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2020-05-14[exn] [tactics] improve backtraces on monadic errorsEmilio Jesus Gallego Arias
Current backtraces for tactics leave a bit to desire, for example given the program: ```coq Lemma u n : n + 0 = n. rewrite plus_O_n. ``` the backtrace stops at: ``` Found no subterm matching "0 + ?M160" in the current goal. Called from file "proofs/proof.ml", line 381, characters 4-42 Called from file "tactics/pfedit.ml", line 102, characters 31-58 Called from file "plugins/ltac/g_ltac.mlg", line 378, characters 8-84 ``` Backtrace information `?info` is as of today optional in some tactics, such as `tclZERO`, it doesn't cost a lot however to reify backtrace information indeed in `tclZERO` and provide backtraces for all tactic errors. The cost should be small if we are not in debug mode. The backtrace for the failed rewrite is now: ``` Found no subterm matching "0 + ?M160" in the current goal. Raised at file "pretyping/unification.ml", line 1827, characters 14-73 Called from file "pretyping/unification.ml", line 1929, characters 17-53 Called from file "pretyping/unification.ml", line 1948, characters 22-72 Called from file "pretyping/unification.ml", line 2020, characters 14-56 Re-raised at file "pretyping/unification.ml", line 2021, characters 66-73 Called from file "proofs/clenv.ml", line 254, characters 12-58 Called from file "proofs/clenvtac.ml", line 95, characters 16-53 Called from file "engine/proofview.ml", line 1110, characters 40-46 Called from file "engine/proofview.ml", line 1115, characters 10-34 Re-raised at file "clib/exninfo.ml", line 82, characters 4-38 Called from file "proofs/proof.ml", line 381, characters 4-42 Called from file "tactics/pfedit.ml", line 102, characters 31-58 Called from file "plugins/ltac/g_ltac.mlg", line 378, characters 8-84 ``` which IMO is much better.
2020-05-14Merge PR #12296: Fixes #12234: wrong environment for Show ProofGaëtan Gilbert
Reviewed-by: SkySkimmer
2020-05-14Add a changelog for 8.11.2.Pierre-Marie Pédrot
2020-05-14Fix title level and a build failure.Théo Zimmermann
2020-05-14Fix conflicts with latest master.Théo Zimmermann
2020-05-14Add some markers of origin.Théo Zimmermann
2020-05-14Reintroduce leftover parts; update index files; small fixes.Théo Zimmermann
2020-05-14Adding changelog.Pierre-Marie Pédrot
2020-05-14Remove an outdated piece of documentation about limitations of unfold.Pierre-Marie Pédrot
2020-05-14Added change log.Hugo Herbelin
2020-05-14Refactoring of the first part of the reference manual.Théo Zimmermann
2020-05-14Preserve Implicit arguments file.Théo Zimmermann
2020-05-14Remove Canonical structures from Implicit arguments.Théo Zimmermann
2020-05-14Merge doc on Canonical structures from two origins.Théo Zimmermann
2020-05-14Move Canonical structures file into new location.Théo Zimmermann
2020-05-14Add Canonical structure declarations to Canonical structures file.Théo Zimmermann
2020-05-14Extract Canonical structures from Implicit arguments.Théo Zimmermann
2020-05-14Split Gallina extensions into multiple files.Théo Zimmermann
2020-05-14Split Gallina into multiple files.Théo Zimmermann
2020-05-14Split parts of CIC into multiple files.Théo Zimmermann
2020-05-14Create new file on Functions and Assumptions.Théo Zimmermann
2020-05-14Extract functions and assumptions.Théo Zimmermann
2020-05-14Merge definitions and type casts in same file.Théo Zimmermann
2020-05-14Create new file on Definitions.Théo Zimmermann
2020-05-14Extract Definitions from Gallina.Théo Zimmermann
2020-05-14Add type casts to new Definitions file.Théo Zimmermann
2020-05-14Extract type casts from Gallina.Théo Zimmermann
2020-05-14Add changelog for #12323.Hugo Herbelin
2020-05-14Merge PR #12097: Interleave commandline require/set/unset commandsEmilio Jesus Gallego Arias
Ack-by: Zimmi48 Reviewed-by: ejgallego
2020-05-14Merge doc on extended pattern matching from two origins.Théo Zimmermann
2020-05-14Move extended pattern matching to new location.Théo Zimmermann
2020-05-13Add section on pattern matching from Gallina ext.Théo Zimmermann
2020-05-13Extract extended pattern matching from Gallina extensions.Théo Zimmermann
2020-05-13New file on existential variables.Théo Zimmermann
2020-05-13Extract evars from Gallina extensions.Théo Zimmermann
2020-05-13Preserve sections about typing rules in CIC chapter.Théo Zimmermann
2020-05-13Merge doc of modules from two origins.Théo Zimmermann
2020-05-13Move file on modules in new location.Théo Zimmermann
2020-05-13Add to file on modules.Théo Zimmermann
2020-05-13Extract modules from Gallina ext.Théo Zimmermann
2020-05-13New file on primitive objects.Théo Zimmermann
2020-05-13Extract primitive objects from Gallina ext.Théo Zimmermann
2020-05-13Create a new file on conversion.Théo Zimmermann
2020-05-13Extract conversion rules from CIC.Théo Zimmermann
2020-05-13Merge sections on CoInductive types and co-recursive functions in new file.Théo Zimmermann
2020-05-13Add cofix and CoFixpoint to file on CoInductive types.Théo Zimmermann
2020-05-13Extract cofix and CoFixpoint from Gallina.Théo Zimmermann
2020-05-13Create new file on CoInductive types.Théo Zimmermann
2020-05-13Extract CoInductive types from Gallina.Théo Zimmermann
2020-05-13Adding change log for #8808.Hugo Herbelin
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