Move all crates to a top-level crates folder

Co-Authored-By: Max Brunsfeld <maxbrunsfeld@gmail.com>

crates/gpui/build.rs

@@ -0,0 +1,108 @@
+use std::{
+    env,
+    path::PathBuf,
+    process::{self, Command},
+};
+
+fn main() {
+    generate_dispatch_bindings();
+    compile_context_predicate_parser();
+    compile_metal_shaders();
+    generate_shader_bindings();
+}
+
+fn generate_dispatch_bindings() {
+    println!("cargo:rustc-link-lib=framework=System");
+    println!("cargo:rerun-if-changed=src/platform/mac/dispatch.h");
+
+    let bindings = bindgen::Builder::default()
+        .header("src/platform/mac/dispatch.h")
+        .allowlist_var("_dispatch_main_q")
+        .allowlist_function("dispatch_async_f")
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .layout_tests(false)
+        .generate()
+        .expect("unable to generate bindings");
+
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings
+        .write_to_file(out_path.join("dispatch_sys.rs"))
+        .expect("couldn't write dispatch bindings");
+}
+
+fn compile_context_predicate_parser() {
+    let dir = PathBuf::from("./grammars/context-predicate/src");
+    let parser_c = dir.join("parser.c");
+
+    println!("cargo:rerun-if-changed={}", &parser_c.to_str().unwrap());
+    cc::Build::new()
+        .include(&dir)
+        .file(parser_c)
+        .compile("tree_sitter_context_predicate");
+}
+
+const SHADER_HEADER_PATH: &'static str = "./src/platform/mac/shaders/shaders.h";
+
+fn compile_metal_shaders() {
+    let shader_path = "./src/platform/mac/shaders/shaders.metal";
+    let air_output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("shaders.air");
+    let metallib_output_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("shaders.metallib");
+
+    println!("cargo:rerun-if-changed={}", SHADER_HEADER_PATH);
+    println!("cargo:rerun-if-changed={}", shader_path);
+
+    let output = Command::new("xcrun")
+        .args(&[
+            "-sdk",
+            "macosx",
+            "metal",
+            "-gline-tables-only",
+            "-mmacosx-version-min=10.14",
+            "-MO",
+            "-c",
+            shader_path,
+            "-o",
+        ])
+        .arg(&air_output_path)
+        .output()
+        .unwrap();
+
+    if !output.status.success() {
+        eprintln!(
+            "metal shader compilation failed:\n{}",
+            String::from_utf8_lossy(&output.stderr)
+        );
+        process::exit(1);
+    }
+
+    let output = Command::new("xcrun")
+        .args(&["-sdk", "macosx", "metallib"])
+        .arg(air_output_path)
+        .arg("-o")
+        .arg(metallib_output_path)
+        .output()
+        .unwrap();
+
+    if !output.status.success() {
+        eprintln!(
+            "metallib compilation failed:\n{}",
+            String::from_utf8_lossy(&output.stderr)
+        );
+        process::exit(1);
+    }
+}
+
+fn generate_shader_bindings() {
+    let bindings = bindgen::Builder::default()
+        .header(SHADER_HEADER_PATH)
+        .allowlist_type("GPUI.*")
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .layout_tests(false)
+        .generate()
+        .expect("unable to generate bindings");
+
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings
+        .write_to_file(out_path.join("shaders.rs"))
+        .expect("couldn't write shader bindings");
+}