diff options
Diffstat (limited to 'src/tools/rust-analyzer/crates/proc-macro-srv/src')
24 files changed, 147 insertions, 4313 deletions
diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/mod.rs deleted file mode 100644 index 1c91ac0fa..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/mod.rs +++ /dev/null @@ -1,104 +0,0 @@ -//! Macro ABI for version 1.58 of rustc - -#[allow(dead_code)] -#[doc(hidden)] -mod proc_macro; - -#[allow(dead_code)] -#[doc(hidden)] -mod ra_server; - -use libloading::Library; -use proc_macro_api::ProcMacroKind; - -use super::PanicMessage; - -pub(crate) struct Abi { - exported_macros: Vec<proc_macro::bridge::client::ProcMacro>, -} - -impl From<proc_macro::bridge::PanicMessage> for PanicMessage { - fn from(p: proc_macro::bridge::PanicMessage) -> Self { - Self { message: p.as_str().map(|s| s.to_string()) } - } -} - -impl Abi { - pub unsafe fn from_lib(lib: &Library, symbol_name: String) -> Result<Abi, libloading::Error> { - let macros: libloading::Symbol<'_, &&[proc_macro::bridge::client::ProcMacro]> = - lib.get(symbol_name.as_bytes())?; - Ok(Self { exported_macros: macros.to_vec() }) - } - - pub fn expand( - &self, - macro_name: &str, - macro_body: &tt::Subtree, - attributes: Option<&tt::Subtree>, - ) -> Result<tt::Subtree, PanicMessage> { - let parsed_body = ra_server::TokenStream::with_subtree(macro_body.clone()); - - let parsed_attributes = attributes.map_or(ra_server::TokenStream::new(), |attr| { - ra_server::TokenStream::with_subtree(attr.clone()) - }); - - for proc_macro in &self.exported_macros { - match proc_macro { - proc_macro::bridge::client::ProcMacro::CustomDerive { - trait_name, client, .. - } if *trait_name == macro_name => { - let res = client.run( - &proc_macro::bridge::server::SameThread, - ra_server::RustAnalyzer::default(), - parsed_body, - true, - ); - return res.map(|it| it.into_subtree()).map_err(PanicMessage::from); - } - proc_macro::bridge::client::ProcMacro::Bang { name, client } - if *name == macro_name => - { - let res = client.run( - &proc_macro::bridge::server::SameThread, - ra_server::RustAnalyzer::default(), - parsed_body, - true, - ); - return res.map(|it| it.into_subtree()).map_err(PanicMessage::from); - } - proc_macro::bridge::client::ProcMacro::Attr { name, client } - if *name == macro_name => - { - let res = client.run( - &proc_macro::bridge::server::SameThread, - ra_server::RustAnalyzer::default(), - parsed_attributes, - parsed_body, - true, - ); - return res.map(|it| it.into_subtree()).map_err(PanicMessage::from); - } - _ => continue, - } - } - - Err(proc_macro::bridge::PanicMessage::String("Nothing to expand".to_string()).into()) - } - - pub fn list_macros(&self) -> Vec<(String, ProcMacroKind)> { - self.exported_macros - .iter() - .map(|proc_macro| match proc_macro { - proc_macro::bridge::client::ProcMacro::CustomDerive { trait_name, .. } => { - (trait_name.to_string(), ProcMacroKind::CustomDerive) - } - proc_macro::bridge::client::ProcMacro::Bang { name, .. } => { - (name.to_string(), ProcMacroKind::FuncLike) - } - proc_macro::bridge::client::ProcMacro::Attr { name, .. } => { - (name.to_string(), ProcMacroKind::Attr) - } - }) - .collect() - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs deleted file mode 100644 index d82669d3e..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs +++ /dev/null @@ -1,143 +0,0 @@ -//! Buffer management for same-process client<->server communication. - -use std::io::{self, Write}; -use std::mem; -use std::ops::{Deref, DerefMut}; -use std::slice; - -#[repr(C)] -pub struct Buffer<T: Copy> { - data: *mut T, - len: usize, - capacity: usize, - reserve: extern "C" fn(Buffer<T>, usize) -> Buffer<T>, - drop: extern "C" fn(Buffer<T>), -} - -unsafe impl<T: Copy + Sync> Sync for Buffer<T> {} -unsafe impl<T: Copy + Send> Send for Buffer<T> {} - -impl<T: Copy> Default for Buffer<T> { - fn default() -> Self { - Self::from(vec![]) - } -} - -impl<T: Copy> Deref for Buffer<T> { - type Target = [T]; - fn deref(&self) -> &[T] { - unsafe { slice::from_raw_parts(self.data as *const T, self.len) } - } -} - -impl<T: Copy> DerefMut for Buffer<T> { - fn deref_mut(&mut self) -> &mut [T] { - unsafe { slice::from_raw_parts_mut(self.data, self.len) } - } -} - -impl<T: Copy> Buffer<T> { - pub(super) fn new() -> Self { - Self::default() - } - - pub(super) fn clear(&mut self) { - self.len = 0; - } - - pub(super) fn take(&mut self) -> Self { - mem::take(self) - } - - // We have the array method separate from extending from a slice. This is - // because in the case of small arrays, codegen can be more efficient - // (avoiding a memmove call). With extend_from_slice, LLVM at least - // currently is not able to make that optimization. - pub(super) fn extend_from_array<const N: usize>(&mut self, xs: &[T; N]) { - if xs.len() > (self.capacity - self.len) { - let b = self.take(); - *self = (b.reserve)(b, xs.len()); - } - unsafe { - xs.as_ptr().copy_to_nonoverlapping(self.data.add(self.len), xs.len()); - self.len += xs.len(); - } - } - - pub(super) fn extend_from_slice(&mut self, xs: &[T]) { - if xs.len() > (self.capacity - self.len) { - let b = self.take(); - *self = (b.reserve)(b, xs.len()); - } - unsafe { - xs.as_ptr().copy_to_nonoverlapping(self.data.add(self.len), xs.len()); - self.len += xs.len(); - } - } - - pub(super) fn push(&mut self, v: T) { - // The code here is taken from Vec::push, and we know that reserve() - // will panic if we're exceeding isize::MAX bytes and so there's no need - // to check for overflow. - if self.len == self.capacity { - let b = self.take(); - *self = (b.reserve)(b, 1); - } - unsafe { - *self.data.add(self.len) = v; - self.len += 1; - } - } -} - -impl Write for Buffer<u8> { - fn write(&mut self, xs: &[u8]) -> io::Result<usize> { - self.extend_from_slice(xs); - Ok(xs.len()) - } - - fn write_all(&mut self, xs: &[u8]) -> io::Result<()> { - self.extend_from_slice(xs); - Ok(()) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -impl<T: Copy> Drop for Buffer<T> { - fn drop(&mut self) { - let b = self.take(); - (b.drop)(b); - } -} - -impl<T: Copy> From<Vec<T>> for Buffer<T> { - fn from(mut v: Vec<T>) -> Self { - let (data, len, capacity) = (v.as_mut_ptr(), v.len(), v.capacity()); - mem::forget(v); - - // This utility function is nested in here because it can *only* - // be safely called on `Buffer`s created by *this* `proc_macro`. - fn to_vec<T: Copy>(b: Buffer<T>) -> Vec<T> { - unsafe { - let Buffer { data, len, capacity, .. } = b; - mem::forget(b); - Vec::from_raw_parts(data, len, capacity) - } - } - - extern "C" fn reserve<T: Copy>(b: Buffer<T>, additional: usize) -> Buffer<T> { - let mut v = to_vec(b); - v.reserve(additional); - Buffer::from(v) - } - - extern "C" fn drop<T: Copy>(b: Buffer<T>) { - mem::drop(to_vec(b)); - } - - Buffer { data, len, capacity, reserve, drop } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/client.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/client.rs deleted file mode 100644 index e78842f5c..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/client.rs +++ /dev/null @@ -1,485 +0,0 @@ -//! Client-side types. - -use super::*; - -macro_rules! define_handles { - ( - 'owned: $($oty:ident,)* - 'interned: $($ity:ident,)* - ) => { - #[repr(C)] - #[allow(non_snake_case)] - pub struct HandleCounters { - $($oty: AtomicUsize,)* - $($ity: AtomicUsize,)* - } - - impl HandleCounters { - // FIXME(eddyb) use a reference to the `static COUNTERS`, instead of - // a wrapper `fn` pointer, once `const fn` can reference `static`s. - extern "C" fn get() -> &'static Self { - static COUNTERS: HandleCounters = HandleCounters { - $($oty: AtomicUsize::new(1),)* - $($ity: AtomicUsize::new(1),)* - }; - &COUNTERS - } - } - - // FIXME(eddyb) generate the definition of `HandleStore` in `server.rs`. - #[repr(C)] - #[allow(non_snake_case)] - pub(super) struct HandleStore<S: server::Types> { - $($oty: handle::OwnedStore<S::$oty>,)* - $($ity: handle::InternedStore<S::$ity>,)* - } - - impl<S: server::Types> HandleStore<S> { - pub(super) fn new(handle_counters: &'static HandleCounters) -> Self { - HandleStore { - $($oty: handle::OwnedStore::new(&handle_counters.$oty),)* - $($ity: handle::InternedStore::new(&handle_counters.$ity),)* - } - } - } - - $( - #[repr(C)] - pub(crate) struct $oty(handle::Handle); - - // Forward `Drop::drop` to the inherent `drop` method. - impl Drop for $oty { - fn drop(&mut self) { - $oty(self.0).drop(); - } - } - - impl<S> Encode<S> for $oty { - fn encode(self, w: &mut Writer, s: &mut S) { - let handle = self.0; - mem::forget(self); - handle.encode(w, s); - } - } - - impl<S: server::Types> DecodeMut<'_, '_, HandleStore<server::MarkedTypes<S>>> - for Marked<S::$oty, $oty> - { - fn decode(r: &mut Reader<'_>, s: &mut HandleStore<server::MarkedTypes<S>>) -> Self { - s.$oty.take(handle::Handle::decode(r, &mut ())) - } - } - - impl<S> Encode<S> for &$oty { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - } - } - - impl<'s, S: server::Types> Decode<'_, 's, HandleStore<server::MarkedTypes<S>>> - for &'s Marked<S::$oty, $oty> - { - fn decode(r: &mut Reader<'_>, s: &'s HandleStore<server::MarkedTypes<S>>) -> Self { - &s.$oty[handle::Handle::decode(r, &mut ())] - } - } - - impl<S> Encode<S> for &mut $oty { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - } - } - - impl<'s, S: server::Types> DecodeMut<'_, 's, HandleStore<server::MarkedTypes<S>>> - for &'s mut Marked<S::$oty, $oty> - { - fn decode( - r: &mut Reader<'_>, - s: &'s mut HandleStore<server::MarkedTypes<S>> - ) -> Self { - &mut s.$oty[handle::Handle::decode(r, &mut ())] - } - } - - impl<S: server::Types> Encode<HandleStore<server::MarkedTypes<S>>> - for Marked<S::$oty, $oty> - { - fn encode(self, w: &mut Writer, s: &mut HandleStore<server::MarkedTypes<S>>) { - s.$oty.alloc(self).encode(w, s); - } - } - - impl<S> DecodeMut<'_, '_, S> for $oty { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - $oty(handle::Handle::decode(r, s)) - } - } - )* - - $( - #[repr(C)] - #[derive(Copy, Clone, PartialEq, Eq, Hash)] - pub(crate) struct $ity(handle::Handle); - - impl<S> Encode<S> for $ity { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - } - } - - impl<S: server::Types> DecodeMut<'_, '_, HandleStore<server::MarkedTypes<S>>> - for Marked<S::$ity, $ity> - { - fn decode(r: &mut Reader<'_>, s: &mut HandleStore<server::MarkedTypes<S>>) -> Self { - s.$ity.copy(handle::Handle::decode(r, &mut ())) - } - } - - impl<S: server::Types> Encode<HandleStore<server::MarkedTypes<S>>> - for Marked<S::$ity, $ity> - { - fn encode(self, w: &mut Writer, s: &mut HandleStore<server::MarkedTypes<S>>) { - s.$ity.alloc(self).encode(w, s); - } - } - - impl<S> DecodeMut<'_, '_, S> for $ity { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - $ity(handle::Handle::decode(r, s)) - } - } - )* - } -} -define_handles! { - 'owned: - FreeFunctions, - TokenStream, - TokenStreamBuilder, - TokenStreamIter, - Group, - Literal, - SourceFile, - MultiSpan, - Diagnostic, - - 'interned: - Punct, - Ident, - Span, -} - -// FIXME(eddyb) generate these impls by pattern-matching on the -// names of methods - also could use the presence of `fn drop` -// to distinguish between 'owned and 'interned, above. -// Alternatively, special 'modes" could be listed of types in with_api -// instead of pattern matching on methods, here and in server decl. - -impl Clone for TokenStream { - fn clone(&self) -> Self { - self.clone() - } -} - -impl Clone for TokenStreamIter { - fn clone(&self) -> Self { - self.clone() - } -} - -impl Clone for Group { - fn clone(&self) -> Self { - self.clone() - } -} - -impl Clone for Literal { - fn clone(&self) -> Self { - self.clone() - } -} - -impl fmt::Debug for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Literal") - // format the kind without quotes, as in `kind: Float` - .field("kind", &format_args!("{}", &self.debug_kind())) - .field("symbol", &self.symbol()) - // format `Some("...")` on one line even in {:#?} mode - .field("suffix", &format_args!("{:?}", &self.suffix())) - .field("span", &self.span()) - .finish() - } -} - -impl Clone for SourceFile { - fn clone(&self) -> Self { - self.clone() - } -} - -impl fmt::Debug for Span { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.debug()) - } -} - -macro_rules! define_client_side { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)*;)* - }),* $(,)?) => { - $(impl $name { - $(pub(crate) fn $method($($arg: $arg_ty),*) $(-> $ret_ty)* { - Bridge::with(|bridge| { - let mut b = bridge.cached_buffer.take(); - - b.clear(); - api_tags::Method::$name(api_tags::$name::$method).encode(&mut b, &mut ()); - reverse_encode!(b; $($arg),*); - - b = bridge.dispatch.call(b); - - let r = Result::<_, PanicMessage>::decode(&mut &b[..], &mut ()); - - bridge.cached_buffer = b; - - r.unwrap_or_else(|e| panic::resume_unwind(e.into())) - }) - })* - })* - } -} -with_api!(self, self, define_client_side); - -enum BridgeState<'a> { - /// No server is currently connected to this client. - NotConnected, - - /// A server is connected and available for requests. - Connected(Bridge<'a>), - - /// Access to the bridge is being exclusively acquired - /// (e.g., during `BridgeState::with`). - InUse, -} - -enum BridgeStateL {} - -impl<'a> scoped_cell::ApplyL<'a> for BridgeStateL { - type Out = BridgeState<'a>; -} - -thread_local! { - static BRIDGE_STATE: scoped_cell::ScopedCell<BridgeStateL> = - scoped_cell::ScopedCell::new(BridgeState::NotConnected); -} - -impl BridgeState<'_> { - /// Take exclusive control of the thread-local - /// `BridgeState`, and pass it to `f`, mutably. - /// The state will be restored after `f` exits, even - /// by panic, including modifications made to it by `f`. - /// - /// N.B., while `f` is running, the thread-local state - /// is `BridgeState::InUse`. - fn with<R>(f: impl FnOnce(&mut BridgeState<'_>) -> R) -> R { - BRIDGE_STATE.with(|state| { - state.replace(BridgeState::InUse, |mut state| { - // FIXME(#52812) pass `f` directly to `replace` when `RefMutL` is gone - f(&mut state) - }) - }) - } -} - -impl Bridge<'_> { - pub(crate) fn is_available() -> bool { - BridgeState::with(|state| match state { - BridgeState::Connected(_) | BridgeState::InUse => true, - BridgeState::NotConnected => false, - }) - } - - fn enter<R>(self, f: impl FnOnce() -> R) -> R { - let force_show_panics = self.force_show_panics; - // Hide the default panic output within `proc_macro` expansions. - // NB. the server can't do this because it may use a different libstd. - static HIDE_PANICS_DURING_EXPANSION: Once = Once::new(); - HIDE_PANICS_DURING_EXPANSION.call_once(|| { - let prev = panic::take_hook(); - panic::set_hook(Box::new(move |info| { - let show = BridgeState::with(|state| match state { - BridgeState::NotConnected => true, - BridgeState::Connected(_) | BridgeState::InUse => force_show_panics, - }); - if show { - prev(info) - } - })); - }); - - BRIDGE_STATE.with(|state| state.set(BridgeState::Connected(self), f)) - } - - fn with<R>(f: impl FnOnce(&mut Bridge<'_>) -> R) -> R { - BridgeState::with(|state| match state { - BridgeState::NotConnected => { - panic!("procedural macro API is used outside of a procedural macro"); - } - BridgeState::InUse => { - panic!("procedural macro API is used while it's already in use"); - } - BridgeState::Connected(bridge) => f(bridge), - }) - } -} - -/// A client-side "global object" (usually a function pointer), -/// which may be using a different `proc_macro` from the one -/// used by the server, but can be interacted with compatibly. -/// -/// N.B., `F` must have FFI-friendly memory layout (e.g., a pointer). -/// The call ABI of function pointers used for `F` doesn't -/// need to match between server and client, since it's only -/// passed between them and (eventually) called by the client. -#[repr(C)] -#[derive(Copy, Clone)] -pub struct Client<F> { - // FIXME(eddyb) use a reference to the `static COUNTERS`, instead of - // a wrapper `fn` pointer, once `const fn` can reference `static`s. - pub(super) get_handle_counters: extern "C" fn() -> &'static HandleCounters, - pub(super) run: extern "C" fn(Bridge<'_>, F) -> Buffer<u8>, - pub(super) f: F, -} - -/// Client-side helper for handling client panics, entering the bridge, -/// deserializing input and serializing output. -// FIXME(eddyb) maybe replace `Bridge::enter` with this? -fn run_client<A: for<'a, 's> DecodeMut<'a, 's, ()>, R: Encode<()>>( - mut bridge: Bridge<'_>, - f: impl FnOnce(A) -> R, -) -> Buffer<u8> { - // The initial `cached_buffer` contains the input. - let mut b = bridge.cached_buffer.take(); - - panic::catch_unwind(panic::AssertUnwindSafe(|| { - bridge.enter(|| { - let reader = &mut &b[..]; - let input = A::decode(reader, &mut ()); - - // Put the `cached_buffer` back in the `Bridge`, for requests. - Bridge::with(|bridge| bridge.cached_buffer = b.take()); - - let output = f(input); - - // Take the `cached_buffer` back out, for the output value. - b = Bridge::with(|bridge| bridge.cached_buffer.take()); - - // HACK(eddyb) Separate encoding a success value (`Ok(output)`) - // from encoding a panic (`Err(e: PanicMessage)`) to avoid - // having handles outside the `bridge.enter(|| ...)