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author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2020-05-02 11:30:49 +0100 |
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committer | GitHub <[email protected]> | 2020-05-02 11:30:49 +0100 |
commit | fb8fb65131c8d3e6335efd401e4e83287be49357 (patch) | |
tree | 9b82278d8f204a012a1e115f92b252c7c6150e15 /crates/ra_hir_def/src/path/lower.rs | |
parent | 75bc0249463b72971200e482d69dad88d4e76ae3 (diff) | |
parent | edf0b4c1528407d5077220191e601ac41f790b99 (diff) |
Merge #4234
4234: Support local_inner_macros r=jonas-schievink a=edwin0cheng
This PR implements `#[macro_export(local_inner_macros)]` support.
Note that the rustc implementation is quite [hacky][1] too. :)
[1]: https://github.com/rust-lang/rust/blob/614f273e9388ddd7804d5cbc80b8865068a3744e/src/librustc_resolve/macros.rs#L456
Co-authored-by: Edwin Cheng <[email protected]>
Diffstat (limited to 'crates/ra_hir_def/src/path/lower.rs')
-rw-r--r-- | crates/ra_hir_def/src/path/lower.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/crates/ra_hir_def/src/path/lower.rs b/crates/ra_hir_def/src/path/lower.rs index e3d237a0a..6a0c019fd 100644 --- a/crates/ra_hir_def/src/path/lower.rs +++ b/crates/ra_hir_def/src/path/lower.rs | |||
@@ -116,6 +116,21 @@ pub(super) fn lower_path(mut path: ast::Path, hygiene: &Hygiene) -> Option<Path> | |||
116 | } | 116 | } |
117 | segments.reverse(); | 117 | segments.reverse(); |
118 | generic_args.reverse(); | 118 | generic_args.reverse(); |
119 | |||
120 | // handle local_inner_macros : | ||
121 | // Basically, even in rustc it is quite hacky: | ||
122 | // https://github.com/rust-lang/rust/blob/614f273e9388ddd7804d5cbc80b8865068a3744e/src/librustc_resolve/macros.rs#L456 | ||
123 | // We follow what it did anyway :) | ||
124 | if segments.len() == 1 && kind == PathKind::Plain { | ||
125 | if let Some(macro_call) = path.syntax().parent().and_then(ast::MacroCall::cast) { | ||
126 | if macro_call.is_bang() { | ||
127 | if let Some(crate_id) = hygiene.local_inner_macros() { | ||
128 | kind = PathKind::DollarCrate(crate_id); | ||
129 | } | ||
130 | } | ||
131 | } | ||
132 | } | ||
133 | |||
119 | let mod_path = ModPath { kind, segments }; | 134 | let mod_path = ModPath { kind, segments }; |
120 | return Some(Path { type_anchor, mod_path, generic_args }); | 135 | return Some(Path { type_anchor, mod_path, generic_args }); |
121 | 136 | ||