ccls/index_tests/templates/implicit_variable_instantiation.cc
Fangrui Song 2b6d3753f7 index_tests: Test 22.0.0git
Build llvm-project
```
ninja -C out/stable clang clangFormat clangIndex clangTooling
```

Then build ccls against the just-built llvm-project.
```
cmake -S. -Bout/debug -G Ninja -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_COMPILER=$HOME/Stable/bin/clang++ -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DCMAKE_PREFIX_PATH="$HOME/llvm/out/stable;$HOME/llvm/out/stable/tools/clang" -DCLANG_EXECUTABLE=$HOME/Stable/bin/clang++
```

Finally, run `ccls -test-index`
2025-08-14 23:42:18 -07:00

170 lines
4.2 KiB
C++

namespace ns {
enum VarType {};
template<typename _>
struct Holder {
static constexpr VarType static_var = (VarType)0x0;
};
template<typename _>
const typename VarType Holder<_>::static_var;
int Foo = Holder<int>::static_var;
int Foo2 = Holder<int>::static_var;
}
/*
OUTPUT:
{
"includes": [],
"skipped_ranges": [],
"usr2func": [],
"usr2type": [{
"usr": 452,
"detailed_name": "",
"qual_name_offset": 0,
"short_name": "",
"bases": [],
"funcs": [],
"types": [],
"vars": [],
"alias_of": 0,
"kind": 0,
"parent_kind": 0,
"declarations": [],
"derived": [],
"instances": [12898699035586282159, 9008550860229740818],
"uses": []
}, {
"usr": 1532099849728741556,
"detailed_name": "enum ns::VarType {}",
"qual_name_offset": 5,
"short_name": "VarType",
"spell": "2:8-2:15|2:3-2:18|1026|-1",
"bases": [],
"funcs": [],
"types": [],
"vars": [],
"alias_of": 0,
"kind": 10,
"parent_kind": 3,
"declarations": [],
"derived": [],
"instances": [4731849186641714451, 4731849186641714451],
"uses": ["6:22-6:29|4|-1", "6:44-6:51|4|-1", "10:18-10:25|4|-1"]
}, {
"usr": 2205716167465743256,
"detailed_name": "_",
"qual_name_offset": 0,
"short_name": "",
"bases": [],
"funcs": [],
"types": [],
"vars": [],
"alias_of": 0,
"kind": 26,
"parent_kind": 0,
"declarations": [],
"derived": [],
"instances": [],
"uses": ["10:33-10:34|4|-1"]
}, {
"usr": 2743282246975181395,
"detailed_name": "_",
"qual_name_offset": 0,
"short_name": "",
"bases": [],
"funcs": [],
"types": [],
"vars": [],
"alias_of": 0,
"kind": 26,
"parent_kind": 0,
"declarations": ["4:21-4:22|4:12-4:22|1025|-1"],
"derived": [],
"instances": [],
"uses": []
}, {
"usr": 11072669167287398027,
"detailed_name": "namespace ns {}",
"qual_name_offset": 10,
"short_name": "ns",
"bases": [],
"funcs": [],
"types": [1532099849728741556, 12688716854043726585],
"vars": [{
"L": 12898699035586282159,
"R": -1
}, {
"L": 9008550860229740818,
"R": -1
}],
"alias_of": 0,
"kind": 3,
"parent_kind": 0,
"declarations": ["1:11-1:13|1:1-15:2|1|-1"],
"derived": [],
"instances": [],
"uses": []
}, {
"usr": 12688716854043726585,
"detailed_name": "struct ns::Holder {}",
"qual_name_offset": 7,
"short_name": "Holder",
"spell": "5:10-5:16|5:3-7:4|1026|-1",
"bases": [],
"funcs": [],
"types": [2743282246975181395],
"vars": [],
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"kind": 23,
"parent_kind": 3,
"declarations": [],
"derived": [],
"instances": [],
"uses": ["10:26-10:32|4|-1", "13:13-13:19|4|-1", "14:14-14:20|4|-1"]
}],
"usr2var": [{
"usr": 4731849186641714451,
"detailed_name": "static constexpr VarType ns::Holder::static_var",
"qual_name_offset": 25,
"short_name": "static_var",
"hover": "static constexpr VarType ns::Holder::static_var = (VarType)0x0",
"spell": "6:30-6:40|6:5-6:55|1026|-1",
"type": 1532099849728741556,
"kind": 8,
"parent_kind": 23,
"storage": 2,
"declarations": ["10:37-10:47|9:3-10:47|1025|-1"],
"uses": ["13:26-13:36|12|-1", "14:27-14:37|12|-1"]
}, {
"usr": 9008550860229740818,
"detailed_name": "int ns::Foo2",
"qual_name_offset": 4,
"short_name": "Foo2",
"hover": "int ns::Foo2 = Holder<int>::static_var",
"spell": "14:7-14:11|14:3-14:37|1026|-1",
"type": 452,
"kind": 13,
"parent_kind": 3,
"storage": 0,
"declarations": [],
"uses": []
}, {
"usr": 12898699035586282159,
"detailed_name": "int ns::Foo",
"qual_name_offset": 4,
"short_name": "Foo",
"hover": "int ns::Foo = Holder<int>::static_var",
"spell": "13:7-13:10|13:3-13:36|1026|-1",
"type": 452,
"kind": 13,
"parent_kind": 3,
"storage": 0,
"declarations": [],
"uses": []
}]
}
*/