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[src/trunk]: src/usr.bin/indent indent: replace kw_tag with lsym_tag
details: https://anonhg.NetBSD.org/src/rev/c6d2f5bc1494
branches: trunk
changeset: 990639:c6d2f5bc1494
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Oct 31 20:40:42 2021 +0000
description:
indent: replace kw_tag with lsym_tag
This leaves only one special type of token, which is lsym_ident, which
in some cases represents a type name and in other cases an identifier,
constant or string literal.
No functional change.
diffstat:
usr.bin/indent/indent.c | 6 +-
usr.bin/indent/indent.h | 13 +---
usr.bin/indent/lexi.c | 125 +++++++++++++++++++++--------------------------
3 files changed, 61 insertions(+), 83 deletions(-)
diffs (265 lines):
diff -r efe64a2e3ef1 -r c6d2f5bc1494 usr.bin/indent/indent.c
--- a/usr.bin/indent/indent.c Sun Oct 31 19:57:44 2021 +0000
+++ b/usr.bin/indent/indent.c Sun Oct 31 20:40:42 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: indent.c,v 1.200 2021/10/31 19:57:44 rillig Exp $ */
+/* $NetBSD: indent.c,v 1.201 2021/10/31 20:40:42 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@
#include <sys/cdefs.h>
#if defined(__NetBSD__)
-__RCSID("$NetBSD: indent.c,v 1.200 2021/10/31 19:57:44 rillig Exp $");
+__RCSID("$NetBSD: indent.c,v 1.201 2021/10/31 20:40:42 rillig Exp $");
#elif defined(__FreeBSD__)
__FBSDID("$FreeBSD: head/usr.bin/indent/indent.c 340138 2018-11-04 19:24:49Z oshogbo $");
#endif
@@ -749,7 +749,7 @@
return true;
if (opt.proc_calls_space)
return true;
- return ps.prev_keyword != kw_0;
+ return ps.prev_is_type;
}
static void
diff -r efe64a2e3ef1 -r c6d2f5bc1494 usr.bin/indent/indent.h
--- a/usr.bin/indent/indent.h Sun Oct 31 19:57:44 2021 +0000
+++ b/usr.bin/indent/indent.h Sun Oct 31 20:40:42 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: indent.h,v 1.72 2021/10/31 19:57:44 rillig Exp $ */
+/* $NetBSD: indent.h,v 1.73 2021/10/31 20:40:42 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
@@ -244,13 +244,6 @@
* printed */
} opt;
-enum keyword_kind {
- kw_0,
- kw_tag, /* 'struct', 'union', 'enum' */
- kw_type
-};
-
-
extern bool found_err;
extern int blank_lines_to_output;
extern bool blank_line_before;
@@ -267,8 +260,8 @@
extern struct parser_state {
lexer_symbol prev_token;
- enum keyword_kind prev_keyword;
- enum keyword_kind curr_keyword;
+ bool prev_is_type;
+ bool curr_is_type;
bool curr_newline;
bool curr_col_1; /* whether the current token started in column
* 1 of the unformatted input */
diff -r efe64a2e3ef1 -r c6d2f5bc1494 usr.bin/indent/lexi.c
--- a/usr.bin/indent/lexi.c Sun Oct 31 19:57:44 2021 +0000
+++ b/usr.bin/indent/lexi.c Sun Oct 31 20:40:42 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lexi.c,v 1.125 2021/10/31 19:57:44 rillig Exp $ */
+/* $NetBSD: lexi.c,v 1.126 2021/10/31 20:40:42 rillig Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@
#include <sys/cdefs.h>
#if defined(__NetBSD__)
-__RCSID("$NetBSD: lexi.c,v 1.125 2021/10/31 19:57:44 rillig Exp $");
+__RCSID("$NetBSD: lexi.c,v 1.126 2021/10/31 20:40:42 rillig Exp $");
#elif defined(__FreeBSD__)
__FBSDID("$FreeBSD: head/usr.bin/indent/lexi.c 337862 2018-08-15 18:19:45Z pstef $");
#endif
@@ -59,49 +59,49 @@
static const struct keyword {
const char *name;
lexer_symbol lsym;
- enum keyword_kind kind;
+ bool is_type;
} keywords[] = {
- {"_Bool", lsym_eof, kw_type},
- {"_Complex", lsym_eof, kw_type},
- {"_Imaginary", lsym_eof, kw_type},
- {"auto", lsym_storage_class, kw_0},
- {"bool", lsym_eof, kw_type},
- {"break", lsym_ident, kw_0},
- {"case", lsym_case_label, kw_0},
- {"char", lsym_eof, kw_type},
- {"complex", lsym_eof, kw_type},
- {"const", lsym_eof, kw_type},
- {"continue", lsym_ident, kw_0},
- {"default", lsym_case_label, kw_0},
- {"do", lsym_do, kw_0},
- {"double", lsym_eof, kw_type},
- {"else", lsym_else, kw_0},
- {"enum", lsym_eof, kw_tag},
- {"extern", lsym_storage_class, kw_0},
- {"float", lsym_eof, kw_type},
- {"for", lsym_for, kw_0},
- {"goto", lsym_ident, kw_0},
- {"if", lsym_if, kw_0},
- {"imaginary", lsym_eof, kw_type},
- {"inline", lsym_ident, kw_0},
- {"int", lsym_eof, kw_type},
- {"long", lsym_eof, kw_type},
- {"offsetof", lsym_offsetof, kw_0},
- {"register", lsym_storage_class, kw_0},
