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-rw-r--r--crates/ra_ide/src/snapshots/highlight_doctest.html1
-rw-r--r--crates/ra_ide/src/snapshots/highlight_injection.html1
-rw-r--r--crates/ra_ide/src/snapshots/highlight_strings.html7
-rw-r--r--crates/ra_ide/src/snapshots/highlight_unsafe.html1
-rw-r--r--crates/ra_ide/src/snapshots/highlighting.html1
-rw-r--r--crates/ra_ide/src/snapshots/rainbow_highlighting.html1
-rw-r--r--crates/ra_ide/src/syntax_highlighting.rs22
-rw-r--r--crates/ra_ide/src/syntax_highlighting/html.rs1
-rw-r--r--crates/ra_ide/src/syntax_highlighting/tags.rs2
-rw-r--r--crates/ra_ide/src/syntax_highlighting/tests.rs4
-rw-r--r--crates/rust-analyzer/src/semantic_tokens.rs1
-rw-r--r--crates/rust-analyzer/src/to_proto.rs1
12 files changed, 38 insertions, 5 deletions
diff --git a/crates/ra_ide/src/snapshots/highlight_doctest.html b/crates/ra_ide/src/snapshots/highlight_doctest.html
index 13a5d1b12..f92a0aba5 100644
--- a/crates/ra_ide/src/snapshots/highlight_doctest.html
+++ b/crates/ra_ide/src/snapshots/highlight_doctest.html
@@ -26,6 +26,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
26.format_specifier { color: #CC696B; } 26.format_specifier { color: #CC696B; }
27.mutable { text-decoration: underline; } 27.mutable { text-decoration: underline; }
28.unresolved_reference { color: #FC5555; } 28.unresolved_reference { color: #FC5555; }
29.escape_sequence { color: #94BFF3; }
29 30
30.keyword { color: #F0DFAF; font-weight: bold; } 31.keyword { color: #F0DFAF; font-weight: bold; }
31.keyword.unsafe { color: #BC8383; font-weight: bold; } 32.keyword.unsafe { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/snapshots/highlight_injection.html b/crates/ra_ide/src/snapshots/highlight_injection.html
index e1c9d3523..47dbd7bc8 100644
--- a/crates/ra_ide/src/snapshots/highlight_injection.html
+++ b/crates/ra_ide/src/snapshots/highlight_injection.html
@@ -26,6 +26,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
26.format_specifier { color: #CC696B; } 26.format_specifier { color: #CC696B; }
27.mutable { text-decoration: underline; } 27.mutable { text-decoration: underline; }
28.unresolved_reference { color: #FC5555; } 28.unresolved_reference { color: #FC5555; }
29.escape_sequence { color: #94BFF3; }
29 30
30.keyword { color: #F0DFAF; font-weight: bold; } 31.keyword { color: #F0DFAF; font-weight: bold; }
31.keyword.unsafe { color: #BC8383; font-weight: bold; } 32.keyword.unsafe { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/snapshots/highlight_strings.html b/crates/ra_ide/src/snapshots/highlight_strings.html
index 666b48fd0..b46fa44c6 100644
--- a/crates/ra_ide/src/snapshots/highlight_strings.html
+++ b/crates/ra_ide/src/snapshots/highlight_strings.html
@@ -26,6 +26,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
26.format_specifier { color: #CC696B; } 26.format_specifier { color: #CC696B; }
27.mutable { text-decoration: underline; } 27.mutable { text-decoration: underline; }
28.unresolved_reference { color: #FC5555; } 28.unresolved_reference { color: #FC5555; }
29.escape_sequence { color: #94BFF3; }
29 30
30.keyword { color: #F0DFAF; font-weight: bold; } 31.keyword { color: #F0DFAF; font-weight: bold; }
31.keyword.unsafe { color: #BC8383; font-weight: bold; } 32.keyword.unsafe { color: #BC8383; font-weight: bold; }
@@ -83,6 +84,10 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
83 84
84 <span class="macro">println!</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="string_literal">"world"</span>); 85 <span class="macro">println!</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="string_literal">"world"</span>);
85 86
86 <span class="macro">println!</span>(<span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span>, A = <span class="numeric_literal">92</span>); 87 <span class="comment">// escape sequences</span>
88 <span class="macro">println!</span>(<span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span>);
89 <span class="macro">println!</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>);
90
91 <span class="macro">println!</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>, A = <span class="numeric_literal">92</span>);
87 <span class="macro">println!</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>, ничоси = <span class="numeric_literal">92</span>); 92 <span class="macro">println!</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>, ничоси = <span class="numeric_literal">92</span>);
