541 lines
14 KiB
C
541 lines
14 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stix-prv.h"
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/*#include <stdio.h>*/ /* for snrintf(). used for floating-point number formatting */
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#include <stdarg.h>
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#if defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && (__WATCOMC__ < 1200))
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# define snprintf _snprintf
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# if !defined(HAVE_SNPRINTF)
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# define HAVE_SNPRINTF
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# endif
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#endif
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#if defined(HAVE_QUADMATH_H)
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# include <quadmath.h> /* for quadmath_snprintf() */
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#endif
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/* TODO: remove stdio.h and quadmath.h once snprintf gets replaced by own
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floting-point conversion implementation*/
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/* Max number conversion buffer length:
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* stix_intmax_t in base 2, plus NUL byte. */
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#define MAXNBUF (STIX_SIZEOF(stix_intmax_t) * 8 + 1)
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enum
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{
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/* integer */
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LF_C = (1 << 0),
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LF_H = (1 << 1),
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LF_J = (1 << 2),
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LF_L = (1 << 3),
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LF_Q = (1 << 4),
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LF_T = (1 << 5),
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LF_Z = (1 << 6),
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/* long double */
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LF_LD = (1 << 7),
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/* __float128 */
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LF_QD = (1 << 8)
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};
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static struct
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{
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stix_uint8_t flag; /* for single occurrence */
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stix_uint8_t dflag; /* for double occurrence */
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} lm_tab[26] =
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{
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{ 0, 0 }, /* a */
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{ 0, 0 }, /* b */
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{ 0, 0 }, /* c */
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{ 0, 0 }, /* d */
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{ 0, 0 }, /* e */
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{ 0, 0 }, /* f */
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{ 0, 0 }, /* g */
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{ LF_H, LF_C }, /* h */
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{ 0, 0 }, /* i */
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{ LF_J, 0 }, /* j */
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{ 0, 0 }, /* k */
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{ LF_L, LF_Q }, /* l */
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{ 0, 0 }, /* m */
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{ 0, 0 }, /* n */
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{ 0, 0 }, /* o */
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{ 0, 0 }, /* p */
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{ LF_Q, 0 }, /* q */
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{ 0, 0 }, /* r */
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{ 0, 0 }, /* s */
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{ LF_T, 0 }, /* t */
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{ 0, 0 }, /* u */
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{ 0, 0 }, /* v */
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{ 0, 0 }, /* w */
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{ 0, 0 }, /* z */
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{ 0, 0 }, /* y */
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{ LF_Z, 0 }, /* z */
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};
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enum
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{
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FLAGC_DOT = (1 << 0),
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FLAGC_SPACE = (1 << 1),
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FLAGC_SHARP = (1 << 2),
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FLAGC_SIGN = (1 << 3),
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FLAGC_LEFTADJ = (1 << 4),
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FLAGC_ZEROPAD = (1 << 5),
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FLAGC_WIDTH = (1 << 6),
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FLAGC_PRECISION = (1 << 7),
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FLAGC_STAR1 = (1 << 8),
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FLAGC_STAR2 = (1 << 9),
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FLAGC_LENMOD = (1 << 10) /* length modifier */
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};
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static const stix_bch_t hex2ascii_lower[] =
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{
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'0','1','2','3','4','5','6','7','8','9',
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'a','b','c','d','e','f','g','h','i','j','k','l','m',
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'n','o','p','q','r','s','t','u','v','w','x','y','z'
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};
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static const stix_bch_t hex2ascii_upper[] =
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{
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'0','1','2','3','4','5','6','7','8','9',
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'A','B','C','D','E','F','G','H','I','J','K','L','M',
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'N','O','P','Q','R','S','T','U','V','W','X','H','Z'
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};
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static stix_ooch_t ooch_nullstr[] = { '(','n','u','l','l', ')','\0' };
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static stix_bch_t bch_nullstr[] = { '(','n','u','l','l', ')','\0' };
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typedef int (*stix_fmtout_putch_t) (
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stix_t* stix,
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stix_oow_t mask,
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stix_ooch_t c,
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stix_oow_t len
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);
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typedef int (*stix_fmtout_putcs_t) (
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stix_t* stix,
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stix_oow_t mask,
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const stix_ooch_t* ptr,
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stix_oow_t len
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);
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typedef struct stix_fmtout_t stix_fmtout_t;
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struct stix_fmtout_t
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{
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stix_oow_t count; /* out */
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stix_oow_t mask; /* in */
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stix_fmtout_putch_t putch; /* in */
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stix_fmtout_putcs_t putcs; /* in */
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};
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/* ------------------------------------------------------------------------- */
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/*
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* Put a NUL-terminated ASCII number (base <= 36) in a buffer in reverse
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* order; return an optional length and a pointer to the last character
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* written in the buffer (i.e., the first character of the string).
