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Merge pull request #19257 from Veykril/push-myvwxskworsn

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internal: Cleanup some syntax highlighting things
This commit is contained in:
Lukas Wirth 2025-03-01 17:43:31 +00:00 committed by GitHub
commit 2fabcf01ad
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34 changed files with 486 additions and 591 deletions
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10
crates/hir-def/src/macro_expansion_tests/mod.rs
View File

@ -22,7 +22,7 @@ use hir_expand::{
db::ExpandDatabase,
proc_macro::{ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroKind},
span_map::SpanMapRef,
InFile, MacroCallKind, MacroFileId, MacroFileIdExt,
InFile, MacroCallKind, MacroFileId, MacroFileIdExt, MacroKind,
};
use intern::Symbol;
use itertools::Itertools;
@ -211,7 +211,11 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream
if let Some(src) = src {
if let Some(file_id) = src.file_id.macro_file() {
if file_id.is_attr_macro(&db) || file_id.is_custom_derive(&db) {
if let MacroKind::Derive
| MacroKind::DeriveBuiltIn
| MacroKind::Attr
| MacroKind::AttrBuiltIn = file_id.kind(&db)
{
let call = file_id.call_node(&db);
let mut show_spans = false;
let mut show_ctxt = false;
@ -236,7 +240,7 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream
for impl_id in def_map[local_id].scope.impls() {
let src = impl_id.lookup(&db).source(&db);
if let Some(macro_file) = src.file_id.macro_file() {
if macro_file.is_builtin_derive(&db) {
if let MacroKind::DeriveBuiltIn | MacroKind::Derive = macro_file.kind(&db) {
let pp = pretty_print_macro_expansion(
src.value.syntax().clone(),
db.span_map(macro_file.into()).as_ref(),

10
crates/hir-expand/src/files.rs
View File

@ -10,7 +10,7 @@ use syntax::{AstNode, AstPtr, SyntaxNode, SyntaxNodePtr, SyntaxToken, TextRange,
use crate::{
db::{self, ExpandDatabase},
map_node_range_up, map_node_range_up_rooted, span_for_offset, MacroFileIdExt,
map_node_range_up, map_node_range_up_rooted, span_for_offset, MacroFileIdExt, MacroKind,
};
/// `InFile<T>` stores a value of `T` inside a particular file/syntax tree.
@ -276,7 +276,11 @@ impl<SN: Borrow<SyntaxNode>> InFile<SN> {
HirFileIdRepr::FileId(file_id) => {
return Some(InRealFile { file_id, value: self.value.borrow().clone() })
}
HirFileIdRepr::MacroFile(m) if m.is_attr_macro(db) => m,
HirFileIdRepr::MacroFile(m)
if matches!(m.kind(db), MacroKind::Attr | MacroKind::AttrBuiltIn) =>
{
m
}
_ => return None,
};
@ -453,7 +457,7 @@ impl<N: AstNode> InFile<N> {
}
HirFileIdRepr::MacroFile(m) => m,
};
if !file_id.is_attr_macro(db) {
if !matches!(file_id.kind(db), MacroKind::Attr | MacroKind::AttrBuiltIn) {
return None;
}

54
crates/hir-expand/src/lib.rs
View File

@ -416,6 +416,24 @@ impl HirFileIdExt for HirFileId {
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum MacroKind {
/// `macro_rules!` or Macros 2.0 macro.
Declarative,
/// A built-in function-like macro.
DeclarativeBuiltIn,
/// A custom derive.
Derive,
/// A builtin-in derive.
DeriveBuiltIn,
/// A procedural attribute macro.
Attr,
/// A built-in attribute macro.
AttrBuiltIn,
/// A function-like procedural macro.
ProcMacro,
}
pub trait MacroFileIdExt {
fn is_env_or_option_env(&self, db: &dyn ExpandDatabase) -> bool;
fn is_include_like_macro(&self, db: &dyn ExpandDatabase) -> bool;
@ -427,15 +445,12 @@ pub trait MacroFileIdExt {
fn expansion_info(self, db: &dyn ExpandDatabase) -> ExpansionInfo;
fn is_builtin_derive(&self, db: &dyn ExpandDatabase) -> bool;
fn is_custom_derive(&self, db: &dyn ExpandDatabase) -> bool;
fn kind(&self, db: &dyn ExpandDatabase) -> MacroKind;
/// Return whether this file is an include macro
fn is_include_macro(&self, db: &dyn ExpandDatabase) -> bool;
fn is_eager(&self, db: &dyn ExpandDatabase) -> bool;
/// Return whether this file is an attr macro
fn is_attr_macro(&self, db: &dyn ExpandDatabase) -> bool;
/// Return whether this file is the pseudo expansion of the derive attribute.
/// See [`crate::builtin_attr_macro::derive_attr_expand`].
@ -468,18 +483,18 @@ impl MacroFileIdExt for MacroFileId {
ExpansionInfo::new(db, self)
}
fn is_custom_derive(&self, db: &dyn ExpandDatabase) -> bool {
matches!(
db.lookup_intern_macro_call(self.macro_call_id).def.kind,
MacroDefKind::ProcMacro(_, _, ProcMacroKind::CustomDerive)
)
}
fn is_builtin_derive(&self, db: &dyn ExpandDatabase) -> bool {
matches!(
db.lookup_intern_macro_call(self.macro_call_id).def.kind,
MacroDefKind::BuiltInDerive(..)
)
fn kind(&self, db: &dyn ExpandDatabase) -> MacroKind {
match db.lookup_intern_macro_call(self.macro_call_id).def.kind {
MacroDefKind::Declarative(..) => MacroKind::Declarative,
MacroDefKind::BuiltIn(..) | MacroDefKind::BuiltInEager(..) => {
MacroKind::DeclarativeBuiltIn
}
MacroDefKind::BuiltInDerive(..) => MacroKind::DeriveBuiltIn,
MacroDefKind::ProcMacro(_, _, ProcMacroKind::CustomDerive) => MacroKind::Derive,
MacroDefKind::ProcMacro(_, _, ProcMacroKind::Attr) => MacroKind::Attr,
MacroDefKind::ProcMacro(_, _, ProcMacroKind::Bang) => MacroKind::ProcMacro,
MacroDefKind::BuiltInAttr(..) => MacroKind::AttrBuiltIn,
}
}
fn is_include_macro(&self, db: &dyn ExpandDatabase) -> bool {
@ -507,13 +522,6 @@ impl MacroFileIdExt for MacroFileId {
}
}
fn is_attr_macro(&self, db: &dyn ExpandDatabase) -> bool {
matches!(
db.lookup_intern_macro_call(self.macro_call_id).def.kind,
MacroDefKind::BuiltInAttr(..) | MacroDefKind::ProcMacro(_, _, ProcMacroKind::Attr)
)
}
fn is_derive_attr_pseudo_expansion(&self, db: &dyn ExpandDatabase) -> bool {
let loc = db.lookup_intern_macro_call(self.macro_call_id);
loc.def.is_attribute_derive()

49
crates/hir/src/lib.rs
View File

@ -142,7 +142,7 @@ pub use {
name::Name,
prettify_macro_expansion,
proc_macro::{ProcMacros, ProcMacrosBuilder},
tt, ExpandResult, HirFileId, HirFileIdExt, MacroFileId, MacroFileIdExt,
tt, ExpandResult, HirFileId, HirFileIdExt, MacroFileId, MacroFileIdExt, MacroKind,
},
hir_ty::{
consteval::ConstEvalError,
@ -699,7 +699,10 @@ impl Module {
let source_map = tree_source_maps.impl_(loc.id.value).item();
let node = &tree[loc.id.value];
let file_id = loc.id.file_id();
if file_id.macro_file().is_some_and(|it| it.is_builtin_derive(db.upcast())) {
if file_id
.macro_file()
.is_some_and(|it| it.kind(db.upcast()) == MacroKind::DeriveBuiltIn)
{
// these expansion come from us, diagnosing them is a waste of resources
// FIXME: Once we diagnose the inputs to builtin derives, we should at least extract those diagnostics somehow
continue;
@ -3049,20 +3052,6 @@ impl BuiltinType {
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum MacroKind {
/// `macro_rules!` or Macros 2.0 macro.
Declarative,
/// A built-in or custom derive.
Derive,
/// A built-in function-like macro.
BuiltIn,
/// A procedural attribute macro.
Attr,
/// A function-like procedural macro.
ProcMacro,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct Macro {
pub(crate) id: MacroId,
@ -3093,15 +3082,19 @@ impl Macro {
match self.id {
MacroId::Macro2Id(it) => match it.lookup(db.upcast()).expander {
MacroExpander::Declarative => MacroKind::Declarative,
MacroExpander::BuiltIn(_) | MacroExpander::BuiltInEager(_) => MacroKind::BuiltIn,
MacroExpander::BuiltInAttr(_) => MacroKind::Attr,
MacroExpander::BuiltInDerive(_) => MacroKind::Derive,
MacroExpander::BuiltIn(_) | MacroExpander::BuiltInEager(_) => {
MacroKind::DeclarativeBuiltIn
}
MacroExpander::BuiltInAttr(_) => MacroKind::AttrBuiltIn,
MacroExpander::BuiltInDerive(_) => MacroKind::DeriveBuiltIn,
},
MacroId::MacroRulesId(it) => match it.lookup(db.upcast()).expander {
MacroExpander::Declarative => MacroKind::Declarative,
MacroExpander::BuiltIn(_) | MacroExpander::BuiltInEager(_) => MacroKind::BuiltIn,
MacroExpander::BuiltInAttr(_) => MacroKind::Attr,
MacroExpander::BuiltInDerive(_) => MacroKind::Derive,
MacroExpander::BuiltIn(_) | MacroExpander::BuiltInEager(_) => {
MacroKind::DeclarativeBuiltIn
}
MacroExpander::BuiltInAttr(_) => MacroKind::AttrBuiltIn,
MacroExpander::BuiltInDerive(_) => MacroKind::DeriveBuiltIn,
},
MacroId::ProcMacroId(it) => match it.lookup(db.upcast()).kind {
ProcMacroKind::CustomDerive => MacroKind::Derive,
@ -3112,10 +3105,10 @@ impl Macro {
}
pub fn is_fn_like(&self, db: &dyn HirDatabase) -> bool {
match self.kind(db) {
MacroKind::Declarative | MacroKind::BuiltIn | MacroKind::ProcMacro => true,
MacroKind::Attr | MacroKind::Derive => false,
}
matches!(
self.kind(db),
MacroKind::Declarative | MacroKind::DeclarativeBuiltIn | MacroKind::ProcMacro
)
}
pub fn is_builtin_derive(&self, db: &dyn HirDatabase) -> bool {
@ -3155,11 +3148,11 @@ impl Macro {
}
pub fn is_attr(&self, db: &dyn HirDatabase) -> bool {
matches!(self.kind(db), MacroKind::Attr)
matches!(self.kind(db), MacroKind::Attr | MacroKind::AttrBuiltIn)
}
pub fn is_derive(&self, db: &dyn HirDatabase) -> bool {
matches!(self.kind(db), MacroKind::Derive)
matches!(self.kind(db), MacroKind::Derive | MacroKind::DeriveBuiltIn)
}
}

