mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-06-24 20:30:28 +02:00
* boot-9.scm: don't import (ice-9 rdelim) here. it's done
in C for now. * rdelim.scm: export the C primitives too. * documentation.scm: use (ice-9 rdelim). * filesys.c (scm_link): docstring fix. * fports.h (scm_setfileno): obsolete declaration removed. * posix.c: bogus popen declaration removed. * rdelim.c: new file, split from ioext.c with new proc scm_init_rdelim. * rdelim.h: new file. * Makefile.am: add rdelim.c and related files. * init.c: call scm_init_rdelim. include rdelim.h.
This commit is contained in:
Gary Houston
parent
1c8cbd62c5
commit
6d36532c1c
11 changed files with 407 additions and 251 deletions
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@ -1,3 +1,10 @@
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2001-01-24 Gary Houston <ghouston@arglist.com>
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* boot-9.scm: don't import (ice-9 rdelim) here. it's done
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in C for now.
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* rdelim.scm: export the C primitives too.
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* documentation.scm: use (ice-9 rdelim).
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2001-01-21 Gary Houston <ghouston@arglist.com>
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* rdelim.scm: new file implementing module (ice-9 rdelim).
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@ -2635,10 +2635,6 @@
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;; temporary, for backwards compatibility.
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(use-modules (ice-9 rdelim))
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(define using-readline?
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(let ((using-readline? (make-fluid)))
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(make-procedure-with-setter
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@ -2723,3 +2719,4 @@
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(define-module (guile))
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(append! %load-path (cons "." ()))
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@ -17,6 +17,7 @@
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;;;;
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(define-module (ice-9 documentation)
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:use-module (ice-9 rdelim)
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:no-backtrace)
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@ -1,6 +1,6 @@
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;;; installed-scm-file
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;;;; Copyright (C) 1997 1999 2000 2001 Free Software Foundation, Inc.
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;;;; Copyright (C) 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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@ -19,15 +19,13 @@
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;;;;
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;;; Module for delimited I/O. This is similar to (scsh rdelim) but is
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;;; somewhat incompatible.
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;;; This is the Scheme part of the module for delimited I/O. It's
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;;; similar to (scsh rdelim) but somewhat incompatible.
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(define-module (ice-9 rdelim))
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(export read-line read-line! read-delimited read-delimited!)
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;; TODO: split the C part of this module out of libguile and into its
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;; own top-level directory.
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;; (export read-string!/partial %read-delimited! %read-line write-line)
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(export %read-delimited! %read-line write-line) ; C
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(define (read-line! string . maybe-port)
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;; corresponds to SCM_LINE_INCREMENTORS in libguile.
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@ -1,3 +1,14 @@
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2001-01-24 Gary Houston <ghouston@arglist.com>
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* filesys.c (scm_link): docstring fix.
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* fports.h (scm_setfileno): obsolete declaration removed.
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* posix.c: bogus popen declaration removed.
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* rdelim.c: new file, split from ioext.c.
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* rdelim.h: new file, split from ioext.h
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* Makefile.am: add rdelim.c and related files.
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* init.c: call scm_init_rdelim. include rdelim.h.
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2001-01-24 Dirk Herrmann <D.Herrmann@tu-bs.de>
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This patch was sent by Martin Grabmueller and makes sure that
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@ -557,9 +557,10 @@ SCM_DEFINE (scm_stat, "stat", 1, 0, 0,
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SCM_DEFINE (scm_link, "link", 2, 0, 0,
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(SCM oldpath, SCM newpath),
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"Creates a new name @var{path-to} in the file system for the file\n"
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"named by @var{path-from}. If @var{path-from} is a symbolic link, the\n"
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"link may or may not be followed depending on the system.")
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"Creates a new name @var{newpath} in the file system for the\n"
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"file named by @var{oldpath}. If @var{oldpath} is a symbolic\n"
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"link, the link may or may not be followed depending on the\n"
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"system.")
