Debugger: do not insert ambiguous imports inside codeFragments

#KT-11927 Fixed

compiler/frontend/src/org/jetbrains/kotlin/psi/KtCodeFragment.kt

@@ -99,13 +99,25 @@ abstract class KtCodeFragment(
 
     override fun addImportsFromString(imports: String?) {
         if (imports == null || imports.isEmpty()) return
-        this.imports.addAll(imports.split(IMPORT_SEPARATOR))
+
+        imports.split(IMPORT_SEPARATOR).forEach {
+            addImport(it)
+        }
 
         // we need this code to force re-highlighting, otherwise it does not work by some reason
         val tempElement = KtPsiFactory(project).createColon()
         add(tempElement).delete()
     }
 
+    fun addImport(import: String) {
+        val contextFile = getContextContainingFile()
+        if (contextFile != null) {
+            if (contextFile.importDirectives.find { it.text == import } == null) {
+                imports.add(import)
+            }
+        }
+    }
+
     fun importsAsImportList(): KtImportList? {
         if (!imports.isEmpty() && context != null) {
             return KtPsiFactory(this).createAnalyzableFile("imports_for_codeFragment.kt", imports.joinToString("\n"), context).importList
@@ -146,7 +158,11 @@ abstract class KtCodeFragment(
 
     private fun initImports(imports: String?) {
         if (imports != null && !imports.isEmpty()) {
-            this.imports.addAll(imports.split(IMPORT_SEPARATOR).map { it.check { it.startsWith("import ") } ?: "import $it" })
+
+            val importsWithPrefix = imports.split(IMPORT_SEPARATOR).map { it.check { it.startsWith("import ") } ?: "import ${it.trim()}" }
+            importsWithPrefix.forEach {
+                addImport(it)
+            }
         }
     }
 

idea/testData/debugger/tinyApp/outs/createExpressionWithArray.out

@@ -1,10 +1,12 @@
-LineBreakpoint created at createExpressionWithArray.kt:9
+LineBreakpoint created at createExpressionWithArray.kt:11
 !JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !OUTPUT_PATH!;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! createExpressionWithArray.CreateExpressionWithArrayKt
 Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
-createExpressionWithArray.kt:9
+createExpressionWithArray.kt:11
 package createExpressionWithArray
 
 import forTests.MyJavaClass
+// do not remove this import, it checks that we do not insert ambiguous imports during EE
+import forTests.MyJavaClass.InnerClass
 
 fun main(args: Array<String>) {
     val baseArray = arrayOf(MyJavaClass().getBaseClassValue())

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/createExpression/createExpressionWithArray.kt

@@ -1,6 +1,8 @@
 package createExpressionWithArray
 
 import forTests.MyJavaClass
+// do not remove this import, it checks that we do not insert ambiguous imports during EE
+import forTests.MyJavaClass.InnerClass
 
 fun main(args: Array<String>) {
     val baseArray = arrayOf(MyJavaClass().getBaseClassValue())