[src/trunk]: src/usr.bin/xlint/lint1 lint: fix parse error in conditional exp...

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

details:   https://anonhg.NetBSD.org/src/rev/d1951e761483
branches:  trunk
changeset: 984869:d1951e761483
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon Jul 26 18:10:14 2021 +0000

description:
lint: fix parse error in conditional expression (since 2021-07-15)

diffstat:

 tests/usr.bin/xlint/lint1/expr_precedence.c   |  3 +--
 tests/usr.bin/xlint/lint1/expr_precedence.exp |  1 -
 usr.bin/xlint/lint1/cgram.y                   |  6 +++---
 3 files changed, 4 insertions(+), 6 deletions(-)

diffs (53 lines):

diff -r 2cd144c5d00a -r d1951e761483 tests/usr.bin/xlint/lint1/expr_precedence.c
--- a/tests/usr.bin/xlint/lint1/expr_precedence.c       Mon Jul 26 18:06:43 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/expr_precedence.c       Mon Jul 26 18:10:14 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: expr_precedence.c,v 1.6 2021/07/26 18:06:43 rillig Exp $       */
+/*     $NetBSD: expr_precedence.c,v 1.7 2021/07/26 18:10:14 rillig Exp $       */
 # 3 "expr_precedence.c"
 
 /*
@@ -60,7 +60,6 @@
        var = cond1 ? (cond2 ? a : b) : c;
 
        /* The then-expression can even be a comma-expression. */
-       /* expect+1: error: syntax error ',' [249] *//* FIXME */
        var = cond1 ? cond2 ? a, b : (b, a) : c;
 
        var = cond1 ? a : cond2 ? b : c;
diff -r 2cd144c5d00a -r d1951e761483 tests/usr.bin/xlint/lint1/expr_precedence.exp
--- a/tests/usr.bin/xlint/lint1/expr_precedence.exp     Mon Jul 26 18:06:43 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/expr_precedence.exp     Mon Jul 26 18:10:14 2021 +0000
@@ -2,4 +2,3 @@
 expr_precedence.c(18): error: non-constant initializer [177]
 expr_precedence.c(35): error: 'var' undefined [99]
 expr_precedence.c(35): error: syntax error '=' [249]
-expr_precedence.c(64): error: syntax error ',' [249]
diff -r 2cd144c5d00a -r d1951e761483 usr.bin/xlint/lint1/cgram.y
--- a/usr.bin/xlint/lint1/cgram.y       Mon Jul 26 18:06:43 2021 +0000
+++ b/usr.bin/xlint/lint1/cgram.y       Mon Jul 26 18:10:14 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.348 2021/07/26 17:27:22 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.349 2021/07/26 18:10:14 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: cgram.y,v 1.348 2021/07/26 17:27:22 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.349 2021/07/26 18:10:14 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -682,7 +682,7 @@
        | conditional_expression T_LOGOR conditional_expression {
                $$ = build_binary($1, LOGOR, $3);
          }
-       | conditional_expression T_QUEST conditional_expression
+       | conditional_expression T_QUEST expression
            T_COLON conditional_expression {
                $$ = build_binary($1, QUEST, build_binary($3, COLON, $5));
          }