Apply code review findings

Author: tamasvajk

java/kotlin-extractor2/src/main/kotlin/TrapWriter.kt

@@ -152,6 +152,7 @@ abstract class TrapWriter(
      * same variable may be referred to from distant places in the IR, so we need a way to find out
      * which label is used for a given local variable. This information is stored in this mapping.
      */
+    // TODO: This should be in a subclass so that DiagnosticTrapWriter doesn't include it, as it is not threadsafe
     private val variableLabelMapping: MutableMap<KtProperty, Label<out DbLocalvar>> =
         mutableMapOf<KtProperty, Label<out DbLocalvar>>()
 
@@ -167,9 +168,12 @@ abstract class TrapWriter(
         }
     }
 
+    /*
+    OLD: KE1
     fun getExistingVariableLabelFor(v: KtProperty): Label<out DbLocalvar>? {
         return variableLabelMapping[v]
     }
+    */
 
     /**
      * This returns a label for the location described by its arguments. Typically users will not

java/kotlin-extractor2/src/main/kotlin/entities/Expression.kt

@@ -2383,7 +2383,7 @@ private fun KotlinFileExtractor.extractVariableExpr(
     parent: Label<out DbExprparent>,
     idx: Int,
     enclosingStmt: Label<out DbStmt>,
-    extractInitializer: Boolean = true
+    //extractInitializer: Boolean = true  // OLD KE1
 ) {
     with("variable expr", v) {
         val varId = useVariable(v)
@@ -2397,7 +2397,8 @@ private fun KotlinFileExtractor.extractVariableExpr(
         tw.writeExprsKotlinType(exprId, type.kotlinResult.id)
         extractExprContext(exprId, locId, callable, enclosingStmt)
         val i = v.initializer
-        if (i != null && extractInitializer) {
+        //OLD KE1: if (i != null && extractInitializer) {
+        if (i != null) {
             extractExpressionExpr(i, callable, exprId, 0, enclosingStmt)
         }
         if (!v.isVar) {