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steps
Parser now has syntax for mutual recusion blocks
mutual {
... fundefs ...
}
which is used for parsing and pretty printing
DEF_internal_mutrec. It's stripped away by the initial_check, so the
typechecker never sees DEF_internal_mutrec. Maybe this could change,
as forcing mutual recursion to be explicit would probably be a good
thing.
Added record syntax to the new parser
New option -dmagic_hash is similar to GHC's -XMagicHash in that it
allows for identifiers to contain the special hash character, which is
used to introduce new autogenerated variables in a way that doesn't
clash with existing names.
Option -sil compiles sail down to the intermediate language defined in
sil.ott (not complete yet).
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experiments
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files into runable executable.
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Modified initial_check.ml so it no longer requires type_internal. It's
still needs cleaned up in a few ways. Most of the things it's trying
to do could be done nicer if we took some time to re-factor it, and
some of the things should just be handled by the main typechecker,
leaving it as a think layer between the parse_ast and the ast.
Now that's done everything can be switched to the new typechecker and
the _new suffixes were deleted from everything except the
monomorphisation pass because I don't know the status of that.
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will be reflected in short hand type syntax, inc is still the default if undeclared
So:
default order dec
register bit[32] t (* Declares t as a decreasing vector, starting at 31 on the left and decreasing to 0 *)
default order inc
register bit[32] o (* Declares o as an increasing vector, starting at 0 on the left and increasing to 31 *)
It is presently possible to change the default mid-file; this is almost certainly bad and I will turn it into an error soon.
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Used by the Power XML extraction tool.
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definition environment. Skipping function definition, let bind, and expression checking for this commit (to come).
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homs for terms that only need locations and not full annotations
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representation of types to support unification; importing support modules from Lem including pp and util
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