/* Lisp object printing and output streams.
- Copyright (C) 1985, 86, 88, 93, 94, 95 Free Software Foundation, Inc.
+ Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 98, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
#include <stdio.h>
#include "lisp.h"
-
-#ifndef standalone
#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 "keyboard.h"
-#endif /* not standalone */
-
-#ifdef USE_TEXT_PROPERTIES
#include "intervals.h"
-#endif
Lisp_Object Vstandard_output, Qstandard_output;
+Lisp_Object Qtemp_buffer_setup_hook;
+
/* 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;
-#endif /* LISP_FLOAT_TYPE */
+
+/* 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>
+#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
/* Avoid actual stack overflow in print. */
int print_depth;
+/* Nonzero if inside outputting backquote in old style. */
+int old_backquote_output;
+
/* Detect most circularities to print finite output. */
#define PRINT_CIRCLE 200
Lisp_Object being_printed[PRINT_CIRCLE];
/* Size allocated in print_buffer. */
int print_buffer_size;
-/* Size used in print_buffer. */
+/* 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 */
int print_escape_newlines;
+/* Nonzero means to print single-byte non-ascii characters in strings as
+ octal escapes. */
+
+int print_escape_nonascii;
+
+/* Nonzero means to print multibyte characters in strings as hex escapes. */
+
+int print_escape_multibyte;
+
Lisp_Object Qprint_escape_newlines;
+Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii;
/* Nonzero means print (quote foo) forms as 'foo, etc. */
int print_quoted;
-/* Nonzero means print #: before uninterned symbols. */
+/* Non-nil means print #: before uninterned symbols. */
+
+Lisp_Object Vprint_gensym;
-int print_gensym;
+/* Non-nil means print recursive structures using #n= and #n# syntax. */
-/* 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_circle;
-Lisp_Object printed_gensyms;
+/* Non-nil means keep continuous number for #n= and #n# syntax
+ between several print functions. */
+
+Lisp_Object Vprint_continuous_numbering;
+
+/* Vprint_number_table is a vector like [OBJ1 STAT1 OBJ2 STAT2 ...],
+ where OBJn are objects going to be printed, and STATn are their status,
+ which may be different meanings during process. See the comments of
+ the functions print and print_preprocess for details.
+ print_number_index keeps the last position the next object should be added,
+ twice of which is the actual vector position in Vprint_number_table. */
+int print_number_index;
+Lisp_Object Vprint_number_table;
+
+/* PRINT_NUMBER_OBJECT returns the I'th object in Vprint_number_table TABLE.
+ PRINT_NUMBER_STATUS returns the status of the I'th object in TABLE.
+ See the comment of the variable 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]
/* 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 /* MAX_PRINT_CHARS */
void print_interval ();
-\f
-#if 0
-/* Convert between chars and GLYPHs */
-
-int
-glyphlen (glyphs)
- register GLYPH *glyphs;
-{
- register int i = 0;
-
- while (glyphs[i])
- i++;
- return i;
-}
-
-void
-str_to_glyph_cpy (str, glyphs)
- char *str;
- GLYPH *glyphs;
-{
- register GLYPH *gp = glyphs;
- register char *cp = str;
-
- while (*cp)
- *gp++ = *cp++;
-}
-
-void
-str_to_glyph_ncpy (str, glyphs, n)
- char *str;
- GLYPH *glyphs;
- register int n;
-{
- register GLYPH *gp = glyphs;
- register char *cp = str;
-
- while (n-- > 0)
- *gp++ = *cp++;
-}
-void
-glyph_to_str_cpy (glyphs, str)
- GLYPH *glyphs;
- char *str;
-{
- register GLYPH *gp = glyphs;
- register char *cp = str;
-
- while (*gp)
- *str++ = *gp++ & 0377;
-}
-#endif
\f
/* Low level output routines for characters and strings */
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 PRINTDECLARE \
- struct buffer *old = current_buffer; \
- int old_point = -1, start_point; \
- int specpdl_count = specpdl_ptr - specpdl; \
- int free_print_buffer = 0; \
+ or call strout to output a block of characters. */
+
+#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_INDEX (); \
+ 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; \
- SET_PT (marker_position (printcharfun)); \
- start_point = PT; \
- printcharfun = Qnil; \
- } \
- if (NILP (printcharfun)) \
- { \
- if (print_buffer != 0) \
- record_unwind_protect (print_unwind, \
- make_string (print_buffer, \
- print_buffer_pos)); \
- else \
- { \
- print_buffer_size = 1000; \
- print_buffer = (char *) xmalloc (print_buffer_size); \
- free_print_buffer = 1; \
- } \
- print_buffer_pos = 0; \
- } \
- printed_gensyms = Qnil
-
-#define PRINTFINISH \
- if (NILP (printcharfun)) \
- insert (print_buffer, print_buffer_pos); \
- if (free_print_buffer) \
- { \
- xfree (print_buffer); \
- print_buffer = 0; \
- } \
- unbind_to (specpdl_count, Qnil); \
- if (MARKERP (original)) \
- Fset_marker (original, make_number (PT), Qnil); \
- if (old_point >= 0) \
- SET_PT (old_point + (old_point >= start_point \
- ? PT - start_point : 0)); \
- if (old != current_buffer) \
- set_buffer_internal (old); \
- printed_gensyms = Qnil
+#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)
-/* 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);
+ bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text));
+ return Qnil;
}
-/* Index of first unused element of FRAME_MESSAGE_BUF (mini_frame). */
-static int printbufidx;
+
+/* Print character CH using method FUN. FUN nil means print to
+ print_buffer. FUN t means print to echo area or stdout if
+ non-interactive. If FUN is neither nil nor t, call FUN with CH as
+ argument. */
static void
printchar (ch, fun)
unsigned int ch;
Lisp_Object fun;
{
- Lisp_Object ch1;
-
#ifdef MAX_PRINT_CHARS
if (max_print)
