git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1196 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
1406 lines
50 KiB
Plaintext
1406 lines
50 KiB
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.22.1
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Copyright (c) 1998-2004 Paulo Moura. All Rights Reserved.
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=================================================================
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RELEASE NOTES
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=============
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2.22.1 - December 6, 2004
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Improved installation instructions. Updated the Windows installation
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JScript script to add the Logtalk directories "misc" and "xml" to the
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system PATH environment variable and to reuse the environment variable
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LOGTALKUSER if already defined.
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Added helper batch scripts (misc/cplgtdirs.bat, xml/lgt2html.bat, and
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xml/lgt2pdf.bat) for easily running the corresponding Windows JScript
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scripts from the command-line (the two xml/lgt2*.bat scripts run the
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corresponding *.js scripts stored in the %LOGTALKUSER%/xml directory
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in order to support user customization).
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Updated the lgt2html.* and lgt2pdf.* shell scripts to use the environment
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variable LOGTALKUSER instead of LOGTALKHOME for finding supporting files,
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thus allowing for end-user customization of the scripts and their related
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files.
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Added documentation on read-only compiler flags (which are defined in the
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configuration files) to the User Manual.
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Updated the misc/lgt_install.js JScript installer script to workaround a
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Windows Scripting Host bug which may result in broken shortcuts in the
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created "Logtalk" program group.
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2.22.0 - November 29, 2004
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Implemented a notion of library as simply a directory containing source
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files. Added a new dynamic predicate, logtalk_library_path/2, for
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specifying library paths. Added a sample file (libpaths/libpaths.pl) for
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setting library paths for the Logtalk standard library and for all the
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supplied examples.
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Added support for using the notation <library>(<entity>) with the built-in
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predicates logtalk_compile/1-2 and logtalk_load/1-2 for compiling and
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loading source files contained on a library, without the need to first
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change the current working directory.
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Changed the library and the examples loading instructions to use the new
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notation <library>(<entity>).
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Improved installation instructions and installation scripts. Added a new
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environment variable, LOGTALKUSER, for defining the location of the copies
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of the user-modifiable Logtalk files in a multiple users setup environment.
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Added utility predicates to most configuration files for querying and
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changing the current working directory (needed for the <library>(<entity>)
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notation to work).
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Corrected a bug in the code that checks for file existence when compiling
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or loading source files and source metafiles.
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2.21.6 - November 15, 2004
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Added support for using alternative directories for storing the Prolog files
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and the XML documenting files resulting from entity compilation. A new read-
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only flag, "altdirs", allows the support for alternative directories to be
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turned on the configuration files of Prolog compilers providing the necessary
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operating-system access predicates for implementing this feature.
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Improved installation instructions and reporting of default compilation flags
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at startup.
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Added a sorely missing "Hello World!" example :-)
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2.21.5 - November 2, 2004
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Added a new optimization compiler flag, "events", which can be used to switch
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off event-driven programming support when not needed, on a per-object basis,
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resulting in improved message sending performance.
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Small performance optimization to the runtime creation of dynamic objects,
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protocols, and categories.
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Updated the error handling code of the built-in predicates create_object/4,
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create_protocol/3, and create_category/4 in order to throw an instantiation
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error when called with a non-instantiated argument.
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Updated the benchmarks example to calculate and subtract the benchmark loop
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time in order to print absolute timings for the benchmarked goals.
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Updated the Qu-Prolog patching instructions to also convert Logtalk source
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metafiles.
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Fixed a typo on the XSB compatibility notes in the configs/NOTES file.
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2.21.4 - October 26, 2004
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Corrected a silly bug in the definition of the predicate repeat/1 on the
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new "benchmarks" example.
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2.21.3 - October 25, 2004
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Corrected a silly bug in message translation which resulted in a small
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performance loss. Simplified implementation of message sending predicate
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::/2, resulting in a small performance improvement.
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Added a new section on message sending performance to the user manual.
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Added a new example, "benchmarks", for helping measuring performance of
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Logtalk message sending between Prolog compilers and for comparing message
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sending with predicate calls in plain Prolog and with calls to modules
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predicates.
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Updated the YAP configuration file to hide some of the book-keeping tables
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of the Logtalk runtime engine and to use statistics/2 instead of cputime/0
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for more accurate timings.
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Updated the Logtalk shell installation script to create the $prefix/bin
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directory if it does not exist.
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The lgt2pdf.sh and lgt2html.sh shell scripts now use "rm -f" when removing
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the DTD and XSD files in order to avoid prompting the the user about the file
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permissions.
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Updated the cplgtdirs.sh shell script to make all copied files user writable.
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2.21.2 - October 18, 2004
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Added support for declaring grammar rule non-terminals as public, protected,
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private, dynamic, or discontiguous using the notation Functor//Arity. Added
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support for documenting non-terminals using the info/2 and mode/2 directives.
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Added support for a new alias/1 predicate property.
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New experimental config file for JIProlog 3.0 (see the configs/NOTES file
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for details).
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Added a mode bundle for the TextMode 1.0.x (MacOS X) text editor providing
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syntax highlighting, folding, and code snippets for editing Logtalk source
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files. Corrected a bug in the syntax coloring of the :-/1-2 operator on the
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SubEthaEdit 2.x text editor.
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2.21.1 - September 27, 2004
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Added experimental support for a new built-in method, expand_term/2, which
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allows access to the Logtalk grammar rule translator. Corrected bug in the
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expansion of \+/1 in grammar rule bodies. Optimized code generated for
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message sending calls in the body of grammar rules. Improved error handling
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of the built-in methods phrase/2 and phrase/3. Added new section on definite
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clause grammars to the user manual. Added two new objects to the "dcgs"
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example, dcgtest and bypass, containing test cases for the Logtalk DCG
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translator and illustrating some programming techniques with grammar rules.
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Corrected a bug in the implementation of the built-in method clause/2 which
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prevented access to clauses of local dynamic predicates.
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Corrected some dead links on the XHTML manuals.
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Corrected a bug in the syntax coloring of numbers on the SubEthaEdit 2.x
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text editor.
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2.21.0 - September 14, 2004
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Added a new predicate directive, alias/3, which allows the definition of
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alternative predicate names in order to improve readability of inherited
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features and to solve conflicts between implemented, imported, or inherited
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predicates.
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Added new example, "aliases", illustrating the use of the new alias/3
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predicate directive for improving readability of inherited features.
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Added new example, "diamonds", illustrating problems and solutions for the
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"diamond problem" (multi-inheritance conflicts and ambiguities) using the
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new alias/3 predicate directive.
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Allow categories to import other categories, i.e. allow categories to be
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defined as a composition of other categories. This feature should only be
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used when extending a category without breaking its functional cohesion
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(for example, when a modified version of a category is needed for importing
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into several unrelated objects).