88}</code></pre> \ No newline at end of file 93}</code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/src/snapshots/highlight_unsafe.html b/crates/ra_ide/src/snapshots/highlight_unsafe.html
index e1540499b..73438fbb4 100644
--- a/crates/ra_ide/src/snapshots/highlight_unsafe.html
+++ b/crates/ra_ide/src/snapshots/highlight_unsafe.html
@@ -26,6 +26,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
26.format_specifier { color: #CC696B; } 26.format_specifier { color: #CC696B; }
27.mutable { text-decoration: underline; } 27.mutable { text-decoration: underline; }
28.unresolved_reference { color: #FC5555; } 28.unresolved_reference { color: #FC5555; }
29.escape_sequence { color: #94BFF3; }
29 30
30.keyword { color: #F0DFAF; font-weight: bold; } 31.keyword { color: #F0DFAF; font-weight: bold; }
31.keyword.unsafe { color: #BC8383; font-weight: bold; } 32.keyword.unsafe { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/snapshots/highlighting.html b/crates/ra_ide/src/snapshots/highlighting.html
index 52912dc93..0c4f0a018 100644
--- a/crates/ra_ide/src/snapshots/highlighting.html
+++ b/crates/ra_ide/src/snapshots/highlighting.html
@@ -26,6 +26,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
26.format_specifier { color: #CC696B; } 26.format_specifier { color: #CC696B; }
27.mutable { text-decoration: underline; } 27.mutable { text-decoration: underline; }
28.unresolved_reference { color: #FC5555; } 28.unresolved_reference { color: #FC5555; }
29.escape_sequence { color: #94BFF3; }
29 30
30.keyword { color: #F0DFAF; font-weight: bold; } 31.keyword { color: #F0DFAF; font-weight: bold; }
31.keyword.unsafe { color: #BC8383; font-weight: bold; } 32.keyword.unsafe { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/snapshots/rainbow_highlighting.html b/crates/ra_ide/src/snapshots/rainbow_highlighting.html
index 1d7f04882..a74a70069 100644
--- a/crates/ra_ide/src/snapshots/rainbow_highlighting.html
+++ b/crates/ra_ide/src/snapshots/rainbow_highlighting.html
@@ -26,6 +26,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
26.format_specifier { color: #CC696B; } 26.format_specifier { color: #CC696B; }
27.mutable { text-decoration: underline; } 27.mutable { text-decoration: underline; }
28.unresolved_reference { color: #FC5555; } 28.unresolved_reference { color: #FC5555; }
29.escape_sequence { color: #94BFF3; }
29 30
30.keyword { color: #F0DFAF; font-weight: bold; } 31.keyword { color: #F0DFAF; font-weight: bold; }
31.keyword.unsafe { color: #BC8383; font-weight: bold; } 32.keyword.unsafe { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/syntax_highlighting.rs b/crates/ra_ide/src/syntax_highlighting.rs
index 5a4de450c..854b6cc6d 100644
--- a/crates/ra_ide/src/syntax_highlighting.rs
+++ b/crates/ra_ide/src/syntax_highlighting.rs
@@ -212,8 +212,8 @@ pub(crate) fn highlight(
212 if let Some(string) = 212 if let Some(string) =
213 element_to_highlight.as_token().cloned().and_then(ast::String::cast) 213 element_to_highlight.as_token().cloned().and_then(ast::String::cast)
214 { 214 {
215 stack.push();
216 if is_format_string { 215 if is_format_string {
216 stack.push();
217 string.lex_format_specifier(|piece_range, kind| { 217 string.lex_format_specifier(|piece_range, kind| {
218 if let Some(highlight) = highlight_format_specifier(kind) { 218 if let Some(highlight) = highlight_format_specifier(kind) {
219 stack.add(HighlightedRange { 219 stack.add(HighlightedRange {
@@ -223,13 +223,27 @@ pub(crate) fn highlight(
223 }); 223 });
224 } 224 }
225 }); 225 });
226 stack.pop();
227 }
228 // Highlight escape sequences
229 if let Some(char_ranges) = string.char_ranges() {
230 stack.push();
231 for (piece_range, _) in char_ranges.iter().filter(|(_, char)| char.is_ok()) {
232 if string.text()[piece_range.start().into()..].starts_with('\\') {
233 stack.add(HighlightedRange {
234 range: piece_range + range.start(),
235 highlight: HighlightTag::EscapeSequence.into(),
236 binding_hash: None,
237 });
238 }
239 }
240 stack.pop_and_inject(false);
226 } 241 }
227 stack.pop();
228 } else if let Some(string) = 242 } else if let Some(string) =
229 element_to_highlight.as_token().cloned().and_then(ast::RawString::cast) 243 element_to_highlight.as_token().cloned().and_then(ast::RawString::cast)
230 { 244 {
231 stack.push();
232 if is_format_string { 245 if is_format_string {
246 stack.push();
