Module Name:    src
Committed By:   rillig
Date:           Thu Oct  7 21:52:54 UTC 2021

Modified Files:
        src/usr.bin/indent: indent.c io.c lexi.c parse.c pr_comment.c

Log Message:
indent: let the code breathe a bit by inserting empty lines

No functional change.


To generate a diff of this commit:
cvs rdiff -u -r1.118 -r1.119 src/usr.bin/indent/indent.c
cvs rdiff -u -r1.76 -r1.77 src/usr.bin/indent/io.c
cvs rdiff -u -r1.74 -r1.75 src/usr.bin/indent/lexi.c
cvs rdiff -u -r1.31 -r1.32 src/usr.bin/indent/parse.c
cvs rdiff -u -r1.55 -r1.56 src/usr.bin/indent/pr_comment.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/indent/indent.c
diff -u src/usr.bin/indent/indent.c:1.118 src/usr.bin/indent/indent.c:1.119
--- src/usr.bin/indent/indent.c:1.118	Thu Oct  7 21:43:20 2021
+++ src/usr.bin/indent/indent.c	Thu Oct  7 21:52:54 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: indent.c,v 1.118 2021/10/07 21:43:20 rillig Exp $	*/
+/*	$NetBSD: indent.c,v 1.119 2021/10/07 21:52:54 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@ static char sccsid[] = "@(#)indent.c	5.1
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: indent.c,v 1.118 2021/10/07 21:43:20 rillig Exp $");
+__RCSID("$NetBSD: indent.c,v 1.119 2021/10/07 21:52:54 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/indent.c 340138 2018-11-04 19:24:49Z oshogbo $");
 #endif
@@ -181,9 +181,11 @@ search_brace_comment(bool *comment_buffe
 	save_com[0] = save_com[1] = ' ';
 	sc_end = &save_com[2];
     }
+
     *comment_buffered = true;
     *sc_end++ = '/';		/* copy in start of comment */
     *sc_end++ = '*';
+
     for (;;) {			/* loop until the end of the comment */
 	*sc_end++ = inbuf_next();
 	if (sc_end[-1] == '*' && *buf_ptr == '/')
@@ -195,6 +197,7 @@ search_brace_comment(bool *comment_buffe
 	    exit(1);
 	}
     }
+
     *sc_end++ = '/';		/* add ending slash */
     inbuf_skip();		/* get past / in buffer */
 }
@@ -238,14 +241,17 @@ search_brace_other(token_type ttype, boo
 		*token.s == 'i' && last_else && opt.else_if);
     if (remove_newlines)
 	*force_nl = false;
+
     if (sc_end == NULL) {	/* ignore buffering if comment wasn't saved
 				 * up */
 	ps.search_brace = false;
 	return false;
     }
+
     while (sc_end > save_com && isblank((unsigned char)sc_end[-1])) {
 	sc_end--;
     }
+
     if (opt.swallow_optional_blanklines ||
 	(!comment_buffered && remove_newlines)) {
 	*force_nl = !remove_newlines;
@@ -253,6 +259,7 @@ search_brace_other(token_type ttype, boo
 	    sc_end--;
 	}
     }
+
     if (*force_nl) {		/* if we should insert a nl here, put it into
 				 * the buffer */
 	*force_nl = false;
@@ -263,6 +270,7 @@ search_brace_other(token_type ttype, boo
 	if (opt.verbose)	/* warn if the line was not already broken */
 	    diag(0, "Line broken");
     }
+
     for (const char *t_ptr = token.s; *t_ptr != '\0'; ++t_ptr)
 	*sc_end++ = *t_ptr;
     return true;
@@ -432,6 +440,7 @@ main_init_globals(void)
     buf_init(&lab);
     buf_init(&code);
     buf_init(&token);
+
     opt.else_if = true;		/* XXX: redundant? */
 