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Added new example, "engines", illustrating importing a category from another
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category.
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Updated the syntax coloring configuration files for the supported text
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editors for the new alias/3 predicate directive.
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Added autocomplete strings for Logtalk methods and for Logtalk and Prolog
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built-in predicates and directives to the SubEthaEdit 2.x text editor.
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Corrected a bug which prevented compilation of metafiles containing
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parametric entities.
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2.20.2 - August 31, 2004
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Added a Windows JScript script for installing Logtalk. Improved the Windows
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JScript scripts used for easy integration of Logtalk with selected Prolog
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compilers.
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Improved user manual section on defining object and category metapredicates
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and on calling non-stardard Prolog built-in metapredicates. Improved the
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description of some compiler options.
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Added some files missing from the "errors" example (which should have been
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included in the previous release).
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Added basic syntax coloring support for the BBEdit 8.x text editor.
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2.20.1 - August 19, 2004
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Added Windows JScript scripts for easy integration of Logtalk with CIAO and
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GNU Prolog.
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Added encoding attribute (set to UTF-8) to the xsl:output tag in the
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lgtxml.xsl, lgthtml.xsl, and lgtxhtml.xsl files.
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Replaced the Windows JScript scripts lgt2pdf.js and lgt2html.js by their
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final versions (the wrong ones shipped with Logtalk version 2.20.0).
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Updated the "errors" example to illustrate possible conflict errors when
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using the uses/2 directive.
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Updated the RPM logtalk.spec file to use the .tgz archive extension.
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2.20.0 - August 16, 2004
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Added support for the uses/2 predicate directive (whose semantics is similar
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to C++ using-declarations). Updated the uses/1 entity directive to accept as
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argument a single object identifier.
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Improved installation instructions for Windows users.
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Added four new sample bash shell scripts and Windows JScript scripts for
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converting XML documenting files to PDF, HTML, and XHTML using several XSL
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processors.
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Added missing namespace to XSL files in order to generated valid (X)HTML
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files with recent versions of XSLT processors.
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Updated the User Manual documentation on converting XML documenting files
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to other formats.
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Removed the texml.xsl XSLT file as the TeXMLatte application it depends on
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is no longer available.
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Added Windows JScript script for copying the Logtalk examples, library, and
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xml directories to the user directory.
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Added Windows JScript scripts for easy integration of Logtalk with ECLiPSe,
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SWI-Prolog, SICStus Prolog, and YAP.
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Added missing extension for source metafiles to the SWI-Prolog hook file.
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Corrected a bug in the lgtxhtml.xsl XSLT file where a wrong reference to
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the Logtalk CSS file is being used in the xml-stylesheet tag.
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The iso_initialization_dir/1 compiler option is now a read only flag,
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defined in the configuration files.
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2.19.1 - August 2, 2004
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Corrected a bug where entities could not be reloaded if they depend on
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other, not yet loaded entities.
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Corrected a bug where compiler options would not be used when compiling
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source metafiles.
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Corrected several typos on the Logtalk manuals.
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2.19.0 - July 26, 2004
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Added support for defining more than one entity per file using Logtalk
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source metafiles (*.mlgt), which the runtime engine automatically splits
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on single entity source files plus loading and compiling helper files.
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Updated the URL used on the automatically generated XML documenting files
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when compiling entities with the option doctype(web).
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Improved error checking when compiling calls to the {}/1 control construct.
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Corrected several typos and some outdated links on the Logtalk manuals.
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2.18.0 - July 9, 2004
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Added caching of method lookups in order to improve message processing
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performance (including messages to self and super calls). Applied several
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optimizations to runtime translation of messages in order to further
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improve performance.
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Improved error checking while parsing and compiling messages to self.
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Update ECLiPSe config files to compile the Prolog files generated by Logtalk
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(when compiling source files) in optimized mode instead of traceable mode.
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Updated description of patches needed for running Logtalk with XSB, added
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a shell script for easy integration of Logtalk with this Prolog compiler,
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and corrected a problem with its corresponding config file.
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Added multifile/1 directive to the syntax coloring configuration files of the
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supported text editors.
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2.17.2 - June 14, 2004
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Updated the Logtalk compiler to allow compilation of source files which
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contain only directives and no entity definition.
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Simplified loading of library and example entities by using Logtalk source
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files as loader files.
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Some improvements to the documentation, including the QUICK_START file and
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the User Manual for first-time users, and to the example descriptions.
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Corrected a bug in handling of local object operators that are also global
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operators.
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Corrected a bug where dynamic directives are not being generated for dynamic
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predicates that lack a scope directive or an initial set of clauses.
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Corrected a bug where local dynamic predicates would need a private scope
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directive in order to allow clauses of the predicate to be retracted.
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Simplified compilation of dynamic and discontiguous predicate directives.
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Added new "logic" example implementing a translator from logic propositions
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to conjunctive normal form.
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Corrected a problem with wrong end-on-lines on some files.
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Added a shell script for easy integration of Logtalk with CIAO Prolog.
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2.17.1 - June 7, 2004
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Added custom handling of specification of predicate exceptions in info/2
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documenting directives when writing XML documenting files (declared as
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"exceptions is [Cond1-Term1, Cond2-Term2, ...]"; each pair (Condi, Termi)
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represents an error condition and its respective exception).
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Changed debugger command "e" to print exception terms instead of exiting
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Logtalk session.
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Corrected a compilation error with B-Prolog due to operator priorities.
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Corrected a possible problem with the redefinition of loaded entities that
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define (possibly at runtime) dynamic predicates. All clauses for an entity
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dynamic predicates are retracted before loading the new entity definition.
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Corrected a potential bug when pretty printing terms with variables in the
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debugger and in the created XML documenting files.
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Added four more DCGs examples ("walker movements", "iterative shell command
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parsing", "bill of materials", and "command language").
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New "puzzles" and "metainterpreters" examples.
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Added a mode bundle for the SubEthaEdit 2.x (MacOS X) text editor providing
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syntax coloring for editing Logtalk source files. Optimized some of the
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regular expressions in the syntax coloring files for the Kate/Kwrite and Vim
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text editors.
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Removed predicate nth/3 from library entities listp, list, and difflist.
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Replaced by the predicates nth0/3 and nth1/3. Added new predicates nth1/4
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and nth0/4.
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Updated the config file for Quintus Prolog to make use of the "files"
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library.
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Added experimental implementations for some Prolog compilers of the library
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portable protocol for operating system access (systemp.lgt). See the file
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library/experimental/NOTES for details.
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2.17.0 - April 26, 2004
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Added built-in debugging support implemented through the definition of a
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new pseudo-object named "debugger". Added "debug" compiler option. Renamed
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library entities "debuggerp" and "debugger" to, respectively, "event_dbgp"
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and "event_dbg".
