r218614 - Update modules documentation now that C++ support is working pretty well.
Vassil Vassilev
vasil.georgiev.vasilev at cern.ch
Wed Oct 1 03:02:49 PDT 2014
Thanks!
Vassil
On 10/01/2014 01:21 AM, Richard Smith wrote:
> After requests on IRC, it seems people prefer to make -fmodules turn
> on C++ modules now rather than waiting until closer to 3.6; that's
> done in r218717.
>
> On Tue, Sep 30, 2014 at 11:33 AM, Richard Smith <richard at metafoo.co.uk
> <mailto:richard at metafoo.co.uk>> wrote:
>
> I think we'll be ready to do this for Clang 3.6. I don't have
> strong feelings about whether we should do this now or wait until
> we've had more time for testing and bug fixes, though.
>
> On Tue, Sep 30, 2014 at 1:16 AM, Vassil Vassilev
> <vasil.georgiev.vasilev at cern.ch
> <mailto:vasil.georgiev.vasilev at cern.ch>> wrote:
>
> That is pretty cool! Does this mean we could merge
> fcxx-modules into fmodules flags?
> Vassil
>
> On 09/29/2014 07:46 PM, Richard Smith wrote:
>
> Author: rsmith
> Date: Mon Sep 29 12:46:41 2014
> New Revision: 218614
>
> URL: http://llvm.org/viewvc/llvm-project?rev=218614&view=rev
> Log:
> Update modules documentation now that C++ support is
> working pretty well.
>
> Modified:
> cfe/trunk/docs/Modules.rst
>
> Modified: cfe/trunk/docs/Modules.rst
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/Modules.rst?rev=218614&r1=218613&r2=218614&view=diff
> ==============================================================================
> --- cfe/trunk/docs/Modules.rst (original)
> +++ cfe/trunk/docs/Modules.rst Mon Sep 29 12:46:41 2014
> @@ -114,7 +114,7 @@ Objective-C provides syntax for importin
> @import std;
> -The @import declaration above imports the entire
> contents of the ``std`` module (which would contain, e.g.,
> the entire C or C++ standard library) and make its API
> available within the current translation unit. To import
> only part of a module, one may use dot syntax to specific
> a particular submodule, e.g.,
> +The ``@import`` declaration above imports the entire
> contents of the ``std`` module (which would contain, e.g.,
> the entire C or C++ standard library) and make its API
> available within the current translation unit. To import
> only part of a module, one may use dot syntax to specific
> a particular submodule, e.g.,
> .. parsed-literal::
> @@ -166,7 +166,7 @@ Command-line parameters
> Enable the modules feature (EXPERIMENTAL).
> ``-fcxx-modules``
> - Enable the modules feature for C++ (EXPERIMENTAL and
> VERY BROKEN).
> + Enable the modules feature for C++ (EXPERIMENTAL).
> ``-fmodule-maps``
> Enable interpretation of module maps (EXPERIMENTAL).
> This option is implied by ``-fmodules``.
> @@ -832,14 +832,11 @@ Modules is an experimental feature, and
> Unlike with ``#include`` directives, it should be
> fairly simple to track whether a directly-imported module
> has ever been used. By doing so, Clang can emit ``unused
> import`` or ``unused #include`` diagnostics, including
> Fix-Its to remove the useless imports/includes.
> **Fix-Its for missing imports**
> - It's fairly common for one to make use of some API
> while writing code, only to get a compiler error about
> "unknown type" or "no function named" because the
> corresponding header has not been included. Clang should
> detect such cases and auto-import the required module
> (with a Fix-It!).
> + It's fairly common for one to make use of some API
> while writing code, only to get a compiler error about
> "unknown type" or "no function named" because the
> corresponding header has not been included. Clang can
> detect such cases and auto-import the required module, but
> should provide a Fix-It to add the import.
> **Improve modularize**
> The modularize tool is both extremely important (for
> deployment) and extremely crude. It needs better UI,
> better detection of problems (especially for C++), and
> perhaps an assistant mode to help write module maps for you.
> -**C++ Support**
> - Modules clearly has to work for C++, or we'll never get
> to use it for the Clang code base.
> -
> Where To Learn More About Modules
> =================================
> The Clang source code provides additional information
> about modules:
>
>
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