19
crates/hir/src/semantics.rs
View File

@ -508,9 +508,7 @@ impl<'db> SemanticsImpl<'db> {
})
}
pub fn is_derive_annotated(&self, adt: &ast::Adt) -> bool {
let file_id = self.find_file(adt.syntax()).file_id;
let adt = InFile::new(file_id, adt);
pub fn is_derive_annotated(&self, adt: InFile<&ast::Adt>) -> bool {
self.with_ctx(|ctx| ctx.has_derives(adt))
}
@ -551,10 +549,8 @@ impl<'db> SemanticsImpl<'db> {
res.is_empty().not().then_some(res)
}
pub fn is_attr_macro_call(&self, item: &ast::Item) -> bool {
let file_id = self.find_file(item.syntax()).file_id;
let src = InFile::new(file_id, item);
self.with_ctx(|ctx| ctx.item_to_macro_call(src).is_some())
pub fn is_attr_macro_call(&self, item: InFile<&ast::Item>) -> bool {
self.with_ctx(|ctx| ctx.item_to_macro_call(item).is_some())
}
/// Expand the macro call with a different token tree, mapping the `token_to_map` down into the
@ -1526,8 +1522,13 @@ impl<'db> SemanticsImpl<'db> {
self.analyze(field.syntax())?.resolve_record_pat_field(self.db, field)
}
// FIXME: Replace this with `resolve_macro_call2`
pub fn resolve_macro_call(&self, macro_call: &ast::MacroCall) -> Option<Macro> {
let macro_call = self.find_file(macro_call.syntax()).with_value(macro_call);
self.resolve_macro_call2(macro_call)
}
pub fn resolve_macro_call2(&self, macro_call: InFile<&ast::MacroCall>) -> Option<Macro> {
self.with_ctx(|ctx| {
ctx.macro_call_to_macro_call(macro_call)
.and_then(|call| macro_call_to_macro_id(ctx, call))
@ -1538,8 +1539,8 @@ impl<'db> SemanticsImpl<'db> {
})
}
pub fn is_proc_macro_call(&self, macro_call: &ast::MacroCall) -> bool {
self.resolve_macro_call(macro_call)
pub fn is_proc_macro_call(&self, macro_call: InFile<&ast::MacroCall>) -> bool {
self.resolve_macro_call2(macro_call)
.is_some_and(|m| matches!(m.id, MacroId::ProcMacroId(..)))
}

6
crates/ide-db/src/lib.rs
View File

@ -252,10 +252,10 @@ pub enum SymbolKind {
impl From<hir::MacroKind> for SymbolKind {
fn from(it: hir::MacroKind) -> Self {
match it {
hir::MacroKind::Declarative | hir::MacroKind::BuiltIn => SymbolKind::Macro,
hir::MacroKind::Declarative | hir::MacroKind::DeclarativeBuiltIn => SymbolKind::Macro,
hir::MacroKind::ProcMacro => SymbolKind::ProcMacro,
hir::MacroKind::Derive => SymbolKind::Derive,
hir::MacroKind::Attr => SymbolKind::Attribute,
hir::MacroKind::Derive | hir::MacroKind::DeriveBuiltIn => SymbolKind::Derive,
hir::MacroKind::Attr | hir::MacroKind::AttrBuiltIn => SymbolKind::Attribute,
}
}
}

4
crates/ide-db/src/search.rs
View File

@ -373,7 +373,9 @@ impl Definition {
SearchScope::krate(db, module.krate())
}
}
hir::MacroKind::BuiltIn => SearchScope::crate_graph(db),
hir::MacroKind::AttrBuiltIn
| hir::MacroKind::DeriveBuiltIn
| hir::MacroKind::DeclarativeBuiltIn => SearchScope::crate_graph(db),
hir::MacroKind::Derive | hir::MacroKind::Attr | hir::MacroKind::ProcMacro => {
SearchScope::reverse_dependencies(db, module.krate())
}

5
crates/ide/src/doc_links.rs
View File

@ -635,12 +635,13 @@ fn filename_and_frag_for_def(
}
Definition::Macro(mac) => match mac.kind(db) {
hir::MacroKind::Declarative
| hir::MacroKind::BuiltIn
| hir::MacroKind::AttrBuiltIn
| hir::MacroKind::DeclarativeBuiltIn
| hir::MacroKind::Attr
| hir::MacroKind::ProcMacro => {
format!("macro.{}.html", mac.name(db).as_str())
}
hir::MacroKind::Derive => {
hir::MacroKind::Derive | hir::MacroKind::DeriveBuiltIn => {
format!("derive.{}.html", mac.name(db).as_str())
}
},

10
crates/ide/src/moniker.rs
View File

@ -184,11 +184,11 @@ pub(crate) fn def_to_kind(db: &RootDatabase, def: Definition) -> SymbolInformati
match def {
Definition::Macro(it) => match it.kind(db) {
MacroKind::Declarative => Macro,
MacroKind::Derive => Attribute,
MacroKind::BuiltIn => Macro,
MacroKind::Attr => Attribute,
MacroKind::ProcMacro => Macro,
MacroKind::Derive
| MacroKind::DeriveBuiltIn
| MacroKind::AttrBuiltIn
| MacroKind::Attr => Attribute,
MacroKind::Declarative | MacroKind::DeclarativeBuiltIn | MacroKind::ProcMacro => Macro,
},
Definition::Field(..) | Definition::TupleField(..) => Field,
Definition::Module(..) | Definition::Crate(..) => Module,

