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-rw-r--r--admin/check-style-common.awk79
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diff --git a/admin/check-style-common.awk b/admin/check-style-common.awk
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+# Copyright 2015 The Kyua Authors.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+# * Neither the name of Google Inc. nor the names of its contributors
+# may be used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function warn(msg) {
+ print FILENAME "[" FNR "]: " msg > "/dev/stderr"
+ error = 1
+}
+
+BEGIN {
+ skip = 0
+ error = 0
+}
+
+/CHECK_STYLE_DISABLE/ {
+ skip = 1
+ next
+}
+
+/CHECK_STYLE_ENABLE/ {
+ skip = 0
+ next
+}
+
+/CHECK_STYLE_(ENABLE|DISABLE)/ {
+ next
+}
+
+{
+ if (skip)
+ next
+
+ if (length > 80 && NF > 1)
+ warn("Line too long to fit on screen")
+}
+
+/^ *\t+/ {
+ if (! match(FILENAME, "Makefile"))
+ warn("Tab character used for indentation");
+}
+
+/[ \t]+$/ {
+ warn("Trailing spaces or tabs");
+}
+
+/^#![^ ]/ {
+ warn("Missing space after #!");
+}
+
+END {
+ if (skip)
+ warn("Missing CHECK_STYLE_ENABLE");
+ if (error)
+ exit 1
+}