents[(i) * 2]
#define PRINT_NUMBER_STATUS(table,i) XVECTOR ((table))->contents[(i) * 2 + 1]
extern int noninteractive_need_newline;
extern int minibuffer_auto_raise;
#ifdef MAX_PRINT_CHARS
static int print_chars;
static int max_print;
#endif
void print_interval ();
#define PRINTDECLARE \
struct buffer *old = current_buffer; \
int old_point = -1, start_point = -1; \
int old_point_byte = -1, start_point_byte = -1; \
int specpdl_count = specpdl_ptr - specpdl; \
int free_print_buffer = 0; \
int multibyte = !NILP (current_buffer->enable_multibyte_characters); \
Lisp_Object original
#define PRINTPREPARE \
original = printcharfun; \
if (NILP (printcharfun)) printcharfun = Qt; \
if (BUFFERP (printcharfun)) \
{ \
if (XBUFFER (printcharfun) != current_buffer) \
Fset_buffer (printcharfun); \
printcharfun = Qnil; \
} \
if (MARKERP (printcharfun)) \
{ \
if (!(XMARKER (original)->buffer)) \
error ("Marker does not point anywhere"); \
if (XMARKER (original)->buffer != current_buffer) \
set_buffer_internal (XMARKER (original)->buffer); \
old_point = PT; \
old_point_byte = PT_BYTE; \
SET_PT_BOTH (marker_position (printcharfun), \
marker_byte_position (printcharfun)); \
start_point = PT; \
start_point_byte = PT_BYTE; \
printcharfun = Qnil; \
} \
if (NILP (printcharfun)) \
{ \
Lisp_Object string; \
if (NILP (current_buffer->enable_multibyte_characters) \
&& ! print_escape_multibyte) \
specbind (Qprint_escape_multibyte, Qt); \
if (! NILP (current_buffer->enable_multibyte_characters) \
&& ! print_escape_nonascii) \
specbind (Qprint_escape_nonascii, Qt); \
if (print_buffer != 0) \
{ \
string = make_string_from_bytes (print_buffer, \
print_buffer_pos, \
print_buffer_pos_byte); \
record_unwind_protect (print_unwind, string); \
} \
else \
{ \
print_buffer_size = 1000; \
print_buffer = (char *) xmalloc (print_buffer_size); \
free_print_buffer = 1; \
} \
print_buffer_pos = 0; \
print_buffer_pos_byte = 0; \
} \
if (EQ (printcharfun, Qt) && ! noninteractive) \
setup_echo_area_for_printing (multibyte);
#define PRINTFINISH \
if (NILP (printcharfun)) \
{ \
if (print_buffer_pos != print_buffer_pos_byte \
&& NILP (current_buffer->enable_multibyte_characters)) \
{ \
unsigned char *temp \
= (unsigned char *) alloca (print_buffer_pos + 1); \
copy_text (print_buffer, temp, print_buffer_pos_byte, \
1, 0); \
insert_1_both (temp, print_buffer_pos, \
print_buffer_pos, 0, 1, 0); \
} \
else \
insert_1_both (print_buffer, print_buffer_pos, \
print_buffer_pos_byte, 0, 1, 0); \
} \
if (free_print_buffer) \
{ \
xfree (print_buffer); \
print_buffer = 0; \
} \
unbind_to (specpdl_count, Qnil); \
if (MARKERP (original)) \
set_marker_both (original, Qnil, PT, PT_BYTE); \
if (old_point >= 0) \
SET_PT_BOTH (old_point + (old_point >= start_point \
? PT - start_point : 0), \
old_point_byte + (old_point_byte >= start_point_byte \
? PT_BYTE - start_point_byte : 0)); \
if (old != current_buffer) \
set_buffer_internal (old);
#define PRINTCHAR(ch) printchar (ch, printcharfun)
static Lisp_Object
print_unwind (saved_text)
Lisp_Object saved_text;
{
bcopy (XSTRING (saved_text)->data, print_buffer, XSTRING (saved_text)->size);
return Qnil;
}
static void
printchar (ch, fun)
unsigned int ch;
Lisp_Object fun;
{
#ifdef MAX_PRINT_CHARS
if (max_print)
print_chars++;
#endif
if (!NILP (fun) && !EQ (fun, Qt))
call1 (fun, make_number (ch));
else
{
unsigned char str[MAX_MULTIBYTE_LENGTH];
int len = CHAR_STRING (ch, str);
QUIT;
if (NILP (fun))
{
if (print_buffer_pos_byte + len >= print_buffer_size)
print_buffer = (char *) xrealloc (print_buffer,
print_buffer_size *= 2);
bcopy (str, print_buffer + print_buffer_pos_byte, len);
print_buffer_pos += 1;
print_buffer_pos_byte += len;
}
else if (noninteractive)
{
fwrite (str, 1, len, stdout);
noninteractive_need_newline = 1;
}
else
{
int multibyte_p
= !NILP (current_buffer->enable_multibyte_characters);
setup_echo_area_for_printing (multibyte_p);
insert_char (ch);
message_dolog (str, len, 0, multibyte_p);
}
}
}
static void
strout (ptr, size, size_byte, printcharfun, multibyte)
char *ptr;
int size, size_byte;
Lisp_Object printcharfun;
int multibyte;
{
if (size < 0)
size_byte = size = strlen (ptr);
if (NILP (printcharfun))
{
if (print_buffer_pos_byte + size_byte > print_buffer_size)
{
print_buffer_size = print_buffer_size * 2 + size_byte;
print_buffer = (char *) xrealloc (print_buffer,
print_buffer_size);
}
bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte);
print_buffer_pos += size;
print_buffer_pos_byte += size_byte;
#ifdef MAX_PRINT_CHARS
if (max_print)
print_chars += size;
#endif
}
else if (noninteractive && EQ (printcharfun, Qt))
{
fwrite (ptr, 1, size_byte, stdout);
noninteractive_need_newline = 1;
}
else if (EQ (printcharfun, Qt))
{
int i;
int multibyte_p
= !NILP (current_buffer->enable_multibyte_characters);
setup_echo_area_for_printing (multibyte_p);
message_dolog (ptr, size_byte, 0, multibyte_p);
if (size == size_byte)
{
for (i = 0; i < size; ++i)
insert_char ((unsigned char )*ptr++);
}
else
{
int len;
for (i = 0; i < size_byte; i += len)
{
int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len);
insert_char (ch);
}
}
#ifdef MAX_PRINT_CHARS
if (max_print)
print_chars += size;
#endif
}
else
{
int i = 0;
if (size == size_byte)
{
while (i < size_byte)
