1 files changed, 0 insertions, 147 deletions
diff --git a/src/com/craftinginterpreters/lox/AstPrinter.java b/src/com/craftinginterpreters/lox/AstPrinter.java
deleted file mode 100644
index 4c120d3..0000000
--- a/src/com/craftinginterpreters/lox/AstPrinter.java
+++ /dev/null
@@ -1,147 +0,0 @@
-package com.craftinginterpreters.lox;
-
-import java.util.List;
-
-/**
- * AstPrinter
- */
-class AstPrinter implements Expr.Visitor<String>, Stmt.Visitor<String> {
-    String print(Expr expr) {
-        return expr.accept(this);
-    }
-
-    @Override
-    public String visitCallExpr(Expr.Call expr) {
-        StringBuilder builder = new StringBuilder();
-
-        builder.append(print(expr.callee));
-        builder.append(parenthesizeExpr("", expr.arguments));
-
-        return builder.toString();
-    }
-
-    @Override
-    public String visitBinaryExpr(Expr.Binary expr) {
-        return parenthesizeExpr(expr.operator.lexeme, expr.left, expr.right);
-    }
-
-    @Override
-    public String visitGroupingExpr(Expr.Grouping expr) {
-        return parenthesizeExpr("group", expr.expression);
-    }
-
-    @Override
-    public String visitLiteralExpr(Expr.Literal expr) {
-        if (expr.value == null)
-            return "nil";
-        return expr.value.toString();
-    }
-
-    @Override
-    public String visitLogicalExpr(Expr.Logical expr) {
-        return parenthesizeExpr(expr.operator.type.toString(), expr.left, expr.right);
-    }
-
-    @Override
-    public String visitUnaryExpr(Expr.Unary expr) {
-        return parenthesizeExpr(expr.operator.lexeme, expr.right);
-    }
-
-    @Override
-    public String visitVariableExpr(Expr.Variable expr) {
-        return expr.name.lexeme;
-    }
-
-    @Override
-    public String visitAssignExpr(Expr.Assign expression) {
-        return parenthesizeExpr(expression.name.lexeme + " = ", expression.value);
-    }
-
-    @Override
-    public String visitVarStmt(Stmt.Var statement) {
-        return parenthesizeExpr("define " + statement.name.lexeme + " = ", statement.initializer);
-    }
-
-    @Override
-    public String visitWhileStmt(Stmt.While statement) {
-        StringBuilder builder = new StringBuilder();
-
-        builder.append('(');
-        builder.append(parenthesizeExpr("while", statement.condition));
-        builder.append(parenthesizeStmt("do", statement.body));
-        builder.append(')');
-
-        return builder.toString();
-    }
-
-    @Override
-    public String visitPrintStmt(Stmt.Print statement) {
-        return parenthesizeExpr("print", statement.expression);
-    }
-
-    @Override
-    public String visitExpressionStmt(Stmt.Expression expression) {
-        return expression.expression.accept(this);
-    }
-
-    @Override
-    public String visitIfStmt(Stmt.If stmt) {
-        StringBuilder builder = new StringBuilder();
-
-        builder.append("(");
-        builder.append(parenthesizeExpr("if", stmt.condition));
-        builder.append(parenthesizeStmt("then", stmt.thenBranch));
-
-        if (stmt.elseBranch != null) {
-            builder.append(parenthesizeStmt("else", stmt.elseBranch));
-        }
-        return builder.toString();
-    }
-
-    @Override
-    public String visitBlockStmt(Stmt.Block block) {
-        return parenthesizeStmt("", block.statements);
-    }
-
-    private String parenthesizeExpr(String name, Expr... exprs) {
-        return parenthesizeExpr(name, exprs);
-    }
-
-    private String parenthesizeExpr(String name, List<Expr> exprs) {
-        StringBuilder builder = new StringBuilder();
-
-        builder.append("(").append(name);
-        for (Expr expr : exprs) {
-            builder.append(" ");
-            builder.append(expr.accept(this));
-        }
-        builder.append(")");
-
-        return builder.toString();
-    }
-
-    private String parenthesizeStmt(String name, List<Stmt> statements) {
-        StringBuilder builder = new StringBuilder();
-
-        builder.append("(").append(name);
-        for (Stmt statement : statements) {
-            builder.append(" ");
-            builder.append(statement.accept(this));
-        }
-        builder.append(")");
-
-        return builder.toString();
-    }
-
-    private String parenthesizeStmt(String name, Stmt... statements) {
-        return parenthesizeStmt(name, statements);
-    }
-
-    public static void main(String[] args) {
-        Expr expression = new Expr.Binary(
-                new Expr.Unary(new Token(TokenType.MINUS, "-", null, 1), new Expr.Literal(123)),
-                new Token(TokenType.STAR, "*", null, 1), new Expr.Grouping(new Expr.Literal(45.67)));
-
-        System.out.println(new AstPrinter().print(expression));
-    }
-}