diff options
| author | Michael Woerister <michaelwoerister@posteo.net> | 2017-05-09 12:46:43 +0200 |
|---|---|---|
| committer | Michael Woerister <michaelwoerister@posteo.net> | 2017-05-09 12:46:43 +0200 |
| commit | 115602b1beed92998998ec45460f917b6281980a (patch) | |
| tree | 3d7f5532c4b570c7ac5fc359b2c37a624338315c /src | |
| parent | 6a5e2a5a9eee3a504d89c014d80fd8f301226c27 (diff) | |
Add INVALID_CRATE CrateNum constant.
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc/hir/def_id.rs | 5 | ||||
| -rw-r--r-- | src/libsyntax_pos/lib.rs | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/src/librustc/hir/def_id.rs b/src/librustc/hir/def_id.rs index a6b18ac10a7..47604b961ae 100644 --- a/src/librustc/hir/def_id.rs +++ b/src/librustc/hir/def_id.rs @@ -36,7 +36,10 @@ pub const LOCAL_CRATE: CrateNum = CrateNum(0); /// Virtual crate for builtin macros // FIXME(jseyfried): this is also used for custom derives until proc-macro crates get `CrateNum`s. -pub const BUILTIN_MACROS_CRATE: CrateNum = CrateNum(!0); +pub const BUILTIN_MACROS_CRATE: CrateNum = CrateNum(u32::MAX); + +/// A CrateNum value that indicates that something is wrong. +pub const INVALID_CRATE: CrateNum = CrateNum(u32::MAX - 1); impl CrateNum { pub fn new(x: usize) -> CrateNum { diff --git a/src/libsyntax_pos/lib.rs b/src/libsyntax_pos/lib.rs index ec56098aa97..eb86a8e1379 100644 --- a/src/libsyntax_pos/lib.rs +++ b/src/libsyntax_pos/lib.rs @@ -494,7 +494,9 @@ impl Decodable for FileMap { name: name, name_was_remapped: name_was_remapped, // `crate_of_origin` has to be set by the importer. - crate_of_origin: 0xEFFF_FFFF, + // This value matches up with rustc::hir::def_id::INVALID_CRATE. + // That constant is not available here unfortunately :( + crate_of_origin: ::std::u32::MAX - 1, start_pos: start_pos, end_pos: end_pos, src: None, |