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48e3dea925
polymorphism.nl:
Fix some bugs:
- I had forgotten to update the argmodes of the modified
procedures
- I was updating the argtypes and attempting to use there
old value. I fixed this by splitting the algorithm
into two passes.
- to compute the types of the arguments to a call,
apply the type mapping from the _caller_ not the callee.
Also improve efficiency in a couple of places.
hlds.nl:
Add some new access predicates required by polymorphism.nl.
list.nl:
Add a new predicate list__duplicate, which is used by polymorphism.nl.
typecheck.nl, type_util.nl:
Move the type_unify routines from typecheck.nl into type_util.nl,
since they're also needed by polymorphism.nl.
term.nl:
Export term__apply_rec_substitution_to_list, since it's needed
by polymorphism.nl.
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mode_util.nl, type_util.nl:
Move some routines from mode_util.nl to type_util.nl, where they
really belong.
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make_hlds.nl, code_util.nl, typecheck.nl:
Mark builtin predicates as "external" in make_hlds.nl,
rather than checking for them as a special case in typecheck.nl.
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prog_io.nl, hlds.nl, typecheck.nl:
For documentation purposes, define equivalent types `tvar',
`tvarset', `tsubst' for type variables, type varsets, and
type substitutions.
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mercury_compile.pp, options.nl:
Change the handling of the --dump-hlds option so that you can
now dump the HLDS after any of the 12 HLDS transformation passes.
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make_hlds.nl:
Report an error if there are clauses for an imported predicate.
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io.nu.nl:
Add a new predicate r/1 which is like run/1 except that
you pass it a string rather than a list of atoms.
So now you can do
$ mercury_compile.debug
Mercury Interpreter 0.1
NU-Prolog 1.6.4
1?- r("mc -options blah blah blah").