removed placeholder text in prompt

cd no longer panics if the given directory doesn't exist (wtf?)

src/builtin/cd.rs

@@ -1,8 +1,9 @@
-use crate::{jobs::JobBldr, libsh::error::ShResult, parse::{NdRule, Node}, prelude::*, state::{self}};
+use crate::{jobs::JobBldr, libsh::error::{ShErr, ShErrKind, ShResult}, parse::{NdRule, Node}, prelude::*, state::{self}};
 
 use super::setup_builtin;
 
 pub fn cd(node: Node, job: &mut JobBldr) -> ShResult<()> {
+	let span = node.get_span();
 	let NdRule::Command { assignments: _, argv } = node.class else {
 		unreachable!()
 	};
@@ -15,6 +16,26 @@ pub fn cd(node: Node, job: &mut JobBldr) -> ShResult<()> {
 		PathBuf::from(env::var("HOME").unwrap())
 	};
 
+	if !new_dir.exists() {
+		return Err(
+			ShErr::full(
+				ShErrKind::ExecFail,
+				format!("cd: No such file or directory '{}'",new_dir.display()),
+				span,
+			)
+		)
+	}
+
+	if !new_dir.is_dir() {
+		return Err(
+			ShErr::full(
+				ShErrKind::ExecFail,
+				format!("cd: Not a directory '{}'",new_dir.display()),
+				span,
+			)
+		)
+	}
+
 	env::set_current_dir(new_dir).unwrap();
 	let new_dir = env::current_dir().unwrap();
 	env::set_var("PWD", new_dir);

src/builtin/source.rs

@@ -15,7 +15,7 @@ pub fn source(node: Node, job: &mut JobBldr) -> ShResult<()> {
 			return Err(
 				ShErr::full(
 					ShErrKind::ExecFail,
-					"source: File not found",
+					format!("source: File '{}' not found",path.display()),
 					span
 				)
 			);
@@ -24,7 +24,7 @@ pub fn source(node: Node, job: &mut JobBldr) -> ShResult<()> {
 			return Err(
 				ShErr::full(
 					ShErrKind::ExecFail,
-					"source: Given path is not a file",
+					format!("source: Given path '{}' is not a file",path.display()),
 					span
 				)
 			);

src/parse/execute.rs

@@ -450,7 +450,13 @@ impl Dispatcher {
 		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" {
+		if cmd_raw.as_str() == "builtin" {
+			*argv = argv.iter_mut()
+				.skip(1)
+				.map(|tk| tk.clone())
+				.collect::<Vec<Tk>>();
+			return self.exec_builtin(cmd)
+		} else if cmd_raw.as_str() == "command" {
 			*argv = argv.iter_mut()
 				.skip(1)
 				.map(|tk| tk.clone())

src/parse/lex.rs

@@ -322,6 +322,7 @@ impl LexStream {
 		let slice = self.slice_from_cursor().unwrap().to_string();
 		let mut pos = self.cursor;
 		let mut chars = slice.chars().peekable();
+		let mut can_be_subshell = chars.peek() == Some(&'(');
 
 		if self.flags.contains(LexFlags::IN_CASE) {
 			if let Some(count) = case_pat_lookahead(chars.clone()) {
@@ -501,7 +502,7 @@ impl LexStream {
 					self.cursor = pos;
 					return Ok(cmdsub_tk)
 				}
-				'(' if self.next_is_cmd() => {
+				'(' if self.next_is_cmd() && can_be_subshell => {
 					pos += 1;
 					let mut paren_count = 1;
 					let paren_pos = pos;

src/parse/mod.rs

@@ -691,17 +691,19 @@ impl ParseStream {
 		let mut body: Vec<Node> = vec![];
 		let mut redirs: Vec<Redir> = vec![];
 
+
 		if *self.next_tk_class() != TkRule::BraceGrpStart {
 			return Ok(None)
 		}
 		node_tks.push(self.next_tk().unwrap());
 	
+
 		loop {
 			if *self.next_tk_class() == TkRule::BraceGrpEnd {
 				node_tks.push(self.next_tk().unwrap());
 				break
 			}
-			if let Some(node) = self.parse_block(true)? {
+			if let Some(node) = self.parse_cmd_list()? {
 				node_tks.extend(node.tokens.clone());
 				body.push(node);
 			}

src/prompt/readline/mod.rs

@@ -107,7 +107,7 @@ impl Readline for FernVi {
 impl FernVi {
 	pub fn new(prompt: Option<String>) -> ShResult<Self> {
 		let prompt = prompt.unwrap_or("$ ".styled(Style::Green | Style::Bold));
-		let line = LineBuf::new().with_initial(LOREM_IPSUM);
+		let line = LineBuf::new();//.with_initial(LOREM_IPSUM);
 		let term = Terminal::new();
 		let history = History::new()?;
 		Ok(Self {