- {"restrict", lsym_ident, kw_0},
- {"return", lsym_ident, kw_0},
- {"short", lsym_eof, kw_type},
- {"signed", lsym_eof, kw_type},
- {"sizeof", lsym_sizeof, kw_0},
- {"static", lsym_storage_class, kw_0},
- {"struct", lsym_eof, kw_tag},
- {"switch", lsym_switch, kw_0},
- {"typedef", lsym_typedef, kw_0},
- {"union", lsym_eof, kw_tag},
- {"unsigned", lsym_eof, kw_type},
- {"void", lsym_eof, kw_type},
- {"volatile", lsym_eof, kw_type},
- {"while", lsym_while, kw_0}
+ {"_Bool", lsym_eof, true},
+ {"_Complex", lsym_eof, true},
+ {"_Imaginary", lsym_eof, true},
+ {"auto", lsym_storage_class, false},
+ {"bool", lsym_eof, true},
+ {"break", lsym_ident, false},
+ {"case", lsym_case_label, false},
+ {"char", lsym_eof, true},
+ {"complex", lsym_eof, true},
+ {"const", lsym_eof, true},
+ {"continue", lsym_ident, false},
+ {"default", lsym_case_label, false},
+ {"do", lsym_do, false},
+ {"double", lsym_eof, true},
+ {"else", lsym_else, false},
+ {"enum", lsym_tag, false},
+ {"extern", lsym_storage_class, false},
+ {"float", lsym_eof, true},
+ {"for", lsym_for, false},
+ {"goto", lsym_ident, false},
+ {"if", lsym_if, false},
+ {"imaginary", lsym_eof, true},
+ {"inline", lsym_ident, false},
+ {"int", lsym_eof, true},
+ {"long", lsym_eof, true},
+ {"offsetof", lsym_offsetof, false},
+ {"register", lsym_storage_class, false},
+ {"restrict", lsym_ident, false},
+ {"return", lsym_ident, false},
+ {"short", lsym_eof, true},
+ {"signed", lsym_eof, true},
+ {"sizeof", lsym_sizeof, false},
+ {"static", lsym_storage_class, false},
+ {"struct", lsym_tag, false},
+ {"switch", lsym_switch, false},
+ {"typedef", lsym_typedef, false},
+ {"union", lsym_tag, false},
+ {"unsigned", lsym_eof, true},
+ {"void", lsym_eof, true},
+ {"volatile", lsym_eof, true},
+ {"while", lsym_while, false}
};
static struct {
@@ -253,18 +253,6 @@
return name[sym];
}
-static const char *
-kw_name(enum keyword_kind kw)
-{
- static const char *const name[] = {
- "0",
- "tag",
- "type",
- };
-
- return name[kw];
-}
-
static void
debug_print_buf(const char *name, const struct buffer *buf)
{
@@ -294,9 +282,8 @@
static struct parser_state prev_ps;
debug_println("");
- debug_printf("line %d: %s", line_no, lsym_name(lsym));
- if (ps.curr_keyword != kw_0)
- debug_printf(" %s", kw_name(ps.curr_keyword));
+ debug_printf("line %d: %s%s", line_no, lsym_name(lsym),
+ ps.curr_is_type ? " type" : "");
debug_vis_range(" \"", token.s, token.e, "\"\n");
debug_print_buf("label", &lab);
@@ -304,7 +291,7 @@
debug_print_buf("comment", &com);
debug_println(" ps.prev_token = %s", lsym_name(ps.prev_token));
- debug_ps_keyword(prev_keyword);
+ debug_ps_bool(prev_is_type);
debug_ps_bool(curr_newline);
debug_ps_bool(curr_col_1);
debug_ps_bool(next_unary);
@@ -506,20 +493,18 @@
array_length(keywords), sizeof(keywords[0]), cmp_keyword_by_name);
if (kw == NULL) {
if (is_typename()) {
- ps.curr_keyword = kw_type;
+ ps.curr_is_type = true;
ps.next_unary = true;
goto found_typename;
}
} else { /* we have a keyword */
- ps.curr_keyword = kw->kind;
+ ps.curr_is_type = kw->is_type;
ps.next_unary = true;
- assert((kw->lsym == lsym_eof) != (kw->kind == kw_0));
- if (kw->lsym != lsym_eof)
+ assert((kw->lsym == lsym_eof) == kw->is_type);
+ if (kw->lsym != lsym_eof && kw->lsym != lsym_tag)
return kw->lsym;
- if (kw->kind != kw_tag && kw->kind != kw_type)
- return lsym_ident;
found_typename:
if (ps.p_l_follow > 0) {
@@ -527,7 +512,7 @@
ps.cast_mask |= (1 << ps.p_l_follow) & ~ps.not_cast_mask;
}
if (ps.prev_token != lsym_period && ps.prev_token != lsym_unary_op) {
- if (kw != NULL && kw->kind == kw_tag)
+ if (kw != NULL && kw->lsym == lsym_tag)
return lsym_tag;
if (ps.p_l_follow == 0)
return lsym_type_at_paren_level_0;
@@ -548,7 +533,7 @@
no_function_definition:;
} else if (probably_typename()) {
- ps.curr_keyword = kw_type;
+ ps.curr_is_type = true;
ps.next_unary = true;
return lsym_type_at_paren_level_0;
}
@@ -563,8 +548,8 @@
token.e = token.s;
ps.curr_col_1 = ps.curr_newline;
ps.curr_newline = false;
- ps.prev_keyword = ps.curr_keyword;
- ps.curr_keyword = kw_0;
+ ps.prev_is_type = ps.curr_is_type;
+ ps.curr_is_type = false;
while (ch_isblank(*inp.s)) {
ps.curr_col_1 = false;
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