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We add hexadecimal numerals according to the following regexp
0[xX][0-9a-fA-F][0-9a-fA-F_]*(\.[0-9a-fA-F_]+)?([pP][+-]?[0-9][0-9_]*)?
This is unfortunately a rather large commit. I suggest reading it in
the following order:
* test-suite/output/ZSyntax.{v,out} new test
* test-suite/output/Int63Syntax.{v,out} ''
* test-suite/output/QArithSyntax.{v,out} ''
* test-suite/output/RealSyntax.{v,out} ''
* test-suite/output/FloatSyntax.{v,out} ''
* interp/numTok.ml{i,} extending numeral tokens
* theories/Init/Hexadecimal.v adaptation of Decimal.v
for the new hexadecimal Numeral Notation
* theories/Init/Numeral.v new interface for Numeral Notation (basically,
a numeral is either a decimal or an hexadecimal)
* theories/Init/Nat.v add hexadecimal numeral notation to nat
* theories/PArith/BinPosDef.v '' positive
* theories/ZArith/BinIntDef.v '' Z
* theories/NArith/BinNatDef.v '' N
* theories/QArith/QArith_base.v '' Q
* interp/notation.ml{i,} adapting implementation of numeral notations
* plugins/syntax/numeral.ml ''
* plugins/syntax/r_syntax.ml adapt parser for real numbers
* plugins/syntax/float_syntax.ml adapt parser for primitive floats
* theories/Init/Prelude.v register parser for nat
* adapting the test-suite (test-suite/output/NumeralNotations.{v,out}
and test-suite/output/SearchPattern.out)
* remaining ml files (interp/constrex{tern,pr_ops}.ml where two open
had to be permuted)
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Rather than integers '[0-9]+', numeral constant can now be parsed
according to the regexp '[0-9]+ ([.][0-9]+)? ([eE][+-]?[0-9]+)?'.
This can be used in one of the two following ways:
- using the function `Notation.register_rawnumeral_interpreter` in an OCaml plugin
- using `Numeral Notation` with the type `decimal` added to `Decimal.v`
See examples of each use case in the next two commits.
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There is more churn than there should be because SearchPattern uses a
non-local sorting algorithm; the comparison function considers many
constants equal in priority and leaves it up to the heap structure to
break ties, which seems wrong. This has been reported as
[bug #5573](https://coq.inria.fr/bugs/show_bug.cgi?id=5573).
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Fix the ordering of the results in the output of Search to correspond
to the "priority" ordering.
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This patch converts the `search_*` functions to use an iter-style API.
Consequently, the Search Vernac will produce a message for each search
result, greatly improving roundtrip time as IDEs can effectively display
the results in a streaming way.
It also allows different printers to be used.
I didn't observe a performance difference (as things seem to be
dominated by printing and `Declaremods`).
As a minor tweak, we make search with "Output Name Only" more efficient.
Motivation:
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Currently, the main search API `Search.generic_search` is an effectful,
iteration-based function:
```ocaml
val generic_search : int option -> display_function -> unit
```
This type is imposed by `Declaremods`, which exposes an effectful,
iteration-based API to traverse Coq library objects.
The `Search.search_*` functions try to offer a more functional API by
returning a list of pretty printing commands. They need to build an
internal intermediate list for that purpose.
However, this is a waste of time, as the destination of these lists is
to be flushed out by the printer right away.
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I hope I did not forget any place to change.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16423 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15433 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14128 85f007b7-540e-0410-9357-904b9bb8a0f7
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Signed-off-by: Tom Prince <tom.prince@ualberta.net>
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14127 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14114 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12860 85f007b7-540e-0410-9357-904b9bb8a0f7
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