345
crates/ide/src/syntax_highlighting.rs
View File

@ -7,7 +7,6 @@ mod escape;
mod format;
mod highlight;
mod inject;
mod macro_;
mod html;
#[cfg(test)]
@ -15,14 +14,14 @@ mod tests;
use std::ops::ControlFlow;
use hir::{InRealFile, Name, Semantics};
use hir::{HirFileIdExt, InFile, InRealFile, MacroFileIdExt, MacroKind, Name, Semantics};
use ide_db::{FxHashMap, Ranker, RootDatabase, SymbolKind};
use span::EditionedFileId;
use syntax::{
ast::{self, IsString},
AstNode, AstToken, NodeOrToken,
SyntaxKind::*,
SyntaxNode, TextRange, WalkEvent, T,
SyntaxNode, SyntaxToken, TextRange, WalkEvent, T,
};
use crate::{
@ -30,7 +29,6 @@ use crate::{
escape::{highlight_escape_byte, highlight_escape_char, highlight_escape_string},
format::highlight_format_string,
highlights::Highlights,
macro_::MacroHighlighter,
tags::Highlight,
},
FileId, HlMod, HlOperator, HlPunct, HlTag,
@ -221,7 +219,7 @@ pub(crate) fn highlight(
Some(it) => it.krate(),
None => return hl.to_vec(),
};
traverse(&mut hl, &sema, config, file_id, &root, krate, range_to_highlight);
traverse(&mut hl, &sema, config, InRealFile::new(file_id, &root), krate, range_to_highlight);
hl.to_vec()
}
@ -229,8 +227,7 @@ fn traverse(
hl: &mut Highlights,
sema: &Semantics<'_, RootDatabase>,
config: HighlightConfig,
file_id: EditionedFileId,
root: &SyntaxNode,
InRealFile { file_id, value: root }: InRealFile<&SyntaxNode>,
krate: hir::Crate,
range_to_highlight: TextRange,
) {
@ -252,18 +249,15 @@ fn traverse(
let mut tt_level = 0;
let mut attr_or_derive_item = None;
let mut current_macro: Option<ast::Macro> = None;
let mut macro_highlighter = MacroHighlighter::default();
// FIXME: these are not perfectly accurate, we determine them by the real file's syntax tree
// an attribute nested in a macro call will not emit `inside_attribute`
let mut inside_attribute = false;
let mut inside_macro_call = false;
let mut inside_proc_macro_call = false;
// Walk all nodes, keeping track of whether we are inside a macro or not.
// If in macro, expand it first and highlight the expanded code.
for event in root.preorder_with_tokens() {
let mut preorder = root.preorder_with_tokens();
while let Some(event) = preorder.next() {
use WalkEvent::{Enter, Leave};
let range = match &event {
@ -275,16 +269,11 @@ fn traverse(
continue;
}
// set macro and attribute highlighting states
match event.clone() {
Enter(NodeOrToken::Node(node))
if current_macro.is_none() && ast::TokenTree::can_cast(node.kind()) =>
{
Enter(NodeOrToken::Node(node)) if ast::TokenTree::can_cast(node.kind()) => {
tt_level += 1;
}
Leave(NodeOrToken::Node(node))
if current_macro.is_none() && ast::TokenTree::can_cast(node.kind()) =>
{
Leave(NodeOrToken::Node(node)) if ast::TokenTree::can_cast(node.kind()) => {
tt_level -= 1;
}
Enter(NodeOrToken::Node(node)) if ast::Attr::can_cast(node.kind()) => {
@ -297,28 +286,14 @@ fn traverse(
Enter(NodeOrToken::Node(node)) => {
if let Some(item) = ast::Item::cast(node.clone()) {
match item {
ast::Item::MacroRules(mac) => {
macro_highlighter.init();
current_macro = Some(mac.into());
continue;
}
ast::Item::MacroDef(mac) => {
macro_highlighter.init();
current_macro = Some(mac.into());
continue;
}
ast::Item::Fn(_) | ast::Item::Const(_) | ast::Item::Static(_) => {
bindings_shadow_count.clear()
}
ast::Item::MacroCall(ref macro_call) => {
inside_macro_call = true;
inside_proc_macro_call = sema.is_proc_macro_call(macro_call);
}
_ => (),
}
if attr_or_derive_item.is_none() {
if sema.is_attr_macro_call(&item) {
if sema.is_attr_macro_call(InFile::new(file_id.into(), &item)) {
attr_or_derive_item = Some(AttrOrDerive::Attr(item));
} else {
let adt = match item {
@ -328,7 +303,10 @@ fn traverse(
_ => None,
};
match adt {
Some(adt) if sema.is_derive_annotated(&adt) => {
Some(adt)
if sema
.is_derive_annotated(InFile::new(file_id.into(), &adt)) =>
{
attr_or_derive_item =
Some(AttrOrDerive::Derive(ast::Item::from(adt)));
}
@ -340,25 +318,11 @@ fn traverse(
}
Leave(NodeOrToken::Node(node)) if ast::Item::can_cast(node.kind()) => {
match ast::Item::cast(node.clone()) {
Some(ast::Item::MacroRules(mac)) => {
assert_eq!(current_macro, Some(mac.into()));
current_macro = None;
macro_highlighter = MacroHighlighter::default();
}
Some(ast::Item::MacroDef(mac)) => {
assert_eq!(current_macro, Some(mac.into()));
current_macro = None;
macro_highlighter = MacroHighlighter::default();
}
Some(item)
if attr_or_derive_item.as_ref().is_some_and(|it| *it.item() == item) =>
{
attr_or_derive_item = None;
}
Some(ast::Item::MacroCall(_)) => {
inside_macro_call = false;
inside_proc_macro_call = false;
}
_ => (),
}
}
@ -379,12 +343,6 @@ fn traverse(
}
};
if current_macro.is_some() {
if let Some(tok) = element.as_token() {
macro_highlighter.advance(tok);
}
}
let element = match element.clone() {
NodeOrToken::Node(n) => match ast::NameLike::cast(n) {
Some(n) => NodeOrToken::Node(n),
@ -392,7 +350,7 @@ fn traverse(
},
NodeOrToken::Token(t) => NodeOrToken::Token(t),
};
let token = element.as_token().cloned();
let original_token = element.as_token().cloned();
// Descending tokens into macros is expensive even if no descending occurs, so make sure
// that we actually are in a position where descending is possible.
@ -405,144 +363,52 @@ fn traverse(
let descended_element = if in_macro {
// Attempt to descend tokens into macro-calls.
let res = match element {
NodeOrToken::Token(token) if token.kind() != COMMENT => {
let ranker = Ranker::from_token(&token);
let mut t = None;
let mut r = 0;
sema.descend_into_macros_breakable(
InRealFile::new(file_id, token.clone()),
|tok, _ctx| {
// FIXME: Consider checking ctx transparency for being opaque?
let tok = tok.value;
let my_rank = ranker.rank_token(&tok);
if my_rank >= Ranker::MAX_RANK {
// a rank of 0b1110 means that we have found a maximally interesting
// token so stop early.
t = Some(tok);
return ControlFlow::Break(());
}
// r = r.max(my_rank);
// t = Some(t.take_if(|_| r < my_rank).unwrap_or(tok));
match &mut t {
Some(prev) if r < my_rank => {
*prev = tok;
r = my_rank;
}
Some(_) => (),
None => {
r = my_rank;
t = Some(tok)
}
}
ControlFlow::Continue(())
},
);
let token = t.unwrap_or(token);
match token.parent().and_then(ast::NameLike::cast) {
// Remap the token into the wrapping single token nodes
Some(parent) => match (token.kind(), parent.syntax().kind()) {
(T![self] | T![ident], NAME | NAME_REF) => NodeOrToken::Node(parent),
(T![self] | T![super] | T![crate] | T![Self], NAME_REF) => {
NodeOrToken::Node(parent)
}
(INT_NUMBER, NAME_REF) => NodeOrToken::Node(parent),
(LIFETIME_IDENT, LIFETIME) => NodeOrToken::Node(parent),
_ => NodeOrToken::Token(token),
},
None => NodeOrToken::Token(token),
}
}
e => e,
};
res
match element {
NodeOrToken::Token(token) => descend_token(sema, InRealFile::new(file_id, token)),
n => InFile::new(file_id.into(), n),
}
} else {
element
InFile::new(file_id.into(), element)
};
// FIXME: do proper macro def highlighting https://github.com/rust-lang/rust-analyzer/issues/6232
// Skip metavariables from being highlighted to prevent keyword highlighting in them
if descended_element.as_token().and_then(|t| macro_highlighter.highlight(t)).is_some() {
continue;
}
// string highlight injections, note this does not use the descended element as proc-macros
// can rewrite string literals which invalidates our indices
if let (Some(token), Some(descended_token)) = (token, descended_element.as_token()) {
if ast::String::can_cast(token.kind()) && ast::String::can_cast(descended_token.kind())
{
let string = ast::String::cast(token);
let string_to_highlight = ast::String::cast(descended_token.clone());
if let Some((string, expanded_string)) = string.zip(string_to_highlight) {
if string.is_raw()
&& inject::ra_fixture(hl, sema, config, &string, &expanded_string).is_some()
{
continue;
}
highlight_format_string(
hl,
sema,
krate,
&string,
&expanded_string,
range,
file_id.edition(),
);
if !string.is_raw() {
highlight_escape_string(hl, &string, range.start());
}
}
} else if ast::ByteString::can_cast(token.kind())
&& ast::ByteString::can_cast(descended_token.kind())
{
if let Some(byte_string) = ast::ByteString::cast(token) {
if !byte_string.is_raw() {
highlight_escape_string(hl, &byte_string, range.start());
}
}
} else if ast::CString::can_cast(token.kind())
&& ast::CString::can_cast(descended_token.kind())
{
if let Some(c_string) = ast::CString::cast(token) {
if !c_string.is_raw() {
highlight_escape_string(hl, &c_string, range.start());
}
}
} else if ast::Char::can_cast(token.kind())
&& ast::Char::can_cast(descended_token.kind())
{
let Some(char) = ast::Char::cast(token) else {
continue;
};
highlight_escape_char(hl, &char, range.start())
} else if ast::Byte::can_cast(token.kind())
&& ast::Byte::can_cast(descended_token.kind())
{
let Some(byte) = ast::Byte::cast(token) else {
continue;
};
highlight_escape_byte(hl, &byte, range.start())
// string highlight injections
if let (Some(original_token), Some(descended_token)) =
(original_token, descended_element.value.as_token())
{
let control_flow = string_injections(
hl,
sema,
config,
file_id,
krate,
original_token,
descended_token,
);
if control_flow.is_break() {
continue;
}
}
let element = match descended_element {
NodeOrToken::Node(name_like) => highlight::name_like(
sema,
krate,
&mut bindings_shadow_count,
config.syntactic_name_ref_highlighting,
name_like,
file_id.edition(),
),
let edition = descended_element.file_id.edition(sema.db);
let element = match descended_element.value {
NodeOrToken::Node(name_like) => {
let hl = highlight::name_like(
sema,
krate,
&mut bindings_shadow_count,
config.syntactic_name_ref_highlighting,
name_like,
edition,
);
if hl.is_some() && !in_macro {
// skip highlighting the contained token of our name-like node
// as that would potentially overwrite our result
preorder.skip_subtree();
}
hl
}
NodeOrToken::Token(token) => {
highlight::token(sema, token, file_id.edition()).zip(Some(None))
highlight::token(sema, token, edition, tt_level > 0).zip(Some(None))
}
};
if let Some((mut highlight, binding_hash)) = element {
@ -551,13 +417,6 @@ fn traverse(
// let the editor do its highlighting for these tokens instead
continue;
}
if highlight.tag == HlTag::UnresolvedReference
&& matches!(attr_or_derive_item, Some(AttrOrDerive::Derive(_)) if inside_attribute)
{
// do not emit unresolved references in derive helpers if the token mapping maps to
// something unresolvable. FIXME: There should be a way to prevent that
continue;
}
// apply config filtering
if !filter_by_config(&mut highlight, config) {
@ -567,8 +426,9 @@ fn traverse(
if inside_attribute {
highlight |= HlMod::Attribute
}
if inside_macro_call && tt_level > 0 {
if inside_proc_macro_call {
if let Some(m) = descended_element.file_id.macro_file() {
if let MacroKind::ProcMacro | MacroKind::Attr | MacroKind::Derive = m.kind(sema.db)
{
highlight |= HlMod::ProcMacro
}
highlight |= HlMod::Macro
@ -579,6 +439,99 @@ fn traverse(
}
}
fn string_injections(
hl: &mut Highlights,
sema: &Semantics<'_, RootDatabase>,
config: HighlightConfig,
file_id: EditionedFileId,
krate: hir::Crate,
token: SyntaxToken,
descended_token: &SyntaxToken,
) -> ControlFlow<()> {
if !matches!(token.kind(), STRING | BYTE_STRING | BYTE | CHAR | C_STRING) {
return ControlFlow::Continue(());
}
if let Some(string) = ast::String::cast(token.clone()) {
if let Some(descended_string) = ast::String::cast(descended_token.clone()) {
if string.is_raw()
&& inject::ra_fixture(hl, sema, config, &string, &descended_string).is_some()
{
return ControlFlow::Break(());
}
highlight_format_string(hl, sema, krate, &string, &descended_string, file_id.edition());
if !string.is_raw() {
highlight_escape_string(hl, &string);
}
}
} else if let Some(byte_string) = ast::ByteString::cast(token.clone()) {
if !byte_string.is_raw() {
highlight_escape_string(hl, &byte_string);
}
} else if let Some(c_string) = ast::CString::cast(token.clone()) {
if !c_string.is_raw() {
highlight_escape_string(hl, &c_string);
}
} else if let Some(char) = ast::Char::cast(token.clone()) {
highlight_escape_char(hl, &char)
} else if let Some(byte) = ast::Byte::cast(token) {
highlight_escape_byte(hl, &byte)
}
ControlFlow::Continue(())
}
fn descend_token(
sema: &Semantics<'_, RootDatabase>,
token: InRealFile<SyntaxToken>,
) -> InFile<NodeOrToken<ast::NameLike, SyntaxToken>> {
if token.value.kind() == COMMENT {
return token.map(NodeOrToken::Token).into();
}
let ranker = Ranker::from_token(&token.value);
let mut t = None;
let mut r = 0;
sema.descend_into_macros_breakable(token.clone(), |tok, _ctx| {
// FIXME: Consider checking ctx transparency for being opaque?
let my_rank = ranker.rank_token(&tok.value);
if my_rank >= Ranker::MAX_RANK {
// a rank of 0b1110 means that we have found a maximally interesting
// token so stop early.
t = Some(tok);
return ControlFlow::Break(());
}
// r = r.max(my_rank);
// t = Some(t.take_if(|_| r < my_rank).unwrap_or(tok));
match &mut t {
Some(prev) if r < my_rank => {
*prev = tok;
r = my_rank;
}
Some(_) => (),
None => {
r = my_rank;
t = Some(tok)
}
}
ControlFlow::Continue(())
});
let token = t.unwrap_or_else(|| token.into());
token.map(|token| match token.parent().and_then(ast::NameLike::cast) {
// Remap the token into the wrapping single token nodes
Some(parent) => match (token.kind(), parent.syntax().kind()) {
(T![ident] | T![self], NAME)
| (T![ident] | T![self] | T![super] | T![crate] | T![Self], NAME_REF)
| (INT_NUMBER, NAME_REF)
| (LIFETIME_IDENT, LIFETIME) => NodeOrToken::Node(parent),
_ => NodeOrToken::Token(token),
},
None => NodeOrToken::Token(token),
})
}
fn filter_by_config(highlight: &mut Highlight, config: HighlightConfig) -> bool {
match &mut highlight.tag {
HlTag::StringLiteral if !config.strings => return false,

