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* Fix bug 5392: Warnings defined in plugins are considered unknownGravatar Maxime Dénès2017-06-23
| | | | | | The status of a warning can now be set before the warning is declared (typically by a plugin). However, I had to remove the "unknown warning" warning.
* Bump year in headers.Gravatar Maxime Dénès2017-06-01
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* [future] Use eager evaluation for chaining values.Gravatar Emilio Jesus Gallego Arias2017-03-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current future system is lazy when "chaining" (*) a resolved future, which implies that chaining with a resolved future will produce a non-resolved one. This misfeature interacts badly with the "purification" optimization, which in turn provokes a swarm of spurious state setting calls in real use. To solve this problem, we revert to the more natural semantics of respecting the evaluation semantics when mapping over a future, indeed respecting the previous resolution status. This commit solves a kind of _critical_ bug in the current system, with the particular bad path origination in `Future.split2` due to the following accumulation of circumstances: ``` split2 x -> chain x (fun x -> fst x) => let y = chain ~pure x (fun x -> fst x) in if is_over x && greedy then ignore(force ~pure y); y => [y <- Closure (fun x -> fst x)] ignore(force (Closure (fun x -> fst x))) => purify_future (force ~pure) (Closure (fun x -> fst x)) ``` and then, the test in `purify_future` fails, triggering the spurious state reset operation. This problem was first noted at https://sympa.inria.fr/sympa/arc/coqdev/2016-02/msg00081.html , and seems related to https://coq.inria.fr/bugs/show_bug.cgi?id=5382 We fix the problem by making chaining eager, but other solutions would be possible. Given that the main user of `chain` is `split2` which does `snd/fst`, I recommend this solution. The difference in calls to `unfreeze_state` is dramatic: ``` | File | Freeze Calls After | Freeze Calls Before | |----------------------------------------+--------------------+---------------------| | theories/Init/Notations.v | 0 | 0 | | theories/Init/Logic.v | 57 | 614 | | theories/Init/Datatypes.v | 13 | 132 | | theories/Init/Logic_Type.v | 7 | 57 | | theories/Init/Specif.v | 5 | 35 | | theories/Init/Nat.v | 0 | 0 | | theories/Init/Peano.v | 22 | 264 | | theories/Init/Wf.v | 8 | 89 | | theories/Init/Tactics.v | 2 | 24 | | theories/Init/Tauto.v | 0 | 0 | | theories/Init/Prelude.v | 0 | 0 | | Bool/Bool.v | 104 | 1220 | | Program/Basics.v | 0 | 0 | | Classes/Init.v | 0 | 0 | | Program/Tactics.v | 0 | 0 | | Relations/Relation_Definitions.v | 0 | 0 | | Classes/RelationClasses.v | 21 | 341 | | Classes/Morphisms.v | 47 | 689 | | Classes/CRelationClasses.v | 18 | 245 | | Classes/CMorphisms.v | 50 | 587 | | Classes/Morphisms_Prop.v | 3 | 127 | | Classes/Equivalence.v | 6 | 105 | | Classes/SetoidTactics.v | 0 | 0 | | Setoids/Setoid.v | 4 | 33 | | Structures/Equalities.v | 8 | 93 | | Relations/Relation_Operators.v | 0 | 0 | | Relations/Operators_Properties.v | 35 | 627 | | Relations/Relations.v | 2 | 24 | | Structures/Orders.v | 12 | 148 | | Numbers/NumPrelude.v | 0 | 0 | | Structures/OrdersTac.v | 13 | 234 | | Structures/OrdersFacts.v | 73 | 931 | | Structures/GenericMinMax.v | 82 | 1294 | | Numbers/NatInt/NZAxioms.v | 0 | 0 | | Numbers/NatInt/NZBase.v | 7 | 87 | | Numbers/NatInt/NZAdd.v | 14 | 168 | | Numbers/NatInt/NZMul.v | 12 | 144 | | Logic/Decidable.v | 28 | 336 | | Numbers/NatInt/NZOrder.v | 81 | 1174 | | Numbers/NatInt/NZAddOrder.v | 24 | 288 | | Numbers/NatInt/NZMulOrder.v | 46 | 552 | | Numbers/NatInt/NZParity.v | 35 | 420 | | Numbers/NatInt/NZPow.v | 29 | 348 | | Numbers/NatInt/NZSqrt.v | 54 | 673 | | Numbers/NatInt/NZLog.v | 64 | 797 | | Numbers/NatInt/NZDiv.v | 49 | 588 | | Numbers/NatInt/NZGcd.v | 36 | 432 | | Numbers/NatInt/NZBits.v | 0 | 0 | | Numbers/Natural/Abstract/NAxioms.v | 0 | 0 | | Numbers/NatInt/NZProperties.v | 0 | 0 | | Numbers/Natural/Abstract/NBase.v | 14 | 177 | | Numbers/Natural/Abstract/NAdd.v | 6 | 72 | | Numbers/Natural/Abstract/NOrder.v | 29 | 349 | | Numbers/Natural/Abstract/NAddOrder.v | 5 | 60 | | Numbers/Natural/Abstract/NMulOrder.v | 8 | 96 | | Numbers/Natural/Abstract/NSub.v | 36 | 432 | | Numbers/Natural/Abstract/NMaxMin.v | 18 | 216 | | Numbers/Natural/Abstract/NParity.v | 4 | 48 | | Numbers/Natural/Abstract/NPow.v | 26 | 312 | | Numbers/Natural/Abstract/NSqrt.v | 9 | 108 | | Numbers/Natural/Abstract/NLog.v | 0 | 0 | | Numbers/Natural/Abstract/NDiv.v | 50 | 600 | | Numbers/Natural/Abstract/NGcd.v | 14 | 168 | | Numbers/Natural/Abstract/NLcm.v | 29 | 348 | | Numbers/Natural/Abstract/NBits.v | 168 | 2016 | | Numbers/Natural/Abstract/NProperties.v | 0 | 0 | | Arith/PeanoNat.v | 77 | 990 | | Arith/Le.v | 2 | 57 | | Arith/Lt.v | 14 | 168 | | Arith/Plus.v | 20 | 269 | | Arith/Gt.v | 17 | 248 | | Arith/Minus.v | 11 | 132 | | Arith/Mult.v | 14 | 168 | | Arith/Between.v | 19 | 299 | | Logic/EqdepFacts.v | 26 | 539 | | Logic/Eqdep_dec.v | 13 | 361 | | Arith/Peano_dec.v | 3 | 26 | | Arith/Compare_dec.v | 35 | 360 | | Arith/Factorial.v | 3 | 36 | | Arith/EqNat.v | 10 | 111 | | Arith/Wf_nat.v | 18 | 173 | | Arith/Arith_base.v | 0 | 0 | | Numbers/BinNums.v | 0 | 0 | | PArith/BinPosDef.v | 0 | 0 | | PArith/BinPos.v | 229 | 2810 | | NArith/BinNatDef.v | 0 | 0 | | NArith/BinNat.v | 107 | 1330 | | PArith/Pnat.v | 51 | 688 | | NArith/Nnat.v | 30 | 360 | | setoid_ring/Ring_theory.v | 43 | 756 | | Lists/List.v | 195 | 2908 | | setoid_ring/BinList.v | 6 | 90 | | Numbers/Integer/Abstract/ZAxioms.v | 0 | 0 | | Numbers/Integer/Abstract/ZBase.v | 3 | 36 | | Numbers/Integer/Abstract/ZAdd.v | 46 | 552 | | Numbers/Integer/Abstract/ZMul.v | 8 | 96 | | Numbers/Integer/Abstract/ZLt.v | 21 | 252 | | Numbers/Integer/Abstract/ZAddOrder.v | 45 | 543 | | Numbers/Integer/Abstract/ZMulOrder.v | 24 | 288 | | Numbers/Integer/Abstract/ZMaxMin.v | 22 | 264 | | Numbers/Integer/Abstract/ZSgnAbs.v | 41 | 492 | | Numbers/Integer/Abstract/ZParity.v | 6 | 72 | | Numbers/Integer/Abstract/ZPow.v | 10 | 120 | | Numbers/Integer/Abstract/ZDivTrunc.v | 68 | 816 | | Numbers/Integer/Abstract/ZDivFloor.v | 70 | 840 | | Numbers/Integer/Abstract/ZGcd.v | 29 | 348 | | Numbers/Integer/Abstract/ZLcm.v | 50 | 600 | | Numbers/Integer/Abstract/ZBits.v | 205 | 2460 | | Numbers/Integer/Abstract/ZProperties.v | 0 | 0 | | ZArith/BinIntDef.v | 0 | 0 | | ZArith/BinInt.v | 212 | 2839 | |----------------------------------------+--------------------+---------------------| ``` (*) I would call it `Future.map` better than chain.