{
int ch = ptr[i++];
PRINTCHAR (ch);
}
}
else
{
while (i < size_byte)
{
int len;
int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len);
PRINTCHAR (ch);
i += len;
}
}
}
}
static void
print_string (string, printcharfun)
Lisp_Object string;
Lisp_Object printcharfun;
{
if (EQ (printcharfun, Qt) || NILP (printcharfun))
{
int chars;
if (STRING_MULTIBYTE (string))
chars = XSTRING (string)->size;
else if (EQ (printcharfun, Qt)
? ! NILP (buffer_defaults.enable_multibyte_characters)
: ! NILP (current_buffer->enable_multibyte_characters))
{
Lisp_Object newstr;
int bytes;
chars = STRING_BYTES (XSTRING (string));
bytes = parse_str_to_multibyte (XSTRING (string)->data, chars);
if (chars < bytes)
{
newstr = make_uninit_multibyte_string (chars, bytes);
bcopy (XSTRING (string)->data, XSTRING (newstr)->data, chars);
str_to_multibyte (XSTRING (newstr)->data, bytes, chars);
string = newstr;
}
}
else
chars = STRING_BYTES (XSTRING (string));
strout (XSTRING (string)->data,
chars, STRING_BYTES (XSTRING (string)),
printcharfun, STRING_MULTIBYTE (string));
}
else
{
int i;
int size = XSTRING (string)->size;
int size_byte = STRING_BYTES (XSTRING (string));
struct gcpro gcpro1;
GCPRO1 (string);
if (size == size_byte)
for (i = 0; i < size; i++)
PRINTCHAR (XSTRING (string)->data[i]);
else
for (i = 0; i < size_byte; i++)
{
int len;
int ch = STRING_CHAR_AND_LENGTH (XSTRING (string)->data + i,
size_byte - i, len);
if (!CHAR_VALID_P (ch, 0))
{
ch = XSTRING (string)->data[i];
len = 1;
}
PRINTCHAR (ch);
i += len;
}
UNGCPRO;
}
}
DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0,
"Output character CHARACTER to stream PRINTCHARFUN.\n\
PRINTCHARFUN defaults to the value of `standard-output' (which see).")
(character, printcharfun)
Lisp_Object character, printcharfun;
{
PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
CHECK_NUMBER (character, 0);
PRINTPREPARE;
PRINTCHAR (XINT (character));
PRINTFINISH;
return character;
}
void
write_string (data, size)
char *data;
int size;
{
PRINTDECLARE;
Lisp_Object printcharfun;
printcharfun = Vstandard_output;
PRINTPREPARE;
strout (data, size, size, printcharfun, 0);
PRINTFINISH;
}
void
write_string_1 (data, size, printcharfun)
char *data;
int size;
Lisp_Object printcharfun;
{
PRINTDECLARE;
PRINTPREPARE;
strout (data, size, size, printcharfun, 0);
PRINTFINISH;
}
void
temp_output_buffer_setup (bufname)
char *bufname;
{
int count = specpdl_ptr - specpdl;
register struct buffer *old = current_buffer;
register Lisp_Object buf;
record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ());
Fset_buffer (Fget_buffer_create (build_string (bufname)));
current_buffer->directory = old->directory;
current_buffer->read_only = Qnil;
current_buffer->filename = Qnil;
current_buffer->undo_list = Qt;
current_buffer->overlays_before = Qnil;
current_buffer->overlays_after = Qnil;
current_buffer->enable_multibyte_characters
= buffer_defaults.enable_multibyte_characters;
Ferase_buffer ();
XSETBUFFER (buf, current_buffer);
if (!NILP (Vrun_hooks))
call1 (Vrun_hooks, Qtemp_buffer_setup_hook);
unbind_to (count, Qnil);
specbind (Qstandard_output, buf);
}
Lisp_Object
internal_with_output_to_temp_buffer (bufname, function, args)
char *bufname;
Lisp_Object (*function) P_ ((Lisp_Object));
Lisp_Object args;
{
int count = specpdl_ptr - specpdl;
Lisp_Object buf, val;
struct gcpro gcpro1;
GCPRO1 (args);
record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
temp_output_buffer_setup (bufname);
buf = Vstandard_output;
UNGCPRO;
val = (*function) (args);
GCPRO1 (val);
temp_output_buffer_show (buf);
UNGCPRO;
return unbind_to (count, val);
}
DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer,
1, UNEVALLED, 0,
"Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.\n\
The buffer is cleared out initially, and marked as unmodified when done.\n\
All output done by BODY is inserted in that buffer by default.\n\
The buffer is displayed in another window, but not selected.\n\
The value of the last form in BODY is returned.\n\
If BODY does not finish normally, the buffer BUFNAME is not displayed.\n\
\n\
The hook `temp-buffer-setup-hook' is run before BODY,\n\
with the buffer BUFNAME temporarily current.\n\
The hook `temp-buffer-show-hook' is run after the buffer is displayed,\n\
with the buffer temporarily current, and the window that was used\n\
to display it temporarily selected.\n\
\n\
If variable `temp-buffer-show-function' is non-nil, call it at the end\n\
to get the buffer displayed instead of just displaying the non-selected\n\
buffer and calling the hook. It gets one argument, the buffer to display.")
(args)
Lisp_Object args;
{
struct gcpro gcpro1;
Lisp_Object name;
int count = specpdl_ptr - specpdl;
Lisp_Object buf, val;
GCPRO1(args);
name = Feval (Fcar (args));
UNGCPRO;
CHECK_STRING (name, 0);
temp_output_buffer_setup (XSTRING (name)->data);
buf = Vstandard_output;
val = Fprogn (Fcdr (args));
temp_output_buffer_show (buf);
return unbind_to (count, val);
}
static void print ();
static void print_preprocess ();
static void print_preprocess_string ();
static void print_object ();
DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0,
"Output a newline to stream PRINTCHARFUN.\n\
If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used.")
