add ast class of view

sqlTranslate/src/main/java/Parser/AST/View/ViewEndNode.java

@@ -0,0 +1,24 @@
+package Parser.AST.View;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.List;
+
+public class ViewEndNode extends ASTNode {
+    public ViewEndNode(ASTNode node) {
+        super(node);
+    }
+
+    public ViewEndNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString());
+        for (ASTNode child : getChildren()) {
+            child.visit(child, queryString);
+        }
+    }
+}

sqlTranslate/src/main/java/Parser/AST/View/ViewNameNode.java

@@ -0,0 +1,24 @@
+package Parser.AST.View;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.List;
+
+public class ViewNameNode extends ASTNode {
+    public ViewNameNode(ASTNode node) {
+        super(node);
+    }
+
+    public ViewNameNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren()) {
+            child.visit(child, queryString);
+        }
+    }
+}

sqlTranslate/src/main/java/Parser/AST/View/ViewNode.java

@@ -0,0 +1,24 @@
+package Parser.AST.View;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.List;
+
+public class ViewNode extends ASTNode {
+    public ViewNode(ASTNode node) {
+        super(node);
+    }
+
+    public ViewNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren()) {
+            child.visit(child, queryString);
+        }
+    }
+}

sqlTranslate/src/main/java/Parser/AST/View/ViewTargetNode.java

@@ -0,0 +1,24 @@
+package Parser.AST.View;
+
+import Lexer.Token;
+import Parser.AST.ASTNode;
+
+import java.util.List;
+
+public class ViewTargetNode extends ASTNode {
+    public ViewTargetNode(ASTNode node) {
+        super(node);
+    }
+
+    public ViewTargetNode(List<Token> tokens) {
+        super(tokens);
+    }
+
+    @Override
+    public void visit(ASTNode node, StringBuilder queryString) {
+        queryString.append(toString() + " ");
+        for (ASTNode child : getChildren()) {
+            child.visit(child, queryString);
+        }
+    }
+}