Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/load-cargo/src/lib.rs')
| -rw-r--r-- | crates/load-cargo/src/lib.rs | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/crates/load-cargo/src/lib.rs b/crates/load-cargo/src/lib.rs index 654ff4f75b..b8ce3a8da4 100644 --- a/crates/load-cargo/src/lib.rs +++ b/crates/load-cargo/src/lib.rs @@ -26,7 +26,7 @@ use ide_db::{ use itertools::Itertools; use proc_macro_api::{ MacroDylib, ProcMacroClient, - bidirectional_protocol::msg::{SubRequest, SubResponse}, + bidirectional_protocol::msg::{ParentSpan, SubRequest, SubResponse}, }; use project_model::{CargoConfig, PackageRoot, ProjectManifest, ProjectWorkspace}; use span::{Span, SpanAnchor, SyntaxContext}; @@ -659,6 +659,44 @@ impl ProcMacroExpander for Expander { ctx: current_span.ctx.into_u32(), }) } + SubRequest::SpanParent { file_id, ast_id, start, end, ctx } => { + let span = Span { + range: TextRange::new(TextSize::from(start), TextSize::from(end)), + anchor: SpanAnchor { + file_id: span::EditionedFileId::from_raw(file_id), + ast_id: span::ErasedFileAstId::from_raw(ast_id), + }, + // SAFETY: We only receive spans from the server. If someone mess up the communication UB can happen, + // but that will be their problem. + ctx: unsafe { SyntaxContext::from_u32(ctx) }, + }; + + if let Some(macro_call_id) = span.ctx.outer_expn(db) { + let macro_call_loc = db.lookup_intern_macro_call(macro_call_id.into()); + + let call_site_file = macro_call_loc.kind.file_id(); + let call_site_ast_id = macro_call_loc.kind.erased_ast_id(); + + if let Some(editioned_file_id) = call_site_file.file_id() { + let range = db + .ast_id_map(editioned_file_id.into()) + .get_erased(call_site_ast_id) + .text_range(); + + let parent_span = Some(ParentSpan { + file_id: editioned_file_id.editioned_file_id(db).as_u32(), + ast_id: span::ROOT_ERASED_FILE_AST_ID.into_raw(), + start: u32::from(range.start()), + end: u32::from(range.end()), + ctx: macro_call_loc.ctxt.into_u32(), + }); + + return Ok(SubResponse::SpanParentResult { parent_span }); + } + } + + Ok(SubResponse::SpanParentResult { parent_span: None }) + } }; match self.0.expand( subtree.view(), |