     in_buffer = xmalloc(10);
@@ -439,10 +448,11 @@ main_init_globals(void)
     buf_ptr = buf_end = in_buffer;
     line_no = 1;
     had_eof = ps.in_decl = ps.decl_on_line = (break_comma = false);
+
     ps.in_or_st = false;
     ps.want_blank = ps.in_stmt = ps.ind_stmt = false;
-
     ps.is_case_label = false;
+
     sc_end = NULL;
     bp_save = NULL;
     be_save = NULL;
@@ -633,6 +643,7 @@ process_lparen_or_lbracket(int decl_ind,
 	    nitems(ps.paren_indents));
 	ps.p_l_follow--;
     }
+
     if (token.s[0] == '(' && ps.in_decl
 	&& !ps.block_init && !ps.dumped_decl_indent &&
 	ps.procname[0] == '\0' && ps.paren_level == 0) {
@@ -654,6 +665,7 @@ process_lparen_or_lbracket(int decl_ind,
 	ps.paren_indents[0] = (short)(2 * opt.indent_size);
 	debug_println("paren_indent[0] is now %d", ps.paren_indents[0]);
     }
+
     if (ps.in_or_st && *token.s == '(' && ps.tos <= 2) {
 	/*
 	 * this is a kluge to make sure that declarations will be aligned
@@ -663,6 +675,7 @@ process_lparen_or_lbracket(int decl_ind,
 	ps.in_or_st = false;	/* turn off flag for structure decl or
 				 * initialization */
     }
+
     /* parenthesized type following sizeof or offsetof is not a cast */
     if (ps.keyword == kw_offsetof || ps.keyword == kw_sizeof)
 	ps.not_cast_mask |= 1 << ps.p_l_follow;
@@ -841,6 +854,7 @@ process_lbrace(bool *force_nl, bool *sp_
     int *di_stack, int di_stack_cap, int *decl_ind)
 {
     ps.in_stmt = false;		/* don't indent the {} */
+
     if (!ps.block_init)
 	*force_nl = true;	/* force other stuff on same line as '{' onto
 				 * new line */
@@ -863,6 +877,7 @@ process_lbrace(bool *force_nl, bool *sp_
 		ps.want_blank = true;
 	}
     }
+
     if (ps.in_parameter_declaration)
 	prefix_blankline_requested = false;
 
@@ -875,6 +890,7 @@ process_lbrace(bool *force_nl, bool *sp_
 	    ps.ind_level = ps.ind_level_follow;
 	}
     }
+
     if (code.s == code.e)
 	ps.ind_stmt = false;	/* don't indent the '{' itself */
     if (ps.in_decl && ps.in_or_st) {	/* this is either a structure
@@ -895,6 +911,7 @@ process_lbrace(bool *force_nl, bool *sp_
 	ps.in_parameter_declaration = false;
 	ps.in_decl = false;
     }
+
     *decl_ind = 0;
     parse(lbrace);
     if (ps.want_blank)
@@ -911,32 +928,39 @@ process_rbrace(bool *sp_sw, int *decl_in
 							 * omitted in
 							 * declarations */
 	parse(semicolon);
+
     if (ps.p_l_follow != 0) {	/* check for unclosed if, for, else. */
 	diag(1, "Unbalanced parens");
 	ps.p_l_follow = 0;
 	*sp_sw = false;
     }
+
     ps.just_saw_decl = 0;
     ps.block_init_level--;
+
     if (code.s != code.e && !ps.block_init) {	/* '}' must be first on line */
 	if (opt.verbose)
 	    diag(0, "Line broken");
 	dump_line();
     }
+
     *code.e++ = '}';
     ps.want_blank = true;
     ps.in_stmt = ps.ind_stmt = false;
+
     if (ps.decl_nest > 0) { /* we are in multi-level structure declaration */
 	*decl_ind = di_stack[--ps.decl_nest];
 	if (ps.decl_nest == 0 && !ps.in_parameter_declaration)
 	    ps.just_saw_decl = 2;
 	ps.in_decl = true;
     }
+
     prefix_blankline_requested = false;
     parse(rbrace);		/* let parser know about this */
     ps.search_brace = opt.cuddle_else
 	&& ps.p_stack[ps.tos] == if_expr_stmt
 	&& ps.il[ps.tos] >= ps.ind_level;
+
     if (ps.tos <= 1 && opt.blanklines_after_procs && ps.decl_nest <= 0)
 	postfix_blankline_requested = true;
 }
@@ -945,6 +969,7 @@ static void
 process_keyword_do_else(bool *force_nl, bool *last_else)
 {
     ps.in_stmt = false;
+
     if (*token.s == 'e') {
 	if (code.e != code.s && (!opt.cuddle_else || code.e[-1] != '}')) {
 	    if (opt.verbose)
@@ -952,9 +977,11 @@ process_keyword_do_else(bool *force_nl, 
 	    dump_line();	/* make sure this starts a line */
 	    ps.want_blank = false;
 	}
+
 	*force_nl = true;	/* following stuff must go onto new line */
 	*last_else = true;
 	parse(keyword_else);
+
     } else {
 	if (code.e != code.s) {	/* make sure this starts a line */
 	    if (opt.verbose)
@@ -962,6 +989,7 @@ process_keyword_do_else(bool *force_nl, 
 	    dump_line();
 	    ps.want_blank = false;
 	}
+
 	*force_nl = true;	/* following stuff must go onto new line */
 	*last_else = false;
 	parse(keyword_do);
@@ -972,22 +1000,26 @@ static void
 process_decl(int *out_decl_ind, bool *out_tabs_to_var)
 {
     parse(decl);		/* let parser worry about indentation */
+
     if (ps.last_token == rparen && ps.tos <= 1) {
 	if (code.s != code.e) {
 	    dump_line();
 	    ps.want_blank = false;
 	}
     }
+
     if (ps.in_parameter_declaration && opt.indent_parameters &&
 	ps.decl_nest == 0) {
 	ps.ind_level = ps.ind_level_follow = 1;
 	ps.ind_stmt = false;
     }
+
     ps.in_or_st = true;		/* this might be a structure or initialization
 				 * declaration */
     ps.in_decl = ps.decl_on_line = ps.last_token != type_def;
     if ( /* !ps.in_or_st && */ ps.decl_nest <= 0)
 	ps.just_saw_decl = 2;
+
     prefix_blankline_requested = false;
 