* Merge PR#383: fix #5244: set printing width ignored when given enough spaceGravatar Maxime Dénès2017-01-24
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* | Fix race condition in STM DAG generation (in debug mode).Gravatar Maxime Dénès2017-01-13
| | | | | | | | The same file name for .dot graphs could be used by concurrent processes.
* | Fix broken .aux machinery.Gravatar Guillaume Melquiond2017-01-13
| | | | | | | | | | | | | | | | | | | | | | | | Coq expects aux_file_name_for to give the aux file corresponding to the input file whichever its Coq-related extension, be it .v or .vo or .vio. Commit 3e6fa1c broke this contract when fixing bug #5183. As a consequence, depending on the execution path, Coq would try to save or load from either .foo.aux or .foo.vo.aux or .foo.vio.aux. This commit reverts 3e6fa1c and fixes bug #5183 much earlier in the call chain by not initializing hints when the input file does not end with .v. This also restores 8.5 behavior with respect to aux file naming.
| * [pp] Set printing width for richpp formatter (bug #5244)Gravatar Emilio Jesus Gallego Arias2016-12-04
|/ | | | | | | | Richpp output depends on printing width, thus its internal formatter should be seeded with the proper width value. While we are at it, we increase the default buffer size to a more sensible value.
* Fix #5183 - Two CoqIDE crash errorsGravatar Maxime Dénès2016-11-30
| | | | | | | | | | When opening a file without extension, an uncaught exception was occurring. Note that this fix is not complete, since the "Compile Buffer" command still fails. This is because of a limitation of coqc which appends the ".v" extension to its argument even if it already existed (and even if it doesn't exist with the extension!).
* Fix some documentation typos.Gravatar Guillaume Melquiond2016-11-24
| | | | | Note: "dependant" does exist, but it is a noun and it means a person that is somehow financially dependent on someone else.
* Fix bug in warnings: -w foo was silent when foo did not exist.Gravatar Maxime Dénès2016-11-14
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* Removing a special treatment for empty lines in comments.Gravatar Hugo Herbelin2016-11-05
| | | | | | | | This made the whole pp code complicated only for the purpose of the beautifier, while it is not clear when this was useful. Removing the code for simplicity, not excluding to later address beautifier issues when they show up.
* Fix #4837: ./configure -local makes coqdep issue many warningsGravatar Maxime Dénès2016-11-04
| | | | | | We simply remove the warnings about paths mixing Win32 and Unix separators, since that situation does not seem problematic (c.f. discussion on the bug tracker).
* Remove an OCaml 4.02 construct.Gravatar Maxime Dénès2016-11-03
| | | | | This was not detected by running coq-contribs, so it probably means that we are not testing with the right version of OCaml.
* Fix various shortcomings of the warnings infrastructure.Gravatar Maxime Dénès2016-11-02
| | | | | | | | | | | | | - The flags are now interpreted from left to right, without any other precedence rule. The previous one did not make much sense in interactive mode. - Set Warnings and Set Warnings Append are now synonyms, and have the "append" semantics, which is the most natural one for warnings. - Warnings on unknown warnings are now printed only once (previously the would be repeated on further calls to Set Warnings, sections closing, module requiring...). - Warning status strings are normalized, so that e.g. "+foo,-foo" is reduced to "-foo" (if foo exists, "" otherwise).