print_chars++;
#endif /* MAX_PRINT_CHARS */
-#ifndef standalone
- if (EQ (fun, Qnil))
- {
- int len;
- char work[4], *str;
-
- QUIT;
- len = CHAR_STRING (ch, work, str);
- if (print_buffer_pos + len >= print_buffer_size)
- print_buffer = (char *) xrealloc (print_buffer,
- print_buffer_size *= 2);
- bcopy (str, print_buffer + print_buffer_pos, len);
- print_buffer_pos += len;
- return;
- }
- if (EQ (fun, Qt))
+ if (!NILP (fun) && !EQ (fun, Qt))
+ call1 (fun, make_number (ch));
+ else
{
- FRAME_PTR mini_frame
- = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window)));
- unsigned char work[4], *str;
- int len = CHAR_STRING (ch, work, str);
+ unsigned char str[MAX_MULTIBYTE_LENGTH];
+ int len = CHAR_STRING (ch, str);
QUIT;
-
- if (noninteractive)
+
+ 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)
{
- while (len--)
- putchar (*str), str++;
+ fwrite (str, 1, len, stdout);
noninteractive_need_newline = 1;
- return;
}
-
- if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame)
- || !message_buf_print)
+ else
{
- message_log_maybe_newline ();
- echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame);
- printbufidx = 0;
- echo_area_glyphs_length = 0;
- message_buf_print = 1;
+ 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);
}
-
- message_dolog (str, len, 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 */
-
- XSETFASTINT (ch1, ch);
- call1 (fun, ch1);
}
+
+/* Output SIZE characters, SIZE_BYTE bytes from string PTR using
+ method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for
+ both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to
+ print_buffer. PRINTCHARFUN t means output to the echo area or to
+ stdout if non-interactive. If neither nil nor t, call Lisp
+ function PRINTCHARFUN for each character printed. MULTIBYTE
+ non-zero means PTR contains multibyte characters. */
+
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 = strlen (ptr);
+ size_byte = size = strlen (ptr);
- if (EQ (printcharfun, Qnil))
+ if (NILP (printcharfun))
{
- if (print_buffer_pos + size > print_buffer_size)
+ if (print_buffer_pos_byte + size_byte > print_buffer_size)
{
- print_buffer_size = print_buffer_size * 2 + 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, 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 /* MAX_PRINT_CHARS */
- return;
}
- if (EQ (printcharfun, Qt))
+ else if (noninteractive && EQ (printcharfun, Qt))
{
- FRAME_PTR mini_frame
- = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window)));
-
- QUIT;
-
+ fwrite (ptr, 1, size_byte, stdout);
+ noninteractive_need_newline = 1;
+ }
+ else if (EQ (printcharfun, Qt))
+ {
+ /* Output to echo area. We're trying to avoid a little overhead
+ here, that's the reason we don't call printchar to do the
+ job. */
+ 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 /* MAX_PRINT_CHARS */
+ }
+ else
+ {
+ /* PRINTCHARFUN is a Lisp function. */
+ int i = 0;
- if (noninteractive)
- {
- fwrite (ptr, 1, size, stdout);
- noninteractive_need_newline = 1;
- return;
- }
-
- if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame)
- || !message_buf_print)
+ if (size == size_byte)
{
- message_log_maybe_newline ();
- echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame);
- printbufidx = 0;
- echo_area_glyphs_length = 0;
- message_buf_print = 1;
+ while (i < size_byte)
+ {
+ int ch = ptr[i++];
+ PRINTCHAR (ch);
+ }
}
-
- message_dolog (ptr, size, 0);
- if (size > FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1)
+ else
{
- size = FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1;
- /* Rewind incomplete multi-byte form. */
- while (size && (unsigned char) ptr[size] >= 0xA0) size--;
+ 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;
+ }
}
- bcopy (ptr, &FRAME_MESSAGE_BUF (mini_frame) [printbufidx], size);
- printbufidx += size;
- echo_area_glyphs_length = printbufidx;
- FRAME_MESSAGE_BUF (mini_frame) [printbufidx] = 0;
-
- return;
- }
-
- i = 0;
- while (i < size)
- {
- /* 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 - i, len);
-
- PRINTCHAR (ch);
- i += len;
}
}
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, Qt) || NILP (printcharfun))
- /* strout is safe for output to a frame (echo area) or to print_buffer. */
- strout (XSTRING (string)->data, XSTRING (string)->size, printcharfun);
+ {
+ int chars;
+
+ if (STRING_MULTIBYTE (string))
+ chars = SCHARS (string);
+ else if (EQ (printcharfun, Qt)
+ ? ! NILP (buffer_defaults.enable_multibyte_characters)
+ : ! NILP (current_buffer->enable_multibyte_characters))
+ {
+ /* If unibyte string STRING contains 8-bit codes, we must
+ convert STRING to a multibyte string containing the same
+ character codes. */
+ Lisp_Object newstr;
+ int bytes;
+
+ chars = SBYTES (string);
+ bytes = parse_str_to_multibyte (SDATA (string), chars);
+ if (chars < bytes)
+ {
+ newstr = make_uninit_multibyte_string (chars, bytes);
+ bcopy (SDATA (string), SDATA (newstr), chars);
+ str_to_multibyte (SDATA (newstr), bytes, chars);
+ string = newstr;
+ }
+ }
+ else
+ chars = SBYTES (string);
+
+ /* strout is safe for output to a frame (echo area) or to print_buffer. */
+ strout (SDATA (string),
+ chars, SBYTES (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 = SCHARS (string);
+ int size_byte = SBYTES (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 (SREF (string, 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 (SDATA (string) + i,
+ size_byte - i, len);
+ if (!CHAR_VALID_P (ch, 0))
+ {
+ ch = SREF (string, i);
+ len = 1;
+ }
+ PRINTCHAR (ch);
+ i += len;
+ }
UNGCPRO;
}
}
\f
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)
+ doc: /* Output character CHARACTER to stream PRINTCHARFUN.
