Use stateless completion resolve

This commit is contained in:
Kirill Bulatov 2020-12-04 16:03:22 +02:00
parent 93bc009a59
commit deda74edd8
6 changed files with 123 additions and 70 deletions

View File

@ -9,7 +9,7 @@ use test_utils::mark;
use crate::{
render::{render_resolution_with_import, RenderContext},
CompletionContext, Completions,
CompletionContext, Completions, ImportEdit,
};
pub(crate) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionContext) {
@ -103,9 +103,11 @@ fn fuzzy_completion(acc: &mut Completions, ctx: &CompletionContext) -> Option<()
.filter_map(|(import_path, definition)| {
render_resolution_with_import(
RenderContext::new(ctx),
import_path.clone(),
import_scope.clone(),
ctx.config.merge,
ImportEdit {
import_path: import_path.clone(),
import_scope: import_scope.clone(),
merge_behaviour: ctx.config.merge,
},
&definition,
)
});

View File

@ -276,7 +276,6 @@ pub struct ImportEdit {
}
impl ImportEdit {
// TODO kb remove this at all now, since it's used only once?
/// Attempts to insert the import to the given scope, producing a text edit.
/// May return no edit in edge cases, such as scope already containing the import.
pub fn to_text_edit(&self) -> Option<TextEdit> {

View File

@ -11,8 +11,11 @@ mod render;
mod completions;
use ide_db::base_db::FilePosition;
use ide_db::RootDatabase;
use ide_db::{
base_db::FilePosition, helpers::insert_use::ImportScope, imports_locator, RootDatabase,
};
use syntax::AstNode;
use text_edit::TextEdit;
use crate::{completions::Completions, context::CompletionContext, item::CompletionKind};
@ -131,6 +134,31 @@ pub fn completions(
Some(acc)
}
/// Resolves additional completion data at the position given.
pub fn resolve_completion_edits(
db: &RootDatabase,
config: &CompletionConfig,
position: FilePosition,
full_import_path: &str,
imported_name: &str,
) -> Option<TextEdit> {
let ctx = CompletionContext::new(db, position, config)?;
let anchor = ctx.name_ref_syntax.as_ref()?;
let import_scope = ImportScope::find_insert_use_container(anchor.syntax(), &ctx.sema)?;
let current_module = ctx.sema.scope(anchor.syntax()).module()?;
let current_crate = current_module.krate();
let import_path = imports_locator::find_exact_imports(&ctx.sema, current_crate, imported_name)
.filter_map(|candidate| {
let item: hir::ItemInNs = candidate.either(Into::into, Into::into);
current_module.find_use_path(db, item)
})
.find(|mod_path| mod_path.to_string() == full_import_path)?;
ImportEdit { import_path, import_scope, merge_behaviour: config.merge }.to_text_edit()
}
#[cfg(test)]
mod tests {
use crate::config::CompletionConfig;

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@ -9,8 +9,7 @@ pub(crate) mod type_alias;
mod builder_ext;
use hir::{Documentation, HasAttrs, HirDisplay, ModPath, Mutability, ScopeDef, Type};
use ide_db::helpers::insert_use::{ImportScope, MergeBehaviour};
use hir::{Documentation, HasAttrs, HirDisplay, Mutability, ScopeDef, Type};
use ide_db::RootDatabase;
use syntax::TextRange;
use test_utils::mark;
@ -48,15 +47,12 @@ pub(crate) fn render_resolution<'a>(
pub(crate) fn render_resolution_with_import<'a>(
ctx: RenderContext<'a>,
import_path: ModPath,
import_scope: ImportScope,
merge_behaviour: Option<MergeBehaviour>,
import_edit: ImportEdit,
resolution: &ScopeDef,
) -> Option<CompletionItem> {
let local_name = import_path.segments.last()?.to_string();
Render::new(ctx).render_resolution(
local_name,
Some(ImportEdit { import_path, import_scope, merge_behaviour }),
import_edit.import_path.segments.last()?.to_string(),
Some(import_edit),
resolution,
)
}

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@ -469,6 +469,28 @@ impl Analysis {
self.with_db(|db| completion::completions(db, config, position).map(Into::into))
}
/// Resolves additional completion data at the position given.
pub fn resolve_completion_edits(
&self,
config: &CompletionConfig,
position: FilePosition,
full_import_path: &str,
imported_name: &str,
) -> Cancelable<Vec<TextEdit>> {
Ok(self
.with_db(|db| {
completion::resolve_completion_edits(
db,
config,
position,
full_import_path,
imported_name,
)
})?
.map(|edit| vec![edit])
.unwrap_or_default())
}
/// Computes resolved assists with source changes for the given position.
pub fn resolved_assists(
&self,

