Support static method calls in constant expressions in PHP 7

Author: thekid

ChangeLog.md

@@ -3,6 +3,12 @@ XP Reflection ChangeLog
 
 ## ?.?.? / ????-??-??
 
+## 3.3.0 / ????-??-??
+
+* Added support for static method calls in constant expressions in PHP 7.
+  This allows using first-class callables as annotation arguments.
+  (@thekid)
+
 ## 3.2.0 / 2024-08-26
 
 * Merged PR #43: Add support for asymmetric visibility for properties, see

src/main/php/lang/meta/SyntaxTree.class.php

@@ -2,7 +2,7 @@
 
 use ReflectionClass;
 use lang\IllegalAccessException;
-use lang\ast\nodes\{Literal, Variable};
+use lang\ast\nodes\{Literal, Variable, InvokeExpression};
 use lang\ast\{Visitor, Type};
 
 class SyntaxTree extends Visitor {
@@ -102,8 +102,14 @@ public function scope($self) {
         ? substr($c, 1)
         : (new ReflectionClass($c))->getConstant($self->member->expression)
       ;
+    } else if ($self->member instanceof InvokeExpression) {
+      $arguments= [];
+      foreach ($self->member->arguments as $key => $node) {
+        $arguments[$key]= $node->visit($this);
+      }
+      return (new ReflectionClass($c))->getMethod($self->member->expression)->invokeArgs(null, $arguments);
     } else {
-      throw new IllegalAccessException('Cannot resolve '.$type->name.'::'.$self->member->kind);
+      throw new IllegalAccessException('Cannot resolve '.$c.'::'.$self->member->kind);
     }
   }