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#define FUNC_NAME s_scm_link
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{
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int val;
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@ -568,7 +569,8 @@ SCM_DEFINE (scm_link, "link", 2, 0, 0,
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SCM_STRING_COERCE_0TERMINATION_X (oldpath);
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SCM_VALIDATE_STRING (2, newpath);
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SCM_STRING_COERCE_0TERMINATION_X (newpath);
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SCM_SYSCALL (val = link (SCM_STRING_CHARS (oldpath), SCM_STRING_CHARS (newpath)));
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SCM_SYSCALL (val = link (SCM_STRING_CHARS (oldpath),
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SCM_STRING_CHARS (newpath)));
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if (val != 0)
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SCM_SYSERROR;
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return SCM_UNSPECIFIED;
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@ -579,7 +581,7 @@ SCM_DEFINE (scm_link, "link", 2, 0, 0,
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SCM_DEFINE (scm_rename, "rename-file", 2, 0, 0,
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(SCM oldname, SCM newname),
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"Renames the file specified by @var{path-from} to @var{path-to}.\n"
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"Renames the file specified by @var{oldname} to @var{newname}.\n"
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"The return value is unspecified.")
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#define FUNC_NAME s_scm_rename
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{
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233
libguile/ioext.c
233
libguile/ioext.c
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@ -1,4 +1,4 @@
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/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -44,20 +44,14 @@
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#include <stdio.h>
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#include "libguile/_scm.h"
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#include "libguile/ports.h"
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#include "libguile/read.h"
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#include "libguile/ioext.h"
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#include "libguile/fports.h"
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#include "libguile/unif.h"
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#include "libguile/chars.h"
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#include "libguile/feature.h"
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#include "libguile/ports.h"
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#include "libguile/root.h"
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#include "libguile/strings.h"
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#include "libguile/validate.h"
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#include "libguile/ioext.h"
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#include <fcntl.h>
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@ -168,227 +162,6 @@ SCM_DEFINE (scm_read_string_x_partial, "read-string!/partial", 1, 3, 0,
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_read_delimited_x, "%read-delimited!", 3, 3, 0,
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(SCM delims, SCM str, SCM gobble, SCM port, SCM start, SCM end),
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"Read characters from @var{port} into @var{str} until one of the\n"
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"characters in the @var{delims} string is encountered. If @var{gobble}\n"
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"is true, discard the delimiter character; otherwise, leave it\n"
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"in the input stream for the next read.\n"
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"If @var{port} is not specified, use the value of\n"
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"@code{(current-input-port)}. If @var{start} or @var{end} are specified,\n"
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"store data only into the substring of @var{str} bounded by @var{start}\n"
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"and @var{end} (which default to the beginning and end of the string,\n"
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"respectively).\n\n"
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"Return a pair consisting of the delimiter that terminated the string and\n"
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"the number of characters read. If reading stopped at the end of file,\n"
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"the delimiter returned is the @var{eof-object}; if the string was filled\n"
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"without encountering a delimiter, this value is @var{#f}.")
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#define FUNC_NAME s_scm_read_delimited_x
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{
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long j;
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char *buf;
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long cstart;
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long cend;
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int c;
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char *cdelims;
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int num_delims;
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SCM_VALIDATE_STRING_COPY (1, delims, cdelims);
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num_delims = SCM_STRING_LENGTH (delims);
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SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 5, start, cstart,
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6, end, cend);
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if (SCM_UNBNDP (port))
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port = scm_cur_inp;
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else
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SCM_VALIDATE_OPINPORT (4,port);
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for (j = cstart; j < cend; j++)
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{
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int k;
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c = scm_getc (port);
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for (k = 0; k < num_delims; k++)
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{
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if (cdelims[k] == c)
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{
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if (SCM_FALSEP (gobble))
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scm_ungetc (c, port);
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return scm_cons (SCM_MAKE_CHAR (c),
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scm_long2num (j - cstart));
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}
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}
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if (c == EOF)
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return scm_cons (SCM_EOF_VAL,
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scm_long2num (j - cstart));
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buf[j] = c;
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}
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return scm_cons (SCM_BOOL_F, scm_long2num (j - cstart));
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}
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#undef FUNC_NAME
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static unsigned char *
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scm_do_read_line (SCM port, int *len_p)
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{
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scm_port *pt = SCM_PTAB_ENTRY (port);
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unsigned char *end;
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/* I thought reading lines was simple. Mercy me. */
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/* The common case: the buffer contains a complete line.
