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zed/crates/extension_api/wit/since_v0.8.0/lsp.wit
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Shuhei KadowakiandMrSubidubi c9f65764a1 lsp: Add container_name to lsp::Symbol (#46822)
Some language servers include local symbols (e.g., local variables,
parameters) in workspace symbol results. Without the `containerName`
information, these symbols lack context information, making it difficult
to distinguish them from top-level definitions and hindering efficient
symbol lookup.

This change exposes the `container_name` field from LSP
[`SymbolInformation`](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#symbolInformation)
to the extension API, allowing language server extensions to access
`symbol.container_name` in `label_for_symbol` and provide meaningful
context when rendering symbol labels.

Note: The `container_name `field is added to all extension API versions
because they seem to share the same underlying Rust types via wasmtime
bindgen. The field is optional, so existing extensions would remain
compatible as far as I understand.

Closes #ISSUE

Release Notes:

- Added `container_name` field to `lsp::Symbol`, accessible via the
extension API's `label_for_symbol` function

---------

Co-authored-by: MrSubidubi <finn@zed.dev>
2026-02-04 23:03:15 +01:00

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interface lsp {
/// An LSP completion.
record completion {
label: string,
label-details: option<completion-label-details>,
detail: option<string>,
kind: option<completion-kind>,
insert-text-format: option<insert-text-format>,
}
/// The kind of an LSP completion.
variant completion-kind {
text,
method,
function,
%constructor,
field,
variable,
class,
%interface,
module,
property,
unit,
value,
%enum,
keyword,
snippet,
color,
file,
reference,
folder,
enum-member,
constant,
struct,
event,
operator,
type-parameter,
other(s32),
}
/// Label details for an LSP completion.
record completion-label-details {
detail: option<string>,
description: option<string>,
}
/// Defines how to interpret the insert text in a completion item.
variant insert-text-format {
plain-text,
snippet,
other(s32),
}
/// An LSP symbol.
record symbol {
kind: symbol-kind,
name: string,
container-name: option<string>,
}
/// The kind of an LSP symbol.
variant symbol-kind {
file,
module,
namespace,
%package,
class,
method,
property,
field,
%constructor,
%enum,
%interface,
function,
variable,
constant,
%string,
number,
boolean,
array,
object,
key,
null,
enum-member,
struct,
event,
operator,
type-parameter,
other(s32),
}
}