+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);
+ CHECK_NUMBER (character);
PRINTPREPARE;
PRINTCHAR (XINT (character));
PRINTFINISH;
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;
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;
PRINTDECLARE;
PRINTPREPARE;
- strout (data, size, printcharfun);
+ strout (data, size, size, printcharfun, 0);
PRINTFINISH;
}
-#ifndef standalone
-
void
temp_output_buffer_setup (bufname)
- char *bufname;
+ const char *bufname;
{
+ int count = SPECPDL_INDEX ();
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)));
+ Fkill_all_local_variables ();
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);
- specbind (Qstandard_output, buf);
- set_buffer_internal (old);
+ Frun_hooks (1, &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) ();
+ const char *bufname;
+ Lisp_Object (*function) P_ ((Lisp_Object));
Lisp_Object args;
{
- int count = specpdl_ptr - specpdl;
+ int count = SPECPDL_INDEX ();
Lisp_Object buf, val;
struct gcpro gcpro1;
return unbind_to (count, val);
}
-DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer,
+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\
-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)
+ doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.
+The buffer is cleared out initially, and marked as unmodified when done.
+All output done by BODY is inserted in that buffer by default.
+The buffer is displayed in another window, but not selected.
+The value of the last form in BODY is returned.
+If BODY does not finish normally, the buffer BUFNAME is not displayed.
+
+The hook `temp-buffer-setup-hook' is run before BODY,
+with the buffer BUFNAME temporarily current.
+The hook `temp-buffer-show-hook' is run after the buffer is displayed,
+with the buffer temporarily current, and the window that was used
+to display it temporarily selected.
+
+If variable `temp-buffer-show-function' is non-nil, call it at the end
+to get the buffer displayed instead of just displaying the non-selected
+buffer and calling the hook. It gets one argument, the buffer to display.
+
+usage: (with-output-to-temp-buffer BUFFNAME BODY ...) */)
+ (args)
Lisp_Object args;
{
struct gcpro gcpro1;
Lisp_Object name;
- int count = specpdl_ptr - specpdl;
+ int count = SPECPDL_INDEX ();
Lisp_Object buf, val;
GCPRO1(args);
name = Feval (Fcar (args));
- UNGCPRO;
-
- CHECK_STRING (name, 0);
- temp_output_buffer_setup (XSTRING (name)->data);
+ CHECK_STRING (name);
+ temp_output_buffer_setup (SDATA (name));
buf = Vstandard_output;
+ UNGCPRO;
- val = Fprogn (Fcdr (args));
+ val = Fprogn (XCDR (args));
+ GCPRO1 (val);
temp_output_buffer_show (buf);
+ UNGCPRO;
return unbind_to (count, val);
}
-#endif /* not standalone */
+
\f
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.")
+ doc: /* Output a newline to stream PRINTCHARFUN.
+If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */)
(printcharfun)
Lisp_Object printcharfun;
{
}
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\
-Output stream is PRINTCHARFUN, or value of `standard-output' (which see).")
- (object, printcharfun)
+ doc: /* Output the printed representation of OBJECT, any Lisp object.
+Quoting characters are printed when needed to make output that `read'
+can handle, whenever this is possible. For complex objects, the behavior
+is controlled by `print-level' and `print-length', which see.
+
+OBJECT is any of the Lisp data types: a number, a string, a symbol,
+a list, a buffer, a window, a frame, etc.
+
+A printed representation of an object is text which describes that object.
+
+Optional argument PRINTCHARFUN is the output stream, which can be one
+of these:
+
+ - a buffer, in which case output is inserted into that buffer at point;
+ - a marker, in which case output is inserted at marker's position;
+ - a function, in which case that function is called once for each
+ character of OBJECT's printed representation;
+ - a symbol, in which case that symbol's function definition is called; or
+ - t, in which case the output is displayed in the echo area.
+
+If PRINTCHARFUN is omitted, the value of `standard-output' (which see)
+is used instead. */)
+ (object, printcharfun)
Lisp_Object object, printcharfun;
{
PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
PRINTPREPARE;
- print_depth = 0;
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.")
- (object, noescape)
+ doc: /* Return a string containing the printed representation of OBJECT.
+OBJECT can be any Lisp object. This function outputs quoting characters
+when necessary to make output that `read' can handle, whenever possible,
+unless the optional second argument NOESCAPE is non-nil.
+
+OBJECT is any of the Lisp data types: a number, a string, a symbol,
+a list, a buffer, a window, a frame, etc.
+
+A printed representation of an object is text which describes that object. */)
+ (object, noescape)
Lisp_Object object, noescape;
{
PRINTDECLARE;
printcharfun = Vprin1_to_string_buffer;
PRINTPREPARE;
- print_depth = 0;
print (object, printcharfun, NILP (noescape));
/* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */
PRINTFINISH;
}
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 PRINTCHARFUN, or value of standard-output (which see).")
- (object, printcharfun)
+ doc: /* Output the printed representation of OBJECT, any Lisp object.
+No quoting characters are used; no delimiters are printed around
+the contents of strings.
+
+OBJECT is any of the Lisp data types: a number, a string, a symbol,
+a list, a buffer, a window, a frame, etc.
+
+A printed representation of an object is text which describes that object.
+
+Optional argument PRINTCHARFUN is the output stream, which can be one
+of these:
+
+ - a buffer, in which case output is inserted into that buffer at point;
+ - a marker, in which case output is inserted at marker's position;
+ - a function, in which case that function is called once for each
+ character of OBJECT's printed representation;
+ - a symbol, in which case that symbol's function definition is called; or
+ - t, in which case the output is displayed in the echo area.
+
+If PRINTCHARFUN is omitted, the value of `standard-output' (which see)
+is used instead. */)
+ (object, printcharfun)
Lisp_Object object, printcharfun;
{
PRINTDECLARE;
if (NILP (printcharfun))
printcharfun = Vstandard_output;
PRINTPREPARE;
- print_depth = 0;
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\
-Output stream is PRINTCHARFUN, or value of `standard-output' (which see).")
- (object, printcharfun)
+ doc: /* Output the printed representation of OBJECT, with newlines around it.
+Quoting characters are printed when needed to make output that `read'
+can handle, whenever this is possible. For complex objects, the behavior
+is controlled by `print-level' and `print-length', which see.
