tree-sitter-stack-graphs 0.10.0

Create stack graphs using tree-sitter parsers
Documentation 
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#!/usr/bin/env sh

set -eu

dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)

error() {
    echo "Error: $1" 1>&2
}

usage() {
    echo "Usage: $0 [-h|--help] [-V|--save-visualization] [EXAMPLE_DIR]"
}

py_pkg="tree-sitter-python@0.20.1"
py_dir="$dir/.$py_pkg"
if [ ! -e "$py_dir" ]; then
    echo "Missing Python grammar. Run bootstrap script to install."
    exit 1
fi

tssg_opts="--output-mode=always"
example_dir="."
while [ $# -gt 0 ]; do
    arg="$1"
    shift 1
    case "$arg" in
        -h|--help)
            usage
            exit 0
            ;;
        -V|--save-visualization)
            tssg_opts="$tssg_opts -V=%r/%d/%n.html"
            ;;
        *)
            example_dir="$arg"
            if [ $# -gt 0 ]; then
                error "Too many positional arguments provided."
                usage 1>&2
                exit 1
            fi
            ;;
    esac
done

tsg_file="$example_dir/stack-graphs.tsg"
tests_dir="$example_dir/tests"
if [ ! -e "$tsg_file" ]; then
    error "Missing TSG file $tsg_file. Is $example_dir not an example directory?"
    exit 1
fi
if [ ! -e "$tests_dir" ]; then
    error "Missing directory $tests_dir. Is $example_dir not an example directory?"
    exit 1
fi

cargo -q run --features=cli -- test $tssg_opts --grammar "$py_dir" --tsg "$tsg_file" "$tests_dir"