.. and allow any letter in [g-zG-Z] as modifier (previously 'l','L','n')
Also allow modifier for floats
This give more freedom to ppx rewritters (what about a ppx for zarith)
Checks are performed when translating from Parsetree to Typedtree.
Invalid_literal is raised if the modifier is not recognized ([lLn]?)
Integer_overflow is raised as before.
Lexer: use g-zG-Z for integer literal modifier
Lexer: Allow modifier on float
Clean wrt previous commits
Lexer: use named substring
Cleanup
typo
doc
fix after rebase
rebase on trunk
Update typecore.ml
Fix printast.ml
This form used to produce Pstr_eval instead of Pstr_let. This would
probably come as a suprise for people matching on the Parsetree (e.g.
for a ppx). This special case is now removed.
To avoid a (probably harmless) regression in bytecode, the compilation
of "let _ = ..." bindings (including local ones) is optimized to remove
a useless introduction of a variable (which would occupy a stack slot
otherwise).
The source code printer (-dsource) now prints Pstr_eval as ";;expr",
which should always be ok. One could avoid ";;" at the beginning of
the structure, but since it is allowed, it is probably not worth adding
complexity here.
Merge of branch 'hex-float'.
- Add support in byterun/floats.c for conversions between floats and strings in hex notation. We cannot rely on the C standard library here because Microsoft consistently fails at supporting hex notation as standardized in C99. Instead, the conversions are implemented from scratch.
- Add support in the lexer so that hex float literals are recognized in OCaml sources.
- Add support in formats. The ISO C99 format letters for hex floats are %a and %A, but %a is already taken. I chose %h and %H, which are rejected today as bad formats (hence no backward incompatibility) and don't mean anything in C either (h is a modifier, not a format letter).
- Add support in printf. All the trimmings are there in the implementation of %h and %H, including sign modifier and fixed precision.
- Benoit Vaugon contributed support in scanf.
Resolved conflicts:
boot/ocamlc
boot/ocamldep
boot/ocamllex
parsing/lexer.mll
Add the following syntactic sugars, in both expressions and patterns:
- { f : typ = x } to mean { f = (x : typ) }
- { f : typ } to mean { f = (f : typ) }
In expressions, the type annotation can also be a coercion. For
instance: { f :> typ } to mean { f = (f :> typ) }.
Patch by Valentin Gatien-Baron
(Leo White)
Add support for simple functor types of the form:
S -> T
equivalent to:
functor (_ : S) -> T
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@16546 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
(Hongbo Zhang)
when printing recursive module the old version would print no space
before 'and':
A : ... = struct
...
endand B : ... = ...
this tiny PR fixes such problem
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@16307 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
- Primitives:
caml_float_of_string extended to recognize "0x" hexa notation
caml_hexstring_of_float new primitive
We do not assume hex floats are supported by the C standard library.
Instead, conversions hex string <-> float are implemented manually.
- Printf: hex FP output supported with formats %h / %H
- Scanf: remains to be updated (see TODO in stdlib/scanf.ml)
git-svn-id: http://caml.inria.fr/svn/ocaml/branches/hex-float@16257 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
(Hugo Heuzard)
The following were previously accepted and are now (rightly) rejected:
(fun x y -> x,y) 0O56789;;
(fun x y z t a b -> x,y,z,t,a,b) 0b0l0l0O10l0O6789l0e2;;
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@16003 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
(Jeremy Yallop)
A small follow-up to PR#6054, which added support for the forms
M.[e1; e2; ... en]
M.[|e1; e2; ...; en|]
M.{l1=e1; l2=e2; ... ln=en}
M.{<e1; e2; ... en>}
This patch adds support for the empty cases:
M.[]
M.[||]
M.()
M.{<>}
The empty forms aren't particularly useful in themselves, of course,
but the uniformity is convenient.
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@16002 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Hugo Heuzard
alainfrisch
Frederic Bour
Xavier Leroy
Damien Doligez
Jeremie Dimino
Leo White
Gabriel Scherer
Jacques Garrigue
Jérémie Dimino
Pierre Weis
Damien Doligez
Leo White