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);

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