diff options
| author | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2020-02-29 20:10:08 +0300 |
|---|---|---|
| committer | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2020-02-29 20:47:10 +0300 |
| commit | e94d3b70cb495df83230cff9ef5bb00f235883e4 (patch) | |
| tree | 8e00decea40c5a6ad9dbb7fe0809c79357361adf /src/libsyntax/node_id.rs | |
| parent | e9bca510fe17354f876aa289bb39d347d7c69c69 (diff) | |
Move directory `libsyntax` -> `librustc_ast`
Diffstat (limited to 'src/libsyntax/node_id.rs')
| -rw-r--r-- | src/libsyntax/node_id.rs | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/src/libsyntax/node_id.rs b/src/libsyntax/node_id.rs deleted file mode 100644 index 58d2334a7b1..00000000000 --- a/src/libsyntax/node_id.rs +++ /dev/null @@ -1,48 +0,0 @@ -use rustc_serialize::{Decoder, Encoder}; -use rustc_span::ExpnId; -use std::fmt; - -rustc_index::newtype_index! { - pub struct NodeId { - ENCODABLE = custom - DEBUG_FORMAT = "NodeId({})" - } -} - -rustc_data_structures::define_id_collections!(NodeMap, NodeSet, NodeId); - -/// `NodeId` used to represent the root of the crate. -pub const CRATE_NODE_ID: NodeId = NodeId::from_u32_const(0); - -/// When parsing and doing expansions, we initially give all AST nodes this AST -/// node value. Then later, in the renumber pass, we renumber them to have -/// small, positive ids. -pub const DUMMY_NODE_ID: NodeId = NodeId::MAX; - -impl NodeId { - pub fn placeholder_from_expn_id(expn_id: ExpnId) -> Self { - NodeId::from_u32(expn_id.as_u32()) - } - - pub fn placeholder_to_expn_id(self) -> ExpnId { - ExpnId::from_u32(self.as_u32()) - } -} - -impl fmt::Display for NodeId { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::Display::fmt(&self.as_u32(), f) - } -} - -impl rustc_serialize::UseSpecializedEncodable for NodeId { - fn default_encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error> { - s.emit_u32(self.as_u32()) - } -} - -impl rustc_serialize::UseSpecializedDecodable for NodeId { - fn default_decode<D: Decoder>(d: &mut D) -> Result<NodeId, D::Error> { - d.read_u32().map(NodeId::from_u32) - } -} |