(printcharfun)
Lisp_Object printcharfun;
{
PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
PRINTPREPARE;
PRINTCHAR ('\n');
PRINTFINISH;
return Qt;
}
DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0,
"Output the printed representation of OBJECT, any Lisp object.\n\
Quoting characters are printed when needed to make output that `read'\n\
can handle, whenever this is possible.\n\
\n\
OBJECT is any of the Lisp data types: a number, a string, a symbol,\n\
a list, a buffer, a window, a frame, etc.\n\
\n\
A printed representation of an object is text which describes that object.\n\
\n\
Optional argument PRINTCHARFUN is the output stream, which can be one\n\
of these:\n\
\n\
- a buffer, in which case output is inserted into that buffer at point;\n\
- a marker, in which case output is inserted at marker's position;\n\
- a function, in which case that function is called once for each\n\
character of OBJECT's printed representation;\n\
- a symbol, in which case that symbol's function definition is called; or\n\
- t, in which case the output is displayed in the echo area.\n\
\n\
If PRINTCHARFUN is omitted, the value of `standard-output' (which see)\n\
is used instead.")
(object, printcharfun)
Lisp_Object object, printcharfun;
{
PRINTDECLARE;
#ifdef MAX_PRINT_CHARS
max_print = 0;
#endif
if (NILP (printcharfun))
printcharfun = Vstandard_output;
PRINTPREPARE;
print (object, printcharfun, 1);
PRINTFINISH;
return object;
}
Lisp_Object Vprin1_to_string_buffer;
DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0,
"Return a string containing the printed representation of OBJECT,\n\
any Lisp object. Quoting characters are used when needed to make output\n\
that `read' can handle, whenever this is possible, unless the optional\n\
second argument NOESCAPE is non-nil.\n\
\n\
OBJECT is any of the Lisp data types: a number, a string, a symbol,\n\
a list, a buffer, a window, a frame, etc.\n\
\n\
A printed representation of an object is text which describes that object.")
(object, noescape)
Lisp_Object object, noescape;
{
PRINTDECLARE;
Lisp_Object printcharfun;
struct gcpro gcpro1, gcpro2;
Lisp_Object tem;
tem = Vdeactivate_mark;
GCPRO2 (object, tem);
printcharfun = Vprin1_to_string_buffer;
PRINTPREPARE;
print (object, printcharfun, NILP (noescape));
PRINTFINISH;
set_buffer_internal (XBUFFER (Vprin1_to_string_buffer));
object = Fbuffer_string ();
Ferase_buffer ();
set_buffer_internal (old);
Vdeactivate_mark = tem;
UNGCPRO;
return object;
}
DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0,
"Output the printed representation of OBJECT, any Lisp object.\n\
No quoting characters are used; no delimiters are printed around\n\
the contents of strings.\n\
\n\
OBJECT is any of the Lisp data types: a number, a string, a symbol,\n\
a list, a buffer, a window, a frame, etc.\n\
\n\
A printed representation of an object is text which describes that object.\n\
\n\
Optional argument PRINTCHARFUN is the output stream, which can be one\n\
of these:\n\
\n\
- a buffer, in which case output is inserted into that buffer at point;\n\
- a marker, in which case output is inserted at marker's position;\n\
- a function, in which case that function is called once for each\n\
character of OBJECT's printed representation;\n\
- a symbol, in which case that symbol's function definition is called; or\n\
- t, in which case the output is displayed in the echo area.\n\
\n\
If PRINTCHARFUN is omitted, the value of `standard-output' (which see)\n\
is used instead.")
(object, printcharfun)
Lisp_Object object, printcharfun;
{
PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
PRINTPREPARE;
print (object, printcharfun, 0);
PRINTFINISH;
return object;
}
DEFUN ("print", Fprint, Sprint, 1, 2, 0,
"Output the printed representation of OBJECT, with newlines around it.\n\
Quoting characters are printed when needed to make output that `read'\n\
can handle, whenever this is possible.\n\
\n\
OBJECT is any of the Lisp data types: a number, a string, a symbol,\n\
a list, a buffer, a window, a frame, etc.\n\
\n\
A printed representation of an object is text which describes that object.\n\
\n\
Optional argument PRINTCHARFUN is the output stream, which can be one\n\
of these:\n\
\n\
- a buffer, in which case output is inserted into that buffer at point;\n\
- a marker, in which case output is inserted at marker's position;\n\
- a function, in which case that function is called once for each\n\
character of OBJECT's printed representation;\n\
- a symbol, in which case that symbol's function definition is called; or\n\
- t, in which case the output is displayed in the echo area.\n\
\n\
If PRINTCHARFUN is omitted, the value of `standard-output' (which see)\n\
is used instead.")
(object, printcharfun)
Lisp_Object object, printcharfun;
{
PRINTDECLARE;
struct gcpro gcpro1;
#ifdef MAX_PRINT_CHARS
print_chars = 0;
max_print = MAX_PRINT_CHARS;
#endif
if (NILP (printcharfun))
printcharfun = Vstandard_output;
GCPRO1 (object);
PRINTPREPARE;
PRINTCHAR ('\n');
print (object, printcharfun, 1);
PRINTCHAR ('\n');
PRINTFINISH;
#ifdef MAX_PRINT_CHARS
max_print = 0;
print_chars = 0;
#endif
UNGCPRO;
return object;
}
Lisp_Object Qexternal_debugging_output;
DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0,
"Write CHARACTER to stderr.\n\
You can call print while debugging emacs, and pass it this function\n\
to make it write to the debugging output.\n")
(character)
Lisp_Object character;
{
CHECK_NUMBER (character, 0);
putc (XINT (character), stderr);
#ifdef WINDOWSNT
{
char buf[2] = {(char) XINT (character), '\0'};
OutputDebugString (buf);
}
#endif
return character;
}
void
debug_print (arg)
Lisp_Object arg;
{
Fprin1 (arg, Qexternal_debugging_output);
fprintf (stderr, "\r\n");
}
DEFUN ("error-message-string", Ferror_message_string, Serror_message_string,
1, 1, 0,
"Convert an error value (ERROR-SYMBOL . DATA) to an error message.")