+
+OBJECT is any of the Lisp data types: a number, a string, a symbol,
+a list, a buffer, a window, a frame, etc.
+
+A printed representation of an object is text which describes that object.
+
+Optional argument PRINTCHARFUN is the output stream, which can be one
+of these:
+
+ - a buffer, in which case output is inserted into that buffer at point;
+ - a marker, in which case output is inserted at marker's position;
+ - a function, in which case that function is called once for each
+ character of OBJECT's printed representation;
+ - a symbol, in which case that symbol's function definition is called; or
+ - t, in which case the output is displayed in the echo area.
+
+If PRINTCHARFUN is omitted, the value of `standard-output' (which see)
+is used instead. */)
+ (object, printcharfun)
Lisp_Object object, printcharfun;
{
PRINTDECLARE;
printcharfun = Vstandard_output;
GCPRO1 (object);
PRINTPREPARE;
- print_depth = 0;
PRINTCHAR ('\n');
print (object, printcharfun, 1);
PRINTCHAR ('\n');
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)
+ doc: /* Write CHARACTER to stderr.
+You can call print while debugging emacs, and pass it this function
+to make it write to the debugging output. */)
+ (character)
Lisp_Object character;
{
- CHECK_NUMBER (character, 0);
+ CHECK_NUMBER (character);
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;
}
\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)
+ doc: /* 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;
+ Lisp_Object 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;
+ 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, NULL);
+ print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil);
set_buffer_internal (XBUFFER (Vprin1_to_string_buffer));
value = Fbuffer_string ();
return value;
}
-/* Print an error message for the error DATA
- onto Lisp output stream STREAM (suitable for the print functions). */
+/* Print an error message for the error DATA onto Lisp output stream
+ STREAM (suitable for the print functions). */
-print_error_message (data, stream)
+void
+print_error_message (data, stream, context, caller)
Lisp_Object data, stream;
+ char *context;
+ Lisp_Object caller;
{
Lisp_Object errname, errmsg, file_error, tail;
struct gcpro gcpro1;
int i;
+ if (context != 0)
+ write_string_1 (context, -1, stream);
+
+ /* If we know from where the error was signaled, show it in
+ *Messages*. */
+ if (!NILP (caller) && SYMBOLP (caller))
+ {
+ const char *name = SDATA (SYMBOL_NAME (caller));
+ message_dolog (name, strlen (name), 0, 0);
+ message_dolog (": ", 2, 0, 0);
+ }
+
errname = Fcar (data);
if (EQ (errname, Qerror))
{
data = Fcdr (data);
- if (!CONSP (data)) data = Qnil;
+ if (!CONSP (data))
+ data = Qnil;
errmsg = Fcar (data);
file_error = Qnil;
}
else
{
+ Lisp_Object error_conditions;
errmsg = Fget (errname, Qerror_message);
- file_error = Fmemq (Qfile_error,
- Fget (errname, Qerror_conditions));
+ error_conditions = Fget (errname, Qerror_conditions);
+ file_error = Fmemq (Qfile_error, error_conditions);
}
/* Print an error message including the data items. */
/* 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 (!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 = Fcdr (tail), i++)
+ for (i = 0; CONSP (tail); tail = XCDR (tail), i++)
{
+ Lisp_Object obj;
+
write_string_1 (i ? ", " : ": ", 2, stream);
- if (!NILP (file_error))
- Fprinc (Fcar (tail), stream);
+ obj = XCAR (tail);
+ if (!NILP (file_error) || EQ (errname, Qend_of_file))
+ Fprinc (obj, stream);
else
- Fprin1 (Fcar (tail), stream);
+ Fprin1 (obj, stream);
}
+
UNGCPRO;
}
-\f
-#ifdef LISP_FLOAT_TYPE
+
+\f
/*
* The buffer should be at least as large as the max string size of the
* largest float, printed in the biggest notation. This is undoubtedly
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))
+ {
+ /* Prepend "-" if the NaN's sign bit is negative.
+ The sign bit of a double is the bit that is 1 in -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:
{
- sprintf (buf, "%.17g", data);
- width = -1;
+ /* 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.
This means not only valid for printf,
but meant for floats, and reasonable. */
- cp = XSTRING (Vfloat_output_format)->data;
+ cp = SDATA (Vfloat_output_format);
if (cp[0] != '%')
goto lose;
if (cp[1] != 0)
goto lose;
- sprintf (buf, XSTRING (Vfloat_output_format)->data, data);
+ sprintf (buf, SDATA (Vfloat_output_format), data);
}
/* Make sure there is a decimal point with digit after, or an
}
}
}
-#endif /* LISP_FLOAT_TYPE */
+
\f
static void
print (obj, printcharfun, escapeflag)
register Lisp_Object printcharfun;
int escapeflag;
{
- char buf[30];
+ print_depth = 0;
+ old_backquote_output = 0;
- QUIT;
+ /* Reset print_number_index and Vprint_number_table only when
+ the variable Vprint_continuous_numbering is nil. Otherwise,
+ the values of these variables will be kept between several
+ print functions. */
+ if (NILP (Vprint_continuous_numbering))
+ {
+ print_number_index = 0;
+ Vprint_number_table = Qnil;
+ }
-#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 (CONSP (obj) || VECTORP (obj) || COMPILEDP (obj))
+ /* Construct Vprint_number_table for print-gensym and print-circle. */
+ if (!NILP (Vprint_gensym) || !NILP (Vprint_circle))
{
- int i;
- for (i = 0; i < print_depth; i++)
- if (EQ (obj, being_printed[i]))
+ int i, start, index;
+ start = index = print_number_index;
+ /* Construct Vprint_number_table.
