Fix imports, delete removed interfaces

This commit is contained in:
Amos Wenger 2022-07-20 18:36:10 +02:00
parent e009cdc8d9
commit 00bc060ba3
2 changed files with 66 additions and 190 deletions

View File

@ -8,16 +8,18 @@
//!
//! FIXME: No span and source file information is implemented yet
use super::proc_macro::bridge::{self, server};
use super::proc_macro::{
self,
bridge::{self, server},
};
mod token_stream;
pub use token_stream::*;
use std::ascii;
use std::collections::HashMap;
use std::hash::Hash;
mod symbol;
pub use symbol::*;
use std::iter::FromIterator;
use std::ops::Bound;
type Group = tt::Subtree;
type TokenTree = tt::TokenTree;
@ -51,42 +53,6 @@ pub fn new<T: Into<String>>(level: Level, message: T) -> Diagnostic {
}
}
// 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 FreeFunctions;
#[derive(Default)]
@ -141,12 +107,13 @@ fn from_token_tree(
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::Ident(symbol) => {
todo!("implement");
// 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) => {
@ -210,7 +177,8 @@ fn into_trees(
.into_iter()
.map(|tree| match tree {
tt::TokenTree::Leaf(tt::Leaf::Ident(ident)) => {
bridge::TokenTree::Ident(IdentId(self.ident_interner.intern(&IdentData(ident))))
todo!("implement");
// bridge::TokenTree::Ident(Symbol(self.ident_interner.intern(&IdentData(ident))))
}
tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => bridge::TokenTree::Literal(lit),
tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) => {
@ -236,162 +204,36 @@ fn into_trees(
}
}
fn delim_to_internal(d: bridge::Delimiter) -> Option<tt::Delimiter> {
fn delim_to_internal(d: proc_macro::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,
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,
};
Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind })
}
fn delim_to_external(d: Option<tt::Delimiter>) -> bridge::Delimiter {
fn delim_to_external(d: Option<tt::Delimiter>) -> proc_macro::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,
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 spacing_to_internal(spacing: bridge::Spacing) -> Spacing {
fn spacing_to_internal(spacing: proc_macro::Spacing) -> Spacing {
match spacing {
bridge::Spacing::Alone => Spacing::Alone,
bridge::Spacing::Joint => Spacing::Joint,
proc_macro::Spacing::Alone => Spacing::Alone,
proc_macro::Spacing::Joint => Spacing::Joint,
}
}
fn spacing_to_external(spacing: Spacing) -> bridge::Spacing {
fn spacing_to_external(spacing: Spacing) -> proc_macro::Spacing {
match spacing {
Spacing::Alone => bridge::Spacing::Alone,
Spacing::Joint => bridge::Spacing::Joint,
}
}
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 { text: string.into(), id: span })))
}
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!("{}f32", n);
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!("{}f64", n);
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
Spacing::Alone => proc_macro::Spacing::Alone,
Spacing::Joint => proc_macro::Spacing::Joint,
}
}

View File

@ -0,0 +1,34 @@
use std::collections::HashMap;
use tt::SmolStr;
// Identifier for an interned symbol.
#[derive(Hash, Eq, PartialEq, Copy, Clone)]
pub struct Symbol(u32);
#[derive(Default)]
struct IdentInterner {
idents: HashMap<SmolStr, u32>,
ident_data: Vec<SmolStr>,
}
impl IdentInterner {
fn intern(&mut self, data: &str) -> Symbol {
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) -> &SmolStr {
&self.ident_data[index as usize]
}
#[allow(unused)]
fn get_mut(&mut self, index: u32) -> &mut SmolStr {
self.ident_data.get_mut(index as usize).expect("Should be consistent")
}
}