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This needs to be fast. */
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if ((end = memchr (pt->read_pos, '\n', (pt->read_end - pt->read_pos)))
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!= 0)
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{
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int buf_len = (end + 1) - pt->read_pos;
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/* Allocate a buffer of the perfect size. */
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unsigned char *buf = scm_must_malloc (buf_len + 1, "%read-line");
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memcpy (buf, pt->read_pos, buf_len);
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pt->read_pos += buf_len;
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buf[buf_len] = '\0';
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*len_p = buf_len;
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return buf;
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}
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/* The buffer contains no newlines. */
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{
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/* When live, len is always the number of characters in the
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current buffer that are part of the current line. */
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int len = (pt->read_end - pt->read_pos);
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int buf_size = (len < 50) ? 60 : len * 2;
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/* Invariant: buf always has buf_size + 1 characters allocated;
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the `+ 1' is for the final '\0'. */
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unsigned char *buf = scm_must_malloc (buf_size + 1, "%read-line");
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int buf_len = 0;
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for (;;)
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{
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if (buf_len + len > buf_size)
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{
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int new_size = (buf_len + len) * 2;
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buf = scm_must_realloc (buf, buf_size + 1, new_size + 1,
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"%read-line");
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buf_size = new_size;
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}
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/* Copy what we've got out of the port, into our buffer. */
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memcpy (buf + buf_len, pt->read_pos, len);
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buf_len += len;
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pt->read_pos += len;
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/* If we had seen a newline, we're done now. */
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if (end)
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break;
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/* Get more characters. */
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if (scm_fill_input (port) == EOF)
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{
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/* If we're missing a final newline in the file, return
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what we did get, sans newline. */
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if (buf_len > 0)
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break;
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free (buf);
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return 0;
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}
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/* Search the buffer for newlines. */
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if ((end = memchr (pt->read_pos, '\n',
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(len = (pt->read_end - pt->read_pos))))
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!= 0)
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len = (end - pt->read_pos) + 1;
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}
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/* I wonder how expensive this realloc is. */
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buf = scm_must_realloc (buf, buf_size + 1, buf_len + 1, "%read-line");
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buf[buf_len] = '\0';
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*len_p = buf_len;
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return buf;
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}
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}
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/*
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* %read-line
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* truncates any terminating newline from its input, and returns
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* a cons of the string read and its terminating character. Doing
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* so makes it easy to implement the hairy `read-line' options
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* efficiently in Scheme.
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*/
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SCM_DEFINE (scm_read_line, "%read-line", 0, 1, 0,
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(SCM port),
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"Read a newline-terminated line from @var{port}, allocating storage as\n"
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"necessary. The newline terminator (if any) is removed from the string,\n"
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"and a pair consisting of the line and its delimiter is returned. The\n"
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"delimiter may be either a newline or the @var{eof-object}; if\n"
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"@code{%read-line} is called at the end of file, it returns the pair\n"
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"@code{(#<eof> . #<eof>)}.")