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Improved installation instructions for multi-user environments. Added
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a shell script for installing Logtalk in Unix and Unix-like operating
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systems. Added a shell script for copying Logtalk xml, examples, and
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library directories to the user home directory.
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Added a logtalk.spec file for building Linux RPMs from sources.
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Added a set of shell scripts for easy integration of Logtalk with ECLiPSe,
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GNU Prolog, Qu-Prolog, SICStus Prolog, SWI-Prolog, and YAP.
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Corrected bug in the definition of the pseudo-object "user" that resulted
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in mixed up metapredicate and type predicate properties.
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Removed config files for outdated versions of Qu-Prolog, SWI-Prolog, ECLiPSe,
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K-Prolog, CIAO, YAP, Amzi! Prolog, LPA Win-Prolog, SICStus Prolog, and XSB.
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2.16.2 - April 2, 2004
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Corrected a bug in the library category monitor (file library/monitor.lgt)
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that prevents its compilation.
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Changed the possible values of the read-only flag startup_message (defined
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in the config files) to "flags" (print banner and flag values), "banner"
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(print only the banner), and "none" (do not print neither the banner nor the
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flag values). Default value is "flags".
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Updated the "errors" example to illustrate the error messages thrown when
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trying to redefine Logtalk built-in control constructs.
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Corrected a small problem with the Logtalk language specification file for
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Apple's Xcode IDE.
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Added preliminary support for syntax coloring using the Windows text editor
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Crimson Editor.
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2.16.1 - March 23, 2004
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The local built-in method parameter/2 can now be used inside categories
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(but please read the warnings about such practice on the user manual).
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Updated the Logtalk compiler to report an error when the user tries to
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redefine a message sending or external call control construct inside an
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object or category.
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Corrected a bug in the compilation of metacalls whose meta-arguments are
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variables.
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Removed references to file sax.jar from the scripts used to convert XML
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documenting files into (X)HTML. Updated scripts html.sh, htmlnt.cmd, and
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htmldos.bat to use XT 20020426a or later version.
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Improved syntax coloring accuracy of built-in predicates and methods for
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the SubEthaEdit text editor.
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Updated config file for Qu-Prolog 6.4.
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2.16.0 - March 3, 2004
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Logtalk is now distributed under the Artistic License 2.0.
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Operators declared inside an entity are now local to the entity, not
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affecting the global operator table (complying with the Logtalk language
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specification). Input and output of terms from inside objects and
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categories now work as expected in the presence of local operator
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declarations. Added a new example named "operators".
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Updated built-in method predicate_property/2 for returning metapredicate/1
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properties for both Logtalk and Prolog metapredicates.
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Added support for calls to non-ISO Prolog standard built-in metapredicates
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inside objects and categories. Added support for the declaration of non-ISO
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Prolog standard metapredicates in the config files.
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Small change to the way the Logtalk compiler reports the compilation of
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entities. Small optimizations to the compilation of Logtalk source files.
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Corrected a bug where calls to Logtalk built-in predicates would be
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reported as non-portable when the value of compiler option portability is
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set to warning.
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New config file for Qu-Prolog 6.4 (see the configs/NOTES file for details).
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Corrected a problem with the syntax coloring of quoted atoms and strings
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in the SubEthaEdit text editor. Added more accurate syntax highlight for
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built-in methods and built-in predicates.
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Updated the syntax coloring configuration files for all supported text
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editors to recognize the file extension used by the config files.
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2.15.6 - February 9, 2004
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Added "xmlspec" compiler option in order to specify the extension (dtd
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or xsd) of the file describing the XML documenting files specification.
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Renamed compiler option "named_anonymous_vars" to the more appropriated
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name "underscore_vars". Changed possible option values to "dont_care" and
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"singletons" (default).
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Added XSLT file for converting XML documenting files to XHTML 1.0 Strict
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files. Set the default encoding of all XSLT files to UTF-8.
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Added syntax coloring support for the KDE Kate and Kwrite text editors.
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Improved syntax coloring configuration files for VIM, jEdit, NEdit,
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SubEthaEdit, and Emacs text editors.
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Removed outdated support for MacOS X Project Builder and added support
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for the new MacOS X Xcode developer tool.
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Corrected bug in the built-in predicate current_logtalk_flag/2 that
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prevented some flag values from being returned after using the built-in
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predicate set_logtalk_flag/2.
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Corrected bug in the shapes example (wrong placement of the declaration
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of the predicate side/1).
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2.15.5 - December 30, 2003
|
|
|
|
Make operator ^^/1 right-associative for consistency with remaining
|
|
operator declarations.
|
|
|
|
Added file BIBLIOGRAPHY containing a list of Logtalk publications in
|
|
BibTeX format.
|
|
|
|
Added a font-lock file for Emacs providing syntax coloring for editing
|
|
Logtalk source files.
|
|
|
|
Added an implementation of the Smalltalk dependent mechanism to the
|
|
standard Logtalk library.
|
|
|
|
Updated the config file for ECLiPSe 5.4~5.7 with missing ISO Prolog
|
|
predicate definitions needed for successful compilation of all entities
|
|
in the Logtalk standard library.
|
|
|
|
Updated manual pages to comply with XHTML 1.0 Strict and to provide
|
|
better navigation.
|
|
|
|
|
|
2.15.4 - July 9, 2003
|
|
|
|
Corrected a spurious backtracking bug in the DCG rule translator. Added
|
|
two more examples of DCGs.
|
|
|
|
New config file for XSB 2.6. Updated Logtalk compiler to compile cleanly
|
|
under XSB after applying the patch described in configs/NOTES.
|
|
|
|
Updated SWI-Prolog config file to hide compiled entity predicates (requires
|
|
SWI-Prolog 5.2.3 or later version). New optional file configs/swihook.pl
|
|
contains hook code that allows Logtalk entities to be compiled and loaded
|
|
using SWI-Prolog load_files/2 and consult/1 predicates.
|
|
|
|
Syntax definition file for the Hydra 1.1 (MacOS X) text editor providing
|
|
syntax coloring for editing Logtalk source files.
|
|
|
|
Updated syntax coloring files for jEdit, NEdit, Vim, and TextPad in order
|
|
to recognize character code constants (0'x) and the DCG operator -->/2.
|
|
|
|
|
|
2.15.3 - June 27, 2003
|
|
|
|
Updated experimental support for DCG rules to prevent over-simplification
|
|
of unification goals in the compilation of rules to clauses. Push-back
|
|
lists can now be used on rule heads.
|
|
|
|
The compilation mode of an entity (static/dynamic) is now stored in the
|
|
corresponding entity table (implying recompilation of all entities).
|
|
|
|
Updated GNU Prolog config file to hide compiled entity predicates.