21
crates/ide/src/syntax_highlighting/escape.rs
View File

@ -4,12 +4,9 @@ use crate::{HlRange, HlTag};
use syntax::ast::{Byte, Char, IsString};
use syntax::{AstToken, TextRange, TextSize};
pub(super) fn highlight_escape_string<T: IsString>(
stack: &mut Highlights,
string: &T,
start: TextSize,
) {
pub(super) fn highlight_escape_string<T: IsString>(stack: &mut Highlights, string: &T) {
let text = string.text();
let start = string.syntax().text_range().start();
string.escaped_char_ranges(&mut |piece_range, char| {
if text[piece_range.start().into()..].starts_with('\\') {
let highlight = match char {
@ -25,7 +22,7 @@ pub(super) fn highlight_escape_string<T: IsString>(
});
}
pub(super) fn highlight_escape_char(stack: &mut Highlights, char: &Char, start: TextSize) {
pub(super) fn highlight_escape_char(stack: &mut Highlights, char: &Char) {
if char.value().is_err() {
// We do not emit invalid escapes highlighting here. The lexer would likely be in a bad
// state and this token contains junk, since `'` is not a reliable delimiter (consider
@ -42,11 +39,14 @@ pub(super) fn highlight_escape_char(stack: &mut Highlights, char: &Char, start:
return;
};
let range = TextRange::at(start + TextSize::from(1), TextSize::from(text.len() as u32));
let range = TextRange::at(
char.syntax().text_range().start() + TextSize::from(1),
TextSize::from(text.len() as u32),
);
stack.add(HlRange { range, highlight: HlTag::EscapeSequence.into(), binding_hash: None })
}
pub(super) fn highlight_escape_byte(stack: &mut Highlights, byte: &Byte, start: TextSize) {
pub(super) fn highlight_escape_byte(stack: &mut Highlights, byte: &Byte) {
if byte.value().is_err() {
// See `highlight_escape_char` for why no error highlighting here.
return;
@ -61,6 +61,9 @@ pub(super) fn highlight_escape_byte(stack: &mut Highlights, byte: &Byte, start:
return;
};
let range = TextRange::at(start + TextSize::from(2), TextSize::from(text.len() as u32));
let range = TextRange::at(
byte.syntax().text_range().start() + TextSize::from(2),
TextSize::from(text.len() as u32),
);
stack.add(HlRange { range, highlight: HlTag::EscapeSequence.into(), binding_hash: None })
}

6
crates/ide/src/syntax_highlighting/format.rs
View File

@ -5,7 +5,7 @@ use ide_db::{
SymbolKind,
};
use span::Edition;
use syntax::{ast, TextRange};
use syntax::{ast, AstToken};
use crate::{
syntax_highlighting::{highlight::highlight_def, highlights::Highlights},
@ -18,15 +18,15 @@ pub(super) fn highlight_format_string(
krate: hir::Crate,
string: &ast::String,
expanded_string: &ast::String,
range: TextRange,
edition: Edition,
) {
if is_format_string(expanded_string) {
let start = string.syntax().text_range().start();
// FIXME: Replace this with the HIR info we have now.
lex_format_specifiers(string, &mut |piece_range, kind| {
if let Some(highlight) = highlight_format_specifier(kind) {
stack.add(HlRange {
range: piece_range + range.start(),
range: piece_range + start,
highlight: highlight.into(),
binding_hash: None,
});

20
crates/ide/src/syntax_highlighting/highlight.rs
View File

@ -23,6 +23,7 @@ pub(super) fn token(
sema: &Semantics<'_, RootDatabase>,
token: SyntaxToken,
edition: Edition,
in_tt: bool,
) -> Option<Highlight> {
if let Some(comment) = ast::Comment::cast(token.clone()) {
let h = HlTag::Comment;
@ -40,13 +41,20 @@ pub(super) fn token(
INT_NUMBER | FLOAT_NUMBER => HlTag::NumericLiteral.into(),
BYTE => HlTag::ByteLiteral.into(),
CHAR => HlTag::CharLiteral.into(),
IDENT if token.parent().and_then(ast::TokenTree::cast).is_some() => {
IDENT if in_tt => {
// from this point on we are inside a token tree, this only happens for identifiers
// that were not mapped down into macro invocations
HlTag::None.into()
}
p if p.is_punct() => punctuation(sema, token, p),
k if k.is_keyword(edition) => keyword(sema, token, k)?,
k if k.is_keyword(edition) => {
if in_tt && token.prev_token().is_some_and(|t| t.kind() == T![$]) {
// we are likely within a macro definition where our keyword is a fragment name
HlTag::None.into()
} else {
keyword(sema, token, k)?
}
}
_ => return None,
};
Some(highlight)
@ -81,7 +89,7 @@ pub(super) fn name_like(
Some(IdentClass::NameRefClass(NameRefClass::Definition(def, _))) => {
highlight_def(sema, krate, def, edition)
}
// FIXME: Fallback for 'static and '_, as we do not resolve these yet
// FIXME: Fallback for '_, as we do not resolve these yet
_ => SymbolKind::LifetimeParam.into(),
},
};
@ -214,12 +222,6 @@ fn keyword(
T![true] | T![false] => HlTag::BoolLiteral.into(),
// crate is handled just as a token if it's in an `extern crate`
T![crate] if parent_matches::<ast::ExternCrate>(&token) => h,
// self, crate, super and `Self` are handled as either a Name or NameRef already, unless they
// are inside unmapped token trees
T![self] | T![crate] | T![super] | T![Self] if parent_matches::<ast::NameRef>(&token) => {
return None
}
T![self] if parent_matches::<ast::Name>(&token) => return None,
T![ref] => match token.parent().and_then(ast::IdentPat::cast) {
Some(ident) if sema.is_unsafe_ident_pat(&ident) => h | HlMod::Unsafe,
_ => h,

128
crates/ide/src/syntax_highlighting/macro_.rs
View File

@ -1,128 +0,0 @@
//! Syntax highlighting for macro_rules!.
use syntax::{SyntaxKind, SyntaxToken, TextRange, T};
use crate::{HlRange, HlTag};
#[derive(Default)]
pub(super) struct MacroHighlighter {
state: Option<MacroMatcherParseState>,
}
impl MacroHighlighter {
pub(super) fn init(&mut self) {
self.state = Some(MacroMatcherParseState::default());
}
pub(super) fn advance(&mut self, token: &SyntaxToken) {
if let Some(state) = self.state.as_mut() {
update_macro_state(state, token);
}
}
pub(super) fn highlight(&self, token: &SyntaxToken) -> Option<HlRange> {
if let Some(state) = self.state.as_ref() {
if matches!(state.rule_state, RuleState::Matcher | RuleState::Expander) {
if let Some(range) = is_metavariable(token) {
return Some(HlRange {
range,
highlight: HlTag::UnresolvedReference.into(),
binding_hash: None,
});
}
}
}
None
}
}
struct MacroMatcherParseState {
/// Opening and corresponding closing bracket of the matcher or expander of the current rule
paren_ty: Option<(SyntaxKind, SyntaxKind)>,
paren_level: usize,
rule_state: RuleState,
/// Whether we are inside the outer `{` `}` macro block that holds the rules
in_invoc_body: bool,
}
impl Default for MacroMatcherParseState {
fn default() -> Self {
MacroMatcherParseState {
paren_ty: None,
paren_level: 0,
in_invoc_body: false,
rule_state: RuleState::None,
}
}
}
#[derive(Copy, Clone, Debug, PartialEq)]
enum RuleState {
Matcher,
Expander,
Between,
None,
}
impl RuleState {
fn transition(&mut self) {
*self = match self {
RuleState::Matcher => RuleState::Between,
RuleState::Expander => RuleState::None,
RuleState::Between => RuleState::Expander,
RuleState::None => RuleState::Matcher,
};
}
}
fn update_macro_state(state: &mut MacroMatcherParseState, tok: &SyntaxToken) {
if !state.in_invoc_body {
if tok.kind() == T!['{'] || tok.kind() == T!['('] {
state.in_invoc_body = true;
}
return;
}
match state.paren_ty {
Some((open, close)) => {
if tok.kind() == open {
state.paren_level += 1;
} else if tok.kind() == close {
state.paren_level -= 1;
if state.paren_level == 0 {
state.rule_state.transition();
state.paren_ty = None;
}
}
}
None => {
match tok.kind() {
T!['('] => {
state.paren_ty = Some((T!['('], T![')']));
}
T!['{'] => {
state.paren_ty = Some((T!['{'], T!['}']));
}
T!['['] => {
state.paren_ty = Some((T!['['], T![']']));
}
_ => (),
}
if state.paren_ty.is_some() {
state.paren_level = 1;
state.rule_state.transition();
}
}
}
}
fn is_metavariable(token: &SyntaxToken) -> Option<TextRange> {
match token.kind() {
kind if kind.is_any_identifier() => {
if let Some(_dollar) = token.prev_token().filter(|t| t.kind() == T![$]) {
return Some(token.text_range());
}
}
_ => (),
};
None
}

