diff options
Diffstat (limited to 'src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs')
| -rw-r--r-- | src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs | 822 |
1 files changed, 0 insertions, 822 deletions
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(), - })) - ); - } -} |