docstr

Author: Will-ShaoHua

plugins/amazonq/codewhisperer/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/util/CodeWhispererFileCrawler.kt

@@ -84,6 +84,11 @@ abstract class CodeWhispererFileCrawler : FileCrawler {
     }.orEmpty()
 
     override fun listCrossFileCandidate(target: PsiFile): List<VirtualFile> {
+        /**
+         * [PsiFile.getVirtualFile]
+         * PsiFile.virtualFile will return the virtual file, or null if the file exists only in memory
+         * If you want to get a non-null virtual file consider using FileViewProvider. getVirtualFile()
+         */
         val targetVirtualFile = target.virtualFile ?: target.viewProvider.virtualFile
 
         val openedFiles = runReadAction {