* Merge remote-tracking branch 'github/pr/319' into v8.6Gravatar Maxime Dénès2016-10-28
|\ | | | | | | Was PR#319: More error tagging, try to fix bug 5135
* | STM: make ~valid state id non optional from APIsGravatar Enrico Tassi2016-10-26
| | | | | | | | | | | | It used to be Stateid.initial by default. That is indeed a valid state id but very likely not the very best one (that would be the tip of the document).
* | Error Resiliency: more conservative default (only curly braces)Gravatar Enrico Tassi2016-10-19
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| * [pp] Try to properly tag error messages in cError.Gravatar Emilio Jesus Gallego Arias2016-10-18
|/ | | | | | | | | | | | | | | In order to get proper coloring, we must tag the headers of error messages in `CError`. This should fix bug https://coq.inria.fr/bugs/show_bug.cgi?id=5135 However, note that this could interact badly with the richpp printing used by the IDE. At this level, we have no clue which tag we'd like to apply, as we know (and shouldn't) nothing about the top level backend. Thus, for now I've selected the console printer, hoping that the `Richpp` won't crash the IDE.
* Stopping warning on unrecognized unicode character in notation (fixing #5136).Gravatar Hugo Herbelin2016-10-17
| | | | | | | | | | | The warning was pointless since the notation was accepted and parsed anyway. We now treat unrecognized unicode characters like ordinary undefined tokens (e.g. "#" in a bare Coq). For instance, "aₚ", or ".ₚ", or "?ₚ" now fail with "Undefined token" rather than "Unsupported Unicode character".
* [toplevel] Remove duplicate beautify flags.Gravatar Emilio Jesus Gallego Arias2016-10-17
| | | | | | | | Given the current style in flags.mli no reason to have a function. A deeper question is why a global flag is needed, in particular the use in `interp/constrextern.ml` seems strange, the condition in the lexer should be looked at and I'm not sure about `printing/`.
* Merge PR #224 into v8.6Gravatar Pierre-Marie Pédrot2016-10-12
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* \ Merge branch 'v8.5' into v8.6Gravatar Pierre-Marie Pédrot2016-10-12
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| * | Fix #4416: - Incorrect "Error: Incorrect number of goals"Gravatar Arnaud Spiwack2016-10-10
| | | | | | | | | | | | | | | | | | | | | | | | In `Ftactic` the number of results could desynchronise with the number of goals when some goals were solved by side effect in a different branch of a `DISPATCH`. See [coq-bugs#4416](https://coq.inria.fr/bugs/show_bug.cgi?id=4416).
* | | Moving Pp.comments to CLexer so that Pp is purer (no more side-effectGravatar Hugo Herbelin2016-10-09
| | | | | | | | | | | | | | | done by the Ppcmd_comment token) and so that lexing/parsing side-effects are collected at the same place, i.e. in CLexer.
| | * [pp] Remove duplicate color logger.Gravatar Emilio Jesus Gallego Arias2016-09-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We use the same printing path for color and mono terminal output, thus removing the duplicate printers which avoids problems as they don't have to be kept in sync anymore. We tag unconditionally but set the `pp_tag` tagger properly. This removes IO from `Ppstyle` with IMO is the right thing to do. Test suite passes.
* | | Set the default LtacProf cutoff to 2%Gravatar Jason Gross2016-09-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was the original value from Tobias' code. When a user passes -profile-ltac on the command line, or inserts [Show Ltac Profile] in the document, the most useful default behavior is to not overload them with useless information. When GUI clients want to display fancier profiling information, there is no cost to the user to requiring them to specify what cutoff they want. If the GUI client does not have any special LtacProf handling, the most useful presentation is again the one that cuts off the display at 2% total time.
* | | Fix bug #4798: compat notations should not modify the parser.Gravatar Pierre-Marie Pédrot2016-09-29
| |/ |/| | | | | | | | | This is a quick fix. The Metasyntax module should be thoroughly revised in trunk, because it starts featuring a lot of spaghetti code and redundant data.