     int len = (int)strlen(token.s) + 1;
@@ -1012,6 +1044,7 @@ process_ident(token_type ttype, int decl
 		*code.e++ = ' ';
 	    }
 	    ps.want_blank = false;
+
 	} else if (!ps.block_init && !ps.dumped_decl_indent &&
 	    ps.paren_level == 0) {	/* if we are in a declaration, we must
 					 * indent identifier */
@@ -1019,6 +1052,7 @@ process_ident(token_type ttype, int decl
 	    ps.dumped_decl_indent = true;
 	    ps.want_blank = false;
 	}
+
     } else if (*sp_sw && ps.p_l_follow == 0) {
 	*sp_sw = false;
 	*force_nl = true;
@@ -1057,13 +1091,16 @@ process_comma(int decl_ind, bool tabs_to
 {
     ps.want_blank = (code.s != code.e);	/* only put blank after comma if comma
 					 * does not start the line */
+
     if (ps.in_decl && ps.procname[0] == '\0' && !ps.block_init &&
 	!ps.dumped_decl_indent && ps.paren_level == 0) {
 	/* indent leading commas and not the actual identifiers */
 	indent_declaration(decl_ind - 1, tabs_to_var);
 	ps.dumped_decl_indent = true;
     }
+
     *code.e++ = ',';
+
     if (ps.p_l_follow == 0) {
 	if (ps.block_init_level <= 0)
 	    ps.block_init = false;
@@ -1172,16 +1209,19 @@ process_preprocessing(void)
 	    state_stack[ifdef_level++] = ps;
 	else
 	    diag(1, "#if stack overflow");
+
     } else if (strncmp(lab.s, "#el", 3) == 0) {	/* else, elif */
 	if (ifdef_level <= 0)
 	    diag(1, lab.s[3] == 'i' ? "Unmatched #elif" : "Unmatched #else");
 	else
 	    ps = state_stack[ifdef_level - 1];
+
     } else if (strncmp(lab.s, "#endif", 6) == 0) {
 	if (ifdef_level <= 0)
 	    diag(1, "Unmatched #endif");
 	else
 	    ifdef_level--;
+
     } else {
 	if (strncmp(lab.s + 1, "pragma", 6) != 0 &&
 	    strncmp(lab.s + 1, "error", 5) != 0 &&
@@ -1193,6 +1233,7 @@ process_preprocessing(void)
 	    return;
 	}
     }
+
     if (opt.blanklines_around_conditional_compilation) {
 	postfix_blankline_requested = true;
 	next_blank_lines = 0;
@@ -1379,6 +1420,7 @@ main_loop(void)
 	case preprocessing:	/* the initial '#' */
 	    process_preprocessing();
 	    break;
+
 	case comment:		/* the initial '/' '*' or '//' of a comment */
 	    process_comment();
 	    break;
@@ -1426,11 +1468,13 @@ bakcopy(void)
     bak_fd = creat(bakfile, 0600);
     if (bak_fd < 0)
 	err(1, "%s", bakfile);
+
     while ((n = read(fileno(input), buff, sizeof(buff))) > 0)
 	if (write(bak_fd, buff, (size_t)n) != n)
 	    err(1, "%s", bakfile);
     if (n < 0)
 	err(1, "%s", in_name);
+
     close(bak_fd);
     (void)fclose(input);
 

