Mercurial > python-compiler.rs

comparison src/main.rs @ 0:211b0df72e64

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Hello world!
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 29 May 2016 19:15:02 +0100
parents
children fa7e285f88e7
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-1:000000000000 0:211b0df72e64
1 extern crate cpython;
2
3 mod python_tb;
4 mod python_parse;
5 mod python_dump;
6 mod python_ast;
7 mod ast_convert;
8 mod ast_dump;
9 //mod ast_rewrite;
10 mod ast_type;
11
12 use std::fs::File;
13 use std::io::Read;
14
15 fn main() {
16 let filename = match std::env::args().nth(1) {
17 Some(filename) => filename,
18 None => {
19 // TODO: use stderr instead.
20 println!("USAGE: {} <filename> [filename…]", std::env::args().nth(0).unwrap());
21 std::process::exit(1);
22 }
23 };
24
25 let code = {
26 let mut file = match File::open(&filename) {
27 Ok(file) => file,
28 Err(err) => {
29 // TODO: use stderr instead.
30 println!("Error while opening file “{}”: {}", filename, err);
31 std::process::exit(2);
32 }
33 };
34 let mut code = String::new();
35 file.read_to_string(&mut code).unwrap();
36 code
37 };
38
39 let module = match python_parse::parse_ast(code) {
40 Ok(module) => module,
41 Err(err) => {
42 // TODO: use stderr instead.
43 println!("Error while parsing file “{}”:", filename);
44 python_tb::traceback(err);
45 std::process::exit(3);
46 }
47 };
48
49 //python_dump::dump_module(&module);
50 let module_ast = ast_convert::convert_ast("__main__".to_string(), &module);
51 ast_dump::dump_ast(&module_ast);
52 //ast_rewrite::rewrite_ast(module_ast);
53 ast_type::type_ast(module_ast);
54 }