Fix the type argument detection in tag without attributes

Fixes #606

Author: sheetalkamat

TypeScriptReact.YAML-tmLanguage

@@ -15,7 +15,7 @@ variables:
   jsxTagName: \s*{{jsxTagNamespace}}((?:[a-z][a-z0-9]*|({{jsxTagOrAtrributeIdentifier}}*))(?<!\.|-))
   jsxOpeningTagWithoutAttributes: (<){{jsxTagName}}?\s*(>)
   jsxClosingTag: (</){{jsxTagName}}?\s*(>)
-  jsxTagStart: (<){{jsxTagName}}(?=({{typeArguments}})?\s+(?!\?)|\/?>)
+  jsxTagStart: (<){{jsxTagName}}(?=(({{typeArguments}}\s*)|(\s+))(?!\?)|\/?>)
   jsxTagStartLookahead: (?={{jsxTagStart}})
   jsxLookBehindInExpression: (?<!\+\+|--)(?<=[({\[,?=>:*]|&&|\|\||\?|{{lookBehindReturn}}|{{lookBehindDefault}}|^)\s*
 

TypeScriptReact.tmLanguage

@@ -7659,9 +7659,9 @@
         <string>(?x)
   (?&lt;!\+\+|--)(?&lt;=[({\[,?=&gt;:*]|&amp;&amp;|\|\||\?|^return|[^\._$[:alnum:]]return|^default|[^\._$[:alnum:]]default|^)\s*
   (?!&lt;\s*[_$[:alpha:]][_$[:alnum:]]*((\s+extends\s+[^=&gt;])|,)) # look ahead is not type parameter of arrow
-  (?=(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=(&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;)?\s+(?!\?)|\/?&gt;))</string>
+  (?=(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=((&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;\s*)|(\s+))(?!\?)|\/?&gt;))</string>
         <key>end</key>
-        <string>(?!(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=(&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;)?\s+(?!\?)|\/?&gt;))</string>
+        <string>(?!(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=((&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;\s*)|(\s+))(?!\?)|\/?&gt;))</string>
         <key>patterns</key>
         <array>
           <dict>
@@ -7675,7 +7675,7 @@
         <key>name</key>
         <string>meta.tag.tsx</string>
         <key>begin</key>
-        <string>(?=(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=(&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;)?\s+(?!\?)|\/?&gt;))</string>
+        <string>(?=(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=((&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;\s*)|(\s+))(?!\?)|\/?&gt;))</string>
         <key>end</key>
         <string>(/&gt;)|(?:(&lt;/)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))?\s*(&gt;))</string>
         <key>endCaptures</key>
@@ -7720,7 +7720,7 @@
         <array>
           <dict>
             <key>begin</key>
-            <string>(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=(&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;)?\s+(?!\?)|\/?&gt;)</string>
+            <string>(&lt;)\s*(?:([_$a-zA-Z][-$\w.]*)(?&lt;!\.|-)(:))?((?:[a-z][a-z0-9]*|([_$a-zA-Z][-$\w.]*))(?&lt;!\.|-))(?=((&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?!=)\&gt;)*(?!=)&gt;\s*)|(\s+))(?!\?)|\/?&gt;)</string>
             <key>beginCaptures</key>
             <dict>
               <key>1</key>

tests/baselines/Issue606.baseline.txt

@@ -0,0 +1,50 @@
+original file
+-----------------------------------
+// @onlyOwnGrammar - As this has jsx
+<C<number>/>
+<C<number>> </C>
+-----------------------------------
+
+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
+><C<number>/>
+ ^
+ source.tsx meta.tag.tsx punctuation.definition.tag.begin.tsx
+  ^
+  source.tsx meta.tag.tsx entity.name.tag.tsx support.class.component.tsx
+   ^
+   source.tsx meta.tag.tsx meta.type.parameters.tsx punctuation.definition.typeparameters.begin.tsx
+    ^^^^^^
+    source.tsx meta.tag.tsx meta.type.parameters.tsx support.type.primitive.tsx
+          ^
+          source.tsx meta.tag.tsx meta.type.parameters.tsx punctuation.definition.typeparameters.end.tsx
+           ^^
+           source.tsx meta.tag.tsx punctuation.definition.tag.end.tsx
+             ^^
+             source.tsx
+><C<number>> </C>
+ ^
+ source.tsx meta.tag.tsx punctuation.definition.tag.begin.tsx
+  ^
+  source.tsx meta.tag.tsx entity.name.tag.tsx support.class.component.tsx
+   ^
+   source.tsx meta.tag.tsx meta.type.parameters.tsx punctuation.definition.typeparameters.begin.tsx
+    ^^^^^^
+    source.tsx meta.tag.tsx meta.type.parameters.tsx support.type.primitive.tsx
+          ^
+          source.tsx meta.tag.tsx meta.type.parameters.tsx punctuation.definition.typeparameters.end.tsx
+           ^
+           source.tsx meta.tag.tsx punctuation.definition.tag.end.tsx
+            ^
+            source.tsx meta.tag.tsx meta.jsx.children.tsx
+             ^^
+             source.tsx meta.tag.tsx punctuation.definition.tag.begin.tsx
+               ^
+               source.tsx meta.tag.tsx entity.name.tag.tsx support.class.component.tsx
+                ^
+                source.tsx meta.tag.tsx punctuation.definition.tag.end.tsx

tests/cases/Issue606.tsx

@@ -0,0 +1,3 @@
+// @onlyOwnGrammar - As this has jsx
+<C<number>/>
+<C<number>> </C>