use convert_case::{Case, Casing};
use std::fs::File;
use std::io::{BufRead, BufReader, BufWriter, Write};
use std::path::Path;
use unicase::UniCase;
pub fn make_keywords_file(in_path: &Path, out_path: &Path) {
let in_file = BufReader::new(File::open(in_path).unwrap());
let mut out_file = BufWriter::new(File::create(out_path).unwrap());
let mut keywords = vec![];
let mut strings = vec![];
writeln!(
&mut out_file,
r#"
// This file is autogenerated by codegen/src/keywords.rs
/*
* Copyright © 2024 wysiwys
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
use crate::lexer::Token;
use unicase::*;"#
)
.unwrap();
let mut map_builder = phf_codegen::OrderedMap::new();
let re = regex::Regex::new(r"([a-z_]+),[ \t]*([A-Z_]+)").unwrap();
for line in in_file.lines() {
let l = line.unwrap().clone();
if let Some((_, [key, value])) = re.captures(l.as_str()).map(|caps| caps.extract()) {
let value = value.to_case(Case::UpperCamel);
if !keywords.contains(&value) {
keywords.push(value.clone());
strings.push(key.to_owned());
}
let value = format!("Token::{}", value);
map_builder.entry(UniCase::ascii(key.to_owned()), &value);
} else {
panic!("Token could not be read");
}
}
writeln!(
&mut out_file,
"
pub(crate) static KEYWORDS: phf::OrderedMap<UniCase<&'static str>, Token> = {}\n;\n",
map_builder.build()
)
.unwrap();
}