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* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
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*/
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static stix_bch_t* sprintn_lower (stix_bch_t* nbuf, stix_uintmax_t num, int base, stix_ooi_t *lenp)
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{
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stix_bch_t* p;
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p = nbuf;
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*p = '\0';
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do { *++p = hex2ascii_lower[num % base]; } while (num /= base);
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if (lenp) *lenp = p - nbuf;
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return p; /* returns the end */
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}
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static stix_bch_t* sprintn_upper (stix_bch_t* nbuf, stix_uintmax_t num, int base, stix_ooi_t *lenp)
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{
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stix_bch_t* p;
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p = nbuf;
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*p = '\0';
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do { *++p = hex2ascii_upper[num % base]; } while (num /= base);
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if (lenp) *lenp = p - nbuf;
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return p; /* returns the end */
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}
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/* ------------------------------------------------------------------------- */
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static int put_ooch (stix_t* stix, stix_oow_t mask, stix_ooch_t ch, stix_oow_t len)
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{
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if (len <= 0) return 1;
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if (stix->log.len > 0 && stix->log.last_mask != mask)
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{
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/* the mask has changed. commit the buffered text */
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/* TODO: HANDLE LINE ENDING CONVENTION BETTER... */
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if (stix->log.ptr[stix->log.len - 1] != '\n')
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{
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/* no line ending - append a line terminator */
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stix->log.ptr[stix->log.len++] = '\n';
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}
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stix->vmprim.log_write (stix, stix->log.last_mask, stix->log.ptr, stix->log.len);
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stix->log.len = 0;
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}
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redo:
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if (len > stix->log.capa - stix->log.len)
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{
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stix_oow_t newcapa;
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stix_ooch_t* tmp;
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if (len > STIX_TYPE_MAX(stix_oow_t) - stix->log.len)
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{
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/* data too big */
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stix->errnum = STIX_ETOOBIG;
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return -1;
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}
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newcapa = STIX_ALIGN(stix->log.len + len, 512); /* TODO: adjust this capacity */
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tmp = stix_reallocmem (stix, stix->log.ptr, newcapa * STIX_SIZEOF(*tmp));
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if (!tmp)
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{
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if (stix->log.len > 0)
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{
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/* can't expand the buffer. just flush the existing contents */
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stix->vmprim.log_write (stix, stix->log.last_mask, stix->log.ptr, stix->log.len);
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stix->log.len = 0;
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goto redo;
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}
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return -1;
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}
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stix->log.ptr = tmp;
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stix->log.capa = newcapa - 1; /* -1 to handle line ending injection more easily */
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}
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while (len > 0)
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{
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stix->log.ptr[stix->log.len++] = ch;
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len--;
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}
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stix->log.last_mask = mask;
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return 1; /* success */
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}
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static int put_oocs (stix_t* stix, stix_oow_t mask, const stix_ooch_t* ptr, stix_oow_t len)
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{
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if (len <= 0) return 1;
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if (stix->log.len > 0 && stix->log.last_mask != mask)
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{
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/* the mask has changed. commit the buffered text */
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/* TODO: HANDLE LINE ENDING CONVENTION BETTER... */
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if (stix->log.ptr[stix->log.len - 1] != '\n')
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{
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/* no line ending - append a line terminator */
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stix->log.ptr[stix->log.len++] = '\n';
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}
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stix->vmprim.log_write (stix, stix->log.last_mask, stix->log.ptr, stix->log.len);
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stix->log.len = 0;
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}
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if (len > stix->log.capa - stix->log.len)
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{
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stix_oow_t newcapa;
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stix_ooch_t* tmp;
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if (len > STIX_TYPE_MAX(stix_oow_t) - stix->log.len)
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{
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/* data too big */
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stix->errnum = STIX_ETOOBIG;
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return -1;
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}
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newcapa = STIX_ALIGN(stix->log.len + len, 512); /* TODO: adjust this capacity */
