[cfe-dev] [LLVMdev] Need some brief explanation about llvm::MemoryBuffer and llvm::SourceMgr

[Journeyer J. Joh]

Hi Justin Holewinski,

>> As far as I know, there is not a good way to implement user prompts with the LLVM APIs.

This info helps me a lot.
I tried to do a thing that is not possible.

Thank you very much.

Sincerely
Journeyer

2013/1/15 Justin Holewinski <justin.holewinski at gmail.com>:
> Is this for user prompts, or just reading data from stdin?  You can use
> MemoryBuffer::getSTDIN to read the contents of stdin into a memory buffer.
> Then you can get the data pointer and size and read it in.  As far as I
> know, there is not a good way to implement user prompts with the LLVM APIs.
>
>
> On Mon, Jan 14, 2013 at 4:57 AM, Journeyer J. Joh <oosaprogrammer at gmail.com>
> wrote:
>>
>> Hello list,
>>
>> I learned that under LLVM, #including of <iostream> is forbidden.
>> Instead LLVM provides llvm::raw_ostream(for std::cout, std::cerr) and
>> llvm::MemoryBuffer(for input stream).
>>
>> And using of llvm::raw_ostream is pretty easy but for me learning of
>> how to use llvm::MemoryBuffer is pretty much difficult.
>>
>> I found a good sample code; utils/yaml2obj/yaml2obj.cpp.
>> The function, main() in this file provides a hint which is not enough
>> for me though.
>>
>> I still cannot figure out how to use llvm::MemoryBuffer.
>> What I need is just a means of doing std::cin.
>>
>> Could someone explain about this?
>>
>> Thank you in advance.
>> --
>> ----------------------------------------
>> Journeyer J. Joh
>> o o s a p r o g r a m m e r
>> a t
>> g m a i l  d o t  c o m
>> ----------------------------------------
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>
>
>
>
> --
>
> Thanks,
>
> Justin Holewinski



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Journeyer J. Joh
o o s a p r o g r a m m e r
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