fix(cpp) exclude keywords from function calls (#4217)

Author: Eisenwave

CHANGES.md

@@ -59,6 +59,7 @@ Core Grammars:
 - fix(swift) - Fixed syntax highlighting for class func/var declarations [guuido]
 - fix(yaml) - Fixed wrong escaping behavior in single quoted strings [guuido]
 - enh(nim) - Add `concept` and `defer` to list of Nim keywords [Jake Leahy]
+- fix(cpp) - Exclude keywords from highlighting as function calls [Eisenwave]
 
 New Grammars:
 
@@ -107,6 +108,7 @@ CONTRIBUTORS
 [Laurel King]: https://github.com/laurelthorburn
 [Kristian Ekenes]: https://github.com/ekenes
 [Danny Winrow]: https://github.com/dannywinrow
+[Eisenwave]: https://github.com/Eisenwave/
 
 
 ## Version 11.10.0

src/languages/cpp.js

@@ -425,11 +425,7 @@ export default function(hljs) {
       _hint: FUNCTION_HINTS },
     begin: regex.concat(
       /\b/,
-      /(?!decltype)/,
-      /(?!if)/,
-      /(?!for)/,
-      /(?!switch)/,
-      /(?!while)/,
+      `(?!${RESERVED_KEYWORDS.join('|')})`,
       hljs.IDENT_RE,
       regex.lookahead(/(<[^<>]+>|)\s*\(/))
   };

test/markup/cpp/function-like-keywords.expect.txt

@@ -6,3 +6,7 @@
 <span class="hljs-keyword">while</span> (ch) {}
 
 <span class="hljs-keyword">for</span> (;;) {}
+
+<span class="hljs-function"><span class="hljs-type">void</span> <span class="hljs-title">f</span><span class="hljs-params">()</span> </span>= <span class="hljs-keyword">delete</span>(<span class="hljs-string">&quot;reason&quot;</span>);
+
+<span class="hljs-keyword">static_assert</span>(<span class="hljs-literal">true</span>);

test/markup/cpp/function-like-keywords.txt

@@ -6,3 +6,7 @@ switch (ch) {}
 while (ch) {}
 
 for (;;) {}
+
+void f() = delete("reason");
+
+static_assert(true);

test/markup/cpp/template-complexity.expect.txt

@@ -10,7 +10,7 @@
 <span class="hljs-keyword">template</span>&lt;<span class="hljs-keyword">class</span> <span class="hljs-title class_">T</span>, <span class="hljs-keyword">class</span> = std::<span class="hljs-type">enable_if_t</span>&lt;!impl::is_streamable_v&lt;<span class="hljs-type">const</span> T &amp;&gt; &amp;&amp; std::is_convertible_v&lt;<span class="hljs-type">const</span> T &amp;, std::wstring_view&gt;&gt;&gt;
 std::wostream &amp;<span class="hljs-keyword">operator</span> &lt;&lt;(std::wostream &amp;stream, <span class="hljs-type">const</span> T &amp;thing)
 {
-    <span class="hljs-keyword">return</span> stream &lt;&lt; <span class="hljs-built_in">static_cast</span>&lt;std::wstring_view&gt;(thing);
+    <span class="hljs-keyword">return</span> stream &lt;&lt; <span class="hljs-keyword">static_cast</span>&lt;std::wstring_view&gt;(thing);
 }
 
 <span class="hljs-keyword">enum struct</span> <span class="hljs-title class_">DataHolder</span> { };