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build.rs
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build.rs
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use git2::Repository;
use std::cmp::Ordering;
use std::path::Path;
static BASE_URL: &'static str = "https://github.com/tree-sitter/tree-sitter-";
/// Get the highest tagged version
///
/// #### Note
/// Expects tags in the format v#.#.#
fn get_highest<'a>(tags: impl Iterator<Item = &'a str>) -> Option<&'a str> {
let mut pairs: Vec<(Vec<i32>, &'a str)> = tags
.filter(|s| s.starts_with('v'))
.map(|s| {
(
s[1..]
.split(".")
.map(|x| x.parse::<i32>().ok())
.collect::<Vec<Option<i32>>>(),
s,
)
})
.filter(|(vs, _)| vs.iter().all(|x| x.is_some()))
.map(|(vs, s)| (vs.into_iter().map(|x| x.unwrap()).collect::<Vec<i32>>(), s))
.collect();
pairs.sort_by(|(x, _), (y, _)| {
let mut idx = 0;
while idx < x.len() && idx < y.len() {
if x[idx] < y[idx] {
return Ordering::Less;
} else if x[idx] > y[idx] {
return Ordering::Greater;
}
idx += 1;
}
if x.len() < y.len() {
Ordering::Less
} else if x.len() > y.len() {
Ordering::Greater
} else {
Ordering::Equal
}
});
return pairs.last().map(|x| x.1);
}
fn build_language(name: &'static str, branch: Option<&'static str>, subdir: Option<&'static str>) {
let repo_dir = Path::new(name);
println!("Building {}", name);
let repo = if !repo_dir.exists() {
let url = std::format!("{}{}.git", BASE_URL, name);
println!("Cloning {}", url);
match Repository::clone(&url, &repo_dir) {
Ok(repo) => repo,
Err(e) => panic!("Clone {} failed: {}", url, e),
}
} else {
match Repository::open(&repo_dir) {
Ok(repo) => repo,
Err(e) => panic!(
"Failed to open repo at {}: {}",
repo_dir.to_str().unwrap(),
e
),
}
};
let branch_or_tag = match branch {
None => get_highest(
repo.tag_names(Some("v*"))
.expect("Couldn't get tags")
.into_iter()
.map(|s| s.unwrap()),
)
.unwrap_or("master")
.to_owned(),
Some(branch) => branch.to_owned(),
};
println!("Checking out {}", &branch_or_tag);
let object = repo.revparse_single(&branch_or_tag).unwrap();
repo.set_head_detached(object.id()).unwrap();
repo.checkout_head(Some(
git2::build::CheckoutBuilder::new()
.force()
.remove_ignored(true)
.remove_untracked(true),
))
.unwrap();
let source_directory = match subdir {
Some(dir) => repo_dir.join(dir).join("src"),
None => repo_dir.join("src"),
};
let mut c_files = Vec::new();
let mut cxx_files = Vec::new();
&source_directory
.read_dir()
.unwrap()
.for_each(&mut |maybe_path: std::io::Result<std::fs::DirEntry>| {
let path = maybe_path.unwrap().path();
if let Some(extension) = path.extension() {
if extension == "c" {
c_files.push(path);
} else if path.file_stem().unwrap() != "binding"
&& (extension == "cc" || extension == "cpp" || extension == "cxx")
{
cxx_files.push(path);
}
}
});
if c_files.len() == 0 {
panic!("Didn't find any C files in {:?}", &source_directory);
}
if cxx_files.len() > 0 {
cc::Build::new()
.files(cxx_files.iter())
.static_flag(true)
.cpp(true)
.warnings(false)
.include(&source_directory)
.compile(format!("libtree_sitter_{}_helpers.a", name).as_str());
}
cc::Build::new()
.files(c_files.iter())
.static_flag(true)
.warnings(false)
.include(&source_directory)
.compile(format!("libtree_sitter_{}.a", name).as_str());
}
fn main() {
// This function is generated by scripts/generate
let mut version_map: std::collections::BTreeMap<&'static str, &'static str> =
std::collections::BTreeMap::new();
if cfg!(feature = "go-latest") {
if let Some(conflicting) = version_map.get("go") {
panic!("go-latest conflicts with {}", conflicting);
}
version_map.insert("go", "go-latest");
build_language("go", None, None);
}
if cfg!(feature = "javascript-latest") {
if let Some(conflicting) = version_map.get("javascript") {
panic!("javascript-latest conflicts with {}", conflicting);
}
version_map.insert("javascript", "javascript-latest");
build_language("javascript", None, None);
}
if cfg!(feature = "regex-master") {
if let Some(conflicting) = version_map.get("regex") {
panic!("regex-master conflicts with {}", conflicting);
}
version_map.insert("regex", "regex-master");
build_language("regex", Some("master"), None);
}
if cfg!(feature = "julia-latest") {
if let Some(conflicting) = version_map.get("julia") {
panic!("julia-latest conflicts with {}", conflicting);
