diff options
Diffstat (limited to 'helix-syntax/build.rs')
| -rw-r--r-- | helix-syntax/build.rs | 204 |
1 files changed, 146 insertions, 58 deletions
diff --git a/helix-syntax/build.rs b/helix-syntax/build.rs index 847f8a67..02a5bf49 100644 --- a/helix-syntax/build.rs +++ b/helix-syntax/build.rs @@ -1,5 +1,7 @@ +use anyhow::Result; use std::fs; use std::path::PathBuf; +use std::time::SystemTime; use std::sync::mpsc::channel; @@ -15,66 +17,156 @@ fn collect_tree_sitter_dirs(ignore: &[String]) -> Vec<String> { dirs } -fn collect_src_files(dir: &str) -> (Vec<String>, Vec<String>) { - eprintln!("Collect files for {}", dir); +#[cfg(unix)] +const DYLIB_EXTENSION: &str = "so"; - let mut c_files = Vec::new(); - let mut cpp_files = Vec::new(); - let path = PathBuf::from("languages").join(&dir).join("src"); - for entry in fs::read_dir(path).unwrap().flatten() { - let path = entry.path(); - if path - .file_stem() - .unwrap() - .to_str() - .unwrap() - .starts_with("binding") - { - continue; +#[cfg(windows)] +const DYLIB_EXTENSION: &str = "dll"; + +// const BUILD_TARGET: &'static str = env!("BUILD_TARGET"); + +use anyhow::{anyhow, Context}; +use std::{path::Path, process::Command}; + +fn build_library(src_path: &Path, language: &str) -> Result<()> { + let header_path = src_path; + // let grammar_path = src_path.join("grammar.json"); + let parser_path = src_path.join("parser.c"); + let mut scanner_path = src_path.join("scanner.c"); + + let scanner_path = if scanner_path.exists() { + Some(scanner_path) + } else { + scanner_path.set_extension("cc"); + if scanner_path.exists() { + Some(scanner_path) + } else { + None + } + }; + let parser_lib_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../runtime/grammars"); + let mut library_path = parser_lib_path.join(language); + library_path.set_extension(DYLIB_EXTENSION); + + let recompile = needs_recompile(&library_path, &parser_path, &scanner_path) + .with_context(|| "Failed to compare source and binary timestamps")?; + + if !recompile { + return Ok(()); + } + + let mut config = cc::Build::new(); + config.cpp(true).opt_level(2).cargo_metadata(false); + // .target(BUILD_TARGET) + // .host(BUILD_TARGET); + let compiler = config.get_compiler(); + let mut command = Command::new(compiler.path()); + for (key, value) in compiler.env() { + command.env(key, value); + } + + if cfg!(windows) { + command + .args(&["/nologo", "/LD", "/I"]) + .arg(header_path) + .arg("/Od") + .arg(parser_path); + if let Some(scanner_path) = scanner_path.as_ref() { + command.arg(scanner_path); } - if let Some(ext) = path.extension() { - if ext == "c" { - c_files.push(path.to_str().unwrap().to_string()); - } else if ext == "cc" || ext == "cpp" || ext == "cxx" { - cpp_files.push(path.to_str().unwrap().to_string()); + command + .arg("/link") + .arg(format!("/out:{}", library_path.to_str().unwrap())); + } else { + command + .arg("-shared") + .arg("-fPIC") + .arg("-fno-exceptions") + .arg("-g") + .arg("-I") + .arg(header_path) + .arg("-o") + .arg(&library_path) + .arg("-O2"); + if let Some(scanner_path) = scanner_path.as_ref() { + if scanner_path.extension() == Some("c".as_ref()) { + command.arg("-xc").arg("-std=c99").arg(scanner_path); + } else { + command.arg(scanner_path); } } + command.arg("-xc").arg(parser_path); } - (c_files, cpp_files) -} -fn build_c(files: Vec<String>, language: &str) { - let mut build = cc::Build::new(); - for file in files { - build - .file(&file) - .include(PathBuf::from(file).parent().unwrap()) - .pic(true) - .warnings(false); + let output = command + .output() + .with_context(|| "Failed to execute C compiler")?; + if !output.status.success() { + return Err(anyhow!( + "Parser compilation failed.\nStdout: {}\nStderr: {}", + String::from_utf8_lossy(&output.stdout), + String::from_utf8_lossy(&output.stderr) + )); } - build.compile(&format!("tree-sitter-{}-c", language)); + + Ok(()) +} +fn needs_recompile( + lib_path: &Path, + parser_c_path: &Path, + scanner_path: &Option<PathBuf>, +) -> Result<bool> { + if !lib_path.exists() { + return Ok(true); + } + let lib_mtime = mtime(lib_path)?; + if mtime(parser_c_path)? > lib_mtime { + return Ok(true); + } + if let Some(scanner_path) = scanner_path { + if mtime(scanner_path)? > lib_mtime { + return Ok(true); + } + } + Ok(false) } -fn build_cpp(files: Vec<String>, language: &str) { - let mut build = cc::Build::new(); +fn mtime(path: &Path) -> Result<SystemTime> { + Ok(fs::metadata(path)?.modified()?) +} - let flag = if build.get_compiler().is_like_msvc() { - "/std:c++17" - } else { - "-std=c++14" - }; +// fn build_c(files: Vec<String>, language: &str) { +// let mut build = cc::Build::new(); +// for file in files { +// build +// .file(&file) +// .include(PathBuf::from(file).parent().unwrap()) +// .pic(true) +// .warnings(false); +// } +// build.compile(&format!("tree-sitter-{}-c", language)); +// } - for file in files { - build - .file(&file) - .include(PathBuf::from(file).parent().unwrap()) - .pic(true) - .warnings(false) - .cpp(true) - .flag_if_supported(flag); - } - build.compile(&format!("tree-sitter-{}-cpp", language)); -} +// fn build_cpp(files: Vec<String>, language: &str) { +// let mut build = cc::Build::new(); + +// let flag = if build.get_compiler().is_like_msvc() { +// "/std:c++17" +// } else { +// "-std=c++14" +// }; + +// for file in files { +// build +// .file(&file) +// .include(PathBuf::from(file).parent().unwrap()) +// .pic(true) +// .warnings(false) +// .cpp(true) +// .flag_if_supported(flag); +// } +// build.compile(&format!("tree-sitter-{}-cpp", language)); +// } fn build_dir(dir: &str, language: &str) { println!("Build language {}", language); @@ -92,13 +184,9 @@ fn build_dir(dir: &str, language: &str) { eprintln!("You can fix in using 'git submodule init && git submodule update --recursive'."); std::process::exit(1); } - let (c, cpp) = collect_src_files(dir); - if !c.is_empty() { - build_c(c, language); - } - if !cpp.is_empty() { - build_cpp(cpp, language); - } + + let path = Path::new("languages").join(dir).join("src"); + build_library(&path, language).unwrap(); } fn main() { @@ -129,6 +217,6 @@ fn main() { // drop(tx); assert_eq!(rx.try_iter().sum::<usize>(), n_jobs); - build_dir("tree-sitter-typescript/tsx", "tsx"); - build_dir("tree-sitter-typescript/typescript", "typescript"); + // build_dir("tree-sitter-typescript/tsx", "tsx"); + // build_dir("tree-sitter-typescript/typescript", "typescript"); } |