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path: root/src/main.rs
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use std::env::{current_dir, set_current_dir};
use std::fs::{create_dir_all, metadata};
use std::path::Path;
use std::process::Command;

use clang::{Clang, Index};

const TARGET_TAG: &str = "v3.1.5";

fn main() {
    assert_eq!(current_dir().unwrap(), Path::new(env!("CARGO_MANIFEST_DIR")), "running in the wrong place");
    create_dir_all("out").unwrap();
    set_current_dir("out").unwrap();

    if metadata("orig").is_err() {
        println!("cloning wxWidgets source...");
        let git_clone = Command::new("git")
            .args(&["clone", "--quiet", "https://github.com/wxWidgets/wxWidgets.git", "orig", "--depth", "1"])
            .status()
            .unwrap();
        assert!(git_clone.success());
        let git_config = Command::new("git")
            .args(&["-C", "orig", "config", "--local", "advice.detachedHead", "false"])
            .status()
            .unwrap();
        assert!(git_config.success());
    }
    let git_tag = Command::new("git").args(&["-C", "orig", "describe"]).output().unwrap();
    if String::from_utf8(git_tag.stdout).unwrap().trim() != TARGET_TAG {
        let git_checkout = Command::new("git")
            .args(&["-C", "orig", "checkout", "--quiet", TARGET_TAG])
            .status()
            .unwrap();
        assert!(git_checkout.success());
    }

    if metadata("new").is_err() {
        println!("creating wx crate...");
        let cargo_new = Command::new("cargo")
            .args(&["new", "--quiet", "--vcs", "none", "--lib", "--name", "wx", "new"])
            .status()
            .unwrap();
        assert!(cargo_new.success());
    }

    let clang = Clang::new().unwrap();
    let index = Index::new(&clang, true, true);

    let mut root_header_parser = index.parser("orig/include/wx/wx.h");
    root_header_parser.keep_going(true);
    root_header_parser.arguments(&["-Iorig/include", "-D"]);
    let root_header = root_header_parser.parse().unwrap();
    println!("{}", root_header.get_entity().get_pretty_printer().print());
}