20
crates/ide/src/syntax_highlighting/test_data/highlight_asm.html
View File

@ -49,26 +49,26 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword unsafe">unsafe</span> <span class="brace">{</span>
<span class="keyword">let</span> <span class="variable declaration">foo</span> <span class="operator">=</span> <span class="numeric_literal">1</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">o</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis">(</span>
<span class="string_literal macro">"%input = OpLoad _ {</span><span class="variable">0</span><span class="string_literal macro">}"</span><span class="comma macro">,</span>
<span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"%result = "</span><span class="comma macro">,</span> <span class="string_literal macro">"bar"</span><span class="comma macro">,</span> <span class="string_literal macro">" _ %input"</span><span class="parenthesis macro">)</span><span class="comma macro">,</span>
<span class="string_literal macro">"OpStore {</span><span class="variable">1</span><span class="string_literal macro">} %result"</span><span class="comma macro">,</span>
<span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="operator macro">&</span><span class="variable macro">foo</span><span class="comma macro">,</span>
<span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="operator macro">&</span><span class="keyword macro">mut</span> <span class="variable macro mutable">o</span><span class="comma macro">,</span>
<span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">thread_id</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"
mov {</span><span class="variable">0</span><span class="string_literal macro">}, gs:[0x30]
mov {</span><span class="variable">0</span><span class="string_literal macro">}, [{</span><span class="variable">0</span><span class="string_literal macro">}+0x48]
"</span><span class="comma macro">,</span> <span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">thread_id</span><span class="comma macro">,</span> <span class="keyword macro">options</span><span class="parenthesis macro">(</span><span class="keyword macro">pure</span><span class="comma macro">,</span> <span class="keyword macro">readonly</span><span class="comma macro">,</span> <span class="keyword macro">nostack</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
"</span><span class="comma macro">,</span> <span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">thread_id</span><span class="comma macro">,</span> <span class="keyword macro">options</span><span class="parenthesis macro">(</span><span class="keyword macro">pure</span><span class="comma macro">,</span> <span class="keyword macro">readonly</span><span class="comma macro">,</span> <span class="keyword macro">nostack</span><span class="parenthesis macro">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">static</span> <span class="static declaration">UNMAP_BASE</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="keyword const">const</span> <span class="constant const declaration">MEM_RELEASE</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="keyword">static</span> <span class="static declaration">VirtualFree</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="keyword const">const</span> <span class="constant const declaration">OffPtr</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="keyword const">const</span> <span class="constant const declaration">OffFn</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"
push {</span><span class="variable">free_type</span><span class="string_literal macro">}
push {</span><span class="variable">free_size</span><span class="string_literal macro">}
push {</span><span class="variable">base</span><span class="string_literal macro">}
@ -92,7 +92,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="variable declaration macro">base</span> <span class="operator macro">=</span> <span class="keyword macro">sym</span> <span class="static macro">UNMAP_BASE</span><span class="comma macro">,</span>
<span class="keyword macro">options</span><span class="parenthesis macro">(</span><span class="keyword macro">noreturn</span><span class="parenthesis macro">)</span><span class="comma macro">,</span>
<span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="brace">}</span>
<span class="comment">// taken from https://github.com/rust-embedded/cortex-m/blob/47921b51f8b960344fcfa1255a50a0d19efcde6d/cortex-m/src/asm.rs#L254-L274</span>
@ -101,19 +101,19 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="comment">// Ensure thumb mode is set.</span>
<span class="keyword">let</span> <span class="variable declaration">rv</span> <span class="operator">=</span> <span class="parenthesis">(</span><span class="value_param">rv</span> <span class="keyword">as</span> <span class="builtin_type">u32</span><span class="parenthesis">)</span> <span class="bitwise">|</span> <span class="numeric_literal">1</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">msp</span> <span class="operator">=</span> <span class="value_param">msp</span> <span class="keyword">as</span> <span class="builtin_type">u32</span><span class="semicolon">;</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis">(</span>
<span class="string_literal macro">"mrs {</span><span class="variable">tmp</span><span class="string_literal macro">}, CONTROL"</span><span class="comma macro">,</span>
<span class="string_literal macro">"bics {</span><span class="variable">tmp</span><span class="string_literal macro">}, {</span><span class="variable">spsel</span><span class="string_literal macro">}"</span><span class="comma macro">,</span>
<span class="string_literal macro">"msr CONTROL, {</span><span class="variable">tmp</span><span class="string_literal macro">}"</span><span class="comma macro">,</span>
<span class="string_literal macro">"isb"</span><span class="comma macro">,</span>
<span class="string_literal macro">"msr MSP, {</span><span class="variable">msp</span><span class="string_literal macro">}"</span><span class="comma macro">,</span>
<span class="string_literal macro">"bx {</span><span class="variable">rv</span><span class="string_literal macro">}"</span><span class="comma macro">,</span>
<span class="comment macro">// `out(reg) _` is not permitted in a `noreturn` asm! call,</span>
<span class="comment macro">// so instead use `in(reg) 0` and don't restore it afterwards.</span>
<span class="comment">// `out(reg) _` is not permitted in a `noreturn` asm! call,</span>
<span class="comment">// so instead use `in(reg) 0` and don't restore it afterwards.</span>
<span class="variable declaration macro">tmp</span> <span class="operator macro">=</span> <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="numeric_literal macro">0</span><span class="comma macro">,</span>
<span class="variable declaration macro">spsel</span> <span class="operator macro">=</span> <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="numeric_literal macro">2</span><span class="comma macro">,</span>
<span class="variable declaration macro">msp</span> <span class="operator macro">=</span> <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">msp</span><span class="comma macro">,</span>
<span class="variable declaration macro">rv</span> <span class="operator macro">=</span> <span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">rv</span><span class="comma macro">,</span>
<span class="keyword macro">options</span><span class="parenthesis macro">(</span><span class="keyword macro">noreturn</span><span class="comma macro">,</span> <span class="keyword macro">nomem</span><span class="comma macro">,</span> <span class="keyword macro">nostack</span><span class="parenthesis macro">)</span><span class="comma macro">,</span>
<span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span></code></pre>

18
crates/ide/src/syntax_highlighting/test_data/highlight_attributes.html
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@ -45,20 +45,20 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.invalid_escape_sequence { color: #FC5555; text-decoration: wavy underline; }
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="builtin_attr attribute">allow</span><span class="parenthesis attribute">(</span><span class="none attribute">dead_code</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="tool_module attribute">rustfmt</span><span class="operator attribute">::</span><span class="tool_module attribute">skip</span><span class="attribute_bracket attribute">]</span>
<pre><code><span class="attribute_bracket attribute macro proc_macro">#</span><span class="attribute_bracket attribute macro proc_macro">[</span><span class="builtin_attr attribute macro proc_macro">allow</span><span class="parenthesis attribute macro proc_macro">(</span><span class="none attribute macro proc_macro">dead_code</span><span class="parenthesis attribute macro proc_macro">)</span><span class="attribute_bracket attribute macro proc_macro">]</span>
<span class="attribute_bracket attribute macro proc_macro">#</span><span class="attribute_bracket attribute macro proc_macro">[</span><span class="tool_module attribute macro proc_macro">rustfmt</span><span class="operator attribute macro proc_macro">::</span><span class="tool_module attribute macro proc_macro">skip</span><span class="attribute_bracket attribute macro proc_macro">]</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="module attribute crate_root library">proc_macros</span><span class="operator attribute">::</span><span class="attribute attribute library">identity</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="attribute attribute default_library library">derive</span><span class="parenthesis attribute">(</span><span class="derive attribute default_library library">Default</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute macro proc_macro">#</span><span class="attribute_bracket attribute macro proc_macro">[</span><span class="attribute attribute default_library library macro proc_macro">derive</span><span class="parenthesis attribute macro proc_macro">(</span><span class="derive attribute default_library library macro">Default</span><span class="parenthesis attribute macro proc_macro">)</span><span class="attribute_bracket attribute macro proc_macro">]</span>
<span class="comment documentation">/// This is a doc comment</span>
<span class="comment">// This is a normal comment</span>
<span class="comment documentation">/// This is a doc comment</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="attribute attribute default_library library">derive</span><span class="parenthesis attribute">(</span><span class="derive attribute default_library library">Copy</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute macro proc_macro">#</span><span class="attribute_bracket attribute macro proc_macro">[</span><span class="attribute attribute default_library library macro proc_macro">derive</span><span class="parenthesis attribute macro proc_macro">(</span><span class="derive attribute default_library library macro">Copy</span><span class="parenthesis attribute macro proc_macro">)</span><span class="attribute_bracket attribute macro proc_macro">]</span>
<span class="comment">// This is another normal comment</span>
<span class="comment documentation">/// This is another doc comment</span>
<span class="comment">// This is another normal comment</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="attribute attribute default_library library">derive</span><span class="parenthesis attribute">(</span><span class="derive attribute default_library library">Copy</span><span class="comma attribute">,</span> <span class="unresolved_reference attribute">Unresolved</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute macro proc_macro">#</span><span class="attribute_bracket attribute macro proc_macro">[</span><span class="attribute attribute default_library library macro proc_macro">derive</span><span class="parenthesis attribute macro proc_macro">(</span><span class="derive attribute default_library library macro">Copy</span><span class="comma attribute macro proc_macro">,</span> <span class="unresolved_reference attribute macro">Unresolved</span><span class="parenthesis attribute macro proc_macro">)</span><span class="attribute_bracket attribute macro proc_macro">]</span>
<span class="comment">// The reason for these being here is to test AttrIds</span>
<span class="keyword">enum</span> <span class="enum declaration">Foo</span> <span class="brace">{</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="derive_helper attribute default_library library">default</span><span class="attribute_bracket attribute">]</span>
<span class="enum_variant declaration">Bar</span>
<span class="brace">}</span></code></pre>
<span class="keyword macro proc_macro">enum</span> <span class="enum declaration macro proc_macro">Foo</span> <span class="brace macro proc_macro">{</span>
<span class="attribute_bracket attribute macro proc_macro">#</span><span class="attribute_bracket attribute macro proc_macro">[</span><span class="derive_helper attribute default_library library macro proc_macro">default</span><span class="attribute_bracket attribute macro proc_macro">]</span>
<span class="enum_variant declaration macro proc_macro">Bar</span>
<span class="brace macro proc_macro">}</span></code></pre>

4
crates/ide/src/syntax_highlighting/test_data/highlight_block_mod_items.html
View File

@ -53,9 +53,9 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="macro public">foo</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="struct declaration macro public">Foo</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">foo</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="struct declaration macro public">Foo</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">mod</span> <span class="module declaration">module</span> <span class="brace">{</span>
<span class="macro public">foo</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="struct declaration macro public">Bar</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">foo</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="struct declaration macro public">Bar</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">func</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="module">y</span><span class="operator">::</span><span class="struct public">Bar</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">mod</span> <span class="module declaration">inner</span> <span class="brace">{</span>
<span class="keyword">struct</span> <span class="struct declaration">Innerest</span><span class="angle">&lt;</span><span class="keyword">const</span> <span class="const_param const declaration">C</span><span class="colon">:</span> <span class="unresolved_reference">usize</span><span class="angle">&gt;</span> <span class="brace">{</span> <span class="field declaration">field</span><span class="colon">:</span> <span class="bracket">[</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="brace">{</span><span class="const_param const">C</span><span class="brace">}</span><span class="bracket">]</span> <span class="brace">}</span>

