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[src/trunk]: src/usr.bin/indent indent: replace column calculations with inde...



details:   https://anonhg.NetBSD.org/src/rev/defa04d96190
branches:  trunk
changeset: 1024039:defa04d96190
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Oct 08 17:19:49 2021 +0000

description:
indent: replace column calculations with indent, part 4/4

diffstat:

 usr.bin/indent/indent.h     |   5 ++---
 usr.bin/indent/io.c         |   6 +++---
 usr.bin/indent/pr_comment.c |  30 +++++++++++++++---------------
 3 files changed, 20 insertions(+), 21 deletions(-)

diffs (126 lines):

diff -r 6a37e77fd081 -r defa04d96190 usr.bin/indent/indent.h
--- a/usr.bin/indent/indent.h   Fri Oct 08 17:12:08 2021 +0000
+++ b/usr.bin/indent/indent.h   Fri Oct 08 17:19:49 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: indent.h,v 1.32 2021/10/08 16:20:33 rillig Exp $       */
+/*     $NetBSD: indent.h,v 1.33 2021/10/08 17:19:49 rillig Exp $       */
 
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
@@ -282,8 +282,7 @@
                                 * an initialization list */
     bool       col_1;          /* whether the last token started in
                                 * column 1 */
-    int         com_col;       /* this is the column in which the current
-                                * comment should start */
+    int         com_ind;       /* indentation of the current comment */
     int         decl_nest;     /* current nesting level for structure or init */
     bool       decl_on_line;   /* whether this line of code has part
                                 * of a declaration on it */
diff -r 6a37e77fd081 -r defa04d96190 usr.bin/indent/io.c
--- a/usr.bin/indent/io.c       Fri Oct 08 17:12:08 2021 +0000
+++ b/usr.bin/indent/io.c       Fri Oct 08 17:19:49 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: io.c,v 1.84 2021/10/08 17:12:08 rillig Exp $   */
+/*     $NetBSD: io.c,v 1.85 2021/10/08 17:19:49 rillig Exp $   */
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: io.c,v 1.84 2021/10/08 17:12:08 rillig Exp $");
+__RCSID("$NetBSD: io.c,v 1.85 2021/10/08 17:19:49 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/io.c 334927 2018-06-10 16:44:18Z pstef $");
 #endif
@@ -214,7 +214,7 @@
        }
 
        if (com.s != com.e) {   /* print comment, if any */
-           int target_ind = ps.com_col - 1;
+           int target_ind = ps.com_ind;
            char *com_st = com.s;
 
            target_ind += ps.comment_delta;
diff -r 6a37e77fd081 -r defa04d96190 usr.bin/indent/pr_comment.c
--- a/usr.bin/indent/pr_comment.c       Fri Oct 08 17:12:08 2021 +0000
+++ b/usr.bin/indent/pr_comment.c       Fri Oct 08 17:19:49 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pr_comment.c,v 1.59 2021/10/08 17:12:08 rillig Exp $   */
+/*     $NetBSD: pr_comment.c,v 1.60 2021/10/08 17:19:49 rillig Exp $   */
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: pr_comment.c,v 1.59 2021/10/08 17:12:08 rillig Exp $");
+__RCSID("$NetBSD: pr_comment.c,v 1.60 2021/10/08 17:19:49 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/pr_comment.c 334927 2018-06-10 16:44:18Z pstef $");
 #endif
@@ -102,7 +102,7 @@
                                 * column 1, it should not be touched */
        ps.box_com = true;
        break_delim = false;
-       ps.com_col = 1;
+       ps.com_ind = 0;
 
     } else {
        if (*inp.s == '-' || *inp.s == '*' || token.e[-1] == '/' ||
@@ -118,10 +118,10 @@
        }
 
        if (lab.s == lab.e && code.s == code.e) {
-           ps.com_col = (ps.ind_level - opt.unindent_displace) * opt.indent_size + 1;
+           ps.com_ind = (ps.ind_level - opt.unindent_displace) * opt.indent_size;
            adj_max_line_length = opt.block_comment_max_line_length;
-           if (ps.com_col <= 1)
-               ps.com_col = 1 + (!opt.format_col1_comments ? 1 : 0);
+           if (ps.com_ind <= 0)
+               ps.com_ind = opt.format_col1_comments ? 0 : 1;
 
        } else {
            break_delim = false;
@@ -134,13 +134,13 @@
            else
                target_ind = 0;
 
-           ps.com_col = ps.decl_on_line || ps.ind_level == 0
-               ? opt.decl_comment_column : opt.comment_column;
-           if (ps.com_col <= target_ind + 1)
-               ps.com_col = opt.tabsize * (1 + target_ind / opt.tabsize) + 1;
-           if (ps.com_col + 24 > adj_max_line_length)
-               /* XXX: mismatch between column and length */
-               adj_max_line_length = ps.com_col + 24;
+           ps.com_ind = ps.decl_on_line || ps.ind_level == 0
+               ? opt.decl_comment_column - 1 : opt.comment_column - 1;
+           if (ps.com_ind <= target_ind)
+               ps.com_ind = opt.tabsize * (1 + target_ind / opt.tabsize);
+           /* XXX: the '+ 1' smells like an off-by-one error */
+           if (ps.com_ind + 1 + 24 > adj_max_line_length)
+               adj_max_line_length = ps.com_ind + 1 + 24;
        }
     }
 
@@ -185,7 +185,7 @@
                 * the trailing ' ' '*' '/'.  In simple cases, these cancel
                 * out since they are equally long.
                 */
-               int right_margin = indentation_after_range(ps.com_col - 1,
+               int right_margin = indentation_after_range(ps.com_ind,
                    inp.s, t_ptr + 2);
                if (right_margin < adj_max_line_length)
                    break_delim = false;
@@ -308,7 +308,7 @@
 
        default:                /* we have a random char */
            ;
-           int now_len = indentation_after_range(ps.com_col - 1, com.s, com.e);
+           int now_len = indentation_after_range(ps.com_ind, com.s, com.e);
            do {
                check_size_comment(1);
                char ch = inbuf_next();



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