Merge branch 'master' into structs

# Conflicts:
#	codeOptimizers/src/prog8/optimizer/StatementOptimizer.kt
#	compiler/src/prog8/compiler/astprocessing/CodeDesugarer.kt
#	compilerAst/src/prog8/ast/antlr/Antlr2Kotlin.kt
#	examples/test.p8

parser/build.gradle.kts

@@ -1,5 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.JvmTarget
-
 plugins {
     id("antlr")
     id("java")
@@ -16,7 +14,7 @@ configurations.all {
 
 tasks.generateGrammarSource {
     outputDirectory = file("src/prog8/parser")
-    arguments.addAll(listOf("-no-listener", "-no-visitor"))
+    arguments.addAll(listOf("-no-listener", "-visitor"))
 }
 
 tasks.compileJava {