Verilog: support validator

- Use NONE for intensional fails.

- Use KNOWN-INVALIDATION for fails by svlint.

Signed-off-by: Hiroo HAYASHI <24754036+hirooih@users.noreply.github.com>

Units/parser-verilog.r/systemverilog-assertion.d/validator

@@ -0,0 +1 @@
+KNOWN-INVALIDATION

Units/parser-verilog.r/systemverilog-assignment.d/validator

@@ -0,0 +1 @@
+KNOWN-INVALIDATION

Units/parser-verilog.r/systemverilog-checker.d/validator

@@ -0,0 +1 @@
+KNOWN-INVALIDATION

Units/parser-verilog.r/systemverilog-directive.d/validator

@@ -0,0 +1 @@
+KNOWN-INVALIDATION

Units/parser-verilog.r/systemverilog-github3457.d/validator

@@ -0,0 +1 @@
+KNOWN-INVALIDATION

Units/parser-verilog.r/systemverilog-github646.d/validator

@@ -0,0 +1 @@
+NONE

Units/parser-verilog.r/systemverilog-net-var.d/validator

@@ -0,0 +1 @@
+KNOWN-INVALIDATION

Units/parser-verilog.r/validator

@@ -0,0 +1 @@
+svlint

Units/parser-verilog.r/verilog-github624.d/validator

@@ -0,0 +1 @@
+NONE

Units/parser-verilog.r/verilog-memleak.d/validator

@@ -0,0 +1 @@
+NONE

misc/validators/validator-svlint

@@ -0,0 +1,35 @@
+# -*- sh -*-
+# validator-svlint - validating Verilog/SystemVerilog input files with svlint
+#   https://github.com/dalance/svlint
+#
+#  Copyright (c) 2023 Masatake YAMATO
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+action=$1
+input="$2"
+cmd=svlint
+flags="--ignore-include"
+case "$action" in
+    is_runnable)
+	type $cmd > /dev/null 2>&1
+	exit $?
+	;;
+    validate)
+	$cmd $flags "$input" > /dev/null
+	exit $?
+	;;
+esac