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Add the default help flag

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This commit is contained in:
JT
2021-10-14 06:53:27 +13:00
parent ff6cc2cbdd
commit fdd2c35fd9
8 changed files with 89 additions and 41 deletions
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14
crates/nu-parser/src/flatten.rs
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@ -1,7 +1,7 @@
use nu_protocol::ast::{Block, Expr, Expression, PathMember, Pipeline, Statement};
use nu_protocol::{engine::StateWorkingSet, Span};
#[derive(Debug)]
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd)]
pub enum FlatShape {
Garbage,
Bool,
@ -59,15 +59,21 @@ pub fn flatten_expression(
Expr::Block(block_id) => flatten_block(working_set, working_set.get_block(*block_id)),
Expr::Call(call) => {
let mut output = vec![(call.head, FlatShape::InternalCall)];
let mut args = vec![];
for positional in &call.positional {
output.extend(flatten_expression(working_set, positional));
args.extend(flatten_expression(working_set, positional));
}
for named in &call.named {
output.push((named.0.span, FlatShape::Flag));
args.push((named.0.span, FlatShape::Flag));
if let Some(expr) = &named.1 {
output.extend(flatten_expression(working_set, expr));
args.extend(flatten_expression(working_set, expr));
}
}
// sort these since flags and positional args can be intermixed
args.sort();
output.extend(args);
output
}
Expr::ExternalCall(_, name_span, args) => {