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authorErik Faye-Lund <kusmabite@gmail.com>2013-12-17 16:37:33 +0100
committerCarl Worth <cworth@cworth.org>2014-01-02 15:57:41 -0800
commitb8be00e5f203cdf8a69d7283e6fdc872e80cf5c9 (patch)
treeee6e354e9e4c7f112ef92d928f023a3e2f2b5762 /src/getopt
parent347f1493320e1bc2194c70d4d66bfe2b5883bf1e (diff)
glcpp: error on multiple #else/#elif directives
The preprocessor currently accepts multiple else/elif-groups per if-section. The GLSL-preprocessor is defined by the C++ specification, which defines the following parse-rule: if-section: if-group elif-groups(opt) else-group(opt) endif-line This clearly only allows a single else-group, that has to come after any elif-groups. So let's modify the code to follow the specification. Add test to prevent regressions. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Carl Worth <cworth@cworth.org> Cc: 10.0 <mesa-stable@lists.freedesktop.org> (cherry picked from commit eb212c5a302f0122a13b36dfdf07e91f951ae2e7)
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