}
version_map.insert("julia", "julia-latest");
build_language("julia", None, None);
}
if cfg!(feature = "cpp-latest") {
if let Some(conflicting) = version_map.get("cpp") {
panic!("cpp-latest conflicts with {}", conflicting);
}
version_map.insert("cpp", "cpp-latest");
build_language("cpp", None, None);
}
if cfg!(feature = "c-latest") {
if let Some(conflicting) = version_map.get("c") {
panic!("c-latest conflicts with {}", conflicting);
}
version_map.insert("c", "c-latest");
build_language("c", None, None);
}
if cfg!(feature = "ocaml-latest") {
if let Some(conflicting) = version_map.get("ocaml") {
panic!("ocaml-latest conflicts with {}", conflicting);
}
version_map.insert("ocaml", "ocaml-latest");
build_language("ocaml", None, None);
}
if cfg!(feature = "julia-master") {
if let Some(conflicting) = version_map.get("julia") {
panic!("julia-master conflicts with {}", conflicting);
}
version_map.insert("julia", "julia-master");
build_language("julia", Some("master"), None);
}
if cfg!(feature = "cpp-master") {
if let Some(conflicting) = version_map.get("cpp") {
panic!("cpp-master conflicts with {}", conflicting);
}
version_map.insert("cpp", "cpp-master");
build_language("cpp", Some("master"), None);
}
if cfg!(feature = "c-master") {
if let Some(conflicting) = version_map.get("c") {
panic!("c-master conflicts with {}", conflicting);
}
version_map.insert("c", "c-master");
build_language("c", Some("master"), None);
}
if cfg!(feature = "rust-latest") {
if let Some(conflicting) = version_map.get("rust") {
panic!("rust-latest conflicts with {}", conflicting);
}
version_map.insert("rust", "rust-latest");
build_language("rust", None, None);
}
if cfg!(feature = "bash-latest") {
if let Some(conflicting) = version_map.get("bash") {
panic!("bash-latest conflicts with {}", conflicting);
}
version_map.insert("bash", "bash-latest");
build_language("bash", None, None);
}
if cfg!(feature = "css-master") {
if let Some(conflicting) = version_map.get("css") {
panic!("css-master conflicts with {}", conflicting);
}
version_map.insert("css", "css-master");
build_language("css", Some("master"), None);
}
if cfg!(feature = "css-latest") {
if let Some(conflicting) = version_map.get("css") {
panic!("css-latest conflicts with {}", conflicting);
}
version_map.insert("css", "css-latest");
build_language("css", None, None);
}
if cfg!(feature = "java-master") {
if let Some(conflicting) = version_map.get("java") {
panic!("java-master conflicts with {}", conflicting);
}
version_map.insert("java", "java-master");
build_language("java", Some("master"), None);
}
if cfg!(feature = "fluent-master") {
if let Some(conflicting) = version_map.get("fluent") {
panic!("fluent-master conflicts with {}", conflicting);
}
version_map.insert("fluent", "fluent-master");
build_language("fluent", Some("master"), None);
}
if cfg!(feature = "c-sharp-master") {
if let Some(conflicting) = version_map.get("c-sharp") {
panic!("c-sharp-master conflicts with {}", conflicting);
}
version_map.insert("c-sharp", "c-sharp-master");
build_language("c-sharp", Some("master"), None);
}
if cfg!(feature = "fluent-latest") {
if let Some(conflicting) = version_map.get("fluent") {
panic!("fluent-latest conflicts with {}", conflicting);
}
version_map.insert("fluent", "fluent-latest");
build_language("fluent", None, None);
}
if cfg!(feature = "python-latest") {
if let Some(conflicting) = version_map.get("python") {
panic!("python-latest conflicts with {}", conflicting);
}
version_map.insert("python", "python-latest");
build_language("python", None, None);
}
if cfg!(feature = "regex-latest") {
if let Some(conflicting) = version_map.get("regex") {
panic!("regex-latest conflicts with {}", conflicting);
}
version_map.insert("regex", "regex-latest");
build_language("regex", None, None);
}
if cfg!(feature = "ocaml-master") {
if let Some(conflicting) = version_map.get("ocaml") {
panic!("ocaml-master conflicts with {}", conflicting);
}
version_map.insert("ocaml", "ocaml-master");
build_language("ocaml", Some("master"), None);
}
if cfg!(feature = "ruby-latest") {
if let Some(conflicting) = version_map.get("ruby") {
panic!("ruby-latest conflicts with {}", conflicting);
}
version_map.insert("ruby", "ruby-latest");
build_language("ruby", None, None);
}
