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Fix captures (#4421)

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* Fix rowcondition and import captures

* Only check extra blocks if not yet seen
This commit is contained in:
JT
2022-02-11 07:37:10 -05:00
committed by GitHub
parent e16d6ae00c
commit 886ed5ab2d
3 changed files with 30 additions and 3 deletions
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23
crates/nu-parser/src/parser.rs
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@ -3944,8 +3944,16 @@ pub fn discover_captures_in_expr(
}
Expr::RowCondition(block_id) | Expr::Subexpression(block_id) => {
let block = working_set.get_block(*block_id);
let result = discover_captures_in_block(working_set, block, seen, seen_blocks);
output.extend(&result);
let results = {
let mut seen = vec![];
discover_captures_in_block(working_set, block, &mut seen, seen_blocks)
};
seen_blocks.insert(*block_id, results.clone());
for var_id in results.into_iter() {
if !seen.contains(&var_id) {
output.push(var_id)
}
}
}
Expr::Table(headers, values) => {
for header in headers {
@ -4066,6 +4074,17 @@ pub fn parse(
let captures = discover_captures_in_block(working_set, &output, &mut seen, &mut seen_blocks);
output.captures = captures;
// Also check other blocks that might have been imported
for (block_idx, block) in working_set.delta.blocks.iter().enumerate() {
let block_id = block_idx + working_set.permanent_state.num_blocks();
if !seen_blocks.contains_key(&block_id) {
let captures =
discover_captures_in_block(working_set, block, &mut seen, &mut seen_blocks);
seen_blocks.insert(block_id, captures);
}
}
for (block_id, captures) in seen_blocks.into_iter() {
// In theory, we should only be updating captures where we have new information
// the only place where this is possible would be blocks that are newly created