(obj)
Lisp_Object obj;
{
struct buffer *old = current_buffer;
Lisp_Object value;
struct gcpro gcpro1;
if (CONSP (obj) && EQ (XCAR (obj), Qerror)
&& CONSP (XCDR (obj))
&& STRINGP (XCAR (XCDR (obj)))
&& NILP (XCDR (XCDR (obj))))
return XCAR (XCDR (obj));
print_error_message (obj, Vprin1_to_string_buffer);
set_buffer_internal (XBUFFER (Vprin1_to_string_buffer));
value = Fbuffer_string ();
GCPRO1 (value);
Ferase_buffer ();
set_buffer_internal (old);
UNGCPRO;
return value;
}
void
print_error_message (data, stream)
Lisp_Object data, stream;
{
Lisp_Object errname, errmsg, file_error, tail;
struct gcpro gcpro1;
int i;
errname = Fcar (data);
if (EQ (errname, Qerror))
{
data = Fcdr (data);
if (!CONSP (data))
data = Qnil;
errmsg = Fcar (data);
file_error = Qnil;
}
else
{
Lisp_Object error_conditions;
errmsg = Fget (errname, Qerror_message);
error_conditions = Fget (errname, Qerror_conditions);
file_error = Fmemq (Qfile_error, error_conditions);
}
tail = Fcdr_safe (data);
GCPRO1 (tail);
if (!NILP (Vsignaling_function) && SYMBOLP (Vsignaling_function))
{
char *name = XSYMBOL (Vsignaling_function)->name->data;
message_dolog (name, strlen (name), 0, 0);
message_dolog (": ", 2, 0, 0);
Vsignaling_function = Qnil;
}
if (!NILP (file_error) && CONSP (tail))
errmsg = XCAR (tail), tail = XCDR (tail);
if (STRINGP (errmsg))
Fprinc (errmsg, stream);
else
write_string_1 ("peculiar error", -1, stream);
for (i = 0; CONSP (tail); tail = XCDR (tail), i++)
{
Lisp_Object obj;
write_string_1 (i ? ", " : ": ", 2, stream);
obj = XCAR (tail);
if (!NILP (file_error) || EQ (errname, Qend_of_file))
Fprinc (obj, stream);
else
Fprin1 (obj, stream);
}
UNGCPRO;
}
void
float_to_string (buf, data)
unsigned char *buf;
double data;
{
unsigned char *cp;
int width;
if (data == data / 2 && data > 1.0)
{
strcpy (buf, "1.0e+INF");
return;
}
if (data == data / 2 && data < -1.0)
{
strcpy (buf, "-1.0e+INF");
return;
}
if (! (data * 0.0 >= 0.0))
{
int i;
union { double d; char c[sizeof (double)]; } u_data, u_minus_zero;
u_data.d = data;
u_minus_zero.d = - 0.0;
for (i = 0; i < sizeof (double); i++)
if (u_data.c[i] & u_minus_zero.c[i])
{
*buf++ = '-';
break;
}
strcpy (buf, "0.0e+NaN");
return;
}
if (NILP (Vfloat_output_format)
|| !STRINGP (Vfloat_output_format))
lose:
{
width = fabs (data) < DBL_MIN ? 1 : DBL_DIG;
do
sprintf (buf, "%.*g", width, data);
while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data);
}
else
{
cp = XSTRING (Vfloat_output_format)->data;
if (cp[0] != '%')
goto lose;
if (cp[1] != '.')
goto lose;
cp += 2;
width = -1;
if ('0' <= *cp && *cp <= '9')
{
width = 0;
do
width = (width * 10) + (*cp++ - '0');
while (*cp >= '0' && *cp <= '9');
if (width > DBL_DIG
|| (width == 0 && *cp != 'f'))
goto lose;
}
if (*cp != 'e' && *cp != 'f' && *cp != 'g')
goto lose;
if (cp[1] != 0)
goto lose;
sprintf (buf, XSTRING (Vfloat_output_format)->data, data);
}
if (width != 0)
{
for (cp = buf; *cp; cp++)
if ((*cp < '0' || *cp > '9') && *cp != '-')
break;
if (*cp == '.' && cp[1] == 0)
{
cp[1] = '0';
cp[2] = 0;
}
if (*cp == 0)
{
*cp++ = '.';
*cp++ = '0';
*cp++ = 0;
}
}
}
static void
print (obj, printcharfun, escapeflag)
Lisp_Object obj;
register Lisp_Object printcharfun;
int escapeflag;
{
print_depth = 0;
if (NILP (Vprint_continuous_numbering))
{
print_number_index = 0;
Vprint_number_table = Qnil;
}
if (!NILP (Vprint_gensym) || !NILP (Vprint_circle))
{
int i, start, index;
start = index = print_number_index;
print_preprocess (obj);
for (i = start; i < print_number_index; i++)
if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i)))
{
PRINT_NUMBER_OBJECT (Vprint_number_table, index)
= PRINT_NUMBER_OBJECT (Vprint_number_table, i);
PRINT_NUMBER_STATUS (Vprint_number_table, index) = Qnil;
index++;
}
print_number_index = index;
}
print_object (obj, printcharfun, escapeflag);
}
static void
print_preprocess (obj)
Lisp_Object obj;
{
int i, size;
loop:
if (STRINGP (obj) || CONSP (obj) || VECTORP (obj)
|| COMPILEDP (obj) || CHAR_TABLE_P (obj)
|| (! NILP (Vprint_gensym)
&& SYMBOLP (obj) && NILP (XSYMBOL (obj)->obarray)))
{
if (! NILP (Vprint_circle) || SYMBOLP (obj))
{
for (i = 0; i < print_number_index; i++)
if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj))
{
PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt;
return;
}
if (print_number_index == 0)
{
Vprint_number_table = Fmake_vector (make_number (40), Qnil);
}
else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2)
{
int i = print_number_index * 4;
Lisp_Object old_table = Vprint_number_table;
Vprint_number_table = Fmake_vector (make_number (i), Qnil);
for (i = 0; i < print_number_index; i++)
{
PRINT_NUMBER_OBJECT (Vprint_number_table, i)
= PRINT_NUMBER_OBJECT (old_table, i);
PRINT_NUMBER_STATUS (Vprint_number_table, i)
= PRINT_NUMBER_STATUS (old_table, i);
}
}
PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj;
if (! NILP (Vprint_continuous_numbering) && SYMBOLP (obj)
&& NILP (XSYMBOL (obj)->obarray))
PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt;
print_number_index++;
}
switch (XGCTYPE (obj))
{
case Lisp_String:
traverse_intervals (XSTRING (obj)->intervals, 0, 0,
print_preprocess_string, Qnil);
break;
case Lisp_Cons:
print_preprocess (XCAR (obj));
obj = XCDR (obj);
goto loop;
case Lisp_Vectorlike:
size = XVECTOR (obj)->size & PSEUDOVECTOR_SIZE_MASK;
for (i = 0; i < size; i++)
print_preprocess (XVECTOR (obj)->contents[i]);
break;
default:
break;
}
}
}
static void
print_preprocess_string (interval, arg)
INTERVAL interval;
Lisp_Object arg;
{
print_preprocess (interval->plist);
}
static void
print_object (obj, printcharfun, escapeflag)
Lisp_Object obj;
register Lisp_Object printcharfun;
int escapeflag;
{
char buf[30];
QUIT;
if (STRINGP (obj) || CONSP (obj) || VECTORP (obj)
|| COMPILEDP (obj) || CHAR_TABLE_P (obj)
|| (! NILP (Vprint_gensym)
&& SYMBOLP (obj) && NILP (XSYMBOL (obj)->obarray)))
{
if (NILP (Vprint_circle) && NILP (Vprint_gensym))
{
int i;
for (i = 0; i < print_depth; i++)
if (EQ (obj, being_printed[i]))
{
sprintf (buf, "#%d", i);
strout (buf, -1, -1, printcharfun, 0);
return;
}
being_printed[print_depth] = obj;
}
else
{
int i;
for (i = 0; i < print_number_index; i++)
if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj))
{
if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i)))
{
sprintf (buf, "#%d=", i + 1);
strout (buf, -1, -1, printcharfun, 0);
PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt;
break;
}
else
{
sprintf (buf, "#%d#", i + 1);
strout (buf, -1, -1, printcharfun, 0);
return;
}
}
}
}
print_depth++;
if (print_depth > PRINT_CIRCLE)
error ("Apparently circular structure being printed");
#ifdef MAX_PRINT_CHARS
if (max_print && print_chars > max_print)
{
PRINTCHAR ('\n');
print_chars = 0;
}
#endif
switch (XGCTYPE (obj))
{
case Lisp_Int:
if (sizeof (int) == sizeof (EMACS_INT))
sprintf (buf, "%d", XINT (obj));
else if (sizeof (long) == sizeof (EMACS_INT))
sprintf (buf, "%ld", (long) XINT (obj));
else
abort ();
strout (buf, -1, -1, printcharfun, 0);
break;
case Lisp_Float:
{
char pigbuf[350];
float_to_string (pigbuf, XFLOAT_DATA (obj));
strout (pigbuf, -1, -1, printcharfun, 0);
}
break;
case Lisp_String:
if (!escapeflag)
print_string (obj, printcharfun);
else
{
register int i, i_byte;
struct gcpro gcpro1;
unsigned char *str;
int size_byte;
int need_nonhex = 0;
GCPRO1 (obj);
if (!NULL_INTERVAL_P (XSTRING (obj)->intervals))
{
PRINTCHAR ('#');
PRINTCHAR ('(');
}
PRINTCHAR ('\"');
str = XSTRING (obj)->data;
size_byte = STRING_BYTES (XSTRING (obj));
for (i = 0, i_byte = 0; i_byte < size_byte;)
{
int len;
int c;
if (STRING_MULTIBYTE (obj))
{
c = STRING_CHAR_AND_LENGTH (str + i_byte,
size_byte - i_byte, len);
if (CHAR_VALID_P (c, 0))
i_byte += len;
else
c = str[i_byte++];
}
else
c = str[i_byte++];
QUIT;
if (c == '\n' && print_escape_newlines)
{
PRINTCHAR ('\\');
PRINTCHAR ('n');
}
else if (c == '\f' && print_escape_newlines)
{
PRINTCHAR ('\\');
PRINTCHAR ('f');
}
else if (! SINGLE_BYTE_CHAR_P (c) && print_escape_multibyte)
{
unsigned char outbuf[50];
sprintf (outbuf, "\\x%x", c);
strout (outbuf, -1, -1, printcharfun, 0);
need_nonhex = 1;
}
else if (SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c)
&& print_escape_nonascii)
{
unsigned char outbuf[5];
sprintf (outbuf, "\\%03o", c);
strout (outbuf, -1, -1, printcharfun, 0);
}
else
{
if (need_nonhex)
{
need_nonhex = 0;
if ((c >= 'a' && c <= 'f')
|| (c >= 'A' && c <= 'F')
|| (c >= '0' && c <= '9'))
strout ("\\ ", -1, -1, printcharfun, 0);
}
if (c == '\"' || c == '\\')
PRINTCHAR ('\\');
PRINTCHAR (c);
}
}
PRINTCHAR ('\"');
if (!NULL_INTERVAL_P (XSTRING (obj)->intervals))
{
traverse_intervals (XSTRING (obj)->intervals,
0, 0, print_interval, printcharfun);
PRINTCHAR (')');
}
UNGCPRO;
}
break;
case Lisp_Symbol:
{
register int confusing;
register unsigned char *p = XSYMBOL (obj)->name->data;
register unsigned char *end = p + STRING_BYTES (XSYMBOL (obj)->name);
register int c;
int i, i_byte, size_byte;
Lisp_Object name;
XSETSTRING (name, XSYMBOL (obj)->name);
if (p != end && (*p == '-' || *p == '+')) p++;
if (p == end)
confusing = 0;
else if (*p >= '0' && *p <= '9'
&& end[-1] >= '0' && end[-1] <= '9')
{
while (p != end && ((*p >= '0' && *p <= '9')
|| *p == 'e'))
p++;
confusing = (end == p);
}
else
confusing = 0;
if (! NILP (Vprint_gensym) && NILP (XSYMBOL (obj)->obarray))
{
PRINTCHAR ('#');
PRINTCHAR (':');
}
size_byte = STRING_BYTES (XSTRING (name));
for (i = 0, i_byte = 0; i_byte < size_byte;)
{
FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte);
QUIT;
if (escapeflag)
{
if (c == '\"' || c == '\\' || c == '\''
|| c == ';' || c == '#' || c == '(' || c == ')'
|| c == ',' || c =='.' || c == '`'
|| c == '[' || c == ']' || c == '?' || c <= 040
|| confusing)
PRINTCHAR ('\\'), confusing = 0;
}
PRINTCHAR (c);
}
}
break;
case Lisp_Cons:
if (INTEGERP (Vprint_level)
&& print_depth > XINT (Vprint_level))
strout ("...", -1, -1, printcharfun, 0);
