diff -r b40b0e18a918 -r dfce0539a77d jitcraft/CompileContext.cpp
--- a/jitcraft/CompileContext.cpp	Tue Jul 10 02:11:13 2012 -0700
+++ b/jitcraft/CompileContext.cpp	Wed Jul 11 01:12:54 2012 -0700
@@ -18,21 +18,30 @@
 #include <stdio.h>
 #include "Scanner.h"
 #include "CompileContext.h"
+#include "Zone.h"
 
 using namespace ke;
 
-CompileContext::CompileContext(Zone *zone)
+CompileContext::CompileContext(Zone *zone, const char *file)
   : zone_(zone),
-    failures_(0)
+    failures_(0),
+    file_(file)
 {
 }
 
+CompileContext::~CompileContext()
+{
+    if (failures_)
+        zone_->endCompilationErrors();
+}
+
 void
 CompileContext::reportErrorVa(const SourcePosition &pos, Message msg, va_list ap)
 {
-    fprintf(stderr, "error on line %d, col %d: ", pos.line, pos.col);
-    vfprintf(stderr, Messages[msg].format, ap);
-    fprintf(stderr, "\n");
+    if (!failures_)
+        zone_->beginCompilationErrors(file_);
+
+    zone_->reportCompilationError(msg, pos.line, pos.col, ap);
 
     failures_++;
 }