Index: src/usr.bin/indent/io.c
diff -u src/usr.bin/indent/io.c:1.76 src/usr.bin/indent/io.c:1.77
--- src/usr.bin/indent/io.c:1.76	Thu Oct  7 21:38:25 2021
+++ src/usr.bin/indent/io.c	Thu Oct  7 21:52:54 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: io.c,v 1.76 2021/10/07 21:38:25 rillig Exp $	*/
+/*	$NetBSD: io.c,v 1.77 2021/10/07 21:52:54 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@ static char sccsid[] = "@(#)io.c	8.1 (Be
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: io.c,v 1.76 2021/10/07 21:38:25 rillig Exp $");
+__RCSID("$NetBSD: io.c,v 1.77 2021/10/07 21:52:54 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/io.c 334927 2018-06-10 16:44:18Z pstef $");
 #endif
@@ -123,6 +123,7 @@ dump_line(void)
 	    suppress_blanklines--;
 	else
 	    next_blank_lines++;
+
     } else if (!inhibit_formatting) {
 	suppress_blanklines = 0;
 	if (prefix_blankline_requested && not_first_line) {
@@ -134,9 +135,11 @@ dump_line(void)
 		    next_blank_lines = 1;
 	    }
 	}
+
 	while (--next_blank_lines >= 0)
 	    output_char('\n');
 	next_blank_lines = 0;
+
 	if (ps.ind_level == 0)
 	    ps.ind_stmt = false;	/* this is a class A kludge. don't do
 					 * additional statement indentation if
@@ -145,16 +148,18 @@ dump_line(void)
 	if (lab.e != lab.s || code.e != code.s)
 	    ps.stats.code_lines++;
 
-
 	if (lab.e != lab.s) {	/* print lab, if any */
 	    if (comment_open) {
 		comment_open = false;
 		output_string(".*/\n");
 	    }
+
 	    while (lab.e > lab.s && is_hspace(lab.e[-1]))
 		lab.e--;
 	    *lab.e = '\0';
+
 	    cur_col = 1 + output_indent(0, compute_label_indent());
+
 	    if (lab.s[0] == '#' && (strncmp(lab.s, "#else", 5) == 0
 		    || strncmp(lab.s, "#endif", 6) == 0)) {
 		char *s = lab.s;
@@ -163,8 +168,10 @@ dump_line(void)
 		do {
 		    output_char(*s++);
 		} while (s < lab.e && 'a' <= *s && *s <= 'z');
+
 		while (s < lab.e && is_hspace(*s))
 		    s++;
+
 		if (s < lab.e) {
 		    if (s[0] == '/' && s[1] == '*') {
 			output_char('\t');
@@ -188,6 +195,7 @@ dump_line(void)
 		comment_open = false;
 		output_string(".*/\n");
 	    }
+
 	    int target_col = 1 + compute_code_indent();
 	    {
 		int i;
@@ -206,10 +214,12 @@ dump_line(void)
 		    }
 		}
 	    }
+
 	    cur_col = 1 + output_indent(cur_col - 1, target_col - 1);
 	    output_range(code.s, code.e);
 	    cur_col = 1 + indentation_after(cur_col - 1, code.s);
 	}
+
 	if (com.s != com.e) {	/* print comment, if any */
 	    int target_col = ps.com_col;
 	    char *com_st = com.s;
@@ -239,11 +249,13 @@ dump_line(void)
 	    ps.comment_delta = ps.n_comment_delta;
 	    ps.stats.comment_lines++;
 	}
+
 	if (ps.use_ff)
 	    output_char('\f');
 	else
 	    output_char('\n');
 	ps.stats.lines++;
+
 	if (ps.just_saw_decl == 1 && opt.blanklines_after_declarations) {
 	    prefix_blankline_requested = true;
 	    ps.just_saw_decl = 0;
@@ -261,16 +273,20 @@ dump_line(void)
     ps.ind_stmt = ps.in_stmt && !ps.in_decl;
     ps.use_ff = false;
     ps.dumped_decl_indent = false;
+
     *(lab.e = lab.s) = '\0';	/* reset buffers */
     *(code.e = code.s) = '\0';
     *(com.e = com.s = com.buf + 1) = '\0';
+
     ps.ind_level = ps.ind_level_follow;
     ps.paren_level = ps.p_l_follow;
+
     if (ps.paren_level > 0) {
 	/* TODO: explain what negative indentation means */
 	paren_indent = -ps.paren_indents[ps.paren_level - 1];
 	debug_println("paren_indent is now %d", paren_indent);
     }
+
     not_first_line = true;
 }
 
