modern objective-c translator. Fixes a translation bug when
first ivar in the list is a bitfield.
// rdar://11229770
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154534 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Rewrite/RewriteModernObjC.cpp b/lib/Rewrite/RewriteModernObjC.cpp
index 4be7eb8..fd433f8 100644
--- a/lib/Rewrite/RewriteModernObjC.cpp
+++ b/lib/Rewrite/RewriteModernObjC.cpp
@@ -6416,7 +6416,8 @@
}
}
-static void Write_IvarOffsetVar(ASTContext *Context,
+static void Write_IvarOffsetVar(RewriteModernObjC &RewriteObj,
+ ASTContext *Context,
std::string &Result,
ArrayRef<ObjCIvarDecl *> Ivars,
ObjCInterfaceDecl *CDecl) {
@@ -6446,17 +6447,8 @@
WriteInternalIvarName(CDecl, IvarDecl, Result);
Result += " __attribute__ ((used, section (\"__DATA,__objc_ivar\")))";
Result += " = ";
- if (IvarDecl->isBitField()) {
- // FIXME: The hack below doesn't work for bitfields. For now, we simply
- // place all bitfields at offset 0.
- Result += "0;\n";
- }
- else {
- Result += "__OFFSETOFIVAR__(struct ";
- Result += CDecl->getNameAsString();
- Result += "_IMPL, ";
- Result += IvarDecl->getName(); Result += ");\n";
- }
+ RewriteObj.RewriteIvarOffsetComputation(IvarDecl, Result);
+ Result += ";\n";
}
}
@@ -6466,7 +6458,7 @@
StringRef VarName,
ObjCInterfaceDecl *CDecl) {
if (Ivars.size() > 0) {
- Write_IvarOffsetVar(Context, Result, Ivars, CDecl);
+ Write_IvarOffsetVar(RewriteObj, Context, Result, Ivars, CDecl);
Result += "\nstatic ";
Write__ivar_list_t_TypeDecl(Result, Ivars.size());
@@ -6875,11 +6867,7 @@
ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin();
if (IVD) {
- InstanceStart += "__OFFSETOFIVAR__(struct ";
- InstanceStart += CDecl->getNameAsString();
- InstanceStart += "_IMPL, ";
- InstanceStart += IVD->getNameAsString();
- InstanceStart += ")";
+ RewriteIvarOffsetComputation(IVD, InstanceStart);
}
else
InstanceStart = InstanceSize;
diff --git a/test/Rewriter/rewrite-modern-ivars-2.mm b/test/Rewriter/rewrite-modern-ivars-2.mm
index 643d451..0faed5c 100644
--- a/test/Rewriter/rewrite-modern-ivars-2.mm
+++ b/test/Rewriter/rewrite-modern-ivars-2.mm
@@ -71,3 +71,31 @@
@implementation NSFileLocationComponent @end
+// rdar://11229770
+
+@interface Foo {
+ int bar:26;
+}
+@end
+
+@implementation Foo
+@end
+
+@interface Foo1 {
+ int bar:26;
+ int bar2:4;
+}
+@end
+
+@implementation Foo1
+@end
+
+@interface Foo3 {
+ int foo;
+ int bar:26;
+}
+@end
+
+@implementation Foo3
+@end
+