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fix: error Variable not in scope for a def parameter #2901 (#2951)

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adding tests to notice regressions on this issue

Co-authored-by: hk <alexhaka10@protonmail.com>
This commit is contained in:
ahkrr 2021-01-19 19:21:11 +01:00 committed by GitHub
parent 576ed6a906
commit 899d324a9c
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2 changed files with 71 additions and 1 deletions
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2
crates/nu-protocol/src/hir.rs
View File

@ -1173,7 +1173,7 @@ impl Expression {
output.extend(item.get_free_variables(known_variables));
}
}
Expression::Invocation(block) => {
Expression::Invocation(block) | Expression::Block(block) => {
output.extend(block.get_free_variables(known_variables));
}
Expression::Binary(binary) => {

70
tests/shell/pipeline/commands/internal.rs
View File

@ -810,3 +810,73 @@ mod tilde_expansion {
assert_eq!(actual.out, "1~1");
}
}
mod variable_scoping {
use nu_test_support::nu;
macro_rules! test_variable_scope {
($func:literal == $res:literal $(,)*) => {
let actual = nu!(
cwd: ".",
$func
);
assert_eq!(actual.out, $res);
};
}
macro_rules! test_variable_scope_list {
($func:literal == $res:expr $(,)*) => {
let actual = nu!(
cwd: ".",
$func
);
let result: Vec<&str> = actual.out.matches("ZZZ").collect();
assert_eq!(result, $res);
};
}
#[test]
fn access_variables_in_scopes() {
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { do { echo $input } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { do { if $input == "ZZZ" { echo $input } { echo $input } } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { do { if $input == "ZZZ" { echo $input } { echo $input } } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { echo $input } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope!(
r#" def test [input] { echo [0 1 2] | do { if $input == $input { echo $input } { echo $input } } }
test ZZZ "#
== "ZZZ"
);
test_variable_scope_list!(
r#" def test [input] { echo [0 1 2] | each { echo $input } }
test ZZZ "#
== ["ZZZ", "ZZZ", "ZZZ"]
);
test_variable_scope_list!(
r#" def test [input] { echo [0 1 2] | each { if $it > 0 {echo $input} {echo $input}} }
test ZZZ "#
== ["ZZZ", "ZZZ", "ZZZ"]
);
test_variable_scope_list!(
r#" def test [input] { echo [0 1 2] | each { if $input == $input {echo $input} {echo $input}} }
test ZZZ "#
== ["ZZZ", "ZZZ", "ZZZ"]
);
}
}