built-in predicate
logtalk_load/1ï
Descriptionï
logtalk_load(File)
logtalk_load(Files)
Compiles to disk and then loads to memory a source file or a list
of source files using the default compiler flag values. The Logtalk source
file name extension (by default, .lgt) can be omitted. Source file
paths can be absolute, relative to the current directory, or use
library notation. This predicate can also be used to compile Prolog
source files as Logtalk source code. When no recognized Logtalk or Prolog
extension is specified, the compiler tries first to append a Logtalk source
file extension and then a Prolog source file extension. If that fails, the
compiler tries to use the file name as-is. The recognized Logtalk and Prolog
file extensions are defined in the backend adapter files.
When this predicate is called from the top-level interpreter, relative source file paths are resolved using the current working directory. When the calls are made from a source file, relative source file paths are resolved using the source file directory.
Note that only the errors related to problems in the predicate argument are listed below. This predicate fails on the first error found during compilation of a source file. In this case, no contents of the source file are loaded.
Depending on the backend Prolog compiler, the shortcuts {File}
or {File1, File2, ...} may be used in alternative. Check the adapter
files for the availability of these shortcuts as they are not part of
the language (and thus should only be used at the top-level
interpreter).
Modes and number of proofsï
logtalk_load(@source_file_name) - zero_or_one
logtalk_load(@list(source_file_name)) - zero_or_one
Errorsï
File is a variable:instantiation_errorFiles is a variable or a list with an element which is a variable:instantiation_errorFile, or an element File of the Files list, is neither a variable nor a source file name:type_error(source_file_name, File)File, or an element File of the Files list, uses library notation but the library does not exist:existence_error(library, Library)File or an element File of the Files list, does not exist:existence_error(file, File)Examplesï
% compile and load the "set" source file in the
% current directory:
| ?- logtalk_load(set).
% compile and load the "tree" source file in the
% "types" library directory:
| ?- logtalk_load(types(tree)).
% compile and load the "listp" and "list" source
% files in the current directory:
| ?- logtalk_load([listp, list]).