[cfe-dev] A plugin proposal for clang

[Erik Verbruggen]

On 19-10-11 20:03, Joshua Cranmer wrote:
> On 10/17/2011 1:12 PM, Douglas Gregor wrote:
>> On Oct 14, 2011, at 5:31 PM, Joshua Cranmer wrote:
> Effectively, an example of how to do LLVM optimization passes via a
> clang plugin.
>> One useful example would be to add an "annotate" attribute to various
>> declarations, and verify that the attribute made it through to the IR.
>>
>> I think it's useful to categorize the various existing and intended
>> extension points for a plugin interface. ASTConsumer and PPCallbacks
>> come to mind immediately, but what else?
>
> Diagnostics (so plugins can add warnings/errors) come to mind quickly as
> well. I can imagine that some clever people might need to know about
> some specific codegen details if they are using plugins to generate
> reflective metadata; everything else I can think of is more or less
> covered by LLVM.

Being able to generate new chunks of AST would also be helpful. That 
would make it possible to turn source-code generators into plug-ins that 
generate AST on the fly, without needing to generate code.

-- Erik.