diff options
Diffstat (limited to 'src/tools/generate-windows-sys/src/main.rs')
-rw-r--r-- | src/tools/generate-windows-sys/src/main.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/tools/generate-windows-sys/src/main.rs b/src/tools/generate-windows-sys/src/main.rs new file mode 100644 index 00000000000..91d981462e8 --- /dev/null +++ b/src/tools/generate-windows-sys/src/main.rs @@ -0,0 +1,37 @@ +use std::fs; +use std::io::{self, Write}; +use std::path::PathBuf; + +/// This is printed to the file before the rest of the contents. +const PRELUDE: &str = r#"// This file is autogenerated. +// +// To add bindings, edit windows_sys.lst then use `./x run generate-windows-sys` to +// regenerate the bindings. +// +// ignore-tidy-filelength +"#; + +fn main() -> io::Result<()> { + let mut path: PathBuf = + std::env::args_os().nth(1).expect("a path to the rust repository is required").into(); + path.push("library/std/src/sys/windows/c/windows_sys.lst"); + + // Load the list of APIs + let buffer = fs::read_to_string(&path)?; + let names: Vec<&str> = buffer + .lines() + .filter_map(|line| { + let line = line.trim(); + if line.is_empty() || line.starts_with("//") { None } else { Some(line) } + }) + .collect(); + + // Write the bindings to windows-sys.rs + let bindings = windows_bindgen::standalone_std(&names); + path.set_extension("rs"); + let mut f = std::fs::File::create(&path)?; + f.write_all(PRELUDE.as_bytes())?; + f.write_all(bindings.as_bytes())?; + + Ok(()) +} |