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* Remove "obsolete_locality" and fix STM vernac classification.Gravatar Maxime Dénès2017-11-29
| | | | | | | | | | We remove deprecated syntax "Coercion Local" and such, and seize the opportunity to refactor some code around vernac_expr. We also do a small fix on the STM classification, which didn't know about Let Fixpoint and Let CoFixpoint. This is a preliminary step for the work on attributes.
* [vernac] Remove "Proof using" hacks from parser.Gravatar Emilio Jesus Gallego Arias2017-10-10
| | | | | | | | | We place `Proof_using` in the proper place [`vernac`] and we remove gross parsing hacks. The new placement should allow to use the printers and more convenient structure, and reduce strange coupling between parsing and internal representation.
* [vernac] Remove `Qed exporting` syntax.Gravatar Emilio Jesus Gallego Arias2017-09-29
| | | | | | | We don't gain anything from the kernel yet as transparent constants _do_ require the `side_eff` exporting machinery. Next step, understand why.
* Bump year in headers.Gravatar Pierre-Marie Pédrot2017-07-04
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* Remove Show Thesis command which was never implemented.Gravatar Théo Zimmermann2017-06-12
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* Remove non-working Show Tree and Show Node commands.Gravatar Théo Zimmermann2017-06-12
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* Remove Show Implicit Arguments command.Gravatar Théo Zimmermann2017-06-12
| | | | | The command has been broken for 15 years. It is basically dead code. Its former behavior can be mimicked with Set Printing Implicit. Show.
* Remove Show Goal "uid" command.Gravatar Théo Zimmermann2017-06-12
| | | | | Introduced for Proof-General but unused at the current time, undocumented and can raise anomalies.
* Merge branch 'trunk' into located_switchGravatar Emilio Jesus Gallego Arias2017-05-24
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| * [vernac] Remove `Save thm id.` command.Gravatar Emilio Jesus Gallego Arias2017-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We'd like to cleanup the `proof_end` type so we can have a smaller path in proof save. Note that the construction: ``` Goal Type. ⋮ Save id. ``` has to be handled by the STM in the same path as Defined (but with an opaque flag), as `Save id` will alter the environment and cannot be processed in parallel. We thus try to simply such paths a bit, as complexity of `lemmas.ml` seems like an issue these days. The form `Save Theorem id` doesn't really seem used, and moreover we should really add a type of "Goal", and unify syntax. It is often the case that beginners try `Goal addnC n : n + 0 = n." etc...
| * [vernac] Remove `Save.` command.Gravatar Emilio Jesus Gallego Arias2017-05-23
| | | | | | | | It has been deprecated for a while in favor of `Qed`.
| * Remove unused [open] statementsGravatar Gaetan Gilbert2017-04-27
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* | [location] [ast] Switch Constrexpr AST to an extensible node type.Gravatar Emilio Jesus Gallego Arias2017-04-25
| | | | | | | | | | | | | | | | | | Following @gasche idea, and the original intention of #402, we switch the main parsing AST of Coq from `'a Loc.located` to `'a CAst.ast` which is private and record-based. This provides significantly clearer code for the AST, and is robust wrt attributes.
* | [location] Use Loc.located for constr_expr.Gravatar Emilio Jesus Gallego Arias2017-04-24
|/ | | | | | | | | This is the second patch, which is a bit more invasive. We reasoning is similar to the previous patch. Code is not as clean as it could as we would need to convert `glob_constr` to located too, then a few parts could just map the location.
* [camlpX] Remove camlp4 compat layer.Gravatar Emilio Jesus Gallego Arias2017-04-07
| | | | | | | | We remove the camlp4 compatibility layer, and try to clean up most structures. `parsing/compat` is gone. We added some documentation to the lexer/parser interfaces that are often obscured by module includes.
* Merge branch 'v8.6'Gravatar Pierre-Marie Pédrot2016-11-18
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| * Lets Hints/Instances take an optional patternGravatar Matthieu Sozeau2016-11-03
| | | | | | | | | | | | | | | | | | In addition to a priority, cleanup the interfaces for passing this information as well. The pattern, if given, takes priority over the inferred one. We only allow Existing Instances gr ... gr | pri. for now, without pattern, as before. Make the API compatible to 8.5 as well.
* | Move Ltac-specific components from G_proofs to G_ltac.Gravatar Pierre-Marie Pédrot2016-09-11
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* | Making Vernacexpr independent from Tacexpr.Gravatar Pierre-Marie Pédrot2016-09-08
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* Support qualified identifiers in Show Match (bug #5050).Gravatar Guillaume Melquiond2016-08-27
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* Extend Hint Mode to handle the no-head-evar caseGravatar Matthieu Sozeau2016-06-16
| | | | | | | Suggested by R. Krebbers and C. Cohen, this makes modes more applicable, by allowing to trigger resolution on partially instantiated indices. This is a rough but fast approximation of the pattern on which one would like instances to apply.
