[libclang] Introduce a couple of functions to make it convenient
to get at the parameters (and their types) of a function or objc method cursor.

int clang_Cursor_getNumArguments(CXCursor C);
CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i);

rdar://11201527

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154523 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed