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1cc91f1b29
arbiters.c, arbiters.h, async.c, async.h, boolean.c, boolean.h, chars.c, chars.h, continuations.c, continuations.h, debug.c, debug.h, dynwind.c, dynwind.h, eq.c, eq.h, error.c, eval.c, eval.h, extchrs.c, extchrs.h, fdsocket.c, fdsocket.h, filesys.c, filesys.h, fports.c, fports.h, gc.c, gdb_interface.h, gdbint.c, gdbint.h, genio.c, genio.h, gscm.c, gscm.h, gsubr.c, gsubr.h, hash.c, hash.h, hashtab.c, hashtab.h, init.c, ioext.c, ioext.h, kw.c, kw.h, libguile.h, mallocs.c, mallocs.h, markers.c, markers.h, mbstrings.c, mbstrings.h, numbers.c, numbers.h, objprop.c, objprop.h, options.c, options.h, pairs.c, pairs.h, ports.c, ports.h, posix.c, posix.h, print.c, print.h, procprop.c, procprop.h, procs.c, procs.h, ramap.c, ramap.h, read.c, read.h, root.c, scmsigs.c, scmsigs.h, sequences.c, sequences.h, simpos.c, simpos.h, smob.c, socket.c, socket.h, srcprop.c, srcprop.h, stackchk.c, stackchk.h, stime.c, stime.h, strings.c, strings.h, strop.c, strop.h, strorder.c, strorder.h, strports.c, strports.h, struct.c, struct.h, symbols.c, symbols.h, tag.c, tag.h, unif.c, unif.h, variable.c, variable.h, vectors.c, vectors.h, version.c, version.h, vports.c, vports.h, weaks.c, weaks.h: Use SCM_P to declare functions with prototypes. (Patch thanks to Marius Vollmer.)
325 lines
9.1 KiB
C
325 lines
9.1 KiB
C
/* classes: src_files */
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/* Copyright (C) 1994 Free Software Foundation, Inc.
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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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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this software; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include "_scm.h"
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#include "chars.h"
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#include "strop.h"
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int
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scm_i_index (str, chr, sub_start, sub_end, pos, pos2, pos3, pos4, why)
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SCM * str;
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SCM chr;
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SCM sub_start;
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SCM sub_end;
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int pos;
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int pos2;
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int pos3;
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int pos4;
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char * why;
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{
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unsigned char * p;
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int x;
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int bound;
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int ch;
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SCM_ASSERT (SCM_NIMP (*str) && SCM_ROSTRINGP (*str), *str, pos, why);
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SCM_ASSERT (SCM_ICHRP (chr), chr, pos2, why);
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if (sub_start == SCM_BOOL_F)
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sub_start = SCM_MAKINUM (0);
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else
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SCM_ASSERT ( SCM_INUMP (sub_start)
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&& (0 <= SCM_INUM (sub_start))
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&& (SCM_INUM (sub_start) <= SCM_ROLENGTH (*str)),
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sub_start, pos3, why);
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if (sub_end == SCM_BOOL_F)
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sub_end = SCM_MAKINUM (SCM_ROLENGTH (*str));
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else
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SCM_ASSERT ( SCM_INUMP (sub_end)
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&& (SCM_INUM (sub_start) <= SCM_INUM (sub_end))
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&& (SCM_INUM (sub_end) <= SCM_ROLENGTH (*str)),
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sub_end, pos4, why);
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p = (unsigned char *)SCM_ROCHARS (*str) + SCM_INUM (sub_start);
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bound = SCM_INUM (sub_end);
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ch = SCM_ICHR (chr);
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for (x = SCM_INUM (sub_start); x < bound; ++x, ++p)
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if (*p == ch)
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return x;
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return -1;
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}
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int
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scm_i_rindex (str, chr, sub_start, sub_end, pos, pos2, pos3, pos4, why)
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SCM * str;
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SCM chr;
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SCM sub_start;
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SCM sub_end;
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int pos;
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int pos2;
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int pos3;
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int pos4;
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char * why;
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{
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unsigned char * p;
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int x;
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int upper_bound;
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int lower_bound;
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int ch;
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SCM_ASSERT (SCM_NIMP (*str) && SCM_ROSTRINGP (*str), *str, pos, why);
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SCM_ASSERT (SCM_ICHRP (chr), chr, pos2, why);
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if (sub_start == SCM_BOOL_F)
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sub_start = SCM_MAKINUM (0);
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else
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SCM_ASSERT ( SCM_INUMP (sub_start)
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&& (0 <= SCM_INUM (sub_start))
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&& (SCM_INUM (sub_start) <= SCM_ROLENGTH (*str)),
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sub_start, pos3, why);
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if (sub_end == SCM_BOOL_F)
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sub_end = SCM_MAKINUM (SCM_ROLENGTH (*str));
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else
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SCM_ASSERT ( SCM_INUMP (sub_end)
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&& (SCM_INUM (sub_start) <= SCM_INUM (sub_end))
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&& (SCM_INUM (sub_end) <= SCM_ROLENGTH (*str)),
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sub_end, pos4, why);
