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If possible, show type lenses for the let bindings

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This commit is contained in:
Kirill Bulatov 2019-07-19 08:53:12 +03:00
parent 7bde8012cb
commit b6c662c573
2 changed files with 48 additions and 16 deletions
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42
crates/ra_lsp_server/src/main_loop/handlers.rs
View file

@ -726,29 +726,39 @@ pub fn handle_code_lens(
}
}
// Handle impls
lenses.extend(
world
.analysis()
.file_structure(file_id)
.into_iter()
.filter(|it| match it.kind {
SyntaxKind::TRAIT_DEF | SyntaxKind::STRUCT_DEF | SyntaxKind::ENUM_DEF => true,
_ => false,
})
.map(|it| {
lenses.extend(world.analysis().file_structure(file_id).into_iter().filter_map(|it| {
match it.kind {
// Handle impls
SyntaxKind::TRAIT_DEF | SyntaxKind::STRUCT_DEF | SyntaxKind::ENUM_DEF => {
let range = it.node_range.conv_with(&line_index);
let pos = range.start;
let lens_params =
req::TextDocumentPositionParams::new(params.text_document.clone(), pos);
CodeLens {
Some(CodeLens {
range,
command: None,
data: Some(to_value(CodeLensResolveData::Impls(lens_params)).unwrap()),
}
}),
);
})
}
// handle let statements
SyntaxKind::LET_STMT => world
.analysis()
.type_of(FileRange { range: it.navigation_range, file_id })
.ok()
.and_then(std::convert::identity)
.filter(|resolved_type| "{unknown}" != resolved_type)
.map(|resolved_type| CodeLens {
range: it.node_range.conv_with(&line_index),
command: Some(Command {
title: resolved_type,
command: String::new(),
arguments: None,
}),
data: None,
}),
_ => None,
}
}));
Ok(Some(lenses))
}