` scope, and - // to catch panics that could happen while encoding the success. - // - // Note that panics should be impossible beyond this point, but - // this is defensively trying to avoid any accidental panicking - // reaching the `extern "C"` (which should `abort` but might not - // at the moment, so this is also potentially preventing UB). - b.clear(); - Ok::<_, ()>(output).encode(&mut b, &mut ()); - }) - })) - .map_err(PanicMessage::from) - .unwrap_or_else(|e| { - b.clear(); - Err::<(), _>(e).encode(&mut b, &mut ()); - }); - b -} - -impl Client<fn(super::super::TokenStream) -> super::super::TokenStream> { - pub fn expand1(f: fn(super::super::TokenStream) -> super::super::TokenStream) -> Self { - extern "C" fn run( - bridge: Bridge<'_>, - f: impl FnOnce(super::super::TokenStream) -> super::super::TokenStream, - ) -> Buffer<u8> { - run_client(bridge, |input| f(super::super::TokenStream(input)).0) - } - Client { get_handle_counters: HandleCounters::get, run, f } - } -} - -impl Client<fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream> { - pub fn expand2( - f: fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream, - ) -> Self { - extern "C" fn run( - bridge: Bridge<'_>, - f: impl FnOnce( - super::super::TokenStream, - super::super::TokenStream, - ) -> super::super::TokenStream, - ) -> Buffer<u8> { - run_client(bridge, |(input, input2)| { - f(super::super::TokenStream(input), super::super::TokenStream(input2)).0 - }) - } - Client { get_handle_counters: HandleCounters::get, run, f } - } -} - -#[repr(C)] -#[derive(Copy, Clone)] -pub enum ProcMacro { - CustomDerive { - trait_name: &'static str, - attributes: &'static [&'static str], - client: Client<fn(super::super::TokenStream) -> super::super::TokenStream>, - }, - - Attr { - name: &'static str, - client: Client< - fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream, - >, - }, - - Bang { - name: &'static str, - client: Client<fn(super::super::TokenStream) -> super::super::TokenStream>, - }, -} - -impl ProcMacro { - pub fn name(&self) -> &'static str { - match self { - ProcMacro::CustomDerive { trait_name, .. } => trait_name, - ProcMacro::Attr { name, .. } => name, - ProcMacro::Bang { name, .. } => name, - } - } - - pub fn custom_derive( - trait_name: &'static str, - attributes: &'static [&'static str], - expand: fn(super::super::TokenStream) -> super::super::TokenStream, - ) -> Self { - ProcMacro::CustomDerive { trait_name, attributes, client: Client::expand1(expand) } - } - - pub fn attr( - name: &'static str, - expand: fn( - super::super::TokenStream, - super::super::TokenStream, - ) -> super::super::TokenStream, - ) -> Self { - ProcMacro::Attr { name, client: Client::expand2(expand) } - } - - pub fn bang( - name: &'static str, - expand: fn(super::super::TokenStream) -> super::super::TokenStream, - ) -> Self { - ProcMacro::Bang { name, client: Client::expand1(expand) } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/closure.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/closure.rs deleted file mode 100644 index 5be71cc3d..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/closure.rs +++ /dev/null @@ -1,24 +0,0 @@ -//! Closure type (equivalent to `&mut dyn FnMut(A) -> R`) that's `repr(C)`. - -#[repr(C)] -pub struct Closure<'a, A, R> { - call: unsafe extern "C" fn(&mut Env, A) -> R, - env: &'a mut Env, -} - -struct Env; - -impl<'a, A, R, F: FnMut(A) -> R> From<&'a mut F> for Closure<'a, A, R> { - fn from(f: &'a mut F) -> Self { - unsafe extern "C" fn call<A, R, F: FnMut(A) -> R>(env: &mut Env, arg: A) -> R { - (*(env as *mut _ as *mut F))(arg) - } - Closure { call: call::<A, R, F>, env: unsafe { &mut *(f as *mut _ as *mut Env) } } - } -} - -impl<'a, A, R> Closure<'a, A, R> { - pub fn call(&mut self, arg: A) -> R { - unsafe { (self.call)(self.env, arg) } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/handle.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/handle.rs deleted file mode 100644 index bcbb86812..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/handle.rs +++ /dev/null @@ -1,70 +0,0 @@ -//! Server-side handles and storage for per-handle data. - -use std::collections::{BTreeMap, HashMap}; -use std::hash::Hash; -use std::num::NonZeroU32; -use std::ops::{Index, IndexMut}; -use std::sync::atomic::{AtomicUsize, Ordering}; - -pub(super) type Handle = NonZeroU32; - -pub(super) struct OwnedStore<T: 'static> { - counter: &'static AtomicUsize, - data: BTreeMap<Handle, T>, -} - -impl<T> OwnedStore<T> { - pub(super) fn new(counter: &'static AtomicUsize) -> Self { - // Ensure the handle counter isn't 0, which would panic later, - // when `NonZeroU32::new` (aka `Handle::new`) is called in `alloc`. - assert_ne!(counter.load(Ordering::SeqCst), 0); - - OwnedStore { counter, data: BTreeMap::new() } - } -} - -impl<T> OwnedStore<T> { - pub(super) fn alloc(&mut self, x: T) -> Handle { - let counter = self.counter.fetch_add(1, Ordering::SeqCst); - let handle = Handle::new(counter as u32).expect("`proc_macro` handle counter overflowed"); - assert!(self.data.insert(handle, x).is_none()); - handle - } - - pub(super) fn take(&mut self, h: Handle) -> T { - self.data.remove(&h).expect("use-after-free in `proc_macro` handle") - } -} - -impl<T> Index<Handle> for OwnedStore<T> { - type Output = T; - fn index(&self, h: Handle) -> &T { - self.data.get(&h).expect("use-after-free in `proc_macro` handle") - } -} - -impl<T> IndexMut<Handle> for OwnedStore<T> { - fn index_mut(&mut self, h: Handle) -> &mut T { - self.data.get_mut(&h).expect("use-after-free in `proc_macro` handle") - } -} - -pub(super) struct InternedStore<T: 'static> { - owned: OwnedStore<T>, - interner: HashMap<T, Handle>, -} - -impl<T: Copy + Eq + Hash> InternedStore<T> { - pub(super) fn new(counter: &'static AtomicUsize) -> Self { - InternedStore { owned: OwnedStore::new(counter), interner: HashMap::new() } - } - - pub(super) fn alloc(&mut self, x: T) -> Handle { - let owned = &mut self.owned; - *self.interner.entry(x).or_insert_with(|| owned.alloc(x)) - } - - pub(super) fn copy(&mut self, h: Handle) -> T { - self.owned[h] - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/mod.rs deleted file mode 100644 index b7968c529..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/mod.rs +++ /dev/null @@ -1,429 +0,0 @@ -//! Internal interface for communicating between a `proc_macro` client -//! (a proc macro crate) and a `proc_macro` server (a compiler front-end). -//! -//! Serialization (with C ABI buffers) and unique integer handles are employed -//! to allow safely interfacing between two copies of `proc_macro` built -//! (from the same source) by different compilers with potentially mismatching -//! Rust ABIs (e.g., stage0/bin/rustc vs stage1/bin/rustc during bootstrap). - -#![deny(unsafe_code)] - -pub use super::{Delimiter, Level, LineColumn, Spacing}; -use std::fmt; -use std::hash::Hash; -use std::marker; -use std::mem; -use std::ops::Bound; -use std::panic; -use std::sync::atomic::AtomicUsize; -use std::sync::Once; -use std::thread; - -/// Higher-order macro describing the server RPC API, allowing automatic -/// generation of type-safe Rust APIs, both client-side and server-side. -/// -/// `with_api!(MySelf, my_self, my_macro)` expands to: -/// ```rust,ignore (pseudo-code) -/// my_macro! { -/// // ... -/// Literal { -/// // ... -/// fn character(ch: char) -> MySelf::Literal; -/// // ... -/// fn span(my_self: &MySelf::Literal) -> MySelf::Span; -/// fn set_span(my_self: &mut MySelf::Literal, span: MySelf::Span); -/// }, -/// // ... -/// } -/// ``` -/// -/// The first two arguments serve to customize the arguments names -/// and argument/return types, to enable several different usecases: -/// -/// If `my_self` is just `self`, then each `fn` signature can be used -/// as-is for a method. If it's anything else (`self_` in practice), -/// then the signatures don't have a special `self` argument, and -/// can, therefore, have a different one introduced. -/// -/// If `MySelf` is just `Self`, then the types are only valid inside -/// a trait or a trait impl, where the trait has associated types -/// for each of the API types. If non-associated types are desired, -/// a module name (`self` in practice) can be used instead of `Self`. -macro_rules! with_api { - ($S:ident, $self:ident, $m:ident) => { - $m! { - FreeFunctions { - fn drop($self: $S::FreeFunctions); - fn track_env_var(var: &str, value: Option<&str>); - fn track_path(path: &str); - }, - TokenStream { - fn drop($self: $S::TokenStream); - fn clone($self: &$S::TokenStream) -> $S::TokenStream; - fn new() -> $S::TokenStream; - fn is_empty($self: &$S::TokenStream) -> bool; - fn expand_expr($self: &$S::TokenStream) -> Result<$S::TokenStream, ()>; - fn from_str(src: &str) -> $S::TokenStream; - fn to_string($self: &$S::TokenStream) -> String; - fn from_token_tree( - tree: TokenTree<$S::Group, $S::Punct, $S::Ident, $S::Literal>, - ) -> $S::TokenStream; - fn into_iter($self: $S::TokenStream) -> $S::TokenStreamIter; - }, - TokenStreamBuilder { - fn drop($self: $S::TokenStreamBuilder); - fn new() -> $S::TokenStreamBuilder; - fn push($self: &mut $S::TokenStreamBuilder, stream: $S::TokenStream); - fn build($self: $S::TokenStreamBuilder) -> $S::TokenStream; - }, - TokenStreamIter { - fn drop($self: $S::TokenStreamIter); - fn clone($self: &$S::TokenStreamIter) -> $S::TokenStreamIter; - fn next( - $self: &mut $S::TokenStreamIter, - ) -> Option<TokenTree<$S::Group, $S::Punct, $S::Ident, $S::Literal>>; - }, - Group { - fn drop($self: $S::Group); - fn clone($self: &$S::Group) -> $S::Group; - fn new(delimiter: Delimiter, stream: $S::TokenStream) -> $S::Group; - fn delimiter($self: &$S::Group) -> Delimiter; - fn stream($self: &$S::Group) -> $S::TokenStream; - fn span($self: &$S::Group) -> $S::Span; - fn span_open($self: &$S::Group) -> $S::Span; - fn span_close($self: &$S::Group) -> $S::Span; - fn set_span($self: &mut $S::Group, span: $S::Span); - }, - Punct { - fn new(ch: char, spacing: Spacing) -> $S::Punct; - fn as_char($self: $S::Punct) -> char; - fn spacing($self: $S::Punct) -> Spacing; - fn span($self: $S::Punct) -> $S::Span; - fn with_span($self: $S::Punct, span: $S::Span) -> $S::Punct; - }, - Ident { - fn new(string: &str, span: $S::Span, is_raw: bool) -> $S::Ident; - fn span($self: $S::Ident) -> $S::Span; - fn with_span($self: $S::Ident, span: $S::Span) -> $S::Ident; - }, - Literal { - fn drop($self: $S::Literal); - fn clone($self: &$S::Literal) -> $S::Literal; - fn from_str(s: &str) -> Result<$S::Literal, ()>; - fn to_string($self: &$S::Literal) -> String; - fn debug_kind($self: &$S::Literal) -> String; - fn symbol($self: &$S::Literal) -> String; - fn suffix($self: &$S::Literal) -> Option<String>; - fn integer(n: &str) -> $S::Literal; - fn typed_integer(n: &str, kind: &str) -> $S::Literal; - fn float(n: &str) -> $S::Literal; - fn f32(n: &str) -> $S::Literal; - fn f64(n: &str) -> $S::Literal; - fn string(string: &str) -> $S::Literal; - fn character(ch: char) -> $S::Literal; - fn byte_string(bytes: &[u8]) -> $S::Literal; - fn span($self: &$S::Literal) -> $S::Span; - fn set_span($self: &mut $S::Literal, span: $S::Span); - fn subspan( - $self: &$S::Literal, - start: Bound<usize>, - end: Bound<usize>, - ) -> Option<$S::Span>; - }, - SourceFile { - fn drop($self: $S::SourceFile); - fn clone($self: &$S::SourceFile) -> $S::SourceFile; - fn eq($self: &$S::SourceFile, other: &$S::SourceFile) -> bool; - fn path($self: &$S::SourceFile) -> String; - fn is_real($self: &$S::SourceFile) -> bool; - }, - MultiSpan { - fn drop($self: $S::MultiSpan); - fn new() -> $S::MultiSpan; - fn push($self: &mut $S::MultiSpan, span: $S::Span); - }, - Diagnostic { - fn drop($self: $S::Diagnostic); - fn new(level: Level, msg: &str, span: $S::MultiSpan) -> $S::Diagnostic; - fn sub( - $self: &mut $S::Diagnostic, - level: Level, - msg: &str, - span: $S::MultiSpan, - ); - fn emit($self: $S::Diagnostic); - }, - Span { - fn debug($self: $S::Span) -> String; - fn def_site() -> $S::Span; - fn call_site() -> $S::Span; - fn mixed_site() -> $S::Span; - fn source_file($self: $S::Span) -> $S::SourceFile; - fn parent($self: $S::Span) -> Option<$S::Span>; - fn source($self: $S::Span) -> $S::Span; - fn start($self: $S::Span) -> LineColumn; - fn end($self: $S::Span) -> LineColumn; - fn before($self: $S::Span) -> $S::Span; - fn after($self: $S::Span) -> $S::Span; - fn join($self: $S::Span, other: $S::Span) -> Option<$S::Span>; - fn resolved_at($self: $S::Span, at: $S::Span) -> $S::Span; - fn source_text($self: $S::Span) -> Option<String>; - fn save_span($self: $S::Span) -> usize; - fn recover_proc_macro_span(id: usize) -> $S::Span; - }, - } - }; -} - -// FIXME(eddyb) this calls `encode` for each argument, but in reverse, -// to avoid borrow conflicts from borrows started by `&mut` arguments. -macro_rules! reverse_encode { - ($writer:ident;) => {}; - ($writer:ident; $first:ident $(, $rest:ident)*) => { - reverse_encode!($writer; $($rest),*); - $first.encode(&mut $writer, &mut ()); - } -} - -// FIXME(eddyb) this calls `decode` for each argument, but in reverse, -// to avoid borrow conflicts from borrows started by `&mut` arguments. -macro_rules! reverse_decode { - ($reader:ident, $s:ident;) => {}; - ($reader:ident, $s:ident; $first:ident: $first_ty:ty $(, $rest:ident: $rest_ty:ty)*) => { - reverse_decode!($reader, $s; $($rest: $rest_ty),*); - let $first = <$first_ty>::decode(&mut $reader, $s); - } -} - -#[allow(unsafe_code)] -mod buffer; -#[forbid(unsafe_code)] -pub mod client; -#[allow(unsafe_code)] -mod closure; -#[forbid(unsafe_code)] -mod handle; -#[macro_use] -#[forbid(unsafe_code)] -mod rpc; -#[allow(unsafe_code)] -mod scoped_cell; -#[forbid(unsafe_code)] -pub mod server; - -use buffer::Buffer; -pub use rpc::PanicMessage; -use rpc::{Decode, DecodeMut, Encode, Reader, Writer}; - -/// An active connection between a server and a client. -/// The server creates the bridge (`Bridge::run_server` in `server.rs`), -/// then passes it to the client through the function pointer in the `run` -/// field of `client::Client`. The client holds its copy of the `Bridge` -/// in TLS during its execution (`Bridge::{enter, with}` in `client.rs`). -#[repr(C)] -pub struct Bridge<'a> { - /// Reusable buffer (only `clear`-ed, never shrunk), primarily - /// used for making requests, but also for passing input to client. - cached_buffer: Buffer<u8>, - - /// Server-side function that the client uses to make requests. - dispatch: closure::Closure<'a, Buffer<u8>, Buffer<u8>>, - - /// If 'true', always invoke the default panic hook - force_show_panics: bool, -} - -#[forbid(unsafe_code)] -#[allow(non_camel_case_types)] -mod api_tags { - use super::rpc::{DecodeMut, Encode, Reader, Writer}; - - macro_rules! declare_tags { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)*;)* - }),* $(,)?) => { - $( - pub(super) enum $name { - $($method),* - } - rpc_encode_decode!(enum $name { $($method),* }); - )* - - - pub(super) enum Method { - $($name($name)),* - } - rpc_encode_decode!(enum Method { $($name(m)),* }); - } - } - with_api!(self, self, declare_tags); -} - -/// Helper to wrap associated types to allow trait impl dispatch. -/// That is, normally a pair of impls for `T::Foo` and `T::Bar` -/// can overlap, but if the impls are, instead, on types like -/// `Marked<T::Foo, Foo>` and `Marked<T::Bar, Bar>`, they can't. -trait Mark { - type Unmarked; - fn mark(unmarked: Self::Unmarked) -> Self; -} - -/// Unwrap types wrapped by `Mark::mark` (see `Mark` for details). -trait Unmark { - type Unmarked; - fn unmark(self) -> Self::Unmarked; -} - -#[derive(Copy, Clone, PartialEq, Eq, Hash)] -struct Marked<T, M> { - value: T, - _marker: marker::PhantomData<M>, -} - -impl<T, M> Mark for Marked<T, M> { - type Unmarked = T; - fn mark(unmarked: Self::Unmarked) -> Self { - Marked { value: unmarked, _marker: marker::PhantomData } - } -} -impl<T, M> Unmark for Marked<T, M> { - type Unmarked = T; - fn unmark(self) -> Self::Unmarked { - self.value - } -} -impl<'a, T, M> Unmark for &'a Marked<T, M> { - type Unmarked = &'a T; - fn unmark(self) -> Self::Unmarked { - &self.value - } -} -impl<'a, T, M> Unmark for &'a mut Marked<T, M> { - type Unmarked = &'a mut T; - fn unmark(self) -> Self::Unmarked { - &mut self.value - } -} - -impl<T: Mark> Mark for Option<T> { - type Unmarked = Option<T::Unmarked>; - fn mark(unmarked: Self::Unmarked) -> Self { - unmarked.map(T::mark) - } -} -impl<T: Unmark> Unmark for Option<T> { - type Unmarked = Option<T::Unmarked>; - fn unmark(self) -> Self::Unmarked { - self.map(T::unmark) - } -} - -impl<T: Mark, E: Mark> Mark for Result<T, E> { - type Unmarked = Result<T::Unmarked, E::Unmarked>; - fn mark(unmarked: Self::Unmarked) -> Self { - unmarked.map(T::mark).map_err(E::mark) - } -} -impl<T: Unmark, E: Unmark> Unmark for Result<T, E> { - type Unmarked = Result<T::Unmarked, E::Unmarked>; - fn unmark(self) -> Self::Unmarked { - self.map(T::unmark).map_err(E::unmark) - } -} - -macro_rules! mark_noop { - ($($ty:ty),* $(,)?) => { - $( - impl Mark for $ty { - type Unmarked = Self; - fn mark(unmarked: Self::Unmarked) -> Self { - unmarked - } - } - impl Unmark for $ty { - type Unmarked = Self; - fn unmark(self) -> Self::Unmarked { - self - } - } - )* - } -} -mark_noop! { - (), - bool, - char, - &'_ [u8], - &'_ str, - String, - usize, - Delimiter, - Level, - LineColumn, - Spacing, - Bound<usize>, -} - -rpc_encode_decode!( - enum Delimiter { - Parenthesis, - Brace, - Bracket, - None, - } -); -rpc_encode_decode!( - enum Level { - Error, - Warning, - Note, - Help, - } -); -rpc_encode_decode!(struct LineColumn { line, column }); -rpc_encode_decode!( - enum Spacing { - Alone, - Joint, - } -); - -#[derive(Clone)] -pub enum TokenTree<G, P, I, L> { - Group(G), - Punct(P), - Ident(I), - Literal(L), -} - -impl<G: Mark, P: Mark, I: Mark, L: Mark> Mark for TokenTree<G, P, I, L> { - type Unmarked = TokenTree<G::Unmarked, P::Unmarked, I::Unmarked, L::Unmarked>; - fn mark(unmarked: Self::Unmarked) -> Self { - match unmarked { - TokenTree::Group(tt) => TokenTree::Group(G::mark(tt)), - TokenTree::Punct(tt) => TokenTree::Punct(P::mark(tt)), - TokenTree::Ident(tt) => TokenTree::Ident(I::mark(tt)), - TokenTree::Literal(tt) => TokenTree::Literal(L::mark(tt)), - } - } -} -impl<G: Unmark, P: Unmark, I: Unmark, L: Unmark> Unmark for TokenTree<G, P, I, L> { - type Unmarked = TokenTree<G::Unmarked, P::Unmarked, I::Unmarked, L::Unmarked>; - fn unmark(self) -> Self::Unmarked { - match self { - TokenTree::Group(tt) => TokenTree::Group(tt.unmark()), - TokenTree::Punct(tt) => TokenTree::Punct(tt.unmark()), - TokenTree::Ident(tt) => TokenTree::Ident(tt.unmark()), - TokenTree::Literal(tt) => TokenTree::Literal(tt.unmark()), - } - } -} - -rpc_encode_decode!( - enum TokenTree<G, P, I, L> { - Group(tt), - Punct(tt), - Ident(tt), - Literal(tt), - } -); diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/rpc.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/rpc.rs deleted file mode 100644 index d50564d01..