|
|
|
|
Updated SWI-Prolog config file for better integration of Logtalk with
|
|
this compiler.
|
|
|
|
|
|
2.15.2 - April 2, 2003
|
|
|
|
Experimental support for DCG rules inside categories and objects. Added
|
|
built-in methods phrase/2 and phrase/3.
|
|
|
|
Updated GNU Prolog config file to not hide compiled entity predicates in
|
|
order to avoid incompatibilities with dynamic entities.
|
|
|
|
|
|
2.15.1 - March 8, 2003
|
|
|
|
New example, msglog, of using events and monitors to record, replay, and
|
|
print user messages.
|
|
|
|
Corrected a typo on the jEdit templates that resulted in syntax errors.
|
|
Corrected wrong year format in info/1 directive in all entity templates.
|
|
Added missing version info key to jEdit prototype template.
|
|
|
|
Corrected documentation of built-in local methods self/1 and sender/1.
|
|
Updated documentation of built-in local methods parameter/2 and this/1.
|
|
|
|
|
|
2.15.0 - February 5, 2003
|
|
|
|
Changed "authors" key in info/1 directive to "author".
|
|
|
|
Corrected documentation of built-in local method this/1.
|
|
|
|
New geometric shapes example implemented in two versions, one
|
|
prototype-based and the other one class-based.
|
|
|
|
Improved support for jEdit text editor by adding a set of programming
|
|
templates for use with the editor Templates plug-in.
|
|
|
|
Added basic support for syntax highlighting and programming templates
|
|
for MacOS X Project builder.
|
|
|
|
|
|
2.14.7 - January 10, 2003
|
|
|
|
Corrected a bug in the built-in methods asserta/1 and assertz/1 when
|
|
asserting predicate rules.
|
|
|
|
The built-in predicates logtalk_compile/1-2 and logtalk_load/1-2 now
|
|
accept both an entity (an atom) or a list of entities (a list of atoms).
|
|
|
|
Optimized the code generated when compiling or asserting clauses for
|
|
dynamic predicates.
|
|
|
|
Optimized protected inheritance performance on some Prolog compilers.
|
|
|
|
|
|
2.14.6 - December 31, 2002
|
|
|
|
Corrected a bug where the opening directive of an object that,
|
|
simultaneously, implements a protocol, imports a categoty, instantiates
|
|
a class, and specializes a superclass, will not be recognized.
|
|
|
|
|
|
2.14.5 - December 20, 2002
|
|
|
|
Simplified dynamic table of predicate declarations by removing two
|
|
redundant arguments.
|
|
|
|
Corrected a bug where sending messages such as true/0 or !/0 to an
|
|
unknown object succeeded instead of throwing the correct exception.
|
|
|
|
Simplified the code used to generate links in the lgtpdfa4.xsl and
|
|
lgtpdfus.xsl XSLT files.
|
|
|
|
|
|
2.14.4 - November 5, 2002
|
|
|
|
Removed definition of depracated built-in predicate logtalk_version/3.
|
|
|
|
Show flag names when printing at startup the default flag values.
|
|
|
|
Small change to messages printed on console with smart compilation of
|
|
source files turned on.
|
|
|
|
Updated YAP 4.3.x config file to use the YAP "system" library to access
|
|
the operating system for time, date, and file properties (enabling smart
|
|
source code compilation).
|
|
|
|
Updated the lgtpdfa4.xsl and lgtpdfus.xsl XSLT files to workaround a bug
|
|
in the PassiveTeX 1.21 XSL:FO processor.
|
|
|
|
|
|
2.14.3 - Sptember 16, 2002
|
|
|
|
New compiler option, doctype, to set the doctype reference (if any)
|
|
in the XML documenting files. Default value is "local" for backward
|
|
compatibility. Updated the user manual section on compiler options.
|
|
|
|
The Logtalk built-in predicate logtalk_version/3 should be considered
|
|
deprecated (use current_logtalk_flag/3 instead). All references to this
|
|
predicate have been removed from the manuals.
|
|
|
|
Updated the jEdit syntax coloring config file for the new jEdit 4.1
|
|
version.
|
|
|
|
Updated the lgtpdfa4.xsl and lgtpdfus.xsl XSLT files for compatibility
|
|
with the XSL:FO processors Apache FOP 0.20.4, PassiveTeX, and RenderX
|
|
and with the XSL W3C Recommendation of October 15, 2001. Updated the
|
|
pdf.bat and pdf.sh scripts to reference the latest version of the
|
|
Apache FOP processor (0.20.4).
|
|
|
|
Changed the shell scripts html.sh and pdf.sh for compatibility with the
|
|
sh, bash, and zsh shells.
|
|
|
|
|
|
2.14.2 - August 26, 2002
|
|
|
|
Calls to built-in method parameter/2 are now compiled inline, improving
|
|
call performance.
|
|
|
|
Updated Logtalk compiler to clean temporary compilation predicates after
|
|
compiling an entity instead of only before compilation.
|
|
|
|
Updated YAP 4.3.x config file for better Logtalk integration by hiding
|
|
all internal compiler, runtime, and compiled entities static predicates.
|
|
|
|
Updated GNU Prolog config file for better Logtalk integration by hiding
|
|
all internal compiler, runtime, and compiled entities predicates.
|
|
|
|
Updated the XSLT conversion scripts lgtxml.xsl and lgthtml.xsl to correct
|
|
some HTML conformance errors in the generated pages.
|
|
|
|
Corrected some XHTML conformance errors in the manual pages.
|
|
|
|
|
|
2.14.1 - July 31, 2002
|
|
|
|
New Windows NT script and updated Unix shell script for batch converting
|
|
XML documenting files to HTML. Both scripts also generate an index.html
|
|
file containing links to all converted XML documenting files.
|
|
|
|
Corrected wrong XHTML DOCTYPE declaration in manual pages.
|
|
|
|
|
|
2.14.0 - July 26, 2002
|
|
|
|
Renamed all compiler and runtime internal predicates and all auxiliary
|
|
predicates in the config files to start with a "$" character.
|
|
|
|
New compiler option, code_prefix, to set a prefix for all Prolog code
|
|
functors generated by Logtalk when compiling entities. Default is ''.
|
|
|
|
New compiler option, named_anonymous_vars, that instructs the compiler to
|
|
interpret variables that start with an underscore as anonymous variables
|
|
(and to not report them as singleton variables). Default value is "off".
|
|
|
|
Directive info/2 was wrongly declared as a entity directive instead of a
|
|
predicate directive.
|
|
|
|
Converted all manual pages to XHTML 1.0 format. Corrected a wrong link in
|
|
the reference manual. Replaced GIF images by PNG versions.
|
|
|
|
Updated BProlog 6.x config file to workaround the new 6.2 built-in
|
|
predicate ::/2 that conflicts with the same named Logtalk message sending
|
|
operator.