* Update copyright headers.Gravatar Maxime Dénès2016-01-20
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* Adding syntax "Show id" to show goal named id (shelved or not).Gravatar Hugo Herbelin2015-11-02
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* Proof using: let-in policy, optional auto-clear, forward closure*Gravatar Enrico Tassi2015-10-08
| | | | | | | | | | | | | - "Proof using p*" means: use p and any section var about p. - Simplify the grammar/parser for proof using <expression>. - Section variables with a body (let-in) are pulled in automatically since they are safe to be used (add no extra quantification) - automatic clear of "unused" section variables made optional: Set Proof Using Clear Unused. since clearing section hypotheses does not "always work" (e.g. hint databases are not really cleaned) - term_typing: trigger a "suggest proof using" message also for Let theorems.
* Qed export -> Qed exportingGravatar Enrico Tassi2015-03-22
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* Abstract: "Qed export ident, .., ident" to preserve v8.4 behaviorGravatar Enrico Tassi2015-02-14
| | | | Of course such proofs cannot be processed asynchronously
* Update headers.Gravatar Maxime Dénès2015-01-12
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* Proof using: New vernacular to name sets of section variablesGravatar Enrico Tassi2014-12-18
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* Add a "Hint Mode ref (+ | -)*" hint for setting a global modeGravatar Matthieu Sozeau2014-09-15
| | | | | | | | | | | | | of resulution for goals whose head is "ref". + means the argument is an input and shouldn't contain an evar, otherwise resolution fails. This generalizes the Typeclasses Strict Resolution option which prevents resolution to fire on underconstrained typeclass constraints, now the criterion can be applied to specific parameters. Also cleanup auto/eauto code, uncovering a potential backwards compatibility issue: in cases the goal contains existentials, we never use the discrimination net in auto/eauto. We should try to set this on once the contribs are stabilized (the stdlib goes through when the dnet is used in these cases).
* - Add "Show Universes" to print information about universes during a proof.Gravatar Matthieu Sozeau2014-06-16
| | | | - Remove dead code in evarconv.
* Remove many superfluous 'open' indicated by ocamlc -w +33Gravatar Pierre Letouzey2014-03-05
| | | | | | | | With ocaml 4.01, the 'unused open' warning also checks the mli :-) Beware: some open are reported as useless when compiling with camlp5, but are necessary for compatibility with camlp4. These open are now marked with a comment.
* Proof_using: new syntax + suggestionGravatar Enrico Tassi2014-01-05
| | | | | | | | | | | | | | | | | | | | | | | | Proof using can be followed by: - All : all variables - Type : all variables occurring in the type - expr: - (a b .. c) : set - expr + expr : set union - expr - expr : set difference - -expr : set complement (All - expr) Exceptions: - a singleton set can be written without parentheses. This also allows the implementation of named sets sharing the same name space of section hyps ans write - bla - x : where bla is defined as (a b .. x y) elsewhere. - if expr is just a set, then parentheses can be omitted This module also implements some AI to tell the user how he could decorate "Proof" with a "using BLA" clause. Finally, one can Set Default Proof Using "str" to any string that is used whenever the "using ..." part is missing. The coding of this sucks a little since it is the parser that applies the default.
* Change syntax of Hint Resolve to actually accept user-given priorities.Gravatar msozeau2013-09-07
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16766 85f007b7-540e-0410-9357-904b9bb8a0f7
* More functional implementation of locality_flag and program_modeGravatar gareuselesinge2013-04-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit introduces 2 new vernac_expr constructors: - VernacLocal (b,v) that represents a vernacular v with the "Local" modifier - VernacProgram v that represents a vernacular v with the "Program" modifier This allows the parser to avoid using side effects to model the two modifiers, that are now represented in the AST. This also decouples the parsing phase from the interpretation phase, since parsing a second phrase does not alter the locality flag for the first phrase. As a consequence all the locality_flag components of vernac_expr have been removed, but for the ones that (for retro compatibility) allow an "infix" Local flag. In these cases the boolean is renamed obsolete_locality (as the grammar entry that parses it), and during interpretation we check that at most one locality flag is specified, using the idiom (where the input local is the obsolete one): let local = enforce_XXX_locality locality local in Another improvement is that the default locality is not chosen in the parser, but in the interpreter where the idiom let local = make_XXX_locality locality in is used to default the locality to XXX (module/section/whatever). Unfortunately not all side effects have been removed: - Flags.program_mode is still used to signal that we are in program mode - Locality.LocalityFixme.* functions are used in commands that do not have an AST, but are parsed as VernacExtend (see vernacinterp.ml) I guess one could fix the latter case systematically adding an extra argument "locality" to commands attached using VERNAC COMMAND EXTEND. Fixing plugins adding commands that honour "Local" should look like this: VERNAC COMMAND EXTEND Set_Solver | [ "Obligation" "Tactic" ":=" tactic(t) ] -> [ set_default_tactic - (Locality.use_section_locality ()) + (Locality.make_section_locality (Locality.LocalityFixme.consume ())) (Tacintern.glob_tactic t) ] END In any case the side effects are set/consumed within then interpretation phase, and not set during the parsing phase and consumed during the interpretation phase. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16396 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix reference_or_constr grammar rule to accept @t as a constrGravatar gareuselesinge2012-11-07
