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Compare optional value.

This commit is contained in:
Tom Alexander 2023-10-11 18:44:21 -04:00
parent aeb2b6fe68
commit b1a0fa4acf
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 37 additions and 13 deletions
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50
src/compare/compare_field.rs
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@ -424,7 +424,7 @@ pub(crate) fn compare_property_list_of_list_of_list_of_ast_nodes<
's,
'x,
R,
RG: Fn(R) -> Option<&'b Vec<Vec<Object<'s>>>>,
RG: Fn(R) -> Option<&'b Vec<(Option<Vec<Object<'s>>>, Vec<Object<'s>>)>>,
>(
source: &'s str,
emacs: &'b Token<'s>,
@ -461,10 +461,41 @@ pub(crate) fn compare_property_list_of_list_of_list_of_ast_nodes<
};
// Iterate the outer lists
for (value, rust_value) in value.iter().zip(rust_value.iter()) {
// Assert the middle list is a length of 1 because I've never seen it any other way.
let value = value.as_list()?;
if value.len() != 1 {
for (value, (rust_optional, rust_value)) in value.iter().zip(rust_value.iter()) {
let mut middle_value = value.as_list()?.iter();
// First element of middle list is the mandatory value (the value past the colon).
let mandatory_value = middle_value.next();
let mandatory_value = match mandatory_value {
Some(mandatory_value) => mandatory_value,
None => {
let this_status = DiffStatus::Bad;
let message = Some(format!(
"{} mismatch (emacs != rust) {:?} != {:?}",
emacs_field, value, rust_value
));
return Ok(ComparePropertiesResult::SelfChange(this_status, message));
}
};
let mut child_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(rust_value.len());
// Compare optional value
if let Some(rust_optional) = rust_optional {
if rust_optional.len() != middle_value.len() {
let this_status = DiffStatus::Bad;
let message = Some(format!(
"{} mismatch (emacs != rust) {:?} != {:?}",
emacs_field, value, rust_value
));
return Ok(ComparePropertiesResult::SelfChange(this_status, message));
}
for (e, r) in middle_value.zip(rust_optional) {
child_status.push(compare_ast_node(source, e, r.into())?);
}
}
// Compare mandatory value
let mandatory_value = mandatory_value.as_list()?;
if rust_value.len() != mandatory_value.len() {
let this_status = DiffStatus::Bad;
let message = Some(format!(
"{} mismatch (emacs != rust) {:?} != {:?}",
@ -472,14 +503,7 @@ pub(crate) fn compare_property_list_of_list_of_list_of_ast_nodes<
));
return Ok(ComparePropertiesResult::SelfChange(this_status, message));
}
// Drill past the middle list to the inner list.
let value = value
.first()
.expect("The above if-statement asserts this exists.");
let value = value.as_list()?;
// Compare inner lists
let mut child_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(rust_value.len());
for (e, r) in value.iter().zip(rust_value) {
for (e, r) in mandatory_value.iter().zip(rust_value) {
child_status.push(compare_ast_node(source, e, r.into())?);
}
let diff_scope = artificial_owned_diff_scope(emacs_field, child_status)?;