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tmp = stix_reallocmem (stix, stix->log.ptr, newcapa * STIX_SIZEOF(*tmp));
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if (!tmp) return -1;
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stix->log.ptr = tmp;
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stix->log.capa = newcapa - 1; /* -1 to handle line ending injection more easily */
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}
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STIX_MEMCPY (&stix->log.ptr[stix->log.len], ptr, len * STIX_SIZEOF(*ptr));
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stix->log.len += len;
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stix->log.last_mask = mask;
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return 1; /* success */
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}
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/* ------------------------------------------------------------------------- */
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static void print_object (stix_t* stix, stix_oow_t mask, stix_oop_t oop)
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{
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if (oop == stix->_nil)
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{
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stix_logbfmt (stix, mask, "nil");
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}
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else if (oop == stix->_true)
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{
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stix_logbfmt (stix, mask, "true");
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}
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else if (oop == stix->_false)
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{
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stix_logbfmt (stix, mask, "false");
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}
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else if (STIX_OOP_IS_SMOOI(oop))
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{
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stix_logbfmt (stix, mask, "%zd", STIX_OOP_TO_SMOOI(oop));
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}
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else if (STIX_OOP_IS_CHAR(oop))
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{
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stix_logbfmt (stix, mask, "$%.1C", STIX_OOP_TO_CHAR(oop));
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}
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else if (STIX_OOP_IS_RSRC(oop))
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{
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stix_logbfmt (stix, mask, "%zX", stix->rsrc.ptr[STIX_OOP_TO_RSRC(oop)]);
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}
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else
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{
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stix_oop_class_t c;
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stix_oow_t i;
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STIX_ASSERT (STIX_OOP_IS_POINTER(oop));
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c = (stix_oop_class_t)STIX_OBJ_GET_CLASS(oop); /*STIX_CLASSOF(stix, oop);*/
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if ((stix_oop_t)c == stix->_large_negative_integer)
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{
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stix_oow_t i;
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stix_logbfmt (stix, mask, "-16r");
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for (i = STIX_OBJ_GET_SIZE(oop); i > 0;)
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{
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stix_logbfmt (stix, mask, "%0*lX", (int)(STIX_SIZEOF(stix_liw_t) * 2), (unsigned long)((stix_oop_liword_t)oop)->slot[--i]);
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}
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}
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else if ((stix_oop_t)c == stix->_large_positive_integer)
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{
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stix_oow_t i;
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stix_logbfmt (stix, mask, "16r");
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for (i = STIX_OBJ_GET_SIZE(oop); i > 0;)
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{
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stix_logbfmt (stix, mask, "%0*lX", (int)(STIX_SIZEOF(stix_liw_t) * 2), (unsigned long)((stix_oop_liword_t)oop)->slot[--i]);
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}
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}
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else if (STIX_OBJ_GET_FLAGS_TYPE(oop) == STIX_OBJ_TYPE_CHAR)
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{
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if ((stix_oop_t)c == stix->_symbol)
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{
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stix_logbfmt (stix, mask, "#%.*S", STIX_OBJ_GET_SIZE(oop), ((stix_oop_char_t)oop)->slot);
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}
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else /*if ((stix_oop_t)c == stix->_string)*/
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{
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stix_ooch_t ch;
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int escape = 0;
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for (i = 0; i < STIX_OBJ_GET_SIZE(oop); i++)
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{
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ch = ((stix_oop_char_t)oop)->slot[i];
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if (ch < ' ')
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{
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escape = 1;
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break;
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}
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}
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if (escape)
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{
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stix_ooch_t escaped;
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stix_logbfmt (stix, mask, "S'");
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for (i = 0; i < STIX_OBJ_GET_SIZE(oop); i++)
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{
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ch = ((stix_oop_char_t)oop)->slot[i];
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if (ch < ' ')
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{
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switch (ch)
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{
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case '\0':
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escaped = '0';
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break;
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case '\n':
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escaped = 'n';
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break;
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case '\r':
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escaped = 'r';
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break;
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case '\t':
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escaped = 't';
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break;
