From 6c03bf5fe4782c3e28369852a3be95bd7de95a0a Mon Sep 17 00:00:00 2001
From: albertlatacz <albert.latacz@gmail.com>
Date: Mon, 28 Nov 2016 19:00:55 +0000
Subject: [PATCH] :load now displays errors (fixes #60)

---
 src/javarepl/Utils.java                           | 7 +++++++
 src/javarepl/console/TimingOutConsole.java        | 8 +++-----
 src/javarepl/console/commands/LoadSourceFile.java | 5 ++++-
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/javarepl/Utils.java b/src/javarepl/Utils.java
index 9d4324d..a141b8d 100644
--- a/src/javarepl/Utils.java
+++ b/src/javarepl/Utils.java
@@ -13,6 +13,7 @@
 import java.net.ServerSocket;
 import java.net.URI;
 import java.net.URL;
+import java.util.function.Consumer;
 import java.util.jar.JarFile;
 import java.util.jar.JarInputStream;
 import java.util.jar.Manifest;
@@ -165,4 +166,10 @@ public static Sequence<String> entries(File file) {
             }
         }
     }
+
+    public static Consumer<Throwable> throwException() {
+        return throwable -> {
+            throw new RuntimeException(throwable);
+        };
+    }
 }
diff --git a/src/javarepl/console/TimingOutConsole.java b/src/javarepl/console/TimingOutConsole.java
index 0cb6b44..bceea94 100644
--- a/src/javarepl/console/TimingOutConsole.java
+++ b/src/javarepl/console/TimingOutConsole.java
@@ -53,11 +53,9 @@ private void scheduleInactivityTimeout() {
     }
 
     private Callable<Object> exitWithCode(final int code) {
-        return new Callable<Object>() {
-            public Object call() throws Exception {
-                System.exit(code);
-                return null;
-            }
+        return () -> {
+            System.exit(code);
+            return null;
         };
     }
 
diff --git a/src/javarepl/console/commands/LoadSourceFile.java b/src/javarepl/console/commands/LoadSourceFile.java
index 2f3c350..67e3ef9 100644
--- a/src/javarepl/console/commands/LoadSourceFile.java
+++ b/src/javarepl/console/commands/LoadSourceFile.java
@@ -9,6 +9,7 @@
 import static com.googlecode.totallylazy.Files.asFile;
 import static com.googlecode.totallylazy.Strings.startsWith;
 import static java.lang.String.format;
+import static javarepl.Utils.throwException;
 
 public final class LoadSourceFile extends Command {
     private static final String COMMAND = ":load";
@@ -26,7 +27,9 @@ public void execute(String expression) {
 
         if (!path.isEmpty()) {
             try {
-                evaluator.evaluate(Strings.lines(path.map(asFile()).get()).toString("\n"));
+                evaluator.evaluate(Strings.lines(path.map(asFile()).get()).toString("\n"))
+                        .leftOption()
+                        .forEach(throwException());
                 logger.success(format("Loaded source file from %s", path.get()));
             } catch (Exception e) {
                 logger.error(format("Could not load source file from %s.\n  %s", path.get(), e.getLocalizedMessage()));