4
crates/ide/src/syntax_highlighting/test_data/highlight_const.html
View File

@ -57,7 +57,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword const">const</span> <span class="brace">{</span>
<span class="keyword">const</span> <span class="punctuation">|</span><span class="punctuation">|</span> <span class="brace">{</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="macro public">id</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>
<span class="macro public">id</span><span class="macro_bang">!</span><span class="parenthesis">(</span>
<span class="constant const macro">CONST_ITEM</span><span class="semicolon macro">;</span>
<span class="const_param const macro">CONST_PARAM</span><span class="semicolon macro">;</span>
<span class="keyword const macro">const</span> <span class="brace macro">{</span>
@ -65,7 +65,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace macro">}</span><span class="semicolon macro">;</span>
<span class="operator macro">&</span><span class="keyword macro">raw</span> <span class="keyword macro">const</span> <span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon macro">;</span>
<span class="keyword macro">const</span>
<span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="parenthesis">(</span><span class="parenthesis">)</span><span class="operator">.</span><span class="method const consuming trait">assoc_const_method</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword">trait</span> <span class="trait declaration">ConstTrait</span> <span class="brace">{</span>

8
crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
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@ -105,7 +105,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">foo</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="comment injected">// calls bar on foo</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected">assert</span><span class="macro_bang injected">!</span><span class="parenthesis injected macro">(</span><span class="none injected macro">foo</span><span class="operator injected macro">.</span><span class="none injected macro">bar</span><span class="parenthesis injected macro">(</span><span class="parenthesis injected macro">)</span><span class="parenthesis injected macro">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected">assert</span><span class="macro_bang injected">!</span><span class="parenthesis injected">(</span><span class="none injected">foo</span><span class="operator injected">.</span><span class="none injected">bar</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">bar</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="variable injected">foo</span><span class="operator injected">.</span><span class="field injected">bar</span><span class="none injected"> </span><span class="logical injected">||</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="constant injected">bar</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span>
@ -156,8 +156,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="comment documentation">/// ```</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">macro_rules</span><span class="macro_bang injected">!</span><span class="none injected"> </span><span class="macro declaration injected public">noop</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected"> </span><span class="parenthesis injected">(</span><span class="punctuation injected">$</span><span class="none injected">expr</span><span class="colon injected">:</span><span class="none injected">expr</span><span class="parenthesis injected">)</span><span class="none injected"> </span><span class="operator injected">=</span><span class="operator injected">&gt;</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected"> </span><span class="punctuation injected">$</span><span class="none injected">expr </span><span class="brace injected">}</span><span class="brace injected">}</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected public">noop</span><span class="macro_bang injected">!</span><span class="parenthesis injected macro">(</span><span class="numeric_literal injected macro">1</span><span class="parenthesis injected macro">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">macro_rules</span><span class="macro_bang injected">!</span><span class="none injected"> </span><span class="macro declaration injected public">noop</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected"> </span><span class="parenthesis injected">(</span><span class="punctuation injected">$</span><span class="none injected">expr</span><span class="colon injected">:</span><span class="none injected">expr</span><span class="parenthesis injected">)</span><span class="none injected"> </span><span class="operator injected">=</span><span class="operator injected">&gt;</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected"> </span><span class="punctuation injected">$</span><span class="none injected">expr</span><span class="none injected"> </span><span class="brace injected">}</span><span class="brace injected">}</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="macro injected public">noop</span><span class="macro_bang injected">!</span><span class="parenthesis injected">(</span><span class="numeric_literal injected macro">1</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">/// ```</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">noop</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span>expr<span class="colon">:</span>expr<span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span>
@ -177,7 +177,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="comment documentation">///</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="builtin_attr attribute">cfg_attr</span><span class="parenthesis attribute">(</span><span class="none attribute">feature</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"alloc"</span><span class="comma attribute">,</span> <span class="none attribute">doc</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"```rust"</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="builtin_attr attribute">cfg_attr</span><span class="parenthesis attribute">(</span><span class="none attribute">not</span><span class="parenthesis attribute">(</span><span class="none attribute">feature</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"alloc"</span><span class="parenthesis attribute">)</span><span class="comma attribute">,</span> <span class="none attribute">doc</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"```ignore"</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="punctuation injected">_</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="function injected">example</span><span class="parenthesis injected">(</span><span class="operator injected">&</span><span class="module injected">alloc</span><span class="operator injected">::</span><span class="macro injected">vec</span><span class="macro_bang injected">!</span><span class="bracket injected macro">[</span><span class="numeric_literal injected macro">1</span><span class="comma injected macro">,</span><span class="none injected"> </span><span class="numeric_literal injected macro">2</span><span class="comma injected macro">,</span><span class="none injected"> </span><span class="numeric_literal injected macro">3</span><span class="bracket injected macro">]</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">///</span><span class="comment documentation"> </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="punctuation injected">_</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="function injected">example</span><span class="parenthesis injected">(</span><span class="operator injected">&</span><span class="module injected">alloc</span><span class="operator injected">::</span><span class="macro injected">vec</span><span class="macro_bang injected">!</span><span class="bracket injected">[</span><span class="numeric_literal injected">1</span><span class="comma injected">,</span><span class="none injected"> </span><span class="numeric_literal injected">2</span><span class="comma injected">,</span><span class="none injected"> </span><span class="numeric_literal injected">3</span><span class="bracket injected">]</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
<span class="comment documentation">/// ```</span>
<span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration public">mix_and_match</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>

10
crates/ide/src/syntax_highlighting/test_data/highlight_general.html
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@ -78,7 +78,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">use</span> <span class="self_keyword crate_root public">self</span><span class="operator">::</span><span class="struct">FooCopy</span><span class="operator">::</span><span class="brace">{</span><span class="self_keyword">self</span> <span class="keyword">as</span> <span class="struct declaration">BarCopy</span><span class="brace">}</span><span class="semicolon">;</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="attribute attribute default_library library">derive</span><span class="parenthesis attribute">(</span><span class="derive attribute default_library library">Copy</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="attribute attribute default_library library">derive</span><span class="parenthesis attribute">(</span><span class="derive attribute default_library library macro">Copy</span><span class="parenthesis attribute">)</span><span class="attribute_bracket attribute">]</span>
<span class="keyword">struct</span> <span class="struct declaration">FooCopy</span> <span class="brace">{</span>
<span class="field declaration">x</span><span class="colon">:</span> <span class="builtin_type">u32</span><span class="comma">,</span>
<span class="brace">}</span>
@ -151,7 +151,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable callable declaration">bar</span> <span class="operator">=</span> <span class="struct">Foo</span><span class="operator">::</span><span class="method associated consuming">baz</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="parenthesis">(</span><span class="numeric_literal">-</span><span class="numeric_literal">42</span><span class="comma">,</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">baz</span><span class="operator">.</span><span class="field">0</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">baz</span><span class="operator">.</span><span class="field library">0</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="logical">!</span><span class="bool_literal">true</span><span class="semicolon">;</span>
@ -170,7 +170,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span>
<span class="keyword">fn</span> <span class="method associated consuming declaration">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span>
<span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span>
<span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="unresolved_reference">unimplemented</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="comma">,</span>
<span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="unresolved_reference">unimplemented</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
<span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span>
<span class="brace">}</span>
<span class="brace">}</span>
@ -184,7 +184,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword async">async</span> <span class="keyword">fn</span> <span class="function async declaration">async_main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">let</span> <span class="variable declaration">f1</span> <span class="operator">=</span> <span class="function async">learn_and_sing</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">f2</span> <span class="operator">=</span> <span class="unresolved_reference">dance</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="unresolved_reference">futures</span><span class="operator">::</span><span class="unresolved_reference">join</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">f1</span><span class="comma macro">,</span> <span class="none macro">f2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="unresolved_reference">futures</span><span class="operator">::</span><span class="unresolved_reference">join</span><span class="macro_bang">!</span><span class="parenthesis">(</span>f1<span class="comma">,</span> f2<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">use_foo_items</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
@ -196,7 +196,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">control_flow</span> <span class="operator">=</span> <span class="module crate_root library">foo</span><span class="operator">::</span><span class="function library">identity</span><span class="parenthesis">(</span><span class="module crate_root library">foo</span><span class="operator">::</span><span class="enum library">ControlFlow</span><span class="operator">::</span><span class="enum_variant library">Continue</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword control">if</span> <span class="variable">control_flow</span><span class="operator">.</span><span class="method consuming library">should_die</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="module crate_root library">foo</span><span class="operator">::</span><span class="unresolved_reference">die</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="module crate_root library">foo</span><span class="operator">::</span><span class="unresolved_reference">die</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="brace">}</span>

2
crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
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@ -51,7 +51,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r#"</span><span class="none injected">
</span><span class="keyword injected">trait</span><span class="none injected"> </span><span class="trait declaration injected">Foo</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected">
</span><span class="keyword injected">fn</span><span class="none injected"> </span><span class="function associated declaration injected static trait">foo</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="none injected"> </span><span class="brace injected">{</span><span class="none injected">
</span><span class="unresolved_reference injected">println</span><span class="macro_bang injected">!</span><span class="parenthesis injected macro">(</span><span class="string_literal injected macro">"2 + 2 = {}"</span><span class="comma injected macro">,</span><span class="none injected"> </span><span class="numeric_literal injected macro">4</span><span class="parenthesis injected macro">)</span><span class="semicolon injected">;</span><span class="none injected">
</span><span class="unresolved_reference injected">println</span><span class="macro_bang injected">!</span><span class="parenthesis injected">(</span><span class="string_literal injected">"2 + 2 = {}"</span><span class="comma injected">,</span><span class="none injected"> </span><span class="numeric_literal injected">4</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span><span class="none injected">
</span><span class="brace injected">}</span><span class="none injected">
</span><span class="brace injected">}</span><span class="string_literal">"#</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>