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/rpc.rs +++ /dev/null @@ -1,305 +0,0 @@ -//! Serialization for client-server communication. - -use std::any::Any; -use std::char; -use std::io::Write; -use std::num::NonZeroU32; -use std::ops::Bound; -use std::str; - -pub(super) type Writer = super::buffer::Buffer<u8>; - -pub(super) trait Encode<S>: Sized { - fn encode(self, w: &mut Writer, s: &mut S); -} - -pub(super) type Reader<'a> = &'a [u8]; - -pub(super) trait Decode<'a, 's, S>: Sized { - fn decode(r: &mut Reader<'a>, s: &'s S) -> Self; -} - -pub(super) trait DecodeMut<'a, 's, S>: Sized { - fn decode(r: &mut Reader<'a>, s: &'s mut S) -> Self; -} - -macro_rules! rpc_encode_decode { - (le $ty:ty) => { - impl<S> Encode<S> for $ty { - fn encode(self, w: &mut Writer, _: &mut S) { - w.extend_from_array(&self.to_le_bytes()); - } - } - - impl<S> DecodeMut<'_, '_, S> for $ty { - fn decode(r: &mut Reader<'_>, _: &mut S) -> Self { - const N: usize = ::std::mem::size_of::<$ty>(); - - let mut bytes = [0; N]; - bytes.copy_from_slice(&r[..N]); - *r = &r[N..]; - - Self::from_le_bytes(bytes) - } - } - }; - (struct $name:ident { $($field:ident),* $(,)? }) => { - impl<S> Encode<S> for $name { - fn encode(self, w: &mut Writer, s: &mut S) { - $(self.$field.encode(w, s);)* - } - } - - impl<S> DecodeMut<'_, '_, S> for $name { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - $name { - $($field: DecodeMut::decode(r, s)),* - } - } - } - }; - (enum $name:ident $(<$($T:ident),+>)? { $($variant:ident $(($field:ident))*),* $(,)? }) => { - impl<S, $($($T: Encode<S>),+)?> Encode<S> for $name $(<$($T),+>)? { - fn encode(self, w: &mut Writer, s: &mut S) { - // HACK(eddyb): `Tag` enum duplicated between the - // two impls as there's no other place to stash it. - #[allow(non_upper_case_globals)] - mod tag { - #[repr(u8)] enum Tag { $($variant),* } - - $(pub const $variant: u8 = Tag::$variant as u8;)* - } - - match self { - $($name::$variant $(($field))* => { - tag::$variant.encode(w, s); - $($field.encode(w, s);)* - })* - } - } - } - - impl<'a, S, $($($T: for<'s> DecodeMut<'a, 's, S>),+)?> DecodeMut<'a, '_, S> - for $name $(<$($T),+>)? - { - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - // HACK(eddyb): `Tag` enum duplicated between the - // two impls as there's no other place to stash it. - #[allow(non_upper_case_globals)] - mod tag { - #[repr(u8)] enum Tag { $($variant),* } - - $(pub const $variant: u8 = Tag::$variant as u8;)* - } - - match u8::decode(r, s) { - $(tag::$variant => { - $(let $field = DecodeMut::decode(r, s);)* - $name::$variant $(($field))* - })* - _ => unreachable!(), - } - } - } - } -} - -impl<S> Encode<S> for () { - fn encode(self, _: &mut Writer, _: &mut S) {} -} - -impl<S> DecodeMut<'_, '_, S> for () { - fn decode(_: &mut Reader<'_>, _: &mut S) -> Self {} -} - -impl<S> Encode<S> for u8 { - fn encode(self, w: &mut Writer, _: &mut S) { - w.push(self); - } -} - -impl<S> DecodeMut<'_, '_, S> for u8 { - fn decode(r: &mut Reader<'_>, _: &mut S) -> Self { - let x = r[0]; - *r = &r[1..]; - x - } -} - -rpc_encode_decode!(le u32); -rpc_encode_decode!(le usize); - -impl<S> Encode<S> for bool { - fn encode(self, w: &mut Writer, s: &mut S) { - (self as u8).encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for bool { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - match u8::decode(r, s) { - 0 => false, - 1 => true, - _ => unreachable!(), - } - } -} - -impl<S> Encode<S> for char { - fn encode(self, w: &mut Writer, s: &mut S) { - (self as u32).encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for char { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - char::from_u32(u32::decode(r, s)).unwrap() - } -} - -impl<S> Encode<S> for NonZeroU32 { - fn encode(self, w: &mut Writer, s: &mut S) { - self.get().encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for NonZeroU32 { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - Self::new(u32::decode(r, s)).unwrap() - } -} - -impl<S, A: Encode<S>, B: Encode<S>> Encode<S> for (A, B) { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - self.1.encode(w, s); - } -} - -impl<'a, S, A: for<'s> DecodeMut<'a, 's, S>, B: for<'s> DecodeMut<'a, 's, S>> DecodeMut<'a, '_, S> - for (A, B) -{ - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - (DecodeMut::decode(r, s), DecodeMut::decode(r, s)) - } -} - -rpc_encode_decode!( - enum Bound<T> { - Included(x), - Excluded(x), - Unbounded, - } -); - -rpc_encode_decode!( - enum Option<T> { - None, - Some(x), - } -); - -rpc_encode_decode!( - enum Result<T, E> { - Ok(x), - Err(e), - } -); - -impl<S> Encode<S> for &[u8] { - fn encode(self, w: &mut Writer, s: &mut S) { - self.len().encode(w, s); - w.write_all(self).unwrap(); - } -} - -impl<'a, S> DecodeMut<'a, '_, S> for &'a [u8] { - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - let len = usize::decode(r, s); - let xs = &r[..len]; - *r = &r[len..]; - xs - } -} - -impl<S> Encode<S> for &str { - fn encode(self, w: &mut Writer, s: &mut S) { - self.as_bytes().encode(w, s); - } -} - -impl<'a, S> DecodeMut<'a, '_, S> for &'a str { - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - str::from_utf8(<&[u8]>::decode(r, s)).unwrap() - } -} - -impl<S> Encode<S> for String { - fn encode(self, w: &mut Writer, s: &mut S) { - self[..].encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for String { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - <&str>::decode(r, s).to_string() - } -} - -/// Simplified version of panic payloads, ignoring -/// types other than `&'static str` and `String`. -pub enum PanicMessage { - StaticStr(&'static str), - String(String), - Unknown, -} - -impl From<Box<dyn Any + Send>> for PanicMessage { - fn from(payload: Box<dyn Any + Send + 'static>) -> Self { - if let Some(s) = payload.downcast_ref::<&'static str>() { - return PanicMessage::StaticStr(s); - } - if let Ok(s) = payload.downcast::<String>() { - return PanicMessage::String(*s); - } - PanicMessage::Unknown - } -} - -impl Into<Box<dyn Any + Send>> for PanicMessage { - fn into(self) -> Box<dyn Any + Send> { - match self { - PanicMessage::StaticStr(s) => Box::new(s), - PanicMessage::String(s) => Box::new(s), - PanicMessage::Unknown => { - struct UnknownPanicMessage; - Box::new(UnknownPanicMessage) - } - } - } -} - -impl PanicMessage { - pub fn as_str(&self) -> Option<&str> { - match self { - PanicMessage::StaticStr(s) => Some(s), - PanicMessage::String(s) => Some(s), - PanicMessage::Unknown => None, - } - } -} - -impl<S> Encode<S> for PanicMessage { - fn encode(self, w: &mut Writer, s: &mut S) { - self.as_str().encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for PanicMessage { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - match Option::<String>::decode(r, s) { - Some(s) => PanicMessage::String(s), - None => PanicMessage::Unknown, - } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/scoped_cell.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/scoped_cell.rs deleted file mode 100644 index b0c2e5b9c..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/scoped_cell.rs +++ /dev/null @@ -1,81 +0,0 @@ -//! `Cell` variant for (scoped) existential lifetimes. - -use std::cell::Cell; -use std::mem; -use std::ops::{Deref, DerefMut}; - -/// Type lambda application, with a lifetime. -#[allow(unused_lifetimes)] -pub trait ApplyL<'a> { - type Out; -} - -/// Type lambda taking a lifetime, i.e., `Lifetime -> Type`. -pub trait LambdaL: for<'a> ApplyL<'a> {} - -impl<T: for<'a> ApplyL<'a>> LambdaL for T {} - -// HACK(eddyb) work around projection limitations with a newtype -// FIXME(#52812) replace with `&'a mut <T as ApplyL<'b>>::Out` -pub struct RefMutL<'a, 'b, T: LambdaL>(&'a mut <T as ApplyL<'b>>::Out); - -impl<'a, 'b, T: LambdaL> Deref for RefMutL<'a, 'b, T> { - type Target = <T as ApplyL<'b>>::Out; - fn deref(&self) -> &Self::Target { - self.0 - } -} - -impl<'a, 'b, T: LambdaL> DerefMut for RefMutL<'a, 'b, T> { - fn deref_mut(&mut self) -> &mut Self::Target { - self.0 - } -} - -pub struct ScopedCell<T: LambdaL>(Cell<<T as ApplyL<'static>>::Out>); - -impl<T: LambdaL> ScopedCell<T> { - pub fn new(value: <T as ApplyL<'static>>::Out) -> Self { - ScopedCell(Cell::new(value)) - } - - /// Sets the value in `self` to `replacement` while - /// running `f`, which gets the old value, mutably. - /// The old value will be restored after `f` exits, even - /// by panic, including modifications made to it by `f`. - pub fn replace<'a, R>( - &self, - replacement: <T as ApplyL<'a>>::Out, - f: impl for<'b, 'c> FnOnce(RefMutL<'b, 'c, T>) -> R, - ) -> R { - /// Wrapper that ensures that the cell always gets filled - /// (with the original state, optionally changed by `f`), - /// even if `f` had panicked. - struct PutBackOnDrop<'a, T: LambdaL> { - cell: &'a ScopedCell<T>, - value: Option<<T as ApplyL<'static>>::Out>, - } - - impl<'a, T: LambdaL> Drop for PutBackOnDrop<'a, T> { - fn drop(&mut self) { - self.cell.0.set(self.value.take().unwrap()); - } - } - - let mut put_back_on_drop = PutBackOnDrop { - cell: self, - value: Some(self.0.replace(unsafe { - let erased = mem::transmute_copy(&replacement); - mem::forget(replacement); - erased - })), - }; - - f(RefMutL(put_back_on_drop.value.as_mut().unwrap())) - } - - /// Sets the value in `self` to `value` while running `f`. - pub fn set<R>(&self, value: <T as ApplyL<'_>>::Out, f: impl FnOnce() -> R) -> R { - self.replace(value, |_| f()) - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/server.rs deleted file mode 100644 index 06a197913..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/server.rs +++ /dev/null @@ -1,352 +0,0 @@ -//! Server-side traits. - -use super::*; - -// FIXME(eddyb) generate the definition of `HandleStore` in `server.rs`. -use super::client::HandleStore; - -/// Declare an associated item of one of the traits below, optionally -/// adjusting it (i.e., adding bounds to types and default bodies to methods). -macro_rules! associated_item { - (type FreeFunctions) => - (type FreeFunctions: 'static;); - (type TokenStream) => - (type TokenStream: 'static + Clone;); - (type TokenStreamBuilder) => - (type TokenStreamBuilder: 'static;); - (type TokenStreamIter) => - (type TokenStreamIter: 'static + Clone;); - (type Group) => - (type Group: 'static + Clone;); - (type Punct) => - (type Punct: 'static + Copy + Eq + Hash;); - (type Ident) => - (type Ident: 'static + Copy + Eq + Hash;); - (type Literal) => - (type Literal: 'static + Clone;); - (type SourceFile) => - (type SourceFile: 'static + Clone;); - (type MultiSpan) => - (type MultiSpan: 'static;); - (type Diagnostic) => - (type Diagnostic: 'static;); - (type Span) => - (type Span: 'static + Copy + Eq + Hash;); - (fn drop(&mut self, $arg:ident: $arg_ty:ty)) => - (fn drop(&mut self, $arg: $arg_ty) { mem::drop($arg) }); - (fn clone(&mut self, $arg:ident: $arg_ty:ty) -> $ret_ty:ty) => - (fn clone(&mut self, $arg: $arg_ty) -> $ret_ty { $arg.clone() }); - ($($item:tt)*) => ($($item)*;) -} - -macro_rules! declare_server_traits { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)?;)* - }),* $(,)?) => { - pub trait Types { - $(associated_item!(type $name);)* - } - - $(pub trait $name: Types { - $(associated_item!(fn $method(&mut self, $($arg: $arg_ty),*) $(-> $ret_ty)?);)* - })* - - pub trait Server: Types $(+ $name)* {} - impl<S: Types $(+ $name)*> Server for S {} - } -} -with_api!(Self, self_, declare_server_traits); - -pub(super) struct MarkedTypes<S: Types>(S); - -macro_rules! define_mark_types_impls { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)?;)* - }),* $(,)?) => { - impl<S: Types> Types for MarkedTypes<S> { - $(type $name = Marked<S::$name, client::$name>;)* - } - - $(impl<S: $name> $name for MarkedTypes<S> { - $(fn $method(&mut self, $($arg: $arg_ty),*) $(-> $ret_ty)? { - <_>::mark($name::$method(&mut self.0, $($arg.unmark()),*)) - })* - })* - } -} -with_api!(Self, self_, define_mark_types_impls); - -struct Dispatcher<S: Types> { - handle_store: HandleStore<S>, - server: S, -} - -macro_rules! define_dispatcher_impl { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)?;)* - }),* $(,)?) => { - // FIXME(eddyb) `pub` only for `ExecutionStrategy` below. - pub trait DispatcherTrait { - // HACK(eddyb) these are here to allow `Self::$name` to work below. - $(type $name;)* - fn dispatch(&mut self, b: Buffer<u8>) -> Buffer<u8>; - } - - impl<S: Server> DispatcherTrait for Dispatcher<MarkedTypes<S>> { - $(type $name = <MarkedTypes<S> as Types>::$name;)* - fn dispatch(&mut self, mut b: Buffer<u8>) -> Buffer<u8> { - let Dispatcher { handle_store, server } = self; - - let mut reader = &b[..]; - match api_tags::Method::decode(&mut reader, &mut ()) { - $(api_tags::Method::$name(m) => match m { - $(api_tags::$name::$method => { - let mut call_method = || { - reverse_decode!(reader, handle_store; $($arg: $arg_ty),*); - $name::$method(server, $($arg),*) - }; - // HACK(eddyb) don't use `panic::catch_unwind` in a panic. - // If client and server happen to use the same `libstd`, - // `catch_unwind` asserts that the panic counter was 0, - // even when the closure passed to it didn't panic. - let r = if thread::panicking() { - Ok(call_method()) - } else { - panic::catch_unwind(panic::AssertUnwindSafe(call_method)) - .map_err(PanicMessage::from) - }; - - b.clear(); - r.encode(&mut b, handle_store); - })* - }),* - } - b - } - } - } -} -with_api!(Self, self_, define_dispatcher_impl); - -pub trait ExecutionStrategy { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8>; -} - -pub struct SameThread; - -impl ExecutionStrategy for SameThread { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8> { - let mut dispatch = |b| dispatcher.dispatch(b); - - run_client( - Bridge { cached_buffer: input, dispatch: (&mut dispatch).into(), force_show_panics }, - client_data, - ) - } -} - -// NOTE(eddyb) Two implementations are provided, the second one is a bit -// faster but neither is anywhere near as fast as same-thread execution. - -pub struct CrossThread1; - -impl ExecutionStrategy for CrossThread1 { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8> { - use std::sync::mpsc::channel; - - let (req_tx, req_rx) = channel(); - let (res_tx, res_rx) = channel(); - - let join_handle = thread::spawn(move || { - let mut dispatch = |b| { - req_tx.send(b).unwrap(); - res_rx.recv().unwrap() - }; - - run_client( - Bridge { - cached_buffer: input, - dispatch: (&mut dispatch).into(), - force_show_panics, - }, - client_data, - ) - }); - - for b in req_rx { - res_tx.send(dispatcher.dispatch(b)).unwrap(); - } - - join_handle.join().unwrap() - } -} - -pub struct CrossThread2; - -impl ExecutionStrategy for CrossThread2 { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8> { - use std::sync::{Arc, Mutex}; - - enum State<T> { - Req(T), - Res(T), - } - - let mut state = Arc::new(Mutex::new(State::Res(Buffer::new()))); - - let server_thread = thread::current(); - let state2 = state.clone(); - let join_handle = thread::spawn(move || { - let mut dispatch = |b| { - *state2.lock().unwrap() = State::Req(b); - server_thread.unpark(); - loop { - thread::park(); - if let State::Res(b) = &mut *state2.lock().unwrap() { - break b.take(); - } - } - }; - - let r = run_client( - Bridge { - cached_buffer: input, - dispatch: (&mut dispatch).into(), - force_show_panics, - }, - client_data, - ); - - // Wake up the server so it can exit the dispatch loop. - drop(state2); - server_thread.unpark(); - - r - }); - - // Check whether `state2` was dropped, to know when to stop. - while Arc::get_mut(&mut state).is_none() { - thread::park(); - let mut b = match &mut *state.lock().unwrap() { - State::Req(b) => b.take(), - _ => continue, - }; - b = dispatcher.dispatch(b.take()); - *state.lock().unwrap() = State::Res(b); - join_handle.thread().unpark(); - } - - join_handle.join().unwrap() - } -} - -fn run_server< - S: Server, - I: Encode<HandleStore<MarkedTypes<S>>>, - O: for<'a, 's> DecodeMut<'a, 's, HandleStore<MarkedTypes<S>>>, - D: Copy + Send + 'static, ->( - strategy: &impl ExecutionStrategy, - handle_counters: &'static client::HandleCounters, - server: S, - input: I, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, -) -> Result<O, PanicMessage> { - let mut dispatcher = - Dispatcher { handle_store: HandleStore::new(handle_counters), server: MarkedTypes(server) }; - - let mut b = Buffer::new(); - input.encode(&mut b, &mut dispatcher.handle_store); - - b = strategy.run_bridge_and_client( - &mut dispatcher, - b, - run_client, - client_data, - force_show_panics, - ); - - Result::decode(&mut &b[..], &mut dispatcher.handle_store) -} - -impl client::Client<fn(super::super::TokenStream) -> super::super::TokenStream> { - pub fn run<S: Server>( - &self, - strategy: &impl ExecutionStrategy, - server: S, - input: S::TokenStream, - force_show_panics: bool, - ) -> Result<S::TokenStream, PanicMessage> { - let client::Client { get_handle_counters, run, f } = *self; - run_server( - strategy, - get_handle_counters(), - server, - <MarkedTypes<S> as Types>::TokenStream::mark(input), - run, - f, - force_show_panics, - ) - .map(<MarkedTypes<S> as Types>::TokenStream::unmark) - } -} - -impl - client::Client< - fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream, - > -{ - pub fn run<S: Server>( - &self, - strategy: &impl ExecutionStrategy, - server: S, - input: S::TokenStream, - input2: S::TokenStream, - force_show_panics: bool, - ) -> Result<S::TokenStream, PanicMessage> { - let client::Client { get_handle_counters, run, f } = *self; - run_server( - strategy, - get_handle_counters(), - server, - ( - <MarkedTypes<S> as Types>::TokenStream::mark(input), - <MarkedTypes<S> as Types>::TokenStream::mark(input2), - ), - run, - f, - force_show_panics, - ) - .map(<MarkedTypes<S> as Types>::TokenStream::unmark) - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/diagnostic.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/diagnostic.rs deleted file mode 100644 index cda239f87..