+ This increments print_number_index for the objects added. */
+ print_preprocess (obj);
+
+ /* Remove unnecessary objects, which appear only once in OBJ;
+ that is, whose status is Qnil. Compactify the necessary objects. */
+ for (i = start; i < print_number_index; i++)
+ if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i)))
{
- sprintf (buf, "#%d", i);
- strout (buf, -1, printcharfun);
- return;
+ PRINT_NUMBER_OBJECT (Vprint_number_table, index)
+ = PRINT_NUMBER_OBJECT (Vprint_number_table, i);
+ index++;
}
+
+ /* Clear out objects outside the active part of the table. */
+ for (i = index; i < print_number_index; i++)
+ PRINT_NUMBER_OBJECT (Vprint_number_table, i) = Qnil;
+
+ /* Reset the status field for the next print step. Now this
+ field means whether the object has already been printed. */
+ for (i = start; i < print_number_index; i++)
+ PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qnil;
+
+ print_number_index = index;
+ }
+
+ print_object (obj, printcharfun, escapeflag);
+}
+
+/* Construct Vprint_number_table according to the structure of OBJ.
+ OBJ itself and all its elements will be added to Vprint_number_table
+ recursively if it is a list, vector, compiled function, char-table,
+ string (its text properties will be traced), or a symbol that has
+ no obarray (this is for the print-gensym feature).
+ The status fields of Vprint_number_table mean whether each object appears
+ more than once in OBJ: Qnil at the first time, and Qt after that . */
+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)
+ && !SYMBOL_INTERNED_P (obj)))
+ {
+ /* In case print-circle is nil and print-gensym is t,
+ add OBJ to Vprint_number_table only when OBJ is a symbol. */
+ if (! NILP (Vprint_circle) || SYMBOLP (obj))
+ {
+ for (i = 0; i < print_number_index; i++)
+ if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj))
+ {
+ /* OBJ appears more than once. Let's remember that. */
+ PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt;
+ return;
+ }
+
+ /* OBJ is not yet recorded. Let's add to the table. */
+ if (print_number_index == 0)
+ {
+ /* Initialize the table. */
+ Vprint_number_table = Fmake_vector (make_number (40), Qnil);
+ }
+ else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2)
+ {
+ /* Reallocate the table. */
+ 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 Vprint_continuous_numbering is non-nil and OBJ is a gensym,
+ always print the gensym with a number. This is a special for
+ the lisp function byte-compile-output-docform. */
+ if (!NILP (Vprint_continuous_numbering)
+ && SYMBOLP (obj)
+ && !SYMBOL_INTERNED_P (obj))
+ PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt;
+ print_number_index++;
+ }
+
+ switch (XGCTYPE (obj))
+ {
+ case Lisp_String:
+ /* A string may have text properties, which can be circular. */
+ traverse_intervals_noorder (STRING_INTERVALS (obj),
+ 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;
+
+ /* Detect circularities and truncate them. */
+ if (STRINGP (obj) || CONSP (obj) || VECTORP (obj)
+ || COMPILEDP (obj) || CHAR_TABLE_P (obj)
+ || (! NILP (Vprint_gensym)
+ && SYMBOLP (obj)
+ && !SYMBOL_INTERNED_P (obj)))
+ {
+ if (NILP (Vprint_circle) && NILP (Vprint_gensym))
+ {
+ /* Simple but incomplete way. */
+ 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
+ {
+ /* With the print-circle feature. */
+ 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)))
+ {
+ /* Add a prefix #n= if OBJ has not yet been printed;
+ that is, its status field is nil. */
+ sprintf (buf, "#%d=", i + 1);
+ strout (buf, -1, -1, printcharfun, 0);
+ /* OBJ is going to be printed. Set the status to t. */
+ PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt;
+ break;
+ }
+ else
+ {
+ /* Just print #n# if OBJ has already been printed. */
+ sprintf (buf, "#%d#", i + 1);
+ strout (buf, -1, -1, printcharfun, 0);
+ return;
+ }
+ }
+ }
}
-#endif
- being_printed[print_depth] = obj;
print_depth++;
if (print_depth > PRINT_CIRCLE)
if (sizeof (int) == sizeof (EMACS_INT))
sprintf (buf, "%d", XINT (obj));
else if (sizeof (long) == sizeof (EMACS_INT))
- sprintf (buf, "%ld", XINT (obj));
+ sprintf (buf, "%ld", (long) XINT (obj));
else
abort ();
- strout (buf, -1, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
break;
-#ifdef LISP_FLOAT_TYPE
case Lisp_Float:
{
char pigbuf[350]; /* see comments in float_to_string */
- float_to_string (pigbuf, XFLOAT(obj)->data);
- strout (pigbuf, -1, printcharfun);
+ float_to_string (pigbuf, XFLOAT_DATA (obj));
+ strout (pigbuf, -1, -1, printcharfun, 0);
}
break;
-#endif
case Lisp_String:
if (!escapeflag)
print_string (obj, printcharfun);
else
{
- register int i;
- register unsigned char c;
+ register int i, i_byte;
struct gcpro gcpro1;
+ unsigned char *str;
+ 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;
+ int multibyte = STRING_MULTIBYTE (obj);
GCPRO1 (obj);
-#ifdef USE_TEXT_PROPERTIES
- if (!NULL_INTERVAL_P (XSTRING (obj)->intervals))
+ if (!NULL_INTERVAL_P (STRING_INTERVALS (obj)))
{
PRINTCHAR ('#');
PRINTCHAR ('(');
}
-#endif
PRINTCHAR ('\"');
- for (i = 0; i < XSTRING (obj)->size; i++)
+ str = SDATA (obj);
+ size_byte = SBYTES (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 (multibyte)
+ {
+ 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;
- c = XSTRING (obj)->data[i];
+
if (c == '\n' && print_escape_newlines)
{
PRINTCHAR ('\\');
PRINTCHAR ('\\');
PRINTCHAR ('f');
}
+ else if (multibyte
+ && ! ASCII_BYTE_P (c)
+ && (SINGLE_BYTE_CHAR_P (c) || print_escape_multibyte))
+ {
+ /* When multibyte is disabled,
+ print multibyte string chars using hex escapes.
