[preprocessor] Add an opportunity to retain excluded conditional blocks
It is handy for clang tooling, for instance, in source to source transformation.
Reviewers: vpykhtin (Valery Pykhtin), erichkeane (Erich Keane)
Subscribers: rsmith (Richard Smith), akyrtzi (Argyrios Kyrtzidis)
Tags: #clang
Differential Revision: https://reviews.llvm.org/D66597
llvm-svn: 370123
diff --git a/clang/include/clang-c/Index.h b/clang/include/clang-c/Index.h
index 74badac..bdce233 100644
--- a/clang/include/clang-c/Index.h
+++ b/clang/include/clang-c/Index.h
@@ -1356,7 +1356,12 @@
* the case where these warnings are not of interest, as for an IDE for
* example, which typically shows only the diagnostics in the main file.
*/
- CXTranslationUnit_IgnoreNonErrorsFromIncludedFiles = 0x4000
+ CXTranslationUnit_IgnoreNonErrorsFromIncludedFiles = 0x4000,
+
+ /**
+ * Tells the preprocessor not to skip excluded conditional blocks.
+ */
+ CXTranslationUnit_RetainExcludedConditionalBlocks = 0x8000,
};
/**