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libclang: add a function to check whether a member function is pure virtual

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Patch by Seth Fowler.

llvm-svn: 182139
This commit is contained in:
Dmitri Gribenko 2013-05-17 18:38:35 +00:00
parent 858885578d
commit 62770bea4b
6 changed files with 34 additions and 1 deletions
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4
clang/bindings/python/clang/cindex.py
View File

@ -2590,6 +2590,10 @@ functionList = [
[Index, c_char_p],
c_object_p),
("clang_CXXMethod_isPureVirtual",
[Cursor],
bool),
("clang_CXXMethod_isStatic",
[Cursor],
bool),

6
clang/include/clang-c/Index.h
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@ -4034,6 +4034,12 @@ CINDEX_LINKAGE CXString clang_FullComment_getAsXML(CXComment Comment);
* @{
*/
/**
* \brief Determine if a C++ member function or member function template is
* pure virtual.
*/
CINDEX_LINKAGE unsigned clang_CXXMethod_isPureVirtual(CXCursor C);
/**
* \brief Determine if a C++ member function or member function template is
* declared 'static'.

7
clang/test/Index/overrides.cpp
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@ -17,7 +17,14 @@ struct D : C {
void C::g() {}
struct E {
virtual void h() = 0;
template <typename T> void i(T);
};
// RUN: c-index-test -test-load-source local %s | FileCheck %s
// CHECK: overrides.cpp:11:16: CXXMethod=g:11:16 (virtual) [Overrides @7:16] Extent=[11:3 - 11:19]
// CHECK: overrides.cpp:15:16: CXXMethod=f:15:16 (virtual) [Overrides @2:16, @6:16] Extent=[15:3 - 15:22]
// CHECK: overrides.cpp:18:9: CXXMethod=g:18:9 (Definition) (virtual) [Overrides @7:16] Extent=[18:1 - 18:15]
// CHECK: overrides.cpp:21:16: CXXMethod=h:21:16 (virtual) (pure) Extent=[21:3 - 21:23]
// CHECK: overrides.cpp:22:30: FunctionTemplate=i:22:30 Extent=[22:3 - 22:34]

3
clang/tools/c-index-test/c-index-test.c
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@ -694,7 +694,8 @@ static void PrintCursor(CXCursor Cursor,
printf(" (static)");
if (clang_CXXMethod_isVirtual(Cursor))
printf(" (virtual)");
if (clang_CXXMethod_isPureVirtual(Cursor))
printf(" (pure)");
if (clang_Cursor_isVariadic(Cursor))
printf(" (variadic)");

14
clang/tools/libclang/CIndex.cpp
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@ -6118,6 +6118,20 @@ CXFile clang_Module_getTopLevelHeader(CXTranslationUnit TU,
//===----------------------------------------------------------------------===//
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;

1
clang/tools/libclang/libclang.exports
View File

@ -2,6 +2,7 @@ clang_CXCursorSet_contains
clang_CXCursorSet_insert
clang_CXIndex_getGlobalOptions
clang_CXIndex_setGlobalOptions
clang_CXXMethod_isPureVirtual
clang_CXXMethod_isStatic
clang_CXXMethod_isVirtual
clang_Cursor_getArgument