@@ -285,6 +301,7 @@ compute_code_indent(void)
 		target_ind += opt.continuation_indent;
 	    else
 		target_ind += opt.continuation_indent * ps.paren_level;
+
 	else if (opt.lineup_to_parens_always)
 	    /*
 	     * XXX: where does this '- 1' come from?  It looks strange but is
@@ -292,6 +309,7 @@ compute_code_indent(void)
 	     * the test opt-lpl.0.
 	     */
 	    target_ind = paren_indent - 1;
+
 	else {
 	    int w;
 	    int t = paren_indent;
@@ -304,8 +322,10 @@ compute_code_indent(void)
 	    } else
 		target_ind = t - 1;
 	}
+
     } else if (ps.ind_stmt)
 	target_ind += opt.continuation_indent;
+
     return target_ind;
 }
 
@@ -351,6 +371,7 @@ parse_indent_comment(void)
     if (!skip_string(&p, "INDENT"))
 	return;
     skip_hspace(&p);
+
     if (*p == '*' || skip_string(&p, "ON"))
 	on_off = true;
     else if (skip_string(&p, "OFF"))
@@ -398,6 +419,7 @@ fill_buffer(void)
 	    return;		/* only return if there is really something in
 				 * this buffer */
     }
+
     for (p = in_buffer;;) {
 	if (p >= in_buffer_limit) {
 	    size_t size = (size_t)(in_buffer_limit - in_buffer) * 2 + 10;
@@ -406,25 +428,30 @@ fill_buffer(void)
 	    p = in_buffer + offset;
 	    in_buffer_limit = in_buffer + size - 2;
 	}
+
 	if ((ch = getc(f)) == EOF) {
 	    *p++ = ' ';
 	    *p++ = '\n';
 	    had_eof = true;
 	    break;
 	}
+
 	if (ch != '\0')
 	    *p++ = (char)ch;
 	if (ch == '\n')
 	    break;
     }
+
     buf_ptr = in_buffer;
     buf_end = p;
+
     if (p - in_buffer > 2 && p[-2] == '/' && p[-3] == '*') {
 	if (in_buffer[3] == 'I' && strncmp(in_buffer, "/**INDENT**", 11) == 0)
 	    fill_buffer();	/* flush indent error message */
 	else
 	    parse_indent_comment();
     }
+
     if (inhibit_formatting) {
 	p = in_buffer;
 	do {

