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-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_strings.html2
-rw-r--r--crates/ide/src/syntax_highlighting/tests.rs2
-rw-r--r--crates/syntax/src/ast/token_ext.rs22
3 files changed, 26 insertions, 0 deletions
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html b/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
index 43f1b32fd..d398e1ec8 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
@@ -93,4 +93,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
93 93
94 <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="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span> 94 <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="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
95 <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="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span> 95 <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="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
96
97 <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="variable">x</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> thingy<span class="punctuation">,</span> n2<span class="punctuation">)</span><span class="punctuation">;</span>
96<span class="punctuation">}</span></code></pre> \ No newline at end of file 98<span class="punctuation">}</span></code></pre> \ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/tests.rs b/crates/ide/src/syntax_highlighting/tests.rs
index 5c22e2fce..1dc018a16 100644
--- a/crates/ide/src/syntax_highlighting/tests.rs
+++ b/crates/ide/src/syntax_highlighting/tests.rs
@@ -340,6 +340,8 @@ fn main() {
340 340
341 println!("{\x41}", A = 92); 341 println!("{\x41}", A = 92);
342 println!("{ничоси}", ничоси = 92); 342 println!("{ничоси}", ничоси = 92);
343
344 println!("{:x?} {} ", thingy, n2);
343}"# 345}"#
344 .trim(), 346 .trim(),
345 expect_file!["./test_data/highlight_strings.html"], 347 expect_file!["./test_data/highlight_strings.html"],
diff --git a/crates/syntax/src/ast/token_ext.rs b/crates/syntax/src/ast/token_ext.rs
index 2661c753e..ac0326420 100644
--- a/crates/syntax/src/ast/token_ext.rs
+++ b/crates/syntax/src/ast/token_ext.rs
@@ -331,10 +331,22 @@ pub trait HasFormatSpecifier: AstToken {
331 } 331 }
332 c if c == '_' || c.is_alphabetic() => { 332 c if c == '_' || c.is_alphabetic() => {
333 read_identifier(&mut chars, &mut callback); 333 read_identifier(&mut chars, &mut callback);
334
335 if chars.peek().and_then(|next| next.1.as_ref().ok()).copied()
336 == Some('?')
337 {
338 skip_char_and_emit(
339 &mut chars,
340 FormatSpecifier::QuestionMark,
341 &mut callback,
342 );
343 }
344
334 // can be either width (indicated by dollar sign, or type in which case 345 // can be either width (indicated by dollar sign, or type in which case
335 // the next sign has to be `}`) 346 // the next sign has to be `}`)
336 let next = 347 let next =
337 chars.peek().and_then(|next| next.1.as_ref().ok()).copied(); 348 chars.peek().and_then(|next| next.1.as_ref().ok()).copied();
349
338 match next { 350 match next {
339 Some('$') => skip_char_and_emit( 351 Some('$') => skip_char_and_emit(
340 &mut chars, 352 &mut chars,
@@ -417,6 +429,16 @@ pub trait HasFormatSpecifier: AstToken {
417 } 429 }
418 c if c == '_' || c.is_alphabetic() => { 430 c if c == '_' || c.is_alphabetic() => {
419 read_identifier(&mut chars, &mut callback); 431 read_identifier(&mut chars, &mut callback);
432
433 if chars.peek().and_then(|next| next.1.as_ref().ok()).copied()
434 == Some('?')
435 {
436 skip_char_and_emit(
437 &mut chars,
438 FormatSpecifier::QuestionMark,
439 &mut callback,
440 );
441 }
420 } 442 }
421 _ => {} 443 _ => {}
422 } 444 }