4
crates/ide/src/syntax_highlighting/test_data/highlight_issue_18089.html
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@ -46,8 +46,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="macro public">template</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">template</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">template</span><span class="macro_bang">!</span><span class="parenthesis">(</span>template<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="attribute_bracket attribute">#</span><span class="attribute_bracket attribute">[</span><span class="module attribute crate_root library">proc_macros</span><span class="operator attribute">::</span><span class="attribute attribute library">issue_18089</span><span class="attribute_bracket attribute">]</span>
<span class="keyword">fn</span> <span class="macro declaration public">template</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span></code></pre>
<span class="keyword macro proc_macro">fn</span> <span class="macro declaration macro proc_macro public">template</span><span class="parenthesis macro proc_macro">(</span><span class="parenthesis macro proc_macro">)</span> <span class="brace macro proc_macro">{</span><span class="brace macro proc_macro">}</span></code></pre>

16
crates/ide/src/syntax_highlighting/test_data/highlight_keywords_2015.html
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@ -54,21 +54,21 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">void</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span>discard<span class="punctuation">!</span><span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">Self</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">Self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">try</span> <span class="none macro">async</span> <span class="none macro">await</span> <span class="none macro">gen</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">try</span> <span class="none macro">async</span> <span class="none macro">await</span> <span class="none macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition and context dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">dyn</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">dyn</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// builtin custom syntax</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// contextual</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// reserved</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>'static 'self 'unsafe<span class="parenthesis macro">)</span></code></pre>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span>'static 'self 'unsafe<span class="parenthesis">)</span></code></pre>

16
crates/ide/src/syntax_highlighting/test_data/highlight_keywords_2018.html
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@ -54,21 +54,21 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">void</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span>discard<span class="punctuation">!</span><span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">Self</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">Self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="none macro">gen</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="none macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition and context dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">dyn</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">dyn</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// builtin custom syntax</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// contextual</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// reserved</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>'static 'self 'unsafe<span class="parenthesis macro">)</span></code></pre>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span>'static 'self 'unsafe<span class="parenthesis">)</span></code></pre>

16
crates/ide/src/syntax_highlighting/test_data/highlight_keywords_2021.html
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@ -54,21 +54,21 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">void</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span>discard<span class="punctuation">!</span><span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">Self</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">Self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="none macro">gen</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="none macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition and context dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">dyn</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">dyn</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// builtin custom syntax</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// contextual</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// reserved</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>'static 'self 'unsafe<span class="parenthesis macro">)</span></code></pre>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span>'static 'self 'unsafe<span class="parenthesis">)</span></code></pre>

16
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@ -54,21 +54,21 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">void</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span>discard<span class="punctuation">!</span><span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">Self</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">Self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="keyword macro">gen</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="keyword macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition and context dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">dyn</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">dyn</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// builtin custom syntax</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// contextual</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// reserved</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>'static 'self 'unsafe<span class="parenthesis macro">)</span></code></pre>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span>'static 'self 'unsafe<span class="parenthesis">)</span></code></pre>

50
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@ -0,0 +1,50 @@
<style>
body { margin: 0; }
pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padding: 0.4em; }
.lifetime { color: #DFAF8F; font-style: italic; }
.label { color: #DFAF8F; font-style: italic; }
.comment { color: #7F9F7F; }
.documentation { color: #629755; }
.intra_doc_link { font-style: italic; }
.injected { opacity: 0.65 ; }
.struct, .enum { color: #7CB8BB; }
.enum_variant { color: #BDE0F3; }
.string_literal { color: #CC9393; }
.field { color: #94BFF3; }
.function { color: #93E0E3; }
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.macro.unsafe { color: #BC8383; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
.builtin_type { color: #8CD0D3; }
.type_param { color: #DFAF8F; }
.attribute { color: #94BFF3; }
.numeric_literal { color: #BFEBBF; }
.bool_literal { color: #BFE6EB; }
.macro { color: #94BFF3; }
.proc_macro { color: #94BFF3; text-decoration: underline; }
.derive { color: #94BFF3; font-style: italic; }
.module { color: #AFD8AF; }
.value_param { color: #DCDCCC; }
.variable { color: #DCDCCC; }
.format_specifier { color: #CC696B; }
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }
.const { font-weight: bolder; }
.invalid_escape_sequence { color: #FC5555; text-decoration: wavy underline; }
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="module crate_root library">lib2015</span><span class="operator">::</span><span class="macro library">void_2015</span><span class="macro_bang">!</span><span class="parenthesis">(</span>try async await <span class="none macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="module crate_root library">lib2024</span><span class="operator">::</span><span class="macro library">void_2024</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="none macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
</code></pre>

18
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@ -47,21 +47,21 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
</style>
<pre><code><span class="keyword">use</span> <span class="module crate_root library">proc_macros</span><span class="operator">::</span><span class="brace">{</span><span class="function library">mirror</span><span class="comma">,</span> <span class="function library">identity</span><span class="comma">,</span> <span class="derive library">DeriveIdentity</span><span class="brace">}</span><span class="semicolon">;</span>
<span class="proc_macro library">mirror</span><span class="macro_bang">!</span> <span class="brace macro proc_macro">{</span>
<span class="proc_macro library">mirror</span><span class="macro_bang">!</span> <span class="brace">{</span>
<span class="brace macro proc_macro">{</span>
<span class="comma macro proc_macro">,</span><span class="builtin_type macro proc_macro">i32</span> <span class="colon macro proc_macro">:</span><span class="field declaration macro proc_macro public">x</span> <span class="keyword macro proc_macro">pub</span>
<span class="comma macro proc_macro">,</span><span class="builtin_type macro proc_macro">i32</span> <span class="colon macro proc_macro">:</span><span class="field declaration macro proc_macro public">y</span> <span class="keyword macro proc_macro">pub</span>
<span class="brace macro proc_macro">}</span> <span class="struct declaration macro proc_macro">Foo</span> <span class="keyword macro proc_macro">struct</span>
<span class="brace macro proc_macro">}</span>
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">def_fn</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="macro public">def_fn</span><span class="macro_bang">!</span> <span class="brace macro">{</span>
<span class="macro public">def_fn</span><span class="macro_bang">!</span> <span class="brace">{</span>
<span class="keyword macro">fn</span> <span class="function declaration macro">bar</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="operator macro">-</span><span class="operator macro">&gt;</span> <span class="builtin_type macro">u32</span> <span class="brace macro">{</span>
<span class="numeric_literal macro">100</span>
<span class="brace macro">}</span>
<span class="brace macro">}</span>
<span class="brace">}</span>
<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">dont_color_me_braces</span> <span class="brace">{</span>
<span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span><span class="numeric_literal">0</span><span class="brace">}</span>
@ -100,16 +100,16 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="macro default_library library">include</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"foo/"</span><span class="comma macro">,</span> <span class="string_literal macro">"foo.rs"</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">include</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"foo/"</span><span class="comma macro">,</span> <span class="string_literal macro">"foo.rs"</span><span class="parenthesis macro">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">struct</span> <span class="struct declaration">S</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">struct</span> <span class="struct declaration">TestLocal</span><span class="semicolon">;</span>
<span class="comment">// regression test, TestLocal here used to not resolve</span>
<span class="keyword">let</span> <span class="punctuation">_</span><span class="colon">:</span> <span class="struct">S</span><span class="angle">&lt;</span><span class="macro public">id</span><span class="macro_bang">!</span><span class="bracket macro">[</span><span class="struct macro">TestLocal</span><span class="bracket macro">]</span><span class="angle">&gt;</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span><span class="colon">:</span> <span class="struct">S</span><span class="angle">&lt;</span><span class="macro public">id</span><span class="macro_bang">!</span><span class="bracket">[</span><span class="struct macro">TestLocal</span><span class="bracket">]</span><span class="angle">&gt;</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="parenthesis macro">(</span><span class="numeric_literal macro">92</span><span class="comma macro">,</span><span class="parenthesis macro">)</span><span class="operator macro">.</span><span class="field library macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">dont_color_me_braces</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">noop</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="macro macro public">noop</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="parenthesis macro">(</span><span class="numeric_literal macro">92</span><span class="comma macro">,</span><span class="parenthesis macro">)</span><span class="operator macro">.</span><span class="field library macro">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">dont_color_me_braces</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">noop</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="macro macro public">noop</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
</code></pre>

