niti: add extern `file_realpath`

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/naive_interpreter.nit b/src/naive_interpreter.nit
index 3058bec..74b22b3 100644 (file)
--- a/src/naive_interpreter.nit
+++ b/src/naive_interpreter.nit
@@ -900,6 +900,8 @@ redef class AExternMethPropdef
                        else if pname == "file_chdir" then
                                recvval.to_s.chdir
                                return null
+                       else if pname == "file_realpath" then
+                               return v.native_string_instance(recvval.to_s.realpath)
                        else if pname == "get_environ" then
                                var txt = recvval.to_s.environ
                                return v.native_string_instance(txt)