From ce8b19acaea4801bf1cdb107bd40f60c332c0fc9 Mon Sep 17 00:00:00 2001
From: Till Schnell <till.schnell@gmail.com>
Date: Tue, 6 Apr 2021 18:24:47 +0200
Subject: [PATCH] Remove visitors for the Oracle AST approche

---
 .../inferWildcards/InferWildcardsVisitor.java | 79 ---------------
 .../inferWildcards/TypeParamVisitor.java      | 95 -------------------
 2 files changed, 174 deletions(-)
 delete mode 100644 src/main/java/de/dhbwstuttgart/inferWildcards/InferWildcardsVisitor.java
 delete mode 100644 src/main/java/de/dhbwstuttgart/inferWildcards/TypeParamVisitor.java

diff --git a/src/main/java/de/dhbwstuttgart/inferWildcards/InferWildcardsVisitor.java b/src/main/java/de/dhbwstuttgart/inferWildcards/InferWildcardsVisitor.java
deleted file mode 100644
index ebd3be68..00000000
--- a/src/main/java/de/dhbwstuttgart/inferWildcards/InferWildcardsVisitor.java
+++ /dev/null
@@ -1,79 +0,0 @@
-package de.dhbwstuttgart.inferWildcards;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import com.sun.source.tree.ExpressionStatementTree;
-import com.sun.source.tree.ExpressionTree;
-import com.sun.source.tree.Tree;
-import com.sun.source.tree.VariableTree;
-import com.sun.source.util.TreeScanner;
-
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-
-public class InferWildcardsVisitor
-	extends TreeScanner<Void, Void>
-{
-
-	@SuppressWarnings("rawtypes")
-	private final ConstraintSet constraintsSet;
-	private final Map<TypePlaceholder, Tree> placeholderMapping;
-
-	public InferWildcardsVisitor () {
-		super();
-		this.constraintsSet = new ConstraintSet<>();
-		this.placeholderMapping = new HashMap<>();
-	}
-
-	@Override
-	public Void visitOther (Tree node, Void p) {
-		// System.out.println("Other: " + node.toString());
-		return super.visitOther(node, p);
-	}
-
-	@Override
-	public Void visitExpressionStatement (ExpressionStatementTree node, Void p) {
-		System.out.println("Expression: " + node.toString());
-		return super.visitExpressionStatement(node, p);
-	}
-
-	@Override
-	public Void visitVariable (VariableTree node, Void p) {
-		System.out.println("Variable: " + node.toString());
-
-		// Get Type
-		System.out.println("Type: ============");
-
-		// generate visitor
-		TypeParamVisitor typeParamVisitor = new TypeParamVisitor();
-
-		// visit the nodes
-		node.getType().accept(typeParamVisitor, null);
-
-		// consolidate results
-		constraintsSet.addAll(typeParamVisitor.getConstraintsSet());
-		placeholderMapping.putAll(typeParamVisitor.getPlaceholderMapping());
-
-		System.out.println("==================");
-
-		// Initializer of the variable
-		ExpressionTree initializer = node.getInitializer();
-		if (initializer != null) {
-			System.out.println("VariableInitializer: " + initializer.toString());
-
-		}
-
-		return super.visitVariable(node, p);
-	}
-
-
-	@SuppressWarnings("rawtypes")
-	public ConstraintSet getConstraintSet() {
-		return constraintsSet;
-	}
-
-	public Map<TypePlaceholder, Tree> getPlaceholderMapping () {
-		return placeholderMapping;
-	}
-}
diff --git a/src/main/java/de/dhbwstuttgart/inferWildcards/TypeParamVisitor.java b/src/main/java/de/dhbwstuttgart/inferWildcards/TypeParamVisitor.java
deleted file mode 100644
index af51eb72..00000000
--- a/src/main/java/de/dhbwstuttgart/inferWildcards/TypeParamVisitor.java
+++ /dev/null
@@ -1,95 +0,0 @@
-package de.dhbwstuttgart.inferWildcards;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import com.sun.source.tree.IdentifierTree;
-import com.sun.source.tree.ParameterizedTypeTree;
-import com.sun.source.tree.Tree;
-import com.sun.source.util.TreeScanner;
-
-import de.dhbwstuttgart.parser.NullToken;
-import de.dhbwstuttgart.parser.scope.JavaClassName;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
-import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
-
-public class TypeParamVisitor
-	extends TreeScanner<List<JavaClassName>, Void>
-{
-	
-	//1. List erstellen, welche Methoden gibt es alles.
-	//2. die Expressions auflösen und Typen aus 1. heraus abfragen.
-	
-	//Vistor für Expressions anlegen. 
-
-	@SuppressWarnings("rawtypes")
-	private final ConstraintSet constraintsSet;
-	private final Map<TypePlaceholder, Tree> placeholderMapping;
-
-	public TypeParamVisitor () {
-		this.constraintsSet = new ConstraintSet<>();
-		this.placeholderMapping = new HashMap<>();
-	}
-
-	private TypePlaceholder generateTypePlaceholder (Tree t) {
-		TypePlaceholder tph = TypePlaceholder.fresh(new NullToken());
-		placeholderMapping.put(tph, t);
-		return tph;
-	}
-
-	@SuppressWarnings("rawtypes")
-	@Override
-	public List<JavaClassName> visitParameterizedType (ParameterizedTypeTree node, Void p) {
-		System.out.println("ParameterizedType: " + node.toString());
-
-		List<JavaClassName> list = new ArrayList<>();
-
-		node.getTypeArguments().forEach(t -> {
-			System.out.println("Parameters: ---");
-
-			// generate Type Placeholder
-			TypePlaceholder tph = generateTypePlaceholder(t);
-
-			// Search for the type parameter
-			List<JavaClassName> foundClassNames = t.accept(this, null);
-			foundClassNames.forEach(name -> {
-				ConstraintSet constraints = ConstraintsGenerationUtils.generateConstraints(name, tph);
-				constraintsSet.addAll(constraints);
-			});
-			
-			// consolidate results
-			list.addAll(foundClassNames);
-
-			System.out.println("---------------");
-		});
-
-		return list;
-	}
-
-	@Override
-	public List<JavaClassName> visitIdentifier (IdentifierTree node, Void p) {
-		System.out.println("Identifier: " + node.toString());
-
-		List<JavaClassName> list = new ArrayList<>();
-		list.add(new JavaClassName(node.getName().toString()));
-
-		return list;
-	}
-
-	@Override
-	public List<JavaClassName> reduce (List<JavaClassName> r1, List<JavaClassName> r2) {
-		r1.addAll(r2);
-		return r1;
-	}
-
-	@SuppressWarnings("rawtypes")
-	public ConstraintSet getConstraintsSet () {
-		return constraintsSet;
-	}
-
-	public Map<TypePlaceholder, Tree> getPlaceholderMapping () {
-		return placeholderMapping;
-	}
-}