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/diagnostic.rs +++ /dev/null @@ -1,166 +0,0 @@ -//! lib-proc-macro diagnostic -//! -//! Copy from <https://github.com/rust-lang/rust/blob/6050e523bae6de61de4e060facc43dc512adaccd/src/libproc_macro/diagnostic.rs> -//! augmented with removing unstable features - -use super::Span; - -/// An enum representing a diagnostic level. -#[derive(Copy, Clone, Debug)] -#[non_exhaustive] -pub enum Level { - /// An error. - Error, - /// A warning. - Warning, - /// A note. - Note, - /// A help message. - Help, -} - -/// Trait implemented by types that can be converted into a set of `Span`s. -pub trait MultiSpan { - /// Converts `self` into a `Vec<Span>`. - fn into_spans(self) -> Vec<Span>; -} - -impl MultiSpan for Span { - fn into_spans(self) -> Vec<Span> { - vec![self] - } -} - -impl MultiSpan for Vec<Span> { - fn into_spans(self) -> Vec<Span> { - self - } -} - -impl<'a> MultiSpan for &'a [Span] { - fn into_spans(self) -> Vec<Span> { - self.to_vec() - } -} - -/// A structure representing a diagnostic message and associated children -/// messages. -#[derive(Clone, Debug)] -pub struct Diagnostic { - level: Level, - message: String, - spans: Vec<Span>, - children: Vec<Diagnostic>, -} - -macro_rules! diagnostic_child_methods { - ($spanned:ident, $regular:ident, $level:expr) => { - #[doc = concat!("Adds a new child diagnostics message to `self` with the [`", - stringify!($level), "`] level, and the given `spans` and `message`.")] - pub fn $spanned<S, T>(mut self, spans: S, message: T) -> Diagnostic - where - S: MultiSpan, - T: Into<String>, - { - self.children.push(Diagnostic::spanned(spans, $level, message)); - self - } - - #[doc = concat!("Adds a new child diagnostic message to `self` with the [`", - stringify!($level), "`] level, and the given `message`.")] - pub fn $regular<T: Into<String>>(mut self, message: T) -> Diagnostic { - self.children.push(Diagnostic::new($level, message)); - self - } - }; -} - -/// Iterator over the children diagnostics of a `Diagnostic`. -#[derive(Debug, Clone)] -pub struct Children<'a>(std::slice::Iter<'a, Diagnostic>); - -impl<'a> Iterator for Children<'a> { - type Item = &'a Diagnostic; - - fn next(&mut self) -> Option<Self::Item> { - self.0.next() - } -} - -impl Diagnostic { - /// Creates a new diagnostic with the given `level` and `message`. - pub fn new<T: Into<String>>(level: Level, message: T) -> Diagnostic { - Diagnostic { level, message: message.into(), spans: vec![], children: vec![] } - } - - /// Creates a new diagnostic with the given `level` and `message` pointing to - /// the given set of `spans`. - pub fn spanned<S, T>(spans: S, level: Level, message: T) -> Diagnostic - where - S: MultiSpan, - T: Into<String>, - { - Diagnostic { level, message: message.into(), spans: spans.into_spans(), children: vec![] } - } - - diagnostic_child_methods!(span_error, error, Level::Error); - diagnostic_child_methods!(span_warning, warning, Level::Warning); - diagnostic_child_methods!(span_note, note, Level::Note); - diagnostic_child_methods!(span_help, help, Level::Help); - - /// Returns the diagnostic `level` for `self`. - pub fn level(&self) -> Level { - self.level - } - - /// Sets the level in `self` to `level`. - pub fn set_level(&mut self, level: Level) { - self.level = level; - } - - /// Returns the message in `self`. - pub fn message(&self) -> &str { - &self.message - } - - /// Sets the message in `self` to `message`. - pub fn set_message<T: Into<String>>(&mut self, message: T) { - self.message = message.into(); - } - - /// Returns the `Span`s in `self`. - pub fn spans(&self) -> &[Span] { - &self.spans - } - - /// Sets the `Span`s in `self` to `spans`. - pub fn set_spans<S: MultiSpan>(&mut self, spans: S) { - self.spans = spans.into_spans(); - } - - /// Returns an iterator over the children diagnostics of `self`. - pub fn children(&self) -> Children<'_> { - Children(self.children.iter()) - } - - /// Emit the diagnostic. - pub fn emit(self) { - fn to_internal(spans: Vec<Span>) -> super::bridge::client::MultiSpan { - let mut multi_span = super::bridge::client::MultiSpan::new(); - for span in spans { - multi_span.push(span.0); - } - multi_span - } - - let mut diag = super::bridge::client::Diagnostic::new( - self.level, - &self.message[..], - to_internal(self.spans), - ); - for c in self.children { - diag.sub(c.level, &c.message[..], to_internal(c.spans)); - } - diag.emit(); - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/mod.rs deleted file mode 100644 index c5145d00e..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/mod.rs +++ /dev/null @@ -1,1056 +0,0 @@ -//! A support library for macro authors when defining new macros. -//! -//! This library, provided by the standard distribution, provides the types -//! consumed in the interfaces of procedurally defined macro definitions such as -//! function-like macros `#[proc_macro]`, macro attributes `#[proc_macro_attribute]` and -//! custom derive attributes`#[proc_macro_derive]`. -//! -//! See [the book] for more. -//! -//! [the book]: ../book/ch19-06-macros.html#procedural-macros-for-generating-code-from-attributes - -#[doc(hidden)] -pub mod bridge; - -mod diagnostic; - -pub use diagnostic::{Diagnostic, Level, MultiSpan}; - -use std::cmp::Ordering; -use std::ops::RangeBounds; -use std::path::PathBuf; -use std::str::FromStr; -use std::{error, fmt, iter, mem}; - -/// Determines whether proc_macro has been made accessible to the currently -/// running program. -/// -/// The proc_macro crate is only intended for use inside the implementation of -/// procedural macros. All the functions in this crate panic if invoked from -/// outside of a procedural macro, such as from a build script or unit test or -/// ordinary Rust binary. -/// -/// With consideration for Rust libraries that are designed to support both -/// macro and non-macro use cases, `proc_macro::is_available()` provides a -/// non-panicking way to detect whether the infrastructure required to use the -/// API of proc_macro is presently available. Returns true if invoked from -/// inside of a procedural macro, false if invoked from any other binary. -pub fn is_available() -> bool { - bridge::Bridge::is_available() -} - -/// The main type provided by this crate, representing an abstract stream of -/// tokens, or, more specifically, a sequence of token trees. -/// The type provide interfaces for iterating over those token trees and, conversely, -/// collecting a number of token trees into one stream. -/// -/// This is both the input and output of `#[proc_macro]`, `#[proc_macro_attribute]` -/// and `#[proc_macro_derive]` definitions. -#[derive(Clone)] -pub struct TokenStream(bridge::client::TokenStream); - -/// Error returned from `TokenStream::from_str`. -#[non_exhaustive] -#[derive(Debug)] -pub struct LexError; - -impl fmt::Display for LexError { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str("cannot parse string into token stream") - } -} - -impl error::Error for LexError {} - -/// Error returned from `TokenStream::expand_expr`. -#[non_exhaustive] -#[derive(Debug)] -pub struct ExpandError; - -impl fmt::Display for ExpandError { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str("macro expansion failed") - } -} - -impl error::Error for ExpandError {} - -impl TokenStream { - /// Returns an empty `TokenStream` containing no token trees. - pub fn new() -> TokenStream { - TokenStream(bridge::client::TokenStream::new()) - } - - /// Checks if this `TokenStream` is empty. - pub fn is_empty(&self) -> bool { - self.0.is_empty() - } - - /// Parses this `TokenStream` as an expression and attempts to expand any - /// macros within it. Returns the expanded `TokenStream`. - /// - /// Currently only expressions expanding to literals will succeed, although - /// this may be relaxed in the future. - /// - /// NOTE: In error conditions, `expand_expr` may leave macros unexpanded, - /// report an error, failing compilation, and/or return an `Err(..)`. The - /// specific behavior for any error condition, and what conditions are - /// considered errors, is unspecified and may change in the future. - pub fn expand_expr(&self) -> Result<TokenStream, ExpandError> { - match bridge::client::TokenStream::expand_expr(&self.0) { - Ok(stream) => Ok(TokenStream(stream)), - Err(_) => Err(ExpandError), - } - } -} - -/// Attempts to break the string into tokens and parse those tokens into a token stream. -/// May fail for a number of reasons, for example, if the string contains unbalanced delimiters -/// or characters not existing in the language. -/// All tokens in the parsed stream get `Span::call_site()` spans. -/// -/// NOTE: some errors may cause panics instead of returning `LexError`. We reserve the right to -/// change these errors into `LexError`s later. -impl FromStr for TokenStream { - type Err = LexError; - - fn from_str(src: &str) -> Result<TokenStream, LexError> { - Ok(TokenStream(bridge::client::TokenStream::from_str(src))) - } -} - -/// Prints the token stream as a string that is supposed to be losslessly convertible back -/// into the same token stream (modulo spans), except for possibly `TokenTree::Group`s -/// with `Delimiter::None` delimiters and negative numeric literals. -impl fmt::Display for TokenStream { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -/// Prints token in a form convenient for debugging. -impl fmt::Debug for TokenStream { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str("TokenStream ")?; - f.debug_list().entries(self.clone()).finish() - } -} - -impl Default for TokenStream { - fn default() -> Self { - TokenStream::new() - } -} - -pub use quote::{quote, quote_span}; - -/// Creates a token stream containing a single token tree. -impl From<TokenTree> for TokenStream { - fn from(tree: TokenTree) -> TokenStream { - TokenStream(bridge::client::TokenStream::from_token_tree(match tree { - TokenTree::Group(tt) => bridge::TokenTree::Group(tt.0), - TokenTree::Punct(tt) => bridge::TokenTree::Punct(tt.0), - TokenTree::Ident(tt) => bridge::TokenTree::Ident(tt.0), - TokenTree::Literal(tt) => bridge::TokenTree::Literal(tt.0), - })) - } -} - -/// Collects a number of token trees into a single stream. -impl FromIterator<TokenTree> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenTree>>(trees: I) -> Self { - trees.into_iter().map(TokenStream::from).collect() - } -} - -/// A "flattening" operation on token streams, collects token trees -/// from multiple token streams into a single stream. -impl FromIterator<TokenStream> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self { - let mut builder = bridge::client::TokenStreamBuilder::new(); - streams.into_iter().for_each(|stream| builder.push(stream.0)); - TokenStream(builder.build()) - } -} - -impl Extend<TokenTree> for TokenStream { - fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, trees: I) { - self.extend(trees.into_iter().map(TokenStream::from)); - } -} - -impl Extend<TokenStream> for TokenStream { - fn extend<I: IntoIterator<Item = TokenStream>>(&mut self, streams: I) { - // FIXME(eddyb) Use an optimized implementation if/when possible. - *self = iter::once(mem::replace(self, Self::new())).chain(streams).collect(); - } -} - -/// Public implementation details for the `TokenStream` type, such as iterators. -pub mod token_stream { - use super::{bridge, Group, Ident, Literal, Punct, TokenStream, TokenTree}; - - /// An iterator over `TokenStream`'s `TokenTree`s. - /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, - /// and returns whole groups as token trees. - #[derive(Clone)] - pub struct IntoIter(bridge::client::TokenStreamIter); - - impl Iterator for IntoIter { - type Item = TokenTree; - - fn next(&mut self) -> Option<TokenTree> { - self.0.next().map(|tree| match tree { - bridge::TokenTree::Group(tt) => TokenTree::Group(Group(tt)), - bridge::TokenTree::Punct(tt) => TokenTree::Punct(Punct(tt)), - bridge::TokenTree::Ident(tt) => TokenTree::Ident(Ident(tt)), - bridge::TokenTree::Literal(tt) => TokenTree::Literal(Literal(tt)), - }) - } - } - - impl IntoIterator for TokenStream { - type Item = TokenTree; - type IntoIter = IntoIter; - - fn into_iter(self) -> IntoIter { - IntoIter(self.0.into_iter()) - } - } -} - -/// `quote!(..)` accepts arbitrary tokens and expands into a `TokenStream` describing the input. -/// For example, `quote!(a + b)` will produce an expression, that, when evaluated, constructs -/// the `TokenStream` `[Ident("a"), Punct('+', Alone), Ident("b")]`. -/// -/// Unquoting is done with `$`, and works by taking the single next ident as the unquoted term. -/// To quote `$` itself, use `$$`. -//pub macro quote($($t:tt)*) { -//[> compiler built-in <] -//} - -#[doc(hidden)] -mod quote; - -/// A region of source code, along with macro expansion information. -#[derive(Copy, Clone)] -pub struct Span(bridge::client::Span); - -macro_rules! diagnostic_method { - ($name:ident, $level:expr) => { - /// Creates a new `Diagnostic` with the given `message` at the span - /// `self`. - pub fn $name<T: Into<String>>(self, message: T) -> Diagnostic { - Diagnostic::spanned(self, $level, message) - } - }; -} - -impl Span { - /// A span that resolves at the macro definition site. - pub fn def_site() -> Span { - Span(bridge::client::Span::def_site()) - } - - /// The span of the invocation of the current procedural macro. - /// Identifiers created with this span will be resolved as if they were written - /// directly at the macro call location (call-site hygiene) and other code - /// at the macro call site will be able to refer to them as well. - pub fn call_site() -> Span { - Span(bridge::client::Span::call_site()) - } - - /// A span that represents `macro_rules` hygiene, and sometimes resolves at the macro - /// definition site (local variables, labels, `$crate`) and sometimes at the macro - /// call site (everything else). - /// The span location is taken from the call-site. - pub fn mixed_site() -> Span { - Span(bridge::client::Span::mixed_site()) - } - - /// The original source file into which this span points. - pub fn source_file(&self) -> SourceFile { - SourceFile(self.0.source_file()) - } - - /// The `Span` for the tokens in the previous macro expansion from which - /// `self` was generated from, if any. - pub fn parent(&self) -> Option<Span> { - self.0.parent().map(Span) - } - - /// The span for the origin source code that `self` was generated from. If - /// this `Span` wasn't generated from other macro expansions then the return - /// value is the same as `*self`. - pub fn source(&self) -> Span { - Span(self.0.source()) - } - - /// Gets the starting line/column in the source file for this span. - pub fn start(&self) -> LineColumn { - self.0.start().add_1_to_column() - } - - /// Gets the ending line/column in the source file for this span. - pub fn end(&self) -> LineColumn { - self.0.end().add_1_to_column() - } - - /// Creates an empty span pointing to directly before this span. - pub fn before(&self) -> Span { - Span(self.0.before()) - } - - /// Creates an empty span pointing to directly after this span. - pub fn after(&self) -> Span { - Span(self.0.after()) - } - - /// Creates a new span encompassing `self` and `other`. - /// - /// Returns `None` if `self` and `other` are from different files. - pub fn join(&self, other: Span) -> Option<Span> { - self.0.join(other.0).map(Span) - } - - /// Creates a new span with the same line/column information as `self` but - /// that resolves symbols as though it were at `other`. - pub fn resolved_at(&self, other: Span) -> Span { - Span(self.0.resolved_at(other.0)) - } - - /// Creates a new span with the same name resolution behavior as `self` but - /// with the line/column information of `other`. - pub fn located_at(&self, other: Span) -> Span { - other.resolved_at(*self) - } - - /// Compares to spans to see if they're equal. - pub fn eq(&self, other: &Span) -> bool { - self.0 == other.0 - } - - /// Returns the source text behind a span. This preserves the original source - /// code, including spaces and comments. It only returns a result if the span - /// corresponds to real source code. - /// - /// Note: The observable result of a macro should only rely on the tokens and - /// not on this source text. The result of this function is a best effort to - /// be used for diagnostics only. - pub fn source_text(&self) -> Option<String> { - self.0.source_text() - } - - // Used by the implementation of `Span::quote` - #[doc(hidden)] - pub fn save_span(&self) -> usize { - self.0.save_span() - } - - // Used by the implementation of `Span::quote` - #[doc(hidden)] - pub fn recover_proc_macro_span(id: usize) -> Span { - Span(bridge::client::Span::recover_proc_macro_span(id)) - } - - diagnostic_method!(error, Level::Error); - diagnostic_method!(warning, Level::Warning); - diagnostic_method!(note, Level::Note); - diagnostic_method!(help, Level::Help); -} - -/// Prints a span in a form convenient for debugging. -impl fmt::Debug for Span { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } -} - -/// A line-column pair representing the start or end of a `Span`. -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub struct LineColumn { - /// The 1-indexed line in the source file on which the span starts or ends (inclusive). - pub line: usize, - /// The 1-indexed column (number of bytes in UTF-8 encoding) in the source - /// file on which the span starts or ends (inclusive). - pub column: usize, -} - -impl LineColumn { - fn add_1_to_column(self) -> Self { - LineColumn { line: self.line, column: self.column + 1 } - } -} - -impl Ord for LineColumn { - fn cmp(&self, other: &Self) -> Ordering { - self.line.cmp(&other.line).then(self.column.cmp(&other.column)) - } -} - -impl PartialOrd for LineColumn { - fn partial_cmp(&self, other: &Self) -> Option<Ordering> { - Some(self.cmp(other)) - } -} - -/// The source file of a given `Span`. -#[derive(Clone)] -pub struct SourceFile(bridge::client::SourceFile); - -impl SourceFile { - /// Gets the path to this source file. - /// - /// ### Note - /// If the code span associated with this `SourceFile` was generated by an external macro, this - /// macro, this might not be an actual path on the filesystem. Use [`is_real`] to check. - /// - /// Also note that even if `is_real` returns `true`, if `--remap-path-prefix` was passed on - /// the command line, the path as given might not actually be valid. - /// - /// [`is_real`]: Self::is_real - pub fn path(&self) -> PathBuf { - PathBuf::from(self.0.path()) - } - - /// Returns `true` if this source file is a real source file, and not generated by an external - /// macro's expansion. - pub fn is_real(&self) -> bool { - // This is a hack until intercrate spans are implemented and we can have real source files - // for spans generated in external macros. - // https://github.com/rust-lang/rust/pull/43604#issuecomment-333334368 - self.0.is_real() - } -} - -impl fmt::Debug for SourceFile { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("SourceFile") - .field("path", &self.path()) - .field("is_real", &self.is_real()) - .finish() - } -} - -impl PartialEq for SourceFile { - fn eq(&self, other: &Self) -> bool { - self.0.eq(&other.0) - } -} - -impl Eq for SourceFile {} - -/// A single token or a delimited sequence of token trees (e.g., `[1, (), ..]