| | | | | | | | With the previous formulation extra parentheses had to be added, now they are only necessary for compound expressions, like an application. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15954 85f007b7-540e-0410-9357-904b9bb8a0f7
* Change [Hints Resolve] to still accept constrs as argumentsGravatar msozeau2012-10-31
| | | | | | | | to maintain compatibility, the term is then declared as a constant internally. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15948 85f007b7-540e-0410-9357-904b9bb8a0f7
* Change Hint Resolve, Immediate to take a global reference as argumentGravatar msozeau2012-10-26
| | | | | | | | | | | | | instead of a general constr: this is the most common case and does not loose generality (one can simply define constrs before Hint Resolving them). Benefits: - Natural semantics for typeclasses, not class resolution needed at Hint Resolve time, meaning less trouble for users as well. - Ability to [Hint Remove] any hint so declared. - Simplifies the implementation as well. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15930 85f007b7-540e-0410-9357-904b9bb8a0f7
* Moved Compat to parsing. This permits to break the dependency of theGravatar ppedrot2012-10-04
| | | | | | | | | | | | kernel on CAMLP4/5 structures, and consequently should also erase such structures from vo files. This modification requires some code duplication, mainly while reimplementing our own location data type. This is chiefly visible in the ml4 files, where CAMLP4/5 locations must be manually converted to our locations with an explicit (!@) cast operator. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15847 85f007b7-540e-0410-9357-904b9bb8a0f7
* Updating headers.Gravatar herbelin2012-08-08
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15715 85f007b7-540e-0410-9357-904b9bb8a0f7
* Restore compatibility with camlp4 (some missing open Tok)Gravatar letouzey2012-05-30
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15397 85f007b7-540e-0410-9357-904b9bb8a0f7
* simplification in deps of some g_*.ml4Gravatar letouzey2012-05-29
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15377 85f007b7-540e-0410-9357-904b9bb8a0f7
* New files intf/constrexpr.mli and intf/notation_term.mli out of TopconstrGravatar letouzey2012-05-29
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15375 85f007b7-540e-0410-9357-904b9bb8a0f7
* locus.mli for occurrences+clauses, misctypes.mli for various little thingsGravatar letouzey2012-05-29
| | | | | | | | | Corresponding operations in locusops.ml and miscops.ml The type of occurrences is now a clear algebraic one instead of a bool*list hard to understand. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15372 85f007b7-540e-0410-9357-904b9bb8a0f7
* Vernacexpr is now a mli-only file, locality stuff now in locality.mlGravatar letouzey2012-05-29
| | | | | | Adds a directory ./intf for pure interfaces. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15367 85f007b7-540e-0410-9357-904b9bb8a0f7
* Removed syntax BeginSubproof/EndSubproof. It has been replaced byGravatar aspiwack2012-04-13
| | | | | | | | braces ( { / } ). BeginSuproof n (where n is a goal number) can be replaced by Focus n. { . git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15158 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added a command "Unfocused" which returns an error when the proof isGravatar aspiwack2012-03-30
| | | | | | not fully unfocused (in the style of the Guarded command). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15104 85f007b7-540e-0410-9357-904b9bb8a0f7
* Remove code of obsolete tactics : superauto, autotdb, cdhyp, dhyp, dconclGravatar letouzey2012-03-30
| | | | | | No grammar entries for these tactics since coq 8.0 git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15102 85f007b7-540e-0410-9357-904b9bb8a0f7
* Remove old proof-managment commands Suspend/ResumeGravatar letouzey2012-03-23
| | | | | | | There're not compatible with the current Backtrack mecanism used both by ProofGeneral and CoqIDE. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15083 85f007b7-540e-0410-9357-904b9bb8a0f7
* Removing PrintConstr debugging entry in g_proof.ml4 which was notGravatar herbelin2011-12-18
| | | | | | | working and was causing a warning when declaring the entry of same name in top_printers.ml. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14815 85f007b7-540e-0410-9357-904b9bb8a0f7
* Proof using ...Gravatar gareuselesinge2011-12-12
| | | | | | | | | | | | | New vernacular "Proof using idlist" to declare the variables to be discharged at the end of the current proof. The system checks that the set of declared variables is a superset of the set of actually used variables. It can be combined in a single line with "Proof with": Proof with .. using .. Proof using .. with .. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14789 85f007b7-540e-0410-9357-904b9bb8a0f7
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