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This allows us to use a custom callback for marking some types as Copy, which bindgen otherwise pessimistically assumes cannot.pull/10/head
Ian Chamberlain
2 years ago
6 changed files with 98 additions and 206 deletions
@ -1,5 +1,5 @@
@@ -1,5 +1,5 @@
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[workspace] |
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members = ["citro3d-sys", "citro3d"] |
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members = ["citro3d-sys", "citro3d", "bindgen-citro3d"] |
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[patch."https://github.com/ian-h-chamberlain/citro3d-rs.git"] |
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citro3d-sys = { path = "citro3d-sys" } |
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@ -0,0 +1,7 @@
@@ -0,0 +1,7 @@
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[package] |
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name = "bindgen-citro3d" |
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version = "0.1.0" |
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edition = "2021" |
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[dependencies] |
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bindgen = "0.62.0" |
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@ -0,0 +1,80 @@
@@ -0,0 +1,80 @@
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use std::iter::FromIterator; |
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use std::path::PathBuf; |
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use bindgen::callbacks::{DeriveTrait, ImplementsTrait, ParseCallbacks}; |
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use bindgen::{Builder, RustTarget}; |
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fn main() { |
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let devkitpro = std::env::var("DEVKITPRO").expect("DEVKITPRO not set in environment"); |
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let devkitarm = std::env::var("DEVKITARM").expect("DEVKITARM not set in environment"); |
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let include_path = PathBuf::from(devkitpro).join(PathBuf::from_iter(["libctru", "include"])); |
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let header = include_path.join("tex3ds.h"); |
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let sysroot = PathBuf::from(devkitarm).join("arm-none-eabi"); |
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let system_include = sysroot.join("include"); |
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let bindings = Builder::default() |
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.header(header.to_str().unwrap()) |
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.rust_target(RustTarget::Nightly) |
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.use_core() |
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.trust_clang_mangling(false) |
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.layout_tests(false) |
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.ctypes_prefix("::libc") |
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.prepend_enum_name(false) |
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.fit_macro_constants(true) |
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.raw_line("use ctru_sys::*;") |
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.must_use_type("Result") |
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// TODO functions,types,vars
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.blocklist_type("u(8|16|32|64)") |
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.opaque_type("(GPU|GFX)_.*") |
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.opaque_type("float24Uniform_s") |
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.blocklist_file(".*/3ds/.*[.]h") |
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.allowlist_file(".*/c3d/.*[.]h") |
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.allowlist_file(".*/tex3ds[.]h") |
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.clang_args([ |
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"--target=arm-none-eabi", |
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"--sysroot", |
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sysroot.to_str().unwrap(), |
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"-isystem", |
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system_include.to_str().unwrap(), |
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"-I", |
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include_path.to_str().unwrap(), |
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"-mfloat-abi=hard", |
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"-march=armv6k", |
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"-mtune=mpcore", |
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"-mfpu=vfp", |
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"-DARM11 ", |
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"-D_3DS ", |
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"-D__3DS__ ", |
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]) |
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.parse_callbacks(Box::new(CustomCallbacks)) |
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.generate() |
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.expect("Unable to generate bindings"); |
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bindings |
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.write(Box::new(std::io::stdout())) |
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.expect("failed to write bindings"); |
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} |
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#[derive(Debug)] |
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struct CustomCallbacks; |
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impl ParseCallbacks for CustomCallbacks { |
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fn blocklisted_type_implements_trait( |
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&self, |
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name: &str, |
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derive_trait: DeriveTrait, |
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) -> Option<ImplementsTrait> { |
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if let DeriveTrait::Copy | DeriveTrait::Debug = derive_trait { |
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match name { |
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"u64_" | "u32_" | "u16_" | "u8_" | "u64" | "u32" | "u16" | "u8" | "gfxScreen_t" |
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| "gfx3dSide_t" => Some(ImplementsTrait::Yes), |
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_ if name.starts_with("GPU_") => Some(ImplementsTrait::Yes), |
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_ => None, |
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} |
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} else { |
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None |
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} |
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} |
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} |
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