libclang: expose dllexport, dllimport attributes

These attributes were previously unexposed.  Expose them through the libclang
interfaces.  Add tests that cover both the MSVC spelling and the GNU spelling.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@255273 91177308-0d34-0410-b5e6-96231b3b80d8

Author: compnerd

bindings/python/clang/cindex.py

@@ -1102,6 +1102,9 @@ def __repr__(self):
 
 CursorKind.VISIBILITY_ATTR = CursorKind(417)
 
+CursorKind.DLLEXPORT_ATTR = CursorKind(418)
+CursorKind.DLLIMPORT_ATTR = CursorKind(419)
+
 ###
 # Preprocessing
 CursorKind.PREPROCESSING_DIRECTIVE = CursorKind(500)

include/clang-c/Index.h

@@ -32,7 +32,7 @@
  * compatible, thus CINDEX_VERSION_MAJOR is expected to remain stable.
  */
 #define CINDEX_VERSION_MAJOR 0
-#define CINDEX_VERSION_MINOR 31
+#define CINDEX_VERSION_MINOR 32
 
 #define CINDEX_VERSION_ENCODE(major, minor) ( \
       ((major) * 10000)                       \
@@ -2297,7 +2297,9 @@ enum CXCursorKind {
   CXCursor_CUDAHostAttr                  = 415,
   CXCursor_CUDASharedAttr                = 416,
   CXCursor_VisibilityAttr                = 417,
-  CXCursor_LastAttr                      = CXCursor_VisibilityAttr,
+  CXCursor_DLLExport                     = 418,
+  CXCursor_DLLImport                     = 419,
+  CXCursor_LastAttr                      = CXCursor_DLLImport,
 
   /* Preprocessing */
   CXCursor_PreprocessingDirective        = 500,

test/Index/index-attrs.c

@@ -0,0 +1,16 @@
+// RUN: c-index-test -index-file -check-prefix CHECK %s -target armv7-windows-gnu -fdeclspec
+
+void __declspec(dllexport) export_function(void) {}
+// CHECK: [indexDeclaraton]: kind: function | name: export_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllexport)
+void __attribute__((dllexport)) export_gnu_attribute(void) {}
+// CHECK: [indexDeclaration] kind: function | name: export_gnu_attribute | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllexport)
+
+void __declspec(dllimport) import_function(void);
+// CHECK: [indexDeclaration] kind: function | name: import_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllimport)
+void __attribute__((dllimport)) import_gnu_attribute(void);
+// CHECK: [indexDeclaration] kind: function | name: import_gnu_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllimport)
+

test/Index/index-attrs.cpp

@@ -0,0 +1,50 @@
+// RUN: c-index-test -index-file -check-prefix CHECK %s -target armv7-windows-gnu -fdeclspec
+
+struct __declspec(dllexport) export_s {
+  void m();
+};
+// CHECK: [indexDeclaration]: kind: struct | name: export_s | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllexport)
+// CHECK: [indexDeclaration]: kind: c++-instance-method | name: m | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllexport)
+
+struct __declspec(dllimport) import_s {
+  void m();
+};
+// CHECK: [indexDeclaration]: kind: struct | name: import_s | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllimport)
+// CHECK: [indexDeclaration]: kind: c++-instance-method | name: m | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllimport)
+
+class __attribute__((dllexport)) export_gnu_s {
+  void m();
+};
+// CHECK: [indexDeclaration]: kind: struct | name: export_gnu_s | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllexport)
+// CHECK: [indexDeclaration]: kind: c++-instance-method | name: m | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllexport)
+
+class __attribute__((dllimport)) import_gnu_s {
+  void m();
+};
+// CHECK: [indexDeclaration]: kind: struct | name: import_gnu_s | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllimport)
+// CHECK: [indexDeclaration]: kind: c++-instance-method | name: m | {{.*}} | lang: C++
+// CHECK: <attribute>: attribute(dllimport)
+
+extern "C" void __declspec(dllexport) export_function(void) {}
+// CHECK: [indexDeclaraton]: kind: function | name: export_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllexport)
+extern "C" void __attribute__((dllexport)) export_gnu_function(void) {}
+// CHECK: [indexDeclaraton]: kind: function | name: export_gnu_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllexport)
+
+extern "C" {
+void __declspec(dllimport) import_function(void);
+// CHECK: [indexDeclaration] kind: function | name: import_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllimport)
+void __attribute__((dllimport)) import_gnu_function(void);
+// CHECK: [indexDeclaration] kind: function | name: import_gnu_function | {{.*}} | lang: C
+// CHECK: <attribute>: attribute(dllimport)
+}
+

tools/libclang/CIndex.cpp

@@ -4389,6 +4389,10 @@ CXString clang_getCursorKindSpelling(enum CXCursorKind Kind) {
     return cxstring::createRef("attribute(shared)");
   case CXCursor_VisibilityAttr:
     return cxstring::createRef("attribute(visibility)");
+  case CXCursor_DLLExport:
+    return cxstring::createRef("attribute(dllexport)");
+  case CXCursor_DLLImport:
+    return cxstring::createRef("attribute(dllimport)");
   case CXCursor_PreprocessingDirective:
     return cxstring::createRef("preprocessing directive");
   case CXCursor_MacroDefinition:

tools/libclang/CXCursor.cpp

@@ -59,6 +59,8 @@ static CXCursorKind GetCursorKind(const Attr *A) {
     case attr::CUDAHost: return CXCursor_CUDAHostAttr;
     case attr::CUDAShared: return CXCursor_CUDASharedAttr;
     case attr::Visibility: return CXCursor_VisibilityAttr;
+    case attr::DLLExport: return CXCursor_DLLExport;
+    case attr::DLLImport: return CXCursor_DLLImport;
   }
 
   return CXCursor_UnexposedAttr;