[src/trunk]: src/usr.bin/xlint/lint1 lint: remove redundant operators from lexer

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/43c2e6251e2e
branches:  trunk
changeset: 958754:43c2e6251e2e
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon Jan 18 17:11:14 2021 +0000

description:
lint: remove redundant operators from lexer

Several tokens correspond to exactly one operator.  For these tokens,
the operator is never accessed, therefore it is confusing to associate
it with the token.

diffstat:

 usr.bin/xlint/lint1/scan.l |  16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diffs (45 lines):

diff -r dc514b1a2c07 -r 43c2e6251e2e usr.bin/xlint/lint1/scan.l
--- a/usr.bin/xlint/lint1/scan.l        Mon Jan 18 16:47:46 2021 +0000
+++ b/usr.bin/xlint/lint1/scan.l        Mon Jan 18 17:11:14 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: scan.l,v 1.125 2021/01/18 16:47:46 rillig Exp $ */
+/* $NetBSD: scan.l,v 1.126 2021/01/18 17:11:14 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: scan.l,v 1.125 2021/01/18 16:47:46 rillig Exp $");
+__RCSID("$NetBSD: scan.l,v 1.126 2021/01/18 17:11:14 rillig Exp $");
 #endif
 
 #include <ctype.h>
@@ -113,7 +113,7 @@
 0[xX]{HD}+\.{HD}*{HX}{TL} |
 0[xX]{HD}+{HX}{TL}     |
 \.{D}+{EX}?{TL}                return fcon();
-"="                            return operator(T_ASSIGN, ASSIGN);
+"="                            return operator(T_ASSIGN, NOOP);
 "*="                           return operator(T_OPASS, MULASS);
 "/="                           return operator(T_OPASS, DIVASS);
 "%="                           return operator(T_OPASS, MODASS);
@@ -124,11 +124,11 @@
 "&="                           return operator(T_OPASS, ANDASS);
 "^="                           return operator(T_OPASS, XORASS);
 "|="                           return operator(T_OPASS, ORASS);
-"||"                           return operator(T_LOGOR, LOGOR);
-"&&"                           return operator(T_LOGAND, LOGAND);
-"|"                            return operator(T_OR, BITOR);
-"&"                            return operator(T_AMPER, BITAND);
-"^"                            return operator(T_XOR, BITXOR);
+"||"                           return operator(T_LOGOR, NOOP);
+"&&"                           return operator(T_LOGAND, NOOP);
+"|"                            return operator(T_OR, NOOP);
+"&"                            return operator(T_AMPER, NOOP);
+"^"                            return operator(T_XOR, NOOP);
 "=="                           return operator(T_EQOP, EQ);
 "!="                           return operator(T_EQOP, NE);
 "<"                            return operator(T_RELOP, LT);