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Add new Punctuation highlight tag

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This commit is contained in:
Leander Tentrup 2020-07-15 16:34:11 +02:00
parent 33832d43fc
commit 119e71d9ea
10 changed files with 188 additions and 184 deletions
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2
crates/ra_ide/src/syntax_highlighting.rs
View file

@ -553,7 +553,7 @@ fn highlight_element(
T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => {
Highlight::new(HighlightTag::Macro)
}
p if p.is_punct() => HighlightTag::Operator.into(),
p if p.is_punct() => HighlightTag::Punctuation.into(),
k if k.is_keyword() => {
let h = Highlight::new(HighlightTag::Keyword);

2
crates/ra_ide/src/syntax_highlighting/tags.rs
View file

@ -32,6 +32,7 @@ pub enum HighlightTag {
Macro,
Module,
NumericLiteral,
Punctuation,
SelfKeyword,
SelfType,
Static,
@ -83,6 +84,7 @@ impl HighlightTag {
HighlightTag::Generic => "generic",
HighlightTag::Keyword => "keyword",
HighlightTag::Lifetime => "lifetime",
HighlightTag::Punctuation => "punctuation",
HighlightTag::Macro => "macro",
HighlightTag::Module => "module",
HighlightTag::NumericLiteral => "numeric_literal",

