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https://github.com/rust-lang/rust.git
synced 2024-11-02 07:22:42 +00:00
Add semantic token modifier for crate root
This commit is contained in:
lhvy
parent
c30a6a2974
commit
dbb02370a4
@ -133,6 +133,7 @@ pub struct HlRange {
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// constant:: Emitted for consts.
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// consuming:: Emitted for locals that are being consumed when use in a function call.
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// controlFlow:: Emitted for control-flow related tokens, this includes the `?` operator.
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// crateRoot:: Emitted for crate names, like `serde` and `crate`.
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// declaration:: Emitted for names of definitions, like `foo` in `fn foo() {}`.
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// defaultLibrary:: Emitted for items from built-in crates (std, core, alloc, test and proc_macro).
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// documentation:: Emitted for documentation comments.
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@ -164,8 +164,10 @@ fn token(
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T![for] if !is_child_of_impl(&token) => h | HlMod::ControlFlow,
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T![unsafe] => h | HlMod::Unsafe,
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T![true] | T![false] => HlTag::BoolLiteral.into(),
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// self is handled as either a Name or NameRef already
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T![self] => return None,
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// crate is handled just as a token if it's in an `extern crate`
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T![crate] if parent_matches::<ast::ExternCrate>(&token) => h,
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// self, crate and super are handled as either a Name or NameRef already
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T![self] | T![crate] | T![super] => return None,
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T![ref] => token
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.parent()
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.and_then(ast::IdentPat::cast)
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@ -283,7 +285,7 @@ fn highlight_name_ref(
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}
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}
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};
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let h = match name_class {
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let mut h = match name_class {
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NameRefClass::Definition(def) => {
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if let Definition::Local(local) = &def {
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if let Some(name) = local.name(db) {
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@ -325,11 +327,15 @@ fn highlight_name_ref(
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}
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NameRefClass::FieldShorthand { .. } => SymbolKind::Field.into(),
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};
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if h.tag == HlTag::Symbol(SymbolKind::Module) && name_ref.self_token().is_some() {
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SymbolKind::SelfParam.into()
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} else {
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h
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if h.tag == HlTag::Symbol(SymbolKind::Module) {
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if name_ref.self_token().is_some() {
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return SymbolKind::SelfParam.into();
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}
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if name_ref.crate_token().is_some() || name_ref.super_token().is_some() {
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h.tag = HlTag::Keyword;
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}
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}
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h
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})
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}
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@ -393,7 +399,13 @@ fn highlight_def(
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Definition::Macro(_) => Highlight::new(HlTag::Symbol(SymbolKind::Macro)),
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Definition::Field(_) => Highlight::new(HlTag::Symbol(SymbolKind::Field)),
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Definition::ModuleDef(def) => match def {
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hir::ModuleDef::Module(_) => Highlight::new(HlTag::Symbol(SymbolKind::Module)),
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hir::ModuleDef::Module(module) => {
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let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Module));
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if module.parent(db).is_none() {
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h |= HlMod::CrateRoot
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}
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h
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}
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hir::ModuleDef::Function(func) => {
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let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Function));
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if let Some(item) = func.as_assoc_item(db) {
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@ -55,6 +55,8 @@ pub enum HlMod {
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Consuming,
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/// Used with keywords like `if` and `break`.
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ControlFlow,
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/// Used for crate names, like `serde`.
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CrateRoot,
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/// Used for items from built-in crates (std, core, alloc, test and proc_macro).
