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matita.cs.unibo.it Git - helm.git/log
Enrico Tassi [Thu, 24 Apr 2008 13:01:26 +0000 (13:01 +0000)]
guarded_by_constructor completely rewritten, fixed missing lift when generating the context of an inductive type in guarded_by_destructors.
Enrico Tassi [Thu, 24 Apr 2008 13:00:21 +0000 (13:00 +0000)]
added coinductive example
Claudio Sacerdoti Coen [Thu, 24 Apr 2008 12:56:14 +0000 (12:56 +0000)]
Working and broken URIs.
Enrico Tassi [Wed, 23 Apr 2008 16:41:37 +0000 (16:41 +0000)]
ported the instantiate-left-params-to-calculate-rec-args patch from the old to the new kernel,
to test the patch properly some steps of substitution inside a possibly blocked fix are performed,
this should be in general avoided without good checks (still to understand)
Claudio Sacerdoti Coen [Wed, 23 Apr 2008 08:17:26 +0000 (08:17 +0000)]
Avoid other comparisons on universes using =.
Claudio Sacerdoti Coen [Wed, 23 Apr 2008 08:09:39 +0000 (08:09 +0000)]
Avoid code duplication.
Claudio Sacerdoti Coen [Wed, 23 Apr 2008 08:04:53 +0000 (08:04 +0000)]
Do NOT dare using Pervasives.compare on data structures containing URIs!
Use UriManager.compare to get a 2x speed-up in type-checking setoids.
Enrico Tassi [Tue, 22 Apr 2008 19:18:53 +0000 (19:18 +0000)]
oblivion ugraph everywhere outside the kernel
Enrico Tassi [Tue, 22 Apr 2008 13:44:27 +0000 (13:44 +0000)]
slow_implementation and some dead code removed
Enrico Tassi [Tue, 22 Apr 2008 13:28:10 +0000 (13:28 +0000)]
more strict check by CSC, I miss it
Enrico Tassi [Tue, 22 Apr 2008 12:50:33 +0000 (12:50 +0000)]
fix cache comparison relaxed to URI and not REFERENCE
Enrico Tassi [Tue, 22 Apr 2008 12:48:10 +0000 (12:48 +0000)]
added a call to ppcontext in the case of appl, to ease the localization of the error
Enrico Tassi [Tue, 22 Apr 2008 12:47:31 +0000 (12:47 +0000)]
added ppcontext
Claudio Sacerdoti Coen [Tue, 22 Apr 2008 09:41:34 +0000 (09:41 +0000)]
Types for LetIns computed during parsing for Coq objects may contain universes
that must be made fresh.
Claudio Sacerdoti Coen [Mon, 21 Apr 2008 17:20:43 +0000 (17:20 +0000)]
defn2.ma is to be used with part1a_inversion3
the induction/inversion lemma in part1a_inversion3 is more regular w.r.t.
the meta-theory
automation pushed to its limits in part1a_inversion3.ma
Enrico Tassi [Mon, 21 Apr 2008 09:19:23 +0000 (09:19 +0000)]
fix universe handling, newly encountered objects are typed in an empty ugraph
that after the cleanup phase is committed into the cic_environement and merged
with the current one.
minor reformatting of sources and some more for_all
Claudio Sacerdoti Coen [Sun, 20 Apr 2008 21:32:11 +0000 (21:32 +0000)]
Alternative prove using just one induction/inversion principle.
Enrico Tassi [Sat, 19 Apr 2008 16:33:26 +0000 (16:33 +0000)]
better error message
Enrico Tassi [Sat, 19 Apr 2008 16:32:53 +0000 (16:32 +0000)]
...
Enrico Tassi [Sat, 19 Apr 2008 16:32:36 +0000 (16:32 +0000)]
impredicative set work around
Enrico Tassi [Sat, 19 Apr 2008 16:32:22 +0000 (16:32 +0000)]
impredicative set work around
Enrico Tassi [Sat, 19 Apr 2008 16:30:53 +0000 (16:30 +0000)]
associativity of -> fixed
Enrico Tassi [Sat, 19 Apr 2008 16:30:21 +0000 (16:30 +0000)]
ancient graph regarding universes and trust=false, universes calculated for internal objects
were used for the toplevel object (that should be sound) but cleaned using the univ list of
the internal object
Enrico Tassi [Sat, 19 Apr 2008 16:27:57 +0000 (16:27 +0000)]
extlib list_uniq instead of local copy
Enrico Tassi [Sat, 19 Apr 2008 16:27:28 +0000 (16:27 +0000)]
ranking function fixed: when graphs are collapsed one step links are not updated (nor serialized to disk)
thus you can not rely on them, just use the closures!
