Unnamed repository; edit this file 'description' to name the repository.
Add literal/ident conversion, tests pass
Amos Wenger 2022-07-21
parent 191db9f · commit d25b610
-rw-r--r--Cargo.lock5
-rw-r--r--crates/proc-macro-srv/Cargo.toml1
-rw-r--r--crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs63
-rw-r--r--crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/symbol.rs22
-rw-r--r--crates/proc-macro-srv/src/abis/mod.rs16
5 files changed, 71 insertions, 36 deletions
diff --git a/Cargo.lock b/Cargo.lock
index a960012c8c..5d313b9308 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1022,9 +1022,9 @@ dependencies = [
[[package]]
name = "once_cell"
-version = "1.12.0"
+version = "1.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
[[package]]
name = "oorandom"
@@ -1167,6 +1167,7 @@ dependencies = [
"mbe",
"memmap2",
"object 0.29.0",
+ "once_cell",
"paths",
"proc-macro-api",
"proc-macro-test",
diff --git a/crates/proc-macro-srv/Cargo.toml b/crates/proc-macro-srv/Cargo.toml
index e39026ac70..06348afded 100644
--- a/crates/proc-macro-srv/Cargo.toml
+++ b/crates/proc-macro-srv/Cargo.toml
@@ -24,6 +24,7 @@ tt = { path = "../tt", version = "0.0.0" }
mbe = { path = "../mbe", version = "0.0.0" }
paths = { path = "../paths", version = "0.0.0" }
proc-macro-api = { path = "../proc-macro-api", version = "0.0.0" }
+once_cell = "1.13.0"
[dev-dependencies]
expect-test = "1.4.0"
diff --git a/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs b/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs
index 2676687830..55649ab810 100644
--- a/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs
+++ b/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs
@@ -115,20 +115,29 @@ impl server::TokenStream for RustAnalyzer {
Self::TokenStream::from_iter(vec![tree])
}
- bridge::TokenTree::Ident(_symbol) => {
- todo!("convert Ident bridge=>TokenStream");
- // let IdentData(ident) = self.ident_interner.get(index).clone();
- // let ident: tt::Ident = ident;
- // let leaf = tt::Leaf::from(ident);
- // let tree = TokenTree::from(leaf);
- // Self::TokenStream::from_iter(vec![tree])
+ bridge::TokenTree::Ident(ident) => {
+ // FIXME: handle raw idents
+ let text = SYMBOL_INTERNER.lock().unwrap().get(&ident.sym).clone();
+ let ident: tt::Ident = tt::Ident { text, id: ident.span };
+ let leaf = tt::Leaf::from(ident);
+ let tree = TokenTree::from(leaf);
+ Self::TokenStream::from_iter(vec![tree])
}
- bridge::TokenTree::Literal(_literal) => {
- todo!("convert Literal bridge=>TokenStream");
- // let leaf = tt::Leaf::from(literal);
- // let tree = TokenTree::from(leaf);
- // Self::TokenStream::from_iter(vec![tree])
+ bridge::TokenTree::Literal(literal) => {
+ let symbol = SYMBOL_INTERNER.lock().unwrap().get(&literal.symbol).clone();
+
+ let text: tt::SmolStr = if let Some(suffix) = literal.suffix {
+ let suffix = SYMBOL_INTERNER.lock().unwrap().get(&suffix).clone();
+ format!("{symbol}{suffix}").into()
+ } else {
+ symbol
+ };
+
+ let literal = tt::Literal { text, id: literal.span };
+ let leaf = tt::Leaf::from(literal);
+ let tree = TokenTree::from(leaf);
+ Self::TokenStream::from_iter(vec![tree])
}
bridge::TokenTree::Punct(p) => {
@@ -185,13 +194,23 @@ impl server::TokenStream for RustAnalyzer {
stream
.into_iter()
.map(|tree| match tree {
- tt::TokenTree::Leaf(tt::Leaf::Ident(_ident)) => {
- todo!("convert Ident tt=>bridge");
- // bridge::TokenTree::Ident(Symbol(self.ident_interner.intern(&IdentData(ident))))
+ tt::TokenTree::Leaf(tt::Leaf::Ident(ident)) => {
+ bridge::TokenTree::Ident(bridge::Ident {
+ sym: SYMBOL_INTERNER.lock().unwrap().intern(&ident.text),
+ // FIXME: handle raw idents
+ is_raw: false,
+ span: ident.id,
+ })
}
- tt::TokenTree::Leaf(tt::Leaf::Literal(_lit)) => {
- todo!("convert Literal tt=>bridge");
- // bridge::TokenTree::Literal(lit)
+ tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => {
+ bridge::TokenTree::Literal(bridge::Literal {
+ // FIXME: handle literal kinds
+ kind: bridge::LitKind::Err,
+ symbol: SYMBOL_INTERNER.lock().unwrap().intern(&lit.text),
+ // FIXME: handle suffixes
+ suffix: None,
+ span: lit.id,
+ })
}
tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) => {
bridge::TokenTree::Punct(bridge::Punct {
@@ -379,12 +398,12 @@ impl server::Server for RustAnalyzer {
}
}
- fn intern_symbol(_ident: &str) -> Self::Symbol {
- todo!("intern_symbol")
+ fn intern_symbol(ident: &str) -> Self::Symbol {
+ SYMBOL_INTERNER.lock().unwrap().intern(&tt::SmolStr::from(ident))
}
- fn with_symbol_string(_symbol: &Self::Symbol, _f: impl FnOnce(&str)) {
- todo!("with_symbol_string")
+ fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str)) {
+ f(SYMBOL_INTERNER.lock().unwrap().get(symbol).as_str())
}
}
diff --git a/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/symbol.rs b/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/symbol.rs
index b045f762b8..5bfc62a301 100644
--- a/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/symbol.rs
+++ b/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/symbol.rs
@@ -1,18 +1,21 @@
-use std::collections::HashMap;
+use once_cell::sync::Lazy;
+use std::{collections::HashMap, sync::Mutex};
use tt::SmolStr;
-// Identifier for an interned symbol.
