Get all files imported by a D source file

[Yuxuan Shui via Digitalmars-d-learn]

On Friday, 9 September 2016 at 10:03:01 UTC, wobbles wrote:
> On Thursday, 8 September 2016 at 07:20:52 UTC, Yuxuan Shui 
> wrote:
>> On Thursday, 8 September 2016 at 06:33:00 UTC, Jacob Carlborg 
>> wrote:
>>> On 2016-09-08 07:39, Yuxuan Shui wrote:
>>>> Hi,
>>>>
>>>> I wonder if there's standardized way to gather which files 
>>>> are imported
>>>> by a source file. I know I can run "dmd -v" and look for 
>>>> lines start
>>>> with "import", but I don't know if this is the best way to 
>>>> do it.
>>>
>>> You can use the "-deps" flag.
>>
>> -deps is even noisier than just -v...
>
> It's pretty noisy alright, but it's also pretty easy to read...
>
> It also shows just how coupled phobos is.
> I'm importing one single function (std.stdio.writefln), and all 
> the dependencies are imported:
> http://pastebin.com/DSC4JhBD

Also the output format seems to change between versions (or 
between compilers, I don't know).

Because dmd 2.071 prefix lines with "depsImport", while ldc 
(based on dmd 2.070.2) doesn't.