Enrico Tassi [Sat, 19 Apr 2008 16:26:21 +0000 (16:26 +0000)]
added flag to change Set into Type on the fly, that helps on some coq objects using impredicative set
Claudio Sacerdoti Coen [Sat, 19 Apr 2008 11:13:05 +0000 (11:13 +0000)]
oblivion_ugraph => empty_ugraph
Claudio Sacerdoti Coen [Sat, 19 Apr 2008 10:52:50 +0000 (10:52 +0000)]
Added to flags to activate/disactivate pretty-printing and exception catching.
Claudio Sacerdoti Coen [Sat, 19 Apr 2008 09:20:24 +0000 (09:20 +0000)]
Uris must be stripped of their xpointers.
Claudio Sacerdoti Coen [Fri, 18 Apr 2008 18:31:58 +0000 (18:31 +0000)]
Dead code removed.
Claudio Sacerdoti Coen [Fri, 18 Apr 2008 18:27:43 +0000 (18:27 +0000)]
Inversion lemma for Forall.
Enrico Tassi [Fri, 18 Apr 2008 16:58:38 +0000 (16:58 +0000)]
workaround for Pi associativity
Enrico Tassi [Fri, 18 Apr 2008 16:50:10 +0000 (16:50 +0000)]
workaround for some Set/Type problems
Enrico Tassi [Fri, 18 Apr 2008 15:30:40 +0000 (15:30 +0000)]
cicEnvironment refactoring with sound view of Coq`s univ-less terms
Enrico Tassi [Fri, 18 Apr 2008 15:27:39 +0000 (15:27 +0000)]
assertion was wrong, an object can contain a named univers if its uri is the one of the object itself
Enrico Tassi [Fri, 18 Apr 2008 15:26:11 +0000 (15:26 +0000)]
graph generation phase fixed
Enrico Tassi [Fri, 18 Apr 2008 13:59:17 +0000 (13:59 +0000)]
Appl case in is_really_smaller fixed as in the old kernel
Enrico Tassi [Thu, 17 Apr 2008 16:55:36 +0000 (16:55 +0000)]
example:
inductive I : Type :=
| k : \forall A. (A -> I)-> I
match t with
| k _ f => f w (* is smaller than t even if applied! *)
Enrico Tassi [Thu, 17 Apr 2008 16:34:44 +0000 (16:34 +0000)]
added a missing whd
Enrico Tassi [Thu, 17 Apr 2008 16:12:12 +0000 (16:12 +0000)]
new calculation of recursive parameters in guarded by destructors:
inductive I : Type :=
| K : list (pair Type I) -> I
let rec f t on t : I -> bool :=
match t with
| k ((nat, x)::_) -> f x
| k _ -> true
is now accepted. the arg of k used to be recursive but not the head of the list
(only its tail) since constructors types were not specialized on actual left
arguments (and the information that the type of the head contains I was lost).
Enrico Tassi [Thu, 17 Apr 2008 14:39:30 +0000 (14:39 +0000)]
Two similar cases packed together
Enrico Tassi [Thu, 17 Apr 2008 14:30:56 +0000 (14:30 +0000)]
some fixes for guardness conditions
Enrico Tassi [Thu, 17 Apr 2008 14:26:23 +0000 (14:26 +0000)]
is_really_smaller in sync with old kernel, impossible cases removed
Claudio Sacerdoti Coen [Tue, 15 Apr 2008 20:52:43 +0000 (20:52 +0000)]
check_is_really_smaller simplified to consider that it is called only on terms
(immediately put in normal form) that inhabit an inductive type. Moreover,
some duplicated code has been removed.
Claudio Sacerdoti Coen [Tue, 15 Apr 2008 20:10:44 +0000 (20:10 +0000)]
1. bug fixed: the context must be type-checked before using it in type_of_aux'.
Otherwise get_cooked_obj raises Not_found in Deannotate
2. big improvement in guarded_by_destructors: when a fix applied to a safe
argument is found in the body of another fix, the body of the inner fix
is check adding the recusrive formal parameter as an additional safe
argument.
