generate-csv

#!/usr/bin/env bash

set -e

if [ -z "$1" ] || [ -z "$ABSOUTDIR" ] || [ -z "$ABSROOTDIR" ] || [ "$1" = "--help" ]; then
  echo "Usage: $0 <cmd>"
  echo
  echo "Arguments:"
  echo "- <cmd> the build command for your project, MUST use \$CXX instead of clang/clang++/gcc/g++ directly, CWD set to ABSROOTDIR"
  echo
  echo "Environment variables:"
  echo "- ABSOUTDIR  (required) absolute path to directory in which to write CSV output"
  echo "- ABSROOTDIR (required) absolute path to directory which contains source code"
  echo "- CLEAN      (optional) removes existing *.csv from ABSOUTDIR before running"
  echo
  echo "Example:"
  echo
  echo "  env CLEAN=true ABSROOTDIR=\$PWD/examples/five/root ABSOUTDIR=\$PWD/examples/five/output ./generate-csv \"\\\$CXX -c /host/root/*.cpp ; ls /host/output\""
  exit 1
fi

if [ -n "$CLEAN" ]; then
  echo "Cleaning $ABSOUTDIR/*.csv"
  rm -f "$ABSOUTDIR"/*.csv
fi

cmd="$1"

FLAGS="-Xclang -load -Xclang $(realpath "$(dirname "${BASH_SOURCE[0]}")")/clang/libclang-index-plugin.so -Xclang -add-plugin -Xclang dxr-index -Xclang -plugin-arg-dxr-index -Xclang ."
export CXX="clang++ $FLAGS"
export CC="clang $FLAGS"
echo "Running... $cmd"

(
    cd "$ABSROOTDIR"
    env \
        CXX="$CXX" \
        CC="$CC" \
        DXR_CXX_CLANG_TEMP_FOLDER="$ABSOUTDIR" \
        bash -c "$cmd"
)

echo
echo "Generated $(find "$ABSOUTDIR" -maxdepth 1 -mindepth 1 -name "*.csv" | wc -l | awk '{ print $1 }') .csv files. Output location: $ABSOUTDIR/*.csv"