/* Lisp object printing and output streams.
- Copyright (C) 1985, 1986, 1988, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 1998
+ 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"
+#include <config.h>
#include <stdio.h>
-#undef NULL
#include "lisp.h"
#ifndef standalone
#include "buffer.h"
+#include "charset.h"
#include "frame.h"
#include "window.h"
#include "process.h"
#include "dispextern.h"
#include "termchar.h"
+#include "keyboard.h"
#endif /* not standalone */
#ifdef USE_TEXT_PROPERTIES
Lisp_Object Vstandard_output, Qstandard_output;
+/* These are used to print like we read. */
+extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction;
+
#ifdef LISP_FLOAT_TYPE
Lisp_Object Vfloat_output_format, Qfloat_output_format;
+
+/* Work around a problem that happens because math.h on hpux 7
+ defines two static variables--which, in Emacs, are not really static,
+ because `static' is defined as nothing. The problem is that they are
+ defined both here and in lread.c.
+ These macros prevent the name conflict. */
+#if defined (HPUX) && !defined (HPUX8)
+#define _MAXLDBL print_maxldbl
+#define _NMAXLDBL print_nmaxldbl
+#endif
+
+#include <math.h>
+
+#if STDC_HEADERS
+#include <float.h>
+#include <stdlib.h>
+#endif
+
+/* Default to values appropriate for IEEE floating point. */
+#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
+
+/* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits
+ needed to express a float without losing information.
+ The general-case formula is valid for the usual case, IEEE floating point,
+ but many compilers can't optimize the formula to an integer constant,
+ so make a special case for it. */
+#if FLT_RADIX == 2 && DBL_MANT_DIG == 53
+#define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */
+#else
+#define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG))))
+#endif
+
#endif /* LISP_FLOAT_TYPE */
/* Avoid actual stack overflow in print. */
#define PRINT_CIRCLE 200
Lisp_Object being_printed[PRINT_CIRCLE];
+/* When printing into a buffer, first we put the text in this
+ block, then insert it all at once. */
+char *print_buffer;
+
+/* Size allocated in print_buffer. */
+int print_buffer_size;
+/* Chars stored in print_buffer. */
+int print_buffer_pos;
+/* Bytes stored in print_buffer. */
+int print_buffer_pos_byte;
+
/* Maximum length of list to print in full; noninteger means
effectively infinity */
Lisp_Object Qprint_escape_newlines;
-/* Nonzero means print newline before next minibuffer message.
+/* Nonzero means print (quote foo) forms as 'foo, etc. */
+
+int print_quoted;
+
+/* Non-nil means print #: before uninterned symbols.
+ Neither t nor nil means so that and don't clear Vprint_gensym_alist
+ on entry to and exit from print functions. */
+
+Lisp_Object Vprint_gensym;
+
+/* Association list of certain objects that are `eq' in the form being
+ printed and which should be `eq' when read back in, using the #n=object
+ and #n# reader forms. Each element has the form (object . n). */
+
+Lisp_Object Vprint_gensym_alist;
+
+/* Nonzero means print newline to stdout before next minibuffer message.
Defined in xdisp.c */
extern int noninteractive_need_newline;
+
+extern int minibuffer_auto_raise;
+
#ifdef MAX_PRINT_CHARS
static int print_chars;
static int max_print;
}
#endif
\f
-/* Low level output routines for charaters and strings */
+/* Low level output routines for characters and strings */
/* Lisp functions to do output using a stream
- must have the stream in a variable called printcharfun
- and must start with PRINTPREPARE and end with PRINTFINISH.
- Use PRINTCHAR to output one character,
- or call strout to output a block of characters.
- Also, each one must have the declarations
- struct buffer *old = current_buffer;
- int old_point = -1, start_point;
- Lisp_Object original;
+ must have the stream in a variable called printcharfun
+ and must start with PRINTPREPARE, end with PRINTFINISH,
+ and use PRINTDECLARE to declare common variables.
+ Use PRINTCHAR to output one character,
+ or call strout to output a block of characters.
*/
-#define PRINTPREPARE \
- original = printcharfun; \
- if (NILP (printcharfun)) printcharfun = Qt; \
- if (XTYPE (printcharfun) == Lisp_Buffer) \
- { if (XBUFFER (printcharfun) != current_buffer) Fset_buffer (printcharfun); \
- printcharfun = Qnil;}\
- if (XTYPE (printcharfun) == Lisp_Marker) \
- { if (XMARKER (original)->buffer != current_buffer) \
- set_buffer_internal (XMARKER (original)->buffer); \
- old_point = point; \
- SET_PT (marker_position (printcharfun)); \
- start_point = point; \
- printcharfun = Qnil;}
-
-#define PRINTFINISH \
- if (XTYPE (original) == Lisp_Marker) \
- Fset_marker (original, make_number (point), Qnil); \
- if (old_point >= 0) \
- SET_PT ((old_point >= start_point ? point - start_point : 0) + old_point); \
- if (old != current_buffer) \
- set_buffer_internal (old)
+#define PRINTDECLARE \
+ struct buffer *old = current_buffer; \
+ int old_point = -1, start_point; \
+ int old_point_byte, start_point_byte; \
+ int specpdl_count = specpdl_ptr - specpdl; \
+ int free_print_buffer = 0; \
