From 6e7f0e0ae9c57f76bb57a23004819b8cb49589da Mon Sep 17 00:00:00 2001
From: physick <mynameisgennadiy@vk.com>
Date: Thu, 20 Aug 2026 18:08:25 +0500
Subject: build system revamp + entry point

---
 jlox/app/src/main/java/org/example/App.java | 14 ----------
 jlox/app/src/main/java/org/example/lox.java | 43 +++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 14 deletions(-)
 delete mode 100644 jlox/app/src/main/java/org/example/App.java
 create mode 100644 jlox/app/src/main/java/org/example/lox.java

(limited to 'jlox/app/src/main/java/org')

diff --git a/jlox/app/src/main/java/org/example/App.java b/jlox/app/src/main/java/org/example/App.java
deleted file mode 100644
index e7e1af9..0000000
--- a/jlox/app/src/main/java/org/example/App.java
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package org.example;
-
-public class App {
-    public String getGreeting() {
-        return "Hello World!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}
diff --git a/jlox/app/src/main/java/org/example/lox.java b/jlox/app/src/main/java/org/example/lox.java
new file mode 100644
index 0000000..e15f8ad
--- /dev/null
+++ b/jlox/app/src/main/java/org/example/lox.java
@@ -0,0 +1,43 @@
+package org.example;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+public class lox {
+    public static void main(String[] args) throws IOException {
+        switch (args.length) {
+            case 0:
+                RunPropmt();
+                return;
+            case 1:
+                InerpritFile(args[0]);
+                return;
+            default:
+                System.out.println("Invalid arguments");
+        }
+    }
+
+    private static void RunPropmt() throws IOException {
+        InputStreamReader inp = new InputStreamReader(System.in);
+        BufferedReader reader= new BufferedReader(inp);
+
+        while (true) {
+            System.out.print("$ ");
+            String prompt = reader.readLine();
+            if (prompt == null) break;
+            run(prompt);
+        }
+    }
+
+    private static void InerpritFile(String fileName) throws IOException {
+        byte[] bytes = Files.readAllBytes(Paths.get(fileName));
+        run(new String(bytes, Charset.defaultCharset()));
+    }
+
+    private static void run(String program) {
+        System.out.println(program);
+    }
+}
-- 
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