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cddde72b73
Estimated hours taken: 0.5 Remove the `--convert-to-goedel' option. It doesn't really work and it's a hassle to maintain. Remove the `--generate-prolog' and `--prolog-dialect' options. They aren't implemented, and now that we have a proper debugger they probably never will be. compiler/mercury_to_goedel.m: Removed. compiler/notes/compiler_design.html: Remove mercury_to_goedel.m. compiler/globals.m: compiler/handle_options.m: Remove code dealing with Prolog dialects. compiler/options.m: doc/user_guide.texi: Remove the options. compiler/prog_io.m: Delete a comment referring to Mercury-to-Goedel converters. compiler/mercury_compile.m: Don't call convert_to_goedel. NEWS: Document the removal of the `--convert-to-goedel' option. WORK_IN_PROGRESS: Remove a reference to the `--generate-prolog' option.
77 lines
2.9 KiB
Plaintext
77 lines
2.9 KiB
Plaintext
Work in progress
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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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* There is a `--target il' option, which generates MSIL code
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for Microsoft's new .NET common language runtime.
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See <http://www.cs.mu.oz.au/mercury/dotnet.html> and/or
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<http://www.cs.mu.oz.au/mercury/information/dotnet/mercury_and_dotnet.html>.
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* There is a `--target asm' 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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* Thread-safe engine.
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* Independent AND-parallelism.
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* 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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* 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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* There is a new garbage collector that does accurate garbage
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collection (.agc grade). It is currently limited to deterministic
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code, and needs a great deal of tuning and optimization. It also
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needs testing.
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* Mercury is now the official programming language for Melbourne Uni's
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"Aditi" deductive database system. The Mercury compiler includes
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support for interfacing to Aditi. However Aditi itself is not yet
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complete and has not yet been made publicly available.
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(The Aditi support is documented in doc/reference_manual.texi,
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but for now that documentation is commented out -- it's not
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included in the formatted versions of the reference manual,
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only in the TexInfo source code.)
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* Converting procedures to tail-recursive form via automatic
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accumulator introduction (--introduce-accumulators).
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* The Mercury debugger (mdb) now includes some support for declarative
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debugging.
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* 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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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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* A bytecode interpreter, for use with the `--generate-bytecode' option.
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* A `--target java' option, which generates Java.
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* Support for aliasing in the mode system.
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* 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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* Sequence quantification (see the description in
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http://www.cs.mu.oz.au/research/mercury/information/reports/minutes_15_12_00.html).
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* A SOAP interface.
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* A QuickCheck-style module for software testing.
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* Improvements to the debugger's pretty-printer.
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