[PATCH] D27005: [lit] Support custom parsers in parseIntegratedTestScript
Eric Fiselier via cfe-commits
cfe-commits at lists.llvm.org
Tue Nov 22 15:24:31 PST 2016
EricWF created this revision.
EricWF added reviewers: ddunbar, modocache, rnk, danalbert, jroelofs.
EricWF added subscribers: cfe-commits, llvm-commits.
Libc++ frequently has the need to parse more than just the builtin *test keywords* (`RUN`, `REQUIRES`, `XFAIL`, ect). For example libc++ currently needs a new keyword `MODULES-DEFINES: macro list...`. Instead of re-implementing the script parsing in libc++ this patch allows `parseIntegratedTestScript` to take custom parsers.
This patch introduces a new class `IntegratedTestKeywordParser` which implements the logic to parse/process a test keyword. Parsing of various keyword "kinds" are supported out of the box, including 'TAG', 'COMMAND', and 'LIST', which parse keywords such as `END.`, `RUN:` and `XFAIL:` respectively.
As an example after this change libc++ can implement the `MODULES-DEFINES` simply using:
mparser = IntegratedTestKeywordParser('MODULES-DEFINES:', ParserKind.LIST)
macro_list = mparser.getValue()
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