if cfg!(feature = "jsdoc-master") {
if let Some(conflicting) = version_map.get("jsdoc") {
panic!("jsdoc-master conflicts with {}", conflicting);
}
version_map.insert("jsdoc", "jsdoc-master");
build_language("jsdoc", Some("master"), None);
}
if cfg!(feature = "jsdoc-latest") {
if let Some(conflicting) = version_map.get("jsdoc") {
panic!("jsdoc-latest conflicts with {}", conflicting);
}
version_map.insert("jsdoc", "jsdoc-latest");
build_language("jsdoc", None, None);
}
if cfg!(feature = "rust-master") {
if let Some(conflicting) = version_map.get("rust") {
panic!("rust-master conflicts with {}", conflicting);
}
version_map.insert("rust", "rust-master");
build_language("rust", Some("master"), None);
}
if cfg!(feature = "bash-master") {
if let Some(conflicting) = version_map.get("bash") {
panic!("bash-master conflicts with {}", conflicting);
}
version_map.insert("bash", "bash-master");
build_language("bash", Some("master"), None);
}
if cfg!(feature = "agda-master") {
if let Some(conflicting) = version_map.get("agda") {
panic!("agda-master conflicts with {}", conflicting);
}
version_map.insert("agda", "agda-master");
build_language("agda", Some("master"), None);
}
if cfg!(feature = "json-master") {
if let Some(conflicting) = version_map.get("json") {
panic!("json-master conflicts with {}", conflicting);
}
version_map.insert("json", "json-master");
build_language("json", Some("master"), None);
}
if cfg!(feature = "agda-latest") {
if let Some(conflicting) = version_map.get("agda") {
panic!("agda-latest conflicts with {}", conflicting);
}
version_map.insert("agda", "agda-latest");
build_language("agda", None, None);
}
if cfg!(feature = "json-latest") {
if let Some(conflicting) = version_map.get("json") {
panic!("json-latest conflicts with {}", conflicting);
}
version_map.insert("json", "json-latest");
build_language("json", None, None);
}
if cfg!(feature = "haskell-master") {
if let Some(conflicting) = version_map.get("haskell") {
panic!("haskell-master conflicts with {}", conflicting);
}
version_map.insert("haskell", "haskell-master");
build_language("haskell", Some("master"), None);
}
if cfg!(feature = "haskell-latest") {
if let Some(conflicting) = version_map.get("haskell") {
panic!("haskell-latest conflicts with {}", conflicting);
}
version_map.insert("haskell", "haskell-latest");
build_language("haskell", None, None);
}
if cfg!(feature = "ruby-master") {
if let Some(conflicting) = version_map.get("ruby") {
panic!("ruby-master conflicts with {}", conflicting);
}
version_map.insert("ruby", "ruby-master");
build_language("ruby", Some("master"), None);
}
if cfg!(feature = "scala-latest") {
if let Some(conflicting) = version_map.get("scala") {
panic!("scala-latest conflicts with {}", conflicting);
}
version_map.insert("scala", "scala-latest");
build_language("scala", None, None);
}
if cfg!(feature = "python-master") {
if let Some(conflicting) = version_map.get("python") {
panic!("python-master conflicts with {}", conflicting);
}
version_map.insert("python", "python-master");
build_language("python", Some("master"), None);
}
if cfg!(feature = "javascript-master") {
if let Some(conflicting) = version_map.get("javascript") {
panic!("javascript-master conflicts with {}", conflicting);
}
version_map.insert("javascript", "javascript-master");
build_language("javascript", Some("master"), None);
}
if cfg!(feature = "scala-master") {
if let Some(conflicting) = version_map.get("scala") {
panic!("scala-master conflicts with {}", conflicting);
}
version_map.insert("scala", "scala-master");
build_language("scala", Some("master"), None);
}
if cfg!(feature = "go-master") {
if let Some(conflicting) = version_map.get("go") {
panic!("go-master conflicts with {}", conflicting);
}
version_map.insert("go", "go-master");
build_language("go", Some("master"), None);
}
if cfg!(feature = "c-sharp-latest") {
if let Some(conflicting) = version_map.get("c-sharp") {
panic!("c-sharp-latest conflicts with {}", conflicting);
}
version_map.insert("c-sharp", "c-sharp-latest");
build_language("c-sharp", None, None);
}
if cfg!(feature = "java-latest") {
if let Some(conflicting) = version_map.get("java") {
panic!("java-latest conflicts with {}", conflicting);
}
version_map.insert("java", "java-latest");
build_language("java", None, None);
}
}