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upper_bound = SCM_INUM (sub_end);
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lower_bound = SCM_INUM (sub_start);
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p = upper_bound - 1 + (unsigned char *)SCM_ROCHARS (*str);
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ch = SCM_ICHR (chr);
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for (x = upper_bound - 1; x >= lower_bound; --x, --p)
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if (*p == ch)
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return x;
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return -1;
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}
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SCM_PROC(s_string_index, "string-index", 2, 2, 0, scm_string_index);
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SCM
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scm_string_index (str, chr, frm, to)
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SCM str;
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SCM chr;
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SCM frm;
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SCM to;
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{
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int pos;
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if (frm == SCM_UNDEFINED)
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frm = SCM_BOOL_F;
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if (to == SCM_UNDEFINED)
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to = SCM_BOOL_F;
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pos = scm_i_index (&str, chr, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index);
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return (pos < 0
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? SCM_BOOL_F
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: SCM_MAKINUM (pos));
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}
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SCM_PROC(s_string_rindex, "string-rindex", 2, 2, 0, scm_string_rindex);
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SCM
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scm_string_rindex (str, chr, frm, to)
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SCM str;
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SCM chr;
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SCM frm;
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SCM to;
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{
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int pos;
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if (frm == SCM_UNDEFINED)
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frm = SCM_BOOL_F;
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if (to == SCM_UNDEFINED)
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to = SCM_BOOL_F;
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pos = scm_i_rindex (&str, chr, frm, to, SCM_ARG1, SCM_ARG2, SCM_ARG3, SCM_ARG4, s_string_index);
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return (pos < 0
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? SCM_BOOL_F
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: SCM_MAKINUM (pos));
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}
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SCM_PROC(s_substring_move_left_x, "substring-move-left!", 2, 0, 1, scm_substring_move_left_x);
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SCM
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scm_substring_move_left_x (str1, start1, args)
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SCM str1;
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SCM start1;
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SCM args;
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{
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SCM end1, str2, start2;
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long i, j, e;
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SCM_ASSERT (3==scm_ilength (args), scm_makfrom0str (s_substring_move_left_x),
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SCM_WNA, NULL);
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end1 = SCM_CAR (args); args = SCM_CDR (args);
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str2 = SCM_CAR (args); args = SCM_CDR (args);
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start2 = SCM_CAR (args);
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SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_left_x);
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SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_left_x);
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SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_left_x);
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SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_left_x);
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SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_left_x);
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i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1);
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SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_left_x);
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SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_left_x);
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SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_left_x);
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SCM_ASSERT (e-i+j <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_left_x);
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while (i<e) SCM_CHARS (str2)[j++] = SCM_CHARS (str1)[i++];
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return SCM_UNSPECIFIED;
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}
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SCM_PROC(s_substring_move_right_x, "substring-move-right!", 2, 0, 1, scm_substring_move_right_x);
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SCM
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scm_substring_move_right_x (str1, start1, args)
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SCM str1;
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SCM start1;
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SCM args;
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{
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SCM end1, str2, start2;
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long i, j, e;
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SCM_ASSERT (3==scm_ilength (args),
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scm_makfrom0str (s_substring_move_right_x), SCM_WNA, NULL);
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end1 = SCM_CAR (args); args = SCM_CDR (args);
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str2 = SCM_CAR (args); args = SCM_CDR (args);
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start2 = SCM_CAR (args);
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SCM_ASSERT (SCM_NIMP (str1) && SCM_STRINGP (str1), str1, SCM_ARG1, s_substring_move_right_x);
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SCM_ASSERT (SCM_INUMP (start1), start1, SCM_ARG2, s_substring_move_right_x);
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SCM_ASSERT (SCM_INUMP (end1), end1, SCM_ARG3, s_substring_move_right_x);
