From ee63307aee839c7ce5e7bf032402a3b05809c51e Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Wed, 11 Nov 2020 21:33:02 -0800
Subject: Add the interpreter

---
 src/com/craftinginterpreters/lox/Lox.java | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'src/com/craftinginterpreters/lox/Lox.java')

diff --git a/src/com/craftinginterpreters/lox/Lox.java b/src/com/craftinginterpreters/lox/Lox.java
index 586442d..a3334e3 100644
--- a/src/com/craftinginterpreters/lox/Lox.java
+++ b/src/com/craftinginterpreters/lox/Lox.java
@@ -9,7 +9,9 @@ import java.nio.file.Paths;
 import java.util.List;
 
 public class Lox {
-    private static boolean hadError = false;
+    private static final Interpreter interpreter = new Interpreter();
+    public static boolean hadError = false;
+    public static boolean hadRuntimeError = false;
 
     public static void main(String[] args) throws IOException {
         if (args.length > 1) {
@@ -29,6 +31,8 @@ public class Lox {
         // Indicate an error in the exit code.
         if (hadError)
             System.exit(65);
+        if (hadRuntimeError)
+            System.exit(70);
     }
 
     private static void runPrompt() throws IOException {
@@ -52,9 +56,10 @@ public class Lox {
         Expr expression = parser.parse();
 
         // Stop if there was a syntax error
-        if (hadError) return;
+        if (hadError)
+            return;
 
-        System.out.println(new AstPrinter().print(expression));
+        interpreter.interpret(expression);
     }
 
     public static void error(int line, String message) {
@@ -73,4 +78,9 @@ public class Lox {
             report(token.line, " at '" + token.lexeme + "'", message);
         }
     }
+
+    public static void runtimeError(RuntimeError error) {
+        System.err.println(error.getMessage() + "\n[line " + error.token.line + "]");
+        hadRuntimeError = true;
+    }
 }
-- 
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