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[hover] Better heuristics to insert function name right before the paren pair enclosing parameters (#178)

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This commit is contained in:
Fangrui Song 2017-12-23 09:29:13 -08:00 committed by GitHub
parent fb491e6c6d
commit 156d4891c3
1 changed files with 18 additions and 11 deletions
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27
src/indexer.cc
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@ -1203,16 +1203,23 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
ns->QualifiedName(decl->semanticContainer, func->def.short_name);
std::string type_desc = decl_cursor.get_type_description();
{
size_t offset = 0;
if (type_desc.back() == ')') {
size_t balance = 0;
for (offset = type_desc.size(); offset;) {
offset--;
if (type_desc[offset] == ')')
balance++;
else if (type_desc[offset] == '(' && --balance == 0)
break;
}
size_t balance = 0, offset;
for (offset = type_desc.size(); offset;) {
offset--;
if (type_desc[offset] == ')')
balance++;
// Balanced paren pair that may appear before the paren enclosing
// function parameters, see clang/lib/AST/TypePrinter.cpp
else if (type_desc[offset] == '(' && --balance == 0 &&
!((offset >= 5 &&
!type_desc.compare(offset - 5, 5, "throw")) ||
(offset >= 6 &&
!type_desc.compare(offset - 6, 6, "typeof")) ||
(offset >= 8 &&
!type_desc.compare(offset - 8, 8, "decltype")) ||
(offset >= 13 &&
!type_desc.compare(offset - 13, 13, "__attribute__"))))
break;
}
if (offset > 0) {
type_desc.insert(offset, qualified_name);