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authorPaul Daniel Faria <[email protected]>2020-06-02 23:49:09 +0100
committerPaul Daniel Faria <[email protected]>2020-06-02 23:54:00 +0100
commita9cb2933fbeddef4ed70bde77ded4f9bb185548e (patch)
tree9c501036768cc44dd687fd555d5df1e257f6b62c /crates/ra_ide/src
parent2f6ab77708ae104c854712285af19516287b6906 (diff)
Add highlight support for unsafe fn calls and raw ptr deref
Diffstat (limited to 'crates/ra_ide/src')
-rw-r--r--crates/ra_ide/src/snapshots/highlight_injection.html1
-rw-r--r--crates/ra_ide/src/snapshots/highlight_strings.html1
-rw-r--r--crates/ra_ide/src/snapshots/highlight_unsafe.html48
-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.rs25
-rw-r--r--crates/ra_ide/src/syntax_highlighting/html.rs1
-rw-r--r--crates/ra_ide/src/syntax_highlighting/tags.rs8
-rw-r--r--crates/ra_ide/src/syntax_highlighting/tests.rs31
9 files changed, 112 insertions, 5 deletions
diff --git a/crates/ra_ide/src/snapshots/highlight_injection.html b/crates/ra_ide/src/snapshots/highlight_injection.html
index 68fc589bc..fcdc98201 100644
--- a/crates/ra_ide/src/snapshots/highlight_injection.html
+++ b/crates/ra_ide/src/snapshots/highlight_injection.html
@@ -10,6 +10,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
10.string_literal { color: #CC9393; } 10.string_literal { color: #CC9393; }
11.field { color: #94BFF3; } 11.field { color: #94BFF3; }
12.function { color: #93E0E3; } 12.function { color: #93E0E3; }
13.operator.unsafe { color: #E28C14; }
13.parameter { color: #94BFF3; } 14.parameter { color: #94BFF3; }
14.text { color: #DCDCCC; } 15.text { color: #DCDCCC; }
15.type { color: #7CB8BB; } 16.type { color: #7CB8BB; }
diff --git a/crates/ra_ide/src/snapshots/highlight_strings.html b/crates/ra_ide/src/snapshots/highlight_strings.html
index 41cddd0ff..e97192b61 100644
--- a/crates/ra_ide/src/snapshots/highlight_strings.html
+++ b/crates/ra_ide/src/snapshots/highlight_strings.html
@@ -10,6 +10,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
10.string_literal { color: #CC9393; } 10.string_literal { color: #CC9393; }
11.field { color: #94BFF3; } 11.field { color: #94BFF3; }
12.function { color: #93E0E3; } 12.function { color: #93E0E3; }
13.operator.unsafe { color: #E28C14; }
13.parameter { color: #94BFF3; } 14.parameter { color: #94BFF3; }
14.text { color: #DCDCCC; } 15.text { color: #DCDCCC; }
15.type { color: #7CB8BB; } 16.type { color: #7CB8BB; }
diff --git a/crates/ra_ide/src/snapshots/highlight_unsafe.html b/crates/ra_ide/src/snapshots/highlight_unsafe.html
new file mode 100644
index 000000000..17ffc727c
--- /dev/null
+++ b/crates/ra_ide/src/snapshots/highlight_unsafe.html
@@ -0,0 +1,48 @@
1
2<style>
3body { margin: 0; }
4pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padding: 0.4em; }
5
6.lifetime { color: #DFAF8F; font-style: italic; }
7.comment { color: #7F9F7F; }
8.struct, .enum { color: #7CB8BB; }
9.enum_variant { color: #BDE0F3; }
10.string_literal { color: #CC9393; }
11.field { color: #94BFF3; }
12.function { color: #93E0E3; }
13.operator.unsafe { color: #E28C14; }
14.parameter { color: #94BFF3; }
15.text { color: #DCDCCC; }
16.type { color: #7CB8BB; }