54
crates/ra_ide/test_data/highlight_doctest.html
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@ -36,67 +36,67 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="comment documentation">/// ```</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="operator injected">_</span><span class="generic injected"> </span><span class="operator injected">=</span><span class="generic injected"> </span><span class="string_literal injected">"early doctests should not go boom"</span><span class="operator injected">;</span><span class="operator injected">
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="punctuation injected">_</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="string_literal injected">"early doctests should not go boom"</span><span class="punctuation injected">;</span><span class="punctuation injected">
</span><span class="comment documentation">/// ```</span>
<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="operator">{</span>
<span class="field declaration">bar</span><span class="operator">:</span> <span class="builtin_type">bool</span><span class="operator">,</span>
<span class="operator">}</span>
<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="punctuation">{</span>
<span class="field declaration">bar</span><span class="punctuation">:</span> <span class="builtin_type">bool</span><span class="punctuation">,</span>
<span class="punctuation">}</span>
<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="operator">{</span>
<span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration">bar</span><span class="operator">:</span> <span class="builtin_type">bool</span> <span class="operator">=</span> <span class="bool_literal">true</span><span class="operator">;</span>
<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
<span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration">bar</span><span class="punctuation">:</span> <span class="builtin_type">bool</span> <span class="punctuation">=</span> <span class="bool_literal">true</span><span class="punctuation">;</span>
<span class="comment documentation">/// Constructs a new `Foo`.</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// # Examples</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// ```</span>
<span class="comment documentation">/// #</span><span class="generic injected"> </span><span class="operator injected">#</span><span class="operator injected">!</span><span class="operator injected">[</span><span class="function attribute injected">allow</span><span class="operator injected">(</span><span class="attribute injected">unused_mut</span><span class="operator injected">)</span><span class="operator injected">]</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="keyword injected">mut</span><span class="generic injected"> </span><span class="variable declaration injected mutable">foo</span><span class="operator injected">:</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="generic injected"> </span><span class="operator injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="operator injected">(</span><span class="operator injected">)</span><span class="operator injected">;</span><span class="operator injected">
<span class="comment documentation">/// #</span><span class="generic injected"> </span><span class="punctuation injected">#</span><span class="punctuation injected">!</span><span class="punctuation injected">[</span><span class="function attribute injected">allow</span><span class="punctuation injected">(</span><span class="attribute injected">unused_mut</span><span class="punctuation injected">)</span><span class="punctuation injected">]</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="keyword injected">mut</span><span class="generic injected"> </span><span class="variable declaration injected mutable">foo</span><span class="punctuation injected">:</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
</span> <span class="comment documentation">/// ```</span>
<span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration">new</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="struct">Foo</span> <span class="operator">{</span>
<span class="struct">Foo</span> <span class="operator">{</span> <span class="field">bar</span><span class="operator">:</span> <span class="bool_literal">true</span> <span class="operator">}</span>
<span class="operator">}</span>
<span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration">new</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
<span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">bar</span><span class="punctuation">:</span> <span class="bool_literal">true</span> <span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="comment documentation">/// `bar` method on `Foo`.</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// # Examples</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// ```</span>
<span class="comment documentation">/// </span><span class="keyword injected">use</span><span class="generic injected"> </span><span class="module injected">x</span><span class="operator injected">::</span><span class="module injected">y</span><span class="operator injected">;</span>
<span class="comment documentation">/// </span><span class="keyword injected">use</span><span class="generic injected"> </span><span class="module injected">x</span><span class="punctuation injected">::</span><span class="module injected">y</span><span class="punctuation injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foo</span><span class="generic injected"> </span><span class="operator injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="operator injected">(</span><span class="operator injected">)</span><span class="operator injected">;</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foo</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</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="macro injected">assert!</span><span class="operator injected">(</span><span class="generic injected">foo</span><span class="operator injected">.</span><span class="generic injected">bar</span><span class="operator injected">(</span><span class="operator injected">)</span><span class="operator injected">)</span><span class="operator injected">;</span>
<span class="comment documentation">/// </span><span class="macro injected">assert!</span><span class="punctuation injected">(</span><span class="generic injected">foo</span><span class="punctuation injected">.</span><span class="generic injected">bar</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">bar</span><span class="generic injected"> </span><span class="operator injected">=</span><span class="generic injected"> </span><span class="variable injected">foo</span><span class="operator injected">.</span><span class="field injected">bar</span><span class="generic injected"> </span><span class="operator injected">||</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="constant injected">bar</span><span class="operator injected">;</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">bar</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="variable injected">foo</span><span class="punctuation injected">.</span><span class="field injected">bar</span><span class="generic injected"> </span><span class="punctuation injected">||</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="constant injected">bar</span><span class="punctuation injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// </span><span class="comment injected">/* multi-line
</span><span class="comment documentation">/// </span><span class="comment injected"> comment */</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">multi_line_string</span><span class="generic injected"> </span><span class="operator injected">=</span><span class="generic injected"> </span><span class="string_literal injected">"Foo
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">multi_line_string</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="string_literal injected">"Foo
</span><span class="comment documentation">/// </span><span class="string_literal injected"> bar
</span><span class="comment documentation">/// </span><span class="string_literal injected"> "</span><span class="operator injected">;</span>
</span><span class="comment documentation">/// </span><span class="string_literal injected"> "</span><span class="punctuation injected">;</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// ```</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// ```rust,no_run</span>
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foobar</span><span class="generic injected"> </span><span class="operator injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="operator injected">(</span><span class="operator injected">)</span><span class="operator injected">.</span><span class="function injected">bar</span><span class="operator injected">(</span><span class="operator injected">)</span><span class="operator injected">;</span><span class="operator injected">
<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="generic injected"> </span><span class="variable declaration injected">foobar</span><span class="generic injected"> </span><span class="punctuation injected">=</span><span class="generic injected"> </span><span class="struct injected">Foo</span><span class="punctuation injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">.</span><span class="function injected">bar</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
</span> <span class="comment documentation">/// ```</span>
<span class="comment documentation">///</span>
<span class="comment documentation">/// ```sh</span>
<span class="comment documentation">/// echo 1</span>
<span class="comment documentation">/// ```</span>
<span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration">foo</span><span class="operator">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="operator">{</span>
<span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">bool</span> <span class="punctuation">{</span>
<span class="bool_literal">true</span>
<span class="operator">}</span>
<span class="operator">}</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="comment documentation">/// ```</span>
<span class="comment documentation">/// </span><span class="macro injected">noop!</span><span class="operator injected">(</span><span class="numeric_literal injected">1</span><span class="operator injected">)</span><span class="operator injected">;</span><span class="operator injected">
<span class="comment documentation">/// </span><span class="macro injected">noop!</span><span class="punctuation injected">(</span><span class="numeric_literal injected">1</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
</span><span class="comment documentation">/// ```</span>
<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> <span class="operator">{</span>
<span class="operator">(</span><span class="operator">$</span>expr<span class="operator">:</span>expr<span class="operator">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="operator">{</span>
<span class="operator">$</span>expr
<span class="operator">}</span>
<span class="operator">}</span></code></pre>
<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> <span class="punctuation">{</span>
<span class="punctuation">(</span><span class="punctuation">$</span>expr<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
<span class="punctuation">$</span>expr
<span class="punctuation">}</span>
<span class="punctuation">}</span></code></pre>