else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj)))
&& (EQ (XCAR (obj), Qquote)))
{
PRINTCHAR ('\'');
print_object (XCAR (XCDR (obj)), printcharfun, escapeflag);
}
else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj)))
&& (EQ (XCAR (obj), Qfunction)))
{
PRINTCHAR ('#');
PRINTCHAR ('\'');
print_object (XCAR (XCDR (obj)), printcharfun, escapeflag);
}
else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj)))
&& ((EQ (XCAR (obj), Qbackquote)
|| EQ (XCAR (obj), Qcomma)
|| EQ (XCAR (obj), Qcomma_at)
|| EQ (XCAR (obj), Qcomma_dot))))
{
print_object (XCAR (obj), printcharfun, 0);
print_object (XCAR (XCDR (obj)), printcharfun, escapeflag);
}
else
{
PRINTCHAR ('(');
{
int print_length, i;
Lisp_Object halftail = obj;
if (NATNUMP (Vprint_length))
print_length = XFASTINT (Vprint_length);
else
print_length = 0;
i = 0;
while (CONSP (obj))
{
if (NILP (Vprint_circle))
{
if (i != 0 && EQ (obj, halftail))
{
sprintf (buf, " . #%d", i / 2);
strout (buf, -1, -1, printcharfun, 0);
goto end_of_list;
}
}
else
{
if (i != 0)
{
int i;
for (i = 0; i < print_number_index; i++)
if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i),
obj))
{
if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i)))
{
strout (" . ", 3, 3, printcharfun, 0);
print_object (obj, printcharfun, escapeflag);
}
else
{
sprintf (buf, " . #%d#", i + 1);
strout (buf, -1, -1, printcharfun, 0);
}
goto end_of_list;
}
}
}
if (i++)
PRINTCHAR (' ');
if (print_length && i > print_length)
{
strout ("...", 3, 3, printcharfun, 0);
goto end_of_list;
}
print_object (XCAR (obj), printcharfun, escapeflag);
obj = XCDR (obj);
if (!(i & 1))
halftail = XCDR (halftail);
}
}
if (!NILP (obj))
{
strout (" . ", 3, 3, printcharfun, 0);
print_object (obj, printcharfun, escapeflag);
}
end_of_list:
PRINTCHAR (')');
}
break;
case Lisp_Vectorlike:
if (PROCESSP (obj))
{
if (escapeflag)
{
strout ("#<process ", -1, -1, printcharfun, 0);
print_string (XPROCESS (obj)->name, printcharfun);
PRINTCHAR ('>');
}
else
print_string (XPROCESS (obj)->name, printcharfun);
}
else if (BOOL_VECTOR_P (obj))
{
register int i;
register unsigned char c;
struct gcpro gcpro1;
int size_in_chars
= (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
GCPRO1 (obj);
PRINTCHAR ('#');
PRINTCHAR ('&');
sprintf (buf, "%d", XBOOL_VECTOR (obj)->size);
strout (buf, -1, -1, printcharfun, 0);
PRINTCHAR ('\"');
if (NATNUMP (Vprint_length)
&& XFASTINT (Vprint_length) < size_in_chars)
size_in_chars = XFASTINT (Vprint_length);
for (i = 0; i < size_in_chars; i++)
{
QUIT;
c = XBOOL_VECTOR (obj)->data[i];
if (c == '\n' && print_escape_newlines)
{
PRINTCHAR ('\\');
PRINTCHAR ('n');
}
else if (c == '\f' && print_escape_newlines)
{
PRINTCHAR ('\\');
PRINTCHAR ('f');
}
else
{
if (c == '\"' || c == '\\')
PRINTCHAR ('\\');
PRINTCHAR (c);
}
}
PRINTCHAR ('\"');
UNGCPRO;
}
else if (SUBRP (obj))
{
strout ("#<subr ", -1, -1, printcharfun, 0);
strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0);
PRINTCHAR ('>');
}
else if (WINDOWP (obj))
{
strout ("#<window ", -1, -1, printcharfun, 0);
sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number));
strout (buf, -1, -1, printcharfun, 0);
if (!NILP (XWINDOW (obj)->buffer))
{
strout (" on ", -1, -1, printcharfun, 0);
print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun);
}
PRINTCHAR ('>');
}
else if (HASH_TABLE_P (obj))
{
struct Lisp_Hash_Table *h = XHASH_TABLE (obj);
strout ("#<hash-table", -1, -1, printcharfun, 0);
if (SYMBOLP (h->test))
{
PRINTCHAR (' ');
PRINTCHAR ('\'');
strout (XSYMBOL (h->test)->name->data, -1, -1, printcharfun, 0);
PRINTCHAR (' ');
strout (XSYMBOL (h->weak)->name->data, -1, -1, printcharfun, 0);
PRINTCHAR (' ');
sprintf (buf, "%d/%d", XFASTINT (h->count),
XVECTOR (h->next)->size);
strout (buf, -1, -1, printcharfun, 0);
}
sprintf (buf, " 0x%lx", (unsigned long) h);
strout (buf, -1, -1, printcharfun, 0);
PRINTCHAR ('>');
}
else if (BUFFERP (obj))
{
if (NILP (XBUFFER (obj)->name))
strout ("#<killed buffer>", -1, -1, printcharfun, 0);
else if (escapeflag)
{
strout ("#<buffer ", -1, -1, printcharfun, 0);
print_string (XBUFFER (obj)->name, printcharfun);
PRINTCHAR ('>');
}
else
print_string (XBUFFER (obj)->name, printcharfun);
}
else if (WINDOW_CONFIGURATIONP (obj))
{
strout ("#<window-configuration>", -1, -1, printcharfun, 0);
}
else if (FRAMEP (obj))
{
strout ((FRAME_LIVE_P (XFRAME (obj))
? "#<frame " : "#<dead frame "),
-1, -1, printcharfun, 0);
print_string (XFRAME (obj)->name, printcharfun);
sprintf (buf, " 0x%lx\\ ", (unsigned long) (XFRAME (obj)));
strout (buf, -1, -1, printcharfun, 0);
PRINTCHAR ('>');
}
else
{
int size = XVECTOR (obj)->size;
if (COMPILEDP (obj))
{
PRINTCHAR ('#');
size &= PSEUDOVECTOR_SIZE_MASK;
}
if (CHAR_TABLE_P (obj))
{
PRINTCHAR ('#');
PRINTCHAR ('^');
if (SUB_CHAR_TABLE_P (obj))
PRINTCHAR ('^');
size &= PSEUDOVECTOR_SIZE_MASK;
}
if (size & PSEUDOVECTOR_FLAG)
goto badtype;
PRINTCHAR ('[');
{
register int i;
register Lisp_Object tem;