|
|
|
|
Removed call to the obsolete built-in predicate nodbgcomp/0 from all
|
|
ECLiPSe config files.
|
|
|
|
|
|
2.13.0 - June 15, 2002
|
|
|
|
Logtalk now outputs Prolog code using write_canonical/2 instead of
|
|
write_term/3. Goals are better portability of the generated Prolog files
|
|
and avoid issues with clauses with long bodies for Prolog compilers that
|
|
use a term print depth limit to prevent problems with cyclic terms.
|
|
|
|
Added report of default flag values at Logtalk startup.
|
|
|
|
Logtalk now prints a warning when redefining parametric objects.
|
|
|
|
Removed need of an abort/0 predicate from the Logtalk debugger example.
|
|
Removed any definition of this predicate from the config files.
|
|
|
|
Added missing definitions for some ISO built-in predicates to the Amzi!
|
|
Prolog 6.2.2 config file.
|
|
|
|
|
|
2.12.0 - May 25, 2002
|
|
|
|
New read-only Logtalk flag "version". Corrected exception term generated
|
|
when trying to modify a read-only flag using the set_logtalk_flag/2
|
|
built-in predicate.
|
|
|
|
Updated config file for OpenProlog 1.1b5.
|
|
|
|
New config file for ECLiPSe 5.4.
|
|
|
|
Renamed config files for CIAO 1.7 (beta of 1.8) to "ciao_aux18.config"
|
|
and "ciao18.config".
|
|
|
|
Updated config file for Amzi! Prolog 6.2.2.
|
|
|
|
New example of using some of the built-in database handling methods
|
|
(dynpred).
|
|
|
|
Syntax configuration files for jEdit 4.0, VIM 6.1, NEdit 5.2, and
|
|
TextPad 4.5 text editors providing syntax highlighting for editing
|
|
Logtalk source files.
|
|
|
|
|
|
2.11.0 - April 22, 2002
|
|
|
|
Added a "smart compilation" feature to the Logtalk compiler, controlled
|
|
by a "smart_compilation" flag. Only available in Prolog compilers that
|
|
provide access to file modification dates.
|
|
|
|
Added a "startup_message" flag to control printing of the Logtalk banner
|
|
at startup.
|
|
|
|
Reworked Logtalk pre-processor compilation and loading reports. Compiler
|
|
option "report" now togles between normal reporting (as specified by the
|
|
other flags) and silent compilation/loading of source files.
|
|
|
|
|
|
2.10.0 - April 5, 2002
|
|
|
|
Scope of object asserted predicates for which there is no declaration is
|
|
now a function of the context instead of always being declared public.
|
|
Asserting in this, the predicate is declared private, asserting in self,
|
|
the predicate is declared protected, otherwise the predicate is declared
|
|
public.
|
|
|
|
Throw an error if a category contains clauses for dynamic predicates.
|
|
|
|
Updated documentation on categories and built-in methods for database
|
|
handling.
|
|
|
|
Retracting all clauses for a dynamic predicate from an object now allows
|
|
an inherited definition to be called when sending the corresponding
|
|
message. In previous versions the message just failed.
|
|
|
|
Added missing entries for the built-in predicates current_logtalk_flag/2
|
|
and set_logtalk_flag/2 to the Logtalk compiler built-in predicates table.
|
|
|
|
Updated config file for Amzi! Prolog 6.1.74.
|
|
|
|
Updated notes on patching XSB to work with Logtalk.
|
|
|
|
|
|
2.9.3 - February 9, 2002
|
|
|
|
New current_logtalk_flag/2 and set_logtalk_flag/2 built-in predicates.
|
|
|
|
Updated documentation on new built-in predicates.
|
|
|
|
Renamed SWI-Prolog config file swi330.config to swi.config.
|
|
|
|
Renamed config file predicate lgt_default_compiler_option/2 to lgt_flag/2.
|
|
|
|
New XSL stylesheets and shell scripts to convert Logtalk XML entity
|
|
documenting files to PDF format using XSL Formating Objects.
|
|
|
|
|
|
2.9.2 - January 4, 2002
|
|
|
|
The Logtalk compiler can now print a warning when compiling source files
|
|
that use non-ISO defined built-in predicates using a new portability/1
|
|
compiler option. Updated the relevant sections of the user manual and the
|
|
errors example.
|
|
|
|
Corrected a compiler bug where the entity relation tables only recorded
|
|
the last entry per entity relation type.
|
|
|
|
Updated config file for CIAO 1.7#162.
|
|
|
|
|
|
2.9.1 - December 5, 2001
|
|
|
|
Logtalk compiler now prints a warning when redefining or replacing an
|
|
existing entity.
|
|
|
|
Corrected a compiler bug in the error checking code for the info/1
|
|
and info/2 directives.
|
|
|
|
Changed the order of object loading in the "mi" example to avoid
|
|
suporious warning messages.
|
|
|
|
Added a new problem ("bridge") to the "searching" example. Improved
|
|
"performance" monitor to give correct reports on alternative solutions.
|
|
Corrected a bug in the "water jug" state space example.
|
|
|
|
|
|
2.9.0 - October 22, 2001
|
|
|
|
Added config files for CIAO Prolog 1.7p115 and B-Prolog 6.0.
|
|
|
|
Compiling and loading an entity that contains references to unknown
|
|
entities (by default) prints a warning. Updated user and reference
|
|
manuals.
|
|
|
|
Rewrited all the compiler warning/error code and output messages.
|
|
|
|
Changed compiled code functors postfixes from "_sdcl" and "_sdef" to
|
|
"_idcl" and "_idef" (implies recompilation of all objects, protocols,
|
|
and categories).
|
|
|
|
Changed all occurrences and references to the term "entity_scope" to
|
|
"scope".
|
|
|
|
Removed some redundant productions from the Logtalk grammar.
|
|
|
|
Updated documentation on the xml directory. Renamed some of the .xsl
|
|
files. Added sample scripts to batch convert .xml files to .html files.
|
|
|
|
Added a new loader utility file, all.loader, to load all library files
|
|
loaded by the other loader files.
|
|
|
|
Started work on documenting the Logtalk pre-processor/compiler source
|
|
file.
|
|
|
|
New "errors" example. Updated the "inheritance" example.
|
|
|
|
|
|
2.8.4 - March 9, 2001
|
|
|
|
Updated config files for BinProlog 8.0, K-Prolog 5.01, XSB 2.3, and
|
|
Amzi! Prolog 4.103~5.0.
|
|
|
|
New config file for Amzi! Prolog 6.1 beta.
|
|
|
|
Corrected an incomplete entity definition in the Logtalk XML DTD.
|
|
Rewrite the Logtalk XSLT files for improved compatibility with XSLT
|
|
processors regarding handling of whitespace.