+ For a char code that could be in a unibyte string,
+ when found in a multibyte string, always use a hex escape
+ so it reads back as multibyte. */
+ unsigned char outbuf[50];
+ sprintf (outbuf, "\\x%x", c);
+ strout (outbuf, -1, -1, printcharfun, 0);
+ need_nonhex = 1;
+ }
+ else if (! multibyte
+ && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c)
+ && print_escape_nonascii)
+ {
+ /* When printing in a multibyte buffer
+ or when explicitly requested,
+ 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);
}
PRINTCHAR ('\"');
-#ifdef USE_TEXT_PROPERTIES
- if (!NULL_INTERVAL_P (XSTRING (obj)->intervals))
+ if (!NULL_INTERVAL_P (STRING_INTERVALS (obj)))
{
- traverse_intervals (XSTRING (obj)->intervals,
- 0, 0, print_interval, printcharfun);
+ traverse_intervals (STRING_INTERVALS (obj),
+ 0, print_interval, printcharfun);
PRINTCHAR (')');
}
-#endif
UNGCPRO;
}
case Lisp_Symbol:
{
register int confusing;
- register unsigned char *p = XSYMBOL (obj)->name->data;
- register unsigned char *end = p + XSYMBOL (obj)->name->size;
- register unsigned char c;
- int i;
+ register unsigned char *p = SDATA (SYMBOL_NAME (obj));
+ register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj));
+ register int c;
+ int i, i_byte, size_byte;
+ Lisp_Object name;
+
+ name = SYMBOL_NAME (obj);
if (p != end && (*p == '-' || *p == '+')) p++;
if (p == end)
else
confusing = 0;
- /* 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 (print_gensym && NILP (XSYMBOL (obj)->obarray))
+ if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj))
{
- if (print_depth > 1)
- {
- Lisp_Object tem;
- tem = Fassq (obj, printed_gensyms);
- if (CONSP (tem))
- {
- PRINTCHAR ('#');
- print (XCDR (tem), printcharfun, escapeflag);
- PRINTCHAR ('#');
- break;
- }
- else
- {
- if (CONSP (printed_gensyms))
- XSETFASTINT (tem, XFASTINT (XCDR (XCAR (printed_gensyms))) + 1);
- else
- XSETFASTINT (tem, 1);
- printed_gensyms = Fcons (Fcons (obj, tem), printed_gensyms);
-
- PRINTCHAR ('#');
- print (tem, printcharfun, escapeflag);
- PRINTCHAR ('=');
- }
- }
PRINTCHAR ('#');
PRINTCHAR (':');
}
- for (i = 0; i < XSYMBOL (obj)->name->size; i++)
+ size_byte = SBYTES (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. */
+ FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte);
QUIT;
- c = XSYMBOL (obj)->name->data[i];
if (escapeflag)
{
/* If deeper than spec'd depth, print placeholder. */
if (INTEGERP (Vprint_level)
&& print_depth > XINT (Vprint_level))
- strout ("...", -1, printcharfun);
+ strout ("...", -1, -1, printcharfun, 0);
else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj)))
&& (EQ (XCAR (obj), Qquote)))
{
PRINTCHAR ('\'');
- print (XCAR (XCDR (obj)), printcharfun, escapeflag);
+ 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 (XCAR (XCDR (obj)), printcharfun, escapeflag);
+ print_object (XCAR (XCDR (obj)), printcharfun, escapeflag);
}
else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj)))
+ && ! old_backquote_output
&& ((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);
+ print_object (XCAR (obj), printcharfun, 0);
+ print_object (XCAR (XCDR (obj)), printcharfun, escapeflag);
}
else
{
PRINTCHAR ('(');
+
+ /* If the first element is a backquote form,
+ print it old-style so it won't be misunderstood. */
+ if (print_quoted && CONSP (XCAR (obj))
+ && CONSP (XCDR (XCAR (obj)))
+ && NILP (XCDR (XCDR (XCAR (obj))))
+ && EQ (XCAR (XCAR (obj)), Qbackquote))
+ {
+ Lisp_Object tem;
+ tem = XCAR (obj);
+ PRINTCHAR ('(');
+
+ print_object (Qbackquote, printcharfun, 0);
+ PRINTCHAR (' ');
+
+ ++old_backquote_output;
+ print_object (XCAR (XCDR (tem)), printcharfun, 0);
+ --old_backquote_output;
+ PRINTCHAR (')');
+
+ obj = XCDR (obj);
+ }
+
{
- register int i = 0;
- register int max = 0;
-
- if (INTEGERP (Vprint_length))
- max = XINT (Vprint_length);
- /* Could recognize circularities in cdrs here,
- but that would make printing of long lists quadratic.
- It's not worth doing. */
+ int print_length, i;
+ Lisp_Object halftail = obj;
+
+ /* Negative values of print-length are invalid in CL.
+ Treat them like nil, as CMUCL does. */
+ if (NATNUMP (Vprint_length))
+ print_length = XFASTINT (Vprint_length);
+ else
+ print_length = 0;
+
+ i = 0;
while (CONSP (obj))
{
+ /* Detect circular list. */
+ if (NILP (Vprint_circle))
+ {
+ /* Simple but imcomplete way. */
+ if (i != 0 && EQ (obj, halftail))
+ {
+ sprintf (buf, " . #%d", i / 2);
+ strout (buf, -1, -1, printcharfun, 0);
+ goto end_of_list;
+ }
+ }
+ else
+ {
+ /* With the print-circle feature. */
+ 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 (max && i > max)
+
+ if (print_length && i > print_length)
{
- strout ("...", 3, printcharfun);
- break;
+ strout ("...", 3, 3, printcharfun, 0);
+ goto end_of_list;
}
- print (XCAR (obj), printcharfun, escapeflag);
+
+ print_object (XCAR (obj), printcharfun, escapeflag);
+
obj = XCDR (obj);
+ if (!(i & 1))
+ halftail = XCDR (halftail);
}
}
+
+ /* OBJ non-nil here means it's the end of a dotted list. */
if (!NILP (obj))
{
- strout (" . ", 3, printcharfun);
- print (obj, printcharfun, escapeflag);
+ strout (" . ", 3, 3, printcharfun, 0);
+ print_object (obj, printcharfun, escapeflag);
}
+
+ end_of_list:
PRINTCHAR (')');
}
break;
{
if (escapeflag)
{
- strout ("#<process ", -1, printcharfun);
+ strout ("#<process ", -1, -1, printcharfun, 0);
print_string (XPROCESS (obj)->name, printcharfun);
PRINTCHAR ('>');
}
PRINTCHAR ('#');
PRINTCHAR ('&');
sprintf (buf, "%d", XBOOL_VECTOR (obj)->size);
- strout (buf, -1, printcharfun);
+ 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);
+ /* Don't print more characters than the specified maximum.
