Fix incorrect highlighting of jsx expression following comment

Fixes #754

Author: sheetalkamat

TypeScriptReact.YAML-tmLanguage

@@ -18,7 +18,7 @@ variables:
   jsxClosingTag: (</){{jsxTagName}}?\s*(>)
   jsxTagStart: (<){{jsxTagName}}(?=((<\s*)|(\s+))(?!\?)|\/?>)
   jsxTagStartLookahead: (?={{jsxTagStart}})
-  jsxLookBehindInExpression: (?<!\+\+|--)(?<=[({\[,?=>:*]|&&|\|\||\?|{{lookBehindAwait}}|{{lookBehindReturn}}|{{lookBehindDefault}}|{{lookBehindYield}}|^)\s*
+  jsxLookBehindInExpression: (?<!\+\+|--)(?<=[({\[,?=>:*]|&&|\|\||\?|\*\/|{{lookBehindAwait}}|{{lookBehindReturn}}|{{lookBehindDefault}}|{{lookBehindYield}}|^)\s*
 
 repository:
   # Additions:

TypeScriptReact.tmLanguage

@@ -9040,7 +9040,7 @@
       <key>jsx-tag-without-attributes-in-expression</key>
       <dict>
         <key>begin</key>
-        <string>(?&lt;!\+\+|--)(?&lt;=[({\[,?=&gt;:*]|&amp;&amp;|\|\||\?|^await|[^\._$[:alnum:]]await|^return|[^\._$[:alnum:]]return|^default|[^\._$[:alnum:]]default|^yield|[^\._$[:alnum:]]yield|^)\s*(?=(&lt;)\s*(?:([_$[:alpha:]][-_$[:alnum:].]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$[:alpha:]][-_$[:alnum:].]*))(?&lt;!\.|-))?\s*(&gt;))</string>
+        <string>(?&lt;!\+\+|--)(?&lt;=[({\[,?=&gt;:*]|&amp;&amp;|\|\||\?|\*\/|^await|[^\._$[:alnum:]]await|^return|[^\._$[:alnum:]]return|^default|[^\._$[:alnum:]]default|^yield|[^\._$[:alnum:]]yield|^)\s*(?=(&lt;)\s*(?:([_$[:alpha:]][-_$[:alnum:].]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$[:alpha:]][-_$[:alnum:].]*))(?&lt;!\.|-))?\s*(&gt;))</string>
         <key>end</key>
         <string>(?!(&lt;)\s*(?:([_$[:alpha:]][-_$[:alnum:].]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$[:alpha:]][-_$[:alnum:].]*))(?&lt;!\.|-))?\s*(&gt;))</string>
         <key>patterns</key>
@@ -9139,7 +9139,7 @@
       <dict>
         <key>begin</key>
         <string>(?x)
-  (?&lt;!\+\+|--)(?&lt;=[({\[,?=&gt;:*]|&amp;&amp;|\|\||\?|^await|[^\._$[:alnum:]]await|^return|[^\._$[:alnum:]]return|^default|[^\._$[:alnum:]]default|^yield|[^\._$[:alnum:]]yield|^)\s*
+  (?&lt;!\+\+|--)(?&lt;=[({\[,?=&gt;:*]|&amp;&amp;|\|\||\?|\*\/|^await|[^\._$[:alnum:]]await|^return|[^\._$[:alnum:]]return|^default|[^\._$[:alnum:]]default|^yield|[^\._$[:alnum:]]yield|^)\s*
   (?!&lt;\s*[_$[:alpha:]][_$[:alnum:]]*((\s+extends\s+[^=&gt;])|,)) # look ahead is not type parameter of arrow
   (?=(&lt;)\s*(?:([_$[:alpha:]][-_$[:alnum:].]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$[:alpha:]][-_$[:alnum:].]*))(?&lt;!\.|-))(?=((&lt;\s*)|(\s+))(?!\?)|\/?&gt;))</string>
         <key>end</key>

tests/baselines/Issue754.baseline.txt

@@ -0,0 +1,66 @@
+original file
+-----------------------------------
+// @onlyOwnGrammar - As this has jsx
+const b = <Element />;
+const a = /**/ <Element />;
+-----------------------------------
+
+Grammar: TypeScriptReact.tmLanguage
+-----------------------------------
+>// @onlyOwnGrammar - As this has jsx
+ ^^
+ source.tsx comment.line.double-slash.tsx punctuation.definition.comment.tsx
+   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   source.tsx comment.line.double-slash.tsx
+>const b = <Element />;
+ ^^^^^
+ source.tsx meta.var.expr.tsx storage.type.tsx
+      ^
+      source.tsx meta.var.expr.tsx
+       ^
+       source.tsx meta.var.expr.tsx meta.var-single-variable.expr.tsx meta.definition.variable.tsx variable.other.constant.tsx
+        ^
+        source.tsx meta.var.expr.tsx meta.var-single-variable.expr.tsx
+         ^
+         source.tsx meta.var.expr.tsx keyword.operator.assignment.tsx
+          ^
+          source.tsx meta.var.expr.tsx
+           ^
+           source.tsx meta.var.expr.tsx meta.tag.tsx punctuation.definition.tag.begin.tsx
+            ^^^^^^^
+            source.tsx meta.var.expr.tsx meta.tag.tsx entity.name.tag.tsx support.class.component.tsx
+                   ^
+                   source.tsx meta.var.expr.tsx meta.tag.tsx meta.tag.attributes.tsx
+                    ^^
+                    source.tsx meta.var.expr.tsx meta.tag.tsx punctuation.definition.tag.end.tsx
+                      ^
+                      source.tsx punctuation.terminator.statement.tsx
+>const a = /**/ <Element />;
+ ^^^^^
+ source.tsx meta.var.expr.tsx storage.type.tsx
+      ^
+      source.tsx meta.var.expr.tsx
+       ^
+       source.tsx meta.var.expr.tsx meta.var-single-variable.expr.tsx meta.definition.variable.tsx variable.other.constant.tsx
+        ^
+        source.tsx meta.var.expr.tsx meta.var-single-variable.expr.tsx
+         ^
+         source.tsx meta.var.expr.tsx keyword.operator.assignment.tsx
+          ^
+          source.tsx meta.var.expr.tsx
+           ^^
+           source.tsx meta.var.expr.tsx comment.block.tsx punctuation.definition.comment.tsx
+             ^^
+             source.tsx meta.var.expr.tsx comment.block.tsx punctuation.definition.comment.tsx
+               ^
+               source.tsx meta.var.expr.tsx
+                ^
+                source.tsx meta.var.expr.tsx meta.tag.tsx punctuation.definition.tag.begin.tsx
+                 ^^^^^^^
+                 source.tsx meta.var.expr.tsx meta.tag.tsx entity.name.tag.tsx support.class.component.tsx
+                        ^
+                        source.tsx meta.var.expr.tsx meta.tag.tsx meta.tag.attributes.tsx
+                         ^^
+                         source.tsx meta.var.expr.tsx meta.tag.tsx punctuation.definition.tag.end.tsx
+                           ^
+                           source.tsx punctuation.terminator.statement.tsx

tests/cases/Issue754.tsx

@@ -0,0 +1,3 @@
+// @onlyOwnGrammar - As this has jsx
+const b = <Element />;
+const a = /**/ <Element />;