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#!/bin/sh
############################################################################
#
# Copyright (C) 2016 The Qt Company Ltd.
# Contact: https://www.qt.io/licensing/
#
# This file is part of Qt Creator.
#
# Commercial License Usage
# Licensees holding valid commercial Qt licenses may use this file in
# accordance with the commercial license agreement provided with the
# Software or, alternatively, in accordance with the terms contained in
# a written agreement between you and The Qt Company. For licensing terms
# and conditions see https://www.qt.io/terms-conditions. For further
# information use the contact form at https://www.qt.io/contact-us.
#
# GNU General Public License Usage
# Alternatively, this file may be used under the terms of the GNU
# General Public License version 3 as published by the Free Software
# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
# included in the packaging of this file. Please review the following
# information to ensure the GNU General Public License requirements will
# be met: https://www.gnu.org/licenses/gpl-3.0.html.
#
############################################################################
# --- 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} -fsyntax-only -Xclang -code-completion-at -Xclang ${FILE}:${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
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