`). -#[derive(Clone)] -pub enum TokenTree { - /// A token stream surrounded by bracket delimiters. - Group(Group), - /// An identifier. - Ident(Ident), - /// A single punctuation character (`+`, `,`, `$`, etc.). - Punct(Punct), - /// A literal character (`'a'`), string (`"hello"`), number (`2.3`), etc. - Literal(Literal), -} - -impl TokenTree { - /// Returns the span of this tree, delegating to the `span` method of - /// the contained token or a delimited stream. - pub fn span(&self) -> Span { - match *self { - TokenTree::Group(ref t) => t.span(), - TokenTree::Ident(ref t) => t.span(), - TokenTree::Punct(ref t) => t.span(), - TokenTree::Literal(ref t) => t.span(), - } - } - - /// Configures the span for *only this token*. - /// - /// Note that if this token is a `Group` then this method will not configure - /// the span of each of the internal tokens, this will simply delegate to - /// the `set_span` method of each variant. - pub fn set_span(&mut self, span: Span) { - match *self { - TokenTree::Group(ref mut t) => t.set_span(span), - TokenTree::Ident(ref mut t) => t.set_span(span), - TokenTree::Punct(ref mut t) => t.set_span(span), - TokenTree::Literal(ref mut t) => t.set_span(span), - } - } -} - -/// Prints token tree in a form convenient for debugging. -impl fmt::Debug for TokenTree { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - // Each of these has the name in the struct type in the derived debug, - // so don't bother with an extra layer of indirection - match *self { - TokenTree::Group(ref tt) => tt.fmt(f), - TokenTree::Ident(ref tt) => tt.fmt(f), - TokenTree::Punct(ref tt) => tt.fmt(f), - TokenTree::Literal(ref tt) => tt.fmt(f), - } - } -} - -impl From<Group> for TokenTree { - fn from(g: Group) -> TokenTree { - TokenTree::Group(g) - } -} - -impl From<Ident> for TokenTree { - fn from(g: Ident) -> TokenTree { - TokenTree::Ident(g) - } -} - -impl From<Punct> for TokenTree { - fn from(g: Punct) -> TokenTree { - TokenTree::Punct(g) - } -} - -impl From<Literal> for TokenTree { - fn from(g: Literal) -> TokenTree { - TokenTree::Literal(g) - } -} - -/// Prints the token tree as a string that is supposed to be losslessly convertible back -/// into the same token tree (modulo spans), except for possibly `TokenTree::Group`s -/// with `Delimiter::None` delimiters and negative numeric literals. -impl fmt::Display for TokenTree { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -/// A delimited token stream. -/// -/// A `Group` internally contains a `TokenStream` which is surrounded by `Delimiter`s. -#[derive(Clone)] -pub struct Group(bridge::client::Group); - -/// Describes how a sequence of token trees is delimited. -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub enum Delimiter { - /// `( ... )` - Parenthesis, - /// `{ ... }` - Brace, - /// `[ ... ]` - Bracket, - /// `Ø ... Ø` - /// An implicit delimiter, that may, for example, appear around tokens coming from a - /// "macro variable" `$var`. It is important to preserve operator priorities in cases like - /// `$var * 3` where `$var` is `1 + 2`. - /// Implicit delimiters might not survive roundtrip of a token stream through a string. - None, -} - -impl Group { - /// Creates a new `Group` with the given delimiter and token stream. - /// - /// This constructor will set the span for this group to - /// `Span::call_site()`. To change the span you can use the `set_span` - /// method below. - pub fn new(delimiter: Delimiter, stream: TokenStream) -> Group { - Group(bridge::client::Group::new(delimiter, stream.0)) - } - - /// Returns the delimiter of this `Group` - pub fn delimiter(&self) -> Delimiter { - self.0.delimiter() - } - - /// Returns the `TokenStream` of tokens that are delimited in this `Group`. - /// - /// Note that the returned token stream does not include the delimiter - /// returned above. - pub fn stream(&self) -> TokenStream { - TokenStream(self.0.stream()) - } - - /// Returns the span for the delimiters of this token stream, spanning the - /// entire `Group`. - /// - /// ```text - /// pub fn span(&self) -> Span { - /// ^^^^^^^ - /// ``` - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Returns the span pointing to the opening delimiter of this group. - /// - /// ```text - /// pub fn span_open(&self) -> Span { - /// ^ - /// ``` - pub fn span_open(&self) -> Span { - Span(self.0.span_open()) - } - - /// Returns the span pointing to the closing delimiter of this group. - /// - /// ```text - /// pub fn span_close(&self) -> Span { - /// ^ - /// ``` - pub fn span_close(&self) -> Span { - Span(self.0.span_close()) - } - - /// Configures the span for this `Group`'s delimiters, but not its internal - /// tokens. - /// - /// This method will **not** set the span of all the internal tokens spanned - /// by this group, but rather it will only set the span of the delimiter - /// tokens at the level of the `Group`. - pub fn set_span(&mut self, span: Span) { - self.0.set_span(span.0); - } -} - -/// Prints the group as a string that should be losslessly convertible back -/// into the same group (modulo spans), except for possibly `TokenTree::Group`s -/// with `Delimiter::None` delimiters. -impl fmt::Display for Group { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Group { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Group") - .field("delimiter", &self.delimiter()) - .field("stream", &self.stream()) - .field("span", &self.span()) - .finish() - } -} - -/// A `Punct` is a single punctuation character such as `+`, `-` or `#`. -/// -/// Multi-character operators like `+=` are represented as two instances of `Punct` with different -/// forms of `Spacing` returned. -#[derive(Clone)] -pub struct Punct(bridge::client::Punct); - -/// Describes whether a `Punct` is followed immediately by another `Punct` ([`Spacing::Joint`]) or -/// by a different token or whitespace ([`Spacing::Alone`]). -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub enum Spacing { - /// A `Punct` is not immediately followed by another `Punct`. - /// E.g. `+` is `Alone` in `+ =`, `+ident` and `+()`. - Alone, - /// A `Punct` is immediately followed by another `Punct`. - /// E.g. `+` is `Joint` in `+=` and `++`. - /// - /// Additionally, single quote `'` can join with identifiers to form lifetimes: `'ident`. - Joint, -} - -impl Punct { - /// Creates a new `Punct` from the given character and spacing. - /// The `ch` argument must be a valid punctuation character permitted by the language, - /// otherwise the function will panic. - /// - /// The returned `Punct` will have the default span of `Span::call_site()` - /// which can be further configured with the `set_span` method below. - pub fn new(ch: char, spacing: Spacing) -> Punct { - Punct(bridge::client::Punct::new(ch, spacing)) - } - - /// Returns the value of this punctuation character as `char`. - pub fn as_char(&self) -> char { - self.0.as_char() - } - - /// Returns the spacing of this punctuation character, indicating whether it's immediately - /// followed by another `Punct` in the token stream, so they can potentially be combined into - /// a multi-character operator (`Joint`), or it's followed by some other token or whitespace - /// (`Alone`) so the operator has certainly ended. - pub fn spacing(&self) -> Spacing { - self.0.spacing() - } - - /// Returns the span for this punctuation character. - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Configure the span for this punctuation character. - pub fn set_span(&mut self, span: Span) { - self.0 = self.0.with_span(span.0); - } -} - -/// Prints the punctuation character as a string that should be losslessly convertible -/// back into the same character. -impl fmt::Display for Punct { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Punct { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Punct") - .field("ch", &self.as_char()) - .field("spacing", &self.spacing()) - .field("span", &self.span()) - .finish() - } -} - -impl PartialEq<char> for Punct { - fn eq(&self, rhs: &char) -> bool { - self.as_char() == *rhs - } -} - -impl PartialEq<Punct> for char { - fn eq(&self, rhs: &Punct) -> bool { - *self == rhs.as_char() - } -} - -/// An identifier (`ident`). -#[derive(Clone)] -pub struct Ident(bridge::client::Ident); - -impl Ident { - /// Creates a new `Ident` with the given `string` as well as the specified - /// `span`. - /// The `string` argument must be a valid identifier permitted by the - /// language (including keywords, e.g. `self` or `fn`). Otherwise, the function will panic. - /// - /// Note that `span`, currently in rustc, configures the hygiene information - /// for this identifier. - /// - /// As of this time `Span::call_site()` explicitly opts-in to "call-site" hygiene - /// meaning that identifiers created with this span will be resolved as if they were written - /// directly at the location of the macro call, and other code at the macro call site will be - /// able to refer to them as well. - /// - /// Later spans like `Span::def_site()` will allow to opt-in to "definition-site" hygiene - /// meaning that identifiers created with this span will be resolved at the location of the - /// macro definition and other code at the macro call site will not be able to refer to them. - /// - /// Due to the current importance of hygiene this constructor, unlike other - /// tokens, requires a `Span` to be specified at construction. - pub fn new(string: &str, span: Span) -> Ident { - Ident(bridge::client::Ident::new(string, span.0, false)) - } - - /// Same as `Ident::new`, but creates a raw identifier (`r#ident`). - /// The `string` argument be a valid identifier permitted by the language - /// (including keywords, e.g. `fn`). Keywords which are usable in path segments - /// (e.g. `self`, `super`) are not supported, and will cause a panic. - pub fn new_raw(string: &str, span: Span) -> Ident { - Ident(bridge::client::Ident::new(string, span.0, true)) - } - - /// Returns the span of this `Ident`, encompassing the entire string returned - /// by [`to_string`](Self::to_string). - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Configures the span of this `Ident`, possibly changing its hygiene context. - pub fn set_span(&mut self, span: Span) { - self.0 = self.0.with_span(span.0); - } -} - -/// Prints the identifier as a string that should be losslessly convertible -/// back into the same identifier. -impl fmt::Display for Ident { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Ident { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Ident") - .field("ident", &self.to_string()) - .field("span", &self.span()) - .finish() - } -} - -/// A literal string (`"hello"`), byte string (`b"hello"`), -/// character (`'a'`), byte character (`b'a'`), an integer or floating point number -/// with or without a suffix (`1`, `1u8`, `2.3`, `2.3f32`). -/// Boolean literals like `true` and `false` do not belong here, they are `Ident`s. -#[derive(Clone)] -pub struct Literal(bridge::client::Literal); - -macro_rules! suffixed_int_literals { - ($($name:ident => $kind:ident,)*) => ($( - /// Creates a new suffixed integer literal with the specified value. - /// - /// This function will create an integer like `1u32` where the integer - /// value specified is the first part of the token and the integral is - /// also suffixed at the end. - /// Literals created from negative numbers might not survive round-trips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// Literals created through this method have the `Span::call_site()` - /// span by default, which can be configured with the `set_span` method - /// below. - pub fn $name(n: $kind) -> Literal { - Literal(bridge::client::Literal::typed_integer(&n.to_string(), stringify!($kind))) - } - )*) -} - -macro_rules! unsuffixed_int_literals { - ($($name:ident => $kind:ident,)*) => ($( - /// Creates a new unsuffixed integer literal with the specified value. - /// - /// This function will create an integer like `1` where the integer - /// value specified is the first part of the token. No suffix is - /// specified on this token, meaning that invocations like - /// `Literal::i8_unsuffixed(1)` are equivalent to - /// `Literal::u32_unsuffixed(1)`. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// Literals created through this method have the `Span::call_site()` - /// span by default, which can be configured with the `set_span` method - /// below. - pub fn $name(n: $kind) -> Literal { - Literal(bridge::client::Literal::integer(&n.to_string())) - } - )*) -} - -impl Literal { - suffixed_int_literals! { - u8_suffixed => u8, - u16_suffixed => u16, - u32_suffixed => u32, - u64_suffixed => u64, - u128_suffixed => u128, - usize_suffixed => usize, - i8_suffixed => i8, - i16_suffixed => i16, - i32_suffixed => i32, - i64_suffixed => i64, - i128_suffixed => i128, - isize_suffixed => isize, - } - - unsuffixed_int_literals! { - u8_unsuffixed => u8, - u16_unsuffixed => u16, - u32_unsuffixed => u32, - u64_unsuffixed => u64, - u128_unsuffixed => u128, - usize_unsuffixed => usize, - i8_unsuffixed => i8, - i16_unsuffixed => i16, - i32_unsuffixed => i32, - i64_unsuffixed => i64, - i128_unsuffixed => i128, - isize_unsuffixed => isize, - } - - /// Creates a new unsuffixed floating-point literal. - /// - /// This constructor is similar to those like `Literal::i8_unsuffixed` where - /// the float's value is emitted directly into the token but no suffix is - /// used, so it may be inferred to be a `f64` later in the compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f32_unsuffixed(n: f32) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - let mut repr = n.to_string(); - if !repr.contains('.') { - repr.push_str(".0"); - } - Literal(bridge::client::Literal::float(&repr)) - } - - /// Creates a new suffixed floating-point literal. - /// - /// This constructor will create a literal like `1.0f32` where the value - /// specified is the preceding part of the token and `f32` is the suffix of - /// the token. This token will always be inferred to be an `f32` in the - /// compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f32_suffixed(n: f32) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - Literal(bridge::client::Literal::f32(&n.to_string())) - } - - /// Creates a new unsuffixed floating-point literal. - /// - /// This constructor is similar to those like `Literal::i8_unsuffixed` where - /// the float's value is emitted directly into the token but no suffix is - /// used, so it may be inferred to be a `f64` later in the compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f64_unsuffixed(n: f64) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - let mut repr = n.to_string(); - if !repr.contains('.') { - repr.push_str(".0"); - } - Literal(bridge::client::Literal::float(&repr)) - } - - /// Creates a new suffixed floating-point literal. - /// - /// This constructor will create a literal like `1.0f64` where the value - /// specified is the preceding part of the token and `f64` is the suffix of - /// the token. This token will always be inferred to be an `f64` in the - /// compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f64_suffixed(n: f64) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - Literal(bridge::client::Literal::f64(&n.to_string())) - } - - /// String literal. - pub fn string(string: &str) -> Literal { - Literal(bridge::client::Literal::string(string)) - } - - /// Character literal. - pub fn character(ch: char) -> Literal { - Literal(bridge::client::Literal::character(ch)) - } - - /// Byte string literal. - pub fn byte_string(bytes: &[u8]) -> Literal { - Literal(bridge::client::Literal::byte_string(bytes)) - } - - /// Returns the span encompassing this literal. - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Configures the span associated for this literal. - pub fn set_span(&mut self, span: Span) { - self.0.set_span(span.0); - } - - /// Returns a `Span` that is a subset of `self.span()` containing only the - /// source bytes in range `range`. Returns `None` if the would-be trimmed - /// span is outside the bounds of `self`. - // FIXME(SergioBenitez): check that the byte range starts and ends at a - // UTF-8 boundary of the source. otherwise, it's likely that a panic will - // occur elsewhere when the source text is printed. - // FIXME(SergioBenitez): there is no way for the user to know what - // `self.span()` actually maps to, so this method can currently only be - // called blindly. For example, `to_string()` for the character 'c' returns - // "'\u{63}'"; there is no way for the user to know whether the source text - // was 'c' or whether it was '\u{63}'. - pub fn subspan<R: RangeBounds<usize>>(&self, range: R) -> Option<Span> { - self.0.subspan(range.start_bound().cloned(), range.end_bound().cloned()).map(Span) - } -} - -/// Parse a single literal from its stringified representation. -/// -/// In order to parse successfully, the input string must not contain anything -/// but the literal token. Specifically, it must not contain whitespace or -/// comments in addition to the literal. -/// -/// The resulting literal token will have a `Span::call_site()` span. -/// -/// NOTE: some errors may cause panics instead of returning `LexError`. We -/// reserve the right to change these errors into `LexError`s later. -impl FromStr for Literal { - type Err = LexError; - - fn from_str(src: &str) -> Result<Self, LexError> { - match bridge::client::Literal::from_str(src) { - Ok(literal) => Ok(Literal(literal)), - Err(()) => Err(LexError), - } - } -} - -/// Prints the literal as a string that should be losslessly convertible -/// back into the same literal (except for possible rounding for floating point literals). -impl fmt::Display for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } -} - -/// Tracked access to environment variables. -pub mod tracked_env { - use std::env::{self, VarError}; - use std::ffi::OsStr; - - /// Retrieve an environment variable and add it to build dependency info. - /// Build system executing the compiler will know that the variable was accessed during - /// compilation, and will be able to rerun the build when the value of that variable changes. - /// Besides the dependency tracking this function should be equivalent to `env::var` from the - /// standard library, except that the argument must be UTF-8. - pub fn var<K: AsRef<OsStr> + AsRef<str>>(key: K) -> Result<String, VarError> { - let key: &str = key.as_ref(); - let value = env::var(key); - super::bridge::client::FreeFunctions::track_env_var(key, value.as_deref().ok()); - value - } -} - -/// Tracked access to additional files. -pub mod tracked_path { - - /// Track a file explicitly. - /// - /// Commonly used for tracking asset preprocessing. - pub fn path<P: AsRef<str>>(path: P) { - let path: &str = path.as_ref(); - super::bridge::client::FreeFunctions::track_path(path); - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/quote.