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Estimated hours taken: 0.5 Branches: main Make the "work in progress" file appear on the web site. compiler/notes/work_in_progress.html: compiler/notes/Mmakefile: Add a a htmlized version of WORK_IN_PROGRESS. WORK_IN_PROGRESS: Removed. Mmakefile: Generate WORK_IN_PROGRESS and TODO from the files in compiler/notes. w3/information/include/developer.inc: Add the "work in progress" file to the developer documentation.
117 lines
3.9 KiB
HTML
117 lines
3.9 KiB
HTML
<html>
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<head>
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<title>
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Work In Progress
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</title>
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</head>
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<body bgcolor="#ffffff" text="#000000">
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<hr>
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<!---------------------------------------------------------------------------->
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The compiler contains some code for the following features,
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which are not yet completed, but which we hope to complete
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at some time in the future:
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<p>
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<ul>
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<li> There is a
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<a href="http://www.cs.mu.oz.au/mercury/dotnet.html">`--target il'</a>
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option, which generates MSIL code for Microsoft's new
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<a href="http://msdn.microsoft.com/net/">.NET Common Language Runtime</a>.
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<li> There is a
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<a href=http://www.cs.mu.oz.au/mercury/download/gcc-backend.html>`--target asm'</a>
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option, which generates assembler by
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interfacing directly with the GCC back-end, rather than going via C.
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<li> There is a `--target java' option, which generates Java.
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<li> Thread-safe engine (the `.par' grades).
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<li> Independent AND-parallelism (the `&' parallel conjunction operator).
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<li> We have added support for dynamic link libraries (DLLs) on Windows.
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This is not yet enabled by default because it has not yet been tested
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properly.
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<li> There is a new `--optimize-constructor-last-call' option
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which identifies opportunities for LCO where a call
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is followed only by some constructor invocations.
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However, these opportunities are not exploited yet.
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<li> There is a new garbage collector that does accurate garbage
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collection (hlc.agc grade). See the comments in
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compiler/ml_elim_nested.m and the paper on our web page for more details.
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<li> Mercury is now the official programming language for Melbourne University's
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<a href="http://www.cs.mu.oz.au/aditi">Aditi deductive database system</a>.
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The Mercury compiler includes incomplete support for interfacing to Aditi.
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In particular, the support for executing ordinary Mercury code within
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Aditi queries is currently poor.
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<li> The Mercury debugger (mdb) now includes support for declarative
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debugging. There are still some limitations to be dealt with, and
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some improvements are yet to be made. See the
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<a href="http://www.cs.mu.oz.au/mercury/information/doc-latest/user_guide_toc.html">Mercury User's Guide</a>
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for further details.
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<li> There is a `--generate-bytecode' option, for a new back-end
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that generates bytecode. The bytecode generator is basically
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complete, but we don't have a bytecode interpreter.
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</ul>
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<p>
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We also have some code that goes at least some part of the way towards
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implementing the features below. However, for these features, the
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code has not yet been committed and thus is not part of the standard
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distribution.
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<p>
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<ul>
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<li> A new implementation of the mode system using constraints.
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This is on the "mode-constraints" branch of our CVS repository.
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<li> Support for aliasing in the mode system.
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This is on the "alias" branch of our CVS repository.
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<li> Support for automatic structure reuse (reusing old data
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structures that are no longer live, rather than allocating
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new memory on the heap) and compile time garbage collection
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This is on the "reuse" branch of our CVS repository.
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<li> Better support for inter-module analysis and optimization.
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</ul>
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<hr>
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<!-------------------------->
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<h2>
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Work Not In Progress
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</h2>
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The compiler also contains some code for the following features,
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but work on them has stopped, since finishing them off would be
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quite a bit more work, and our current priorities lie elsewhere.
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Still, these could make interesting and worthwhile projects
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if someone has the time for it.
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<p>
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<ul>
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<li> A SOAP interface.
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<li> A bytecode interpreter, for use with the `--generate-bytecode' option.
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<li> Sequence quantification (see the
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<a href="http://www.cs.mu.oz.au/research/mercury/information/reports/minutes_15_12_00.html">description</a> from the meeting minutes).
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</ul>
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</html>
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<hr>
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<!-------------------------->
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Last update was $Date: 2002-10-23 06:30:07 $ by $Author: stayl $@cs.mu.oz.au. <br>
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</body>
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</html>
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