Fix incorrect unused constants [GH-8244]

- #8244
- Scan attributes after `ConstantDeclaration`s are scanned

php/php.editor/src/org/netbeans/modules/php/editor/csl/SemanticAnalysis.java

@@ -367,14 +367,15 @@ public void visit(ClassDeclaration cldec) {
             }
             addToPath(cldec);
             typeInfo = new TypeDeclarationTypeInfo(cldec);
-            scan(cldec.getAttributes());
             scan(cldec.getSuperClass());
             scan(cldec.getInterfaces());
             Identifier name = cldec.getName();
             addColoringForNode(name, createTypeNameColoring(cldec));
             needToScan.put(typeInfo, new ArrayList<>());
             if (cldec.getBody() != null) {
                 cldec.getBody().accept(this);
+                // GH-8244 scan attributes after constant declarations are scanned
+                scan(cldec.getAttributes());
 
                 // find all usages in the method bodies
                 scanMethodBodies();
@@ -513,13 +514,14 @@ public void visit(ClassInstanceCreation node) {
                 // GH-5551 keep original type info to scan parent blocks
                 TypeInfo originalTypeInfo = typeInfo;
                 typeInfo = new ClassInstanceCreationTypeInfo(node);
-                scan(node.getAttributes());
                 scan(node.getSuperClass());
                 scan(node.getInterfaces());
                 needToScan.put(typeInfo, new ArrayList<>());
                 Block body = node.getBody();
                 if (body != null) {
                     body.accept(this);
+                    // GH-8244 scan attributes after constant declarations are scanned
+                    scan(node.getAttributes());
 
                     // find all usages in the method bodies
                     scanMethodBodies();
@@ -571,14 +573,15 @@ public void visit(EnumDeclaration node) {
                 return;
             }
             addToPath(node);
-            scan(node.getAttributes());
             scan(node.getInterfaces());
             typeInfo = new TypeDeclarationTypeInfo(node);
             Identifier name = node.getName();
             addColoringForNode(name, createTypeNameColoring(node));
             needToScan.put(typeInfo, new ArrayList<>());
             if (node.getBody() != null) {
                 node.getBody().accept(this);
+                // GH-8244 scan attributes after constant declarations are scanned
+                scan(node.getAttributes());
                 scanMethodBodies();
                 addColoringForUnusedPrivateConstants();
             }

php/php.editor/test/unit/data/testfiles/semantic/gh8244_01.php

@@ -0,0 +1,50 @@
+<?php
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+namespace Test;
+
+use Attribute;
+
+#[Attribute(Attribute::TARGET_CLASS)]
+class SomeAttribute
+{
+    public function __construct(string $name) {}
+}
+
+#[SomeAttribute(name: self::TEST_CLASS)]
+class TestClass
+{
+    private const string TEST_CLASS = 'test';
+}
+
+#[SomeAttribute(name: self::TEST_ENUM)]
+enum TestEnum
+{
+    private const string TEST_ENUM = 'test';
+}
+
+#[SomeAttribute(name: self::TEST_TRAIT)]
+trait TestTrait
+{
+    private const string TEST_TRAIT = 'test';
+}
+
+$anon = new #[SomeAttribute(name: self::TEST_ANON)] class() {
+    private const string TEST_ANON = 'test';
+};