View File

@ -8,8 +8,8 @@ use std::{
};
use ide::{
CompletionResolveCapability, FileId, FilePosition, FileRange, HoverAction, HoverGotoTypeData,
ImportEdit, LineIndex, NavigationTarget, Query, RangeInfo, Runnable, RunnableKind, SearchScope,
CompletionConfig, CompletionResolveCapability, FileId, FilePosition, FileRange, HoverAction,
HoverGotoTypeData, NavigationTarget, Query, RangeInfo, Runnable, RunnableKind, SearchScope,
TextEdit,
};
use itertools::Itertools;
@ -22,7 +22,7 @@ use lsp_types::{
HoverContents, Location, NumberOrString, Position, PrepareRenameResponse, Range, RenameParams,
SemanticTokensDeltaParams, SemanticTokensFullDeltaResult, SemanticTokensParams,
SemanticTokensRangeParams, SemanticTokensRangeResult, SemanticTokensResult, SymbolInformation,
SymbolTag, TextDocumentIdentifier, Url, WorkspaceEdit,
SymbolTag, TextDocumentIdentifier, TextDocumentPositionParams, Url, WorkspaceEdit,
};
use project_model::TargetKind;
use serde::{Deserialize, Serialize};
@ -35,7 +35,6 @@ use crate::{
config::RustfmtConfig,
from_json, from_proto,
global_state::{GlobalState, GlobalStateSnapshot},
line_endings::LineEndings,
lsp_ext::{self, InlayHint, InlayHintsParams},
to_proto, LspError, Result,
};
@ -541,7 +540,7 @@ pub(crate) fn handle_completion(
params: lsp_types::CompletionParams,
) -> Result<Option<lsp_types::CompletionResponse>> {
let _p = profile::span("handle_completion");
let text_document_url = params.text_document_position.text_document.uri.clone();
let text_document_position = params.text_document_position.clone();
let position = from_proto::file_position(&snap, params.text_document_position)?;
let completion_triggered_after_single_colon = {
let mut res = false;
@ -574,23 +573,18 @@ pub(crate) fn handle_completion(
let items: Vec<CompletionItem> = items
.into_iter()
.enumerate()
.flat_map(|(item_index, item)| {
.flat_map(|item| {
let mut new_completion_items =
to_proto::completion_item(&line_index, line_endings, item.clone());
if snap.config.completion.resolve_additional_edits_lazily() {
// TODO kb add resolve data somehow here
if let Some(import_edit) = item.import_to_add() {
// let data = serde_json::to_value(&CompletionData {
// document_url: text_document_url.clone(),
// import_id: item_index,
// })
// .expect(&format!("Should be able to serialize usize value {}", item_index));
for new_item in &mut new_completion_items {
// new_item.data = Some(data.clone());
}
}
for new_item in &mut new_completion_items {
let _ = fill_resolve_data(
&mut new_item.data,
&item,
&snap.config.completion,
&text_document_position,
)
.take();
}
new_completion_items
@ -603,8 +597,8 @@ pub(crate) fn handle_completion(
pub(crate) fn handle_completion_resolve(
snap: GlobalStateSnapshot,
mut original_completion: lsp_types::CompletionItem,
) -> Result<lsp_types::CompletionItem> {
mut original_completion: CompletionItem,
) -> Result<CompletionItem> {
let _p = profile::span("handle_resolve_completion");
// FIXME resolve the other capabilities also?
@ -627,21 +621,30 @@ pub(crate) fn handle_completion_resolve(
None => return Ok(original_completion),
};
// TODO kb get the resolve data and somehow reparse the whole ast again?
// let file_id = from_proto::file_id(&snap, &document_url)?;
// let root = snap.analysis.parse(file_id)?;
let file_id = from_proto::file_id(&snap, &resolve_data.position.text_document.uri)?;
let line_index = snap.analysis.file_line_index(file_id)?;
let line_endings = snap.file_line_endings(file_id);
let offset = from_proto::offset(&line_index, resolve_data.position.position);
// if let Some(import_to_add) =
// import_edit_ptr.and_then(|import_edit| import_edit.into_import_edit(root.syntax()))
// {
// // FIXME actually add all additional edits here? see `to_proto::completion_item` for more
// append_import_edits(
// &mut original_completion,
// &import_to_add,
// snap.analysis.file_line_index(file_id)?.as_ref(),
// snap.file_line_endings(file_id),
// );
// }
let mut additional_edits = snap
.analysis
.resolve_completion_edits(
&snap.config.completion,
FilePosition { file_id, offset },
&resolve_data.full_import_path,
&resolve_data.imported_name,
)?
.into_iter()
.flat_map(|edit| {
edit.into_iter().map(|indel| to_proto::text_edit(&line_index, line_endings, indel))
})
.collect_vec();
if let Some(original_additional_edits) = original_completion.additional_text_edits.as_mut() {
original_additional_edits.extend(additional_edits.drain(..))
} else {
original_completion.additional_text_edits = Some(additional_edits);
}
Ok(original_completion)
}
@ -1606,27 +1609,30 @@ fn should_skip_target(runnable: &Runnable, cargo_spec: Option<&CargoTargetSpec>)
#[derive(Debug, Serialize, Deserialize)]
struct CompletionResolveData {
document_url: Url,
import_id: usize,
position: lsp_types::TextDocumentPositionParams,
full_import_path: String,
imported_name: String,
}
fn append_import_edits(
completion: &mut lsp_types::CompletionItem,
import_to_add: &ImportEdit,
line_index: &LineIndex,
line_endings: LineEndings,
) {
let import_edits = import_to_add.to_text_edit().map(|import_edit| {
import_edit
.into_iter()
.map(|indel| to_proto::text_edit(line_index, line_endings, indel))
.collect_vec()
});
if let Some(original_additional_edits) = completion.additional_text_edits.as_mut() {
if let Some(mut new_edits) = import_edits {
original_additional_edits.extend(new_edits.drain(..))
}
} else {
completion.additional_text_edits = import_edits;
fn fill_resolve_data(
resolve_data: &mut Option<serde_json::Value>,
item: &ide::CompletionItem,
completion_config: &CompletionConfig,
position: &TextDocumentPositionParams,
) -> Option<()> {
if completion_config.resolve_additional_edits_lazily() {
let import_edit = item.import_to_add()?;
let full_import_path = import_edit.import_path.to_string();
let imported_name = import_edit.import_path.segments.clone().pop()?.to_string();
*resolve_data = Some(
serde_json::to_value(CompletionResolveData {
position: position.to_owned(),
full_import_path,
imported_name,
})
.expect("Failed to serialize a regular struct with derives"),
)
}
Some(())
}