+pub(super) static SYMBOL_INTERNER: Lazy<Mutex<SymbolInterner>> = Lazy::new(|| Default::default());
+
+// ID for an interned symbol.
#[derive(Hash, Eq, PartialEq, Copy, Clone)]
pub struct Symbol(u32);
#[derive(Default)]
-struct IdentInterner {
+pub(super) struct SymbolInterner {
idents: HashMap<SmolStr, u32>,
ident_data: Vec<SmolStr>,
}
-impl IdentInterner {
- fn intern(&mut self, data: &str) -> Symbol {
+impl SymbolInterner {
+ pub(super) fn intern(&mut self, data: &str) -> Symbol {
if let Some(index) = self.idents.get(data) {
return Symbol(*index);
}
@@ -24,12 +27,7 @@ impl IdentInterner {
Symbol(index)
}
- fn get(&self, index: u32) -> &SmolStr {
- &self.ident_data[index as usize]
- }
-
- #[allow(unused)]
- fn get_mut(&mut self, index: u32) -> &mut SmolStr {
- self.ident_data.get_mut(index as usize).expect("Should be consistent")
+ pub(super) fn get(&self, index: &Symbol) -> &SmolStr {
+ &self.ident_data[index.0 as usize]
}
}
diff --git a/crates/proc-macro-srv/src/abis/mod.rs b/crates/proc-macro-srv/src/abis/mod.rs
index 62479b7ccd..f1083a9284 100644
--- a/crates/proc-macro-srv/src/abis/mod.rs
+++ b/crates/proc-macro-srv/src/abis/mod.rs
@@ -37,6 +37,8 @@ use super::dylib::LoadProcMacroDylibError;
pub(crate) use abi_1_58::Abi as Abi_1_58;
pub(crate) use abi_1_63::Abi as Abi_1_63;
pub(crate) use abi_1_64::Abi as Abi_1_64;
+#[cfg(feature = "sysroot-abi")]
+pub(crate) use abi_sysroot::Abi as Abi_Sysroot;
use libloading::Library;
use proc_macro_api::{ProcMacroKind, RustCInfo};
@@ -54,6 +56,8 @@ pub(crate) enum Abi {
Abi1_58(Abi_1_58),
Abi1_63(Abi_1_63),
Abi1_64(Abi_1_64),
+ #[cfg(feature = "sysroot-abi")]
+ AbiSysroot(Abi_Sysroot),
}
impl Abi {
@@ -71,6 +75,14 @@ impl Abi {
symbol_name: String,
info: RustCInfo,
) -> Result<Abi, LoadProcMacroDylibError> {
+ // Gated behind an env var for now to avoid a change in behavior for
+ // rustup-installed rust-analyzer
+ #[cfg(feature = "sysroot-abi")]
+ if std::env::var("PROC_MACRO_SRV_SYSROOT_ABI").is_ok() {
+ let inner = unsafe { Abi_Sysroot::from_lib(lib, symbol_name) }?;
+ return Ok(Abi::AbiSysroot(inner));
+ }
+
// FIXME: this should use exclusive ranges when they're stable
// https://github.com/rust-lang/rust/issues/37854
match (info.version.0, info.version.1) {
@@ -100,6 +112,8 @@ impl Abi {
Self::Abi1_58(abi) => abi.expand(macro_name, macro_body, attributes),
Self::Abi1_63(abi) => abi.expand(macro_name, macro_body, attributes),
Self::Abi1_64(abi) => abi.expand(macro_name, macro_body, attributes),
+ #[cfg(feature = "sysroot-abi")]
+ Self::AbiSysroot(abi) => abi.expand(macro_name, macro_body, attributes),
}
}
@@ -108,6 +122,8 @@ impl Abi {
Self::Abi1_58(abi) => abi.list_macros(),
Self::Abi1_63(abi) => abi.list_macros(),
Self::Abi1_64(abi) => abi.list_macros(),
+ #[cfg(feature = "sysroot-abi")]
+ Self::AbiSysroot(abi) => abi.list_macros(),
}
}
}