+ 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 (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 (!CONSP (Vprint_gensym)) \
+ Vprint_gensym_alist = Qnil
+
+#define PRINTFINISH \
+ if (NILP (printcharfun)) \
+ 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); \
+ if (!CONSP (Vprint_gensym)) \
+ Vprint_gensym_alist = Qnil
#define PRINTCHAR(ch) printchar (ch, printcharfun)
-/* Index of first unused element of FRAME_MESSAGE_BUF(selected_frame). */
+/* Nonzero if there is no room to print any more characters
+ so print might as well return right away. */
+
+#define PRINTFULLP() \
+ (EQ (printcharfun, Qt) && !noninteractive \
+ && printbufidx >= FRAME_WIDTH (XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window)))))
+
+/* This is used to restore the saved contents of print_buffer
+ when there is a recursive call to print. */
+static Lisp_Object
+print_unwind (saved_text)
+ Lisp_Object saved_text;
+{
+ bcopy (XSTRING (saved_text)->data, print_buffer, XSTRING (saved_text)->size);
+}
+
+/* Index of first unused element of FRAME_MESSAGE_BUF (mini_frame). */
static int printbufidx;
static void
printchar (ch, fun)
- unsigned char ch;
+ unsigned int ch;
Lisp_Object fun;
{
Lisp_Object ch1;
#ifndef standalone
if (EQ (fun, Qnil))
{
+ int len;
+ unsigned char work[4], *str;
+
QUIT;
- insert (&ch, 1);
+ len = CHAR_STRING (ch, work, str);
+ 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;
return;
}
if (EQ (fun, Qt))
{
+ FRAME_PTR mini_frame
+ = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window)));
+ unsigned char work[4], *str;
+ int len = CHAR_STRING (ch, work, str);
+
+ QUIT;
+
if (noninteractive)
{
- putchar (ch);
+ while (len--)
+ putchar (*str), str++;
noninteractive_need_newline = 1;
return;
}
- if (echo_area_glyphs != FRAME_MESSAGE_BUF (selected_frame)
+ if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame)
|| !message_buf_print)
{
- echo_area_glyphs = FRAME_MESSAGE_BUF (selected_frame);
+ message_log_maybe_newline ();
+ echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame);
printbufidx = 0;
+ echo_area_glyphs_length = 0;
message_buf_print = 1;
+
+ if (minibuffer_auto_raise)
+ {
+ Lisp_Object mini_window;
+
+ /* Get the frame containing the minibuffer
+ that the selected frame is using. */
+ mini_window = FRAME_MINIBUF_WINDOW (selected_frame);
+
+ Fraise_frame (WINDOW_FRAME (XWINDOW (mini_window)));
+ }
+ }
+
+ message_dolog (str, len, 0, len > 1);
+
+ /* Convert message to multibyte if we are now adding multibyte text. */
+ if (! NILP (current_buffer->enable_multibyte_characters)
+ && ! message_enable_multibyte
+ && printbufidx > 0)
+ {
+ int size = count_size_as_multibyte (FRAME_MESSAGE_BUF (mini_frame),
+ printbufidx);
+ unsigned char *tembuf = (unsigned char *) alloca (size + 1);
+ copy_text (FRAME_MESSAGE_BUF (mini_frame), tembuf, printbufidx,
+ 0, 1);
+ printbufidx = size;
+ if (printbufidx > FRAME_MESSAGE_BUF_SIZE (mini_frame))
+ {
+ printbufidx = FRAME_MESSAGE_BUF_SIZE (mini_frame);
+ /* Rewind incomplete multi-byte form. */
+ while (printbufidx > 0 && tembuf[printbufidx] >= 0xA0)
+ printbufidx--;
+ }
+ bcopy (tembuf, FRAME_MESSAGE_BUF (mini_frame), printbufidx);
+ message_enable_multibyte = 1;
}
- if (printbufidx < FRAME_WIDTH (selected_frame) - 1)
- FRAME_MESSAGE_BUF (selected_frame)[printbufidx++] = ch;
- FRAME_MESSAGE_BUF (selected_frame)[printbufidx] = 0;
+ if (printbufidx < FRAME_MESSAGE_BUF_SIZE (mini_frame) - len)
+ bcopy (str, &FRAME_MESSAGE_BUF (mini_frame)[printbufidx], len),
+ printbufidx += len;
+ FRAME_MESSAGE_BUF (mini_frame)[printbufidx] = 0;
+ echo_area_glyphs_length = printbufidx;
return;
}
#endif /* not standalone */
- XFASTINT (ch1) = ch;
+ XSETFASTINT (ch1, ch);
call1 (fun, ch1);
}
static void
-strout (ptr, size, printcharfun)
+strout (ptr, size, size_byte, printcharfun, multibyte)
char *ptr;
- int size;
+ int size, size_byte;
Lisp_Object printcharfun;
+ int multibyte;
{
int i = 0;
+ if (size < 0)
+ size_byte = size = strlen (ptr);
+
if (EQ (printcharfun, Qnil))
{
- insert (ptr, size >= 0 ? size : strlen (ptr));
+ 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 >= 0 ? size : strlen(ptr);
+ print_chars += size;
#endif /* MAX_PRINT_CHARS */
return;
}
if (EQ (printcharfun, Qt))
{
- i = size >= 0 ? size : strlen (ptr);
+ FRAME_PTR mini_frame
+ = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window)));
+
+ QUIT;
+
#ifdef MAX_PRINT_CHARS
if (max_print)
- print_chars += i;
+ print_chars += size;
#endif /* MAX_PRINT_CHARS */
if (noninteractive)
{
- fwrite (ptr, 1, i, stdout);
+ fwrite (ptr, 1, size_byte, stdout);
noninteractive_need_newline = 1;
return;
}
- if (echo_area_glyphs != FRAME_MESSAGE_BUF (selected_frame)
+ if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame)
|| !message_buf_print)
{
- echo_area_glyphs = FRAME_MESSAGE_BUF (selected_frame);
+ message_log_maybe_newline ();
+ echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame);
printbufidx = 0;
+ echo_area_glyphs_length = 0;
message_buf_print = 1;
+
+ if (minibuffer_auto_raise)
+ {
+ Lisp_Object mini_window;
+
+ /* Get the frame containing the minibuffer
+ that the selected frame is using. */
+ mini_window = FRAME_MINIBUF_WINDOW (selected_frame);
+