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case '\f':
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escaped = 'f';
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break;
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case '\b':
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escaped = 'b';
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break;
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case '\v':
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escaped = 'v';
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break;
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case '\a':
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escaped = 'a';
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break;
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default:
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escaped = ch;
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break;
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}
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if (escaped == ch)
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stix_logbfmt (stix, mask, "\\x%X", ch);
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else
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stix_logbfmt (stix, mask, "\\%C", escaped);
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}
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else
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{
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stix_logbfmt (stix, mask, "%C", ch);
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}
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}
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stix_logbfmt (stix, mask, "'");
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}
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else
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{
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stix_logbfmt (stix, mask, "'%.*S'", STIX_OBJ_GET_SIZE(oop), ((stix_oop_char_t)oop)->slot);
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}
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}
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}
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else if (STIX_OBJ_GET_FLAGS_TYPE(oop) == STIX_OBJ_TYPE_BYTE)
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{
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stix_logbfmt (stix, mask, "#[");
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for (i = 0; i < STIX_OBJ_GET_SIZE(oop); i++)
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{
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stix_logbfmt (stix, mask, " %d", ((stix_oop_byte_t)oop)->slot[i]);
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}
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stix_logbfmt (stix, mask, "]");
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}
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else if (STIX_OBJ_GET_FLAGS_TYPE(oop) == STIX_OBJ_TYPE_HALFWORD)
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{
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stix_logbfmt (stix, mask, "#[["); /* TODO: fix this symbol/notation */
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for (i = 0; i < STIX_OBJ_GET_SIZE(oop); i++)
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{
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stix_logbfmt (stix, mask, " %zX", (stix_oow_t)((stix_oop_halfword_t)oop)->slot[i]);
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}
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stix_logbfmt (stix, mask, "]]");
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}
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else if (STIX_OBJ_GET_FLAGS_TYPE(oop) == STIX_OBJ_TYPE_WORD)
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{
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stix_logbfmt (stix, mask, "#[[["); /* TODO: fix this symbol/notation */
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for (i = 0; i < STIX_OBJ_GET_SIZE(oop); i++)
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{
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stix_logbfmt (stix, mask, " %zX", ((stix_oop_word_t)oop)->slot[i]);
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}
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stix_logbfmt (stix, mask, "]]]");
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}
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else if ((stix_oop_t)c == stix->_array)
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{
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stix_logbfmt (stix, mask, "#(");
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for (i = 0; i < STIX_OBJ_GET_SIZE(oop); i++)
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{
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stix_logbfmt (stix, mask, " ");
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print_object (stix, mask, ((stix_oop_oop_t)oop)->slot[i]);
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}
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stix_logbfmt (stix, mask, ")");
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}
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else if ((stix_oop_t)c == stix->_class)
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{
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/* print the class name */
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stix_logbfmt (stix, mask, "%.*S", STIX_OBJ_GET_SIZE(((stix_oop_class_t)oop)->name), ((stix_oop_class_t)oop)->name->slot);
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}
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else if ((stix_oop_t)c == stix->_association)
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{
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stix_logbfmt (stix, mask, "%O -> %O", ((stix_oop_association_t)oop)->key, ((stix_oop_association_t)oop)->value);
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}
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else
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{
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stix_logbfmt (stix, mask, "instance of %.*S(%p)", STIX_OBJ_GET_SIZE(c->name), ((stix_oop_char_t)c->name)->slot, oop);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
#undef fmtchar_t
|
|
#undef logfmtv
|
|
#define fmtchar_t stix_bch_t
|
|
#define FMTCHAR_IS_BCH
|
|
#define logfmtv stix_logbfmtv
|
|
#include "logfmtv.h"
|
|
|
|
#undef fmtchar_t
|
|
#undef logfmtv
|
|
#define fmtchar_t stix_ooch_t
|
|
#define logfmtv stix_logoofmtv
|
|
#define FMTCHAR_IS_OOCH
|
|
#include "logfmtv.h"
|
|
|
|
stix_ooi_t stix_logbfmt (stix_t* stix, stix_oow_t mask, const stix_bch_t* fmt, ...)
|
|
{
|
|
int x;
|
|
va_list ap;
|
|
stix_fmtout_t fo;
|
|
|
|
fo.mask = mask;
|
|
fo.putch = put_ooch;
|
|
fo.putcs = put_oocs;
|
|
|
|
va_start (ap, fmt);
|
|
x = stix_logbfmtv (stix, fmt, &fo, ap);
|
|
va_end (ap);
|
|
|
|
if (stix->log.len > 0 && stix->log.ptr[stix->log.len - 1] == '\n')
|
|
{
|
|
stix->vmprim.log_write (stix, stix->log.last_mask, stix->log.ptr, stix->log.len);
|
|
stix->log.len = 0;
|
|
}
|
|
return (x <= -1)? -1: fo.count;
|
|
}
|
|
|
|
stix_ooi_t stix_logoofmt (stix_t* stix, stix_oow_t mask, const stix_ooch_t* fmt, ...)
|
|
{
|
|
int x;
|
|
va_list ap;
|
|
stix_fmtout_t fo;
|
|
|
|
fo.mask = mask;
|
|
fo.putch = put_ooch;
|
|
fo.putcs = put_oocs;
|
|
|
|
va_start (ap, fmt);
|
|
x = stix_logoofmtv (stix, fmt, &fo, ap);
|
|
va_end (ap);
|
|
|
|
if (stix->log.len > 0 && stix->log.ptr[stix->log.len - 1] == '\n')
|
|
{
|
|
stix->vmprim.log_write (stix, stix->log.last_mask, stix->log.ptr, stix->log.len);
|
|
stix->log.len = 0;
|
|
}
|
|
|
|
return (x <= -1)? -1: fo.count;
|
|
}
|