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From: Xavier Leroy <xleroy@pauillac.inria.fr>
Message-Id: <199703111328.OAA20795@pauillac.inria.fr>
Subject: Objective Caml 1.04 released
To: caml-list@pauillac.inria.fr, comp-lang-ml@cs.cmu.edu
Date: Tue, 11 Mar 1997 14:28:47 +0100 (MET)
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Release 1.04 of Objective Caml is now available.

The main novelty in this release is the port of the Caml Light replay
debugger. Also, the native-code compiler now works on Silicon
Graphics, weak pointers are supported, and the foreign interface
was enriched to make calling Caml from C easier.

A detailed list of changes follows at the end of this message.

The sources and Windows binaries are available by anonymous FTP
at ftp://ftp.inria.fr/lang/caml-light. Diffs are not available due to
bootstrapping difficulties.

See http://pauillac.inria.fr/ocaml/ for documentation and general info
about Objective Caml.

- Xavier Leroy

Objective Caml 1.04:
--------------------

* Replay debugger ported from Caml Light; added debugger support in
  compiler (option -g) and runtime system. Debugger is alpha-quality
  and needs testing.

* Parsing:
  - Support for "# linenum" directives.
  - At toplevel, allow several phrases without intermediate ";;".

* Typing:
  - Allow constraints on datatype parameters, e.g. 
    type 'a foo = ... constraint 'a = 'b * 'c.
  - Fixed bug in signature matching in presence of free type variables '_a.
  - Extensive cleanup of internals of type inference.

* Native-code compilation:
  - Inlining of small functions at point of call (fairly conservative).
  - MIPS code generator ported to SGI IRIX 6.
  - Better code generated for large integer constants.
  - Check for urgent GC when allocating large objects in major heap.
  - PowerPC port: better scheduling, reduced TOC consumption.
  - HPPA port: handle long conditional branches gracefully,
    several span-dependent bugs fixed.

* Standard library:
  - More floating-point functions (all ANSI C float functions now available).
  - Hashtbl: added functorial interface (allow providing own equality
    and hash functions); rehash when resizing, avoid memory leak on
    Hashtbl.remove.
  - Added Char.uppercase, Char.lowercase, String.uppercase, String.lowercase,
    String.capitalize, String.uncapitalize.
  - New module Weak for manipulating weak pointers.
  - New module Callback for registering closures and exceptions to be
    used from C.

* Foreign interface:
  - Better support for callbacks (C calling Caml), exception raising
    from C, and main() in C. Added function to remove a global root.
  - Option -output-obj to package Caml code as a C library.

* Thread library: fixed bug in timed_read and timed_write operations;
  Lexing.from_function and Lexing.from_channel now reentrant.

* Unix interface: renamed EACCESS to EACCES (the POSIX name); added setsid;
  fixed bug in inet_addr_of_string for 64-bit platforms.

* Ocamlyacc: default error function no longer prevents error recovery.

* Ocamllex: fixed reentrancy problem w.r.t. exceptions during refill;
  fixed output problem (\r\r\n) under Win32.

* Macintosh port:
  - The makefiles are provided for compiling and installing O'Caml on
    a Macintosh with MPW 3.4.1.
  - An application with the toplevel in a window is forthcoming.

* Windows NT/95 port: updated toplevel GUI to that of Caml Light 0.73.

* Emacs editing mode and debugger interface included in distribution.