#! /usr/bin/env bash

################################################################################

cmake_source_dir="@CMAKE_SOURCE_DIR@"
cmake_binary_dir="@CMAKE_BINARY_DIR@"

panic()
{
	echo "ERROR: $*"
	exit 1
}

run_command()
{
	echo "RUNNING: $*"
	"$@"
	local status=$?
	echo "EXIT STATUS: $status"
	return "$status"
}

source_dir="$cmake_source_dir"
build_dir="$cmake_binary_dir"
data_dir="$source_dir/data"
run_clang_tool="$source_dir/run_clang_tool"

################################################################################

usage()
{
	echo "BAD USAGE: $*"
	exit 2
}

program="$build_dir/app"

source_files=()

while getopts i: option; do
	case "$option" in
	i)
		source_files+=("$OPTARG");;
	*)
		usage;;
	esac
done
shift $((OPTIND - 1))

if [ "${#source_files[@]}" -eq 0 ]; then
	source_files+=("$data_dir/hello.cpp")
	source_files+=("$data_dir/simple_1.cpp")
	source_files+=("$data_dir/macros_1.cpp")
	source_files+=("$data_dir/example_1.cpp")
	source_files+=("$data_dir/example_2.cpp")
fi

for source_file in "${source_files[@]}"; do
	python -c 'print("*" * 80)'
	run_command \
	  "$run_clang_tool" "$program" -p "$build_dir" "$source_file" \
	  -extra-arg=-std=c++20 || \
	  panic "unexpected tool failure"
	python -c 'print("*" * 80)'
done
