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complexity to explode and cause the compiler to become very slow (solved it by removing type-inference from tuples).
- Also removed type-inference from functions/lambdas.
- Added a small optimization to improve the efficiency of type-checking by not doing a thorough type-check when a global or local binding has a type variant with the same cases as Type, and it's exo-type is also like this (hopefully, it will never happen that someone will exploit this to make the compiler do something weird...)
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destructuring can be done at do).
- Patterns are no longer put inside a MatchAC structure, but are instead just moved around as lists.
- Code outside of &type can no longer create/delete type-vars directly, but must now rely on with-var & with-vars to manage the life-cycle of type-vars.
- Simplified pattern-matching analysis at lux/analyser/case.
- The LEFT_APP optimization in check* has been replicated on the other side as RIGHT_APP, to attempt to improve performance of pattern-matching.
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- Fixed a few bugs with types and pattern-matching.
- Fixed a bug wherein primitive-analysis did now unify the primitive type with the exotype.
- Modified lambda-analysis so functions subject to universal quantification can manage better the universally-quantified variables.
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- Variants now need types to be specified both when constructing them as when deconstructing them (in pattern-matching).
- Simplified DataT types by no-longer requiring a list of params, so only the tame name is necessary.
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- Added more cases for totality checking in pattern-matching.
- Fixed a bug when type-checking function application that used the exo-type for both the function being applied as to the application itself.
- Fixed a few minor bugs scattered around that had to do with wrong number of arguments being passed to functions.
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- :let within |do now uses |let instead of let.
- The analyser now does totality analysis and structures the pattern matching, with the compiler only compiling the generated structures.
- Local bindings with case' can now be prefixed arbitrarily. (Note: must do the same with functions).
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compiler code).
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module, instead of the local module. (e.g. ;map, #;Cons, ;All)
- The type-checker now takes into account 2 types: an exo-type (imposed by outside forces) and an endo-type (generated through inference)
- Fixed a few bugs in the analyser and the type-system.
- &type/solve* is now the actual type-checker and &type/solve invokes solve* with an empty fixpoint environment.
- The exo-type of Statements is Nothing.
- variants, tuples and def' are being analyzed properly now.
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- Removed exec, get@' & set@' special forms, as they are not primitive enough as to be part of the language.
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lexer nodes & parser nodes.
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between raw source-code and the lexing-phase.
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- System works correctly once more.
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- Corrected more bugs in the system.
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- Changed indents to symbols.
- Corrected some of the bugs in the system. Many more still awaiting fixes.
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- Compiler-state is now using Lux record-format.
- Went from Error+Ok to Left+Right.
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- Finishing implementing the type-system.
- Migrating more of the data-structures used in the compiler to the ones used by Lux itself.
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format as lux data-structures, to ease communication between the compiler & macros.
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- Made a small change in float & double comparisons to make sure NaN < n.
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- The lexer now allows "-" in front of numbers to get negative numbers.
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- Fixed a bug when compiling lambda instantiation (the bug had to do with compiling the env variables passed to the closure).
- Fixed a bug in the lexer wherein the backquote (`) wasn't being recognized.
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now "jvm-" instead of "jvm;"
- Fixed the bug where the same local vars/registers were getting registered more than once and the class-verifier complained.
- Fixed a bug where the "end label" for pattern-matching bodies was never inserted.
- Simplified the analyser by removing "self" calls and having self be just a local for the "this" object (register 0).
- Removed the lambda-folding optimization.
- The compiler state now holds and environment for naming globally-scoped lambdas.
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of using custom classes for that.
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function self-calls are broken).
Also fixed several small bugs, including the one that caused ".apply" to never make progress (always returned a function with count 0).
Also fixed an issue with scopes that caused class-names to be generated improperly.
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- For some reason, when I fail at compilation due to mistaken use of tags/variants, I don't get the right error reported.
[Fixes]
- Solved a problem where stack values weren't being properly cleaned-up when pattern-matching on variants and branch bodies.
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- Simplified the code for handling definitions and macros.
- Slightly changed the names of the fields of tuple classes.
- Added a (currently empty) optimization phase.
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Codebase still needs to be simplified further, though.
Also, an explicit optimization phase, between analysis and compilation, must be established.
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- The monadic implementation of macros is almost done.
- Missing error-handling.
[Fixes]
- The output folder is now generated on each compiler run to avoid exceptions thrown by the class-loader.
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- Fixed the errors in the compiler due to its restructuring as monadic code.
- Fixed a bug in the analyser where 'case' forms has "Nothing" as their type.
[Refactor]
- Now there only one way to raise/fold lambda-bodies.
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- The analyser trying to match function calls first was messing around with variant construction.
[Working on]
- Monadic macros.
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- Huge refactoring of the lux/compiler ns.
- No more difference between compiling global lambda definitions vs regular lambdas.
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- Almost finished rebuilding lambda syntax so it always has local names and only takes 1 argument.
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[Enhancements]
- Restructured the lexer a bit.
- Restructured the parser a lot.
- Changed the syntax a bit.
- Module-names are now separated from def-names by a colon (e.g. module/submodule:var)
- i+ -> iadd, i- -> isub, i* -> imul, i/ -> idiv
- Added a (incomplete) way to annotate defs. Currently, only serves to mark defs as macros.
- Removed "import" and "use". "require" is meant to be the way to load modules.
- Did some major refactoring, cleaning and upgrading in the analyser. Though there is still some work pending.
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- Removed the issue that was causing the compiler to never display the true source of errors.
[Enhancements]
- Separated the prelude (lux.lux) and utils (util.lux) from the code at test2.lux
- The compiler now handles module-separation a bit better
[Cleanup]
- Removed the unnecessary another.lux
[Temporary]
- The base classes/interfaces are now assumed to be in the "lux" module, but they must be moved to "lux/host"
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Source code is looked-up inside a "source" directory.
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