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#define FUNC_NAME s_scm_read_line
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{
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scm_port *pt;
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char *s;
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int slen;
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SCM line, term;
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if (SCM_UNBNDP (port))
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port = scm_cur_inp;
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SCM_VALIDATE_OPINPORT (1,port);
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pt = SCM_PTAB_ENTRY (port);
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if (pt->rw_active == SCM_PORT_WRITE)
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scm_ptobs[SCM_PTOBNUM (port)].flush (port);
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s = (char *) scm_do_read_line (port, &slen);
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if (s == NULL)
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term = line = SCM_EOF_VAL;
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else
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{
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if (s[slen-1] == '\n')
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{
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term = SCM_MAKE_CHAR ('\n');
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s[slen-1] = '\0';
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line = scm_take_str (s, slen-1);
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scm_done_malloc (-1);
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SCM_INCLINE (port);
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}
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else
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{
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/* Fix: we should check for eof on the port before assuming this. */
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term = SCM_EOF_VAL;
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line = scm_take_str (s, slen);
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SCM_COL (port) += slen;
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}
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}
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if (pt->rw_random)
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pt->rw_active = SCM_PORT_READ;
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return scm_cons (line, term);
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}
|
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#undef FUNC_NAME
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SCM_DEFINE (scm_write_line, "write-line", 1, 1, 0,
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(SCM obj, SCM port),
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||||
"Display @var{obj} and a newline character to @var{port}. If @var{port}\n"
|
||||
"is not specified, @code{(current-output-port)} is used. This function\n"
|
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"is equivalent to:\n\n"
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||||
"@smalllisp\n"
|
||||
"(display obj [port])\n"
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"(newline [port])\n"
|
||||
"@end smalllisp")
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#define FUNC_NAME s_scm_write_line
|
||||
{
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scm_display (obj, port);
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return scm_newline (port);
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}
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#undef FUNC_NAME
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||||
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||||
SCM_DEFINE (scm_ftell, "ftell", 1, 0, 0,
|
||||
(SCM object),
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||||
"Returns an integer representing the current position of @var{fd/port},\n"
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||||
|
|
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|||
|
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@ -2,7 +2,7 @@
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|||
|
||||
#ifndef IOEXTH
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||||
#define IOEXTH
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/* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
|
|
@ -50,10 +50,6 @@
|
|||
|
||||
extern SCM scm_read_string_x_partial (SCM str, SCM port_or_fdes, SCM start,
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SCM end);
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extern SCM scm_read_delimited_x (SCM delims, SCM buf, SCM gobble, SCM port,
|
||||
SCM offset, SCM length);
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||||
extern SCM scm_read_line (SCM port);
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||||
extern SCM scm_write_line (SCM obj, SCM port);
|
||||
extern SCM scm_ftell (SCM object);
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||||
extern SCM scm_redirect_port (SCM into_pt, SCM from_pt);
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extern SCM scm_dup_to_fdes (SCM fd_or_port, SCM newfd);
|
||||
|
|
|
|||
|
|
@ -100,7 +100,6 @@ extern char *ttyname();
|
|||
|
||||
#include <signal.h>
|
||||
|
||||
extern FILE *popen ();
|
||||
extern char ** environ;
|
||||
|
||||
#include <grp.h>
|
||||
|
|
|
|||
311
libguile/rdelim.c
Normal file
311
libguile/rdelim.c
Normal file
|
|
@ -0,0 +1,311 @@
|
|||
/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this software; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||||
* Boston, MA 02111-1307 USA
|
||||
*
|
||||
* As a special exception, the Free Software Foundation gives permission
|
||||
* for additional uses of the text contained in its release of GUILE.
|
||||
*
|
||||
* The exception is that, if you link the GUILE library with other files
|
||||
* to produce an executable, this does not by itself cause the
|
||||
* resulting executable to be covered by the GNU General Public License.
|
||||
* Your use of that executable is in no way restricted on account of
|
||||
* linking the GUILE library code into it.
|
||||
*
|
||||
* This exception does not however invalidate any other reasons why
|
||||
* the executable file might be covered by the GNU General Public License.
|
||||
*
|
||||
* This exception applies only to the code released by the
|
||||
* Free Software Foundation under the name GUILE. If you copy
|
||||
* code from other Free Software Foundation releases into a copy of
|
||||
* GUILE, as the General Public License permits, the exception does
|
||||
* not apply to the code that you add in this way. To avoid misleading
|
||||
* anyone as to the status of such modified files, you must delete
|
||||
* this exception notice from them.
|
||||
*
|
||||
* If you write modifications of your own for GUILE, it is your choice
|
||||
* whether to permit this exception to apply to your modifications.
|
||||
* If you do not wish that, delete this exception notice.
