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implemented the 'builtin' and 'command' builtins

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This commit is contained in:
Kyler Clay
2025-04-20 16:14:11 -04:00
parent 08e57e92fd
commit 3155db5565
3 changed files with 25 additions and 5 deletions
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14
src/parse/execute.rs
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@@ -345,9 +345,9 @@ impl Dispatcher {
write_vars(|v| v.set_var(&var.to_string(), &val.to_string(), false));
}
self.io_stack.push(body_frame.clone());
for node in body.clone() {
self.io_stack.push(body_frame.clone());
if let Err(e) = self.dispatch_node(node) {
match e.kind() {
ShErrKind::LoopBreak(code) => {
@@ -433,14 +433,22 @@ impl Dispatcher {
Ok(())
}
fn exec_builtin(&mut self, mut cmd: Node) -> ShResult<()> {
let NdRule::Command { ref mut assignments, argv: _ } = &mut cmd.class else {
let NdRule::Command { ref mut assignments, ref mut argv } = &mut cmd.class else {
unreachable!()
};
let env_vars_to_unset = self.set_assignments(mem::take(assignments), AssignBehavior::Export);
let cmd_raw = cmd.get_command().unwrap();
let cmd_raw = argv.first().unwrap();
let curr_job_mut = self.job_stack.curr_job_mut().unwrap();
let io_stack_mut = &mut self.io_stack;
if cmd_raw.as_str() == "builtin" || cmd_raw.as_str() == "command" {
*argv = argv.iter_mut()
.skip(1)
.map(|tk| tk.clone())
.collect::<Vec<Tk>>();
return self.dispatch_cmd(cmd)
}
flog!(TRACE, "doing builtin");
let result = match cmd_raw.span.as_str() {
"echo" => echo(cmd, io_stack_mut, curr_job_mut),