compiler: fix the signature of `add_extern`

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

diff --git a/src/compiler/abstract_compiler.nit b/src/compiler/abstract_compiler.nit
index eea089a..031f417 100644 (file)
--- a/src/compiler/abstract_compiler.nit
+++ b/src/compiler/abstract_compiler.nit
@@ -1458,10 +1458,11 @@ abstract class AbstractCompilerVisitor
                self.require_declaration(s)
        end
 
-       # look for a needed .h and .c file for a given .nit source-file
-       # FIXME: bad API, parameter should be a `MModule`, not its source-file
-       fun add_extern(file: String)
+       # Look for a needed .h and .c file for a given module
+       # This is used for the legacy FFI
+       fun add_extern(mmodule: MModule)
        do
+               var file = mmodule.location.file.filename
                file = file.strip_extension(".nit")
                var tryfile = file + ".nit.h"
                if tryfile.file_exists then
@@ -2157,10 +2158,7 @@ redef class AMethPropdef
                else
                        return false
                end
-               if location.file != null then
-                       var file = location.file.filename
-                       v.add_extern(file)
-               end
+               v.add_extern(mpropdef.mclassdef.mmodule)
                var res: nullable RuntimeVariable = null
                var ret = mpropdef.msignature.return_mtype
                if ret != null then
@@ -2192,10 +2190,7 @@ redef class AMethPropdef
                else
                        return false
                end
-               if location.file != null then
-                       var file = location.file.filename
-                       v.add_extern(file)
-               end
+               v.add_extern(mpropdef.mclassdef.mmodule)
                v.adapt_signature(mpropdef, arguments)
                v.unbox_signature_extern(mpropdef, arguments)
                var ret = arguments.first.mtype