Index: src/usr.bin/indent/lexi.c
diff -u src/usr.bin/indent/lexi.c:1.74 src/usr.bin/indent/lexi.c:1.75
--- src/usr.bin/indent/lexi.c:1.74	Thu Oct  7 21:41:59 2021
+++ src/usr.bin/indent/lexi.c	Thu Oct  7 21:52:54 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: lexi.c,v 1.74 2021/10/07 21:41:59 rillig Exp $	*/
+/*	$NetBSD: lexi.c,v 1.75 2021/10/07 21:52:54 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@ static char sccsid[] = "@(#)lexi.c	8.1 (
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: lexi.c,v 1.74 2021/10/07 21:41:59 rillig Exp $");
+__RCSID("$NetBSD: lexi.c,v 1.75 2021/10/07 21:52:54 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/lexi.c 337862 2018-08-15 18:19:45Z pstef $");
 #endif
@@ -271,6 +271,7 @@ lex_number(void)
 	uint8_t ch = (uint8_t)*buf_ptr;
 	if (ch >= nitems(num_lex_row) || num_lex_row[ch] == 0)
 	    break;
+
 	uint8_t row = num_lex_row[ch];
 	if (num_lex_state[row][s - 'A'] == ' ') {
 	    /*-
@@ -279,6 +280,7 @@ lex_number(void)
 	     */
 	    break;
 	}
+
 	s = num_lex_state[row][s - 'A'];
 	check_size_token(1);
 	*token.e++ = inbuf_next();
@@ -291,6 +293,7 @@ lex_word(void)
     while (isalnum((unsigned char)*buf_ptr) ||
 	   *buf_ptr == '\\' ||
 	   *buf_ptr == '_' || *buf_ptr == '$') {
+
 	/* fill_buffer() terminates buffer with newline */
 	if (*buf_ptr == '\\') {
 	    if (buf_ptr[1] == '\n') {
@@ -300,6 +303,7 @@ lex_word(void)
 	    } else
 		break;
 	}
+
 	check_size_token(1);
 	*token.e++ = inbuf_next();
     }
@@ -313,10 +317,12 @@ lex_char_or_string(void)
 	    diag(1, "Unterminated literal");
 	    return;
 	}
+
 	check_size_token(2);
 	*token.e++ = inbuf_next();
 	if (token.e[-1] == delim)
 	    return;
+
 	if (token.e[-1] == '\\') {
 	    if (*buf_ptr == '\n')
 		++line_no;
@@ -422,14 +428,18 @@ lexi(struct parser_state *state)
 		state->last_u_d = true;
 		goto found_typename;
 	    }
+
 	} else {		/* we have a keyword */
 	    state->keyword = kw->kind;
 	    state->last_u_d = true;
+
 	    switch (kw->kind) {
 	    case kw_switch:
 		return lexi_end(switch_expr);
+
 	    case kw_case_or_default:
 		return lexi_end(case_label);
+
 	    case kw_struct_or_union_or_enum:
 	    case kw_type:
 	found_typename:
@@ -464,25 +474,31 @@ lexi(struct parser_state *state)
 		return lexi_end(ident);
 	    }			/* end of switch */
 	}			/* end of if (found_it) */
+
 	if (*buf_ptr == '(' && state->tos <= 1 && state->ind_level == 0 &&
 	    !state->in_parameter_declaration && !state->block_init) {
+
 	    char *tp = buf_ptr;
 	    while (tp < buf_end)
 		if (*tp++ == ')' && (*tp == ';' || *tp == ','))
 		    goto not_proc;
+
 	    strncpy(state->procname, token.s, sizeof state->procname - 1);
 	    if (state->in_decl)
 		state->in_parameter_declaration = true;
 	    return lexi_end(funcname);
     not_proc:;
+
 	} else if (probably_typedef(state)) {
 	    state->keyword = kw_type;
 	    state->last_u_d = true;
 	    return lexi_end(decl);
 	}
+
 	if (state->last_token == decl)	/* if this is a declared variable,
 					 * then following sign is unary */
 	    state->last_u_d = true;	/* will make "int a -1" work */
+
 	return lexi_end(ident);	/* the ident is not in the list */
     }				/* end of processing for alphanum character */
 
@@ -579,9 +595,11 @@ lexi(struct parser_state *state)
 		/* check for following ++ or -- */
 		unary_delim = false;
 	    }
+
 	} else if (*buf_ptr == '=')
 	    /* check for operator += */
 	    *token.e++ = *buf_ptr++;
+
 	else if (*buf_ptr == '>') {
 	    /* check for operator -> */
 	    *token.e++ = *buf_ptr++;
@@ -624,6 +642,7 @@ lexi(struct parser_state *state)
 	    ttype = binary_op;
 	    break;
 	}
+
 	while (*buf_ptr == '*' || isspace((unsigned char)*buf_ptr)) {
 	    if (*buf_ptr == '*') {
 		check_size_token(1);
@@ -631,6 +650,7 @@ lexi(struct parser_state *state)
 	    }
 	    inbuf_skip();
 	}
+
 	if (ps.in_decl) {
 	    char *tp = buf_ptr;
 
