Files
scryer-prolog/build.rs

75 lines
2.5 KiB
Rust

extern crate indexmap;
use crate::indexmap::IndexSet;
use std::env;
use std::fs::{File, copy, create_dir_all, read_dir};
use std::io::Write;
use std::path::Path;
fn main()
{
let out_dir = env::var("OUT_DIR").unwrap();
let dest_path = Path::new(&out_dir).join("libraries.rs");
let mut libraries = File::create(&dest_path).unwrap();
let mut library_index = IndexSet::new();
let mut paths: Vec<_> = read_dir("./src/lib").unwrap()
.map(|e| e.unwrap().path()).collect();
while let Some(item) = paths.pop() {
if item.is_file() {
let file_name = item.strip_prefix(".").unwrap();
if let Some(ext) = item.extension() {
if ext == "pl" {
let file_stem = item.file_stem().unwrap();
let file_str = file_stem.to_string_lossy().to_uppercase();
let dest = Path::new(&out_dir).join(file_name);
let dir_name = dest.parent().unwrap();
if !dir_name.exists() {
create_dir_all(dir_name).unwrap();
}
match copy(&item, dest) {
Ok(_) => {
}
Err(e) => {
panic!("die: {:?}", e)
}
};
let include_line = format!("static {}: &str = include_str!({:?});\n",
file_str, file_name); //file_stem.to_string_lossy());
libraries.write_all(include_line.as_bytes()).unwrap();
library_index.insert(file_stem.to_string_lossy().to_string());
}
}
} else if item.is_dir() {
for entry in read_dir(item).unwrap() {
let path = entry.unwrap().path();
paths.push(path);
}
}
}
libraries.write_all(b"\nref_thread_local! {
pub static managed LIBRARIES: IndexMap<&'static str, &'static str> = {
let mut m = IndexMap::new();\n").unwrap();
for item in library_index {
let line = format!("\n m.insert(\"{}\", {});", item, item.to_uppercase());
libraries.write_all(line.as_bytes()).unwrap();
}
libraries.write_all(b"\n\n m\n };
}\n").unwrap();
libraries.write_all(b"\npub static PROJECT_DIR: &'static str = \"").unwrap();
libraries.write_all(env::var("CARGO_MANIFEST_DIR").unwrap().as_bytes()).unwrap();
libraries.write_all(b"\";\n").unwrap();
}