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fn main() {
// All build-time grammar sources live inside the crate so that
// crates.io package verification can rebuild the crate in isolation.
//
// Layout inside the published crate:
// grammar/
// scanner.c (optional, hand-written)
// src/
// parser.c
// grammar.json
// node-types.json
// tree_sitter/* (generated headers)
let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let src_dir = manifest_dir.join("grammar/src");
let grammar_dir = manifest_dir.join("grammar");
println!("cargo:rerun-if-changed={}", src_dir.join("parser.c").display());
let mut build = cc::Build::new();
build
.include(&src_dir)
.include(&grammar_dir) // for common/ includes like "../common/scanner.h"
.include(src_dir.join("tree_sitter"))
.opt_level_str("z") // optimize aggressively for size
.warnings(false)
.flag_if_supported("-Wno-unused-parameter")
.flag_if_supported("-Wno-unused-but-set-variable")
.flag_if_supported("-Wno-trigraphs");
// For WASM builds, use our custom sysroot (provided by arborium crate via links = "arborium")
let target = std::env::var("TARGET").unwrap_or_default();
if target.contains("wasm")
&& let Ok(sysroot) = std::env::var("DEP_ARBORIUM_SYSROOT_PATH")
{
build.include(&sysroot);
}
build.file(src_dir.join("parser.c"));
build.compile("tree_sitter_java");
}