|
|
|
|
A first cut of a XML Schema for the Logtalk XML documentation files
|
|
(file xml/logtalk.xsd).
|
|
|
|
Small improvements to the documentation.
|
|
|
|
|
|
2.8.3 - November 21, 2000
|
|
|
|
Corrected a bug where sending a message for a built-in method to an
|
|
unknown object fails instead of generating the expected exception.
|
|
|
|
Put some ocorrences of atoms public, mode, and type between ()'s to
|
|
avoid compilation errors in BinProlog 8.0 and other Prolog compilers
|
|
that declare these atoms as operators.
|
|
|
|
Corrected the definition of the state space of the "Missionaires and
|
|
Cannibals" problem in the "searching" example that resulted in some
|
|
wrong solutions.
|
|
|
|
|
|
2.8.2 - November 5, 2000
|
|
|
|
New .xsl file to convert .xml files to TeXML files.
|
|
|
|
Fixed a problem with explicit compilation options being correctly parsed
|
|
but not processed.
|
|
|
|
Corrected a bug regarding default init options definition for the
|
|
points, polygons, and bricks examples. Updated category initialization
|
|
in roots example.
|
|
|
|
|
|
2.8.1 - October 28, 2000
|
|
|
|
New config file for K-Prolog 5.0.
|
|
|
|
Improved compiler error detection and reporting of invalid directives
|
|
and clauses.
|
|
|
|
Corrected a problem with some Prolog compilers where compiling a file
|
|
containing syntax errors may not close the file after the errors are
|
|
reported.
|
|
|
|
Many small improvements to all documentation.
|
|
|
|
Small improvements to the .xsl files and to the output of .xml files.
|
|
|
|
|
|
2.8.0 - October 1, 2000
|
|
|
|
I have found just a few days ago that I have uploaded to the Logtalk web
|
|
server a development version of Logtalk 2.7.0 instead of the final one!
|
|
To avoid confusions I decided to release a new version.
|
|
|
|
Changed implementation of the logtalk_compile/1-2 and logtalk_load/1-2
|
|
predicates to only accept a list of entities instead of either an entity
|
|
or a list of entities, simplifying and improving the performance of these
|
|
predicates. Improved error reporting for the logtalk_compile/1 and
|
|
logtalk_load/1 predicates. Updated relevant sessions in the user and
|
|
reference manuals.
|
|
|
|
Simplified the implementation of the following predicates, by sharing
|
|
the error checking code with the corresponding extended versions:
|
|
implements_protocol/2, imports_category/2, instantiates_class/2,
|
|
specializes_class/2, extends_protocol/2, and extends_object/2.
|
|
|
|
Completed some missing library file dependencies documentation in some
|
|
examples.
|
|
|
|
New version of the QUICK_START help file. Updated tutorial.
|
|
|
|
|
|
2.7.0 - August 24, 2000
|
|
|
|
First release of the Logtalk standard library of objects, protocols and
|
|
categories.
|
|
|
|
Rewritten all examples to use the new Logtalk standard library.
|
|
|
|
New logtalk_load/2 and logtalk_compile/2 Logtalk built-in predicates,
|
|
accepting a list of compiler options. See the User and Reference Manuals
|
|
for details.
|
|
|
|
New XSLT file for viewing .xml files in Microsoft Internet Explorer 5.5
|
|
for Windows after installing the latest Microsoft XML Parser Preview
|
|
Release. Small improvements in all XSLT files.
|
|
|
|
Starting with this version all config files need to provide a definition
|
|
for the compare/3 predicate if it is not built-in in the corresponding
|
|
Prolog compiler. Also, default Logtalk compiler options are now also set
|
|
in the config files using the lgt_default_compiler_option/2 predicate.
|
|
|
|
Updated config file for CIAO 1.6p1. See the configs/NOTES file for
|
|
details.
|
|
|
|
|
|
2.6.2 - July 4, 2000
|
|
|
|
Improved performance and error checking for the built-in predicates
|
|
create_object/4, create_protocol/3 and create_category/4.
|
|
|
|
Updated config file for BinProlog 7.83.
|
|
|
|
Many small updates to all documentation.
|
|
|
|
New PDF versions of the documentation formated for printing (with page
|
|
numbers, table of contents and index)are now available in both A4 and
|
|
US letter formats.
|
|
|
|
|
|
2.6.1 - May 5, 2000
|
|
|
|
Modified the structure of the automatically generated XML documenting
|
|
files to improve XSL translation performance. Added a new, more standard
|
|
compliant, XSL file to generate HTML files and renamed the old one to
|
|
ie5.xsl. See the xml/NOTES file for details. Corrected an error in the
|
|
logtalk.css CSS file.
|
|
|
|
Modified the definitions of predicates lgt_file_extension/2 and
|
|
lgt_file_name/2 in all config files.
|
|
|
|
Updated all the user manual sessions related to automatic documentation.
|
|
|
|
Updated all HTML documentation for future XHTML 1.0 conformance.
|
|
|
|
Start adding documenting directives to most examples.
|
|
|
|
|
|
2.6.0 - April 27, 2000
|
|
|
|
Added support for documentation of objects, protocols, and categories,
|
|
using automatic generation of XML files.
|
|
|
|
Added info/1 and info/2 directives for documenting objects, protocols,
|
|
categories, and predicates. Added definition of documentation file name
|
|
extension and default file names for the DTD and XSL files to the config
|
|
files.
|
|
|
|
Improved error checking for the built-in predicates create_object/4,
|
|
create_protocol/3 and create_category/4 to also detect invalid entity
|
|
identifiers.
|
|
|
|
Updated the user and reference manuals to describe the new automatic
|
|
documenting features.
|
|
|
|
Updated all HTML documentation to conform to HTML 4.01 strict standard.
|
|
|
|
Corrected some wrong cross-reference links and titles in the reference
|
|
and user manuals HTML pages.
|
|
|
|
PDF versions of the manuals and tutorial are now available in both A4
|
|
and US letter formats.
|
|
|
|
Corrected two errors in the searching example, one in the definition of
|
|
the farmer problem state space and the other when backtracking over
|
|
performance reports.
|
|
|
|
|
|
2.5.2 - March 7, 2000
|
|
|
|
Updated manuals to clarify some limitations of declaring and defining
|
|
dynamic predicates inside categories and documented a way of using the
|
|
built-in local method this/1 to access object parameters.
|
|
|
|
Removed references to parametric categories from the Logtalk
|
|
documentation (at runtime we can only access object parameters,
|
|
not category parameters).
|
|
|
|
Corrected two wrong declarations of built-in methods (forall/2 and
|
|
retractall/1) in the Logtalk pre-processor.
|
|
|
|
Corrected bug where predicates declared in dynamic entities may have
|
|
a "static" instead of a "dynamic" property.
