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Early work on scripting features

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pagedmov
2025-03-16 02:56:29 -04:00
parent c0fb3f5914
commit 92d7766765
14 changed files with 376 additions and 132 deletions
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17
src/builtin/shift.rs
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@@ -1,20 +1,14 @@
use crate::{jobs::{ChildProc, JobBldr}, libsh::error::{ErrSpan, ShErr, ShErrKind, ShResult}, parse::{execute::prepare_argv, NdRule, Node}, prelude::*, state::write_vars};
use crate::{jobs::{ChildProc, JobBldr}, libsh::error::{ErrSpan, ShErr, ShErrKind, ShResult}, parse::{execute::prepare_argv, NdRule, Node}, prelude::*, state::{self, write_vars}};
use super::setup_builtin;
pub fn shift(node: Node, job: &mut JobBldr) -> ShResult<()> {
let NdRule::Command { assignments: _, argv } = node.class else {
unreachable!()
};
let child_pgid = if let Some(pgid) = job.pgid() {
pgid
} else {
job.set_pgid(Pid::this());
Pid::this()
};
let child = ChildProc::new(Pid::this(), Some("shift"), Some(child_pgid))?;
job.push_child(child);
let mut argv = prepare_argv(argv).into_iter().skip(1);
let (argv,_) = setup_builtin(argv, job, None)?;
let mut argv = argv.into_iter();
if let Some((arg,span)) = argv.next() {
let Ok(count) = arg.parse::<usize>() else {
@@ -31,5 +25,6 @@ pub fn shift(node: Node, job: &mut JobBldr) -> ShResult<()> {
}
}
state::set_status(0);
Ok(())
}