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feat: support compiling to wasm32-unknown-unknown

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This commit is contained in:
Amaan Qureshi 2025-09-13 05:36:32 -04:00 • committed by Amaan Qureshi
parent 46ea65c89b
commit 22553b3372
20 changed files with 787 additions and 12 deletions
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22
lib/binding_rust/build.rs
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@ -2,6 +2,7 @@ use std::{env, fs, path::PathBuf};
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let target = env::var("TARGET").unwrap();
#[cfg(feature = "bindgen")]
generate_bindings(&out_dir);
@ -26,6 +27,11 @@ fn main() {
let include_path = manifest_path.join("include");
let src_path = manifest_path.join("src");
let wasm_path = src_path.join("wasm");
if target.starts_with("wasm32-unknown") {
configure_wasm_build(&mut config);
}
for entry in fs::read_dir(&src_path).unwrap() {
let entry = entry.unwrap();
let path = src_path.join(entry.file_name());
@ -50,6 +56,22 @@ fn main() {
println!("cargo:include={}", include_path.display());
}
fn configure_wasm_build(config: &mut cc::Build) {
let Ok(wasm_headers) = env::var("DEP_TREE_SITTER_LANGUAGE_WASM_HEADERS") else {
panic!("Environment variable DEP_TREE_SITTER_LANGUAGE_WASM_HEADERS must be set by the language crate");
};
let Ok(wasm_src) = env::var("DEP_TREE_SITTER_LANGUAGE_WASM_SRC").map(PathBuf::from) else {
panic!("Environment variable DEP_TREE_SITTER_LANGUAGE_WASM_SRC must be set by the language crate");
};
config.include(&wasm_headers);
config.files([
wasm_src.join("stdio.c"),
wasm_src.join("stdlib.c"),
wasm_src.join("string.c"),
]);
}
#[cfg(feature = "bindgen")]
fn generate_bindings(out_dir: &std::path::Path) {
use std::str::FromStr;