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Remove [spell.start, spell.end) -> [spell.start, extent.end) hack

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This commit is contained in:
Fangrui Song 2018-09-16 11:29:48 -07:00
parent 05c4c85bd6
commit 1208a7d6b2
1 changed files with 13 additions and 12 deletions
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25
src/messages/textDocument_definition.cc
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@ -31,7 +31,7 @@ std::vector<Use> GetNonDefDeclarationTargets(DB *db, SymbolRef sym) {
switch (sym.kind) {
case SymbolKind::Var: {
std::vector<Use> ret = GetNonDefDeclarations(db, sym);
// If there is no declaration, jump the its type.
// If there is no declaration, jump to its type.
if (ret.empty()) {
for (auto &def : db->GetVar(sym).def)
if (def.type) {
@ -64,44 +64,45 @@ struct Handler_TextDocumentDefinition
out.id = request->id;
Maybe<Range> range;
SymbolKind kind;
Maybe<Use> on_def;
WorkingFile *wfile = working_files->GetFileByFilename(file->def->path);
lsPosition &ls_pos = params.position;
for (SymbolRef sym : FindSymbolsAtLocation(wfile, file, ls_pos)) {
if (!range)
if (!range) {
range = sym.range;
else if (!(*range == sym.range))
kind = sym.kind;
} else if (!(sym.range == *range && sym.kind == kind)) {
break;
}
// Found symbol. Return definition.
// Special cases which are handled:
// - symbol has declaration but no definition (ie, pure virtual)
// - start at spelling but end at extent for better mouse tooltip
// - goto declaration while in definition of recursive type
std::vector<Use> uses;
EachEntityDef(db, sym, [&](const auto &def) {
if (def.spell && def.extent) {
if (def.spell) {
Use spell = *def.spell;
// If on a definition, clear |uses| to find declarations below.
if (spell.file_id == file_id &&
spell.range.Contains(ls_pos.line, ls_pos.character)) {
on_def = spell;
uses.clear();
return false;
}
// We use spelling start and extent end because this causes vscode
// to highlight the entire definition when previewing / hoving with
// the mouse.
spell.range.end = def.extent->range.end;
uses.push_back(spell);
}
return true;
});
// |uses| is empty if on a declaration/definition, otherwise it includes
// all declarations/definitions.
if (uses.empty()) {
// The symbol has no definition or the cursor is on a definition.
uses = GetNonDefDeclarationTargets(db, sym);
for (Use use : GetNonDefDeclarationTargets(db, sym))
if (!(use.file_id == file_id &&
use.range.Contains(ls_pos.line, ls_pos.character)))
uses.push_back(use);
// There is no declaration but the cursor is on a definition.
if (uses.empty() && on_def)
uses.push_back(*on_def);