class Foo { public: int x; int y; }; void accept(int); void accept(int*); void foo() { Foo f; f.x = 3; f.x += 5; accept(f.x); accept(f.x + 20); accept(&f.x); accept(f.y); } /* OUTPUT: { "types": [{ "id": 0, "usr": "c:@S@Foo", "short_name": "Foo", "qualified_name": "Foo", "definition": "1:1:7", "vars": [0, 1], "uses": ["*1:1:7", "*1:11:3"] }], "functions": [{ "id": 0, "usr": "c:@F@accept#I#", "short_name": "accept", "qualified_name": "accept", "declarations": ["1:7:6"], "callers": ["2@1:14:3", "2@1:15:3", "2@1:17:3"], "uses": ["1:7:6", "1:14:3", "1:15:3", "1:17:3"] }, { "id": 1, "usr": "c:@F@accept#*I#", "short_name": "accept", "qualified_name": "accept", "declarations": ["1:8:6"], "callers": ["2@1:16:3"], "uses": ["1:8:6", "1:16:3"] }, { "id": 2, "usr": "c:@F@foo#", "short_name": "foo", "qualified_name": "foo", "definition": "1:10:6", "callees": ["0@1:14:3", "0@1:15:3", "1@1:16:3", "0@1:17:3"], "uses": ["1:10:6"] }], "variables": [{ "id": 0, "usr": "c:@S@Foo@FI@x", "short_name": "x", "qualified_name": "Foo::x", "definition": "1:3:7", "declaring_type": 0, "uses": ["1:3:7", "1:12:5", "1:13:5", "1:14:12", "1:15:12", "1:16:13"] }, { "id": 1, "usr": "c:@S@Foo@FI@y", "short_name": "y", "qualified_name": "Foo::y", "definition": "1:4:7", "declaring_type": 0, "uses": ["1:4:7", "1:17:12"] }, { "id": 2, "usr": "c:var_usage_class_member.cc@105@F@foo#@f", "short_name": "f", "qualified_name": "f", "definition": "1:11:7", "variable_type": 0, "uses": ["1:11:7", "1:12:3", "1:13:3", "1:14:10", "1:15:10", "1:16:11", "1:17:10"] }] } */