|
||||
|
||||
* This is the C part of the module for delimited I/O. It's
|
||||
* similar to (scsh rdelim) but somewhat incompatible. */
|
||||
|
||||
#include "libguile/_scm.h"
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#ifdef HAVE_STRING_H
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#include "libguile/chars.h"
|
||||
#include "libguile/modules.h"
|
||||
#include "libguile/ports.h"
|
||||
#include "libguile/rdelim.h"
|
||||
#include "libguile/root.h"
|
||||
#include "libguile/strings.h"
|
||||
#include "libguile/strports.h"
|
||||
#include "libguile/validate.h"
|
||||
|
||||
SCM_DEFINE (scm_read_delimited_x, "%read-delimited!", 3, 3, 0,
|
||||
(SCM delims, SCM str, SCM gobble, SCM port, SCM start, SCM end),
|
||||
"Read characters from @var{port} into @var{str} until one of the\n"
|
||||
"characters in the @var{delims} string is encountered. If @var{gobble}\n"
|
||||
"is true, discard the delimiter character; otherwise, leave it\n"
|
||||
"in the input stream for the next read.\n"
|
||||
"If @var{port} is not specified, use the value of\n"
|
||||
"@code{(current-input-port)}. If @var{start} or @var{end} are specified,\n"
|
||||
"store data only into the substring of @var{str} bounded by @var{start}\n"
|
||||
"and @var{end} (which default to the beginning and end of the string,\n"
|
||||
"respectively).\n\n"
|
||||
"Return a pair consisting of the delimiter that terminated the string and\n"
|
||||
"the number of characters read. If reading stopped at the end of file,\n"
|
||||
"the delimiter returned is the @var{eof-object}; if the string was filled\n"
|
||||
"without encountering a delimiter, this value is @var{#f}.")
|
||||
#define FUNC_NAME s_scm_read_delimited_x
|
||||
{
|
||||
long j;
|
||||
char *buf;
|
||||
long cstart;
|
||||
long cend;
|
||||
int c;
|
||||
char *cdelims;
|
||||
int num_delims;
|
||||
|
||||
SCM_VALIDATE_STRING_COPY (1, delims, cdelims);
|
||||
num_delims = SCM_STRING_LENGTH (delims);
|
||||
SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 5, start, cstart,
|
||||
6, end, cend);
|
||||
if (SCM_UNBNDP (port))
|
||||
port = scm_cur_inp;
|
||||
else
|
||||
SCM_VALIDATE_OPINPORT (4,port);
|
||||
|
||||
for (j = cstart; j < cend; j++)
|
||||
{
|
||||
int k;
|
||||
|
||||
c = scm_getc (port);
|
||||
for (k = 0; k < num_delims; k++)
|
||||
{
|
||||
if (cdelims[k] == c)
|
||||
{
|
||||
if (SCM_FALSEP (gobble))
|
||||
scm_ungetc (c, port);
|
||||
|
||||
return scm_cons (SCM_MAKE_CHAR (c),
|
||||
scm_long2num (j - cstart));
|
||||
}
|
||||
}
|
||||
if (c == EOF)
|
||||
return scm_cons (SCM_EOF_VAL,
|
||||
scm_long2num (j - cstart));
|
||||
|
||||
buf[j] = c;
|
||||
}
|
||||
return scm_cons (SCM_BOOL_F, scm_long2num (j - cstart));
|
||||
}
|
||||
#undef FUNC_NAME
|
||||
|
||||
static unsigned char *
|
||||
scm_do_read_line (SCM port, int *len_p)
|
||||
{
|
||||
scm_port *pt = SCM_PTAB_ENTRY (port);
|
||||
unsigned char *end;
|
||||
|
||||
/* I thought reading lines was simple. Mercy me. */
|
||||
|
||||
/* The common case: the buffer contains a complete line.