+ Fraise_frame (WINDOW_FRAME (XWINDOW (mini_window)));
+ }
}
- if (i > FRAME_WIDTH (selected_frame) - printbufidx - 1)
- i = FRAME_WIDTH (selected_frame) - printbufidx - 1;
- bcopy (ptr, &FRAME_MESSAGE_BUF (selected_frame) [printbufidx], i);
- printbufidx += i;
- FRAME_MESSAGE_BUF (selected_frame) [printbufidx] = 0;
+ message_dolog (ptr, size_byte, 0, multibyte);
+
+ /* Convert message to multibyte if we are now adding multibyte text. */
+ if (multibyte
+ && ! message_enable_multibyte
+ && printbufidx > 0)
+ {
+ int size = count_size_as_multibyte (FRAME_MESSAGE_BUF (mini_frame),
+ printbufidx);
+ unsigned char *tembuf = (unsigned char *) alloca (size + 1);
+ copy_text (FRAME_MESSAGE_BUF (mini_frame), tembuf, printbufidx,
+ 0, 1);
+ printbufidx = size;
+ if (printbufidx > FRAME_MESSAGE_BUF_SIZE (mini_frame))
+ {
+ printbufidx = FRAME_MESSAGE_BUF_SIZE (mini_frame);
+ /* Rewind incomplete multi-byte form. */
+ while (printbufidx > 0 && tembuf[printbufidx] >= 0xA0)
+ printbufidx--;
+ }
+
+ bcopy (tembuf, FRAME_MESSAGE_BUF (mini_frame), printbufidx);
+ message_enable_multibyte = 1;
+ }
+
+ /* Compute how much of the new text will fit there. */
+ if (size_byte > FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1)
+ {
+ size_byte = FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1;
+ /* Rewind incomplete multi-byte form. */
+ while (size_byte && (unsigned char) ptr[size_byte] >= 0xA0)
+ size_byte--;
+ }
+
+ /* Put that part of the new text in. */
+ bcopy (ptr, &FRAME_MESSAGE_BUF (mini_frame) [printbufidx], size_byte);
+ printbufidx += size_byte;
+ FRAME_MESSAGE_BUF (mini_frame) [printbufidx] = 0;
+ echo_area_glyphs_length = printbufidx;
return;
}
- if (size >= 0)
- while (i < size)
- PRINTCHAR (ptr[i++]);
+ i = 0;
+ if (size == size_byte)
+ while (i < size_byte)
+ {
+ int ch = ptr[i++];
+
+ PRINTCHAR (ch);
+ }
else
- while (ptr[i])
- PRINTCHAR (ptr[i++]);
+ while (i < size_byte)
+ {
+ /* Here, we must convert each multi-byte form to the
+ corresponding character code before handing it to PRINTCHAR. */
+ int len;
+ int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len);
+
+ PRINTCHAR (ch);
+ i += len;
+ }
}
/* Print the contents of a string STRING using PRINTCHARFUN.
- It isn't safe to use strout, because printing one char can relocate. */
+ It isn't safe to use strout in many cases,
+ because printing one char can relocate. */
+static void
print_string (string, printcharfun)
Lisp_Object string;
Lisp_Object printcharfun;
{
- if (EQ (printcharfun, Qnil) || EQ (printcharfun, Qt))
- /* In predictable cases, strout is safe: output to buffer or frame. */
- strout (XSTRING (string)->data, XSTRING (string)->size, printcharfun);
+ if (EQ (printcharfun, Qt) || NILP (printcharfun))
+ /* strout is safe for output to a frame (echo area) or to print_buffer. */
+ strout (XSTRING (string)->data,
+ XSTRING (string)->size,
+ STRING_BYTES (XSTRING (string)),
+ printcharfun, STRING_MULTIBYTE (string));
else
{
- /* Otherwise, fetch the string address for each character. */
+ /* Otherwise, string may be relocated by printing one char.
+ So re-fetch the string address for each character. */
int i;
int size = XSTRING (string)->size;
+ int size_byte = STRING_BYTES (XSTRING (string));
struct gcpro gcpro1;
GCPRO1 (string);
- for (i = 0; i < size; i++)
- PRINTCHAR (XSTRING (string)->data[i]);
+ if (size == size_byte)
+ for (i = 0; i < size; i++)
+ PRINTCHAR (XSTRING (string)->data[i]);
+ else
+ for (i = 0; i < size_byte; i++)
+ {
+ /* Here, we must convert each multi-byte form to the
+ corresponding character code before handing it to PRINTCHAR. */
+ int len;
+ int ch = STRING_CHAR_AND_LENGTH (XSTRING (string)->data + i,
+ size_byte - i, len);
+
+ PRINTCHAR (ch);
+ i += len;
+ }
UNGCPRO;
}
}
\f
DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0,
- "Output character CHAR to stream STREAM.\n\
-STREAM defaults to the value of `standard-output' (which see).")
- (ch, printcharfun)
- Lisp_Object ch, printcharfun;
+ "Output character CHARACTER to stream PRINTCHARFUN.\n\
+PRINTCHARFUN defaults to the value of `standard-output' (which see).")
+ (character, printcharfun)
+ Lisp_Object character, printcharfun;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
+ PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
- CHECK_NUMBER (ch, 0);
+ CHECK_NUMBER (character, 0);
PRINTPREPARE;
- PRINTCHAR (XINT (ch));
+ PRINTCHAR (XINT (character));
PRINTFINISH;
- return ch;
+ return character;
}
-/* Used from outside of print.c to print a block of SIZE chars at DATA
- on the default output stream.
+/* Used from outside of print.c to print a block of SIZE
+ single-byte chars at DATA on the default output stream.
Do not use this on the contents of a Lisp string. */
+void
write_string (data, size)
char *data;
int size;
{
- struct buffer *old = current_buffer;
+ PRINTDECLARE;
Lisp_Object printcharfun;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
printcharfun = Vstandard_output;
PRINTPREPARE;
- strout (data, size, printcharfun);
+ strout (data, size, size, printcharfun, 0);
PRINTFINISH;
}
-/* Used from outside of print.c to print a block of SIZE chars at DATA
- on a specified stream PRINTCHARFUN.