* | fix bug 3683 : adds references to the web site for the bug trackerGravatar Yves Bertot2016-09-29
| | | | | | | | in error messages
* | -profile-ltac-cutoff alike Show Ltac Profile Cutoff (#5100)Gravatar Enrico Tassi2016-09-29
| | | | | | | | | | With this command line flag one can profile ltac in files /and/ trim the results without actually touching the files.
* | Fix #5061: Warnings flag has no discernible valueGravatar Maxime Dénès2016-09-27
| | | | | | | | | | The default value of the warnings flag was printed as an empty string, now replaced by "default".
* | feedback: provide a feeder that prints debug messagesGravatar Enrico Tassi2016-09-13
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* | feedback: support multiple feedback listenersGravatar Enrico Tassi2016-09-05
| | | | | | | | So that a module can add his own and look at the traffic
* | Fast path for set operations.Gravatar Pierre-Marie Pédrot2016-08-22
| | | | | | | | | | | | We consider an approximation of the size of sets before choosing the most appropriate algorithm. This drastically affects some universe-polymorphic code which was doing a lot of set operations on disimilar sizes.
* | Make List.map_filter(_i) tail-recursive.Gravatar Guillaume Melquiond2016-08-09
| | | | | | | | | | | | | | | | | | | | | | While the performance gain should go unnoticed in most cases, in some degenerate situations, e.g. the evar-stressing test-case of bug #4964, this commit speeds up coq by 10% since most of the time is spent scanning long lists with most of the elements filtered out. Note that this commit also changes the scanning order to front-to-back, which is a bit less surprising (though no code should ever depend on the scanning order).
* | Fixing the printing of unknown locations by adding a newline.Gravatar Pierre-Marie Pédrot2016-07-08
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* | Adding a breaking space in warning names.Gravatar Pierre-Marie Pédrot2016-07-08
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* | errors.ml renamed into cErrors.ml (avoid clash with an OCaml compiler-lib ↵Gravatar Pierre Letouzey2016-07-03
| | | | | | | | | | | | module) For the moment, there is an Error module in compilers-lib/ocamlbytecomp.cm(x)a
* | A new infrastructure for warnings.Gravatar Maxime Dénès2016-06-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On the user side, coqtop and coqc take a list of warning names or categories after -w. No prefix means activate the warning, a "-" prefix means deactivate it, and "+" means turn the warning into an error. Special categories include "all", and "default" which contains the warnings enabled by default. We also provide a vernacular Set Warnings which takes the same flags as argument. Note that coqc now prints warnings. The name and category of a warning are printed with the warning itself. On the developer side, Feedback.msg_warning is still accessible, but the recommended way to print a warning is in two steps: 1) create it by: let warn_my_warning = CWarnings.create ~name:"my-warning" ~category:"my-category" (fun args -> Pp.strbrk ...) 2) print it by: warn_my_warning args
* | Merge remote-tracking branch 'github/pr/223' into feedback-locationsGravatar Maxime Dénès2016-06-27
|\ \ | | | | | | | | | Was PR#223: Allow feedback messages to carry a location.
* | | add CList.extract_firstGravatar Gabriel Scherer2016-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | we already have val remove_first : ('a -> bool) -> 'a list -> 'a list (** Remove the first element satisfying a predicate, or raise [Not_found] *) now we also have the more general val extract_first : ('a -> bool) -> 'a list -> 'a list * 'a (** Remove and return the first element satisfying a predicate, or raise [Not_found] *) The implementation is tail-recursive. The code I'm hoping to factorize reimplements extract_first in a tail-recursive way, so it seemed good to preserve this. On the other hand remove_first is not tail-recursive itself, and that gives better constant factors in real-life cases. It's unclear what is the best choice.
| * | [feedback] Remove `ErrorMsg` in favor of `Message Error`.Gravatar Emilio Jesus Gallego Arias2016-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ErrorMsg datatype was introduced to allow locations in messages, however, it was redundant with error and used only in one place. We remove it in favor of a more uniform treatment of messages with location. This patch also removes the use of `Loc.ghost` in one place. Lightly tested.