|
|
|
|
Corrected a bug in category compilation that prevented a dynamic category
|
|
from being abolished. Speedup predicate definition lookups for categories.
|
|
|
|
|
|
2.5.1 - February 18, 2000
|
|
|
|
Two new examples: birds, a bird identification expert system adopted
|
|
(with permission) from an Amzi example, and viewpoints, a set of
|
|
prototypes showing how to do property sharing and value sharing in
|
|
Logtalk.
|
|
|
|
Renamed config file yap421.config to yap430.config to match the name of
|
|
the new YAP 4.3.0 public release (named 4.2.1 while on beta testing).
|
|
|
|
Partial config file for Trinc Prolog R3.
|
|
|
|
|
|
2.5.0 - December 29, 1999
|
|
|
|
The Logtalk pre-processor now accepts arbitrary clauses and directives
|
|
to appear in a file before an opening entity directive. The clauses and
|
|
directives are added unchanged to the compiled file.
|
|
|
|
Improved performance for all kinds of message sending.
|
|
|
|
Two new examples: reflection, showing how to implement a simple
|
|
class-based reflective system, and symdiff, showing how to use
|
|
parametric objects to implement symbolic expression differentiation
|
|
and simplification.
|
|
|
|
Updated config file for the beta 8 release of SWI-Prolog 3.3.0.
|
|
|
|
|
|
2.4.0 - December 1, 1999
|
|
|
|
Logtalk is now an Open Source project, available under Perl's Artistic
|
|
license.
|
|
|
|
Two new examples: instmethods, ilustrating the use of instance defined
|
|
methods, and classvars, showing how to implement class variables.
|
|
|
|
Updated Logtalk grammar to explicitly allow for user-defined types
|
|
in mode/2 directives.
|
|
|
|
New config files for SWI-Prolog 3.3.0, SICStus Prolog 3.8 and CIAO
|
|
Prolog 1.4p0 (incomplete).
|
|
|
|
Updated config file for B-Prolog 4.0.
|
|
|
|
Updated config file for GNU Prolog to use the new call_with_args()
|
|
built-in predicate added in version 1.1.0.
|
|
|
|
Updated config file for YAP Prolog to use the new call_with_args()
|
|
built-in predicate added in version 4.2.1.
|
|
|
|
|
|
2.3.1 - September 22, 1999
|
|
|
|
Logtalk pre-processor updated to only report one warning per redefined
|
|
Logtalk or Prolog built-in predicate.
|
|
|
|
Changed some occurrences of atom "public" to "(public)" in
|
|
compiler/logtalk.pl file to avoid syntax errors in Prolog compilers
|
|
(like BinProlog) that define "public" as an operator. Also put some
|
|
terms between ()'s to avoid syntax errors with ALS Prolog 3.1
|
|
|
|
Update config file for ALS Prolog to work with version 3.1.
|
|
|
|
Updated configs/NOTES file include a workaround to use Logtalk with
|
|
XSB 2.0, some guidelines on how to write loader utility files for
|
|
BinProlog 7.50, and a bug in ALS Prolog 3.1 that affects Logtalk.
|
|
|
|
|
|
2.3.0 - September 12, 1999
|
|
|
|
Metapredicate information is now stored with the other predicate
|
|
properties, instead of being discarded after compiling the clauses of
|
|
a metapredicate. Added predicate property metapredicate/1. It is now
|
|
possible to assert clauses for dynamic metapredicates.
|
|
|
|
Corrected a bug in the processing of metacalls in pseudo-object user.
|
|
|
|
Corrected a bug in the implementation of private inheritance.
|
|
Improved performance of protected inheritance.
|
|
|
|
Corrected failure of processing initialization/1 and op/3 directives in
|
|
create_object/4, create_category/4 and create_protocol/3 built-in
|
|
predicates.
|
|
|
|
Corrected a bug when calling private static category predicates from
|
|
importing objects. Simplified code generated for categories.
|
|
|
|
Rewrite code for the built-in method current_predicate/1 to avoid
|
|
duplicated or wrong results when overriding predicate declarations
|
|
and to ensure that all possible argument type errors are detected.
|
|
|
|
Changed compilation of classes that do not instantiate any (meta)class
|
|
in order to throw the correct exception when a message is sent to them.
|
|
|
|
Changed compilation of root objects (that do not instantiate, specialize
|
|
or extend other objects) so that calls to "super" (^^/1) fail (as they
|
|
should) instead of generating a "predicate does not exist" error message.
|
|
|
|
Changed implementation of "super" calls (^^/1) to avoid a potential
|
|
endless loop problem when using these calls from the inheritance root
|
|
object of a reflexive class-based systems.
|
|
|
|
Pre-processor now checks for callable and object identifier errors.
|
|
Runtime now checks for non-instantiated messages.
|
|
|
|
Added new example (inheritance) about public, protected and private
|
|
inheritance.
|
|
|
|
Updated metapredicates, lo, kernel, and types examples. Most of the
|
|
code in the last two examples is being updated to form the basis of an
|
|
upcoming Logtalk standard library.
|
|
|
|
Small changes in the pre-processor/runtime code for compatibility with
|
|
ECLiPSe 4.2.2. Updated config files for this Prolog compiler.
|
|
|
|
Rewrite some predicates in the config files for SWI-Prolog and LPA
|
|
Mac & WIN Prologs for improved performance.
|
|
|
|
New tutorial session about events and monitors.
|
|
|
|
Updated documentation to match the changes made in this version.
|
|
|
|
|
|
2.2.0 - July 10, 1999
|
|
|
|
Implemented public, protected and private object inheritance, protocol
|
|
implementation and category importation.
|
|
|
|
New Logtalk built-in predicates instantiates_class/3, extends_object/3,
|
|
extends_protocol/3, specializes_class/3, imports_category/3 and
|
|
implements_protocol/3. The third argument returns the relation scope.
|
|
|
|
Pre-processor now checks most directive errors.
|
|
|
|
Changed ^^/1 (super call) implementation to only allow the use of a
|
|
single predicate call for argument and to retain the original sender
|
|
of the message (see the updated sicstus example).
|
|
|
|
Fixed bug that prevented directives with a variable number of arguments
|
|
(like dynamic(), public(), uses(), ...) being recognized.
|
|
|
|
Changed definition of predicate read_term/3 in the configs files of Amzi!,
|
|
Aquarius, Arity, Eclipse, IC, K, LPA Mac&WIN, Master and XSB to always
|
|
instantiates the singleton variables list to the empty list. Needed to
|
|
prevent backtracking problems in logtalk_load/1 and logtalk_compile/1
|
|
predicates.
|
|
|
|
Removed choice-point in processing metacalls in predicate definitions.