+/* Used from outside of print.c to print a block of SIZE
+ single-byte chars at DATA on a specified stream PRINTCHARFUN.
Do not use this on the contents of a Lisp string. */
+void
write_string_1 (data, size, printcharfun)
char *data;
int size;
Lisp_Object printcharfun;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
+ PRINTDECLARE;
PRINTPREPARE;
- strout (data, size, printcharfun);
+ strout (data, size, size, printcharfun, 0);
PRINTFINISH;
}
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 ();
- XSET (buf, Lisp_Buffer, current_buffer);
+ XSETBUFFER (buf, current_buffer);
specbind (Qstandard_output, buf);
set_buffer_internal (old);
Lisp_Object
internal_with_output_to_temp_buffer (bufname, function, args)
char *bufname;
- Lisp_Object (*function) ();
+ 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);
}
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\
-If variable `temp-buffer-show-hook' is non-nil, call it at the end\n\
+If variable `temp-buffer-show-function' is non-nil, call it at the end\n\
to get the buffer displayed. It gets one argument, the buffer to display.")
(args)
Lisp_Object args;
static void print ();
DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0,
- "Output a newline to STREAM.\n\
-If STREAM is omitted or nil, the value of `standard-output' is used.")
+ "Output a newline to stream PRINTCHARFUN.\n\
+If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used.")
(printcharfun)
Lisp_Object printcharfun;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
+ PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
"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\
-Output stream is STREAM, or value of `standard-output' (which see).")
- (obj, printcharfun)
- Lisp_Object obj, printcharfun;
+Output stream is PRINTCHARFUN, or value of `standard-output' (which see).")
+ (object, printcharfun)
+ Lisp_Object object, printcharfun;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
+ PRINTDECLARE;
#ifdef MAX_PRINT_CHARS
max_print = 0;
printcharfun = Vstandard_output;
PRINTPREPARE;
print_depth = 0;
- print (obj, printcharfun, 1);
+ print (object, printcharfun, 1);
PRINTFINISH;
- return obj;
+ return object;
}
/* a buffer which is used to hold output being built by prin1-to-string */
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.")
- (obj, noescape)
- Lisp_Object obj, noescape;
+ (object, noescape)
+ Lisp_Object object, noescape;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original, printcharfun;
- struct gcpro gcpro1;
+ PRINTDECLARE;
+ Lisp_Object printcharfun;
+ struct gcpro gcpro1, gcpro2;
+ Lisp_Object tem;
+
+ /* Save and restore this--we are altering a buffer
+ but we don't want to deactivate the mark just for that.
+ No need for specbind, since errors deactivate the mark. */
+ tem = Vdeactivate_mark;
+ GCPRO2 (object, tem);
printcharfun = Vprin1_to_string_buffer;
PRINTPREPARE;
print_depth = 0;
- print (obj, printcharfun, NILP (noescape));
+ print (object, printcharfun, NILP (noescape));
/* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */
PRINTFINISH;
set_buffer_internal (XBUFFER (Vprin1_to_string_buffer));
- obj = Fbuffer_string ();
+ object = Fbuffer_string ();
- GCPRO1 (obj);
Ferase_buffer ();
set_buffer_internal (old);
+
+ Vdeactivate_mark = tem;
UNGCPRO;
- return obj;
+ 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\
-Output stream is STREAM, or value of standard-output (which see).")
- (obj, printcharfun)
- Lisp_Object obj, printcharfun;
+Output stream is PRINTCHARFUN, or value of standard-output (which see).")
+ (object, printcharfun)
+ Lisp_Object object, printcharfun;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
+ PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
PRINTPREPARE;
print_depth = 0;
- print (obj, printcharfun, 0);
+ print (object, printcharfun, 0);
PRINTFINISH;
- return obj;
+ 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\
-Output stream is STREAM, or value of `standard-output' (which see).")
- (obj, printcharfun)
- Lisp_Object obj, printcharfun;
+Output stream is PRINTCHARFUN, or value of `standard-output' (which see).")
+ (object, printcharfun)
+ Lisp_Object object, printcharfun;
{
- struct buffer *old = current_buffer;
- int old_point = -1;
- int start_point;
- Lisp_Object original;
+ PRINTDECLARE;
struct gcpro gcpro1;
#ifdef MAX_PRINT_CHARS
#endif /* MAX_PRINT_CHARS */
if (NILP (printcharfun))
printcharfun = Vstandard_output;
- GCPRO1 (obj);
+ GCPRO1 (object);
PRINTPREPARE;
print_depth = 0;
PRINTCHAR ('\n');
- print (obj, printcharfun, 1);
+ print (object, printcharfun, 1);
PRINTCHAR ('\n');
PRINTFINISH;
#ifdef MAX_PRINT_CHARS
print_chars = 0;
#endif /* MAX_PRINT_CHARS */
UNGCPRO;
- return obj;
+ return object;
}
/* The subroutine object for external-debugging-output is kept here
{
CHECK_NUMBER (character, 0);
putc (XINT (character), stderr);
-
+
+#ifdef WINDOWSNT
+ /* Send the output to a debugger (nothing happens if there isn't one). */
+ {
+ char buf[2] = {(char) XINT (character), '\0'};
+ OutputDebugString (buf);
+ }
+#endif
+
return character;
}
+
+/* This is the interface for debugging printing. */
+
+void
+debug_print (arg)
+ Lisp_Object arg;
+{
+ Fprin1 (arg, Qexternal_debugging_output);
+ fprintf (stderr, "\r\n");
+}
+\f
+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 original, printcharfun, value;
+ struct gcpro gcpro1;
+
+ /* If OBJ is (error STRING), just return STRING.
