ccls/index_tests/usage/var_usage_extern.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

58 lines
1.1 KiB
C++

extern int a;
void foo() {
a = 5;
}
/*
OUTPUT:
{
"includes": [],
"skipped_ranges": [],
"usr2func": [{
"usr": 4259594751088586730,
"detailed_name": "void foo()",
"qual_name_offset": 5,
"short_name": "foo",
"spell": "3:6-3:9|3:1-5:2|2|-1",
"bases": [],
"vars": [],
"callees": [],
"kind": 12,
"parent_kind": 1,
"storage": 0,
"declarations": [],
"derived": [],
"uses": []
}],
"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": [16721564935990383768],
"uses": []
}],
"usr2var": [{
"usr": 16721564935990383768,
"detailed_name": "extern int a",
"qual_name_offset": 11,
"short_name": "a",
"type": 452,
"kind": 13,
"parent_kind": 0,
"storage": 1,
"declarations": ["1:12-1:13|1:1-1:13|1|-1"],
"uses": ["4:3-4:4|20|-1"]
}]
}
*/