Module Name: src
Committed By: rillig
Date: Sat Feb 18 14:32:32 UTC 2023
Modified Files:
src/tests/usr.bin/xlint/lint1: lex_floating.c
src/usr.bin/xlint/lint1: lex.c
Log Message:
lint: remove compat code for lexing hex floating point literals
Hex floating literals are required by C99.
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/tests/usr.bin/xlint/lint1/lex_floating.c
cvs rdiff -u -r1.148 -r1.149 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/tests/usr.bin/xlint/lint1/lex_floating.c
diff -u src/tests/usr.bin/xlint/lint1/lex_floating.c:1.2 src/tests/usr.bin/xlint/lint1/lex_floating.c:1.3
--- src/tests/usr.bin/xlint/lint1/lex_floating.c:1.2 Sat Jan 15 14:22:03 2022
+++ src/tests/usr.bin/xlint/lint1/lex_floating.c Sat Feb 18 14:32:32 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: lex_floating.c,v 1.2 2022/01/15 14:22:03 rillig Exp $ */
+/* $NetBSD: lex_floating.c,v 1.3 2023/02/18 14:32:32 rillig Exp $ */
# 3 "lex_floating.c"
/*
@@ -34,3 +34,9 @@ test_long_double(void)
{
sinkl(2.2250738585072012e-308L);
}
+
+void
+test_hex(void)
+{
+ sinkd(0x1.cp4);
+}
Index: src/usr.bin/xlint/lint1/lex.c
diff -u src/usr.bin/xlint/lint1/lex.c:1.148 src/usr.bin/xlint/lint1/lex.c:1.149
--- src/usr.bin/xlint/lint1/lex.c:1.148 Thu Feb 2 22:23:30 2023
+++ src/usr.bin/xlint/lint1/lex.c Sat Feb 18 14:32:32 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: lex.c,v 1.148 2023/02/02 22:23:30 rillig Exp $ */
+/* $NetBSD: lex.c,v 1.149 2023/02/18 14:32:32 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 1.148 2023/02/02 22:23:30 rillig Exp $");
+__RCSID("$NetBSD: lex.c,v 1.149 2023/02/18 14:32:32 rillig Exp $");
#endif
#include <ctype.h>
@@ -663,25 +663,7 @@ lex_floating_constant(const char *yytext
/* TODO: Handle precision and exponents of 'long double'. */
errno = 0;
d = strtod(cp, &eptr);
- if (eptr != cp + len) {
- switch (*eptr) {
- /*
- * XXX: Non-native non-current strtod() may not
- * handle hex floats, ignore the rest if we find
- * traces of hex float syntax.
- */
- case 'p':
- case 'P':
- case 'x':
- case 'X':
- d = 0;
- errno = 0;
- break;
- default:
- INTERNAL_ERROR("lex_floating_constant(%.*s)",
- (int)(eptr - cp), cp);
- }
- }
+ lint_assert(eptr == cp + len);
if (errno != 0)
/* floating-point constant out of range */
warning(248);