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SCM_ASSERT (SCM_NIMP (str2) && SCM_STRINGP (str2), str2, SCM_ARG4, s_substring_move_right_x);
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SCM_ASSERT (SCM_INUMP (start2), start2, SCM_ARG5, s_substring_move_right_x);
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i = SCM_INUM (start1), j = SCM_INUM (start2), e = SCM_INUM (end1);
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SCM_ASSERT (i <= SCM_LENGTH (str1) && i >= 0, start1, SCM_OUTOFRANGE, s_substring_move_right_x);
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SCM_ASSERT (j <= SCM_LENGTH (str2) && j >= 0, start2, SCM_OUTOFRANGE, s_substring_move_right_x);
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SCM_ASSERT (e <= SCM_LENGTH (str1) && e >= 0, end1, SCM_OUTOFRANGE, s_substring_move_right_x);
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SCM_ASSERT ((j = e-i+j) <= SCM_LENGTH (str2), start2, SCM_OUTOFRANGE, s_substring_move_right_x);
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while (i<e) SCM_CHARS (str2)[--j] = SCM_CHARS (str1)[--e];
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return SCM_UNSPECIFIED;
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}
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SCM_PROC(s_substring_fill_x, "substring-fill!", 2, 0, 1, scm_substring_fill_x);
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SCM
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scm_substring_fill_x (str, start, args)
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SCM str;
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SCM start;
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SCM args;
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{
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SCM end, fill;
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long i, e;
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char c;
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SCM_ASSERT (2==scm_ilength (args), scm_makfrom0str (s_substring_fill_x),
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SCM_WNA, NULL);
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end = SCM_CAR (args); args = SCM_CDR (args);
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fill = SCM_CAR (args);
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SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_substring_fill_x);
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SCM_ASSERT (SCM_INUMP (start), start, SCM_ARG2, s_substring_fill_x);
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SCM_ASSERT (SCM_INUMP (end), end, SCM_ARG3, s_substring_fill_x);
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SCM_ASSERT (SCM_ICHRP (fill), fill, SCM_ARG4, s_substring_fill_x);
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i = SCM_INUM (start), e = SCM_INUM (end);c = SCM_ICHR (fill);
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SCM_ASSERT (i <= SCM_LENGTH (str) && i >= 0, start, SCM_OUTOFRANGE, s_substring_fill_x);
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SCM_ASSERT (e <= SCM_LENGTH (str) && e >= 0, end, SCM_OUTOFRANGE, s_substring_fill_x);
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while (i<e) SCM_CHARS (str)[i++] = c;
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return SCM_UNSPECIFIED;
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}
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SCM_PROC(s_string_null_p, "string-null?", 1, 0, 0, scm_string_null_p);
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SCM
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scm_string_null_p (str)
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SCM str;
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{
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SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_null_p);
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return (SCM_ROLENGTH (str)
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? SCM_BOOL_F
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: SCM_BOOL_T);
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}
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SCM_PROC(s_string_to_list, "string->list", 1, 0, 0, scm_string_to_list);
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SCM
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scm_string_to_list (str)
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SCM str;
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{
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long i;
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SCM res = SCM_EOL;
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unsigned char *src;
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SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_string_to_list);
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src = SCM_ROUCHARS (str);
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for (i = SCM_ROLENGTH (str)-1;i >= 0;i--) res = scm_cons ((SCM)SCM_MAKICHR (src[i]), res);
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return res;
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}
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SCM_PROC(s_string_copy, "string-copy", 1, 0, 0, scm_string_copy);
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SCM
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scm_string_copy (str)
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SCM str;
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{
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SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_string_copy);
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return scm_makfromstr (SCM_CHARS (str), (scm_sizet)SCM_LENGTH (str), 0);
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}
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SCM_PROC(s_string_fill_x, "string-fill!", 2, 0, 0, scm_string_fill_x);
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SCM
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scm_string_fill_x (str, chr)
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SCM str;
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SCM chr;
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{
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register char *dst, c;
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register long k;
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SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_string_fill_x);
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SCM_ASSERT (SCM_ICHRP (chr), chr, SCM_ARG2, s_string_fill_x);
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c = SCM_ICHR (chr);
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dst = SCM_CHARS (str);
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for (k = SCM_LENGTH (str)-1;k >= 0;k--) dst[k] = c;
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return SCM_UNSPECIFIED;
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}
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void
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scm_init_strop ()
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{
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#include "strop.x"
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}
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