azur/bobbylisp
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write to file

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azur 2023-03-01 04:47:56 +07:00
parent 2e1258f09a
commit 813d0dfd9e
2 changed files with 17 additions and 26 deletions
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2
b.hlm
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@ -1,5 +1,5 @@
println((\x: num -> x + 35)(34));
16---1*3/-16+8%-2;
println(16---1*3/-16+8%-2);
let a: num = 1 in
println(a);

41
src/main.rs
View file

@ -2,6 +2,8 @@
pub mod read;
pub mod trans;
use std::io::Write;
use read::parse::{lex, parse};
use trans::low::{translate_expr, translate_js};
@ -15,34 +17,23 @@ fn main() {
let (ast, parse_errs) = parse(tokens, src.len());
if let Some(ast) = ast {
println!();
println!("\x1b[90m───SOURCE─────────────────────────────────────────\x1b[0m");
println!("{src}");
println!("\x1b[90m───PARSE TREE─────────────────────────────────────\x1b[0m");
for (e, _) in &ast {
println!("{}", {
let e = format!("{:?}", e);
if e.len() > 50 {
format!("{}...", &e[..47])
} else {
e
}
});
}
println!("\x1b[90m───INTERNAL AST───────────────────────────────────\x1b[0m");
let nexprs = ast.into_iter().map(|(e, _)| translate_expr(e)).collect::<Vec<_>>();
for expr in &nexprs {
println!("{}", expr);
}
println!("\x1b[90m───JS OUTPUT──────────────────────────────────────\x1b[0m");
let jsexprs = nexprs.into_iter().map(translate_js).collect::<Vec<_>>();
for expr in &jsexprs {
let s = format!("{}", expr);
println!("{}{}", s, if s.ends_with(';') { "" } else { ";" });
}
println!();
let mut file = std::fs::File::create("out.js").expect("Failed to create file");
let s = jsexprs
.into_iter()
.map(|e| {
let s = format!("{}", e);
if s.ends_with(';') {
s
} else {
format!("{};", s)
}
})
.collect::<Vec<_>>()
.join("\n");
file.write_all(s.as_bytes()).expect("Failed to write to file");
}
parse_errs