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Fix hiding module; Fmt

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This fixes the case when you call `hide spam`. It will now hide all
commands you'd call like `spam foo` etc.
This commit is contained in:
Jakub Žádník 2021-10-31 17:38:00 +02:00
parent 7112664b3f
commit b7c0ba104f
2 changed files with 77 additions and 51 deletions
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115
crates/nu-parser/src/parse_keywords.rs
View file

@ -502,51 +502,51 @@ pub fn parse_use(
let (import_pattern, err) = parse_import_pattern(working_set, &spans[1..]);
error = error.or(err);
let (import_pattern, exports) =
if let Some(block_id) = working_set.find_module(&import_pattern.head) {
let (import_pattern, exports) = if let Some(block_id) =
working_set.find_module(&import_pattern.head)
{
(
import_pattern,
working_set.get_block(block_id).exports.clone(),
)
} else {
// TODO: Handle invalid UTF-8 conversion
// It could be a file
let module_filename = String::from_utf8_lossy(&import_pattern.head).to_string();
let module_path = Path::new(&module_filename);
let module_name = if let Some(stem) = module_path.file_stem() {
stem.to_string_lossy().to_string()
} else {
return (
garbage_statement(spans),
Some(ParseError::ModuleNotFound(spans[1])),
);
};
if let Ok(contents) = std::fs::read(module_path) {
let span_start = working_set.next_span_start();
working_set.add_file(module_filename, &contents);
let span_end = working_set.next_span_start();
let (block, err) = parse_module_block(working_set, Span::new(span_start, span_end));
error = error.or(err);
let block_id = working_set.add_module(&module_name, block);
(
import_pattern,
ImportPattern {
head: module_name.into(),
members: import_pattern.members,
},
working_set.get_block(block_id).exports.clone(),
)
} else {
//TODO: Fix this
// It could be a file
let module_filename = String::from_utf8_lossy(&import_pattern.head).to_string();
let module_path = Path::new(&module_filename);
let module_name = if let Some(stem) = module_path.file_stem() {
stem.to_string_lossy().to_string()
} else {
return (
garbage_statement(spans),
Some(ParseError::ModuleNotFound(spans[1])),
);
};
if let Ok(contents) = std::fs::read(module_path) {
let span_start = working_set.next_span_start();
working_set.add_file(module_filename, &contents);
let span_end = working_set.next_span_start();
let (block, err) =
parse_module_block(working_set, Span::new(span_start, span_end));
error = error.or(err);
let block_id = working_set.add_module(&module_name, block);
(
ImportPattern {
head: module_name.into(),
members: import_pattern.members,
},
working_set.get_block(block_id).exports.clone(),
)
} else {
return (
garbage_statement(spans),
Some(ParseError::ModuleNotFound(spans[1])),
);
}
};
return (
garbage_statement(spans),
Some(ParseError::ModuleNotFound(spans[1])),
);
}
};
let exports = if import_pattern.members.is_empty() {
exports
@ -641,17 +641,20 @@ pub fn parse_hide(
let (import_pattern, err) = parse_import_pattern(working_set, &spans[1..]);
error = error.or(err);
let exported_names: Vec<Vec<u8>> =
let (is_module, exported_names): (bool, Vec<Vec<u8>>) =
if let Some(block_id) = working_set.find_module(&import_pattern.head) {
working_set
.get_block(block_id)
.exports
.iter()
.map(|(name, _)| name.clone())
.collect()
(
true,
working_set
.get_block(block_id)
.exports
.iter()
.map(|(name, _)| name.clone())
.collect(),
)
} else if import_pattern.members.is_empty() {
// The pattern head can be e.g. a function name, not just a module
vec![import_pattern.head.clone()]
(false, vec![import_pattern.head.clone()])
} else {
return (
garbage_statement(spans),
@ -661,7 +664,19 @@ pub fn parse_hide(
// This kind of inverts the import pattern matching found in parse_use()
let names_to_hide = if import_pattern.members.is_empty() {
exported_names
if is_module {
exported_names
.into_iter()
.map(|name| {
let mut new_name = import_pattern.head.to_vec();
new_name.push(b' ');
new_name.extend(&name);
new_name
})
.collect()
} else {
exported_names
}
} else {
match &import_pattern.members[0] {
ImportPatternMember::Glob { .. } => exported_names

13
src/tests.rs
View file

@ -249,7 +249,10 @@ fn alias_2() -> TestResult {
#[test]
fn alias_2_multi_word() -> TestResult {
run_test(r#"def "foo bar" [$x $y] { $x + $y + 10 }; alias f = foo bar 33; f 100"#, "143")
run_test(
r#"def "foo bar" [$x $y] { $x + $y + 10 }; alias f = foo bar 33; f 100"#,
"143",
)
}
#[test]
@ -541,6 +544,14 @@ fn hides_import_5() -> TestResult {
)
}
#[test]
fn hides_import_6() -> TestResult {
fail_test(
r#"module spam { export def foo [] { "foo" } }; use spam; hide spam; foo"#,
not_found_msg(),
)
}
#[test]
fn def_twice_should_fail() -> TestResult {
fail_test(