1 files changed, 3 insertions, 0 deletions

diff --git a/src/io.h b/src/io.h
index 8a96b59..89394bf 100644
--- a/src/io.h
+++ b/src/io.h
@@ -1,6 +1,7 @@
 #ifndef DUCC_IO_H
 #define DUCC_IO_H
 
+#include "json.h"
 #include "std.h"
 
 struct SourceLocation {
@@ -9,6 +10,8 @@ struct SourceLocation {
 };
 typedef struct SourceLocation SourceLocation;
 
+void sourcelocation_build_json(JsonBuilder* builder, SourceLocation* loc);
+
 struct InFile {
     const char* buf;
     int pos;