Don't use cast with C++ linkage

make.rb

@@ -97,7 +97,7 @@ def clean
     build argument
   when 'run'
     build 'debug'
-    system 'build/cogito', 'tools/sample.d'
+    system 'build/cogito', '--format', 'verbose', 'tools/sample.d'
   when 'test'
     build 'unittest'
     system 'build/test', '-s'

src/cogito/visitor.d

@@ -1,5 +1,6 @@
 module cogito.visitor;
 
+import core.stdc.string;
 import dmd.ast_node;
 import dmd.astcodegen;
 import dmd.parsetimevisitor;
@@ -495,10 +496,10 @@ extern(C++) final class CognitiveVisitor : SemanticTimeTransitiveVisitor
         }
         foreach (elseDeclaration; *declaration)
         {
-            auto elseIf = cast(AST.StaticIfDeclaration) elseDeclaration;
-            if (elseIf !is null)
+            if (strcmp(elseDeclaration.kind, "static if") == 0)
             {
-                if (elseIf.decl)
+                auto elseIf = cast(AST.StaticIfDeclaration) elseDeclaration;
+                if (elseIf.decl !is null)
                 {
                     increase;
 
@@ -513,6 +514,8 @@ extern(C++) final class CognitiveVisitor : SemanticTimeTransitiveVisitor
             }
             else
             {
+                increase;
+
                 ++this.depth;
                 elseDeclaration.accept(this);
                 --this.depth;

tests/app.d

@@ -4,6 +4,7 @@ import cogito.tests.expressions;
 import cogito.tests.functions;
 import cogito.tests.meta;
 import cogito.tests.statements;
+import cogito.tests.visitor;
 
 int main(string[] args)
 {
@@ -13,6 +14,7 @@ int main(string[] args)
         cogito.tests.expressions,
         cogito.tests.functions,
         cogito.tests.meta,
-        cogito.tests.statements
+        cogito.tests.statements,
+        cogito.tests.visitor
     )(args);
 }

tests/cogito/functions.d

@@ -83,7 +83,7 @@ interface C
 }
     });
 
-    assert(meter.tryMatch!((Source source) => source.inner[].front.name.toString) == "C");
+    assert(meter.tryMatch!((Source source) => source.inner[].front.name) == "C");
 }
 
 @("Union")
@@ -95,7 +95,7 @@ union U
 }
     });
 
-    assert(meter.tryMatch!((Source source) => source.inner[].front.name.toString) == "U");
+    assert(meter.tryMatch!((Source source) => source.inner[].front.name) == "U");
 }
 
 @("Constructor")

tests/cogito/visitor.d

@@ -0,0 +1,22 @@
+module cogito.tests.visitor;
+
+import cogito;
+import std.sumtype;
+
+unittest
+{
+    auto meter = runOnCode(q{
+struct S
+{
+    static if (true)
+    {
+    }
+    else
+    {
+        ubyte[T.sizeof] data;
+    }
+}
+    });
+
+    assert(meter.tryMatch!((Source source) => source.score) == 2);
+}