|
||||
This needs to be fast. */
|
||||
if ((end = memchr (pt->read_pos, '\n', (pt->read_end - pt->read_pos)))
|
||||
!= 0)
|
||||
{
|
||||
int buf_len = (end + 1) - pt->read_pos;
|
||||
/* Allocate a buffer of the perfect size. */
|
||||
unsigned char *buf = scm_must_malloc (buf_len + 1, "%read-line");
|
||||
|
||||
memcpy (buf, pt->read_pos, buf_len);
|
||||
pt->read_pos += buf_len;
|
||||
|
||||
buf[buf_len] = '\0';
|
||||
|
||||
*len_p = buf_len;
|
||||
return buf;
|
||||
}
|
||||
|
||||
/* The buffer contains no newlines. */
|
||||
{
|
||||
/* When live, len is always the number of characters in the
|
||||
current buffer that are part of the current line. */
|
||||
int len = (pt->read_end - pt->read_pos);
|
||||
int buf_size = (len < 50) ? 60 : len * 2;
|
||||
/* Invariant: buf always has buf_size + 1 characters allocated;
|
||||
the `+ 1' is for the final '\0'. */
|
||||
unsigned char *buf = scm_must_malloc (buf_size + 1, "%read-line");
|
||||
int buf_len = 0;
|
||||
|
||||
for (;;)
|
||||
{
|
||||
if (buf_len + len > buf_size)
|
||||
{
|
||||
int new_size = (buf_len + len) * 2;
|
||||
buf = scm_must_realloc (buf, buf_size + 1, new_size + 1,
|
||||
"%read-line");
|
||||
buf_size = new_size;
|
||||
}
|
||||
|
||||
/* Copy what we've got out of the port, into our buffer. */
|
||||
memcpy (buf + buf_len, pt->read_pos, len);
|
||||
buf_len += len;
|
||||
pt->read_pos += len;
|
||||
|
||||
/* If we had seen a newline, we're done now. */
|
||||
if (end)
|
||||
break;
|
||||
|
||||
/* Get more characters. */
|
||||
if (scm_fill_input (port) == EOF)
|
||||
{
|
||||
/* If we're missing a final newline in the file, return
|
||||
what we did get, sans newline. */
|
||||
if (buf_len > 0)
|
||||
break;
|
||||
|
||||
free (buf);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Search the buffer for newlines. */
|
||||
if ((end = memchr (pt->read_pos, '\n',
|
||||
(len = (pt->read_end - pt->read_pos))))
|
||||
!= 0)
|
||||
len = (end - pt->read_pos) + 1;
|
||||
}
|
||||
|
||||
/* I wonder how expensive this realloc is. */
|
||||
buf = scm_must_realloc (buf, buf_size + 1, buf_len + 1, "%read-line");
|
||||
buf[buf_len] = '\0';
|
||||
*len_p = buf_len;
|
||||
return buf;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* %read-line
|
||||
* truncates any terminating newline from its input, and returns
|
||||
* a cons of the string read and its terminating character. Doing
|
||||
* so makes it easy to implement the hairy `read-line' options
|
||||
* efficiently in Scheme.
|
||||
*/
|
||||
|
||||
SCM_DEFINE (scm_read_line, "%read-line", 0, 1, 0,
|
||||
(SCM port),
|
||||
"Read a newline-terminated line from @var{port}, allocating storage as\n"
|
||||
"necessary. The newline terminator (if any) is removed from the string,\n"
|
||||
"and a pair consisting of the line and its delimiter is returned. The\n"
|
||||
"delimiter may be either a newline or the @var{eof-object}; if\n"
|
||||
"@code{%read-line} is called at the end of file, it returns the pair\n"
|
||||
"@code{(#<eof> . #<eof>)}.")
|
||||
#define FUNC_NAME s_scm_read_line
|
||||
{
|
||||
scm_port *pt;
|
||||
char *s;
|
||||
int slen;
|
||||
SCM line, term;
|
||||
|
||||
if (SCM_UNBNDP (port))
|
||||
port = scm_cur_inp;
|
||||
SCM_VALIDATE_OPINPORT (1,port);
|
||||
|
||||
pt = SCM_PTAB_ENTRY (port);
|
||||
if (pt->rw_active == SCM_PORT_WRITE)
|
||||
scm_ptobs[SCM_PTOBNUM (port)].flush (port);
|
||||
|
||||
s = (char *) scm_do_read_line (port, &slen);
|
||||
|
||||
if (s == NULL)
|
||||
term = line = SCM_EOF_VAL;
|
||||
else
|
||||
{
|
||||
if (s[slen-1] == '\n')
|
||||
{
|
||||
term = SCM_MAKE_CHAR ('\n');
|
||||
s[slen-1] = '\0';
|
||||
line = scm_take_str (s, slen-1);
|
||||
scm_done_malloc (-1);
|
||||
SCM_INCLINE (port);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Fix: we should check for eof on the port before assuming this. */