| * | [feedback] Allow messages to carry a location.Gravatar Emilio Jesus Gallego Arias2016-06-25
| | | | | | | | | | | | | | | | | | | | | The new warnings mechanism may which to forward a location to IDEs. This also makes sense for other message types. Next step is to remove redundant MsgError feedback type.
| * | [feedback] Add optional ?loc parameter to loggers.Gravatar Emilio Jesus Gallego Arias2016-06-25
| | | | | | | | | | | | | | | | | | | | | | | | This is a first step to relay location info in an uniform way, as needed by warnings and other mechanisms. The location info remains unused for now, but coqtop printing could take advantage of it if so wished.
| * | [feedback] Remove unused tag on `Debug` level.Gravatar Emilio Jesus Gallego Arias2016-06-25
|/ / | | | | | | IMO level indicators are not the proper place to store this information.
* | Add file name, line number and beginning of line position to locations.Gravatar Maxime Dénès2016-06-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Coq locations already had support for this, but were containing dummy information. We now don't need anymore to reconstruct this information by browsing the file when printing an error message or enriching exceptions on the fly. It also became easier to interface with Coq since locations emitted by the lexer now always contain full information. On the API side, Loc.represent disappeared and Loc.t is now exposed as record. It is less error-prone than manipulating a tuple of 5 integers. Also, Loc.create takes 5 arguments instead of 3 and a pair.
* | remote counter: avoid thread race on sockets (fix #4823)Gravatar Enrico Tassi2016-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With par: the scenario is this one: coqide --- master ---- proof worker 1 (has no par: steps) ---- proof worker 2 (has a par: step) ---- tac worker 2.1 ---- tac worker 2.2 ---- tac worker 2.3 Actor 2 installs a remote counter for universe levels, that are requested to master. Multiple threads dealing with actors 2.x may need to get values from that counter at the same time. Long story short, in this complex scenario a mutex was missing and the control threads for 2.x were accessing the counter (hence reading/writing to the single socket connecting 2 with master at the same time, "corrupting" the data flow). A better solution would be to have a way to generate unique fresh universe levels locally to a worker.
| * remote counter: avoid thread race on sockets (fix #4823)Gravatar Enrico Tassi2016-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With par: the scenario is this one: coqide --- master ---- proof worker 1 (has no par: steps) ---- proof worker 2 (has a par: step) ---- tac worker 2.1 ---- tac worker 2.2 ---- tac worker 2.3 Actor 2 installs a remote counter for universe levels, that are requested to master. Multiple threads dealing with actors 2.x may need to get values from that counter at the same time. Long story short, in this complex scenario a mutex was missing and the control threads for 2.x were accessing the counter (hence reading/writing to the single socket connecting 2 with master at the same time, "corrupting" the data flow). A better solution would be to have a way to generate unique fresh universe levels locally to a worker.
* | Merge 'pr/191' into trunkGravatar Enrico Tassi2016-06-16
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* | | Preventive compatibility fixes for flushing.Gravatar Emilio Jesus Gallego Arias2016-06-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In pre 8.6, `Pp` provided its own reimplementation of `Pervasives.flush_all`, with different semantics. Unfortunately, with the removal of `Pp.flush_all` in #179, a couple of points were silently switched to the `Pervasives` version, which may lead to some subtle printing differences. As a preventive measure, we restore the same semantics for these parts of the codebase. Note that we don't re-introduce Coq's `flush_all` for several reasons: - Consumers of the logging API should not mess with flushing and Formatters as this is backend dependent (i.e: when in IDEs). Use of `Format` should be fully encapsulated if we want some hope of IDEs taking full control. - As used, the old semantics of `flush_all` were fragile.
* | | Merge remote-tracking branch 'origin/pr/166' into trunkGravatar Enrico Tassi2016-06-14
|\ \ \ | | | | | | | | | | | | Add -o option to coqc
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