Syntax: stdsimd (#306)

* stdsimd syntax

* stdsimd test

* fix

Author: TheIronBorn

RustEnhanced.sublime-syntax

@@ -425,6 +425,18 @@ contexts:
       push: generic-angles
     - match: \b(Self|{{int_suffixes}}|{{float_suffixes}}|bool|char|str)\b
       scope: storage.type.rust
+    # stdsimd types
+    - match: |-
+        (?x)
+        \b(?:
+          [ium]8x(?:2|4|8|16|32) | [iu]8x64   |
+          [ium]16x(?:2|4|8|16)   | [iu]16x32  | # f16xN types might come later
+          [iumf]32x(?:2|4|8)     | [iuf]32x16 |
+          [iumf]64x(?:2|4)       | [iuf]64x8  |
+          m1x(?:64|32|16|8)                   | # 512-bit masks
+          __m(?:64|128|256)[di]? # __m512 should come later
+        )\b
+      scope: storage.type.rust
 
   generic-angles:
     - meta_scope: meta.generic.rust

syntax_test_rust.rs

@@ -1345,6 +1345,13 @@ pub union Foo<'a, Y: Baz>
 fn union() {}
 // ^^^^^ meta.function entity.name.function
 
+let x: __m128i = __m128i::from_bits(f32x4::from_bits(m32x4::new(true, true, true, true)));
+//     ^^^^^^^ storage.type.rust
+//               ^^^^^^^ storage.type.rust
+//                                  ^^^^^ meta.group.rust storage.type.rust
+//                                                   ^^^^^ meta.group.rust meta.group.rust storage.type.rust
+//                                                              ^^^^ meta.group.rust meta.group.rust meta.group.rust constant.language.rust
+
 // Ensure that `mut` is a storage modifier.
 impl<A> Thing for &'a mut A {}
 //            ^^^ meta.impl keyword.other