Merge pull request #968 from pmoura/add_make_directory_path_predicate

Add make_directory_path/1 predicate to the files library

src/clause_types.rs

@@ -173,6 +173,7 @@ pub(crate) enum SystemClauseType {
     DirectoryExists,
     DirectorySeparator,
     MakeDirectory,
+    MakeDirectoryPath,
     DeleteFile,
     DeleteDirectory,
     WorkingDirectory,
@@ -335,6 +336,7 @@ impl SystemClauseType {
             &SystemClauseType::DirectoryExists => clause_name!("$directory_exists"),
             &SystemClauseType::DirectorySeparator => clause_name!("$directory_separator"),
             &SystemClauseType::MakeDirectory => clause_name!("$make_directory"),
+            &SystemClauseType::MakeDirectoryPath => clause_name!("$make_directory_path"),
             &SystemClauseType::DeleteFile => clause_name!("$delete_file"),
             &SystemClauseType::DeleteDirectory => clause_name!("$delete_directory"),
             &SystemClauseType::WorkingDirectory => clause_name!("$working_directory"),
@@ -745,6 +747,7 @@ impl SystemClauseType {
             ("$directory_exists", 1) => Some(SystemClauseType::DirectoryExists),
             ("$directory_separator", 1) => Some(SystemClauseType::DirectorySeparator),
             ("$make_directory", 1) => Some(SystemClauseType::MakeDirectory),
+            ("$make_directory_path", 1) => Some(SystemClauseType::MakeDirectoryPath),
             ("$delete_file", 1) => Some(SystemClauseType::DeleteFile),
             ("$delete_directory", 1) => Some(SystemClauseType::DeleteDirectory),
             ("$working_directory", 2) => Some(SystemClauseType::WorkingDirectory),

src/lib/files.pl

@@ -53,6 +53,7 @@
                   delete_file/1,
 				  delete_directory/1,
                   make_directory/1,
+                  make_directory_path/1,
                   working_directory/2,
                   path_canonical/2,
                   path_segments/2,
@@ -91,6 +92,10 @@ make_directory(Directory) :-
         list_of_chars(Directory),
         '$make_directory'(Directory).
 
+make_directory_path(Directory) :-
+        list_of_chars(Directory),
+        '$make_directory_path'(Directory).
+
 delete_file(File) :-
         file_must_exist(File, delete_file/1),
         list_of_chars(File),

src/machine/system_calls.rs

@@ -878,6 +878,17 @@ impl MachineState {
                     }
                 }
             }
+            &SystemClauseType::MakeDirectoryPath => {
+                let directory = self.heap_pstr_iter(self[temp_v!(1)]).to_string();
+
+                match fs::create_dir_all(directory) {
+                    Ok(_) => {}
+                    _ => {
+                        self.fail = true;
+                        return Ok(());
+                    }
+                }
+            }
             &SystemClauseType::DeleteFile => {
                 let file = self.heap_pstr_iter(self[temp_v!(1)]).to_string();