116
crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
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@ -99,86 +99,86 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="byte_literal">b'</span><span class="escape_sequence">\xFF</span><span class="byte_literal">'</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// from https://doc.rust-lang.org/std/fmt/index.html</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"world"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "The number is 1"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="parenthesis macro">(</span><span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="numeric_literal macro">4</span><span class="parenthesis macro">)</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">value</span><span class="operator macro">=</span><span class="numeric_literal macro">4</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "4"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "1 2"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">42</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">argument</span> <span class="operator macro">=</span> <span class="string_literal macro">"test"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "test"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span> <span class="operator macro">=</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">a</span><span class="operator macro">=</span><span class="string_literal macro">"a"</span><span class="comma macro">,</span> <span class="variable declaration macro">b</span><span class="operator macro">=</span><span class="char_literal macro">'b'</span><span class="comma macro">,</span> <span class="variable declaration macro">c</span><span class="operator macro">=</span><span class="numeric_literal macro">3</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "a 3 b"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "{2}"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="variable declaration macro">width</span> <span class="operator macro">=</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">27</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">-</span><span class="numeric_literal macro">5</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">27</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="variable declaration macro">prec</span> <span class="operator macro">=</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="variable declaration macro">number</span> <span class="operator macro">=</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 fractional digits"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span><span class="operator macro">=</span><span class="numeric_literal macro">1234.56</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 characters"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span><span class="operator macro">=</span><span class="string_literal macro">"1234.56"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 right-aligned characters"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span><span class="operator macro">=</span><span class="string_literal macro">"1234.56"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello"</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"world"</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "The number is 1"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="parenthesis macro">(</span><span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="numeric_literal macro">4</span><span class="parenthesis macro">)</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">value</span><span class="operator macro">=</span><span class="numeric_literal macro">4</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "4"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "1 2"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">42</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">argument</span> <span class="operator macro">=</span> <span class="string_literal macro">"test"</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "test"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span> <span class="operator macro">=</span> <span class="numeric_literal macro">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "2 1"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">a</span><span class="operator macro">=</span><span class="string_literal macro">"a"</span><span class="comma macro">,</span> <span class="variable declaration macro">b</span><span class="operator macro">=</span><span class="char_literal macro">'b'</span><span class="comma macro">,</span> <span class="variable declaration macro">c</span><span class="operator macro">=</span><span class="numeric_literal macro">3</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "a 3 b"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">2</span><span class="parenthesis">)</span><span class="semicolon">;</span> <span class="comment">// =&gt; "{2}"</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="variable declaration macro">width</span> <span class="operator macro">=</span> <span class="numeric_literal macro">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">-</span><span class="numeric_literal macro">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="numeric_literal macro">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="string_literal macro">"x"</span><span class="comma macro">,</span> <span class="variable declaration macro">prec</span> <span class="operator macro">=</span> <span class="numeric_literal macro">5</span><span class="comma macro">,</span> <span class="variable declaration macro">number</span> <span class="operator macro">=</span> <span class="numeric_literal macro">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 fractional digits"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span><span class="operator macro">=</span><span class="numeric_literal macro">1234.56</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 characters"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span><span class="operator macro">=</span><span class="string_literal macro">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal macro">` has 3 right-aligned characters"</span><span class="comma macro">,</span> <span class="string_literal macro">"Hello"</span><span class="comma macro">,</span> <span class="numeric_literal macro">3</span><span class="comma macro">,</span> <span class="variable declaration macro">name</span><span class="operator macro">=</span><span class="string_literal macro">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">"{}"</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">"{{}}"</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">{{</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">{{</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro">Hello </span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">{{</span><span class="string_literal macro"> Hello</span><span class="escape_sequence">}}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"world"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">!"</span><span class="comma macro">,</span> <span class="string_literal macro">"world"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// escape sequences</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal macro">World"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal macro"> World"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal macro">World"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal macro"> World"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">"</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x00</span><span class="escape_sequence">\x63</span><span class="invalid_escape_sequence">\xFF</span><span class="escape_sequence">\u{FF}</span><span class="escape_sequence">\n</span><span class="string_literal">"</span><span class="semicolon">;</span> <span class="comment">// invalid non-UTF8 escape sequences</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">b"</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x28</span><span class="escape_sequence">\x00</span><span class="escape_sequence">\x63</span><span class="escape_sequence">\xFF</span><span class="invalid_escape_sequence">\u{FF}</span><span class="escape_sequence">\n</span><span class="string_literal">"</span><span class="semicolon">;</span> <span class="comment">// valid bytes, invalid unicodes</span>
<span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="string_literal">c"</span><span class="escape_sequence">\u{FF}</span><span class="escape_sequence">\xFF</span><span class="string_literal">"</span><span class="semicolon">;</span> <span class="comment">// valid bytes, valid unicodes</span>
<span class="keyword">let</span> <span class="variable declaration reference">backslash</span> <span class="operator">=</span> <span class="string_literal">r"\\"</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">A</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">ничоси</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">A</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">ничоси</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> "</span><span class="comma macro">,</span> <span class="unresolved_reference macro">thingy</span><span class="comma macro">,</span> <span class="unresolved_reference macro">n2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"{}"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"more </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"{}"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> asdasd"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">toho</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"{}fmt"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> "</span><span class="comma macro">,</span> <span class="unresolved_reference macro">thingy</span><span class="comma macro">,</span> <span class="unresolved_reference macro">n2</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"{}"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"more </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="bool_literal macro">true</span><span class="comma">,</span> <span class="string_literal macro">"{}"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="bool_literal macro">true</span><span class="comma">,</span> <span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> asdasd"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">toho</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"{}fmt"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">i</span><span class="colon">:</span> <span class="builtin_type">u64</span> <span class="operator">=</span> <span class="numeric_literal">3</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">o</span><span class="colon">:</span> <span class="builtin_type">u64</span><span class="semicolon">;</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span>
<span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">arch</span><span class="operator">::</span><span class="macro default_library library unsafe">asm</span><span class="macro_bang">!</span><span class="parenthesis">(</span>
<span class="string_literal macro">"mov {</span><span class="variable">0</span><span class="string_literal macro">}, {</span><span class="variable">1</span><span class="string_literal macro">}"</span><span class="comma macro">,</span>
<span class="string_literal macro">"add {</span><span class="variable">0</span><span class="string_literal macro">}, 5"</span><span class="comma macro">,</span>
<span class="keyword macro">out</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">o</span><span class="comma macro">,</span>
<span class="keyword control macro">in</span><span class="parenthesis macro">(</span><span class="reg library macro">reg</span><span class="parenthesis macro">)</span> <span class="variable macro">i</span><span class="comma macro">,</span>
<span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword const">const</span> <span class="constant const declaration">CONSTANT</span><span class="colon">:</span> <span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">=</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="colon">:</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">m</span> <span class="operator">=</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"{}"</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="string_literal macro">"{}"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">backslash</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">CONSTANT</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">m</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable macro reference">backslash</span><span class="comma macro">,</span> <span class="macro default_library library macro">format_args</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="unresolved_reference macro">foo</span><span class="comma macro">,</span> <span class="string_literal macro">"bar"</span><span class="comma macro">,</span> <span class="macro macro public">toho</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="variable macro reference">backslash</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public">reuse_twice</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">backslash</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="macro default_library library macro">concat</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"{}"</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="string_literal macro">"{}"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro default_library library">format_args</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">backslash</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">CONSTANT</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="variable">m</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable macro reference">backslash</span><span class="comma macro">,</span> <span class="macro default_library library macro">format_args</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="unresolved_reference macro">foo</span><span class="comma macro">,</span> <span class="string_literal macro">"bar"</span><span class="comma macro">,</span> <span class="macro macro public">toho</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="comma macro">,</span> <span class="variable macro reference">backslash</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">reuse_twice</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">backslash</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span></code></pre>

8
crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
View File

@ -92,13 +92,13 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="operator">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="punctuation">_</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">u</span> <span class="operator">=</span> <span class="union">Union</span> <span class="brace">{</span> <span class="field">b</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="macro public">id</span><span class="macro_bang">!</span> <span class="brace macro">{</span>
<span class="macro public">id</span><span class="macro_bang">!</span> <span class="brace">{</span>
<span class="keyword macro unsafe">unsafe</span> <span class="brace macro">{</span> <span class="macro macro public unsafe">unsafe_deref</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="brace macro">}</span>
<span class="brace macro">}</span><span class="semicolon">;</span>
<span class="brace">}</span><span class="semicolon">;</span>
<span class="keyword unsafe">unsafe</span> <span class="brace">{</span>
<span class="macro public unsafe">unsafe_deref</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro public unsafe">id</span><span class="macro_bang">!</span> <span class="brace macro">{</span> <span class="macro macro public unsafe">unsafe_deref</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="brace macro">}</span><span class="semicolon">;</span>
<span class="macro public unsafe">unsafe_deref</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public unsafe">id</span><span class="macro_bang">!</span> <span class="brace">{</span> <span class="macro macro public unsafe">unsafe_deref</span><span class="macro_bang macro">!</span><span class="parenthesis macro">(</span><span class="parenthesis macro">)</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="comment">// unsafe fn and method calls</span>
<span class="function unsafe">unsafe_fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>

27
crates/ide/src/syntax_highlighting/tests.rs
View File

@ -386,7 +386,7 @@ mod __ {
}
macro_rules! void {
($($tt:tt)*) => {}
($($tt:tt)*) => {discard!($($tt:tt)*)}
}
struct __ where Self:;
@ -411,6 +411,31 @@ void!('static 'self 'unsafe)
}
}
#[test]
fn test_keyword_macro_edition_highlighting() {
check_highlighting(
r#"
//- /main.rs crate:main edition:2018 deps:lib2015,lib2024
lib2015::void_2015!(try async await gen);
lib2024::void_2024!(try async await gen);
//- /lib2015.rs crate:lib2015 edition:2015
#[macro_export]
macro_rules! void_2015 {
($($tt:tt)*) => {discard!($($tt:tt)*)}
}
//- /lib2024.rs crate:lib2024 edition:2024
#[macro_export]
macro_rules! void_2024 {
($($tt:tt)*) => {discard!($($tt:tt)*)}
}
"#,
expect_file![format!("./test_data/highlight_keywords_macros.html")],
false,
);
}
#[test]
fn test_string_highlighting() {
// The format string detection is based on macro-expansion,

19
crates/parser/src/syntax_kind/generated.rs
View File

@ -147,9 +147,6 @@ pub enum SyntaxKind {
C_STRING,
FLOAT_NUMBER,
INT_NUMBER,
RAW_BYTE_STRING,
RAW_C_STRING,
RAW_STRING,
STRING,
COMMENT,
ERROR,
@ -343,9 +340,6 @@ impl SyntaxKind {
| C_STRING
| FLOAT_NUMBER
| INT_NUMBER
| RAW_BYTE_STRING
| RAW_C_STRING
| RAW_STRING
| STRING
| ABI
| ADT
@ -898,18 +892,7 @@ impl SyntaxKind {
)
}
pub fn is_literal(self) -> bool {
matches!(
self,
BYTE | BYTE_STRING
| CHAR
| C_STRING
| FLOAT_NUMBER
| INT_NUMBER
| RAW_BYTE_STRING
| RAW_C_STRING
| RAW_STRING
| STRING
)
matches!(self, BYTE | BYTE_STRING | CHAR | C_STRING | FLOAT_NUMBER | INT_NUMBER | STRING)
}
pub fn from_keyword(ident: &str, edition: Edition) -> Option<SyntaxKind> {
let kw = match ident {

6
crates/syntax/rust.ungram
View File

@ -438,9 +438,9 @@ MacroExpr =
Literal =
Attr* value:(
'@int_number' | '@float_number'
| '@string' | '@raw_string'
| '@byte_string' | '@raw_byte_string'
| '@c_string' | '@raw_c_string'
| '@string'
| '@byte_string'
| '@c_string'
| '@char' | '@byte'
| 'true' | 'false'
)

12
crates/test-utils/src/fixture.rs
View File

@ -218,16 +218,11 @@ impl FixtureWithProjectMeta {
);
}
if line.starts_with("//-") {
if let Some(line) = line.strip_prefix("//-") {
let meta = Self::parse_meta_line(line);
res.push(meta);
} else {
if line.starts_with("// ")
&& line.contains(':')
&& !line.contains("::")
&& !line.contains('.')
&& line.chars().all(|it| !it.is_uppercase())
{
if matches!(line.strip_prefix("// "), Some(l) if l.trim().starts_with('/')) {
panic!("looks like invalid metadata line: {line:?}");
}
@ -242,8 +237,7 @@ impl FixtureWithProjectMeta {
//- /lib.rs crate:foo deps:bar,baz cfg:foo=a,bar=b env:OUTDIR=path/to,OTHER=foo
fn parse_meta_line(meta: &str) -> Fixture {
assert!(meta.starts_with("//-"));
let meta = meta["//-".len()..].trim();
let meta = meta.trim();
let mut components = meta.split_ascii_whitespace();
let path = components.next().expect("fixture meta must start with a path").to_owned();