20
crates/ra_ide/test_data/highlight_injection.html
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@ -35,14 +35,14 @@ 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">fixture</span><span class="operator">(</span><span class="value_param declaration">ra_fixture</span><span class="operator">:</span> <span class="operator">&</span><span class="builtin_type">str</span><span class="operator">)</span> <span class="operator">{</span><span class="operator">}</span>
<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span><span class="punctuation">(</span><span class="value_param declaration">ra_fixture</span><span class="punctuation">:</span> <span class="punctuation">&</span><span class="builtin_type">str</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<span class="function">fixture</span><span class="operator">(</span><span class="string_literal">r#"</span>
<span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="operator">,</span> <span class="numeric_literal">4</span><span class="operator">)</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="operator">}</span><span class="string_literal">"#</span>
<span class="operator">)</span><span class="operator">;</span>
<span class="operator">}</span></code></pre>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="function">fixture</span><span class="punctuation">(</span><span class="string_literal">r#"</span>
<span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="punctuation">{</span>
<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span><span class="string_literal">"#</span>
<span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span></code></pre>

104
crates/ra_ide/test_data/highlight_strings.html
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@ -35,62 +35,62 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="macro">macro_rules!</span> <span class="macro declaration">println</span> <span class="operator">{</span>
<span class="operator">(</span><span class="operator">$</span><span class="operator">(</span><span class="operator">$</span>arg<span class="operator">:</span>tt<span class="operator">)</span>*<span class="operator">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="operator">(</span><span class="operator">{</span>
<span class="operator">$</span><span class="keyword">crate</span><span class="operator">:</span><span class="operator">:</span>io<span class="operator">:</span><span class="operator">:</span>_print<span class="operator">(</span><span class="operator">$</span><span class="keyword">crate</span><span class="operator">:</span><span class="operator">:</span>format_args_nl<span class="operator">!</span><span class="operator">(</span><span class="operator">$</span><span class="operator">(</span><span class="operator">$</span>arg<span class="operator">)</span>*<span class="operator">)</span><span class="operator">)</span><span class="operator">;</span>
<span class="operator">}</span><span class="operator">)</span>
<span class="operator">}</span>
<pre><code><span class="macro">macro_rules!</span> <span class="macro declaration">println</span> <span class="punctuation">{</span>
<span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>arg<span class="punctuation">:</span>tt<span class="punctuation">)</span>*<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">(</span><span class="punctuation">{</span>
<span class="punctuation">$</span><span class="keyword">crate</span><span class="punctuation">:</span><span class="punctuation">:</span>io<span class="punctuation">:</span><span class="punctuation">:</span>_print<span class="punctuation">(</span><span class="punctuation">$</span><span class="keyword">crate</span><span class="punctuation">:</span><span class="punctuation">:</span>format_args_nl<span class="punctuation">!</span><span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>arg<span class="punctuation">)</span>*<span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span><span class="punctuation">)</span>
<span class="punctuation">}</span>
#[rustc_builtin_macro]
<span class="macro">macro_rules!</span> <span class="macro declaration">format_args_nl</span> <span class="operator">{</span>
<span class="operator">(</span><span class="operator">$</span>fmt<span class="operator">:</span>expr<span class="operator">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="operator">{</span><span class="operator">{</span> <span class="comment">/* compiler built-in */</span> <span class="operator">}</span><span class="operator">}</span><span class="operator">;</span>
<span class="operator">(</span><span class="operator">$</span>fmt<span class="operator">:</span>expr<span class="operator">,</span> <span class="operator">$</span><span class="operator">(</span><span class="operator">$</span>args<span class="operator">:</span>tt<span class="operator">)</span>*<span class="operator">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="operator">{</span><span class="operator">{</span> <span class="comment">/* compiler built-in */</span> <span class="operator">}</span><span class="operator">}</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="macro">macro_rules!</span> <span class="macro declaration">format_args_nl</span> <span class="punctuation">{</span>
<span class="punctuation">(</span><span class="punctuation">$</span>fmt<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">{</span> <span class="comment">/* compiler built-in */</span> <span class="punctuation">}</span><span class="punctuation">}</span><span class="punctuation">;</span>
<span class="punctuation">(</span><span class="punctuation">$</span>fmt<span class="punctuation">:</span>expr<span class="punctuation">,</span> <span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>args<span class="punctuation">:</span>tt<span class="punctuation">)</span>*<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">{</span> <span class="comment">/* compiler built-in */</span> <span class="punctuation">}</span><span class="punctuation">}</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="comment">// from https://doc.rust-lang.org/std/fmt/index.html</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello"</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "Hello"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="operator">,</span> <span class="string_literal">"world"</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> <span class="numeric_literal">1</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "The number is 1"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</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">"</span><span class="operator">,</span> <span class="operator">(</span><span class="numeric_literal">3</span><span class="operator">,</span> <span class="numeric_literal">4</span><span class="operator">)</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> value<span class="operator">=</span><span class="numeric_literal">4</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "4"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> <span class="numeric_literal">1</span><span class="operator">,</span> <span class="numeric_literal">2</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "1 2"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</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">"</span><span class="operator">,</span> <span class="numeric_literal">42</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> <span class="numeric_literal">1</span><span class="operator">,</span> <span class="numeric_literal">2</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> argument <span class="operator">=</span> <span class="string_literal">"test"</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "test"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> <span class="numeric_literal">1</span><span class="operator">,</span> name <span class="operator">=</span> <span class="numeric_literal">2</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "2 1"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> a<span class="operator">=</span><span class="string_literal">"a"</span><span class="operator">,</span> b<span class="operator">=</span><span class="char_literal">'b'</span><span class="operator">,</span> c<span class="operator">=</span><span class="numeric_literal">3</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "a 3 b"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">}}"</span><span class="operator">,</span> <span class="numeric_literal">2</span><span class="operator">)</span><span class="operator">;</span> <span class="comment">// =&gt; "{2}"</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> width <span class="operator">=</span> <span class="numeric_literal">5</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</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">!"