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change of printing format of forall (need more thinking).
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all the tactics using the constructor keyword in one entry. This has the
side-effect to also remove the other variant of constructor from the AST.
I also needed to hack around the "tauto" tactic to make it work, by
calling directly the ML tactic through a TacExtend node. This may be
generalized to get rid of the intermingled dependencies between this
tactic and the infamous Ltac quotation mechanism.
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hypothesis when using it in apply or rewrite (prefix ">",
undocumented), and a modifier to explicitly keep it in induction or
destruct (prefix "!", reminiscent of non-linerarity).
Also added undocumented option "Set Default Clearing Used Hypotheses"
which makes apply and rewrite default to erasing the hypothesis they
use (if ever their argument is indeed an hypothesis of the context).
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subgoals and the role of the "by tac" clause swapped.
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Differs from the usual t;[t1…tn] in two ways:
* It can be used without a preceding tactic
* It counts every focused subgoal, rather than considering independently the goals generated by the application of the preceding tactic on individual goals.
In other words t;[t1…tn] is [> t;[>t1…tn].. ].
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It is meant to avoid intermediary retyping when a term is built in Ltac. See #3218.
The implementation makes a small modification in Constrintern: now the main internalisation function can take an extra substitution from Ltac variables to glob_constr and will apply the substitution during the internalisation.
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potentially conflicting tactics names from different plugins.
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They used to be the same (and had a single entry in the AST). But now that t2 can be a multi-goal tactic, t1;[t2..] has the semantics of executing t2 in each goal independently.
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backtracks, print time spent in each of successive calls.
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This reverts commit abad0a15ac44cb5b53b87382bb4d587d9800a0f6.
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variant of it, accepting an additional integer.
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We eta-expand primitive Ltac functions, and instead of feeding TacExtend
directly with its arguments, we use the environment to retrieve them.
Some tactics from the AST were also moved away and made using this
mechanism.
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"coretactics.ml4" file.
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them.
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adding a new grammar entry for clauses
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The removed code isn't used locally and isn't exported in the signature
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NB: new file miscprint.ml deserves to be part of printing.cma,
but should be part of proofs.cma for the moment, due to use in logic.ml
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refine tactic, which now uses plain glob_constr's. Now there
is no real need to depend on goal when interpreting genargs.
Possible minor incompatibilities:
1. The interpretation of glob_constr to constr is now done by
Goal.constr_of_raw, which may be slightly dumbier than the dedicated
Tacinterp.interp_open_constr which tries harder. Stdlib and test-suite
do go through, though.
2. I had to change the parsing level of wit_glob in Extraargs
from lconstr to constr. It may break ML notations using glob, but
as they are only used inside Coq code and all well-parenthezised,
it should be OK.
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17084 85f007b7-540e-0410-9357-904b9bb8a0f7
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Instead of putting the body directly in the AST, we register it in a table.
This time it should work properly. Tactic notation are given kernel names to
ensure the unicity of their contents.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17079 85f007b7-540e-0410-9357-904b9bb8a0f7
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Tactics notation interpretation was messed up because of the use of
identical keys for different notations. All my tentative fixes were
unsuccessful, so better blankly revert the commit for now.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17078 85f007b7-540e-0410-9357-904b9bb8a0f7
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Instead of putting the body directly in the AST, we register it in a table.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17077 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17033 85f007b7-540e-0410-9357-904b9bb8a0f7
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exactly_once t, will have a success if t has exactly once success.
There are a few caveats:
- The underlying effects of t may happen in an unpredictable order (hence it may be wise to use it only with "pure" tactics)
- The second success of a tactic is conditional on the exception thrown. In Ltac it doesn't show, but in the underlying code, the tactical also expects the exception you want to use to produce the second success.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17009 85f007b7-540e-0410-9357-904b9bb8a0f7
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[once t] does just as [t] but has exactly one success it [t] has at least one success.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17004 85f007b7-540e-0410-9357-904b9bb8a0f7
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It works pretty much like "tac1 || tac2" except that it has as successes all the successes of tac1 followed by all the successes of tac2 (whereas the latter has either the successes of tac1 (if there is at least one) or those of tac2 (otherwise)).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16998 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16760 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16618 85f007b7-540e-0410-9357-904b9bb8a0f7
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level of generic arguments. This only matters at parsing time.
TODO: the current status is not satisfactory enough, as rule
emptyness is still decided w.r.t. generic arguments. This should be
done on a grammar entry basis instead.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16617 85f007b7-540e-0410-9357-904b9bb8a0f7
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through a unique generic argument, and the level is only considered
at parsing time.
This may introduce unnecessary parentheses in Ltac printing though,
as every tactic argument is collapsed at the lowest level. I assume
this does not matter that much, and anyway Ltac printing is quite
bugged as of today.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16616 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16610 85f007b7-540e-0410-9357-904b9bb8a0f7
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instead (proof of concept, to be extended).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16609 85f007b7-540e-0410-9357-904b9bb8a0f7
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1. Genarg itself which only defines the abstract datatypes needed.
2. Genintern, first file of interp/, defining the intern and subst
functions.
3. Geninterp, first file of tactics/, defining the interp function.
4. Genprint, first file of printing/, dealing with the printers.
The Genarg file has no dependency and is in lib/, so that we can put
generic arguments everywhere, and in particular in ASTs.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16601 85f007b7-540e-0410-9357-904b9bb8a0f7
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