int real_size = size;
if (NATNUMP (Vprint_length)
&& XFASTINT (Vprint_length) < size)
size = XFASTINT (Vprint_length);
for (i = 0; i < size; i++)
{
if (i) PRINTCHAR (' ');
tem = XVECTOR (obj)->contents[i];
print_object (tem, printcharfun, escapeflag);
}
if (size < real_size)
strout (" ...", 4, 4, printcharfun, 0);
}
PRINTCHAR (']');
}
break;
case Lisp_Misc:
switch (XMISCTYPE (obj))
{
case Lisp_Misc_Marker:
strout ("#<marker ", -1, -1, printcharfun, 0);
if (XMARKER (obj)->insertion_type != 0)
strout ("(before-insertion) ", -1, -1, printcharfun, 0);
if (!(XMARKER (obj)->buffer))
strout ("in no buffer", -1, -1, printcharfun, 0);
else
{
sprintf (buf, "at %d", marker_position (obj));
strout (buf, -1, -1, printcharfun, 0);
strout (" in ", -1, -1, printcharfun, 0);
print_string (XMARKER (obj)->buffer->name, printcharfun);
}
PRINTCHAR ('>');
break;
case Lisp_Misc_Overlay:
strout ("#<overlay ", -1, -1, printcharfun, 0);
if (!(XMARKER (OVERLAY_START (obj))->buffer))
strout ("in no buffer", -1, -1, printcharfun, 0);
else
{
sprintf (buf, "from %d to %d in ",
marker_position (OVERLAY_START (obj)),
marker_position (OVERLAY_END (obj)));
strout (buf, -1, -1, printcharfun, 0);
print_string (XMARKER (OVERLAY_START (obj))->buffer->name,
printcharfun);
}
PRINTCHAR ('>');
break;
case Lisp_Misc_Free:
strout ("#<misc free cell>", -1, -1, printcharfun, 0);
break;
case Lisp_Misc_Intfwd:
sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar);
strout (buf, -1, -1, printcharfun, 0);
break;
case Lisp_Misc_Boolfwd:
sprintf (buf, "#<boolfwd to %s>",
(*XBOOLFWD (obj)->boolvar ? "t" : "nil"));
strout (buf, -1, -1, printcharfun, 0);
break;
case Lisp_Misc_Objfwd:
strout ("#<objfwd to ", -1, -1, printcharfun, 0);
print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag);
PRINTCHAR ('>');
break;
case Lisp_Misc_Buffer_Objfwd:
strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0);
print_object (PER_BUFFER_VALUE (current_buffer,
XBUFFER_OBJFWD (obj)->offset),
printcharfun, escapeflag);
PRINTCHAR ('>');
break;
case Lisp_Misc_Kboard_Objfwd:
strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0);
print_object (*(Lisp_Object *)((char *) current_kboard
+ XKBOARD_OBJFWD (obj)->offset),
printcharfun, escapeflag);
PRINTCHAR ('>');
break;
case Lisp_Misc_Buffer_Local_Value:
strout ("#<buffer_local_value ", -1, -1, printcharfun, 0);
goto do_buffer_local;
case Lisp_Misc_Some_Buffer_Local_Value:
strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0);
do_buffer_local:
strout ("[realvalue] ", -1, -1, printcharfun, 0);
print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue,
printcharfun, escapeflag);
if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer)
strout ("[local in buffer] ", -1, -1, printcharfun, 0);
else
strout ("[buffer] ", -1, -1, printcharfun, 0);
print_object (XBUFFER_LOCAL_VALUE (obj)->buffer,
printcharfun, escapeflag);
if (XBUFFER_LOCAL_VALUE (obj)->check_frame)
{
if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame)
strout ("[local in frame] ", -1, -1, printcharfun, 0);
else
strout ("[frame] ", -1, -1, printcharfun, 0);
print_object (XBUFFER_LOCAL_VALUE (obj)->frame,
printcharfun, escapeflag);
}
strout ("[alist-elt] ", -1, -1, printcharfun, 0);
print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr),
printcharfun, escapeflag);
strout ("[default-value] ", -1, -1, printcharfun, 0);
print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr),
printcharfun, escapeflag);
PRINTCHAR ('>');
break;
default:
goto badtype;
}
break;
default:
badtype:
{
strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0);
if (MISCP (obj))
sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj));
else if (VECTORLIKEP (obj))
sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size);
else
sprintf (buf, "(0x%02x)", (int) XTYPE (obj));
strout (buf, -1, -1, printcharfun, 0);
strout (" Save your buffers immediately and please report this bug>",
-1, -1, printcharfun, 0);
}
}
print_depth--;
}
void
print_interval (interval, printcharfun)
INTERVAL interval;
Lisp_Object printcharfun;
{
PRINTCHAR (' ');
print_object (make_number (interval->position), printcharfun, 1);
PRINTCHAR (' ');
print_object (make_number (interval->position + LENGTH (interval)),
printcharfun, 1);
PRINTCHAR (' ');
print_object (interval->plist, printcharfun, 1);
}
void
syms_of_print ()
{
Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook");
staticpro (&Qtemp_buffer_setup_hook);
DEFVAR_LISP ("standard-output", &Vstandard_output,
"Output stream `print' uses by default for outputting a character.\n\
This may be any function of one argument.\n\
It may also be a buffer (output is inserted before point)\n\
or a marker (output is inserted and the marker is advanced)\n\
or the symbol t (output appears in the echo area).");
Vstandard_output = Qt;
Qstandard_output = intern ("standard-output");
staticpro (&Qstandard_output);
DEFVAR_LISP ("float-output-format", &Vfloat_output_format,