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DefaultLibrary,
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/// `foo` in `fn foo(x: i32)` is a definition, `foo` in `foo(90 + 2)` is
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@ -194,6 +196,7 @@ impl HlMod {
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HlMod::Callable,
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HlMod::Consuming,
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HlMod::ControlFlow,
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HlMod::CrateRoot,
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HlMod::DefaultLibrary,
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HlMod::Definition,
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HlMod::Documentation,
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@ -216,6 +219,7 @@ impl HlMod {
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HlMod::Callable => "callable",
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HlMod::Consuming => "consuming",
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HlMod::ControlFlow => "control",
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HlMod::CrateRoot => "crate_root",
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HlMod::DefaultLibrary => "default_library",
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HlMod::Definition => "declaration",
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HlMod::Documentation => "documentation",
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@ -0,0 +1,64 @@
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<style>
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body { margin: 0; }
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pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padding: 0.4em; }
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.lifetime { color: #DFAF8F; font-style: italic; }
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.label { color: #DFAF8F; font-style: italic; }
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.comment { color: #7F9F7F; }
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.documentation { color: #629755; }
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.intra_doc_link { font-style: italic; }
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.injected { opacity: 0.65 ; }
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.struct, .enum { color: #7CB8BB; }
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.enum_variant { color: #BDE0F3; }
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.string_literal { color: #CC9393; }
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.field { color: #94BFF3; }
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.function { color: #93E0E3; }
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.function.unsafe { color: #BC8383; }
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.trait.unsafe { color: #BC8383; }
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.operator.unsafe { color: #BC8383; }
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.mutable.unsafe { color: #BC8383; text-decoration: underline; }
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.keyword.unsafe { color: #BC8383; font-weight: bold; }
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.parameter { color: #94BFF3; }
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.text { color: #DCDCCC; }
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.type { color: #7CB8BB; }
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.builtin_type { color: #8CD0D3; }
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.type_param { color: #DFAF8F; }
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.attribute { color: #94BFF3; }
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.numeric_literal { color: #BFEBBF; }
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.bool_literal { color: #BFE6EB; }
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.macro { color: #94BFF3; }
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.module { color: #AFD8AF; }
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.value_param { color: #DCDCCC; }
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.variable { color: #DCDCCC; }
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.format_specifier { color: #CC696B; }
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.mutable { text-decoration: underline; }
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.escape_sequence { color: #94BFF3; }
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.keyword { color: #F0DFAF; font-weight: bold; }
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.control { font-style: italic; }
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.reference { font-style: italic; font-weight: bold; }
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.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
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</style>
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<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module crate_root library">foo</span><span class="semicolon">;</span>
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<span class="keyword">use</span> <span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">iter</span><span class="semicolon">;</span>
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<span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration public">NINETY_TWO</span><span class="colon">:</span> <span class="builtin_type">u8</span> <span class="operator">=</span> <span class="numeric_literal">92</span><span class="semicolon">;</span>
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<span class="keyword">use</span> <span class="module crate_root library">foo</span> <span class="keyword">as</span> <span class="module crate_root declaration library">foooo</span><span class="semicolon">;</span>
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<span class="keyword">pub</span><span class="parenthesis">(</span><span class="keyword crate_root">crate</span><span class="parenthesis">)</span> <span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
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<span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="module default_library library">iter</span><span class="operator">::</span><span class="function default_library library">repeat</span><span class="parenthesis">(</span><span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
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<span class="brace">}</span>
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<span class="keyword">mod</span> <span class="module declaration">bar</span> <span class="brace">{</span>
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<span class="keyword">pub</span><span class="parenthesis">(</span><span class="keyword control">in</span> <span class="keyword crate_root">super</span><span class="parenthesis">)</span> <span class="keyword">const</span> <span class="constant declaration">FORTY_TWO</span><span class="colon">:</span> <span class="builtin_type">u8</span> <span class="operator">=</span> <span class="numeric_literal">42</span><span class="semicolon">;</span>
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<span class="keyword">mod</span> <span class="module declaration">baz</span> <span class="brace">{</span>
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<span class="keyword">use</span> <span class="keyword">super</span><span class="operator">::</span><span class="keyword crate_root">super</span><span class="operator">::</span><span class="constant public">NINETY_TWO</span><span class="semicolon">;</span>
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<span class="keyword">use</span> <span class="keyword crate_root">crate</span><span class="operator">::</span><span class="module crate_root library">foooo</span><span class="operator">::</span><span class="struct library">Point</span><span class="semicolon">;</span>
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<span class="keyword">pub</span><span class="parenthesis">(</span><span class="keyword control">in</span> <span class="keyword">super</span><span class="operator">::</span><span class="keyword crate_root">super</span><span class="parenthesis">)</span> <span class="keyword">const</span> <span class="constant declaration">TWENTY_NINE</span><span class="colon">:</span> <span class="builtin_type">u8</span> <span class="operator">=</span> <span class="numeric_literal">29</span><span class="semicolon">;</span>
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<span class="brace">}</span>
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<span class="brace">}</span>
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</code></pre>
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@ -40,7 +40,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
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.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
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</style>
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<pre><code><span class="keyword">use</span> <span class="module default_library library">core</span><span class="operator">::</span><span class="module default_library library">iter</span><span class="semicolon">;</span>