</span><span class="operator">,</span> <span class="numeric_literal">27</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"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">!"</span><span class="operator">,</span> <span class="operator">-</span><span class="numeric_literal">5</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</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">!"</span><span class="operator">,</span> <span class="numeric_literal">27</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> <span class="numeric_literal">0.01</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> <span class="numeric_literal">0.01</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">,</span> <span class="numeric_literal">0.01</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">,</span> <span class="numeric_literal">0.01</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> <span class="numeric_literal">5</span><span class="operator">,</span> <span class="numeric_literal">0.01</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="operator">,</span> <span class="string_literal">"x"</span><span class="operator">,</span> prec <span class="operator">=</span> <span class="numeric_literal">5</span><span class="operator">,</span> number <span class="operator">=</span> <span class="numeric_literal">0.01</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</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">` has 3 fractional digits"</span><span class="operator">,</span> <span class="string_literal">"Hello"</span><span class="operator">,</span> <span class="numeric_literal">3</span><span class="operator">,</span> name<span class="operator">=</span><span class="numeric_literal">1234.56</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</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">` has 3 characters"</span><span class="operator">,</span> <span class="string_literal">"Hello"</span><span class="operator">,</span> <span class="numeric_literal">3</span><span class="operator">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</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">` has 3 right-aligned characters"</span><span class="operator">,</span> <span class="string_literal">"Hello"</span><span class="operator">,</span> <span class="numeric_literal">3</span><span class="operator">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello {{}}"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"{{ Hello"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello"</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "Hello"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"world"</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "Hello, world!"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "The number is 1"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</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">"</span><span class="punctuation">,</span> <span class="punctuation">(</span><span class="numeric_literal">3</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "(3, 4)"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> value<span class="punctuation">=</span><span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "4"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "1 2"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</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">"</span><span class="punctuation">,</span> <span class="numeric_literal">42</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "0042" with leading zerosV</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "2 1 1 2"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> argument <span class="punctuation">=</span> <span class="string_literal">"test"</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "test"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> name <span class="punctuation">=</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "2 1"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> a<span class="punctuation">=</span><span class="string_literal">"a"</span><span class="punctuation">,</span> b<span class="punctuation">=</span><span class="char_literal">'b'</span><span class="punctuation">,</span> c<span class="punctuation">=</span><span class="numeric_literal">3</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "a 3 b"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">}}"</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="comment">// =&gt; "{2}"</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> width <span class="punctuation">=</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</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">!"</span><span class="punctuation">,</span> <span class="numeric_literal">27</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"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">!"</span><span class="punctuation">,</span> <span class="punctuation">-</span><span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</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">!"</span><span class="punctuation">,</span> <span class="numeric_literal">27</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> 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">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> prec <span class="punctuation">=</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> number <span class="punctuation">=</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</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">` has 3 fractional digits"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="punctuation">=</span><span class="numeric_literal">1234.56</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</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">` has 3 characters"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="punctuation">=</span><span class="string_literal">"1234.56"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</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">` has 3 right-aligned characters"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="punctuation">=</span><span class="string_literal">"1234.56"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello {{}}"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"{{ Hello"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="operator">,</span> <span class="string_literal">"world"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"world"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="comment">// escape sequences</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</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"> World"</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</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"> World"</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> A <span class="operator">=</span> <span class="numeric_literal">92</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="operator">,</span> ничоси <span class="operator">=</span> <span class="numeric_literal">92</span><span class="operator">)</span><span class="operator">;</span>
<span class="operator">}</span></code></pre>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> A <span class="punctuation">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> ничоси <span class="punctuation">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span></code></pre>