|
||||
term = SCM_EOF_VAL;
|
||||
line = scm_take_str (s, slen);
|
||||
SCM_COL (port) += slen;
|
||||
}
|
||||
}
|
||||
|
||||
if (pt->rw_random)
|
||||
pt->rw_active = SCM_PORT_READ;
|
||||
|
||||
return scm_cons (line, term);
|
||||
}
|
||||
#undef FUNC_NAME
|
||||
|
||||
SCM_DEFINE (scm_write_line, "write-line", 1, 1, 0,
|
||||
(SCM obj, SCM port),
|
||||
"Display @var{obj} and a newline character to @var{port}. If @var{port}\n"
|
||||
"is not specified, @code{(current-output-port)} is used. This function\n"
|
||||
"is equivalent to:\n\n"
|
||||
"@smalllisp\n"
|
||||
"(display obj [port])\n"
|
||||
"(newline [port])\n"
|
||||
"@end smalllisp")
|
||||
#define FUNC_NAME s_scm_write_line
|
||||
{
|
||||
scm_display (obj, port);
|
||||
return scm_newline (port);
|
||||
}
|
||||
#undef FUNC_NAME
|
||||
|
||||
void
|
||||
scm_init_rdelim (void)
|
||||
{
|
||||
SCM rdelim_module = scm_make_module (scm_read_0str ("(ice-9 rdelim)"));
|
||||
SCM old_module = scm_select_module (rdelim_module);
|
||||
|
||||
#ifndef SCM_MAGIC_SNARFER
|
||||
#include "libguile/rdelim.x"
|
||||
#endif
|
||||
|
||||
scm_select_module (old_module);
|
||||
|
||||
#if DEBUG_DEPRECATED == 0
|
||||
{
|
||||
const char expr[] = "\
|
||||
(define-module (guile) :use-module (ice-9 rdelim))\
|
||||
(define-module (guile-user) :use-module (ice-9 rdelim))";
|
||||
|
||||
scm_eval_string (scm_makfromstr (expr, (sizeof expr) - 1, 0));
|
||||
}
|
||||
scm_select_module (old_module);
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "gnu"
|
||||
End:
|
||||
*/
|
||||
61
libguile/rdelim.h
Normal file
61
libguile/rdelim.h
Normal file
|
|
@ -0,0 +1,61 @@
|
|||
/* classes: h_files */
|
||||
|
||||
#ifndef SCM_RDELIM
|
||||
#define SCM_RDELIM
|
||||
/* Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this software; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||||
* Boston, MA 02111-1307 USA
|
||||
*
|
||||
* As a special exception, the Free Software Foundation gives permission
|
||||
* for additional uses of the text contained in its release of GUILE.
|
||||
*
|
||||
* The exception is that, if you link the GUILE library with other files
|
||||
* to produce an executable, this does not by itself cause the
|
||||
* resulting executable to be covered by the GNU General Public License.
|
||||
* Your use of that executable is in no way restricted on account of
|
||||
* linking the GUILE library code into it.
|
||||
*
|
||||
* This exception does not however invalidate any other reasons why
|
||||
* the executable file might be covered by the GNU General Public License.
|
||||
*
|
||||
* This exception applies only to the code released by the
|
||||
* Free Software Foundation under the name GUILE. If you copy
|
||||
* code from other Free Software Foundation releases into a copy of
|
||||
* GUILE, as the General Public License permits, the exception does
|
||||
* not apply to the code that you add in this way. To avoid misleading
|
||||
* anyone as to the status of such modified files, you must delete
|
||||
* this exception notice from them.
|
||||
*
|
||||
* If you write modifications of your own for GUILE, it is your choice
|
||||
* whether to permit this exception to apply to your modifications.
|
||||
* If you do not wish that, delete this exception notice. */
|
||||
|
||||
|
||||
#include "libguile/__scm.h"
|
||||
|
||||
extern SCM scm_read_delimited_x (SCM delims, SCM buf, SCM gobble, SCM port,
|
||||
SCM offset, SCM length);
|
||||
extern SCM scm_read_line (SCM port);
|
||||
extern SCM scm_write_line (SCM obj, SCM port);
|
||||
void scm_init_rdelim (void);
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
Local Variables:
|
||||
c-file-style: "gnu"
|
||||
End:
|
||||
*/
|
||||
Loading…
Add table
Add a link
Reference in a new issue