"The format descriptor string used to print floats.\n\
This is a %-spec like those accepted by `printf' in C,\n\
but with some restrictions. It must start with the two characters `%.'.\n\
After that comes an integer precision specification,\n\
and then a letter which controls the format.\n\
The letters allowed are `e', `f' and `g'.\n\
Use `e' for exponential notation \"DIG.DIGITSeEXPT\"\n\
Use `f' for decimal point notation \"DIGITS.DIGITS\".\n\
Use `g' to choose the shorter of those two formats for the number at hand.\n\
The precision in any of these cases is the number of digits following\n\
the decimal point. With `f', a precision of 0 means to omit the\n\
decimal point. 0 is not allowed with `e' or `g'.\n\n\
A value of nil means to use the shortest notation\n\
that represents the number without losing information.");
Vfloat_output_format = Qnil;
Qfloat_output_format = intern ("float-output-format");
staticpro (&Qfloat_output_format);
DEFVAR_LISP ("print-length", &Vprint_length,
"Maximum length of list to print before abbreviating.\n\
A value of nil means no limit. See also `eval-expression-print-length'.");
Vprint_length = Qnil;
DEFVAR_LISP ("print-level", &Vprint_level,
"Maximum depth of list nesting to print before abbreviating.\n\
A value of nil means no limit. See also `eval-expression-print-level'.");
Vprint_level = Qnil;
DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines,
"Non-nil means print newlines in strings as `\\n'.\n\
Also print formfeeds as `\\f'.");
print_escape_newlines = 0;
DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii,
"Non-nil means print unibyte non-ASCII chars in strings as \\OOO.\n\
\(OOO is the octal representation of the character code.)\n\
Only single-byte characters are affected, and only in `prin1'.");
print_escape_nonascii = 0;
DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte,
"Non-nil means print multibyte characters in strings as \\xXXXX.\n\
\(XXXX is the hex representation of the character code.)\n\
This affects only `prin1'.");
print_escape_multibyte = 0;
DEFVAR_BOOL ("print-quoted", &print_quoted,
"Non-nil means print quoted forms with reader syntax.\n\
I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted\n\
forms print as in the new syntax.");
print_quoted = 0;
DEFVAR_LISP ("print-gensym", &Vprint_gensym,
"Non-nil means print uninterned symbols so they will read as uninterned.\n\
I.e., the value of (make-symbol \"foobar\") prints as #:foobar.\n\
When the uninterned symbol appears within a recursive data structure,\n\
and the symbol appears more than once, in addition use the #N# and #N=\n\
constructs as needed, so that multiple references to the same symbol are\n\
shared once again when the text is read back.");
Vprint_gensym = Qnil;
DEFVAR_LISP ("print-circle", &Vprint_circle,
"*Non-nil means print recursive structures using #N= and #N# syntax.\n\
If nil, printing proceeds recursively and may lead to\n\
`max-lisp-eval-depth' being exceeded or an error may occur:\n\
\"Apparently circular structure being printed.\" Also see\n\
`print-length' and `print-level'.\n\
If non-nil, shared substructures anywhere in the structure are printed\n\
with `#N=' before the first occurrence (in the order of the print\n\
representation) and `#N#' in place of each subsequent occurrence,\n\
where N is a positive decimal integer.");
Vprint_circle = Qnil;
DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering,
"*Non-nil means number continuously across print calls.\n\
This affects the numbers printed for #N= labels and #M# references.\n\
See also `print-circle', `print-gensym', and `print-number-table'.\n\
This variable should not be set with `setq'; bind it with a `let' instead.");
Vprint_continuous_numbering = Qnil;
DEFVAR_LISP ("print-number-table", &Vprint_number_table,
"A vector used internally to produce `#N=' labels and `#N#' references.\n\
The Lisp printer uses this vector to detect Lisp objects referenced more\n\
than once. When `print-continuous-numbering' is bound to t, you should\n\
probably also bind `print-number-table' to nil. This ensures that the\n\
value of `print-number-table' can be garbage-collected once the printing\n\
is done.");
Vprint_number_table = Qnil;
staticpro (&Vprin1_to_string_buffer);
defsubr (&Sprin1);
defsubr (&Sprin1_to_string);
defsubr (&Serror_message_string);
defsubr (&Sprinc);
defsubr (&Sprint);
defsubr (&Sterpri);
defsubr (&Swrite_char);
defsubr (&Sexternal_debugging_output);
Qexternal_debugging_output = intern ("external-debugging-output");
staticpro (&Qexternal_debugging_output);
Qprint_escape_newlines = intern ("print-escape-newlines");
staticpro (&Qprint_escape_newlines);
Qprint_escape_multibyte = intern ("print-escape-multibyte");
staticpro (&Qprint_escape_multibyte);
Qprint_escape_nonascii = intern ("print-escape-nonascii");
staticpro (&Qprint_escape_nonascii);
defsubr (&Swith_output_to_temp_buffer);
}