28
crates/ra_ide/test_data/highlight_unsafe.html
View file

@ -35,20 +35,20 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span><span class="operator">}</span>
<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="operator">;</span>
<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="punctuation">;</span>
<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="operator">{</span>
<span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_method</span><span class="operator">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="operator">)</span> <span class="operator">{</span><span class="operator">}</span>
<span class="operator">}</span>
<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="punctuation">{</span>
<span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<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">const</span> <span class="builtin_type">usize</span><span class="operator">;</span>
<span class="keyword unsafe">unsafe</span> <span class="operator">{</span>
<span class="function unsafe">unsafe_fn</span><span class="operator">(</span><span class="operator">)</span><span class="operator">;</span>
<span class="struct">HasUnsafeFn</span><span class="operator">.</span><span class="function unsafe">unsafe_method</span><span class="operator">(</span><span class="operator">)</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration">y</span> <span class="operator">=</span> <span class="operator unsafe">*</span><span class="operator">(</span><span class="variable">x</span><span class="operator">)</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration">z</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">x</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="operator">}</span></code></pre>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="punctuation">=</span> <span class="punctuation">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> *<span class="keyword">const</span> <span class="builtin_type">usize</span><span class="punctuation">;</span>
<span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
<span class="function unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="struct">HasUnsafeFn</span><span class="punctuation">.</span><span class="function unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">y</span> <span class="punctuation">=</span> <span class="operator unsafe">*</span><span class="punctuation">(</span><span class="variable">x</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">z</span> <span class="punctuation">=</span> <span class="punctuation">-</span><span class="variable">x</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span></code></pre>

