Commit Graph

5 Commits

Author SHA1 Message Date
Hans Wennborg
9dd8c0cffe Option parsing: add support for alias arguments.
This makes option aliases more powerful by enabling them to
pass along arguments to the option they're aliasing.

For example, if we have a joined option "-foo=", we can now
specify a flag option "-bar" to be an alias of that, with the
argument "baz".

This is especially useful for the cl.exe compatible clang driver,
where many options are aliases. For example, this patch enables
us to alias "/Ox" to "-O3" (-O is a joined option), and "/WX" to
"-Werror" (again, -W is a joined option).

Differential Revision: http://llvm-reviews.chandlerc.com/D1245

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187537 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-31 22:44:41 +00:00
Reid Kleckner
a2549d3827 [Option] Add inclusion and exclusion flags to option parsing
Summary:
This allows the clang driver to put MSVC compatible options in the same
enumerator space as its normal options but exclude them from normal
option parsing.

Also changes the standard ParseArgs() method to consider unknown
arguments with a leading slash as being inputs rather than flags.

High level discussion for clang-cl is here:
http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-June/030404.html

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1049

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186703 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-19 18:04:57 +00:00
Reid Kleckner
1ee21dc1e1 Merge changes to clang's Driver code into LLVM's Option library
This is in preparation for switching the clang driver over to using LLVM's
Option library.  Richard Smith introduced most of these changes to the clang
driver in r167638.

Reviewers: espindola on IRC

Differential Revision: http://llvm-reviews.chandlerc.com/D970

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183925 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-13 18:12:12 +00:00
Jakub Staszak
674be02d52 Fix include guards so they exactly match file names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10 00:45:19 +00:00
Michael J. Spencer
96a564f2be Copy clang/Driver/<Option parsing stuff> to llvm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05 00:29:32 +00:00