Enrico Tassi [Tue, 15 Apr 2008 13:44:16 +0000 (13:44 +0000)]
get_checked_fix -> get_checked_fixes
Enrico Tassi [Tue, 15 Apr 2008 13:42:39 +0000 (13:42 +0000)]
added comment
Claudio Sacerdoti Coen [Tue, 15 Apr 2008 10:47:29 +0000 (10:47 +0000)]
added sample of guarded by in which coq is stronger
Enrico Tassi [Tue, 15 Apr 2008 08:53:01 +0000 (08:53 +0000)]
positivity check fixed, a MutInd not applied (but with an exp-named-subst)
was considere non strictly positive always
Enrico Tassi [Tue, 15 Apr 2008 08:20:24 +0000 (08:20 +0000)]
do not use an implicit but a sort as a neutral term for positivity check
Enrico Tassi [Mon, 14 Apr 2008 14:59:12 +0000 (14:59 +0000)]
objects are typechecked to ensure there is a graph before doing all the stuff... read: much more memory is required
Enrico Tassi [Mon, 14 Apr 2008 14:48:14 +0000 (14:48 +0000)]
leftno should be increased of the expnamedsubst, but counting only the uris of vars without a body
Enrico Tassi [Mon, 14 Apr 2008 14:47:15 +0000 (14:47 +0000)]
better error message
Enrico Tassi [Mon, 14 Apr 2008 13:21:15 +0000 (13:21 +0000)]
same_obj made more precise, fixed the order of the context for fixpoints body,
cache of fix extended to the mutual case (properly)
Enrico Tassi [Mon, 14 Apr 2008 10:22:14 +0000 (10:22 +0000)]
ficed fixpoint cache usage for mutual fix
Enrico Tassi [Mon, 14 Apr 2008 10:21:33 +0000 (10:21 +0000)]
fixed positivity conditions
Enrico Tassi [Mon, 14 Apr 2008 10:20:39 +0000 (10:20 +0000)]
added mk_fix i j r that given an r of a fix generated another fix on i and j
Enrico Tassi [Mon, 14 Apr 2008 09:58:24 +0000 (09:58 +0000)]
positivity condition was relying on the name declared in abstractions, and
was checking for a dependent product calling does not occurr with a wrong
index
Enrico Tassi [Mon, 14 Apr 2008 09:00:52 +0000 (09:00 +0000)]
added little optimization to not add twice the same arc
Enrico Tassi [Fri, 11 Apr 2008 16:45:29 +0000 (16:45 +0000)]
quinck and untested implementation of positivity conditions check
Enrico Tassi [Fri, 11 Apr 2008 15:25:15 +0000 (15:25 +0000)]
...
Enrico Tassi [Fri, 11 Apr 2008 15:20:27 +0000 (15:20 +0000)]
added depndency of new kernel to metadata to allow to use the DB to calculate the minimum set of graphs to load
Enrico Tassi [Fri, 11 Apr 2008 15:19:31 +0000 (15:19 +0000)]
FIXED bug, added assertion in case a universe inside a term T living at URI u
was marked with URI v <> u. Unshare.fresh_types should be called!
added a function to linearize a given graph, imperative interface since
is is used only in the new kernel.
Enrico Tassi [Fri, 11 Apr 2008 15:16:33 +0000 (15:16 +0000)]
added function to fresh types
Enrico Tassi [Fri, 11 Apr 2008 15:15:46 +0000 (15:15 +0000)]
call Unshare.fresh_types
Enrico Tassi [Fri, 11 Apr 2008 15:15:21 +0000 (15:15 +0000)]
load the graph of objects that depend on the ones requested,
rank universes and use them in the transformation to obtain terms
with TypeK and not always Type0
Enrico Tassi [Fri, 11 Apr 2008 15:13:47 +0000 (15:13 +0000)]
use universe rank instead of Type0
Enrico Tassi [Fri, 11 Apr 2008 15:13:09 +0000 (15:13 +0000)]
Type related failures fixed
Enrico Tassi [Fri, 11 Apr 2008 15:12:30 +0000 (15:12 +0000)]
better pp of objects
Claudio Sacerdoti Coen [Fri, 11 Apr 2008 13:09:02 +0000 (13:09 +0000)]
Extracted code. The main executable is medium_tests that runs the emulator on
a few assembly programs with inputs of different sizes:
* string reverse
* counting sort
* perfect numbers
Enrico Tassi [Fri, 11 Apr 2008 13:07:54 +0000 (13:07 +0000)]
removed useless file
Enrico Tassi [Fri, 11 Apr 2008 11:40:49 +0000 (11:40 +0000)]
fixed modules order
Enrico Tassi [Fri, 11 Apr 2008 11:10:12 +0000 (11:10 +0000)]
more fix removed from types
Enrico Tassi [Fri, 11 Apr 2008 11:01:53 +0000 (11:01 +0000)]
more fix removed from types in proofs
Enrico Tassi [Fri, 11 Apr 2008 10:33:49 +0000 (10:33 +0000)]
when we build the elimination principle we fresh universes to not
generate tems with different
Enrico Tassi [Fri, 11 Apr 2008 10:21:45 +0000 (10:21 +0000)]
added a parameter to unshare universes
Enrico Tassi [Fri, 11 Apr 2008 10:20:34 +0000 (10:20 +0000)]
Conversion of 2 lambdas was not requiring equality on universes of the source type, while the conversion of products was requiring so.
