libclang: add a function to check whether a member function is pure virtual
Patch by Seth Fowler.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182139 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index e575234..a824a9f 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -694,7 +694,8 @@
printf(" (static)");
if (clang_CXXMethod_isVirtual(Cursor))
printf(" (virtual)");
-
+ if (clang_CXXMethod_isPureVirtual(Cursor))
+ printf(" (pure)");
if (clang_Cursor_isVariadic(Cursor))
printf(" (variadic)");
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index db7faab..bd20800 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -6118,6 +6118,20 @@
//===----------------------------------------------------------------------===//
extern "C" {
+unsigned clang_CXXMethod_isPureVirtual(CXCursor C) {
+ if (!clang_isDeclaration(C.kind))
+ return 0;
+
+ const CXXMethodDecl *Method = 0;
+ const Decl *D = cxcursor::getCursorDecl(C);
+ if (const FunctionTemplateDecl *FunTmpl =
+ dyn_cast_or_null<FunctionTemplateDecl>(D))
+ Method = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
+ else
+ Method = dyn_cast_or_null<CXXMethodDecl>(D);
+ return (Method && Method->isVirtual() && Method->isPure()) ? 1 : 0;
+}
+
unsigned clang_CXXMethod_isStatic(CXCursor C) {
if (!clang_isDeclaration(C.kind))
return 0;
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index 0c9912e..4a134d9 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -2,6 +2,7 @@
clang_CXCursorSet_insert
clang_CXIndex_getGlobalOptions
clang_CXIndex_setGlobalOptions
+clang_CXXMethod_isPureVirtual
clang_CXXMethod_isStatic
clang_CXXMethod_isVirtual
clang_Cursor_getArgument