+ Negative values of print-length are invalid. Treat them
+ like a print-length of nil. */
+ if (NATNUMP (Vprint_length)
+ && XFASTINT (Vprint_length) < size_in_chars)
+ size_in_chars = XFASTINT (Vprint_length);
for (i = 0; i < size_in_chars; i++)
{
}
else if (SUBRP (obj))
{
- strout ("#<subr ", -1, printcharfun);
- strout (XSUBR (obj)->symbol_name, -1, printcharfun);
+ strout ("#<subr ", -1, -1, printcharfun, 0);
+ strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0);
PRINTCHAR ('>');
}
-#ifndef standalone
else if (WINDOWP (obj))
{
- strout ("#<window ", -1, printcharfun);
+ strout ("#<window ", -1, -1, printcharfun, 0);
sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number));
- strout (buf, -1, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
if (!NILP (XWINDOW (obj)->buffer))
{
- strout (" on ", -1, printcharfun);
+ 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 (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0);
+ PRINTCHAR (' ');
+ strout (SDATA (SYMBOL_NAME (h->weak)), -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, printcharfun);
+ strout ("#<killed buffer>", -1, -1, printcharfun, 0);
else if (escapeflag)
{
- strout ("#<buffer ", -1, printcharfun);
+ strout ("#<buffer ", -1, -1, printcharfun, 0);
print_string (XBUFFER (obj)->name, printcharfun);
PRINTCHAR ('>');
}
}
else if (WINDOW_CONFIGURATIONP (obj))
{
- strout ("#<window-configuration>", -1, printcharfun);
+ strout ("#<window-configuration>", -1, -1, printcharfun, 0);
}
else if (FRAMEP (obj))
{
strout ((FRAME_LIVE_P (XFRAME (obj))
? "#<frame " : "#<dead frame "),
- -1, printcharfun);
+ -1, -1, printcharfun, 0);
print_string (XFRAME (obj)->name, printcharfun);
sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj)));
- strout (buf, -1, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
PRINTCHAR ('>');
}
-#endif /* not standalone */
else
{
int size = XVECTOR (obj)->size;
{
register int i;
register Lisp_Object tem;
+ int real_size = size;
/* Don't print more elements than the specified maximum. */
- if (INTEGERP (Vprint_length)
- && XINT (Vprint_length) < size)
- size = XINT (Vprint_length);
+ 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 (tem, printcharfun, escapeflag);
+ print_object (tem, printcharfun, escapeflag);
}
+ if (size < real_size)
+ strout (" ...", 4, 4, printcharfun, 0);
}
PRINTCHAR (']');
}
break;
-#ifndef standalone
case Lisp_Misc:
switch (XMISCTYPE (obj))
{
case Lisp_Misc_Marker:
- strout ("#<marker ", -1, printcharfun);
-#if 0
+ strout ("#<marker ", -1, -1, printcharfun, 0);
/* Do you think this is necessary? */
if (XMARKER (obj)->insertion_type != 0)
- strout ("(before-insertion) ", -1, printcharfun);
-#endif /* 0 */
+ strout ("(moves after insertion) ", -1, -1, printcharfun, 0);
if (!(XMARKER (obj)->buffer))
- strout ("in no buffer", -1, printcharfun);
+ strout ("in no buffer", -1, -1, printcharfun, 0);
else
{
sprintf (buf, "at %d", marker_position (obj));
- strout (buf, -1, printcharfun);
- strout (" in ", -1, printcharfun);
+ 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, printcharfun);
+ strout ("#<overlay ", -1, -1, printcharfun, 0);
if (!(XMARKER (OVERLAY_START (obj))->buffer))
- strout ("in no buffer", -1, printcharfun);
+ 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, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
print_string (XMARKER (OVERLAY_START (obj))->buffer->name,
printcharfun);
}
/* 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, printcharfun);
+ strout ("#<misc free cell>", -1, -1, printcharfun, 0);
break;
case Lisp_Misc_Intfwd:
sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar);
- strout (buf, -1, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
break;
case Lisp_Misc_Boolfwd:
sprintf (buf, "#<boolfwd to %s>",
(*XBOOLFWD (obj)->boolvar ? "t" : "nil"));
- strout (buf, -1, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
break;
case Lisp_Misc_Objfwd:
- strout ("#<objfwd to ", -1, printcharfun);
- print (*XOBJFWD (obj)->objvar, printcharfun, escapeflag);
+ 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, printcharfun);
- print (*(Lisp_Object *)((char *)current_buffer
- + XBUFFER_OBJFWD (obj)->offset),
- printcharfun, escapeflag);
+ 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, printcharfun);
- print (*(Lisp_Object *)((char *) current_kboard
- + XKBOARD_OBJFWD (obj)->offset),
- printcharfun, escapeflag);
+ 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, printcharfun);
+ 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, printcharfun);
+ strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0);
do_buffer_local:
- strout ("[realvalue] ", -1, printcharfun);
- print (XBUFFER_LOCAL_VALUE (obj)->car, printcharfun, escapeflag);
- strout ("[buffer] ", -1, printcharfun);
- print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->car,
- printcharfun, escapeflag);
- strout ("[alist-elt] ", -1, printcharfun);
- print (XCONS (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr)->car,
- printcharfun, escapeflag);
- strout ("[default-value] ", -1, printcharfun);
- print (XCONS (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr)->cdr,
- printcharfun, escapeflag);
+ 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;
goto badtype;
}
break;
-#endif /* standalone */
default:
badtype:
{
/* We're in trouble if this happens!
