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indent: enhance debug logging for input handling

This commit is contained in:
rillig 2021-11-26 15:21:38 +00:00
parent 80501c8f97
commit eb461ef075
1 changed files with 23 additions and 12 deletions
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35
usr.bin/indent/io.c
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@ -1,4 +1,4 @@
/* $NetBSD: io.c,v 1.138 2021/11/26 15:08:48 rillig Exp $ */
/* $NetBSD: io.c,v 1.139 2021/11/26 15:21:38 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
@ -43,7 +43,7 @@ static char sccsid[] = "@(#)io.c 8.1 (Berkeley) 6/6/93";
#include <sys/cdefs.h>
#if defined(__NetBSD__)
__RCSID("$NetBSD: io.c,v 1.138 2021/11/26 15:08:48 rillig Exp $");
__RCSID("$NetBSD: io.c,v 1.139 2021/11/26 15:21:38 rillig Exp $");
#elif defined(__FreeBSD__)
__FBSDID("$FreeBSD: head/usr.bin/indent/io.c 334927 2018-06-10 16:44:18Z pstef $");
#endif
@ -133,18 +133,25 @@ inp_next(void)
}
#ifdef debug
static void
debug_inp_buf(const char *name, const char *s, const char *e)
{
if (s != NULL && e != NULL) {
debug_printf(" %-12s ", name);
debug_vis_range("\"", s, e, "\"\n");
}
}
void
debug_inp(const char *prefix)
{
debug_printf("%s:", prefix);
debug_vis_range(" inp \"", inbuf.inp.s, inbuf.inp.e, "\"");
if (inbuf.save_com_s != NULL)
debug_vis_range(" save_com \"",
inbuf.save_com_s, inbuf.save_com_e, "\"");
if (inbuf.saved_inp_s != NULL)
debug_vis_range(" saved_inp \"",
inbuf.saved_inp_s, inbuf.saved_inp_e, "\"");
debug_printf("\n");
debug_println("%s %s:", __func__, prefix);
if (inbuf.saved_inp_s == NULL)
debug_inp_buf("inp.buf", inbuf.inp.buf, inbuf.inp.s);
debug_inp_buf("inp", inbuf.inp.s, inbuf.inp.e); /* never null */
debug_inp_buf("save_com.buf", inbuf.save_com_buf, inbuf.save_com_s);
debug_inp_buf("save_com", inbuf.save_com_s, inbuf.save_com_e);
debug_inp_buf("saved_inp", inbuf.saved_inp_s, inbuf.saved_inp_e);
}
#endif
@ -202,11 +209,14 @@ inp_comment_init_comment(void)
assert((size_t)(inbuf.inp.s - inbuf.inp.buf) >= 4);
size_t line_len = (size_t)(inbuf.inp.s - inbuf.inp.buf) - 4;
assert(line_len < array_length(inbuf.save_com_buf));
memcpy(inbuf.save_com_buf, inbuf.inp.buf, line_len);
inbuf.save_com_s = inbuf.save_com_buf + line_len;
inbuf.save_com_s[0] = ' '; /* see inp_comment_insert_lbrace */
inbuf.save_com_s[1] = ' '; /* see inp_comment_insert_lbrace */
inbuf.save_com_e = &inbuf.save_com_s[2];
debug_vis_range("search_stmt_comment: before save_com is \"",
inbuf.save_com_buf, inbuf.save_com_s, "\"\n");
debug_vis_range("search_stmt_comment: save_com is \"",
@ -272,6 +282,7 @@ inp_comment_rtrim_newline(void)
void
inp_from_comment(void)
{
debug_inp("before inp_from_comment");
inbuf.saved_inp_s = inbuf.inp.s;
inbuf.saved_inp_e = inbuf.inp.e;
@ -279,7 +290,7 @@ inp_from_comment(void)
inbuf.inp.e = inbuf.save_com_e;
inbuf.save_com_s = NULL;
inbuf.save_com_e = NULL;
debug_inp(__func__);
debug_inp("after inp_from_comment");
}
/*