feat: add more primitives

Author: xepozz

src/main/kotlin/com/github/xepozz/php_opcodes_language/Primitives.kt

@@ -6,12 +6,14 @@ enum class Primitives {
     `false`,
     int,
     long,
-    string,
     double,
     float,
+    string,
     `null`,
     array,
-    global,
     `object`,
     resource,
+    global,
+    parent,
+    exception,
 }

src/main/kotlin/com/github/xepozz/php_opcodes_language/language/reference/PHPOpReferenceContributor.kt

@@ -42,7 +42,13 @@ class PHPOpReferenceContributor : PsiReferenceContributor() {
                 PlatformPatterns.and(
                     PlatformPatterns.psiElement(PHPOpParameter::class.java),
                     PlatformPatterns.not(
-                        PlatformPatterns.psiElement(PHPOpParameter::class.java).withName(Opcodes.THIS.name)
+                        PlatformPatterns.psiElement(PHPOpParameter::class.java)
+                            .withName(
+                                Opcodes.THIS.name,
+                                *Primitives.entries
+                                    .map { it.name }
+                                    .toTypedArray(),
+                            )
                     )
                 ),
                 PlatformPatterns.psiElement(PHPOpParenParameter::class.java),