17.builtin_type { color: #8CD0D3; }
18.type_param { color: #DFAF8F; }
19.attribute { color: #94BFF3; }
20.numeric_literal { color: #BFEBBF; }
21.bool_literal { color: #BFE6EB; }
22.macro { color: #94BFF3; }
23.module { color: #AFD8AF; }
24.variable { color: #DCDCCC; }
25.format_specifier { color: #CC696B; }
26.mutable { text-decoration: underline; }
27
28.keyword { color: #F0DFAF; font-weight: bold; }
29.keyword.unsafe { color: #BC8383; font-weight: bold; }
30.control { font-style: italic; }
31</style>
32<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span>() {}
33
34<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span>;
35
36<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> {
37 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_method</span>(&<span class="self_keyword">self</span>) {}
38}
39
40<span class="keyword">fn</span> <span class="function declaration">main</span>() {
41 <span class="keyword">let</span> <span class="variable declaration">x</span> = &<span class="numeric_literal">5</span> <span class="keyword">as</span> *<span class="keyword">const</span> <span class="builtin_type">usize</span>;
42 <span class="keyword unsafe">unsafe</span> {
43 <span class="function unsafe">unsafe_fn</span>();
44 <span class="struct">HasUnsafeFn</span>.<span class="function unsafe">unsafe_method</span>();
45 <span class="keyword">let</span> <span class="variable declaration">y</span> = <span class="operator unsafe">*</span><span class="variable">x</span>;
46 <span class="keyword">let</span> <span class="variable declaration">z</span> = -<span class="variable">x</span>;
47 }
48}</code></pre> \ No newline at end of file
diff --git a/crates/ra_ide/src/snapshots/highlighting.html b/crates/ra_ide/src/snapshots/highlighting.html
index 352e35095..42c5f3e55 100644
--- a/crates/ra_ide/src/snapshots/highlighting.html
+++ b/crates/ra_ide/src/snapshots/highlighting.html
@@ -10,6 +10,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
10.string_literal { color: #CC9393; } 10.string_literal { color: #CC9393; }
11.field { color: #94BFF3; } 11.field { color: #94BFF3; }
12.function { color: #93E0E3; } 12.function { color: #93E0E3; }
13.operator.unsafe { color: #E28C14; }
13.parameter { color: #94BFF3; } 14.parameter { color: #94BFF3; }
14.text { color: #DCDCCC; } 15.text { color: #DCDCCC; }
15.type { color: #7CB8BB; } 16.type { color: #7CB8BB; }
diff --git a/crates/ra_ide/src/snapshots/rainbow_highlighting.html b/crates/ra_ide/src/snapshots/rainbow_highlighting.html
index 2a0294f71..2dd61d20d 100644
--- a/crates/ra_ide/src/snapshots/rainbow_highlighting.html
+++ b/crates/ra_ide/src/snapshots/rainbow_highlighting.html
@@ -10,6 +10,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
10.string_literal { color: #CC9393; } 10.string_literal { color: #CC9393; }
11.field { color: #94BFF3; } 11.field { color: #94BFF3; }
12.function { color: #93E0E3; } 12.function { color: #93E0E3; }
13.operator.unsafe { color: #E28C14; }
13.parameter { color: #94BFF3; } 14.parameter { color: #94BFF3; }
14.text { color: #DCDCCC; } 15.text { color: #DCDCCC; }
15.type { color: #7CB8BB; } 16.type { color: #7CB8BB; }
