loader: use `has_suffix` instead of file_extension

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

diff --git a/src/loader.nit b/src/loader.nit
index a59ccf0..e50f562 100644 (file)
--- a/src/loader.nit
+++ b/src/loader.nit
@@ -323,7 +323,7 @@ redef class ModelBuilder
        fun identify_file(path: String): nullable ModulePath
        do
                # special case for not a nit file
-               if path.file_extension != "nit" then
+               if not path.has_suffix(".nit") then
                        # search dirless files in known -I paths
                        if not path.chars.has('/') then
                                var res = search_module_in_paths(null, path, self.paths)
@@ -541,7 +541,7 @@ redef class ModelBuilder
        # Display an error if there is a problem (IO / lexer / parser) and return null
        fun load_module_ast(filename: String): nullable AModule
        do
-               if filename.file_extension != "nit" then
+               if not filename.has_suffix(".nit") then
                        self.toolcontext.error(null, "Error: file `{filename}` is not a valid nit module.")
                        return null
                end