+ That is not only faster, it also avoids the need to allocate
+ space here when the error is due to memory full. */
+ if (CONSP (obj) && EQ (XCONS (obj)->car, Qerror)
+ && CONSP (XCONS (obj)->cdr)
+ && STRINGP (XCONS (XCONS (obj)->cdr)->car)
+ && NILP (XCONS (XCONS (obj)->cdr)->cdr))
+ return XCONS (XCONS (obj)->cdr)->car;
+
+ 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;
+}
+
+/* Print an error message for the error DATA
+ onto Lisp output stream STREAM (suitable for the print functions). */
+
+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
+ {
+ errmsg = Fget (errname, Qerror_message);
+ file_error = Fmemq (Qfile_error,
+ Fget (errname, Qerror_conditions));
+ }
+
+ /* Print an error message including the data items. */
+
+ tail = Fcdr_safe (data);
+ GCPRO1 (tail);
+
+ /* For file-error, make error message by concatenating
+ all the data items. They are all strings. */
+ if (!NILP (file_error) && !NILP (tail))
+ errmsg = XCONS (tail)->car, tail = XCONS (tail)->cdr;
+
+ if (STRINGP (errmsg))
+ Fprinc (errmsg, stream);
+ else
+ write_string_1 ("peculiar error", -1, stream);
+
+ for (i = 0; CONSP (tail); tail = Fcdr (tail), i++)
+ {
+ write_string_1 (i ? ", " : ": ", 2, stream);
+ if (!NILP (file_error))
+ Fprinc (Fcar (tail), stream);
+ else
+ Fprin1 (Fcar (tail), stream);
+ }
+ UNGCPRO;
+}
\f
#ifdef LISP_FLOAT_TYPE
/*
* The buffer should be at least as large as the max string size of the
- * largest float, printed in the biggest notation. This is undoubtably
+ * largest float, printed in the biggest notation. This is undoubtedly
* 20d float_output_format, with the negative of the C-constant "HUGE"
* from <math.h>.
*
void
float_to_string (buf, data)
- char *buf;
+ unsigned char *buf;
double data;
{
- register unsigned char *cp, c;
- register int width;
+ unsigned char *cp;
+ int width;
+ /* Check for plus infinity in a way that won't lose
+ if there is no plus infinity. */
+ if (data == data / 2 && data > 1.0)
+ {
+ strcpy (buf, "1.0e+INF");
+ return;
+ }
+ /* Likewise for minus infinity. */
+ if (data == data / 2 && data < -1.0)
+ {
+ strcpy (buf, "-1.0e+INF");
+ return;
+ }
+ /* Check for NaN in a way that won't fail if there are no NaNs. */
+ if (! (data * 0.0 >= 0.0))
+ {
+ strcpy (buf, "0.0e+NaN");
+ return;
+ }
+
if (NILP (Vfloat_output_format)
- || XTYPE (Vfloat_output_format) != Lisp_String)
+ || !STRINGP (Vfloat_output_format))
lose:
- sprintf (buf, "%.20g", data);
+ {
+ /* Generate the fewest number of digits that represent the
+ floating point value without losing information.
+ The following method is simple but a bit slow.
+ For ideas about speeding things up, please see:
+
+ Guy L Steele Jr & Jon L White, How to print floating-point numbers
+ accurately. SIGPLAN notices 25, 6 (June 1990), 112-126.
+
+ Robert G Burger & R Kent Dybvig, Printing floating point numbers
+ quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */
+
+ width = fabs (data) < DBL_MIN ? 1 : DBL_DIG;
+ do
+ sprintf (buf, "%.*g", width, data);
+ while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data);
+ }
else /* oink oink */
{
/* Check that the spec we have is fully valid.
goto lose;
cp += 2;
- for (width = 0;
- ((c = *cp) >= '0' && c <= '9');
- cp++)
+
+ /* Check the width specification. */
+ width = -1;
+ if ('0' <= *cp && *cp <= '9')
{
- width *= 10;
- width += c - '0';
+ width = 0;
+ do
+ width = (width * 10) + (*cp++ - '0');
+ while (*cp >= '0' && *cp <= '9');
+
+ /* A precision of zero is valid only for %f. */
+ if (width > DBL_DIG
+ || (width == 0 && *cp != 'f'))
+ goto lose;
}
if (*cp != 'e' && *cp != 'f' && *cp != 'g')
goto lose;
- if (width < (*cp != 'e') || width > DBL_DIG)
- goto lose;
-
if (cp[1] != 0)
goto lose;
sprintf (buf, XSTRING (Vfloat_output_format)->data, data);
}
- /* Make sure there is a decimal point with digit after, or an exponent,
- so that the value is readable as a float. */
- for (cp = buf; *cp; cp++)
- if (*cp < '0' || *cp > '9')
- break;
-
- if (*cp == '.' && cp[1] == 0)
+ /* Make sure there is a decimal point with digit after, or an
+ exponent, so that the value is readable as a float. But don't do
+ this with "%.0f"; it's valid for that not to produce a decimal
+ point. Note that width can be 0 only for %.0f. */
+ if (width != 0)
{
- cp[1] = '0';
- cp[2] = 0;
- }
+ for (cp = buf; *cp; cp++)
+ if ((*cp < '0' || *cp > '9') && *cp != '-')
+ break;
- if (*cp == 0)
- {
- *cp++ = '.';
- *cp++ = '0';
- *cp++ = 0;
+ if (*cp == '.' && cp[1] == 0)
+ {
+ cp[1] = '0';
+ cp[2] = 0;
+ }
+
+ if (*cp == 0)
+ {
+ *cp++ = '.';
+ *cp++ = '0';
+ *cp++ = 0;
+ }
}
}
#endif /* LISP_FLOAT_TYPE */
#if 1 /* I'm not sure this is really worth doing. */
/* Detect circularities and truncate them.