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/quote.rs deleted file mode 100644 index b539ab9c0..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/quote.rs +++ /dev/null @@ -1,140 +0,0 @@ -//! # Quasiquoter -//! This file contains the implementation internals of the quasiquoter provided by `quote!`. - -//! This quasiquoter uses macros 2.0 hygiene to reliably access -//! items from `proc_macro`, to build a `proc_macro::TokenStream`. - -use super::{Delimiter, Group, Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree}; - -macro_rules! quote_tt { - (($($t:tt)*)) => { Group::new(Delimiter::Parenthesis, quote!($($t)*)) }; - ([$($t:tt)*]) => { Group::new(Delimiter::Bracket, quote!($($t)*)) }; - ({$($t:tt)*}) => { Group::new(Delimiter::Brace, quote!($($t)*)) }; - (,) => { Punct::new(',', Spacing::Alone) }; - (.) => { Punct::new('.', Spacing::Alone) }; - (:) => { Punct::new(':', Spacing::Alone) }; - (;) => { Punct::new(';', Spacing::Alone) }; - (!) => { Punct::new('!', Spacing::Alone) }; - (<) => { Punct::new('<', Spacing::Alone) }; - (>) => { Punct::new('>', Spacing::Alone) }; - (&) => { Punct::new('&', Spacing::Alone) }; - (=) => { Punct::new('=', Spacing::Alone) }; - ($i:ident) => { Ident::new(stringify!($i), Span::def_site()) }; -} - -macro_rules! quote_ts { - ((@ $($t:tt)*)) => { $($t)* }; - (::) => { - [ - TokenTree::from(Punct::new(':', Spacing::Joint)), - TokenTree::from(Punct::new(':', Spacing::Alone)), - ].iter() - .cloned() - .map(|mut x| { - x.set_span(Span::def_site()); - x - }) - .collect::<TokenStream>() - }; - ($t:tt) => { TokenTree::from(quote_tt!($t)) }; -} - -/// Simpler version of the real `quote!` macro, implemented solely -/// through `macro_rules`, for bootstrapping the real implementation -/// (see the `quote` function), which does not have access to the -/// real `quote!` macro due to the `proc_macro` crate not being -/// able to depend on itself. -/// -/// Note: supported tokens are a subset of the real `quote!`, but -/// unquoting is different: instead of `$x`, this uses `(@ expr)`. -macro_rules! quote { - () => { TokenStream::new() }; - ($($t:tt)*) => { - [ - $(TokenStream::from(quote_ts!($t)),)* - ].iter().cloned().collect::<TokenStream>() - }; -} - -/// Quote a `TokenStream` into a `TokenStream`. -/// This is the actual implementation of the `quote!()` proc macro. -/// -/// It is loaded by the compiler in `register_builtin_macros`. -pub fn quote(stream: TokenStream) -> TokenStream { - if stream.is_empty() { - return quote!(crate::TokenStream::new()); - } - let proc_macro_crate = quote!(crate); - let mut after_dollar = false; - let tokens = stream - .into_iter() - .filter_map(|tree| { - if after_dollar { - after_dollar = false; - match tree { - TokenTree::Ident(_) => { - return Some(quote!(Into::<crate::TokenStream>::into( - Clone::clone(&(@ tree))),)); - } - TokenTree::Punct(ref tt) if tt.as_char() == '$' => {} - _ => panic!("`$` must be followed by an ident or `$` in `quote!`"), - } - } else if let TokenTree::Punct(ref tt) = tree { - if tt.as_char() == '$' { - after_dollar = true; - return None; - } - } - - Some(quote!(crate::TokenStream::from((@ match tree { - TokenTree::Punct(tt) => quote!(crate::TokenTree::Punct(crate::Punct::new( - (@ TokenTree::from(Literal::character(tt.as_char()))), - (@ match tt.spacing() { - Spacing::Alone => quote!(crate::Spacing::Alone), - Spacing::Joint => quote!(crate::Spacing::Joint), - }), - ))), - TokenTree::Group(tt) => quote!(crate::TokenTree::Group(crate::Group::new( - (@ match tt.delimiter() { - Delimiter::Parenthesis => quote!(crate::Delimiter::Parenthesis), - Delimiter::Brace => quote!(crate::Delimiter::Brace), - Delimiter::Bracket => quote!(crate::Delimiter::Bracket), - Delimiter::None => quote!(crate::Delimiter::None), - }), - (@ quote(tt.stream())), - ))), - TokenTree::Ident(tt) => quote!(crate::TokenTree::Ident(crate::Ident::new( - (@ TokenTree::from(Literal::string(&tt.to_string()))), - (@ quote_span(proc_macro_crate.clone(), tt.span())), - ))), - TokenTree::Literal(tt) => quote!(crate::TokenTree::Literal({ - let mut iter = (@ TokenTree::from(Literal::string(&tt.to_string()))) - .parse::<crate::TokenStream>() - .unwrap() - .into_iter(); - if let (Some(crate::TokenTree::Literal(mut lit)), None) = - (iter.next(), iter.next()) - { - lit.set_span((@ quote_span(proc_macro_crate.clone(), tt.span()))); - lit - } else { - unreachable!() - } - })) - })),)) - }) - .collect::<TokenStream>(); - - if after_dollar { - panic!("unexpected trailing `$` in `quote!`"); - } - - quote!([(@ tokens)].iter().cloned().collect::<crate::TokenStream>()) -} - -/// Quote a `Span` into a `TokenStream`. -/// This is needed to implement a custom quoter. -pub fn quote_span(proc_macro_crate: TokenStream, span: Span) -> TokenStream { - let id = span.save_span(); - quote!((@ proc_macro_crate ) ::Span::recover_proc_macro_span((@ TokenTree::from(Literal::usize_unsuffixed(id))))) -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs deleted file mode 100644 index 22d4ad94f..000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs +++ /dev/null @@ -1,822 +0,0 @@ -//! Rustc proc-macro server implementation with tt -//! -//! Based on idea from <https://github.com/fedochet/rust-proc-macro-expander> -//! The lib-proc-macro server backend is `TokenStream`-agnostic, such that -//! we could provide any TokenStream implementation. -//! The original idea from fedochet is using proc-macro2 as backend, -//! we use tt instead for better integration with RA. -//! -//! FIXME: No span and source file information is implemented yet - -use super::proc_macro::bridge::{self, server}; - -use std::collections::HashMap; -use std::hash::Hash; -use std::ops::Bound; -use std::{ascii, vec::IntoIter}; - -type Group = tt::Subtree; -type TokenTree = tt::TokenTree; -type Punct = tt::Punct; -type Spacing = tt::Spacing; -type Literal = tt::Literal; -type Span = tt::TokenId; - -#[derive(Debug, Clone)] -pub struct TokenStream { - pub token_trees: Vec<TokenTree>, -} - -impl TokenStream { - pub fn new() -> Self { - TokenStream { token_trees: Default::default() } - } - - pub fn with_subtree(subtree: tt::Subtree) -> Self { - if subtree.delimiter.is_some() { - TokenStream { token_trees: vec![TokenTree::Subtree(subtree)] } - } else { - TokenStream { token_trees: subtree.token_trees } - } - } - - pub fn into_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self.token_trees } - } - - pub fn is_empty(&self) -> bool { - self.token_trees.is_empty() - } -} - -/// Creates a token stream containing a single token tree. -impl From<TokenTree> for TokenStream { - fn from(tree: TokenTree) -> TokenStream { - TokenStream { token_trees: vec![tree] } - } -} - -/// Collects a number of token trees into a single stream. -impl FromIterator<TokenTree> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenTree>>(trees: I) -> Self { - trees.into_iter().map(TokenStream::from).collect() - } -} - -/// A "flattening" operation on token streams, collects token trees -/// from multiple token streams into a single stream. -impl FromIterator<TokenStream> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self { - let mut builder = TokenStreamBuilder::new(); - streams.into_iter().for_each(|stream| builder.push(stream)); - builder.build() - } -} - -impl Extend<TokenTree> for TokenStream { - fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, trees: I) { - self.extend(trees.into_iter().map(TokenStream::from)); - } -} - -impl Extend<TokenStream> for TokenStream { - fn extend<I: IntoIterator<Item = TokenStream>>(&mut self, streams: I) { - for item in streams { - for tkn in item { - match tkn { - tt::TokenTree::Subtree(subtree) if subtree.delimiter.is_none() => { - self.token_trees.extend(subtree.token_trees); - } - _ => { - self.token_trees.push(tkn); - } - } - } - } - } -} - -#[derive(Clone)] -pub struct SourceFile { - // FIXME stub -} - -type Level = super::proc_macro::Level; -type LineColumn = super::proc_macro::LineColumn; - -/// A structure representing a diagnostic message and associated children -/// messages. -#[derive(Clone, Debug)] -pub struct Diagnostic { - level: Level, - message: String, - spans: Vec<Span>, - children: Vec<Diagnostic>, -} - -impl Diagnostic { - /// Creates a new diagnostic with the given `level` and `message`. - pub fn new<T: Into<String>>(level: Level, message: T) -> Diagnostic { - Diagnostic { level, message: message.into(), spans: vec![], children: vec![] } - } -} - -// Rustc Server Ident has to be `Copyable` -// We use a stub here for bypassing -#[derive(Hash, Eq, PartialEq, Copy, Clone)] -pub struct IdentId(u32); - -#[derive(Clone, Hash, Eq, PartialEq)] -struct IdentData(tt::Ident); - -#[derive(Default)] -struct IdentInterner { - idents: HashMap<IdentData, u32>, - ident_data: Vec<IdentData>, -} - -impl IdentInterner { - fn intern(&mut self, data: &IdentData) -> u32 { - if let Some(index) = self.idents.get(data) { - return *index; - } - - let index = self.idents.len() as u32; - self.ident_data.push(data.clone()); - self.idents.insert(data.clone(), index); - index - } - - fn get(&self, index: u32) -> &IdentData { - &self.ident_data[index as usize] - } - - #[allow(unused)] - fn get_mut(&mut self, index: u32) -> &mut IdentData { - self.ident_data.get_mut(index as usize).expect("Should be consistent") - } -} - -pub struct TokenStreamBuilder { - acc: TokenStream, -} - -/// Public implementation details for the `TokenStream` type, such as iterators. -pub mod token_stream { - use std::str::FromStr; - - use super::{TokenStream, TokenTree}; - - /// An iterator over `TokenStream`'s `TokenTree`s. - /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, - /// and returns whole groups as token trees. - impl IntoIterator for TokenStream { - type Item = TokenTree; - type IntoIter = super::IntoIter<TokenTree>; - - fn into_iter(self) -> Self::IntoIter { - self.token_trees.into_iter() - } - } - - type LexError = String; - - /// Attempts to break the string into tokens and parse those tokens into a token stream. - /// May fail for a number of reasons, for example, if the string contains unbalanced delimiters - /// or characters not existing in the language. - /// All tokens in the parsed stream get `Span::call_site()` spans. - /// - /// NOTE: some errors may cause panics instead of returning `LexError`. We reserve the right to - /// change these errors into `LexError`s later. - impl FromStr for TokenStream { - type Err = LexError; - - fn from_str(src: &str) -> Result<TokenStream, LexError> { - let (subtree, _token_map) = - mbe::parse_to_token_tree(src).ok_or("Failed to parse from mbe")?; - - let subtree = subtree_replace_token_ids_with_unspecified(subtree); - Ok(TokenStream::with_subtree(subtree)) - } - } - - impl ToString for TokenStream { - fn to_string(&self) -> String { - tt::pretty(&self.token_trees) - } - } - - fn subtree_replace_token_ids_with_unspecified(subtree: tt::Subtree) -> tt::Subtree { - tt::Subtree { - delimiter: subtree - .delimiter - .map(|d| tt::Delimiter { id: tt::TokenId::unspecified(), ..d }), - token_trees: subtree - .token_trees - .into_iter() - .map(token_tree_replace_token_ids_with_unspecified) - .collect(), - } - } - - fn token_tree_replace_token_ids_with_unspecified(tt: tt::TokenTree) -> tt::TokenTree { - match tt { - tt::TokenTree::Leaf(leaf) => { - tt::TokenTree::Leaf(leaf_replace_token_ids_with_unspecified(leaf)) - } - tt::TokenTree::Subtree(subtree) => { - tt::TokenTree::Subtree(subtree_replace_token_ids_with_unspecified(subtree)) - } - } - } - - fn leaf_replace_token_ids_with_unspecified(leaf: tt::Leaf) -> tt::Leaf { - match leaf { - tt::Leaf::Literal(lit) => { - tt::Leaf::Literal(tt::Literal { id: tt::TokenId::unspecified(), ..lit }) - } - tt::Leaf::Punct(punct) => { - tt::Leaf::Punct(tt::Punct { id: tt::TokenId::unspecified(), ..punct }) - } - tt::Leaf::Ident(ident) => { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), ..ident }) - } - } - } -} - -impl TokenStreamBuilder { - fn new() -> TokenStreamBuilder { - TokenStreamBuilder { acc: TokenStream::new() } - } - - fn push(&mut self, stream: TokenStream) { - self.acc.extend(stream.into_iter()) - } - - fn build(self) -> TokenStream { - self.acc - } -} - -pub struct FreeFunctions; - -#[derive(Clone)] -pub struct TokenStreamIter { - trees: IntoIter<TokenTree>, -} - -#[derive(Default)] -pub struct RustAnalyzer { - ident_interner: IdentInterner, - // FIXME: store span information here. -} - -impl server::Types for RustAnalyzer { - type FreeFunctions = FreeFunctions; - type TokenStream = TokenStream; - type TokenStreamBuilder = TokenStreamBuilder; - type TokenStreamIter = TokenStreamIter; - type Group = Group; - type Punct = Punct; - type Ident = IdentId; - type Literal = Literal; - type SourceFile = SourceFile; - type Diagnostic = Diagnostic; - type Span = Span; - type MultiSpan = Vec<Span>; -} - -impl server::FreeFunctions for RustAnalyzer { - fn track_env_var(&mut self, _var: &str, _value: Option<&str>) { - // FIXME: track env var accesses - // https://github.com/rust-lang/rust/pull/71858 - } - fn track_path(&mut self, _path: &str) {} -} - -impl server::TokenStream for RustAnalyzer { - fn new(&mut self) -> Self::TokenStream { - Self::TokenStream::new() - } - - fn is_empty(&mut self, stream: &Self::TokenStream) -> bool { - stream.is_empty() - } - fn from_str(&mut self, src: &str) -> Self::TokenStream { - use std::str::FromStr; - - Self::TokenStream::from_str(src).expect("cannot parse string") - } - fn to_string(&mut self, stream: &Self::TokenStream) -> String { - stream.to_string() - } - fn from_token_tree( - &mut self, - tree: bridge::TokenTree<Self::Group, Self::Punct, Self::Ident, Self::Literal>, - ) -> Self::TokenStream { - match tree { - bridge::TokenTree::Group(group) => { - let tree = TokenTree::from(group); - Self::TokenStream::from_iter(vec![tree]) - } - - bridge::TokenTree::Ident(IdentId(index)) => { - 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::Literal(literal) => { - let leaf = tt::Leaf::from(literal); - let tree = TokenTree::from(leaf); - Self::TokenStream::from_iter(vec![tree]) - } - - bridge::TokenTree::Punct(p) => { - let leaf = tt::Leaf::from(p); - let tree = TokenTree::from(leaf); - Self::TokenStream::from_iter(vec![tree]) - } - } - } - - fn into_iter(&mut self, stream: Self::TokenStream) -> Self::TokenStreamIter { - let trees: Vec<TokenTree> = stream.into_iter().collect(); - TokenStreamIter { trees: trees.into_iter() } - } - - fn expand_expr(&mut self, self_: &Self::TokenStream) -> Result<Self::TokenStream, ()> { - Ok(self_.clone()) - } -} - -impl server::TokenStreamBuilder for RustAnalyzer { - fn new(&mut self) -> Self::TokenStreamBuilder { - Self::TokenStreamBuilder::new() - } - fn push(&mut self, builder: &mut Self::TokenStreamBuilder, stream: Self::TokenStream) { - builder.push(stream) - } - fn build(&mut self, builder: Self::TokenStreamBuilder) -> Self::TokenStream { - builder.build() - } -} - -impl server::TokenStreamIter for RustAnalyzer { - fn next( - &mut self, - iter: &mut Self::TokenStreamIter, - ) -> Option<bridge::TokenTree<Self::Group, Self::Punct, Self::Ident, Self::Literal>> { - iter.trees.next().map(|tree| match tree { - TokenTree::Subtree(group) => bridge::TokenTree::Group(group), - TokenTree::Leaf(tt::Leaf::Ident(ident)) => { - bridge::TokenTree::Ident(IdentId(self.ident_interner.intern(&IdentData(ident)))) - } - TokenTree::Leaf(tt::Leaf::Literal(literal)) => bridge::TokenTree::Literal(literal), - TokenTree::Leaf(tt::Leaf::Punct(punct)) => bridge::TokenTree::Punct(punct), - }) - } -} - -fn delim_to_internal(d: bridge::Delimiter) -> Option<tt::Delimiter> { - let kind = match d { - bridge::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis, - bridge::Delimiter::Brace => tt::DelimiterKind::Brace, - bridge::Delimiter::Bracket => tt::DelimiterKind::Bracket, - bridge::Delimiter::None => return None, - }; - Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }) -} - -fn delim_to_external(d: Option<tt::Delimiter>) -> bridge::Delimiter { - match d.map(|it| it.kind) { - Some(tt::DelimiterKind::Parenthesis) => bridge::Delimiter::Parenthesis, - Some(tt::DelimiterKind::Brace) => bridge::Delimiter::Brace, - Some(tt::DelimiterKind::Bracket) => bridge::Delimiter::Bracket, - None => bridge::Delimiter::None, - } -} - -fn spacing_to_internal(spacing: bridge::Spacing) -> Spacing { - match spacing { - bridge::Spacing::Alone => Spacing::Alone, - bridge::Spacing::Joint => Spacing::Joint, - } -} - -fn spacing_to_external(spacing: Spacing) -> bridge::Spacing { - match spacing { - Spacing::Alone => bridge::Spacing::Alone, - Spacing::Joint => bridge::Spacing::Joint, - } -} - -impl server::Group for RustAnalyzer { - fn new(&mut self, delimiter: bridge::Delimiter, stream: Self::TokenStream) -> Self::Group { - Self::Group { delimiter: delim_to_internal(delimiter), token_trees: stream.token_trees } - } - fn delimiter(&mut self, group: &Self::Group) -> bridge::Delimiter { - delim_to_external(group.delimiter) - } - - // NOTE: Return value of do not include delimiter - fn stream(&mut self, group: &Self::Group) -> Self::TokenStream { - TokenStream { token_trees: group.token_trees.clone() } - } - - fn span(&mut self, group: &Self::Group) -> Self::Span { - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) - } - - fn set_span(&mut self, group: &mut Self::Group, span: Self::Span) { - if let Some(delim) = &mut group.delimiter { - delim.id = span; - } - } - - fn span_open(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) - } - - fn span_close(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) - } -} - -impl server::Punct for RustAnalyzer { - fn new(&mut self, ch: char, spacing: bridge::Spacing) -> Self::Punct { - tt::Punct { - char: ch, - spacing: spacing_to_internal(spacing), - id: tt::TokenId::unspecified(), - } - } - fn as_char(&mut self, punct: Self::Punct) -> char { - punct.char - } - fn spacing(&mut self, punct: Self::Punct) -> bridge::Spacing { - spacing_to_external(punct.spacing) - } - fn span(&mut self, punct: Self::Punct) -> Self::Span { - punct.id - } - fn with_span(&mut self, punct: Self::Punct, span: Self::Span) -> Self::Punct { - tt::Punct { id: span, ..punct } - } -} - -impl server::Ident for RustAnalyzer { - fn new(&mut self, string: &str, span: Self::Span, is_raw: bool) -> Self::Ident { - IdentId(self.ident_interner.intern(&IdentData(tt::Ident::new_with_is_raw( - string.into(), - span, - is_raw, - )))) - } - - fn span(&mut self, ident: Self::Ident) -> Self::Span { - self.ident_interner.get(ident.0).0.id - } - fn with_span(&mut self, ident: Self::Ident, span: Self::Span) -> Self::Ident { - let data = self.ident_interner.get(ident.0); - let new = IdentData(tt::Ident { id: span, ..data.0.clone() }); - IdentId(self.ident_interner.intern(&new)) - } -} - -impl server::Literal for RustAnalyzer { - fn debug_kind(&mut self, _literal: &Self::Literal) -> String { - // r-a: debug_kind and suffix are unsupported; corresponding client code has been changed to not call these. - // They must still be present to be ABI-compatible and work with upstream proc_macro. - "".to_owned() - } - fn from_str(&mut self, s: &str) -> Result<Self::Literal, ()> { - Ok(Literal { text: s.into(), id: tt::TokenId::unspecified() }) - } - fn symbol(&mut self, literal: &Self::Literal) -> String { - literal.text.to_string() - } - fn suffix(&mut self, _literal: &Self::Literal) -> Option<String> { - None - } - - fn to_string(&mut self, literal: &Self::Literal) -> String { - literal.to_string() - } - - fn integer(&mut self, n: &str) -> Self::Literal { - let n = match n.parse::<i128>() { - Ok(n) => n.to_string(), - Err(_) => n.parse::<u128>().unwrap().to_string(), - }; - Literal { text: n.into(), id: tt::TokenId::unspecified() } - } - - fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal { - macro_rules! def_suffixed_integer { - ($kind:ident, $($ty:ty),*) => { - match $kind { - $( - stringify!($ty) => { - let n: $ty = n.parse().unwrap(); - format!(concat!("{}", stringify!($ty)), n) - } - )* - _ => unimplemented!("unknown args for typed_integer: n {}, kind {}", n, $kind), - } - } - } - - let text = def_suffixed_integer! {kind, u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize}; - - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn float(&mut self, n: &str) -> Self::Literal { - let n: f64 = n.parse().unwrap(); - let mut text = f64::to_string(&n); - if !text.contains('.') { - text += ".0" - } - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn f32(&mut self, n: &str) -> Self::Literal { - let n: f32 = n.parse().unwrap(); - let text = format!("{n}f32"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn f64(&mut self, n: &str) -> Self::Literal { - let n: f64 = n.parse().unwrap(); - let text = format!("{n}f64"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn string(&mut self, string: &str) -> Self::Literal { - let mut escaped = String::new(); - for ch in string.chars() { - escaped.extend(ch.escape_debug()); - } - Literal { text: format!("\"{escaped}\"").into(), id: tt::TokenId::unspecified() } - } - - fn character(&mut self, ch: char) -> Self::Literal { - Literal { text: format!("'{ch}'").into(), id: tt::TokenId::unspecified() } - } - - fn byte_string(&mut self, bytes: &[u8]) -> Self::Literal { - let string = bytes - .iter() - .cloned() - .flat_map(ascii::escape_default) - .map(Into::<char>::into) - .collect::<String>(); - - Literal { text: format!("b\"{string}\"").into(), id: tt::TokenId::unspecified() } - } - - fn span(&mut self, literal: &Self::Literal) -> Self::Span { - literal.id - } - - fn set_span(&mut self, literal: &mut Self::Literal, span: Self::Span) { - literal.id = span; - } - - fn subspan( - &mut self, - _literal: &Self::Literal, - _start: Bound<usize>, - _end: Bound<usize>, - ) -> Option<Self::Span> { - // FIXME handle span - None - } -} - -impl server::SourceFile for RustAnalyzer { - // FIXME these are all stubs - fn eq(&mut self, _file1: &Self::SourceFile, _file2: &Self::SourceFile) -> bool { - true - } - fn path(&mut self, _file: &Self::SourceFile) -> String { - String::new() - } - fn is_real(&mut self, _file: &Self::SourceFile) -> bool { - true - } -} - -impl server::Diagnostic for RustAnalyzer { - fn new(&mut self, level: Level, msg: &str, spans: Self::MultiSpan) -> Self::Diagnostic { - let mut diag = Diagnostic::new(level, msg); - diag.spans = spans; - diag - } - - fn sub( - &mut self, - _diag: &mut Self::Diagnostic, - _level: Level, - _msg: &str, - _spans: Self::MultiSpan, - ) { - // FIXME handle diagnostic - // - } - - fn emit(&mut self, _diag: Self::Diagnostic) { - // FIXME handle diagnostic - // diag.emit() - } -} - -impl server::Span for RustAnalyzer { - fn debug(&mut self, span: Self::Span) -> String { - format!("{:?}", span.0) - } - fn def_site(&mut self) -> Self::Span { - // MySpan(self.span_interner.intern(&MySpanData(Span::def_site()))) - // FIXME handle span - tt::TokenId::unspecified() - } - fn call_site(&mut self) -> Self::Span { - // MySpan(self.span_interner.intern(&MySpanData(Span::call_site()))) - // FIXME handle span - tt::TokenId::unspecified() - } - fn source_file(&mut self, _span: Self::Span) -> Self::SourceFile { - SourceFile {} - } - fn save_span(&mut self, _span: Self::Span) -> usize { - // FIXME stub - 0 - } - fn recover_proc_macro_span(&mut self, _id: usize) -> Self::Span { - // FIXME stub - tt::TokenId::unspecified() - } - /// Recent feature, not yet in the proc_macro - /// - /// See PR: - /// https://github.com/rust-lang/rust/pull/55780 - fn source_text(&mut self, _span: Self::Span) -> Option<String> { - None - } - - fn parent(&mut self, _span: Self::Span) -> Option<Self::Span> { - // FIXME handle span - None - } - fn source(&mut self, span: Self::Span) -> Self::Span { - // FIXME handle span - span - } - fn start(&mut self, _span: Self::Span) -> LineColumn { - // FIXME handle span - LineColumn { line: 0, column: 0 } - } - fn end(&mut self, _span: Self::Span) -> LineColumn { - // FIXME handle span - LineColumn { line: 0, column: 0 } - } - fn join(&mut self, first: Self::Span, _second: Self::Span) -> Option<Self::Span> { - // Just return the first span again, because some macros will unwrap the result. - Some(first) - } - fn resolved_at(&mut self, _span: Self::Span, _at: Self::Span) -> Self::Span { - // FIXME handle span - tt::TokenId::unspecified() - } - - fn mixed_site(&mut self) -> Self::Span { - // FIXME handle span - tt::TokenId::unspecified() - } - - fn after(&mut self, _self_: Self::Span) -> Self::Span { - tt::TokenId::unspecified() - } - - fn before(&mut self, _self_: Self::Span) -> Self::Span { - tt::TokenId::unspecified() - } -} - -impl server::MultiSpan for RustAnalyzer { - fn new(&mut self) -> Self::MultiSpan { - // FIXME handle span - vec![] - } - - fn push(&mut self, other: &mut Self::MultiSpan, span: Self::Span) { - //TODP - other.push(span) - } -} - -#[cfg(test)] -mod tests { - use super::super::proc_macro::bridge::server::Literal; - use super::*; - - #[test] - fn test_ra_server_literals() { - let mut srv = RustAnalyzer { ident_interner: IdentInterner::default() }; - assert_eq!(srv.integer("1234").text, "1234"); - - assert_eq!(srv.typed_integer("12", "u8").text, "12u8"); - assert_eq!(srv.typed_integer("255", "u16").text, "255u16"); - assert_eq!(srv.typed_integer("1234", "u32").text, "1234u32"); - assert_eq!(srv.typed_integer("15846685", "u64").text, "15846685u64"); - assert_eq!(srv.typed_integer("15846685258", "u128").text, "15846685258u128"); - assert_eq!(srv.typed_integer("156788984", "usize").text, "156788984usize"); - assert_eq!(srv.typed_integer("127", "i8").text, "127i8"); - assert_eq!(srv.typed_integer("255", "i16").text, "255i16"); - assert_eq!(srv.typed_integer("1234", "i32").text, "1234i32"); - assert_eq!(srv.typed_integer("15846685", "i64").text, "15846685i64"); - assert_eq!(srv.typed_integer("15846685258", "i128").text, "15846685258i128"); - assert_eq!(srv.float("0").text, "0.0"); - assert_eq!(srv.float("15684.5867").text, "15684.5867"); - assert_eq!(srv.f32("15684.58").text, "15684.58f32"); - assert_eq!(srv.f64("15684.58").text, "15684.58f64"); - - assert_eq!(srv.string("hello_world").text, "\"hello_world\""); - assert_eq!(srv.character('c').text, "'c'"); - assert_eq!(srv.byte_string(b"1234586\x88").text, "b\"1234586\\x88\""); - - // u128::max - assert_eq!( - srv.integer("340282366920938463463374607431768211455").text, - "340282366920938463463374607431768211455" - ); - // i128::min - assert_eq!( - srv.integer("-170141183460469231731687303715884105728").text, - "-170141183460469231731687303715884105728" - ); - } - - #[test] - fn test_ra_server_to_string() { - let s = TokenStream { - token_trees: vec![ - tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "struct".into(), - id: tt::TokenId::unspecified(), - })), - tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "T".into(), - id: tt::TokenId::unspecified(), - })), - tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), - kind: tt::DelimiterKind::Brace, - }), - token_trees: vec![], - }), - ], - }; - - assert_eq!(s.to_string(), "struct T {}"); - } - - #[test] - fn test_ra_server_from_str() { - use std::str::FromStr; - let subtree_paren_a = tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), - kind: tt::DelimiterKind::Parenthesis, - }), - token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "a".into(), - id: tt::TokenId::unspecified(), - }))], - }); - - let t1 = TokenStream::from_str("(a)").unwrap(); - assert_eq!(t1.token_trees.len(), 1); - assert_eq!(t1.token_trees[0], subtree_paren_a); - - let t2 = TokenStream::from_str("(a);").unwrap(); - assert_eq!(t2.token_trees.len(), 2); - assert_eq!(t2.token_trees[0], subtree_paren_a); - - let underscore = TokenStream::from_str("_").unwrap(); - assert_eq!( - underscore.token_trees[0], - tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "_".into(), - id: tt::TokenId::unspecified(), - })) - ); - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs index 76e89e319..93805c893 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs @@ -11,6 +11,7 @@ mod ra_server; use libloading::Library; use proc_macro_api::ProcMacroKind; +use super::tt; use super::PanicMessage; pub use ra_server::TokenStream; diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs index 7ab1f421d..89bd10da5 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs @@ -124,8 +124,8 @@ impl FromStr for TokenStream { /// into the same token stream (modulo spans), except for possibly `TokenTree::Group`s /// with `Delimiter::None` delimiters and negative numeric literals. impl fmt::Display for TokenStream { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -572,8 +572,8 @@ impl From<Literal> for TokenTree { /// into the same token tree (modulo spans), except for possibly `TokenTree::Group`s /// with `Delimiter::None` delimiters and negative numeric literals. impl fmt::Display for TokenTree { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -669,8 +669,8 @@ impl Group { /// into the same group (modulo spans), except for possibly `TokenTree::Group`s /// with `Delimiter::None` delimiters. impl fmt::Display for Group { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -743,8 +743,8 @@ impl Punct { /// Prints the punctuation character as a string that should be losslessly convertible /// back into the same character. impl fmt::Display for Punct { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -821,8 +821,8 @@ impl Ident { /// Prints the identifier as a string that should be losslessly convertible /// back into the same identifier. impl fmt::Display for Ident { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -1064,8 +1064,8 @@ impl FromStr for Literal { /// Prints the literal as a string that should be losslessly convertible /// back into the same literal (except for possible rounding for floating point literals). impl fmt::Display for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs index f82f20c37..30baf3a13 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs @@ -15,6 +15,8 @@ use std::hash::Hash; use std::ops::Bound; use std::{ascii, vec::IntoIter}; +use crate::tt; + type Group = tt::Subtree; type TokenTree = tt::TokenTree; type Punct = tt::Punct; @@ -33,7 +35,7 @@ impl TokenStream { } pub fn with_subtree(subtree: tt::Subtree) -> Self { - if subtree.delimiter.is_some() { + if subtree.delimiter.kind != tt::DelimiterKind::Invisible { TokenStream { token_trees: vec![TokenTree::Subtree(subtree)] } } else { TokenStream { token_trees: subtree.token_trees } @@ -41,7 +43,7 @@ impl TokenStream { } pub fn into_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self.token_trees } + tt::Subtree { delimiter: tt::Delimiter::UNSPECIFIED, token_trees: self.token_trees } } pub fn is_empty(&self) -> bool { @@ -84,7 +86,9 @@ impl Extend<TokenStream> for TokenStream { for item in streams { for tkn in item { match tkn { - tt::TokenTree::Subtree(subtree) if subtree.delimiter.is_none() => { + tt::TokenTree::Subtree(subtree) + if subtree.delimiter.kind == tt::DelimiterKind::Invisible => + { self.token_trees.extend(subtree.token_trees); } _ => { @@ -165,7 +169,7 @@ pub struct TokenStreamBuilder { pub mod token_stream { use std::str::FromStr; - use super::{TokenStream, TokenTree}; + use super::{tt, TokenStream, TokenTree}; /// An iterator over `TokenStream`'s `TokenTree`s. /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, @@ -202,15 +206,17 @@ pub mod token_stream { impl ToString for TokenStream { fn to_string(&self) -> String { - tt::pretty(&self.token_trees) + ::tt::pretty(&self.token_trees) } } fn subtree_replace_token_ids_with_unspecified(subtree: tt::Subtree) -> tt::Subtree { tt::Subtree { - delimiter: subtree - .delimiter - .map(|d| tt::Delimiter { id: tt::TokenId::unspecified(), ..d }), + delimiter: tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, + ..subtree.delimiter + }, token_trees: subtree .token_trees .into_iter() @@ -233,13 +239,13 @@ pub mod token_stream { fn leaf_replace_token_ids_with_unspecified(leaf: tt::Leaf) -> tt::Leaf { match leaf { tt::Leaf::Literal(lit) => { - tt::Leaf::Literal(tt::Literal { id: tt::TokenId::unspecified(), ..lit }) + tt::Leaf::Literal(tt::Literal { span: tt::TokenId::unspecified(), ..lit }) } tt::Leaf::Punct(punct) => { - tt::Leaf::Punct(tt::Punct { id: tt::TokenId::unspecified(), ..punct }) + tt::Leaf::Punct(tt::Punct { span: tt::TokenId::unspecified(), ..punct }) } tt::Leaf::Ident(ident) => { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), ..ident }) + tt::Leaf::Ident(tt::Ident { span: tt::TokenId::unspecified(), ..ident }) } } } @@ -389,22 +395,22 @@ impl server::TokenStream for RustAnalyzer { } } -fn delim_to_internal(d: bridge::Delimiter) -> Option<tt::Delimiter> { +fn delim_to_internal(d: bridge::Delimiter) -> tt::Delimiter { let kind = match d { bridge::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis, bridge::Delimiter::Brace => tt::DelimiterKind::Brace, bridge::Delimiter::Bracket => tt::DelimiterKind::Bracket, - bridge::Delimiter::None => return None, + bridge::Delimiter::None => tt::DelimiterKind::Invisible, }; - Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }) + tt::Delimiter { open: tt::TokenId::unspecified(), close: tt::TokenId::unspecified(), kind } } -fn delim_to_external(d: Option<tt::Delimiter>) -> bridge::Delimiter { - match d.map(|it| it.kind) { - Some(tt::DelimiterKind::Parenthesis) => bridge::Delimiter::Parenthesis, - Some(tt::DelimiterKind::Brace) => bridge::Delimiter::Brace, - Some(tt::DelimiterKind::Bracket) => bridge::Delimiter::Bracket, - None => bridge::Delimiter::None, +fn delim_to_external(d: tt::Delimiter) -> bridge::Delimiter { + match d.kind { + tt::DelimiterKind::Parenthesis => bridge::Delimiter::Parenthesis, + tt::DelimiterKind::Brace => bridge::Delimiter::Brace, + tt::DelimiterKind::Bracket => bridge::Delimiter::Bracket, + tt::DelimiterKind::Invisible => bridge::Delimiter::None, } } @@ -443,23 +449,19 @@ impl server::Group for RustAnalyzer { } fn span(&mut self, group: &Self::Group) -> Self::Span { - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) + group.delimiter.open } fn set_span(&mut self, group: &mut Self::Group, span: Self::Span) { - if let Some(delim) = &mut group.delimiter { - delim.id = span; - } + group.delimiter.open = span; } fn span_open(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) + group.delimiter.open } fn span_close(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) + group.delimiter.close } } @@ -468,7 +470,7 @@ impl server::Punct for RustAnalyzer { tt::Punct { char: ch, spacing: spacing_to_internal(spacing), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), } } fn as_char(&mut self, punct: Self::Punct) -> char { @@ -478,28 +480,27 @@ impl server::Punct for RustAnalyzer { spacing_to_external(punct.spacing) } fn span(&mut self, punct: Self::Punct) -> Self::Span { - punct.id + punct.span } fn with_span(&mut self, punct: Self::Punct, span: Self::Span) -> Self::Punct { - tt::Punct { id: span, ..punct } + tt::Punct { span: span, ..punct } } } impl server::Ident for RustAnalyzer { fn new(&mut self, string: &str, span: Self::Span, is_raw: bool) -> Self::Ident { - IdentId(self.ident_interner.intern(&IdentData(tt::Ident::new_with_is_raw( - string.into(), + IdentId(self.ident_interner.intern(&IdentData(tt::Ident { + text: if is_raw { ::tt::SmolStr::from_iter(["r#", string]) } else { string.into() }, span, - is_raw, - )))) + }))) } fn span(&mut self, ident: Self::Ident) -> Self::Span { - self.ident_interner.get(ident.0).0.id + self.ident_interner.get(ident.0).0.span } fn with_span(&mut self, ident: Self::Ident, span: Self::Span) -> Self::Ident { let data = self.ident_interner.get(ident.0); - let new = IdentData(tt::Ident { id: span, ..data.0.clone() }); + let new = IdentData(tt::Ident { span: span, ..data.0.clone() }); IdentId(self.ident_interner.intern(&new)) } } @@ -511,7 +512,7 @@ impl server::Literal for RustAnalyzer { "".to_owned() } fn from_str(&mut self, s: &str) -> Result<Self::Literal, ()> { - Ok(Literal { text: s.into(), id: tt::TokenId::unspecified() }) + Ok(Literal { text: s.into(), span: tt::TokenId::unspecified() }) } fn symbol(&mut self, literal: &Self::Literal) -> String { literal.text.to_string() @@ -529,7 +530,7 @@ impl server::Literal for RustAnalyzer { Ok(n) => n.to_string(), Err(_) => n.parse::<u128>().unwrap().to_string(), }; - Literal { text: n.into(), id: tt::TokenId::unspecified() } + Literal { text: n.into(), span: tt::TokenId::unspecified() } } fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal { @@ -549,7 +550,7 @@ impl server::Literal for RustAnalyzer { let text = def_suffixed_integer! {kind, u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize}; - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn float(&mut self, n: &str) -> Self::Literal { @@ -558,19 +559,19 @@ impl server::Literal for RustAnalyzer { if !text.contains('.') { text += ".0" } - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn f32(&mut self, n: &str) -> Self::Literal { let n: f32 = n.parse().unwrap(); let text = format!