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Assign mutable semantic token modifier to assignment operators

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This commit is contained in:
Lukas Wirth 2021-07-13 18:32:02 +02:00
parent b3337c26db
commit d1256a3709
3 changed files with 10 additions and 7 deletions
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15
crates/ide/src/syntax_highlighting/highlight.rs
View File

@ -55,7 +55,6 @@ pub(super) fn element(
name_ref,
)
}
// Simple token-based highlighting
COMMENT => {
let comment = element.into_token().and_then(ast::Comment::cast)?;
@ -132,16 +131,18 @@ pub(super) fn element(
.into()
}
_ if parent_matches::<ast::PrefixExpr>(&element) => HlOperator::Other.into(),
T![+] | T![-] | T![*] | T![/] | T![+=] | T![-=] | T![*=] | T![/=]
if parent_matches::<ast::BinExpr>(&element) =>
{
T![+] | T![-] | T![*] | T![/] if parent_matches::<ast::BinExpr>(&element) => {
HlOperator::Arithmetic.into()
}
T![|] | T![&] | T![!] | T![^] | T![|=] | T![&=] | T![^=]
if parent_matches::<ast::BinExpr>(&element) =>
{
T![+=] | T![-=] | T![*=] | T![/=] if parent_matches::<ast::BinExpr>(&element) => {
Highlight::from(HlOperator::Arithmetic) | HlMod::Mutable
}
T![|] | T![&] | T![!] | T![^] if parent_matches::<ast::BinExpr>(&element) => {
HlOperator::Bitwise.into()
}
T![|=] | T![&=] | T![^=] if parent_matches::<ast::BinExpr>(&element) => {
Highlight::from(HlOperator::Bitwise) | HlMod::Mutable
}
T![&&] | T![||] if parent_matches::<ast::BinExpr>(&element) => {
HlOperator::Logical.into()
}

1
crates/ide/src/syntax_highlighting/test_data/highlighting.html
View File

@ -195,6 +195,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="macro">noop!</span><span class="parenthesis">(</span><span class="macro">noop</span><span class="macro">!</span><span class="parenthesis">(</span><span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</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="semicolon">;</span>
<span class="variable mutable">x</span> <span class="arithmetic mutable">+=</span> <span class="numeric_literal">1</span><span class="semicolon">;</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="semicolon">;</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="semicolon">;</span>

1
crates/ide/src/syntax_highlighting/tests.rs
View File

@ -168,6 +168,7 @@ fn main() {
noop!(noop!(1));
let mut x = 42;
x += 1;
let y = &mut x;
let z = &y;