feat: add implicit references

Author: xepozz

src/main/kotlin/com/github/xepozz/testo/references/TestFunctionImplicitUsageProvider.kt

@@ -0,0 +1,13 @@
+package com.github.xepozz.testo.references
+
+import com.github.xepozz.testo.isTesto
+import com.intellij.codeInsight.daemon.ImplicitUsageProvider
+import com.intellij.psi.PsiElement
+
+class TestFunctionImplicitUsageProvider : ImplicitUsageProvider {
+    override fun isImplicitUsage(element: PsiElement) = element.isTesto()
+
+    override fun isImplicitRead(element: PsiElement) = false
+
+    override fun isImplicitWrite(element: PsiElement) = false
+}

src/main/resources/META-INF/plugin.xml

@@ -22,7 +22,8 @@
 
         <programRunner
                 implementation="com.github.xepozz.testo.tests.run.TestoDebugRunner"/>
-
+        <implicitUsageProvider
+                implementation="com.github.xepozz.testo.references.TestFunctionImplicitUsageProvider"/>
     </extensions>
 
     <extensions defaultExtensionNs="com.jetbrains.php">