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This has fully been replaced by the new let binding.
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This PR updates the update-copyright.pl script to also update/add copyright headers to CMake specific files. It further fixes a small typo in the header.
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Fixes #3005. When printing nodes, we introduce `let` expressions on the
fly. However, when doing that, we have to be careful that we don't
shadow existing variables with the same name. When quantifiers are
involved, we do not descend into the quantifiers to avoid letifying
terms with bound variables that then go out of scope (see #1863). Thus,
to avoid shadowing variables appearing in quantifiers, we have to
collect all the variables appearing in that term to make sure that the
let does not shadow them. In #3005, the issue was caused by a `let` that
was introduced outside of a quantifier and then was shadowed in the body
of the quantifier by another `let` introduced for that body.
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just the header comments at the top, though. Don't update to this rev if
you don't have time for a complete rebuild, and exclude this rev if you
want to see what's new across a range of commits.
(this commit was certified error- and warning-free by the test-and-commit script.)
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* Internal uses of CheckArgument changed to AssertArgument/AlwaysAssertArgument()
* Make util/Assert.h cvc4_private instead of public, so AssertionException and friends are now internal-only
* CheckArgument() throws non-AssertionException
* things outside the core library (parsers, driver) use regular C-style assert,
or a public exception type.
* auto-generated documentation for Smt options and internal options
Also, a small fix to SMT-LIBv1 QF_ABV and QF_AUFBV definitions, which were nonstandard.
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meeting last week. The SmtEngine now subscribes to NodeManager events,
does appropriate dumping of variable declarations, and notifies the Model
class.
The way to create a skolem is now:
nodeManager->mkSkolem("myvar_$$", TypeNode, "is a variable created by the theory of Foo")
The first argument is the name of the skolem, and the (optional) "$$" is a
placeholder for the node id (to get a unique name). Without a "$$", a "_$$"
is automatically appended to the given name.
The second argument is the type.
The (optional, but recommended) third argument is a comment, used by the
dump infrastructure to indicate what the variable is for / who owns it.
An optional fourth argument (not shown) allows you to specify flags that
control the behavior (e.g., don't do notification, and/or don't make a
unique name). Look at the documentation for details on these.
In particular, the above means you can't just do a mkSkolem(boolType) for
example---you have to specify a name and (hopefully also,
but it's optional) a comment. This leads to easier debugging than the
anonymous skolems before, since we'll be able to track where the skolems
came from.
Much of the Model and Dump stuff, as well as some Command stuff, is cleaned up
by this commit. Some remains to be cleaned up.
(this commit was certified error- and warning-free by the test-and-commit script.)
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collectModelInfo with fullModel argument, most theory-specific implementation out of the model class, model printer relegated to printer classes. Also updates to finite mode finding, modifications to datatypes making them compatible with theory combination, support for theory-specific handling of user attributes, refactoring of uf models
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* add support for mkBoundVar() (BOUND_VAR_LISTs in quantifiers must be bound vars)
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see how isConst() operates: use -d isConst
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isConst() and isVar() as appropriate)
also some base infrastructure for the new ::isConst().
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SubstitutionMap (when debugging tag "substitutions" is on) and DagificationVisitor
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