No need to offer any alternative--this is better than an error. */
- if (XTYPE (obj) == Lisp_Cons || XTYPE (obj) == Lisp_Vector
- || XTYPE (obj) == Lisp_Compiled)
+ if (CONSP (obj) || VECTORP (obj) || COMPILEDP (obj))
{
int i;
for (i = 0; i < print_depth; i++)
if (EQ (obj, being_printed[i]))
{
sprintf (buf, "#%d", i);
- strout (buf, -1, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
return;
}
}
}
#endif /* MAX_PRINT_CHARS */
-#ifdef SWITCH_ENUM_BUG
- switch ((int) XTYPE (obj))
-#else
- switch (XTYPE (obj))
-#endif
+ switch (XGCTYPE (obj))
{
- default:
- /* We're in trouble if this happens!
- Probably should just abort () */
- strout ("#<EMACS BUG: INVALID DATATYPE ", -1, printcharfun);
- sprintf (buf, "(#o%3o)", (int) XTYPE (obj));
- strout (buf, -1, printcharfun);
- strout (" Save your buffers immediately and please report this bug>",
- -1, printcharfun);
+ case Lisp_Int:
+ if (sizeof (int) == sizeof (EMACS_INT))
+ sprintf (buf, "%d", XINT (obj));
+ else if (sizeof (long) == sizeof (EMACS_INT))
+ sprintf (buf, "%ld", XINT (obj));
+ else
+ abort ();
+ strout (buf, -1, -1, printcharfun, 0);
break;
#ifdef LISP_FLOAT_TYPE
char pigbuf[350]; /* see comments in float_to_string */
float_to_string (pigbuf, XFLOAT(obj)->data);
- strout (pigbuf, -1, printcharfun);
+ strout (pigbuf, -1, -1, printcharfun, 0);
}
break;
-#endif /* LISP_FLOAT_TYPE */
-
- case Lisp_Int:
- sprintf (buf, "%d", XINT (obj));
- strout (buf, -1, printcharfun);
- break;
+#endif
case Lisp_String:
if (!escapeflag)
print_string (obj, printcharfun);
else
{
- register int i;
+ register int i, i_byte;
register unsigned char c;
struct gcpro gcpro1;
+ int size_byte;
+ /* 1 means we must ensure that the next character we output
+ cannot be taken as part of a hex character escape. */
+ int need_nonhex = 0;
GCPRO1 (obj);
#endif
PRINTCHAR ('\"');
- for (i = 0; i < XSTRING (obj)->size; i++)
+ size_byte = STRING_BYTES (XSTRING (obj));
+
+ for (i = 0, i_byte = 0; i_byte < size_byte;)
{
+ /* Here, we must convert each multi-byte form to the
+ corresponding character code before handing it to PRINTCHAR. */
+ int len;
+ int c;
+
+ if (STRING_MULTIBYTE (obj))
+ FETCH_STRING_CHAR_ADVANCE (c, obj, i, i_byte);
+ else
+ c = XSTRING (obj)->data[i_byte++];
+
QUIT;
- c = XSTRING (obj)->data[i];
+
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)
+ && NILP (current_buffer->enable_multibyte_characters)))
+ {
+ /* When multibyte is disabled,
+ print multibyte string chars using hex escapes. */
+ 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)
+ && ! NILP (current_buffer->enable_multibyte_characters))
+ {
+ /* When multibyte is enabled,
+ print single-byte non-ASCII string chars
+ using octal escapes. */
+ unsigned char outbuf[5];
+ sprintf (outbuf, "\\%03o", c);
+ strout (outbuf, -1, -1, printcharfun, 0);
+ }
else
{
+ /* If we just had a hex escape, and this character
+ could be taken as part of it,
+ output `\ ' to prevent that. */
+ 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);
#ifdef USE_TEXT_PROPERTIES
if (!NULL_INTERVAL_P (XSTRING (obj)->intervals))
{
- PRINTCHAR (' ');
traverse_intervals (XSTRING (obj)->intervals,
0, 0, print_interval, printcharfun);
PRINTCHAR (')');
{
register int confusing;
register unsigned char *p = XSYMBOL (obj)->name->data;
- register unsigned char *end = p + XSYMBOL (obj)->name->size;
- register unsigned char c;
+ 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)
+ if (p == end)
confusing = 0;
- else
+ /* If symbol name begins with a digit, and ends with a digit,
+ and contains nothing but digits and `e', it could be treated
+ as a number. So set CONFUSING.
+
+ Symbols that contain periods could also be taken as numbers,
+ but periods are always escaped, so we don't have to worry
+ about them here. */
+ else if (*p >= '0' && *p <= '9'
+ && end[-1] >= '0' && end[-1] <= '9')
{
- while (p != end && *p >= '0' && *p <= '9')
+ while (p != end && ((*p >= '0' && *p <= '9')
+ /* Needed for \2e10. */
+ || *p == 'e'))
p++;
confusing = (end == p);
}
+ else
+ confusing = 0;
- p = XSYMBOL (obj)->name->data;
- while (p != end)
+ /* If we print an uninterned symbol as part of a complex object and
+ the flag print-gensym is non-nil, prefix it with #n= to read the
+ object back with the #n# reader syntax later if needed. */
+ if (! NILP (Vprint_gensym) && NILP (XSYMBOL (obj)->obarray))
{
+ if (print_depth > 1)
+ {
+ Lisp_Object tem;
+ tem = Fassq (obj, Vprint_gensym_alist);
+ if (CONSP (tem))
+ {
+ PRINTCHAR ('#');
+ print (XCDR (tem), printcharfun, escapeflag);
+ PRINTCHAR ('#');
+ break;
+ }
+ else
+ {
+ if (CONSP (Vprint_gensym_alist))
+ XSETFASTINT (tem, XFASTINT (XCDR (XCAR (Vprint_gensym_alist))) + 1);
+ else
+ XSETFASTINT (tem, 1);
+ Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist);
+
+ PRINTCHAR ('#');
+ print (tem, printcharfun, escapeflag);
+ PRINTCHAR ('=');
+ }
+ }
+ PRINTCHAR ('#');
+ PRINTCHAR (':');
+ }
+
+ size_byte = STRING_BYTES (XSTRING (name));
+
+ for (i = 0, i_byte = 0; i_byte < size_byte;)
+ {
+ /* Here, we must convert each multi-byte form to the
+ corresponding character code before handing it to PRINTCHAR. */
+
+ if (STRING_MULTIBYTE (name))
+ FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte);
+ else
+ c = XSTRING (name)->data[i_byte++];
+
QUIT;
- c = *p++;
+
if (escapeflag)
{
- if (c == '\"' || c == '\\' || c == '\'' || c == ';' || c == '#' ||
- c == '(' || c == ')' || c == ',' || c =='.' || c == '`' ||
- c == '[' || c == ']' || c == '?' || c <= 040 || confusing)
+ if (c == '\"' || c == '\\' || c == '\''
+ || c == ';' || c == '#' || c == '(' || c == ')'
+ || c == ',' || c =='.' || c == '`'
+ || c == '[' || c == ']' || c == '?' || c <= 040
+ || confusing)
PRINTCHAR ('\\'), confusing = 0;
}
PRINTCHAR (c);
case Lisp_Cons:
/* If deeper than spec'd depth, print placeholder. */
- if (XTYPE (Vprint_level) == Lisp_Int
+ 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)))
{
- strout ("...", -1, printcharfun);
- break;
+ PRINTCHAR ('\'');
+ print (XCAR (XCDR (obj)), printcharfun, escapeflag);
}
-
- PRINTCHAR ('(');
- {
- register int i = 0;
- register int max = 0;
-
- if (XTYPE (Vprint_length) == Lisp_Int)
- max = XINT (Vprint_length);
- /* Could recognize circularities in cdrs here,
- but that would make printing of long lists quadratic.