diff --git a/crates/ra_ide/src/syntax_highlighting.rs b/crates/ra_ide/src/syntax_highlighting.rs
index 0b53ebe69..19ecd54d6 100644
--- a/crates/ra_ide/src/syntax_highlighting.rs
+++ b/crates/ra_ide/src/syntax_highlighting.rs
@@ -406,6 +406,23 @@ fn highlight_element(
406 _ => h, 406 _ => h,
407 } 407 }
408 } 408 }
409 PREFIX_EXPR => {
410 let prefix_expr = element.into_node().and_then(ast::PrefixExpr::cast)?;
411 match prefix_expr.op_kind() {
412 Some(ast::PrefixOp::Deref) => {}
413 _ => return None,
414 }
415
416 let expr = prefix_expr.expr()?;
417 let ty = sema.type_of_expr(&expr)?;
418 if !ty.is_raw_ptr() {
419 return None;
420 }
421
422 let mut h = Highlight::new(HighlightTag::Operator);
423 h |= HighlightModifier::Unsafe;
424 h
425 }
409 426
410 k if k.is_keyword() => { 427 k if k.is_keyword() => {
411 let h = Highlight::new(HighlightTag::Keyword); 428 let h = Highlight::new(HighlightTag::Keyword);
@@ -458,7 +475,13 @@ fn highlight_name(db: &RootDatabase, def: Definition) -> Highlight {
458 Definition::Field(_) => HighlightTag::Field, 475 Definition::Field(_) => HighlightTag::Field,
459 Definition::ModuleDef(def) => match def { 476 Definition::ModuleDef(def) => match def {
460 hir::ModuleDef::Module(_) => HighlightTag::Module, 477 hir::ModuleDef::Module(_) => HighlightTag::Module,
461 hir::ModuleDef::Function(_) => HighlightTag::Function, 478 hir::ModuleDef::Function(func) => {
479 let mut h = HighlightTag::Function.into();
480 if func.is_unsafe(db) {
481 h |= HighlightModifier::Unsafe;
482 }
483 return h;
484 }
462 hir::ModuleDef::Adt(hir::Adt::Struct(_)) => HighlightTag::Struct, 485 hir::ModuleDef::Adt(hir::Adt::Struct(_)) => HighlightTag::Struct,
463 hir::ModuleDef::Adt(hir::Adt::Enum(_)) => HighlightTag::Enum, 486 hir::ModuleDef::Adt(hir::Adt::Enum(_)) => HighlightTag::Enum,
464 hir::ModuleDef::Adt(hir::Adt::Union(_)) => HighlightTag::Union, 487 hir::ModuleDef::Adt(hir::Adt::Union(_)) => HighlightTag::Union,
diff --git a/crates/ra_ide/src/syntax_highlighting/html.rs b/crates/ra_ide/src/syntax_highlighting/html.rs
index edfe61f39..7d946c98d 100644
--- a/crates/ra_ide/src/syntax_highlighting/html.rs
+++ b/crates/ra_ide/src/syntax_highlighting/html.rs
@@ -69,6 +69,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
69.string_literal { color: #CC9393; } 69.string_literal { color: #CC9393; }
70.field { color: #94BFF3; } 70.field { color: #94BFF3; }
71.function { color: #93E0E3; } 71.function { color: #93E0E3; }
72.operator.unsafe { color: #E28C14; }
72.parameter { color: #94BFF3; } 73.parameter { color: #94BFF3; }
73.text { color: #DCDCCC; } 74.text { color: #DCDCCC; }
74.type { color: #7CB8BB; } 75.type { color: #7CB8BB; }
diff --git a/crates/ra_ide/src/syntax_highlighting/tags.rs b/crates/ra_ide/src/syntax_highlighting/tags.rs
index 1514531de..94f466966 100644
--- a/crates/ra_ide/src/syntax_highlighting/tags.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tags.rs
@@ -24,12 +24,14 @@ pub enum HighlightTag {
24 Enum, 24 Enum,
25 EnumVariant, 25 EnumVariant,
26 Field, 26 Field,
27 FormatSpecifier,
27 Function, 28 Function,
28 Keyword, 29 Keyword,
29 Lifetime, 30 Lifetime,
30 Macro, 31 Macro,
31 Module, 32 Module,
