contrib/mnit_test: deactivate the test reading `long` from shared_preferences

[nit.git] / src / loader.nit

diff --git a/src/loader.nit b/src/loader.nit
index 90404ba..7d1c564 100644 (file)
--- a/src/loader.nit
+++ b/src/loader.nit
@@ -344,10 +344,18 @@ redef class ModelBuilder
        # See `identify_file`.
        var identified_files = new Array[ModulePath]
 
-       # Identify a source file
-       # Load the associated project and groups if required
+       # Identify a source file and load the associated project and groups if required.
        #
-       # Silently return `null` if `path` is not a valid module path.
+       # This method does what the user expects when giving an argument to a Nit tool.
+       #
+       # * If `path` is an existing Nit source file (with the `.nit` extension),
+       #   then the associated ModulePath is returned
+       # * If `path` is a directory (with a `/`),
+       #   then the ModulePath of its default module is returned (if any)
+       # * If `path` is a simple identifier (eg. `digraph`),
+       #   then the main module of the project `digraph` is searched in `paths` and returned.
+       #
+       # Silently return `null` if `path` does not exists or cannot be identified.
        fun identify_file(path: String): nullable ModulePath
        do
                # special case for not a nit file
@@ -374,6 +382,11 @@ redef class ModelBuilder
                        path = candidate
                end
 
+               # Does the file exists?
+               if not path.file_exists then
+                       return null
+               end
+
                # Fast track, the path is already known
                var pn = path.basename(".nit")
                var rp = module_absolute_path(path)