140
crates/ra_ide/test_data/highlighting.html
View file

@ -35,94 +35,94 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="operator">#</span><span class="operator">[</span><span class="function attribute">derive</span><span class="operator">(</span><span class="attribute">Clone</span><span class="operator">,</span><span class="attribute"> Debug</span><span class="operator">)</span><span class="operator">]</span>
<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="operator">{</span>
<span class="keyword">pub</span> <span class="field declaration">x</span><span class="operator">:</span> <span class="builtin_type">i32</span><span class="operator">,</span>
<span class="keyword">pub</span> <span class="field declaration">y</span><span class="operator">:</span> <span class="builtin_type">i32</span><span class="operator">,</span>
<span class="operator">}</span>
<pre><code><span class="punctuation">#</span><span class="punctuation">[</span><span class="function attribute">derive</span><span class="punctuation">(</span><span class="attribute">Clone</span><span class="punctuation">,</span><span class="attribute"> Debug</span><span class="punctuation">)</span><span class="punctuation">]</span>
<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="punctuation">{</span>
<span class="keyword">pub</span> <span class="field declaration">x</span><span class="punctuation">:</span> <span class="builtin_type">i32</span><span class="punctuation">,</span>
<span class="keyword">pub</span> <span class="field declaration">y</span><span class="punctuation">:</span> <span class="builtin_type">i32</span><span class="punctuation">,</span>
<span class="punctuation">}</span>
<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="operator">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="punctuation">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">i32</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="operator">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="operator">{</span>
<span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
<span class="operator">}</span>
<span class="operator">}</span>
<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
<span class="self_keyword">self</span><span class="punctuation">.</span><span class="field">x</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">baz</span><span class="operator">(</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="operator">{</span>
<span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
<span class="operator">}</span>
<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
<span class="keyword">fn</span> <span class="function declaration">baz</span><span class="punctuation">(</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
<span class="self_keyword">self</span><span class="punctuation">.</span><span class="field">x</span>
<span class="punctuation">}</span>
<span class="keyword">fn</span> <span class="function declaration">qux</span><span class="operator">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="operator">)</span> <span class="operator">{</span>
<span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="operator">}</span>
<span class="keyword">fn</span> <span class="function declaration">qux</span><span class="punctuation">(</span><span class="punctuation">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="self_keyword mutable">self</span><span class="punctuation">.</span><span class="field">x</span> <span class="punctuation">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable">STATIC_MUT</span><span class="operator">:</span> <span class="builtin_type">i32</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="operator">;</span>
<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable">STATIC_MUT</span><span class="punctuation">:</span> <span class="builtin_type">i32</span> <span class="punctuation">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="operator">&lt;</span><span class="lifetime declaration">'a</span><span class="operator">,</span> <span class="type_param declaration">T</span><span class="operator">&gt;</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="type_param">T</span> <span class="operator">{</span>
<span class="function">foo</span><span class="operator">::</span><span class="operator">&lt;</span><span class="lifetime">'a</span><span class="operator">,</span> <span class="builtin_type">i32</span><span class="operator">&gt;</span><span class="operator">(</span><span class="operator">)</span>
<span class="operator">}</span>
<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">&lt;</span><span class="lifetime declaration">'a</span><span class="punctuation">,</span> <span class="type_param declaration">T</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="type_param">T</span> <span class="punctuation">{</span>
<span class="function">foo</span><span class="punctuation">::</span><span class="punctuation">&lt;</span><span class="lifetime">'a</span><span class="punctuation">,</span> <span class="builtin_type">i32</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span>
<span class="punctuation">}</span>
<span class="macro">macro_rules!</span> <span class="macro declaration">def_fn</span> <span class="operator">{</span>
<span class="operator">(</span><span class="operator">$</span><span class="operator">(</span><span class="operator">$</span>tt<span class="operator">:</span>tt<span class="operator">)</span>*<span class="operator">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="operator">{</span><span class="operator">$</span><span class="operator">(</span><span class="operator">$</span>tt<span class="operator">)</span>*<span class="operator">}</span>
<span class="operator">}</span>
<span class="macro">macro_rules!</span> <span class="macro declaration">def_fn</span> <span class="punctuation">{</span>
<span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>tt<span class="punctuation">:</span>tt<span class="punctuation">)</span>*<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>tt<span class="punctuation">)</span>*<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="macro">def_fn!</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">-</span><span class="operator">&gt;</span> <span class="builtin_type">u32</span> <span class="operator">{</span>
<span class="macro">def_fn!</span> <span class="punctuation">{</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">-</span><span class="punctuation">&gt;</span> <span class="builtin_type">u32</span> <span class="punctuation">{</span>
<span class="numeric_literal">100</span>
<span class="operator">}</span>
<span class="operator">}</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> <span class="operator">{</span>
<span class="operator">(</span><span class="operator">$</span>expr<span class="operator">:</span>expr<span class="operator">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="operator">{</span>
<span class="operator">$</span>expr
<span class="operator">}</span>
<span class="operator">}</span>
<span class="macro">macro_rules!</span> <span class="macro declaration">noop</span> <span class="punctuation">{</span>
<span class="punctuation">(</span><span class="punctuation">$</span>expr<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="punctuation">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
<span class="punctuation">$</span>expr
<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="comment">// comment</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<span class="macro">println!</span><span class="operator">(</span><span class="string_literal">"Hello, {}!"</span><span class="operator">,</span> <span class="numeric_literal">92</span><span class="operator">)</span><span class="operator">;</span>
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello, {}!"</span><span class="punctuation">,</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">vec</span> <span class="operator">=</span> <span class="unresolved_reference">Vec</span><span class="operator">::</span><span class="unresolved_reference">new</span><span class="operator">(</span><span class="operator">)</span><span class="operator">;</span>
<span class="keyword control">if</span> <span class="bool_literal">true</span> <span class="operator">{</span>
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="numeric_literal">92</span><span class="operator">;</span>
<span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">push</span><span class="operator">(</span><span class="struct">Foo</span> <span class="operator">{</span> <span class="field">x</span><span class="operator">,</span> <span class="field">y</span><span class="operator">:</span> <span class="numeric_literal">1</span> <span class="operator">}</span><span class="operator">)</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="keyword unsafe">unsafe</span> <span class="operator">{</span>
