Module Name: src
Committed By: rillig
Date: Fri Jul 14 09:32:42 UTC 2023
Modified Files:
src/usr.bin/xlint/lint1: lex.c
Log Message:
lint: document which keywords are available in which language levels
To generate a diff of this commit:
cvs rdiff -u -r1.185 -r1.186 src/usr.bin/xlint/lint1/lex.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/xlint/lint1/lex.c
diff -u src/usr.bin/xlint/lint1/lex.c:1.185 src/usr.bin/xlint/lint1/lex.c:1.186
--- src/usr.bin/xlint/lint1/lex.c:1.185 Thu Jul 13 23:11:11 2023
+++ src/usr.bin/xlint/lint1/lex.c Fri Jul 14 09:32:42 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: lex.c,v 1.185 2023/07/13 23:11:11 rillig Exp $ */
+/* $NetBSD: lex.c,v 1.186 2023/07/14 09:32:42 rillig Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID)
-__RCSID("$NetBSD: lex.c,v 1.185 2023/07/13 23:11:11 rillig Exp $");
+__RCSID("$NetBSD: lex.c,v 1.186 2023/07/14 09:32:42 rillig Exp $");
#endif
#include <ctype.h>
@@ -119,8 +119,11 @@ static const struct keyword {
bool kw_leading:1; /* '__name' */
bool kw_both:1; /* '__name__' */
} keywords[] = {
+ // TODO: _Alignas is not available in C99.
kwdef_keyword( "_Alignas", T_ALIGNAS),
+ // TODO: _Alignof is not available in C99.
kwdef_keyword( "_Alignof", T_ALIGNOF),
+ // TODO: alignof is not available in C99.
kwdef_token( "alignof", T_ALIGNOF, 78,0,6),
kwdef_token( "asm", T_ASM, 78,1,7),
kwdef_token( "_Atomic", T_ATOMIC, 11,0,1),
@@ -138,6 +141,7 @@ static const struct keyword {
kwdef_keyword( "do", T_DO),
kwdef_type( "double", DOUBLE, 78),
kwdef_keyword( "else", T_ELSE),
+ // XXX: enum is not available in traditional C.
kwdef_keyword( "enum", T_ENUM),
kwdef_token( "__extension__",T_EXTENSION, 78,1,1),
kwdef_sclass( "extern", EXTERN, 78,0,1),
@@ -154,6 +158,7 @@ static const struct keyword {
#endif
kwdef_type( "long", LONG, 78),
kwdef("_Noreturn", T_FUNCTION_SPECIFIER, .u.kw_fs = FS_NORETURN, 11,0,1),
+ // XXX: __packed is GCC-specific.
kwdef_token( "__packed", T_PACKED, 78,0,1),
kwdef_token( "__real__", T_REAL, 78,1,1),
kwdef_sclass( "register", REG, 78,0,1),
@@ -163,6 +168,7 @@ static const struct keyword {
kwdef( "signed", T_TYPE, .u.kw_tspec = SIGNED, 90,0,3),
kwdef_keyword( "sizeof", T_SIZEOF),
kwdef_sclass( "static", STATIC, 78,0,1),
+ // XXX: _Static_assert was added in C11.
kwdef_keyword( "_Static_assert", T_STATIC_ASSERT),
kwdef("struct", T_STRUCT_OR_UNION, .u.kw_tspec = STRUCT, 78,0,1),
kwdef_keyword( "switch", T_SWITCH),
@@ -177,6 +183,7 @@ static const struct keyword {
#endif
kwdef("union", T_STRUCT_OR_UNION, .u.kw_tspec = UNION, 78,0,1),
kwdef_type( "unsigned", UNSIGN, 78),
+ // XXX: void is not available in traditional C.
kwdef_type( "void", VOID, 78),
kwdef_tqual( "volatile", tq_volatile, 90,0,7),
kwdef_keyword( "while", T_WHILE),
