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//build.rs for rst_lex
/*
use std::env;
use std::fs;
use std::path::Path;
use std::io::{Read, Write};
//extern crate for_build_rs;
#[cfg(feature ="cleanup")]
use for_build_rs::lex::{stream_cleanup, leave_file_mark};
#[cfg(feature ="cleanup")]
use for_build_rs::faav::cleanup_dbg_attr;
#[cfg(feature ="cleanup")]
pub fn cleanup () {
let mut attr = cleanup_dbg_attr::new();
attr._1st_token = "dbg!".to_string ();
attr.end_token = ";".to_string ();
let src = "./src/dev_lex.rs";
let dst = "./src/stable_lex.rs";
let mut dev_lex = String::new ();
let mut src_file = match fs::File::open (src) {
Ok (f) => { f },
Err (e) => {panic! ("cleanup for rst_lex failed to open file {src} w/ err {:?}", e)}
};
let _ = match src_file.read_to_string ( &mut dev_lex){
Ok (fine) => { fine },
Err (e) => { eprintln! ("cleanup () in rst_lex build.rs failed to read from {src} to dev_lex due to {:?} ", e); return}
};
dev_lex = stream_cleanup (&dev_lex, &attr._1st_token, 0, &attr.end_token);
dev_lex = stream_cleanup (&dev_lex, &"dbg_stuff".to_string(), 0, &"dbg_stuff".to_string() );
let mut dst_file = match fs::File::create (dst) {
Ok (f) => { f },
Err (e) => {panic! ("cleanup for rst_lex failed to wtite file {dst} w/ err {:?}", e)}
};
dev_lex = dev_lex.replace (";;", "");
leave_file_mark ("/tmp/cleanup", &dev_lex);
dst_file.write_all (dev_lex.as_bytes() );
}
fn main() {
#[cfg(feature ="cleanup")]
cleanup ();
}
*/