Moreover Coq seems to force that constraint too.
Enrico Tassi [Fri, 11 Apr 2008 10:16:56 +0000 (10:16 +0000)]
context of types built in the reverse order
Enrico Tassi [Fri, 11 Apr 2008 10:16:00 +0000 (10:16 +0000)]
added a simplify to prevent the generation of an ugly fix
Enrico Tassi [Fri, 11 Apr 2008 08:16:23 +0000 (08:16 +0000)]
implemented inductive and less parentheses
Claudio Sacerdoti Coen [Thu, 10 Apr 2008 18:19:16 +0000 (18:19 +0000)]
The cache of objects is now used also for cofixpoints.
Claudio Sacerdoti Coen [Thu, 10 Apr 2008 18:14:47 +0000 (18:14 +0000)]
New: cache of translated fixpoints (to avoid the generative fix restriction and
to avoid pollution of the environment). Many more Matita objects now pass.
TODO: the caching machinery should be debugged and better understood (what about
metasenv and subst?)
Claudio Sacerdoti Coen [Thu, 10 Apr 2008 18:09:01 +0000 (18:09 +0000)]
does_not_occur exported to be used in oCic2NCic
Claudio Sacerdoti Coen [Wed, 9 Apr 2008 15:59:57 +0000 (15:59 +0000)]
Bug fixed: references to CoFix are CoFix, not Fix.
Enrico Tassi [Wed, 9 Apr 2008 15:24:54 +0000 (15:24 +0000)]
print unnamed variables as __n
Enrico Tassi [Wed, 9 Apr 2008 15:22:03 +0000 (15:22 +0000)]
switch off profilers
Enrico Tassi [Wed, 9 Apr 2008 15:13:59 +0000 (15:13 +0000)]
pp with parenthesis only when necessary and with some more boxes
Claudio Sacerdoti Coen [Wed, 9 Apr 2008 14:58:35 +0000 (14:58 +0000)]
...
Claudio Sacerdoti Coen [Wed, 9 Apr 2008 14:57:34 +0000 (14:57 +0000)]
Fixed serious bug that occurred only in the following situation:
\lambda x.
Fix f {
\lambda y: P x.
Fix g {
The two fixes must be translated as
Fix f { \lambda x. \lambda y: P x. ...}
Fix g { \lambda x. \lambda f. \lambda y: P x. ... }
In the first case, the x that occurs in the type of y must be a Rel 1.
In the second case, the x that occurs in the type of y must be a Rel 2.
The previous code translated both of them to Rel 1.
Enrico Tassi [Wed, 9 Apr 2008 14:57:13 +0000 (14:57 +0000)]
better pp in Appl
Enrico Tassi [Wed, 9 Apr 2008 14:55:30 +0000 (14:55 +0000)]
better pp
Enrico Tassi [Wed, 9 Apr 2008 14:37:56 +0000 (14:37 +0000)]
pretty printer on steroids
Claudio Sacerdoti Coen [Wed, 9 Apr 2008 12:20:22 +0000 (12:20 +0000)]
Added some "\n" here and there to the pretty-printing of Match.
Claudio Sacerdoti Coen [Wed, 9 Apr 2008 12:19:06 +0000 (12:19 +0000)]
Grave bug fixed: Ce that point to definitions were handled as those that point
to declarations. So Fix-constants were too much abstracted, too much applied,
etc.
Enrico Tassi [Wed, 9 Apr 2008 12:04:09 +0000 (12:04 +0000)]
added profiling on/off
Enrico Tassi [Wed, 9 Apr 2008 12:03:34 +0000 (12:03 +0000)]
invalidate fixed
Enrico Tassi [Wed, 9 Apr 2008 11:59:49 +0000 (11:59 +0000)]
allow to switch profiling on and off on the fly
Enrico Tassi [Wed, 9 Apr 2008 11:58:33 +0000 (11:58 +0000)]
removed two useless calls to the environment, one still to be optimized out
Enrico Tassi [Wed, 9 Apr 2008 08:47:07 +0000 (08:47 +0000)]
...
Claudio Sacerdoti Coen [Tue, 8 Apr 2008 22:00:51 +0000 (22:00 +0000)]
Variables are no longer experted (cooking is now implemented).
Better reporting with indentation.