106 lines
4.1 KiB
Rust
106 lines
4.1 KiB
Rust
/*
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* Copyright (C) 2023 The Trinitrix Project <soispha@vhack.eu, antifallobst@systemausfall.org>
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*
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* This file is part of the Trixy crate for Trinitrix.
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*
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* Trixy is free software: you can redistribute it and/or modify
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* it under the terms of the Lesser GNU General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* and the Lesser GNU General Public License along with this program.
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* If not, see <https://www.gnu.org/licenses/>.
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*/
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use std::{env, fs, io::Write, path::PathBuf, process::Command};
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use trixy_parser::parse_trixy_lang;
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use crate::config::TrixyConfig;
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pub mod config;
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mod generate;
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const VIM_LINE_RUST: &'static str = "// vim: filetype=rust\n";
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const VIM_LINE_C: &'static str = "// vim: filetype=c\n";
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impl TrixyConfig {
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/// This is the heart of Trixy
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/// It mainly does one thing:
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/// - Generate a tree of modules from the input trixy file
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///
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pub fn generate(&self) {
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let source_code = fs::read_to_string(&self.trixy_path).unwrap_or_else(|err| {
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panic! {"Can't read file at path: '{}'. The Error is: '{}'",
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self.trixy_path.display(), err};
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});
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let trixy_code = parse_trixy_lang(&source_code).unwrap_or_else(|err| {
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panic! {"Parsing of the trixy file failed: \n{}", err}
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});
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// host code
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let host_code = prettyplease::unparse(
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&syn::parse2(generate::generate(&trixy_code, &self))
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.expect("This code was generated, it should also be parsable"),
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);
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let mut host_code_out = fs::File::create(PathBuf::from(format!(
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"{}/{}",
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env::var("OUT_DIR").expect("The build script should have this define"),
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&self.host_code_name.display()
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)))
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.expect("This file should always be free to use");
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write!(host_code_out, "{}\n{}", host_code, VIM_LINE_RUST).expect("Write should work");
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// c header
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let c_header = generate::c_api::header::generate(&trixy_code, &self);
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let c_header_path = PathBuf::from(format!(
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"{}/{}",
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env::var("OUT_DIR").expect("The build script should have this define"),
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&self.c_header_name.display()
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));
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let mut c_header_out =
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fs::File::create(&c_header_path).expect("This file should always be free to use");
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write!(c_header_out, "{}\n{}", c_header, VIM_LINE_C).expect("Write should work");
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Command::new("clang-format")
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.args(["-i", &c_header_path.to_str().unwrap()])
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.status()
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.unwrap_or_else(|err| {
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panic!(
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"Failed to format the c header file with `clang-format`; Error: `{}`",
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err
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)
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});
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if let Some(dist_dir) = &self.dist_dir_path {
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if !dist_dir.is_dir() {
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fs::create_dir(dist_dir).unwrap_or_else(|err| {
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panic! {
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"Failed to create the dist directory ('{}') because of: `{}`",
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dist_dir.display(), err}
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});
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}
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if self.check_dist_dir {
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if dist_dir.read_dir().iter().count() != 1 {
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panic!("Your specified dist dir already has something in it! Set `check_dist_dir` to `false` to override this check");
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}
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}
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let c_header_dist = PathBuf::from(format!(
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"{}/{}",
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dist_dir.display(),
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self.c_header_name.display()
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));
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fs::copy(c_header_path, c_header_dist).unwrap_or_else(
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|err| panic! {"Failed to copy the c header to the dist dir because of: `{}`", err},
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);
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}
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}
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}
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