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-rw-r--r--doc/sphinx/language/gallina-specification-language.rst13
-rw-r--r--doc/sphinx/practical-tools/utilities.rst43
-rw-r--r--doc/sphinx/proof-engine/tactics.rst2
-rw-r--r--doc/sphinx/user-extensions/syntax-extensions.rst8
4 files changed, 59 insertions, 7 deletions
diff --git a/doc/sphinx/language/gallina-specification-language.rst b/doc/sphinx/language/gallina-specification-language.rst
index 721c7a7a51..7ce4538a4d 100644
--- a/doc/sphinx/language/gallina-specification-language.rst
+++ b/doc/sphinx/language/gallina-specification-language.rst
@@ -1063,8 +1063,17 @@ Parameterized inductive types
| cons3 : A -> list3 -> list3.
End list3.
- Attributes ``uniform`` and ``nonuniform`` respectively enable and
- disable uniform parameters for a single inductive declaration block.
+ For finer control, you can use a ``|`` between the uniform and
+ the non-uniform parameters:
+
+ .. coqtop:: in reset
+
+ Inductive Acc {A:Type} (R:A->A->Prop) | (x:A) : Prop
+ := Acc_in : (forall y, R y x -> Acc y) -> Acc x.
+
+ The flag can then be seen as deciding whether the ``|`` is at the
+ beginning (when the flag is unset) or at the end (when it is set)
+ of the parameters when not explicitly given.
.. seealso::
Section :ref:`inductive-definitions` and the :tacn:`induction` tactic.
diff --git a/doc/sphinx/practical-tools/utilities.rst b/doc/sphinx/practical-tools/utilities.rst
index 3d1fc6d4b9..179dff9959 100644
--- a/doc/sphinx/practical-tools/utilities.rst
+++ b/doc/sphinx/practical-tools/utilities.rst
@@ -255,14 +255,20 @@ file timing data:
one, you can pass them via the variable ``TGTS``, e.g., ``make pretty-timed
TGTS="a.vo b.vo"``.
- .. ::
+ .. note::
This target requires ``python`` to build the table.
.. note::
This target will *append* to the timing log; if you want a
- fresh start, you must remove the ``filetime-of-build.log`` or
+ fresh start, you must remove the file ``time-of-build.log`` or
``run make cleanall``.
+ .. note::
+ By default the table displays user times. If the build log
+ contains real times (which it does by default), passing
+ ``TIMING_REAL=1`` to ``make pretty-timed`` will use real times
+ rather than user times in the table.
+
.. example::
For example, the output of ``make pretty-timed`` may look like this:
@@ -310,6 +316,15 @@ file timing data:
(which are frequently noise); lexicographic sorting forces an order on
files which take effectively no time to compile.
+ If you prefer a different sorting order, you can pass
+ ``TIMING_SORT_BY=absolute`` to sort by the total time taken, or
+ ``TIMING_SORT_BY=diff`` to sort by the signed difference in
+ time.
+
+ .. note::
+ Just like ``pretty-timed``, this table defaults to using user
+ times. Pass ``TIMING_REAL=1`` to ``make`` on the command line to show real times instead.
+
.. example::
For example, the output table from
@@ -349,7 +364,7 @@ line timing data:
::
- print-pretty-single-time-diff BEFORE=path/to/file.v.before-timing AFTER=path/to/file.v.after-timing
+ print-pretty-single-time-diff AFTER=path/to/file.v.after-timing BEFORE=path/to/file.v.before-timing
this target will make a sorted table of the per-line timing differences
between the timing logs in the ``BEFORE`` and ``AFTER`` files, display it, and
@@ -364,6 +379,28 @@ line timing data:
.. note::
This target requires python to build the table.
+ .. note::
+ This target follows the same sorting order as the
+ ``print-pretty-timed-diff`` target, and supports the same
+ options for the ``TIMING_SORT_BY`` variable.
+
+ .. note::
+ By default, two lines are only considered the same if the
+ character offsets and initial code strings are identical. Passing
+ ``TIMING_FUZZ=N`` relaxes this constraint by allowing the
+ character locations to differ by up to ``N``, as long
+ as the total number of characters and initial code strings
+ continue to match. This is useful when there are small changes
+ to a file, and you want to match later lines that have not
+ changed even though the character offsets have changed.
+
+ .. note::
+ By default the table picks up real times, under the assumption
+ that when comparing line-by-line, the real time is a more
+ accurate representation as it includes disk time and time spent
+ in the native compiler. Passing ``TIMING_REAL=0`` to ``make``
+ will use user times rather than real times in the table.
+
.. example::
For example, running ``print-pretty-single-time-diff`` might give a table like this:
diff --git a/doc/sphinx/proof-engine/tactics.rst b/doc/sphinx/proof-engine/tactics.rst
index 36a5916868..2fa4f1fa42 100644
--- a/doc/sphinx/proof-engine/tactics.rst
+++ b/doc/sphinx/proof-engine/tactics.rst
@@ -275,7 +275,7 @@ These patterns can be used when the hypothesis is an equality:
:n:`or` has multiple constructors (:n:`or_introl` and :n:`or_intror`),
while :n:`and` has a single constructor (:n:`conj`) with multiple parameters
(:n:`A` and :n:`B`).
- These are defined in theories/Init/Logic.v. The "where" clauses define the
+ These are defined in ``theories/Init/Logic.v``. The "where" clauses define the
infix notation for "or" and "and".
.. coqdoc::
diff --git a/doc/sphinx/user-extensions/syntax-extensions.rst b/doc/sphinx/user-extensions/syntax-extensions.rst
index dbe714c388..a8d5ac610f 100644
--- a/doc/sphinx/user-extensions/syntax-extensions.rst
+++ b/doc/sphinx/user-extensions/syntax-extensions.rst
@@ -798,7 +798,13 @@ associated to the custom entry ``expr``. The level can be omitted, as in
Notation "[ e ]" := e (e custom expr).
-in which case Coq tries to infer it.
+in which case Coq infer it. If the sub-expression is at a border of
+the notation (as e.g. ``x`` and ``y`` in ``x + y``), the level is
+determined by the associativity. If the sub-expression is not at the
+border of the notation (as e.g. ``e`` in ``"[ e ]``), the level is
+inferred to be the highest level used for the entry. In particular,
+this level depends on the highest level existing in the entry at the
+time of use of the notation.
In the absence of an explicit entry for parsing or printing a
sub-expression of a notation in a custom entry, the default is to