bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/base-db/src/input.rs')
-rw-r--r--crates/base-db/src/input.rs47
1 files changed, 44 insertions, 3 deletions
diff --git a/crates/base-db/src/input.rs b/crates/base-db/src/input.rs
index 745238167b..8c9393bcc9 100644
--- a/crates/base-db/src/input.rs
+++ b/crates/base-db/src/input.rs
@@ -6,6 +6,7 @@
//! actual IO. See `vfs` and `project_model` in the `rust-analyzer` crate for how
//! actual IO is done and lowered to input.
+use std::error::Error;
use std::hash::BuildHasherDefault;
use std::{fmt, mem, ops};
@@ -20,11 +21,51 @@ use span::Edition;
use triomphe::Arc;
use vfs::{AbsPathBuf, AnchoredPath, FileId, VfsPath, file_set::FileSet};
-use crate::{CrateWorkspaceData, EditionedFileId, RootQueryDb};
+use crate::{CrateWorkspaceData, EditionedFileId, FxIndexSet, RootQueryDb};
-pub type ProcMacroPaths = FxHashMap<CrateBuilderId, Result<(String, AbsPathBuf), String>>;
+pub type ProcMacroPaths =
+ FxHashMap<CrateBuilderId, Result<(String, AbsPathBuf), ProcMacroLoadingError>>;
-type FxIndexSet<T> = indexmap::IndexSet<T, FxBuildHasher>;
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum ProcMacroLoadingError {
+ Disabled,
+ FailedToBuild,
+ MissingDylibPath,
+ NotYetBuilt,
+ NoProcMacros,
+ ProcMacroSrvError(Box<str>),
+}
+impl ProcMacroLoadingError {
+ pub fn is_hard_error(&self) -> bool {
+ match self {
+ ProcMacroLoadingError::Disabled | ProcMacroLoadingError::NotYetBuilt => false,
+ ProcMacroLoadingError::FailedToBuild
+ | ProcMacroLoadingError::MissingDylibPath
+ | ProcMacroLoadingError::NoProcMacros
+ | ProcMacroLoadingError::ProcMacroSrvError(_) => true,
+ }
+ }
+}
+
+impl Error for ProcMacroLoadingError {}
+impl fmt::Display for ProcMacroLoadingError {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ match self {
+ ProcMacroLoadingError::Disabled => write!(f, "proc-macro expansion is disabled"),
+ ProcMacroLoadingError::FailedToBuild => write!(f, "proc-macro failed to build"),
+ ProcMacroLoadingError::MissingDylibPath => {
+ write!(f, "proc-macro crate build data is missing a dylib path")
+ }
+ ProcMacroLoadingError::NotYetBuilt => write!(f, "proc-macro not yet built"),
+ ProcMacroLoadingError::NoProcMacros => {
+ write!(f, "proc macro library has no proc macros")
+ }
+ ProcMacroLoadingError::ProcMacroSrvError(msg) => {
+ write!(f, "proc macro server error: {msg}")
+ }
+ }
+ }
+}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct SourceRootId(pub u32);