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@ -1,5 +1,7 @@
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use anyhow::Result;
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use std::fs;
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use std::path::PathBuf;
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use std::time::SystemTime;
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use std::sync::mpsc::channel;
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@ -15,66 +17,156 @@ fn collect_tree_sitter_dirs(ignore: &[String]) -> Vec<String> {
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dirs
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}
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fn collect_src_files(dir: &str) -> (Vec<String>, Vec<String>) {
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eprintln!("Collect files for {}", dir);
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#[cfg(unix)]
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const DYLIB_EXTENSION: &str = "so";
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let mut c_files = Vec::new();
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let mut cpp_files = Vec::new();
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let path = PathBuf::from("languages").join(&dir).join("src");
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for entry in fs::read_dir(path).unwrap().flatten() {
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let path = entry.path();
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if path
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.file_stem()
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.unwrap()
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.to_str()
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.unwrap()
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.starts_with("binding")
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{
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continue;
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#[cfg(windows)]
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const DYLIB_EXTENSION: &str = "dll";
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// const BUILD_TARGET: &'static str = env!("BUILD_TARGET");
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use anyhow::{anyhow, Context};
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use std::{path::Path, process::Command};
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fn build_library(src_path: &Path, language: &str) -> Result<()> {
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let header_path = src_path;
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// let grammar_path = src_path.join("grammar.json");
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let parser_path = src_path.join("parser.c");
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let mut scanner_path = src_path.join("scanner.c");
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let scanner_path = if scanner_path.exists() {
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Some(scanner_path)
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} else {
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scanner_path.set_extension("cc");
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if scanner_path.exists() {
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Some(scanner_path)
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} else {
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None
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}
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if let Some(ext) = path.extension() {
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if ext == "c" {
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c_files.push(path.to_str().unwrap().to_string());
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} else if ext == "cc" || ext == "cpp" || ext == "cxx" {
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cpp_files.push(path.to_str().unwrap().to_string());
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};
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let parser_lib_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../runtime/grammars");
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let mut library_path = parser_lib_path.join(language);
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library_path.set_extension(DYLIB_EXTENSION);
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let recompile = needs_recompile(&library_path, &parser_path, &scanner_path)
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.with_context(|| "Failed to compare source and binary timestamps")?;
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if !recompile {
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return Ok(());
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}
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let mut config = cc::Build::new();
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config.cpp(true).opt_level(2).cargo_metadata(false);
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// .target(BUILD_TARGET)
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// .host(BUILD_TARGET);
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let compiler = config.get_compiler();
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let mut command = Command::new(compiler.path());
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for (key, value) in compiler.env() {
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command.env(key, value);
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}
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if cfg!(windows) {
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command
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.args(&["/nologo", "/LD", "/I"])
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.arg(header_path)
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.arg("/Od")
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.arg(parser_path);
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if let Some(scanner_path) = scanner_path.as_ref() {
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command.arg(scanner_path);
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}
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command
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.arg("/link")
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.arg(format!("/out:{}", library_path.to_str().unwrap()));
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} else {
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command
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.arg("-shared")
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.arg("-fPIC")
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.arg("-fno-exceptions")
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.arg("-g")
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.arg("-I")
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.arg(header_path)
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.arg("-o")
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.arg(&library_path)
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.arg("-O2");
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if let Some(scanner_path) = scanner_path.as_ref() {
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if scanner_path.extension() == Some("c".as_ref()) {
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command.arg("-xc").arg("-std=c99").arg(scanner_path);
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} else {
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command.arg(scanner_path);
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}
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}
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command.arg("-xc").arg(parser_path);
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}
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(c_files, cpp_files)
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}
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fn build_c(files: Vec<String>, language: &str) {
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let mut build = cc::Build::new();
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for file in files {
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build
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.file(&file)
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.include(PathBuf::from(file).parent().unwrap())
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.pic(true)
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.warnings(false);
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let output = command
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.output()
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.with_context(|| "Failed to execute C compiler")?;
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if !output.status.success() {
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return Err(anyhow!(
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"Parser compilation failed.\nStdout: {}\nStderr: {}",
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String::from_utf8_lossy(&output.stdout),
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String::from_utf8_lossy(&output.stderr)
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));
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}
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Ok(())
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}
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fn needs_recompile(
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lib_path: &Path,
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parser_c_path: &Path,
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scanner_path: &Option<PathBuf>,
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) -> Result<bool> {
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if !lib_path.exists() {
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return Ok(true);
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}
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build.compile(&format!("tree-sitter-{}-c", language));
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let lib_mtime = mtime(lib_path)?;
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if mtime(parser_c_path)? > lib_mtime {
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return Ok(true);
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}
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if let Some(scanner_path) = scanner_path {
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if mtime(scanner_path)? > lib_mtime {
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return Ok(true);
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}
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}
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Ok(false)
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}
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fn mtime(path: &Path) -> Result<SystemTime> {
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Ok(fs::metadata(path)?.modified()?)
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}
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fn build_cpp(files: Vec<String>, language: &str) {
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let mut build = cc::Build::new();
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// fn build_c(files: Vec<String>, language: &str) {
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// let mut build = cc::Build::new();
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// for file in files {
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// build
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// .file(&file)
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// .include(PathBuf::from(file).parent().unwrap())
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// .pic(true)
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// .warnings(false);
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// }
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// build.compile(&format!("tree-sitter-{}-c", language));
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// }
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let flag = if build.get_compiler().is_like_msvc() {
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"/std:c++17"
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} else {
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"-std=c++14"
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};
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// fn build_cpp(files: Vec<String>, language: &str) {
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// let mut build = cc::Build::new();
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for file in files {
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build
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.file(&file)
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.include(PathBuf::from(file).parent().unwrap())
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.pic(true)
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.warnings(false)
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.cpp(true)
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.flag_if_supported(flag);
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}
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build.compile(&format!("tree-sitter-{}-cpp", language));
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}
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// let flag = if build.get_compiler().is_like_msvc() {
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// "/std:c++17"
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// } else {
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// "-std=c++14"
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// };
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// for file in files {
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// build
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// .file(&file)
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// .include(PathBuf::from(file).parent().unwrap())
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// .pic(true)
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// .warnings(false)
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// .cpp(true)
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// .flag_if_supported(flag);
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// }
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// build.compile(&format!("tree-sitter-{}-cpp", language));
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// }
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fn build_dir(dir: &str, language: &str) {
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println!("Build language {}", language);
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@ -92,13 +184,9 @@ fn build_dir(dir: &str, language: &str) {
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eprintln!("You can fix in using 'git submodule init && git submodule update --recursive'.");
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std::process::exit(1);
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}
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let (c, cpp) = collect_src_files(dir);
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if !c.is_empty() {
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build_c(c, language);
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}
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if !cpp.is_empty() {
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build_cpp(cpp, language);
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}
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let path = Path::new("languages").join(dir).join("src");
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build_library(&path, language).unwrap();
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}
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fn main() {
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@ -129,6 +217,6 @@ fn main() {
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// drop(tx);
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assert_eq!(rx.try_iter().sum::<usize>(), n_jobs);
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build_dir("tree-sitter-typescript/tsx", "tsx");
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build_dir("tree-sitter-typescript/typescript", "typescript");
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// build_dir("tree-sitter-typescript/tsx", "tsx");
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// build_dir("tree-sitter-typescript/typescript", "typescript");
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}
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Blaž Hrastnik
3 years ago