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type-functions which are most-likely the same, due to their name (remembering that when you define types using deftype, the type-function's name will correspond to the def's).
- Gave empty environments to top-level type-functions, instead of leaving them with unset environments.
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- Temporarily reverted back to forward apply-analysis.
- Fixed an error in lux.base/show-ast.
- Reader now only returns a tuple instead of a full-blown #Meta variant.
- Reader now doesn't cut the strings that it reads. Instead, the "cursor" just moves around, indicating where to read.
- Inlined some calculations that previously relied on try-all%.
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better from the tags of the Type type.
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host's.
- Made a few optimizations to speed-up the now slowed-down compiler.
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same purpose.
- Optimized some code a bit.
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- Also removed several unused definitions.
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- Made some changes to the way type-checking is performed on variants, records & tuples in order to improve the speed of type-checking.
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- Implemented "using".
- Implemented jvm-program.
- Corrected some primitive (un)wrapping errors in lux.compiler.host.
- jvm-program is now scoped to enable local variables.
- The types of definitions are now stored within the module dictionary.
- Added a "main" method that just compiles program.lux.
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- Fixed a few bugs both in lux.lux & the compiler.
- Added exports to the language.
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- | and & now normalize their slot-names.
- Added several implementations of Eq, Ord & Show.
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- Added a version of ` that prefixes unprefixed idents with the current module's name.
- The special forms no longer require unprefixed symbols and work with anything (in order to work properly with the new `).
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- Added 2 custom pattern-matchers (\ & \or) & gensym
- Added signatures & structures ^_^
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- Finally, the "case" macro has been implemented ^_^
- The macro-expand function is also alive!
- Corrected the field-access special forms so they take their field as a symbol instead of text.
- Macros are no longer stored inside the CompilerState as (Maybe Macro), but as Macro.
- Void is implemented as
- Fixed an error when parsing escaped characters in text.
- Fixed an error in the reader in which parsing regex2 gave back a 2-vector instead of a 2-tuple.
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- WORKING ON DEBUGGING A COMPILER ERROR: java.lang.IncompatibleClassChangeError
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still there. Must find & squash).
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- Removed the (now useless) lux.type/is-Type? function.
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- Compilation units are not longer wrapped inside Expression/Statement variants.
- analyse-apply* no longer returns lists.
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- Macro declarations are now handled at the compiler-phase instead of the analyser phase to avoid the posibility of trying to declare a yet-uncompiled macro (due to the macro-expansion of defmacro).
- Added a makeshift implementation of existential types on top of BoundT (must migrate to a more permanent implementation).
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- Method-invocation special forms now take the wanted method as an unprefixed symbol, instead of as text.
- Some fixes in lux.analyser.host.
- Lambda analysis now just returns the origin exo-type instead of the endo-type.
- Made some changes to the type of the CompilerState.
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- Added some code to allow variant creation with existential types. (NOTE: Check if it's actually valid)
- Modify var cleanup to leave the var as-is if it has been deleted. (NOTE: Need to find out why a variable is left prior to being deleted)
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references to the removed var from other vars.
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(slot-names are no longer Text, but Syntax).
- lux/type;bound? no longer does further derefs to check for bound-ness?
- Improved the way 2 type-vars are type-checked.
- When cleaning type-vars, the dereffed typed is no longer cleaned again.
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- Added the ability to export from def.
- Added an optimized lambda macro.
- Finished record analysis & compilation.
- Fixed a bug in tuple, function & record analysis wherein AppT wasn't being performed prior to analysing the expression under analysis.
- Fixed several bugs wherein "fail*" was needed but "fail" was used.
- Added a case for records in base;show-ast.
- Made an improvement for AllT in type;show-type.
- Corrected an error in pattern-matching compilation wherein casts weren't being performed to make sure the source datum was of the necessary type for PM.
- Removed the (now unnecessary) lux/macro.
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optimization where I can skip doing a full-blowing type-check by doing a pointer-check with &type/Type for both the exo-type and the endo-type.
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- Renamed a few defs in lux.lux.
- No more type-test shortcut inside lux/analyser/lux.
- Defs are now being classified as either (#ValueD <type>) or (#MacroD <macro>).
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of TypeEnv. The performance of the type-checker also improved thanks to that.
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- Fixed a bug wherein bool pattern-matching was only considered total if there was a wildcard, despite true & false cases where provided.
- Changed the syntax of the jvm-interface special form.
- Refactored the lux;writer, lux;eval-ctor & lux;loader fields of the CompilerState into a single data-structure which is now stored under the lux;host field
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- Fixed several bugs within lux.lux.
- Renamed "check'" to ":'" and "coerce" to ":!".
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- Fixed an error in lux.base/analyse-2
- Modified the analyser so the symbols that identify all of the special forms must mandatorily have "" as their prefix.
- Fixed a bug in the binary operations at lux.analyser.host wherein the types where being omitted.
- Fixed a bug when closing-over variables inside lambda bodies wherein the names of bindings where being stores as (incomparable) arrays, instead of as (comparable) strings.
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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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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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