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indent: replace compute_label_column with compute_label_indent

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Using the invariant 'column == 1 + indent'.  This removes several overly
complicated '+ 1' from the code that are not needed conceptually.

No functional change.
This commit is contained in:
rillig 2021-03-13 09:54:11 +00:00
parent 4f1ab5eff9
commit 5888ddac66
3 changed files with 15 additions and 14 deletions
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6
usr.bin/indent/indent.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: indent.h,v 1.9 2021/03/13 09:21:57 rillig Exp $ */
/* $NetBSD: indent.h,v 1.10 2021/03/13 09:54:11 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
@ -30,7 +30,7 @@
#if 0
#if defined(__NetBSD__)
__RCSID("$NetBSD: indent.h,v 1.9 2021/03/13 09:21:57 rillig Exp $");
__RCSID("$NetBSD: indent.h,v 1.10 2021/03/13 09:54:11 rillig Exp $");
#elif defined(__FreeBSD__)
__FBSDID("$FreeBSD: head/usr.bin/indent/indent.h 336333 2018-07-16 05:46:50Z pstef $");
#endif
@ -46,7 +46,7 @@ __FBSDID("$FreeBSD: head/usr.bin/indent/indent.h 336333 2018-07-16 05:46:50Z pst
void add_typename(const char *);
void alloc_typenames(void);
int compute_code_column(void);
int compute_label_column(void);
int compute_label_indent(void);
int count_spaces(int, const char *);
int count_spaces_until(int, const char *, const char *);
void init_constant_tt(void);

17
usr.bin/indent/io.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: io.c,v 1.37 2021/03/13 09:48:04 rillig Exp $ */
/* $NetBSD: io.c,v 1.38 2021/03/13 09:54:11 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
@ -46,7 +46,7 @@ static char sccsid[] = "@(#)io.c 8.1 (Berkeley) 6/6/93";
#include <sys/cdefs.h>
#ifndef lint
#if defined(__NetBSD__)
__RCSID("$NetBSD: io.c,v 1.37 2021/03/13 09:48:04 rillig Exp $");
__RCSID("$NetBSD: io.c,v 1.38 2021/03/13 09:54:11 rillig Exp $");
#elif defined(__FreeBSD__)
__FBSDID("$FreeBSD: head/usr.bin/indent/io.c 334927 2018-06-10 16:44:18Z pstef $");
#endif
@ -162,7 +162,7 @@ dump_line(void)
while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
e_lab--;
*e_lab = '\0';
cur_col = 1 + output_indent(0, compute_label_column() - 1);
cur_col = 1 + output_indent(0, compute_label_indent());
if (s_lab[0] == '#' && (strncmp(s_lab, "#else", 5) == 0
|| strncmp(s_lab, "#endif", 6) == 0)) {
char *s = s_lab;
@ -315,12 +315,13 @@ compute_code_column(void)
}
int
compute_label_column(void)
compute_label_indent(void)
{
return
ps.pcase ? (int) (case_ind * opt.ind_size) + 1
: *s_lab == '#' ? 1
: opt.ind_size * (ps.ind_level - label_offset) + 1;
if (ps.pcase)
return (int) (case_ind * opt.ind_size);
if (s_lab[0] == '#')
return 0;
return opt.ind_size * (ps.ind_level - label_offset);
}

6
usr.bin/indent/pr_comment.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pr_comment.c,v 1.21 2021/03/13 00:26:56 rillig Exp $ */
/* $NetBSD: pr_comment.c,v 1.22 2021/03/13 09:54:11 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
@ -46,7 +46,7 @@ static char sccsid[] = "@(#)pr_comment.c 8.1 (Berkeley) 6/6/93";
#include <sys/cdefs.h>
#ifndef lint
#if defined(__NetBSD__)
__RCSID("$NetBSD: pr_comment.c,v 1.21 2021/03/13 00:26:56 rillig Exp $");
__RCSID("$NetBSD: pr_comment.c,v 1.22 2021/03/13 09:54:11 rillig Exp $");
#elif defined(__FreeBSD__)
__FBSDID("$FreeBSD: head/usr.bin/indent/pr_comment.c 334927 2018-06-10 16:44:18Z pstef $");
#endif
@ -166,7 +166,7 @@ pr_comment(void)
else {
target_col = 1;
if (s_lab != e_lab)
target_col = count_spaces(compute_label_column(), s_lab);
target_col = count_spaces(compute_label_indent() + 1, s_lab);
}
ps.com_col = ps.decl_on_line || ps.ind_level == 0 ? opt.decl_com_ind : opt.com_ind;
if (ps.com_col <= target_col)