On 2018-12-05 20:43:43 +0000, Jonathan Wakely wrote: > On Wed, 5 Dec 2018 at 20:43, Segher Boessenkool > <segher@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Wed, Dec 05, 2018 at 06:37:55PM +0000, Jonathan Wakely wrote: > > > On Wed, 5 Dec 2018 at 16:44, Vincent Lefevre <vincent+gcc@xxxxxxxxxx> wrote: > > > > > > > > I would like to write a gcc wrapper and get the list of input files > > > > of the gcc command line before executing gcc. As a heuristic, I could > > > > get all the arguments with some extension like .c and .h, but is > > > > there a more reliable way? > > > > > > Look for any argument that doesn't start with '-' or '@' ? > > > > Some options take a filename as a separate argument. Like "-o that.o". > > D'oh, of course. However, I probably wouldn't miss any input file, because all of them are actually full arguments (i.e. nothing like -Idir for files). If the wrapper considers other files like in "-o that.o", this is not an issue, because it is unlikely that such files have been opened in a text editor, and directories are not an issue either since one can easily skip them. -- Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
