build: regenerate type sitter bindings with build.rs

.editorconfig

@@ -460,9 +460,6 @@ ij_html_space_around_equality_in_attribute = false
 ij_html_space_inside_empty_tag = true
 ij_html_text_wrap = normal
 
-[*.rs]
-indent_size = 4
-
 [{*.markdown,*.md}]
 ij_visual_guides = none
 ij_markdown_force_one_space_after_blockquote_symbol = true

Cargo.toml

@@ -30,6 +30,7 @@ paste = "1.0.14"
 tree-sitter = "~0.20.10"
 tree-sitter-lura = "0.1.19"
 type-sitter-lib = {git = "https://github.com/Jakobeha/type-sitter.git"}
+type-sitter-gen = {git = "https://github.com/Jakobeha/type-sitter.git"}
 
 [workspace.package]
 edition = "2021"

README.md

@@ -38,6 +38,10 @@ It's all based on the works:
 
 And have some great inspirations in [rust-analyzer](https://github.com/rust-lang/rust-analyzer) code-base..
 
+### Running
+
+Clone the repository with `git submodule update --recursive --remote`
+
 ### Garbage-Collection
 
 The goal of this compiler isn't optimizing things, it's more like an IDE, so the garbage collector is based on Reference

lura-syntax/Cargo.toml

@@ -14,3 +14,7 @@ salsa-2022.workspace = true
 tree-sitter.workspace = true
 tree-sitter-lura.workspace = true
 type-sitter-lib.workspace = true
+
+[build-dependencies]
+type-sitter-gen.workspace = true
+rust-format = "0.3.4"

lura-syntax/build.rs

@@ -0,0 +1,38 @@
+use std::{fmt::Display, fs::File, io::Write, path::Path};
+
+use rust_format::{Formatter, RustFmt};
+use type_sitter_gen::tree_sitter;
+
+fn main() {
+  regenerate_node_types();
+
+  println!("cargo:rerun-if-changed=../vendor/tree-sitter-lura/src/parser.c");
+}
+
+/// Regenerates the `src/generated/lura.rs` file from the `src/node-types.json`
+fn regenerate_node_types() {
+  let input_path = Path::new("../vendor/tree-sitter-lura/src/node-types.json");
+  let target = Path::new("src/generated/lura.rs");
+  let node_types = type_sitter_gen::generate_nodes(input_path, &tree_sitter()).expect("failed to generate nodes");
+  clear_output_files(target);
+  write_rust_file(target, node_types);
+}
+
+/// Clears the output file so we don't write a directory or an invalid file
+/// when the build script fails.
+fn clear_output_files(target: &Path) {
+  if target.is_dir() {
+    std::fs::remove_dir_all(target).expect("failed to remove directory");
+  }
+  if target.exists() && target.is_file() {
+    std::fs::remove_file(target).expect("failed to remove file");
+  }
+}
+
+/// Writes the generated Rust code to the output file, formatting it
+/// with rustfmt.
+fn write_rust_file(path: &Path, contents: impl Display) {
+  let mut file = File::create(path).expect("failed to create file");
+  write!(file, "{}", contents).expect("failed to write file");
+  RustFmt::new().format_file(path).expect("failed to format file");
+}