Fri Jun 16 23:51:32 2023 UTC ()
indent: merge lexer symbols for type in/outside parentheses


(rillig)
diff -r1.1270 -r1.1271 src/distrib/sets/lists/tests/mi
diff -r1.48 -r1.49 src/tests/usr.bin/indent/Makefile
diff -r1.58 -r1.59 src/tests/usr.bin/indent/fmt_decl.c
diff -r0 -r1.1 src/tests/usr.bin/indent/lsym_type.c
diff -r1.4 -r0 src/tests/usr.bin/indent/lsym_type_in_parentheses.c
diff -r1.7 -r0 src/tests/usr.bin/indent/lsym_type_outside_parentheses.c
diff -r1.65 -r1.66 src/usr.bin/indent/debug.c
diff -r1.378 -r1.379 src/usr.bin/indent/indent.c
diff -r1.201 -r1.202 src/usr.bin/indent/indent.h
diff -r1.229 -r1.230 src/usr.bin/indent/lexi.c

cvs diff -r1.1270 -r1.1271 src/distrib/sets/lists/tests/mi (expand / switch to context diff)
--- src/distrib/sets/lists/tests/mi 2023/06/16 20:38:19 1.1270
+++ src/distrib/sets/lists/tests/mi 2023/06/16 23:51:31 1.1271
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.1270 2023/06/16 20:38:19 wiz Exp $
+# $NetBSD: mi,v 1.1271 2023/06/16 23:51:31 rillig Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -4973,8 +4973,9 @@
 ./usr/tests/usr.bin/indent/lsym_string_prefix.c				tests-obsolete		obsolete,atf
 ./usr/tests/usr.bin/indent/lsym_switch.c				tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/indent/lsym_tag.c					tests-usr.bin-tests	compattestfile,atf
-./usr/tests/usr.bin/indent/lsym_type_in_parentheses.c			tests-usr.bin-tests	compattestfile,atf
-./usr/tests/usr.bin/indent/lsym_type_outside_parentheses.c		tests-usr.bin-tests	compattestfile,atf
+./usr/tests/usr.bin/indent/lsym_type.c					tests-usr.bin-tests	compattestfile,atf
+./usr/tests/usr.bin/indent/lsym_type_in_parentheses.c			tests-obsolete		obsolete,atf
+./usr/tests/usr.bin/indent/lsym_type_outside_parentheses.c		tests-obsolete		obsolete,atf
 ./usr/tests/usr.bin/indent/lsym_typedef.c				tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/indent/lsym_unary_op.c				tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/indent/lsym_while.c					tests-usr.bin-tests	compattestfile,atf

cvs diff -r1.48 -r1.49 src/tests/usr.bin/indent/Makefile (expand / switch to context diff)
--- src/tests/usr.bin/indent/Makefile 2023/06/14 07:20:55 1.48
+++ src/tests/usr.bin/indent/Makefile 2023/06/16 23:51:32 1.49
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.48 2023/06/14 07:20:55 rillig Exp $
+#	$NetBSD: Makefile,v 1.49 2023/06/16 23:51:32 rillig Exp $
 
 .include <bsd.own.mk>
 
@@ -48,8 +48,7 @@
 FILES+=		lsym_storage_class.c
 FILES+=		lsym_switch.c
 FILES+=		lsym_tag.c
-FILES+=		lsym_type_in_parentheses.c
-FILES+=		lsym_type_outside_parentheses.c
+FILES+=		lsym_type.c
 FILES+=		lsym_typedef.c
 FILES+=		lsym_unary_op.c
 FILES+=		lsym_while.c

cvs diff -r1.58 -r1.59 src/tests/usr.bin/indent/fmt_decl.c (expand / switch to context diff)
--- src/tests/usr.bin/indent/fmt_decl.c 2023/06/16 12:30:45 1.58
+++ src/tests/usr.bin/indent/fmt_decl.c 2023/06/16 23:51:32 1.59
@@ -1,4 +1,4 @@
-/*	$NetBSD: fmt_decl.c,v 1.58 2023/06/16 12:30:45 rillig Exp $	*/
+/*	$NetBSD: fmt_decl.c,v 1.59 2023/06/16 23:51:32 rillig Exp $	*/
 
 /*
  * Tests for declarations of global variables, external functions, and local
@@ -926,10 +926,6 @@
 