233 string.lex_format_specifier(|piece_range, kind| { 247 string.lex_format_specifier(|piece_range, kind| {
234 if let Some(highlight) = highlight_format_specifier(kind) { 248 if let Some(highlight) = highlight_format_specifier(kind) {
235 stack.add(HighlightedRange { 249 stack.add(HighlightedRange {
@@ -239,8 +253,8 @@ pub(crate) fn highlight(
239 }); 253 });
240 } 254 }
241 }); 255 });
256 stack.pop();
242 } 257 }
243 stack.pop();
244 } 258 }
245 } 259 }
246 } 260 }
diff --git a/crates/ra_ide/src/syntax_highlighting/html.rs b/crates/ra_ide/src/syntax_highlighting/html.rs
index 853b4a20f..99b6b25ab 100644
--- a/crates/ra_ide/src/syntax_highlighting/html.rs
+++ b/crates/ra_ide/src/syntax_highlighting/html.rs
@@ -85,6 +85,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
85.format_specifier { color: #CC696B; } 85.format_specifier { color: #CC696B; }
86.mutable { text-decoration: underline; } 86.mutable { text-decoration: underline; }
87.unresolved_reference { color: #FC5555; } 87.unresolved_reference { color: #FC5555; }
88.escape_sequence { color: #94BFF3; }
88 89
89.keyword { color: #F0DFAF; font-weight: bold; } 90.keyword { color: #F0DFAF; font-weight: bold; }
90.keyword.unsafe { color: #BC8383; font-weight: bold; } 91.keyword.unsafe { color: #BC8383; font-weight: bold; }
diff --git a/crates/ra_ide/src/syntax_highlighting/tags.rs b/crates/ra_ide/src/syntax_highlighting/tags.rs
index 94f466966..400d22fb6 100644
--- a/crates/ra_ide/src/syntax_highlighting/tags.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tags.rs
@@ -23,6 +23,7 @@ pub enum HighlightTag {
23 Constant, 23 Constant,
24 Enum, 24 Enum,
25 EnumVariant, 25 EnumVariant,
26 EscapeSequence,
26 Field, 27 Field,
27 FormatSpecifier, 28 FormatSpecifier,
28 Function, 29 Function,
@@ -71,6 +72,7 @@ impl HighlightTag {
71 HighlightTag::Constant => "constant", 72 HighlightTag::Constant => "constant",
72 HighlightTag::Enum => "enum", 73 HighlightTag::Enum => "enum",
73 HighlightTag::EnumVariant => "enum_variant", 74 HighlightTag::EnumVariant => "enum_variant",
75 HighlightTag::EscapeSequence => "escape_sequence",
74 HighlightTag::Field => "field", 76 HighlightTag::Field => "field",
75 HighlightTag::FormatSpecifier => "format_specifier", 77 HighlightTag::FormatSpecifier => "format_specifier",
76 HighlightTag::Function => "function", 78 HighlightTag::Function => "function",
diff --git a/crates/ra_ide/src/syntax_highlighting/tests.rs b/crates/ra_ide/src/syntax_highlighting/tests.rs
index ebf5b50ac..b4d56a7a0 100644
--- a/crates/ra_ide/src/syntax_highlighting/tests.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tests.rs
@@ -246,6 +246,10 @@ fn main() {
246 246
247 println!(r"Hello, {}!", "world"); 247 println!(r"Hello, {}!", "world");
248 248
249 // escape sequences
250 println!("Hello\nWorld");
251 println!("\u{48}\x65\x6C\x6C\x6F World");
252
249 println!("{\x41}", A = 92); 253 println!("{\x41}", A = 92);
250 println!("{ничоси}", ничоси = 92); 254 println!("{ничоси}", ничоси = 92);
251}"# 255}"#
diff --git a/crates/rust-analyzer/src/semantic_tokens.rs b/crates/rust-analyzer/src/semantic_tokens.rs
index 6f125c37c..2ea63d33b 100644
--- a/crates/rust-analyzer/src/semantic_tokens.rs
+++ b/crates/rust-analyzer/src/semantic_tokens.rs
@@ -45,6 +45,7 @@ define_semantic_token_types![
45 (UNION, "union"), 45 (UNION, "union"),
46 (UNRESOLVED_REFERENCE, "unresolvedReference"), 46 (UNRESOLVED_REFERENCE, "unresolvedReference"),
47 (FORMAT_SPECIFIER, "formatSpecifier"), 47 (FORMAT_SPECIFIER, "formatSpecifier"),
48 (ESCAPE_SEQUENCE, "escapeSequence"),
48]; 49];
49 50
50macro_rules! define_semantic_token_modifiers { 51macro_rules! define_semantic_token_modifiers {
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 2851b4d31..055c97455 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -324,6 +324,7 @@ fn semantic_token_type_and_modifiers(
324 HighlightTag::UnresolvedReference => semantic_tokens::UNRESOLVED_REFERENCE, 324 HighlightTag::UnresolvedReference => semantic_tokens::UNRESOLVED_REFERENCE,
325 HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER, 325 HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER,
326 HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR, 326 HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR,
327 HighlightTag::EscapeSequence => semantic_tokens::ESCAPE_SEQUENCE,
327 }; 328 };
328 329
329 for modifier in highlight.modifiers.iter() { 330 for modifier in highlight.modifiers.iter() {