@@ -642,6 +662,7 @@ lexi(struct parser_state *state)
 	    if (*tp == '(')
 		ps.procname[0] = ' ';
 	}
+
 	ttype = unary_op;
 	break;
 
@@ -654,6 +675,7 @@ lexi(struct parser_state *state)
 	    unary_delim = state->last_u_d;
 	    break;
 	}
+
 	while (token.e[-1] == *buf_ptr || *buf_ptr == '=') {
 	    /*
 	     * handle ||, &&, etc, and also things as in int *****i
@@ -661,15 +683,19 @@ lexi(struct parser_state *state)
 	    check_size_token(1);
 	    *token.e++ = inbuf_next();
 	}
+
 	ttype = state->last_u_d ? unary_op : binary_op;
 	unary_delim = true;
     }
 
     if (buf_ptr >= buf_end)	/* check for input buffer empty */
 	fill_buffer();
+
     state->last_u_d = unary_delim;
+
     check_size_token(1);
     *token.e = '\0';
+
     return lexi_end(ttype);
 }
 
@@ -704,6 +730,7 @@ add_typename(const char *name)
     int pos = insert_pos(name, typenames.items, typenames.len);
     if (pos >= 0)
 	return;			/* already in the list */
+
     pos = -(pos + 1);
     memmove(typenames.items + pos + 1, typenames.items + pos,
 	sizeof(typenames.items[0]) * (typenames.len++ - (unsigned)pos));

Index: src/usr.bin/indent/parse.c
diff -u src/usr.bin/indent/parse.c:1.31 src/usr.bin/indent/parse.c:1.32
--- src/usr.bin/indent/parse.c:1.31	Thu Oct  7 21:43:20 2021
+++ src/usr.bin/indent/parse.c	Thu Oct  7 21:52:54 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: parse.c,v 1.31 2021/10/07 21:43:20 rillig Exp $	*/
+/*	$NetBSD: parse.c,v 1.32 2021/10/07 21:52:54 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -79,6 +79,7 @@ parse(token_type ttype)
     case decl:			/* scanned a declaration word */
 	ps.search_brace = opt.btype_2;
 	/* indicate that following brace should be on same line */
+
 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration
 						 * onto stack */
 	    break_comma = true;	/* while in declaration, newline should be
@@ -124,6 +125,7 @@ parse(token_type ttype)
 	    if (code.s == code.e) {
 		/* it is a group as part of a while, for, etc. */
 		--ps.ind_level;
+
 		/*
 		 * for a switch, brace should be two levels out from the code
 		 */
@@ -145,6 +147,7 @@ parse(token_type ttype)
 	    ps.ind_level = ps.ind_level_follow = ps.il[ps.tos];
 	    ps.p_stack[++ps.tos] = while_expr;
 	    ps.il[ps.tos] = ps.ind_level = ps.ind_level_follow;
+
 	} else {		/* it is a while loop */
 	    ps.p_stack[++ps.tos] = while_expr;
 	    ps.il[ps.tos] = ps.ind_level_follow;

Index: src/usr.bin/indent/pr_comment.c
diff -u src/usr.bin/indent/pr_comment.c:1.55 src/usr.bin/indent/pr_comment.c:1.56
--- src/usr.bin/indent/pr_comment.c:1.55	Thu Oct  7 21:43:20 2021
+++ src/usr.bin/indent/pr_comment.c	Thu Oct  7 21:52:54 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: pr_comment.c,v 1.55 2021/10/07 21:43:20 rillig Exp $	*/
+/*	$NetBSD: pr_comment.c,v 1.56 2021/10/07 21:52:54 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@ static char sccsid[] = "@(#)pr_comment.c
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: pr_comment.c,v 1.55 2021/10/07 21:43:20 rillig Exp $");
+__RCSID("$NetBSD: pr_comment.c,v 1.56 2021/10/07 21:52:54 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/pr_comment.c 334927 2018-06-10 16:44:18Z pstef $");
 #endif
@@ -103,6 +103,7 @@ process_comment(void)
 	ps.box_com = true;
 	break_delim = false;
 	ps.com_col = 1;
+
     } else {
 	if (*buf_ptr == '-' || *buf_ptr == '*' || token.e[-1] == '/' ||
 	    (*buf_ptr == '\n' && !opt.format_block_comments)) {
@@ -115,11 +116,13 @@ process_comment(void)
 				 * nonzero (the default). */
 	    break_delim = false;
 	}
+
 	if (lab.s == lab.e && code.s == code.e) {
 	    ps.com_col = (ps.ind_level - opt.unindent_displace) * opt.indent_size + 1;
 	    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);
+
 	} else {
 	    break_delim = false;
 