Probably should just abort () */
- strout ("#<EMACS BUG: INVALID DATATYPE ", -1, printcharfun);
+ 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, printcharfun);
+ strout (buf, -1, -1, printcharfun, 0);
strout (" Save your buffers immediately and please report this bug>",
- -1, printcharfun);
+ -1, -1, printcharfun, 0);
}
}
print_depth--;
}
\f
-#ifdef USE_TEXT_PROPERTIES
/* Print a description of INTERVAL using PRINTCHARFUN.
This is part of printing a string that has text properties. */
Lisp_Object printcharfun;
{
PRINTCHAR (' ');
- print (make_number (interval->position), printcharfun, 1);
+ print_object (make_number (interval->position), printcharfun, 1);
PRINTCHAR (' ');
- print (make_number (interval->position + LENGTH (interval)),
+ print_object (make_number (interval->position + LENGTH (interval)),
printcharfun, 1);
PRINTCHAR (' ');
- print (interval->plist, printcharfun, 1);
+ print_object (interval->plist, printcharfun, 1);
}
-#endif /* USE_TEXT_PROPERTIES */
\f
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).");
+ doc: /* Output stream `print' uses by default for outputting a character.
+This may be any function of one argument.
+It may also be a buffer (output is inserted before point)
+or a marker (output is inserted and the marker is advanced)
+or the symbol t (output appears in the echo area). */);
Vstandard_output = Qt;
Qstandard_output = intern ("standard-output");
staticpro (&Qstandard_output);
-#ifdef LISP_FLOAT_TYPE
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 `%.17g'.");
+ doc: /* The format descriptor string used to print floats.
+This is a %-spec like those accepted by `printf' in C,
+but with some restrictions. It must start with the two characters `%.'.
+After that comes an integer precision specification,
+and then a letter which controls the format.
+The letters allowed are `e', `f' and `g'.
+Use `e' for exponential notation \"DIG.DIGITSeEXPT\"
+Use `f' for decimal point notation \"DIGITS.DIGITS\".
+Use `g' to choose the shorter of those two formats for the number at hand.
+The precision in any of these cases is the number of digits following
+the decimal point. With `f', a precision of 0 means to omit the
+decimal point. 0 is not allowed with `e' or `g'.
+
+A value of nil means to use the shortest notation
+that represents the number without losing information. */);
Vfloat_output_format = Qnil;
Qfloat_output_format = intern ("float-output-format");
staticpro (&Qfloat_output_format);
-#endif /* LISP_FLOAT_TYPE */
DEFVAR_LISP ("print-length", &Vprint_length,
- "Maximum length of list to print before abbreviating.\n\
-A value of nil means no limit.");
+ doc: /* Maximum length of list to print before abbreviating.
+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.");
+ doc: /* Maximum depth of list nesting to print before abbreviating.
+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 backslash-n.\n\
-Also print formfeeds as backslash-f.");
+ doc: /* Non-nil means print newlines in strings as `\\n'.
+Also print formfeeds as `\\f'. */);
print_escape_newlines = 0;
+ DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii,
+ doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO.
+\(OOO is the octal representation of the character code.)
+Only single-byte characters are affected, and only in `prin1'. */);
+ print_escape_nonascii = 0;
+
+ DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte,
+ doc: /* Non-nil means print multibyte characters in strings as \\xXXXX.
+\(XXXX is the hex representation of the character code.)
+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 in the new syntax.");
+ doc: /* Non-nil means print quoted forms with reader syntax.
+I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted
+forms print as in the new syntax. */);
print_quoted = 0;
- DEFVAR_BOOL ("print-gensym", &print_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.");
- print_gensym = 0;
+ DEFVAR_LISP ("print-gensym", &Vprint_gensym,
+ doc: /* Non-nil means print uninterned symbols so they will read as uninterned.
+I.e., the value of (make-symbol \"foobar\") prints as #:foobar.
+When the uninterned symbol appears within a recursive data structure,
+and the symbol appears more than once, in addition use the #N# and #N=
+constructs as needed, so that multiple references to the same symbol are
+shared once again when the text is read back. */);
+ Vprint_gensym = Qnil;
+
+ DEFVAR_LISP ("print-circle", &Vprint_circle,
+ doc: /* *Non-nil means print recursive structures using #N= and #N# syntax.
+If nil, printing proceeds recursively and may lead to
+`max-lisp-eval-depth' being exceeded or an error may occur:
+\"Apparently circular structure being printed.\" Also see
+`print-length' and `print-level'.
+If non-nil, shared substructures anywhere in the structure are printed
+with `#N=' before the first occurrence (in the order of the print
+representation) and `#N#' in place of each subsequent occurrence,
+where N is a positive decimal integer. */);
+ Vprint_circle = Qnil;
+
+ DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering,
+ doc: /* *Non-nil means number continuously across print calls.
+This affects the numbers printed for #N= labels and #M# references.
+See also `print-circle', `print-gensym', and `print-number-table'.
+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,
+ doc: /* A vector used internally to produce `#N=' labels and `#N#' references.
+The Lisp printer uses this vector to detect Lisp objects referenced more
+than once.
+
+When you bind `print-continuous-numbering' to t, you should probably
+also bind `print-number-table' to nil. This ensures that the value of
+`print-number-table' can be garbage-collected once the printing is
+done. If all elements of `print-number-table' are nil, it means that
+the printing done so far has not found any shared structure or objects
+that need to be recorded in the table. */);
+ Vprint_number_table = Qnil;
/* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */
staticpro (&Vprin1_to_string_buffer);
Qprint_escape_newlines = intern ("print-escape-newlines");
staticpro (&Qprint_escape_newlines);
- staticpro (&printed_gensyms);
- printed_gensyms = Qnil;
+ Qprint_escape_multibyte = intern ("print-escape-multibyte");
+ staticpro (&Qprint_escape_multibyte);
+
+ Qprint_escape_nonascii = intern ("print-escape-nonascii");
+ staticpro (&Qprint_escape_nonascii);
-#ifndef standalone
defsubr (&Swith_output_to_temp_buffer);
-#endif /* not standalone */
}
HCoop / bpt / emacs.git / blobdiff