1# Copyright 2015 The Kyua Authors. 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: 7# 8# * Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# * Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# * Neither the name of Google Inc. nor the names of its contributors 14# may be used to endorse or promote products derived from this software 15# without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29function warn(msg) { 30 print FILENAME "[" FNR "]: " msg > "/dev/stderr" 31 error = 1 32} 33 34BEGIN { 35 skip = 0 36 error = 0 37} 38 39/CHECK_STYLE_DISABLE/ { 40 skip = 1 41 next 42} 43 44/CHECK_STYLE_ENABLE/ { 45 skip = 0 46 next 47} 48 49/CHECK_STYLE_(ENABLE|DISABLE)/ { 50 next 51} 52 53{ 54 if (skip) 55 next 56 57 if (length > 80 && NF > 1) 58 warn("Line too long to fit on screen") 59} 60 61/^ *\t+/ { 62 if (! match(FILENAME, "Makefile")) 63 warn("Tab character used for indentation"); 64} 65 66/[ \t]+$/ { 67 warn("Trailing spaces or tabs"); 68} 69 70/^#![^ ]/ { 71 warn("Missing space after #!"); 72} 73 74END { 75 if (skip) 76 warn("Missing CHECK_STYLE_ENABLE"); 77 if (error) 78 exit 1 79} 80