92 lines
3.3 KiB
Rust
92 lines
3.3 KiB
Rust
use std::collections::HashMap;
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use std::env;
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use std::path::PathBuf;
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#[derive(Debug)]
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struct ParseCallback();
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impl bindgen::callbacks::ParseCallbacks for ParseCallback {
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fn enum_variant_name(
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&self,
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enum_name: Option<&str>,
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original_variant_name: &str,
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_variant_value: bindgen::callbacks::EnumVariantValue,
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) -> Option<String> {
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if let Some(name) = enum_name {
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if name == "FeReg" {
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return Some(original_variant_name.strip_prefix("FE_").unwrap_or(original_variant_name).to_owned());
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}
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}
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None
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}
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fn will_parse_macro(&self, name: &str) -> bindgen::callbacks::MacroParsingBehavior {
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if name == "FE_ADDR32" || name == "FE_NOREG" || name == "FE_JMPL" {
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return bindgen::callbacks::MacroParsingBehavior::Default;
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}
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if name.starts_with("FE_") {
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// prevent instructions from being parsed
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return bindgen::callbacks::MacroParsingBehavior::Ignore;
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}
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return bindgen::callbacks::MacroParsingBehavior::Default;
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}
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}
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fn main() {
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let build_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("fadec-build");
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let build_path = build_path.to_str().unwrap();
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// build faenc
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{
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let mut config = HashMap::new();
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config.insert("wasm_build", "true");
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let config = meson_next::config::Config::new().options(config);
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println!("cargo:rustc-link-lib=fadec");
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println!("cargo:rustc-link-search=native={}", build_path);
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meson_next::build("extern/fadec", build_path, config);
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}
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// Tell cargo to invalidate the built crate whenever the wrapper changes
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println!("cargo:rerun-if-changed=extern/fadec");
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// The bindgen::Builder is the main entry point
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// to bindgen, and lets you build up options for
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// the resulting bindings.
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let bindings = bindgen::Builder::default()
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// The input header we would like to generate
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// bindings for.
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.header("extern/fadec/fadec-enc.h")
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.clang_arg(&format!("-I{}", build_path))
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.rustified_enum("FeReg")
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.parse_callbacks(Box::new(ParseCallback()))
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// Tell cargo to invalidate the built crate whenever any of the
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// included header files changed.
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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// Finish the builder and generate the bindings.
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.generate()
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// Unwrap the Result and panic on failure.
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.expect("Unable to generate bindings");
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// Write the bindings to the $OUT_DIR/bindings.rs file.
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("bindings.rs"))
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.expect("Couldn't write bindings!");
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// you wouldn't expect it but bindgen refuses to parse a file that does not end with '.h'
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// lmao
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std::fs::copy(format!("{}/fadec-encode-public.inc", build_path), format!("{}/fadec-encode-public.h", build_path)).expect("copy failed");
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let inst_bindings = bindgen::Builder::default()
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.header(format!("{}/fadec-encode-public.h", build_path))
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.generate()
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.expect("Unable to generate bindings");
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inst_bindings.write_to_file(out_path.join("inst_bindings.rs")).expect("Couldn't write inst_bindings!");
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} |