Homework B (benchmarks)

src/cd/ir/AstVisitor.java

@@ -4,18 +4,21 @@ import cd.ir.Ast.Decl;
 import cd.ir.Ast.Expr;
 import cd.ir.Ast.Stmt;
 
-/** A visitor that visits any kind of node */
-public class AstVisitor<R,A> extends ExprVisitor<R,A> {
-	
-	/** 
-	 * Recurse and process {@code ast}.  It is preferred to 
+/**
+ * A visitor that visits any kind of node
+ */
+public class AstVisitor<R, A> extends ExprVisitor<R, A> {
+
+	/**
+	 * Recurse and process {@code ast}.  It is preferred to
 	 * call this rather than calling accept directly, since
-	 * it can be overloaded to introduce memoization, 
-	 * for example. */
+	 * it can be overloaded to introduce memoization,
+	 * for example.
+	 */
 	public R visit(Ast ast, A arg) {
 		return ast.accept(this, arg);
 	}
-	
+
 	/**
 	 * Overrides {@link ExprVisitor#visitChildren(Expr, Object)} and
 	 * delegates to the more general {@link #visitChildren(Ast, Object)}
@@ -26,11 +29,11 @@ public class AstVisitor<R,A> extends ExprVisitor<R,A> {
 	public final R visitChildren(Expr ast, A arg) {
 		return visitChildren((Ast) ast, arg);
 	}
-	
+
 	/**
 	 * A handy function which visits the children of {@code ast},
 	 * providing "arg" to each of them.  It returns the result of
-	 * the last child in the list.  It is invoked by the method 
+	 * the last child in the list.  It is invoked by the method
 	 * {@link #dflt(Ast, Object)} by default.
 	 */
 	public R visitChildren(Ast ast, A arg) {
@@ -39,35 +42,39 @@ public class AstVisitor<R,A> extends ExprVisitor<R,A> {
 			lastValue = visit(child, arg);
 		return lastValue;
 	}
-	
-	/** 
+
+	/**
 	 * The default action for default actions is to call this,
 	 * which simply recurses to any children.  Also called
-	 * by seq() by default. */
+	 * by seq() by default.
+	 */
 	protected R dflt(Ast ast, A arg) {
 		return visitChildren(ast, arg);
 	}
-	
-	/** 
-	 * The default action for statements is to call this */
+
+	/**
+	 * The default action for statements is to call this
+	 */
 	protected R dfltStmt(Stmt ast, A arg) {
 		return dflt(ast, arg);
 	}
-	
-	/** 
-	 * The default action for expressions is to call this */
+
+	/**
+	 * The default action for expressions is to call this
+	 */
 	@Override
 	protected R dfltExpr(Expr ast, A arg) {
 		return dflt(ast, arg);
 	}
 
-	/** 
+	/**
 	 * The default action for AST nodes representing declarations
-	 * is to call this function */
+	 * is to call this function
+	 */
 	protected R dfltDecl(Decl ast, A arg) {
 		return dflt(ast, arg);
 	}
-	
+
 	public R assign(Ast.Assign ast, A arg) {
 		return dfltStmt(ast, arg);
 	}
@@ -79,23 +86,23 @@ public class AstVisitor<R,A> extends ExprVisitor<R,A> {
 	public R builtInWriteln(Ast.BuiltInWriteln ast, A arg) {
 		return dfltStmt(ast, arg);
 	}
-	
+
 	public R classDecl(Ast.ClassDecl ast, A arg) {
 		return dfltDecl(ast, arg);
 	}
-	
+
 	public R methodDecl(Ast.MethodDecl ast, A arg) {
 		return dfltDecl(ast, arg);
 	}
-			
+
 	public R varDecl(Ast.VarDecl ast, A arg) {
 		return dfltDecl(ast, arg);
 	}
-	
+
 	public R ifElse(Ast.IfElse ast, A arg) {
 		return dfltStmt(ast, arg);
 	}
-	
+
 	public R returnStmt(Ast.ReturnStmt ast, A arg) {
 		return dfltStmt(ast, arg);
 	}
@@ -107,11 +114,11 @@ public class AstVisitor<R,A> extends ExprVisitor<R,A> {
 	public R nop(Ast.Nop ast, A arg) {
 		return dfltStmt(ast, arg);
 	}
-	
+
 	public R seq(Ast.Seq ast, A arg) {
 		return dflt(ast, arg);
 	}
-	
+
 	public R whileLoop(Ast.WhileLoop ast, A arg) {
 		return dfltStmt(ast, arg);
 	}