holm/nushell
1
1
Fork 0
forked from extern/nushell
Code Issues Pull Requests Packages Projects Releases Wiki Activity

improve subcommand parse

Browse Source
This commit is contained in:
JT 2021-07-18 07:40:39 +12:00
parent 92f72b4103
commit 4deed7c836
2 changed files with 13 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/main.rs
View File

@ -7,8 +7,8 @@ fn main() -> std::io::Result<()> {
let mut parser_state = Arc::new(ParserState::new());
let mut working_set = ParserWorkingSet::new(Some(parser_state.clone()));
// let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
// working_set.add_decl(sig.into());
let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
working_set.add_decl(sig.into());
// let sig = Signature::build("bar")
// .named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'))

27
src/parser.rs
View File

@ -643,17 +643,16 @@ impl ParserWorkingSet {
// assume spans.len() > 0?
let name = self.get_span_contents(spans[0]);
if self.contains_decl_partial_match(name) {
// potentially subcommand
if let Some(mut decl_id) = self.find_decl(name) {
let mut name = name.to_vec();
let mut pos = 1;
let mut decl_id = None;
while pos < spans.len() {
// look to see if it's a subcommand
let mut new_name = name.to_vec();
new_name.push(b' ');
new_name.extend(self.get_span_contents(spans[pos]));
if let Some(did) = self.find_decl(&new_name) {
decl_id = Some(did);
decl_id = did;
} else {
break;
}
@ -661,18 +660,14 @@ impl ParserWorkingSet {
pos += 1;
}
// parse internal command
if let Some(decl_id) = decl_id {
let (call, span, err) = self.parse_internal_call(&spans[(pos - 1)..], decl_id);
(
Expression {
expr: Expr::Call(call),
span,
},
err,
)
} else {
self.parse_external_call(spans)
}
let (call, span, err) = self.parse_internal_call(&spans[(pos - 1)..], decl_id);
(
Expression {
expr: Expr::Call(call),
span,
},
err,
)
} else {
self.parse_external_call(spans)
}