|
|
|
|
A banner with the Logtalk version is printed after loading the runtime/
|
|
pre-processor.
|
|
|
|
Removed variables example. The category attributes is now part of the
|
|
kernel example. Corrected some warmless syntax errors in directives in
|
|
kernel/attributes.lgt, kernel/monitor.lgt and miscellaneous/queens.lgt.
|
|
|
|
Changed name of blocks example to bricks and object "block" to "brick"
|
|
in order to avoid problems with some Prolog compilers that use the atom
|
|
"block" for operators or built-in predicates.
|
|
|
|
|
|
2.1.0 - May 11, 1999
|
|
|
|
Fixed some bugs in the definition of the pseudo-object user when sending
|
|
the message predicate_property/2.
|
|
|
|
Renamed config file for Calypso to GNU Prolog.
|
|
|
|
New config file for LPA WinProlog 4.0.
|
|
|
|
Corrected the omission in the documentation of the Logtalk grammar of the
|
|
built_in entity property.
|
|
|
|
New tutorial pages about building reflective class-based systems.
|
|
|
|
Modified pre-processor to compile throw/1 as a control structure to
|
|
ensure compatibility with the GNU-Prolog compiler.
|
|
|
|
Modified pre-processor to ensure compatibility with Prolog compilers that
|
|
use immediate update semantics instead of the ISO logical database update.
|
|
|
|
Improved simplification of compiled object and category clauses.
|
|
|
|
Rewrite and clean up pre-processor code for better compiler performance.
|
|
|
|
Several updates to the examples files.
|
|
|
|
Changed all example loader files to wrap the call to logtalk_load/1 inside
|
|
an initialization/1 directive for ISO standard compliance.
|
|
|
|
|
|
2.0 GM - February 9, 1999
|
|
|
|
Removed some redundant choice-points that are being created when
|
|
compiling Logtalk entities.
|
|
|
|
Small compilation speed optimizations.
|
|
|
|
Logtalk compiled files now contain the declarations for the message
|
|
sending operators to ensure compatibility with some Prolog compilers.
|
|
|
|
Changed the way Logtalk pre-processor writes directives to ensure
|
|
compatibility with some Prolog compilers. Corrected a bug in the
|
|
processing of the op/3 directive.
|
|
|
|
Updated PrologII+ config file for version 4.5.
|
|
|
|
Changed the definitions of catch/3 and throw/1 in the config files for
|
|
LPA Prolog compilers.
|
|
|
|
New config file for MasterProlog 4.1; removed config file for the
|
|
old BIM Prolog 4.0.
|
|
|
|
Corrected an error in the config file for OpenProlog in the definiton
|
|
of the write_term/3 predicate.
|
|
|
|
Added a safer definition for write_term/3 predicate in the config
|
|
files for Amzi, Aquarius, Arity, Eclipse, IC, K, LPA Mac, LPA Win,
|
|
and XSB Prolog compilers.
|
|
|
|
Added a QUICK_START file.
|
|
|
|
|
|
2.0 Beta 3 - February 1, 1999
|
|
|
|
Closed some encapsulation holes in the implementation of super calls.
|
|
|
|
Changed Logtalk pre-processor to use write_term/3 instead of write/2 and
|
|
writeq/2 to workaround some compatibility problems with some Prolog
|
|
compilers.
|
|
|
|
Changed mode operators priority and type to be compatible with the ISO
|
|
standard.
|
|
|
|
Modified definition of predicate read_term/3 in the config file for Amzi
|
|
compiler to return the atom end_of_file instead of '!EOF' at the end of
|
|
a file (this prevented Logtalk to complete compilation any file under
|
|
this compiler). Improved detection of built-in predicates while compiling.
|
|
|
|
Removed config file for wamcc. This compiler have been replaced by
|
|
Calypso (developed by the same author).
|
|
|
|
Updated K-Prolog config file for version 4.50.
|
|
|
|
Improved documentation of template config file.
|
|
|
|
Added SCRIPT files to the kernel and types examples.
|
|
|
|
Updated Tutorial and User and Reference Manuals.
|
|
|
|
New end user license.
|
|
|
|
|
|
2.0 Beta 2 - November 16, 1998
|
|
|
|
Built-ins logtalk_compile/1 and logtalk_load/1 updated to match
|
|
the documentation regarding thrown errors and to accept a list of
|
|
entities to compile/load.
|
|
|
|
Modified the examples loader utility files to make only a call to
|
|
logtalk_load/1 by using a list of entities. This should make it easy to
|
|
modify these files for compilers that don't support arbritrary queries
|
|
in a file.
|
|
|
|
Logtalk runtime no longer tries to catch some of the errors thrown
|
|
by ::/2.
|
|
|
|
Added to all config files a Logtalk predicate to check if a file
|
|
exists in the current working directory (used by the logtalk_load/1
|
|
and logtalk_compile/1 Logtalk built-in predicates).
|
|
|
|
New configs files for the K-Prolog 4.14 and Calypso 1.0b6 Prolog
|
|
compilers.
|
|
|
|
Completed the config file for Open Prolog 1.03d38 (with the exception
|
|
of lgt_current_date/3 that still have a dummy definition).
|
|
|
|
Added a missing definition for Logtalk predicate forall/2 to the config
|
|
file for Prolog II+ 4.4.
|
|
|
|
Modified Logtalk pre-processor/runtime to avoid syntax errors when
|
|
running on Open Prolog or Calypso and to remove some redundant
|
|
choice-points that are being created when compiling categories and
|
|
protocols.
|
|
|
|
Modified some examples that use operators to avoid syntax errors in
|
|
some Prolog compilers.
|
|
|
|
Modified the implementation of the built-in method
|
|
predicate_property/2 to avoid duplicate answers and to throw an
|
|
instantiation error if the first argument is not bound.
|
|
|
|
Modified definition of the pseudo-object user to hide Logtalk pre-
|
|
processor predicates from the current_predicate/1 built-in method and
|
|
to ensure that the predicate_property/2 built-in method returns
|
|
Logtalk defined predicate properties for built-in Logtalk and Prolog
|
|
predicates.
|
|
|
|
Modified Prolog code generated by the pre-processor to further minimize
|
|
possible conflicts with user defined predicates.
|
|
|
|
Added a lgt_predicate_property/2 predicate to the config files to
|
|
improve Logtalk portability.
|
|
|
|
Updated Tutorial and User and Reference Manuals.
|
|
|
|
|
|
2.0 Beta 1 - October 18, 1998
|
|
|
|
Added basic support for implementation multi-inheritance.
|
|
|
|
Logtalk pre-processor updated to try to detect misspelt local
|
|
predicate calls.
|
|
|
|
First public beta.
|
|
|
|
|
|
2.0 Alpha 1 - July, 1998
|
|
|
|
First release for registered users.
|