<span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">set_len</span><span class="operator">(</span><span class="numeric_literal">0</span><span class="operator">)</span><span class="operator">;</span>
<span class="static mutable">STATIC_MUT</span> <span class="operator">=</span> <span class="numeric_literal">1</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">vec</span> <span class="punctuation">=</span> <span class="unresolved_reference">Vec</span><span class="punctuation">::</span><span class="unresolved_reference">new</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword control">if</span> <span class="bool_literal">true</span> <span class="punctuation">{</span>
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="punctuation">=</span> <span class="numeric_literal">92</span><span class="punctuation">;</span>
<span class="variable mutable">vec</span><span class="punctuation">.</span><span class="unresolved_reference">push</span><span class="punctuation">(</span><span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">,</span> <span class="field">y</span><span class="punctuation">:</span> <span class="numeric_literal">1</span> <span class="punctuation">}</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
<span class="variable mutable">vec</span><span class="punctuation">.</span><span class="unresolved_reference">set_len</span><span class="punctuation">(</span><span class="numeric_literal">0</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="static mutable">STATIC_MUT</span> <span class="punctuation">=</span> <span class="numeric_literal">1</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> <span class="operator">{</span>
<span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> <span class="punctuation">{</span>
<span class="comment">// Do nothing</span>
<span class="operator">}</span>
<span class="punctuation">}</span>
<span class="macro">noop!</span><span class="operator">(</span><span class="macro">noop</span><span class="macro">!</span><span class="operator">(</span><span class="numeric_literal">1</span><span class="operator">)</span><span class="operator">)</span><span class="operator">;</span>
<span class="macro">noop!</span><span class="punctuation">(</span><span class="macro">noop</span><span class="macro">!</span><span class="punctuation">(</span><span class="numeric_literal">1</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> <span class="operator">=</span> <span class="numeric_literal">42</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration mutable">y</span> <span class="operator">=</span> <span class="operator">&</span><span class="keyword">mut</span> <span class="variable mutable">x</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration">z</span> <span class="operator">=</span> <span class="operator">&</span><span class="variable mutable">y</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> <span class="punctuation">=</span> <span class="numeric_literal">42</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration mutable">y</span> <span class="punctuation">=</span> <span class="punctuation">&</span><span class="keyword">mut</span> <span class="variable mutable">x</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">z</span> <span class="punctuation">=</span> <span class="punctuation">&</span><span class="variable mutable">y</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="struct">Foo</span> <span class="operator">{</span> <span class="field">x</span><span class="operator">:</span> <span class="variable declaration">z</span><span class="operator">,</span> <span class="field">y</span> <span class="operator">}</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="operator">{</span> <span class="field">x</span><span class="operator">:</span> <span class="variable">z</span><span class="operator">,</span> <span class="field">y</span> <span class="operator">}</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">:</span> <span class="variable declaration">z</span><span class="punctuation">,</span> <span class="field">y</span> <span class="punctuation">}</span> <span class="punctuation">=</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">:</span> <span class="variable">z</span><span class="punctuation">,</span> <span class="field">y</span> <span class="punctuation">}</span><span class="punctuation">;</span>
<span class="variable">y</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="variable">y</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="keyword">enum</span> <span class="enum declaration">Option</span><span class="operator">&lt;</span><span class="type_param declaration">T</span><span class="operator">&gt;</span> <span class="operator">{</span>
<span class="enum_variant declaration">Some</span><span class="operator">(</span><span class="type_param">T</span><span class="operator">)</span><span class="operator">,</span>
<span class="enum_variant declaration">None</span><span class="operator">,</span>
<span class="operator">}</span>
<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span>*<span class="operator">;</span>
<span class="keyword">enum</span> <span class="enum declaration">Option</span><span class="punctuation">&lt;</span><span class="type_param declaration">T</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
<span class="enum_variant declaration">Some</span><span class="punctuation">(</span><span class="type_param">T</span><span class="punctuation">)</span><span class="punctuation">,</span>
<span class="enum_variant declaration">None</span><span class="punctuation">,</span>
<span class="punctuation">}</span>
<span class="keyword">use</span> <span class="enum">Option</span><span class="punctuation">::</span>*<span class="punctuation">;</span>
<span class="keyword">impl</span><span class="operator">&lt;</span><span class="type_param declaration">T</span><span class="operator">&gt;</span> <span class="enum">Option</span><span class="operator">&lt;</span><span class="type_param">T</span><span class="operator">&gt;</span> <span class="operator">{</span>
<span class="keyword">fn</span> <span class="function declaration">and</span><span class="operator">&lt;</span><span class="type_param declaration">U</span><span class="operator">&gt;</span><span class="operator">(</span><span class="self_keyword">self</span><span class="operator">,</span> <span class="value_param declaration">other</span><span class="operator">:</span> <span class="enum">Option</span><span class="operator">&lt;</span><span class="type_param">U</span><span class="operator">&gt;</span><span class="operator">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="operator">&lt;</span><span class="operator">(</span><span class="type_param">T</span><span class="operator">,</span> <span class="type_param">U</span><span class="operator">)</span><span class="operator">&gt;</span> <span class="operator">{</span>
<span class="keyword control">match</span> <span class="value_param">other</span> <span class="operator">{</span>
<span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="operator">(</span><span class="operator">)</span><span class="operator">,</span>
<span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="operator">,</span>
<span class="operator">}</span>
<span class="operator">}</span>
<span class="operator">}</span></code></pre>
<span class="keyword">impl</span><span class="punctuation">&lt;</span><span class="type_param declaration">T</span><span class="punctuation">&gt;</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="type_param">T</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
<span class="keyword">fn</span> <span class="function declaration">and</span><span class="punctuation">&lt;</span><span class="type_param declaration">U</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="self_keyword">self</span><span class="punctuation">,</span> <span class="value_param declaration">other</span><span class="punctuation">:</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="type_param">U</span><span class="punctuation">&gt;</span><span class="punctuation">)</span> <span class="punctuation">-&gt;</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="punctuation">(</span><span class="type_param">T</span><span class="punctuation">,</span> <span class="type_param">U</span><span class="punctuation">)</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
<span class="keyword control">match</span> <span class="value_param">other</span> <span class="punctuation">{</span>
<span class="enum_variant">None</span> <span class="punctuation">=&gt;</span> <span class="macro">unimplemented!</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
<span class="variable declaration">Nope</span> <span class="punctuation">=&gt;</span> <span class="variable">Nope</span><span class="punctuation">,</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span>
<span class="punctuation">}</span></code></pre>

