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textDocument/rename: mitigate edits in the same place and edits in macro replacement

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Mitigate edits in the same place (#294) and:

// textDocument/rename on `f`
void f();
void g() { m(); } // incorrectly rewrote m() before
This commit is contained in:
Fangrui Song 2019-03-01 18:35:13 -08:00
parent 4047db2669
commit beff1f6e89
3 changed files with 41 additions and 30 deletions
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2
src/messages/textDocument_completion.cc
View File

@ -514,7 +514,7 @@ void MessageHandler::textDocument_completion(CompletionParam &param,
}
std::string filter;
Position end_pos = param.position;
Position end_pos;
Position begin_pos =
wf->GetCompletionPosition(param.position, &filter, &end_pos);

67
src/messages/textDocument_rename.cc
View File

@ -4,54 +4,65 @@
#include "message_handler.hh"
#include "query.hh"
#include <clang/Basic/CharInfo.h>
#include <unordered_set>
using namespace clang;
namespace ccls {
namespace {
WorkspaceEdit BuildWorkspaceEdit(DB *db, WorkingFiles *wfiles, SymbolRef sym,
std::string_view old_text,
const std::string &new_text) {
std::unordered_map<int, TextDocumentEdit> path_to_edit;
std::unordered_map<int, std::pair<WorkingFile *, TextDocumentEdit>> path2edit;
std::unordered_map<int, std::unordered_set<Range>> edited;
EachOccurrence(db, sym, true, [&](Use use) {
std::optional<Location> ls_location = GetLsLocation(db, wfiles, use);
if (!ls_location)
int file_id = use.file_id;
QueryFile &file = db->files[file_id];
if (!file.def || !edited[file_id].insert(use.range).second)
return;
std::optional<Location> loc = GetLsLocation(db, wfiles, use);
if (!loc)
return;
int file_id = use.file_id;
if (path_to_edit.find(file_id) == path_to_edit.end()) {
path_to_edit[file_id] = TextDocumentEdit();
QueryFile &file = db->files[file_id];
if (!file.def)
return;
auto [it, inserted] = path2edit.try_emplace(file_id);
auto &edit = it->second.second;
if (inserted) {
const std::string &path = file.def->path;
path_to_edit[file_id].textDocument.uri = DocumentUri::FromPath(path);
WorkingFile *wf = wfiles->GetFile(path);
if (wf)
path_to_edit[file_id].textDocument.version = wf->version;
edit.textDocument.uri = DocumentUri::FromPath(path);
if ((it->second.first = wfiles->GetFile(path)))
edit.textDocument.version = it->second.first->version;
}
TextEdit &edit = path_to_edit[file_id].edits.emplace_back();
edit.range = ls_location->range;
edit.newText = new_text;
// TODO LoadIndexedContent if wf is nullptr.
if (WorkingFile *wf = it->second.first) {
int start = GetOffsetForPosition(loc->range.start, wf->buffer_content),
end = GetOffsetForPosition(loc->range.end, wf->buffer_content);
if (wf->buffer_content.compare(start, end - start, old_text))
return;
}
edit.edits.push_back({loc->range, new_text});
});
WorkspaceEdit edit;
for (const auto &changes : path_to_edit)
edit.documentChanges.push_back(changes.second);
return edit;
WorkspaceEdit ret;
for (auto &x : path2edit)
ret.documentChanges.push_back(std::move(x.second.second));
return ret;
}
} // namespace
void MessageHandler::textDocument_rename(RenameParam &param, ReplyOnce &reply) {
auto [file, wf] = FindOrFail(param.textDocument.uri.GetPath(), reply);
if (!wf) {
if (!wf)
return;
}
WorkspaceEdit result;
for (SymbolRef sym : FindSymbolsAtLocation(wf, file, param.position)) {
result = BuildWorkspaceEdit(db, wfiles, sym, param.newName);
result = BuildWorkspaceEdit(
db, wfiles, sym,
LexIdentifierAroundPos(param.position, wf->buffer_content),
param.newName);
break;
}

2
src/messages/textDocument_signatureHelp.cc
View File

@ -147,7 +147,7 @@ void MessageHandler::textDocument_signatureHelp(
}
{
std::string filter;
Position end_pos = param.position;
Position end_pos;
begin_pos = wf->GetCompletionPosition(param.position, &filter, &end_pos);
}