php/php.editor/test/unit/data/testfiles/semantic/gh8244_01.php.semantic

@@ -0,0 +1,50 @@
+<?php
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+namespace Test;
+
+use Attribute;
+
+#[Attribute(Attribute::|>FIELD,STATIC:TARGET_CLASS<|)]
+class |>CLASS:SomeAttribute<|
+{
+    public function |>METHOD:__construct<|(string $name) {}
+}
+
+#[SomeAttribute(|>CUSTOM2:name: <|self::|>FIELD,STATIC:TEST_CLASS<|)]
+class |>CLASS:TestClass<|
+{
+    private const string |>FIELD,STATIC:TEST_CLASS<| = 'test';
+}
+
+#[SomeAttribute(|>CUSTOM2:name: <|self::|>FIELD,STATIC:TEST_ENUM<|)]
+enum |>CLASS:TestEnum<|
+{
+    private const string |>FIELD,STATIC:TEST_ENUM<| = 'test';
+}
+
+#[SomeAttribute(|>CUSTOM2:name: <|self::|>FIELD,STATIC:TEST_TRAIT<|)]
+trait |>CLASS:TestTrait<|
+{
+    private const string |>FIELD,STATIC:TEST_TRAIT<| = 'test';
+}
+
+$anon = new #[SomeAttribute(|>CUSTOM2:name: <|self::|>FIELD,STATIC:TEST_ANON<|)] class() {
+    private const string |>FIELD,STATIC:TEST_ANON<| = 'test';
+};

php/php.editor/test/unit/data/testfiles/semantic/gh8244_02.php

@@ -0,0 +1,50 @@
+<?php
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+namespace Test;
+
+use Attribute;
+
+#[Attribute(Attribute::TARGET_CLASS)]
+class SomeAttribute
+{
+    public function __construct(string $name) {}
+}
+
+#[SomeAttribute(name: TestClass::TEST_CLASS)]
+class TestClass
+{
+    private const string TEST_CLASS = 'test';
+}
+
+#[SomeAttribute(name: TestEnum::TEST_ENUM)]
+enum TestEnum
+{
+    private const string TEST_ENUM = 'test';
+}
+
+#[SomeAttribute(name: TestTrait::TEST_TRAIT)]
+trait TestTrait
+{
+    private const string TEST_TRAIT = 'test';
+}
+
+$anon = new #[SomeAttribute(name: self::TEST_ANON)] class() {
+    private const string TEST_ANON = 'test';
+};

php/php.editor/test/unit/data/testfiles/semantic/gh8244_02.php.semantic

@@ -0,0 +1,50 @@
+<?php
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+namespace Test;
+
+use Attribute;
+
+#[Attribute(Attribute::|>FIELD,STATIC:TARGET_CLASS<|)]
+class |>CLASS:SomeAttribute<|
+{
+    public function |>METHOD:__construct<|(string $name) {}
+}
+
+#[SomeAttribute(|>CUSTOM2:name: <|TestClass::|>FIELD,STATIC:TEST_CLASS<|)]
+class |>CLASS:TestClass<|
+{
+    private const string |>FIELD,STATIC:TEST_CLASS<| = 'test';
+}
+
+#[SomeAttribute(|>CUSTOM2:name: <|TestEnum::|>FIELD,STATIC:TEST_ENUM<|)]
+enum |>CLASS:TestEnum<|
+{
+    private const string |>FIELD,STATIC:TEST_ENUM<| = 'test';
+}
+
+#[SomeAttribute(|>CUSTOM2:name: <|TestTrait::|>FIELD,STATIC:TEST_TRAIT<|)]
+trait |>CLASS:TestTrait<|
+{
+    private const string |>FIELD,STATIC:TEST_TRAIT<| = 'test';
+}
+
+$anon = new #[SomeAttribute(|>CUSTOM2:name: <|self::|>FIELD,STATIC:TEST_ANON<|)] class() {
+    private const string |>FIELD,STATIC:TEST_ANON<| = 'test';
+};

php/php.editor/test/unit/src/org/netbeans/modules/php/editor/csl/SemanticAnalyzerTest.java

@@ -233,4 +233,12 @@ public void testGH5551_02() throws Exception {
     public void testDynamicClassConstantFetch_01() throws Exception {
         checkSemantic("testfiles/semantic/dynamicClassConstantFetch_01.php");
     }
+
+    public void testGH8244_01() throws Exception {
+        checkSemantic("testfiles/semantic/gh8244_01.php");
+    }
+
+    public void testGH8244_02() throws Exception {
+        checkSemantic("testfiles/semantic/gh8244_02.php");
+    }
 }