Files
shed/src/expand/mod.rs
2025-03-10 01:50:12 -04:00

65 lines
1.7 KiB
Rust

pub mod vars;
pub mod tilde;
pub mod alias;
pub mod cmdsub;
pub mod arithmetic;
pub mod prompt;
pub mod brace;
use arithmetic::expand_arith_token;
use brace::expand_brace_token;
use cmdsub::expand_cmdsub_token;
use vars::{expand_string, expand_var};
use tilde::expand_tilde_token;
use crate::prelude::*;
pub fn expand_argv(argv: Vec<Token>, shenv: &mut ShEnv) -> ShResult<Vec<Token>> {
let mut processed = vec![];
for arg in argv {
log!(TRACE, "{}",arg.as_raw(shenv));
log!(TRACE, processed);
let mut expanded = expand_token(arg, shenv)?;
processed.append(&mut expanded);
}
Ok(processed)
}
pub fn expand_token(token: Token, shenv: &mut ShEnv) -> ShResult<Vec<Token>> {
let mut processed = vec![];
match token.rule() {
TkRule::DQuote => {
let dquote_exp = expand_string(&token.as_raw(shenv), shenv)?;
let mut expanded = shenv.expand_input(&dquote_exp, token.span());
processed.append(&mut expanded);
}
TkRule::VarSub => {
let mut varsub_exp = expand_var(token.clone(), shenv);
processed.append(&mut varsub_exp);
}
TkRule::TildeSub => {
let tilde_exp = expand_tilde_token(token.clone(), shenv);
processed.push(tilde_exp);
}
TkRule::ArithSub => {
let arith_exp = expand_arith_token(token.clone(), shenv)?;
processed.push(arith_exp);
}
TkRule::BraceExp => {
let mut brace_exp = expand_brace_token(token, shenv)?;
processed.append(&mut brace_exp);
}
TkRule::CmdSub => {
let mut cmdsub_exp = expand_cmdsub_token(token.clone(), shenv)?;
processed.append(&mut cmdsub_exp);
}
_ => {
if token.rule() != TkRule::Ident {
log!(WARN, "found this in expand_token: {:?}", token.rule());
}
processed.push(token.clone())
}
}
Ok(processed)
}