("{n}f32"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn f64(&mut self, n: &str) -> Self::Literal { let n: f64 = n.parse().unwrap(); let text = format!("{n}f64"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn string(&mut self, string: &str) -> Self::Literal { @@ -578,11 +579,11 @@ impl server::Literal for RustAnalyzer { for ch in string.chars() { escaped.extend(ch.escape_debug()); } - Literal { text: format!("\"{escaped}\"").into(), id: tt::TokenId::unspecified() } + Literal { text: format!("\"{escaped}\"").into(), span: tt::TokenId::unspecified() } } fn character(&mut self, ch: char) -> Self::Literal { - Literal { text: format!("'{ch}'").into(), id: tt::TokenId::unspecified() } + Literal { text: format!("'{ch}'").into(), span: tt::TokenId::unspecified() } } fn byte_string(&mut self, bytes: &[u8]) -> Self::Literal { @@ -593,15 +594,15 @@ impl server::Literal for RustAnalyzer { .map(Into::<char>::into) .collect::<String>(); - Literal { text: format!("b\"{string}\"").into(), id: tt::TokenId::unspecified() } + Literal { text: format!("b\"{string}\"").into(), span: tt::TokenId::unspecified() } } fn span(&mut self, literal: &Self::Literal) -> Self::Span { - literal.id + literal.span } fn set_span(&mut self, literal: &mut Self::Literal, span: Self::Span) { - literal.id = span; + literal.span = span; } fn subspan( @@ -784,17 +785,18 @@ mod tests { token_trees: vec![ tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "struct".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "T".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Brace, - }), + }, token_trees: vec![], }), ], @@ -807,13 +809,14 @@ mod tests { fn test_ra_server_from_str() { use std::str::FromStr; let subtree_paren_a = tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Parenthesis, - }), + }, token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "a".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }); @@ -830,7 +833,7 @@ mod tests { underscore.token_trees[0], tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "_".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) ); } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs index 243972b04..0a3b8866a 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs @@ -9,7 +9,7 @@ mod ra_server; use libloading::Library; use proc_macro_api::ProcMacroKind; -use super::PanicMessage; +use super::{tt, PanicMessage}; pub use ra_server::TokenStream; diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs index 068f79f82..d258a0247 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs @@ -22,6 +22,8 @@ pub use symbol::*; use std::ops::Bound; +use crate::tt; + type Group = tt::Subtree; type TokenTree = tt::TokenTree; type Punct = tt::Punct; @@ -108,8 +110,9 @@ impl server::TokenStream for RustAnalyzer { bridge::TokenTree::Ident(ident) => { let text = ident.sym.text(); - let text = if ident.is_raw { tt::SmolStr::from_iter(["r#", &text]) } else { text }; - let ident: tt::Ident = tt::Ident { text, id: ident.span }; + let text = + if ident.is_raw { ::tt::SmolStr::from_iter(["r#", &text]) } else { text }; + let ident: tt::Ident = tt::Ident { text, span: ident.span }; let leaf = tt::Leaf::from(ident); let tree = TokenTree::from(leaf); Self::TokenStream::from_iter(vec![tree]) @@ -118,9 +121,9 @@ impl server::TokenStream for RustAnalyzer { bridge::TokenTree::Literal(literal) => { let literal = LiteralFormatter(literal); let text = literal - .with_stringify_parts(|parts| tt::SmolStr::from_iter(parts.iter().copied())); + .with_stringify_parts(|parts| ::tt::SmolStr::from_iter(parts.iter().copied())); - let literal = tt::Literal { text, id: literal.0.span }; + let literal = tt::Literal { text, span: literal.0.span }; let leaf = tt::Leaf::from(literal); let tree = TokenTree::from(leaf); Self::TokenStream::from_iter(vec![tree]) @@ -130,7 +133,7 @@ impl server::TokenStream for RustAnalyzer { let punct = tt::Punct { char: p.ch as char, spacing: if p.joint { Spacing::Joint } else { Spacing::Alone }, - id: p.span, + span: p.span, }; let leaf = tt::Leaf::from(punct); let tree = TokenTree::from(leaf); @@ -184,7 +187,7 @@ impl server::TokenStream for RustAnalyzer { bridge::TokenTree::Ident(bridge::Ident { sym: Symbol::intern(ident.text.trim_start_matches("r#")), is_raw: ident.text.starts_with("r#"), - span: ident.id, + span: ident.span, }) } tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => { @@ -194,14 +197,14 @@ impl server::TokenStream for RustAnalyzer { symbol: Symbol::intern(&lit.text), // FIXME: handle suffixes suffix: None, - span: lit.id, + span: lit.span, }) } tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) => { bridge::TokenTree::Punct(bridge::Punct { ch: punct.char as u8, joint: punct.spacing == Spacing::Joint, - span: punct.id, + span: punct.span, }) } tt::TokenTree::Subtree(subtree) => bridge::TokenTree::Group(bridge::Group { @@ -211,31 +214,29 @@ impl server::TokenStream for RustAnalyzer { } else { Some(subtree.token_trees.into_iter().collect()) }, - span: bridge::DelimSpan::from_single( - subtree.delimiter.map_or(Span::unspecified(), |del| del.id), - ), + span: bridge::DelimSpan::from_single(subtree.delimiter.open), }), }) .collect() } } -fn delim_to_internal(d: proc_macro::Delimiter) -> Option<tt::Delimiter> { +fn delim_to_internal(d: proc_macro::Delimiter) -> tt::Delimiter { let kind = match d { proc_macro::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis, proc_macro::Delimiter::Brace => tt::DelimiterKind::Brace, proc_macro::Delimiter::Bracket => tt::DelimiterKind::Bracket, - proc_macro::Delimiter::None => return None, + proc_macro::Delimiter::None => tt::DelimiterKind::Invisible, }; - Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }) + tt::Delimiter { open: tt::TokenId::unspecified(), close: tt::TokenId::unspecified(), kind } } -fn delim_to_external(d: Option<tt::Delimiter>) -> proc_macro::Delimiter { - match d.map(|it| it.kind) { - Some(tt::DelimiterKind::Parenthesis) => proc_macro::Delimiter::Parenthesis, - Some(tt::DelimiterKind::Brace) => proc_macro::Delimiter::Brace, - Some(tt::DelimiterKind::Bracket) => proc_macro::Delimiter::Bracket, - None => proc_macro::Delimiter::None, +fn delim_to_external(d: tt::Delimiter) -> proc_macro::Delimiter { + match d.kind { + tt::DelimiterKind::Parenthesis => proc_macro::Delimiter::Parenthesis, + tt::DelimiterKind::Brace => proc_macro::Delimiter::Brace, + tt::DelimiterKind::Bracket => proc_macro::Delimiter::Bracket, + tt::DelimiterKind::Invisible => proc_macro::Delimiter::None, } } @@ -349,7 +350,7 @@ impl server::Server for RustAnalyzer { } fn intern_symbol(ident: &str) -> Self::Symbol { - Symbol::intern(&tt::SmolStr::from(ident)) + Symbol::intern(&::tt::SmolStr::from(ident)) } fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str)) { @@ -413,17 +414,18 @@ mod tests { token_trees: vec![ tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "struct".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "T".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Brace, - }), + }, token_trees: vec![], }), ], @@ -436,13 +438,14 @@ mod tests { fn test_ra_server_from_str() { use std::str::FromStr; let subtree_paren_a = tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Parenthesis, - }), + }, token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "a".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }); @@ -459,7 +462,7 @@ mod tests { underscore.token_trees[0], tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "_".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) ); } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs index 113bb52c1..d091d4319 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs @@ -1,6 +1,6 @@ //! TokenStream implementation used by sysroot ABI -use tt::TokenTree; +use crate::tt::{self, TokenTree}; #[derive(Debug, Default, Clone)] pub struct TokenStream { @@ -13,7 +13,7 @@ impl TokenStream { } pub fn with_subtree(subtree: tt::Subtree) -> Self { - if subtree.delimiter.is_some() { + if subtree.delimiter.kind != tt::DelimiterKind::Invisible { TokenStream { token_trees: vec![TokenTree::Subtree(subtree)] } } else { TokenStream { token_trees: subtree.token_trees } @@ -21,7 +21,7 @@ impl TokenStream { } pub fn into_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self.token_trees } + tt::Subtree { delimiter: tt::Delimiter::UNSPECIFIED, token_trees: self.token_trees } } pub fn is_empty(&self) -> bool { @@ -64,7 +64,9 @@ impl Extend<TokenStream> for TokenStream { for item in streams { for tkn in item { match tkn { - tt::TokenTree::Subtree(subtree) if subtree.delimiter.is_none() => { + tt::TokenTree::Subtree(subtree) + if subtree.delimiter.kind == tt::DelimiterKind::Invisible => + { self.token_trees.extend(subtree.token_trees); } _ => { @@ -84,7 +86,7 @@ pub struct TokenStreamBuilder { pub mod token_stream { use std::str::FromStr; - use super::{TokenStream, TokenTree}; + use super::{tt, TokenStream, TokenTree}; /// An iterator over `TokenStream`'s `TokenTree`s. /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, @@ -121,15 +123,17 @@ pub mod token_stream { impl ToString for TokenStream { fn to_string(&self) -> String { - tt::pretty(&self.token_trees) + ::tt::pretty(&self.token_trees) } } fn subtree_replace_token_ids_with_unspecified(subtree: tt::Subtree) -> tt::Subtree { tt::Subtree { - delimiter: subtree - .delimiter - .map(|d| tt::Delimiter { id: tt::TokenId::unspecified(), ..d }), + delimiter: tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, + ..subtree.delimiter + }, token_trees: subtree .token_trees .into_iter() @@ -152,13 +156,13 @@ pub mod token_stream { fn leaf_replace_token_ids_with_unspecified(leaf: tt::Leaf) -> tt::Leaf { match leaf { tt::Leaf::Literal(lit) => { - tt::Leaf::Literal(tt::Literal { id: tt::TokenId::unspecified(), ..lit }) + tt::Leaf::Literal(tt::Literal { span: tt::TokenId::unspecified(), ..lit }) } tt::Leaf::Punct(punct) => { - tt::Leaf::Punct(tt::Punct { id: tt::TokenId::unspecified(), ..punct }) + tt::Leaf::Punct(tt::Punct { span: tt::TokenId::unspecified(), ..punct }) } tt::Leaf::Ident(ident) => { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), ..ident }) + tt::Leaf::Ident(tt::Ident { span: tt::TokenId::unspecified(), ..ident }) } } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs index 5b8aca4d8..04be39cff 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs @@ -23,7 +23,6 @@ //! for the relevant versions of the rust compiler //! -mod abi_1_58; mod abi_1_63; #[cfg(feature = "sysroot-abi")] mod abi_sysroot; @@ -36,13 +35,14 @@ include!(concat!(env!("OUT_DIR"), "/rustc_version.rs")); pub(crate) use abi_sysroot::TokenStream as TestTokenStream; 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; #[cfg(feature = "sysroot-abi")] pub(crate) use abi_sysroot::Abi as Abi_Sysroot; use libloading::Library; use proc_macro_api::{ProcMacroKind, RustCInfo}; +use crate::tt; + pub struct PanicMessage { message: Option<String>, } @@ -54,7 +54,6 @@ impl PanicMessage { } pub(crate) enum Abi { - Abi1_58(Abi_1_58), Abi1_63(Abi_1_63), #[cfg(feature = "sysroot-abi")] AbiSysroot(Abi_Sysroot), @@ -109,10 +108,6 @@ impl Abi { // 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) { - (1, 58..=62) => { - let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?; - Ok(Abi::Abi1_58(inner)) - } (1, 63) => { let inner = unsafe { Abi_1_63::from_lib(lib, symbol_name) }?; Ok(Abi::Abi1_63(inner)) @@ -128,7 +123,6 @@ impl Abi { attributes: Option<&tt::Subtree>, ) -> Result<tt::Subtree, PanicMessage> { match self { - Self::Abi1_58(abi) => abi.expand(macro_name, macro_body, attributes), Self::Abi1_63(abi) => abi.expand(macro_name, macro_body, attributes), #[cfg(feature = "sysroot-abi")] Self::AbiSysroot(abi) => abi.expand(macro_name, macro_body, attributes), @@ -137,7 +131,6 @@ impl Abi { pub fn list_macros(&self) -> Vec<(String, ProcMacroKind)> { match self { - Self::Abi1_58(abi) => abi.list_macros(), Self::Abi1_63(abi) => abi.list_macros(), #[cfg(feature = "sysroot-abi")] Self::AbiSysroot(abi) => abi.list_macros(), diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs index f1e131c13..05168feb6 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs @@ -15,6 +15,9 @@ pub fn run() -> io::Result<()> { msg::Response::ListMacros(srv.list_macros(&dylib_path)) } msg::Request::ExpandMacro(task) => msg::Response::ExpandMacro(srv.expand(task)), + msg::Request::ApiVersionCheck {} => { + msg::Response::ApiVersionCheck(proc_macro_api::msg::CURRENT_API_VERSION) + } }; write_response(res)? } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs index 0722cd89d..89ffd1f49 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs @@ -13,6 +13,8 @@ use object::Object; use paths::AbsPath; use proc_macro_api::{read_dylib_info, ProcMacroKind}; +use crate::tt; + use super::abis::Abi; const NEW_REGISTRAR_SYMBOL: &str = "_rustc_proc_macro_decls_"; diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs index 2eb939a7c..ee70fe7d4 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs @@ -37,6 +37,8 @@ use proc_macro_api::{ ProcMacroKind, }; +use ::tt::token_id as tt; + #[derive(Default)] pub(crate) struct ProcMacroSrv { expanders: HashMap<(PathBuf, SystemTime), dylib::Expander>, diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs index 1ccc170f4..04a0ae7bc 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs @@ -8,7 +8,7 @@ use expect_test::expect; #[test] fn test_derive_empty() { - assert_expand("DeriveEmpty", r#"struct S;"#, expect![[r#"SUBTREE $"#]]); + assert_expand("DeriveEmpty", r#"struct S;"#, expect!["SUBTREE $$ 4294967295 4294967295"]); } #[test] @@ -17,10 +17,10 @@ fn test_derive_error() { "DeriveError", r#"struct S;"#, expect![[r##" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT compile_error 4294967295 PUNCH ! [alone] 4294967295 - SUBTREE () 4294967295 + SUBTREE () 4294967295 4294967295 LITERAL "#[derive(DeriveError)] struct S ;" 4294967295 PUNCH ; [alone] 4294967295"##]], ); @@ -32,14 +32,14 @@ fn test_fn_like_macro_noop() { "fn_like_noop", r#"ident, 0, 1, []"#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT ident 4294967295 PUNCH , [alone] 4294967295 LITERAL 0 4294967295 PUNCH , [alone] 4294967295 LITERAL 1 4294967295 PUNCH , [alone] 4294967295 - SUBTREE [] 4294967295"#]], + SUBTREE [] 4294967295 4294967295"#]], ); } @@ -49,10 +49,10 @@ fn test_fn_like_macro_clone_ident_subtree() { "fn_like_clone_tokens", r#"ident, []"#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT ident 4294967295 PUNCH , [alone] 4294967295 - SUBTREE [] 4294967295"#]], + SUBTREE [] 4294967295 4294967295"#]], ); } @@ -62,7 +62,7 @@ fn test_fn_like_macro_clone_raw_ident() { "fn_like_clone_tokens", "r#async", expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT r#async 4294967295"#]], ); } @@ -73,7 +73,7 @@ fn test_fn_like_mk_literals() { "fn_like_mk_literals", r#""#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 LITERAL b"byte_string" 4294967295 LITERAL 'c' 4294967295 LITERAL "string" 4294967295 @@ -90,7 +90,7 @@ fn test_fn_like_mk_idents() { "fn_like_mk_idents", r#""#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT standard 4294967295 IDENT r#raw 4294967295"#]], ); @@ -102,7 +102,7 @@ fn test_fn_like_macro_clone_literals() { "fn_like_clone_tokens", r#"1u16, 2_u32, -4i64, 3.14f32, "hello bridge""#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 LITERAL 1u16 4294967295 PUNCH , [alone] 4294967295 LITERAL 2_u32 4294967295 @@ -126,10 +126,10 @@ fn test_attr_macro() { r#"mod m {}"#, r#"some arguments"#, expect![[r##" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT compile_error 4294967295 PUNCH ! [alone] 4294967295 - SUBTREE () 4294967295 + SUBTREE () 4294967295 4294967295 LITERAL "#[attr_error(some arguments)] mod m {}" 4294967295 PUNCH ; [alone] 4294967295"##]], ); |