- It's not worth doing. */
- while (CONSP (obj))
+ else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj)))
+ && (EQ (XCAR (obj), Qfunction)))
+ {
+ PRINTCHAR ('#');
+ PRINTCHAR ('\'');
+ print (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 (XCAR (obj), printcharfun, 0);
+ print (XCAR (XCDR (obj)), printcharfun, escapeflag);
+ }
+ else
+ {
+ PRINTCHAR ('(');
{
- if (i++)
- PRINTCHAR (' ');
- if (max && i > max)
+ register int i = 0;
+ register int print_length = 0;
+
+ if (INTEGERP (Vprint_length))
+ print_length = XINT (Vprint_length);
+ /* Could recognize circularities in cdrs here,
+ but that would make printing of long lists quadratic.
+ It's not worth doing. */
+ while (CONSP (obj))
{
- strout ("...", 3, printcharfun);
- break;
+ if (i++)
+ PRINTCHAR (' ');
+ if (print_length && i > print_length)
+ {
+ strout ("...", 3, 3, printcharfun, 0);
+ break;
+ }
+ print (XCAR (obj), printcharfun, escapeflag);
+ obj = XCDR (obj);
}
- print (Fcar (obj), printcharfun, escapeflag);
- obj = Fcdr (obj);
}
- }
- if (!NILP (obj) && !CONSP (obj))
- {
- strout (" . ", 3, printcharfun);
- print (obj, printcharfun, escapeflag);
+ if (!NILP (obj))
+ {
+ strout (" . ", 3, 3, printcharfun, 0);
+ print (obj, printcharfun, escapeflag);
+ }
+ PRINTCHAR (')');
}
- PRINTCHAR (')');
break;
- case Lisp_Compiled:
- strout ("#", -1, printcharfun);
- case Lisp_Vector:
- PRINTCHAR ('[');
- {
- register int i;
- register Lisp_Object tem;
- for (i = 0; i < XVECTOR (obj)->size; i++)
- {
- if (i) PRINTCHAR (' ');
- tem = XVECTOR (obj)->contents[i];
- print (tem, printcharfun, escapeflag);
- }
- }
- 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 ('\"');
+
+ /* Don't print more characters than the specified maximum. */
+ if (INTEGERP (Vprint_length)
+ && XINT (Vprint_length) < size_in_chars)
+ size_in_chars = XINT (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 ('>');
+ }
#ifndef standalone
- case Lisp_Buffer:
- if (NILP (XBUFFER (obj)->name))
- strout ("#<killed buffer>", -1, printcharfun);
- else if (escapeflag)
+ else if (WINDOWP (obj))
{
- strout ("#<buffer ", -1, printcharfun);
- print_string (XBUFFER (obj)->name, printcharfun);
+ 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
- print_string (XBUFFER (obj)->name, printcharfun);
- break;
-
- case Lisp_Process:
- if (escapeflag)
+ else if (BUFFERP (obj))
{
- strout ("#<process ", -1, printcharfun);
- print_string (XPROCESS (obj)->name, printcharfun);
+ 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 ('>');
}
+#endif /* not standalone */
else
- print_string (XPROCESS (obj)->name, printcharfun);
- break;
-
- case Lisp_Window:
- strout ("#<window ", -1, printcharfun);
- sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number));
- strout (buf, -1, printcharfun);
- if (!NILP (XWINDOW (obj)->buffer))
{
- strout (" on ", -1, printcharfun);
- print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun);
- }
- PRINTCHAR ('>');
- break;
+ int size = XVECTOR (obj)->size;
+ if (COMPILEDP (obj))
+ {
+ PRINTCHAR ('#');
+ size &= PSEUDOVECTOR_SIZE_MASK;
+ }
+ if (CHAR_TABLE_P (obj))
+ {
+ /* We print a char-table as if it were a vector,
+ lumping the parent and default slots in with the
+ character slots. But we add #^ as a prefix. */
+ PRINTCHAR ('#');
+ PRINTCHAR ('^');
+ if (SUB_CHAR_TABLE_P (obj))
+ PRINTCHAR ('^');
+ size &= PSEUDOVECTOR_SIZE_MASK;
+ }
+ if (size & PSEUDOVECTOR_FLAG)
+ goto badtype;
- case Lisp_Window_Configuration:
- strout ("#<window-configuration>", -1, printcharfun);
- break;
+ PRINTCHAR ('[');
+ {
+ register int i;
+ register Lisp_Object tem;
-#ifdef MULTI_FRAME
- case Lisp_Frame:
- strout ((FRAME_LIVE_P (XFRAME (obj))
- ? "#<frame " : "#<dead frame "),
- -1, printcharfun);
- print_string (XFRAME (obj)->name, printcharfun);
- sprintf (buf, " 0x%x", (unsigned int) (XFRAME (obj)));
- strout (buf, -1, printcharfun);
- strout (">", -1, printcharfun);
+ /* Don't print more elements than the specified maximum. */
+ if (INTEGERP (Vprint_length)
+ && XINT (Vprint_length) < size)
+ size = XINT (Vprint_length);
+
+ for (i = 0; i < size; i++)
+ {
+ if (i) PRINTCHAR (' ');
+ tem = XVECTOR (obj)->contents[i];
+ print (tem, printcharfun, escapeflag);
+ }
+ }
+ PRINTCHAR (']');
+ }
break;
-#endif /* MULTI_FRAME */
- case Lisp_Marker:
- strout ("#<marker ", -1, printcharfun);
- if (!(XMARKER (obj)->buffer))
- strout ("in no buffer", -1, printcharfun);
- else
+#ifndef standalone
+ case Lisp_Misc:
+ switch (XMISCTYPE (obj))
{
