[Issue 18368] -X should print all static information on stdout if no files are given

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18368

Timothee Cour <timothee.cour2 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |timothee.cour2 at gmail.com

--- Comment #1 from Timothee Cour <timothee.cour2 at gmail.com> ---
behavior should be defined in:

https://github.com/dlang/dmd/pull/7838#issuecomment-362949178

-Xf=- => stdout
-Xf=file => file
-X => inferredoutputfile.json (requires some input files)

what it outputs:
if no input file => static compiler info
if input file => module info (cf same as before)

if -Xq=query also given:
what's generated depends on query

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