 //indent run -i4 -di0
 // $ FIXME: 'buffer' is classified as 'word'.
-// $
-// $ XXX: 'char' is classified as 'type_in_parentheses'; check whether
-// $ XXX: lsym_type_in_parentheses should only be used for types in cast
-// $ XXX: expressions.
 // $
 // $ FIXME: 'size_t' is classified as 'word'.
 void buf_add_chars(struct buffer *, const char *, size_t);

File Added: src/tests/usr.bin/indent/lsym_type.c
/* $NetBSD: lsym_type.c,v 1.1 2023/06/16 23:51:32 rillig Exp $ */

/*
 * Tests for the token lsym_type, which represents a type name in the following
 * contexts:
 *
 * In a declaration that is not for a function.
 *
 * As part of a parameter list of a function prototype.
 *
 * In a cast expression.
 *
 * In a compound expression (since C99).
 *
 * See also:
 *	fmt_decl
 *	lex_ident
 *	lsym_word
 *	opt_ta
 *	opt_T
 */

/*
 * Indent has to guess which identifiers are types and which are variables.
 */
//indent input
t1		       *no_init_ptr;
t2		       *init_ptr = 0;
const t3	       *const_no_init_ptr;
static t4	       *static_no_init_ptr;
typedef t5 *typedef_no_init_ptr;

// $ XXX: There's no point aligning the word 'const' with the other names.
const char	       *const names[3];
//indent end

//indent run-equals-input -di24


//indent input
{
{}
size_t hello;
}
//indent end

//indent run
{
	{
	}
	size_t		hello;
}
//indent end


/*
 * In a sizeof expression, a type argument must be enclosed in parentheses.
 */
//indent input
int sizeof_int = sizeof int;
//indent end

//indent run-equals-input -di0

File Deleted: src/tests/usr.bin/indent/Attic/lsym_type_in_parentheses.c

File Deleted: src/tests/usr.bin/indent/Attic/lsym_type_outside_parentheses.c

cvs diff -r1.65 -r1.66 src/usr.bin/indent/debug.c (expand / switch to context diff)
--- src/usr.bin/indent/debug.c 2023/06/16 23:17:22 1.65
+++ src/usr.bin/indent/debug.c 2023/06/16 23:51:32 1.66
@@ -1,4 +1,4 @@
-/*	$NetBSD: debug.c,v 1.65 2023/06/16 23:17:22 rillig Exp $	*/
+/*	$NetBSD: debug.c,v 1.66 2023/06/16 23:51:32 rillig Exp $	*/
 
 /*-
  * Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: debug.c,v 1.65 2023/06/16 23:17:22 rillig Exp $");
+__RCSID("$NetBSD: debug.c,v 1.66 2023/06/16 23:51:32 rillig Exp $");
 
 #include <stdarg.h>
 #include <string.h>
@@ -70,8 +70,7 @@
 	"typedef",
 	"modifier",
 	"tag",
-	"type_outside_parentheses",
-	"type_in_parentheses",
+	"type",
 	"word",
 	"funcname",
 	"label_colon",

cvs diff -r1.378 -r1.379 src/usr.bin/indent/indent.c (expand / switch to context diff)
--- src/usr.bin/indent/indent.c 2023/06/16 23:07:52 1.378
+++ src/usr.bin/indent/indent.c 2023/06/16 23:51:32 1.379
@@ -1,4 +1,4 @@
-/*	$NetBSD: indent.c,v 1.378 2023/06/16 23:07:52 rillig Exp $	*/
+/*	$NetBSD: indent.c,v 1.379 2023/06/16 23:51:32 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: indent.c,v 1.378 2023/06/16 23:07:52 rillig Exp $");
+__RCSID("$NetBSD: indent.c,v 1.379 2023/06/16 23:51:32 rillig Exp $");
 