32 NumericLiteral, 33 NumericLiteral,
34 Operator,
33 SelfKeyword, 35 SelfKeyword,
34 SelfType, 36 SelfType,
35 Static, 37 Static,
@@ -41,8 +43,6 @@ pub enum HighlightTag {
41 Union, 43 Union,
42 Local, 44 Local,
43 UnresolvedReference, 45 UnresolvedReference,
44 FormatSpecifier,
45 Operator,
46} 46}
47 47
48#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)] 48#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
@@ -72,12 +72,14 @@ impl HighlightTag {
72 HighlightTag::Enum => "enum", 72 HighlightTag::Enum => "enum",
73 HighlightTag::EnumVariant => "enum_variant", 73 HighlightTag::EnumVariant => "enum_variant",
74 HighlightTag::Field => "field", 74 HighlightTag::Field => "field",
75 HighlightTag::FormatSpecifier => "format_specifier",
75 HighlightTag::Function => "function", 76 HighlightTag::Function => "function",
76 HighlightTag::Keyword => "keyword", 77 HighlightTag::Keyword => "keyword",
77 HighlightTag::Lifetime => "lifetime", 78 HighlightTag::Lifetime => "lifetime",
78 HighlightTag::Macro => "macro", 79 HighlightTag::Macro => "macro",
79 HighlightTag::Module => "module", 80 HighlightTag::Module => "module",
80 HighlightTag::NumericLiteral => "numeric_literal", 81 HighlightTag::NumericLiteral => "numeric_literal",
82 HighlightTag::Operator => "operator",
81 HighlightTag::SelfKeyword => "self_keyword", 83 HighlightTag::SelfKeyword => "self_keyword",
82 HighlightTag::SelfType => "self_type", 84 HighlightTag::SelfType => "self_type",
83 HighlightTag::Static => "static", 85 HighlightTag::Static => "static",
@@ -89,8 +91,6 @@ impl HighlightTag {
89 HighlightTag::Union => "union", 91 HighlightTag::Union => "union",
90 HighlightTag::Local => "variable", 92 HighlightTag::Local => "variable",
91 HighlightTag::UnresolvedReference => "unresolved_reference", 93 HighlightTag::UnresolvedReference => "unresolved_reference",
92 HighlightTag::FormatSpecifier => "format_specifier",
93 HighlightTag::Operator => "operator",
94 } 94 }
95 } 95 }
96} 96}
diff --git a/crates/ra_ide/src/syntax_highlighting/tests.rs b/crates/ra_ide/src/syntax_highlighting/tests.rs
index 7dc229cab..36a1aa419 100644
--- a/crates/ra_ide/src/syntax_highlighting/tests.rs
+++ b/crates/ra_ide/src/syntax_highlighting/tests.rs
@@ -258,3 +258,34 @@ fn main() {
258 fs::write(dst_file, &actual_html).unwrap(); 258 fs::write(dst_file, &actual_html).unwrap();
259 assert_eq_text!(expected_html, actual_html); 259 assert_eq_text!(expected_html, actual_html);
260} 260}
261
262#[test]
263fn test_unsafe_highlighting() {
264 let (analysis, file_id) = single_file(
265 r#"
266unsafe fn unsafe_fn() {}
267
268struct HasUnsafeFn;
269
270impl HasUnsafeFn {
271 unsafe fn unsafe_method(&self) {}
272}
273
274fn main() {
275 let x = &5 as *const usize;
276 unsafe {
277 unsafe_fn();
278 HasUnsafeFn.unsafe_method();
279 let y = *x;
280 let z = -x;
281 }
282}
283"#
284 .trim(),
285 );
286 let dst_file = project_dir().join("crates/ra_ide/src/snapshots/highlight_unsafe.html");
287 let actual_html = &analysis.highlight_as_html(file_id, false).unwrap();
288 let expected_html = &read_text(&dst_file);
289 fs::write(dst_file, &actual_html).unwrap();
290 assert_eq_text!(expected_html, actual_html);
291}