generate-zig-template.sh

#!/bin/bash

function usage() {
  echo "usage: $0 <path-tree-sitter-c-dir> <destination-dir>"
  echo
  echo "description:"
  echo "  Creates tree-sitter template files for zig bindings"
  echo "  using the files from tree-sitter-c repository."
  exit
}

src_dir="$1"

dest_dir="$2"

if [[ -z "$src_dir" ]] || [[ -z "$dest_dir" ]]; then
  usage "$0"
fi

set -euo pipefail

mkdir -p "$dest_dir"

echo "copying files from '$src_dir' to '$dest_dir'";
\cp -fv \
  "$src_dir/bindings/zig/root.zig" \
  "$src_dir/bindings/zig/test.zig" \
  "$src_dir/build.zig" \
  "$src_dir/build.zig.zon" \
  "$dest_dir"



cd "$dest_dir"
echo -e "\nreplacing hard-coded values with PARSER_VERSION or PARSER_NAME"

set -x
sed -i 's/tree_sitter_c/tree_sitter_PARSER_NAME/g' root.zig
sed -i 's/"tree-sitter-c"/"tree-sitter-PARSER_NAME"/g' build.zig test.zig
sed  -i \
  '{
    s/\.version = ".*",/.version = "PARSER_VERSION",/
    s/\.name = \.[_0-9a-zA-Z]*/.name = .tree_sitter_PARSER_NAME/
    s/\.fingerprint = .*/.fingerprint = 0x0, \/\/ should be replaced with suggested value/
  }' \
  build.zig.zon
set +x

echo -e "\ndone."