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<pre><code><span class="keyword">use</span> <span class="module crate_root default_library library">core</span><span class="operator">::</span><span class="module default_library library">iter</span><span class="semicolon">;</span>
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<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
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<span class="keyword">let</span> <span class="variable declaration">foo</span> <span class="operator">=</span> <span class="enum_variant default_library library">Some</span><span class="parenthesis">(</span><span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
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@ -40,6 +40,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
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.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
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</style>
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<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module default_library library">std</span><span class="semicolon">;</span>
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<span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module default_library library">alloc</span> <span class="keyword">as</span> <span class="module default_library declaration library">abc</span><span class="semicolon">;</span>
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<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module crate_root default_library library">std</span><span class="semicolon">;</span>
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<span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module crate_root default_library library">alloc</span> <span class="keyword">as</span> <span class="module crate_root default_library declaration library">abc</span><span class="semicolon">;</span>
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</code></pre>
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@ -253,12 +253,12 @@ proc_macros::<span class="macro">mirror!</span> <span class="brace">{</span>
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<span class="brace">}</span>
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<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>
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<span class="keyword">let</span> <span class="variable declaration">bob</span> <span class="operator">=</span> <span class="module library">foo</span><span class="operator">::</span><span class="struct library">Person</span> <span class="brace">{</span>
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<span class="keyword">let</span> <span class="variable declaration">bob</span> <span class="operator">=</span> <span class="module crate_root library">foo</span><span class="operator">::</span><span class="struct library">Person</span> <span class="brace">{</span>
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<span class="field library">name</span><span class="colon">:</span> <span class="string_literal">"Bob"</span><span class="comma">,</span>
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<span class="field library">age</span><span class="colon">:</span> <span class="module library">foo</span><span class="operator">::</span><span class="module library">consts</span><span class="operator">::</span><span class="constant library">NUMBER</span><span class="comma">,</span>
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<span class="field library">age</span><span class="colon">:</span> <span class="module crate_root library">foo</span><span class="operator">::</span><span class="module library">consts</span><span class="operator">::</span><span class="constant library">NUMBER</span><span class="comma">,</span>
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<span class="brace">}</span><span class="semicolon">;</span>
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<span class="keyword">let</span> <span class="variable declaration">control_flow</span> <span class="operator">=</span> <span class="module library">foo</span><span class="operator">::</span><span class="function library">identity</span><span class="parenthesis">(</span><span class="module 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>
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<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>
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<span class="keyword control">if</span> <span class="variable">control_flow</span><span class="operator">.</span><span class="function associated consuming library">should_die</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
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foo::<span class="macro">die!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
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@ -776,6 +776,50 @@ fn test_extern_crate() {
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);
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}
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#[test]
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fn test_crate_root() {
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check_highlighting(
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r#"
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//- minicore: iterators
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//- /main.rs crate:main deps:foo
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extern crate foo;
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use core::iter;
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pub const NINETY_TWO: u8 = 92;
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use foo as foooo;
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pub(crate) fn main() {
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let baz = iter::repeat(92);
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}
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mod bar {
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pub(in super) const FORTY_TWO: u8 = 42;
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mod baz {
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use super::super::NINETY_TWO;
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use crate::foooo::Point;
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pub(in super::super) const TWENTY_NINE: u8 = 29;
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}
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}
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//- /foo.rs crate:foo
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struct Point {
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x: u8,
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y: u8,
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}
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mod inner {
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pub(super) fn swap(p: crate::Point) -> crate::Point {
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crate::Point { x: p.y, y: p.x }
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}
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}
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"#,
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expect_file!["./test_data/highlight_crate_root.html"],
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false,
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);
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}
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#[test]
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fn test_default_library() {
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check_highlighting(
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@ -94,6 +94,7 @@ define_semantic_token_modifiers![
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(CONSTANT, "constant"),
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(CONSUMING, "consuming"),
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(CONTROL_FLOW, "controlFlow"),
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(CRATE_ROOT, "crateRoot"),
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(INJECTED, "injected"),
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(INTRA_DOC_LINK, "intraDocLink"),
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(LIBRARY, "library"),
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@ -535,6 +535,7 @@ fn semantic_token_type_and_modifiers(
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HlMod::Callable => semantic_tokens::CALLABLE,
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HlMod::Consuming => semantic_tokens::CONSUMING,
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HlMod::ControlFlow => semantic_tokens::CONTROL_FLOW,
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HlMod::CrateRoot => semantic_tokens::CRATE_ROOT,
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HlMod::DefaultLibrary => lsp_types::SemanticTokenModifier::DEFAULT_LIBRARY,
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HlMod::Definition => lsp_types::SemanticTokenModifier::DECLARATION,
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HlMod::Documentation => lsp_types::SemanticTokenModifier::DOCUMENTATION,
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