Fix ! operator in function call

Fixes #776

Author: sheetalkamat

TypeScript.YAML-tmLanguage

@@ -66,7 +66,7 @@ variables:
   typeArgumentsStart: (((keyof|infer|typeof)\s+)|(({{identifier}}|{{matchingBraces}}|{{matchingParenthesis}}|{{matchingBrackets}}|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\<\>\,\.\[]|=>|&(?!&)|\|(?!\|)))))
   typeArgumentsInnerExpressionPart: '[^<>\(]|{{matchingParenthesis}}|(?<==)\>'
   typeArguments: '<\s*{{typeArgumentsStart}}({{typeArgumentsInnerExpressionPart}}|\<\s*{{typeArgumentsStart}}(({{typeArgumentsInnerExpressionPart}}|\<\s*{{typeArgumentsStart}}({{typeArgumentsInnerExpressionPart}})*(?<!=)\>))*(?<!=)\>)*(?<!=)>'
-  functionCallLookup: \s*(\?\.\s*)?({{typeArguments}}\s*)?\(
+  functionCallLookup: \s*(?:(\?\.\s*)|(\!))?({{typeArguments}}\s*)?\(
   returnTypeOfArrow: \s*([^<>\(\)\{\}]|\<([^<>]|\<[^<>]+\>)+\>|\([^\(\)]+\)|\{[^\{\}]+\})+
   typeparamertStartOfArrow: ''
   arrowLookup: |-
@@ -1443,6 +1443,8 @@ repository:
     - include: '#comment'
     - name: meta.function-call.ts punctuation.accessor.optional.ts
       match: \?\.
+    - name: meta.function-call.ts keyword.operator.definiteassignment.ts
+      match: \!
     - include: '#type-arguments'
     - include: '#paren-expression'
 

TypeScript.tmLanguage

@@ -4632,9 +4632,9 @@
       <key>function-call</key>
       <dict>
         <key>begin</key>
-        <string>(?=(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(\?\.\s*)?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
+        <string>(?=(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(?:(\?\.\s*)|(\!))?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
         <key>end</key>
-        <string>(?&lt;=\))(?!(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(\?\.\s*)?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
+        <string>(?&lt;=\))(?!(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(?:(\?\.\s*)|(\!))?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
         <key>patterns</key>
         <array>
           <dict>
@@ -4643,7 +4643,7 @@
             <key>begin</key>
             <string>(?=(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*))</string>
             <key>end</key>
-            <string>(?=\s*(\?\.\s*)?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
+            <string>(?=\s*(?:(\?\.\s*)|(\!))?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
             <key>patterns</key>
             <array>
               <dict>
@@ -4668,6 +4668,12 @@
             <key>match</key>
             <string>\?\.</string>
           </dict>
+          <dict>
+            <key>name</key>
+            <string>meta.function-call.ts keyword.operator.definiteassignment.ts</string>
+            <key>match</key>
+            <string>\!</string>
+          </dict>
           <dict>
             <key>include</key>
             <string>#type-arguments</string>

TypeScriptReact.tmLanguage

@@ -4656,9 +4656,9 @@
       <key>function-call</key>
       <dict>
         <key>begin</key>
-        <string>(?=(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(\?\.\s*)?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
+        <string>(?=(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(?:(\?\.\s*)|(\!))?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
         <key>end</key>
-        <string>(?&lt;=\))(?!(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(\?\.\s*)?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
+        <string>(?&lt;=\))(?!(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*)\s*(?:(\?\.\s*)|(\!))?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
         <key>patterns</key>
         <array>
           <dict>
@@ -4667,7 +4667,7 @@
             <key>begin</key>
             <string>(?=(([_$[:alpha:]][_$[:alnum:]]*\s*\??\.\s*)*|(\??\.\s*)?)([_$[:alpha:]][_$[:alnum:]]*))</string>
             <key>end</key>
-            <string>(?=\s*(\?\.\s*)?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
+            <string>(?=\s*(?:(\?\.\s*)|(\!))?(&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))(([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;|\&lt;\s*(((keyof|infer|typeof)\s+)|(([_$[:alpha:]][_$[:alnum:]]*|(\{([^\{\}]|(\{[^\{\}]*\}))*\})|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(\[([^\[\]]|(\[[^\[\]]*\]))*\])|(\'[^\']*\')|(\"[^\"]*\")|(\`[^\`]*\`))(?=\s*([\&lt;\&gt;\,\.\[]|=&gt;|&amp;(?!&amp;)|\|(?!\|)))))([^&lt;&gt;\(]|(\(([^\(\)]|(\([^\(\)]*\)))*\))|(?&lt;==)\&gt;)*(?&lt;!=)\&gt;))*(?&lt;!=)\&gt;)*(?&lt;!=)&gt;\s*)?\()</string>
             <key>patterns</key>
             <array>
               <dict>
@@ -4692,6 +4692,12 @@
             <key>match</key>
             <string>\?\.</string>
           </dict>
+          <dict>
+            <key>name</key>
+            <string>meta.function-call.tsx keyword.operator.definiteassignment.tsx</string>
+            <key>match</key>
+            <string>\!</string>
+          </dict>
           <dict>
             <key>include</key>
             <string>#type-arguments</string>

tests/baselines/issue776.baseline.txt

@@ -0,0 +1,32 @@
+original file
+-----------------------------------
+system.createHash()
+system.createHash!()
+-----------------------------------
+
+Grammar: TypeScript.tmLanguage
+-----------------------------------
+>system.createHash()
+ ^^^^^^
+ source.ts meta.function-call.ts variable.other.object.ts
+       ^
+       source.ts meta.function-call.ts punctuation.accessor.ts
+        ^^^^^^^^^^
+        source.ts meta.function-call.ts entity.name.function.ts
+                  ^
+                  source.ts meta.brace.round.ts
+                   ^
+                   source.ts meta.brace.round.ts
+>system.createHash!()
+ ^^^^^^
+ source.ts meta.function-call.ts variable.other.object.ts
+       ^
+       source.ts meta.function-call.ts punctuation.accessor.ts
+        ^^^^^^^^^^
+        source.ts meta.function-call.ts entity.name.function.ts
+                  ^
+                  source.ts meta.function-call.ts keyword.operator.definiteassignment.ts
+                   ^
+                   source.ts meta.brace.round.ts
+                    ^
+                    source.ts meta.brace.round.ts

tests/cases/issue776.ts

@@ -0,0 +1,2 @@
+system.createHash()
+system.createHash!()