| 1 | /* TSDL */ |
| 2 | typealias integer { size = 8; align = 8; signed = false; base = hex; } := uint8_t; |
| 3 | typealias integer { size = 32; align = 8; signed = false; base = hex; } := uint32_t; |
| 4 | |
| 5 | trace { |
| 6 | major = 1; |
| 7 | minor = 2; |
| 8 | byte_order = le; |
| 9 | uuid = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"; |
| 10 | packet.header := struct { |
| 11 | uint32_t magic; |
| 12 | }; |
| 13 | }; |
| 14 | |
| 15 | variant var { |
| 16 | uint8_t small; |
| 17 | uint32_t big; |
| 18 | }; |
| 19 | |
| 20 | enum select : uint8_t { small = 0, big = 1 }; |
| 21 | |
| 22 | stream { |
| 23 | event.header := struct { |
| 24 | enum select a; |
| 25 | }; |
| 26 | }; |
| 27 | |
| 28 | event { |
| 29 | name = event1; |
| 30 | fields := struct { |
| 31 | /* |
| 32 | * TODO: Only an identifier is expected in the variant/sequence |
| 33 | * tag. It should be a dotted expression (a path). |
| 34 | * |
| 35 | */ |
| 36 | variant var <stream.event.header.a> b; |
| 37 | |
| 38 | /* |
| 39 | * TODO |
| 40 | * The path lookup only allows lookup for a full path starting |
| 41 | * from the root or for a field within the current scope. The |
| 42 | * CTF spec allows defining a relative sub-scope for a preceding |
| 43 | * field. |
| 44 | */ |
| 45 | struct { |
| 46 | enum select sel2; |
| 47 | } str2; |
| 48 | variant var2 <str2.sel2> b; |
| 49 | |
| 50 | /* |
| 51 | * TODO: Deal with path name lookup conflict, e.g. if a field is |
| 52 | * named "stream", it conflicts with the stream dynamic scope. |
| 53 | * Local fields hide dynamic scopes. |
| 54 | */ |
| 55 | struct { |
| 56 | enum select sel3 |
| 57 | } stream; |
| 58 | variant var3 <stream.sel3> c; |
| 59 | /* But now the following lookup should fail: */ |
| 60 | /* variant var4 <stream.event.header.a> d; */ |
| 61 | |
| 62 | /* |
| 63 | * TODO: support conflict-free local-scoped tags, starting with |
| 64 | * ".". |
| 65 | */ |
| 66 | variant var5 <.stream.sel3> e; |
| 67 | }; |
| 68 | }; |