diff --git a/src/parser.bux b/src/parser.bux
index db1c3a5..d2c9b70 100644
--- a/src/parser.bux
+++ b/src/parser.bux
@@ -1773,6 +1773,35 @@ func Parser_Parse(tokens: *LexToken, tokenCount: int) -> *Module {
         }
     }
 
+    /* Print parser diagnostics */
+    if p.diagCount > 0 {
+        var di: int = 0;
+        while di < p.diagCount {
+            let d: ParserDiag = p.diags[di];
+            Print("error: ");
+            PrintLine(d.message);
+            Print("  --> <input>:");
+            PrintInt(d.line as int64);
+            Print(":");
+            PrintInt(d.column as int64);
+            PrintLine("");
+            Print("   |");
+            PrintLine("");
+            Print(" ");
+            PrintInt(d.line as int64);
+            Print(" | <source unavailable>");
+            PrintLine("");
+            Print("   | ");
+            var sp: uint32 = 0;
+            while sp < d.column - 1 && sp < 120 {
+                Print(" ");
+                sp = sp + 1;
+            }
+            PrintLine("^");
+            di = di + 1;
+        }
+    }
+
     return mod;
 }