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#!/bin/sh
################################################################################
# Copyright (C) 2015 The Qt Company Ltd.
# 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 The Qt Company Ltd, 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.
################################################################################
# --- helpers -----------------------------------------------------------------
printUsage()
{
echo "Usage: $0 [-v] [-c clang-executable] file line column"
echo
echo "Options:"
echo " -v Run c-index-test instead of clang to get more details."
echo " -c clang-executable Use the provided clang-executable."
echo
echo "The clang executable is determined by this order:"
echo " 1. Use clang from the -c option."
echo " 2. Use clang from environment variable CLANG_FOR_COMPLETION."
echo " 3. Use clang from \$PATH."
echo
echo "Path to c-index-test will be determined with the help of the clang executable."
}
# There is no readlink on cygwin.
hasReadLink()
{
return $(command -v readlink >/dev/null 2>&1)
}
checkIfFileExistsOrDie()
{
[ ! -f "$1" ] && echo "'$1' is not a file or does not exist." && exit 1
}
checkIfFileExistsAndIsExecutableOrDie()
{
checkIfFileExistsOrDie "$1"
[ ! -x "$1" ] && echo "'$1' is not executable." && exit 2
}
findClangOrDie()
{
if [ -z "$CLANG_EXEC" ]; then
if [ -n "${CLANG_FOR_COMPLETION}" ]; then
CLANG_EXEC=${CLANG_FOR_COMPLETION}
else
CLANG_EXEC=$(which clang)
fi
fi
hasReadLink && CLANG_EXEC=$(readlink -e "$CLANG_EXEC")
checkIfFileExistsAndIsExecutableOrDie "$CLANG_EXEC"
}
findCIndexTestOrDie()
{
if [ -n "$RUN_WITH_CINDEXTEST" ]; then
CINDEXTEST_EXEC=$(echo $CLANG_EXEC | sed -e 's/clang/c-index-test/g')
hasReadLink && CINDEXTEST_EXEC=$(readlink -e "$CINDEXTEST_EXEC")
checkIfFileExistsAndIsExecutableOrDie "$CINDEXTEST_EXEC"
fi
}
printClangVersion()
{
command="${CLANG_EXEC} --version"
echo "Command: $command"
eval $command
}
runCodeCompletion()
{
if [ -n "${CINDEXTEST_EXEC}" ]; then
command="${CINDEXTEST_EXEC} -code-completion-at=${FILE}:${LINE}:${COLUMN} ${FILE}"
else
command="${CLANG_EXEC} -cc1 -code-completion-at ${FILE}:${LINE}:${COLUMN} ${FILE}"
fi
echo "Command: $command"
eval $command
}
# --- Process arguments -------------------------------------------------------
CLANG_EXEC=
RUN_WITH_CINDEXTEST=
FILE=
LINE=
COLUMN=
while [ -n "$1" ]; do
param=$1
shift
case $param in
-h | -help | --help)
printUsage
exit 0
;;
-v | -verbose | --verbose)
RUN_WITH_CINDEXTEST=1
;;
-c | -clang | --clang)
CLANG_EXEC=$1
shift
;;
*)
break;
;;
esac
done
[ "$#" -ne 2 ] && printUsage && exit 1
checkIfFileExistsOrDie "$param"
FILE=$param
LINE=$1
COLUMN=$2
# --- main --------------------------------------------------------------------
findClangOrDie
findCIndexTestOrDie
printClangVersion
echo
runCodeCompletion
|