 #include <sys/param.h>
 #include <err.h>
@@ -345,7 +345,7 @@
 		ps.lbrace_kind = token.s[0] == 's' ? psym_lbrace_struct :
 		    token.s[0] == 'u' ? psym_lbrace_union :
 		    psym_lbrace_enum;
-	} else if (lsym == lsym_type_outside_parentheses
+	} else if ((lsym == lsym_type && ps.paren.len == 0)
 	    || lsym == lsym_word
 	    || lsym == lsym_lbrace) {
 		/* Keep the current '{' kind. */
@@ -1054,11 +1054,12 @@
 		if (ps.paren.len > 0)
 			goto copy_token;
 		/* FALLTHROUGH */
-	case lsym_type_outside_parentheses:
-		process_type_outside_parentheses();
-		goto copy_token;
-
-	case lsym_type_in_parentheses:
+	case lsym_type:
+		if (ps.paren.len == 0) {
+			process_type_outside_parentheses();
+			goto copy_token;
+		}
+		/* FALLTHROUGH */
 	case lsym_sizeof:
 	case lsym_offsetof:
 	case lsym_word:

cvs diff -r1.201 -r1.202 src/usr.bin/indent/indent.h (expand / switch to context diff)
--- src/usr.bin/indent/indent.h 2023/06/16 12:30:45 1.201
+++ src/usr.bin/indent/indent.h 2023/06/16 23:51:32 1.202
@@ -1,4 +1,4 @@
-/*	$NetBSD: indent.h,v 1.201 2023/06/16 12:30:45 rillig Exp $	*/
+/*	$NetBSD: indent.h,v 1.202 2023/06/16 23:51:32 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
@@ -94,8 +94,7 @@
 	lsym_typedef,
 	lsym_modifier,		/* modifiers for types, functions, variables */
 	lsym_tag,		/* 'struct', 'union' or 'enum' */
-	lsym_type_outside_parentheses,
-	lsym_type_in_parentheses,
+	lsym_type,
 	lsym_word,		/* identifier, constant or string */
 	lsym_funcname,		/* name of a function being defined */
 	lsym_label_colon,	/* the ':' after a label */

cvs diff -r1.229 -r1.230 src/usr.bin/indent/lexi.c (expand / switch to context diff)
--- src/usr.bin/indent/lexi.c 2023/06/14 16:14:30 1.229
+++ src/usr.bin/indent/lexi.c 2023/06/16 23:51:32 1.230
@@ -1,4 +1,4 @@
-/*	$NetBSD: lexi.c,v 1.229 2023/06/14 16:14:30 rillig Exp $	*/
+/*	$NetBSD: lexi.c,v 1.230 2023/06/16 23:51:32 rillig Exp $	*/
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -38,16 +38,13 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: lexi.c,v 1.229 2023/06/14 16:14:30 rillig Exp $");
+__RCSID("$NetBSD: lexi.c,v 1.230 2023/06/16 23:51:32 rillig Exp $");
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "indent.h"
 
-/* In lexi_alnum, this constant marks a type, independent of parentheses. */
-#define lsym_type lsym_type_outside_parentheses
-
 /* must be sorted alphabetically, is used in binary search */
 static const struct keyword {
 	const char name[12];
@@ -398,7 +395,7 @@
 	    || ps.prev_lsym == lsym_typedef;
 
 	if (ps.prev_lsym == lsym_tag && ps.paren.len == 0)
-		return lsym_type_outside_parentheses;
+		return lsym_type;
 
 	token_add_char('\0');
 	token.len--;
@@ -407,7 +404,7 @@
 	lexer_symbol lsym = lsym_word;
 	if (kw != NULL) {
 		if (kw->lsym == lsym_type)
-			lsym = lsym_type_in_parentheses;
+			lsym = lsym_type;
 		ps.next_unary = true;
 		if (kw->lsym == lsym_tag || kw->lsym == lsym_type)
 			goto found_typename;
@@ -415,7 +412,7 @@
 	}
 
 	if (is_typename()) {
-		lsym = lsym_type_in_parentheses;
+		lsym = lsym_type;
 		ps.next_unary = true;
 found_typename:
 		if (ps.paren.len > 0) {
@@ -431,7 +428,7 @@
 			if (kw != NULL && kw->lsym == lsym_tag)
 				return lsym_tag;
 			if (ps.paren.len == 0)
-				return lsym_type_outside_parentheses;
+				return lsym_type;
 		}
 	}
 
@@ -447,7 +444,7 @@
 
 	} else if (ps.paren.len == 0 && probably_typename()) {
 		ps.next_unary = true;
-		return lsym_type_outside_parentheses;
+		return lsym_type;
 	}
 
 	return lsym;