[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] Replace config file parser for "xl"
On 02/03/10 19:24, Ian Jackson wrote: This provides a replacement config file parser for "xl" based on bison and flex. Benefits: * proper error reporting with line numbers * parser can understand nearly all "xm" configuration files directly (doesn't understand Python code but should do everything else) * parser also understands the ;-infested "xl" style files * removes the dependency on libconfig * better checking for certain kinds of mistakes * eliminates the strange "massage file and try again" code This is intended to support all config files currently supported by "xl" and almost all files supported by "xm". (NB that whether a feature works depends on the implementation of that feature in xl/libxl of course.) This patch also introduces a new library "libxlutil" which is mainly for the benefit of "xl". Users of libxl do not need to use libxlutil, but they can do so if they want to parse "xl" files without being "xl". this is merely replacing a library dependency by a compilation dependency, plus the burden on maintaining a ad-hoc grammar. At least it would probably be useful to take the same approch as the linux kernel, i.e. checking bison/flex output in the repository to account for bison annoying volatility. however since it's well separated from libxl, Acked-by: Vincent Hanquez <vincent.hanquez@xxxxxxxxxxxxx> -- Vincent _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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