[Lex] Add support for 'user specified system frameworks' (see test case).

 - Developers of system frameworks need a way for their framework to be treated as a "system framework" during development. Otherwise, they are unable to properly test how their framework behaves when installed because of the semantic changes (in warning behavior) applied to system frameworks.

llvm-svn: 154105

3 files changed, 9 insertions, 0 deletions

diff --git a/clang/test/Preprocessor/Inputs/TestFramework.framework/.system_framework b/clang/test/Preprocessor/Inputs/TestFramework.framework/.system_framework
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/clang/test/Preprocessor/Inputs/TestFramework.framework/.system_framework
diff --git a/clang/test/Preprocessor/Inputs/TestFramework.framework/Frameworks/AnotherTestFramework.framework/Headers/AnotherTestFramework.h b/clang/test/Preprocessor/Inputs/TestFramework.framework/Frameworks/AnotherTestFramework.framework/Headers/AnotherTestFramework.h
new file mode 100644
index 00000000000..489f17a729f
--- /dev/null
+++ b/clang/test/Preprocessor/Inputs/TestFramework.framework/Frameworks/AnotherTestFramework.framework/Headers/AnotherTestFramework.h
@@ -0,0 +1,3 @@
+static inline int another_test_framework_func(unsigned a) {
+  return a;
+}
diff --git a/clang/test/Preprocessor/Inputs/TestFramework.framework/Headers/TestFramework.h b/clang/test/Preprocessor/Inputs/TestFramework.framework/Headers/TestFramework.h
new file mode 100644
index 00000000000..06f9ab545d6
--- /dev/null
+++ b/clang/test/Preprocessor/Inputs/TestFramework.framework/Headers/TestFramework.h
@@ -0,0 +1,6 @@
+// Include a subframework header.
+#include <AnotherTestFramework/AnotherTestFramework.h>
+
+static inline int test_framework_func(unsigned a) {
+  return a;
+}