- sprintf (buf, "at %d", marker_position (obj));
- strout (buf, -1, printcharfun);
- strout (" in ", -1, printcharfun);
- print_string (XMARKER (obj)->buffer->name, printcharfun);
+ case Lisp_Misc_Marker:
+ strout ("#<marker ", -1, -1, printcharfun, 0);
+ /* Do you think this is necessary? */
+ 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;
+
+ /* Remaining cases shouldn't happen in normal usage, but let's print
+ them anyway for the benefit of the debugger. */
+ 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 (*XOBJFWD (obj)->objvar, printcharfun, escapeflag);
+ PRINTCHAR ('>');
+ break;
+
+ case Lisp_Misc_Buffer_Objfwd:
+ strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0);
+ print (*(Lisp_Object *)((char *)current_buffer
+ + XBUFFER_OBJFWD (obj)->offset),
+ printcharfun, escapeflag);
+ PRINTCHAR ('>');
+ break;
+
+ case Lisp_Misc_Kboard_Objfwd:
+ strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0);
+ print (*(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 (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 (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 (XBUFFER_LOCAL_VALUE (obj)->frame,
+ printcharfun, escapeflag);
+ }
+ strout ("[alist-elt] ", -1, -1, printcharfun, 0);
+ print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->car,
+ printcharfun, escapeflag);
+ strout ("[default-value] ", -1, -1, printcharfun, 0);
+ print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr,
+ printcharfun, escapeflag);
+ PRINTCHAR ('>');
+ break;
+
+ default:
+ goto badtype;
}
- PRINTCHAR ('>');
break;
#endif /* standalone */
- case Lisp_Subr:
- strout ("#<subr ", -1, printcharfun);
- strout (XSUBR (obj)->symbol_name, -1, printcharfun);
- PRINTCHAR ('>');
- break;
+ default:
+ badtype:
+ {
+ /* We're in trouble if this happens!
+ Probably should just abort () */
+ 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--;
INTERVAL interval;
Lisp_Object printcharfun;
{
+ PRINTCHAR (' ');
print (make_number (interval->position), printcharfun, 1);
PRINTCHAR (' ');
print (make_number (interval->position + LENGTH (interval)),
printcharfun, 1);
PRINTCHAR (' ');
print (interval->plist, printcharfun, 1);
- PRINTCHAR (' ');
}
#endif /* USE_TEXT_PROPERTIES */
void
syms_of_print ()
{
- staticpro (&Qprint_escape_newlines);
- Qprint_escape_newlines = intern ("print-escape-newlines");
-
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 minibuffer line).");
+or the symbol t (output appears in the echo area).");
Vstandard_output = Qt;
Qstandard_output = intern ("standard-output");
staticpro (&Qstandard_output);
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 `f' or `g'.\n\n\
-A value of nil means to use `%.20g'.");
+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);
Vprint_level = Qnil;
DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines,
- "Non-nil means print newlines in strings as backslash-n.");
+ "Non-nil means print newlines in strings as backslash-n.\n\
+Also print formfeeds as backslash-f.");
print_escape_newlines = 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 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 larger data structure,\n\
+in addition use the #...# and #...= constructs as needed,\n\
+so that multiple references to the same symbol are shared once again\n\
+when the text is read back.\n\
+\n\
+If the value of `print-gensym' is a cons cell, then in addition refrain from\n\
+clearing `print-gensym-alist' on entry to and exit from printing functions,\n\
+so that the use of #...# and #...= can carry over for several separately\n\
+printed objects.");
+ Vprint_gensym = Qnil;
+
+ DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist,
+ "Association list of elements (GENSYM . N) to guide use of #N# and #N=.\n\
+In each element, GENSYM is an uninterned symbol that has been associated\n\
+with #N= for the specified value of N.");
+ Vprint_gensym_alist = Qnil;
+
/* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */
staticpro (&Vprin1_to_string_buffer);
defsubr (&Sprin1);
defsubr (&Sprin1_to_string);
+ defsubr (&Serror_message_string);
defsubr (&Sprinc);
defsubr (&Sprint);
defsubr (&Sterpri);
Qexternal_debugging_output = intern ("external-debugging-output");
staticpro (&Qexternal_debugging_output);
+ Qprint_escape_newlines = intern ("print-escape-newlines");
+ staticpro (&Qprint_escape_newlines);
+
#ifndef standalone
defsubr (&Swith_output_to_temp_buffer);
#endif /* not standalone */
HCoop / bpt / emacs.git / blobdiff