1 files changed, 32 insertions, 0 deletions
diff --git a/cmake/elfinfo/src/main/test/io/trygvis/ld/SystemOutReportingErrorListener.java b/cmake/elfinfo/src/main/test/io/trygvis/ld/SystemOutReportingErrorListener.java
new file mode 100644
index 0000000..c21a2e2
--- /dev/null
+++ b/cmake/elfinfo/src/main/test/io/trygvis/ld/SystemOutReportingErrorListener.java
@@ -0,0 +1,32 @@
+package io.trygvis.ld;
+
+import org.antlr.v4.runtime.BaseErrorListener;
+import org.antlr.v4.runtime.RecognitionException;
+import org.antlr.v4.runtime.Recognizer;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class SystemOutReportingErrorListener extends BaseErrorListener {
+    @Nullable
+    private final String input;
+
+    public SystemOutReportingErrorListener(@Nonnull String input) {
+        this.input = input;
+    }
+
+    public SystemOutReportingErrorListener() {
+        input = null;
+    }
+
+    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) {
+        System.out.println("line " + line + ":" + charPositionInLine + " " + msg);
+        if (input != null) {
+            System.out.println(input);
+            for (int i = 1; i < charPositionInLine; i++) {
+                System.out.print(' ');
+            }
+        }
+        System.out.println('^');
+    }
+}