20
crates/ra_ide/test_data/rainbow_highlighting.html
View file

@ -35,15 +35,15 @@ 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="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> <span class="operator">=</span> <span class="string_literal">"hello"</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="2705725358298919760" style="color: hsl(17,51%,74%);">x</span> <span class="operator">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="operator">(</span><span class="operator">)</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="3365759661443752373" style="color: hsl(127,76%,66%);">y</span> <span class="operator">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="operator">(</span><span class="operator">)</span><span class="operator">;</span>
<pre><code><span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> <span class="punctuation">=</span> <span class="string_literal">"hello"</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="2705725358298919760" style="color: hsl(17,51%,74%);">x</span> <span class="punctuation">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span><span class="punctuation">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="3365759661443752373" style="color: hsl(127,76%,66%);">y</span> <span class="punctuation">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span><span class="punctuation">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span> <span class="operator">=</span> <span class="string_literal">"other color please!"</span><span class="operator">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="6717528807933952652" style="color: hsl(85,49%,84%);">y</span> <span class="operator">=</span> <span class="variable" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="operator">(</span><span class="operator">)</span><span class="operator">;</span>
<span class="operator">}</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span> <span class="punctuation">=</span> <span class="string_literal">"other color please!"</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration" data-binding-hash="6717528807933952652" style="color: hsl(85,49%,84%);">y</span> <span class="punctuation">=</span> <span class="variable" data-binding-hash="794745962933817518" style="color: hsl(19,74%,76%);">x</span><span class="punctuation">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="operator">(</span><span class="operator">)</span> <span class="operator">{</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> <span class="operator">=</span> <span class="string_literal">"hello"</span><span class="operator">;</span>
<span class="operator">}</span></code></pre>
<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable" data-binding-hash="8121853618659664005" style="color: hsl(261,57%,61%);">hello</span> <span class="punctuation">=</span> <span class="string_literal">"hello"</span><span class="punctuation">;</span>
<span class="punctuation">}</span></code></pre>

1
crates/rust-analyzer/src/semantic_tokens.rs
View file

@ -43,6 +43,7 @@ define_semantic_token_types![
(FORMAT_SPECIFIER, "formatSpecifier"),
(GENERIC, "generic"),
(LIFETIME, "lifetime"),
(PUNCTUATION, "punctuation"),
(SELF_KEYWORD, "selfKeyword"),
(TYPE_ALIAS, "typeAlias"),
(UNION, "union"),

1
crates/rust-analyzer/src/to_proto.rs
View file

@ -327,6 +327,7 @@ fn semantic_token_type_and_modifiers(
HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER,
HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR,
HighlightTag::EscapeSequence => semantic_tokens::ESCAPE_SEQUENCE,
HighlightTag::Punctuation => semantic_tokens::PUNCTUATION,
};
for modifier in highlight.modifiers.iter() {