@@ -140,6 +143,7 @@ process_comment(void)
 		adj_max_line_length = ps.com_col + 24;
 	}
     }
+
     if (ps.box_com) {
 	/*
 	 * Find out how much indentation there was originally, because that
@@ -163,6 +167,7 @@ process_comment(void)
 	while (is_hspace(*buf_ptr))
 	    buf_ptr++;
     }
+
     ps.comment_delta = 0;
     *com.e++ = '/';
     *com.e++ = token.e[-1];
@@ -227,11 +232,13 @@ process_comment(void)
 		++line_no;
 		goto end_of_comment;
 	    }
+
 	    if (had_eof) {
 		printf("Unterminated comment\n");
 		dump_line();
 		return;
 	    }
+
 	    last_blank = -1;
 	    check_size_comment(4);
 	    if (ps.box_com || ps.last_nl) {	/* if this is a boxed comment,
@@ -246,6 +253,7 @@ process_comment(void)
 		dump_line();
 		if (!ps.box_com && opt.star_comment_cont)
 		    *com.e++ = ' ', *com.e++ = '*', *com.e++ = ' ';
+
 	    } else {
 		ps.last_nl = true;
 		if (!is_hspace(com.e[-1]))
@@ -274,6 +282,7 @@ process_comment(void)
 	    if (*buf_ptr == '/') {
 	end_of_comment:
 		inbuf_skip();
+
 		if (break_delim) {
 		    if (com.e > com.s + 3)
 			dump_line();
@@ -281,17 +290,21 @@ process_comment(void)
 			com.s = com.e;
 		    *com.e++ = ' ';
 		}
+
 		if (!is_hspace(com.e[-1]) && !ps.box_com)
 		    *com.e++ = ' ';	/* ensure blank before end */
 		if (token.e[-1] == '/')
 		    *com.e++ = '\n', *com.e = '\0';
 		else
 		    *com.e++ = '*', *com.e++ = '/', *com.e = '\0';
+
 		ps.just_saw_decl = l_just_saw_decl;
 		return;
+
 	    } else		/* handle isolated '*' */
 		*com.e++ = '*';
 	    break;
+
 	default:		/* we have a random char */
 	    ;
 	    int now_len = indentation_after_range(ps.com_col - 1, com.s, com.e);
@@ -304,10 +317,13 @@ process_comment(void)
 		now_len++;
 	    } while (memchr("*\n\r\b\t", *buf_ptr, 6) == NULL &&
 		(now_len < adj_max_line_length || last_blank == -1));
+
 	    ps.last_nl = false;
+
 	    /* XXX: signed character comparison '>' does not work for UTF-8 */
 	    if (now_len > adj_max_line_length &&
 		    !ps.box_com && com.e[-1] > ' ') {
+
 		/* the comment is too long, it must be broken up */
 		if (last_blank == -1) {
 		    dump_line();
@@ -315,15 +331,19 @@ process_comment(void)
 			*com.e++ = ' ', *com.e++ = '*', *com.e++ = ' ';
 		    break;
 		}
+
 		*com.e = '\0';
 		com.e = com.buf + last_blank;
 		dump_line();
+
 		if (!ps.box_com && opt.star_comment_cont)
 		    *com.e++ = ' ', *com.e++ = '*', *com.e++ = ' ';
+
 		for (t_ptr = com.buf + last_blank + 1;
 		     is_hspace(*t_ptr); t_ptr++)
 		    continue;
 		last_blank = -1;
+
 		/*
 		 * t_ptr will be somewhere between com.e (dump_line() reset)
 		 * and com.l. So it's safe to copy byte by byte from t_ptr to

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