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Decl printer: fix CXXConstructExpr with implicit default argument 

Patch by Will Wilson.

llvm-svn: 173630
This commit is contained in:
Dmitri Gribenko 2013-01-27 21:28:24 +00:00
parent f2ecd40929
commit 6835e37cec
2 changed files with 28 additions and 3 deletions
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10
clang/lib/AST/DeclPrinter.cpp
View File

@ -646,9 +646,13 @@ void DeclPrinter::VisitVarDecl(VarDecl *D) {
Expr *Init = D->getInit();
if (!Policy.SuppressInitializers && Init) {
bool ImplicitInit = false;
if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init))
ImplicitInit = D->getInitStyle() == VarDecl::CallInit &&
Construct->getNumArgs() == 0 && !Construct->isListInitialization();
if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(Init)) {
if (D->getInitStyle() == VarDecl::CallInit &&
!Construct->isListInitialization()) {
ImplicitInit = Construct->getNumArgs() == 0 ||
Construct->getArg(0)->isDefaultArgument();
}
}
if (!ImplicitInit) {
if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
Out << "(";

21
clang/test/SemaCXX/ast-print.cpp
View File

@ -99,3 +99,24 @@ int test11() {
return test10::M::X<INT>::value;
}
struct DefaultArgClass
{
DefaultArgClass(int a = 1) {}
};
struct NoArgClass
{
NoArgClass() {}
};
// CHECK: test12
// CHECK-NEXT: DefaultArgClass useDefaultArg;
// CHECK-NEXT: DefaultArgClass overrideDefaultArg(1);
// CHECK-NEXT: NoArgClass noArg;
void test12() {
DefaultArgClass useDefaultArg;
DefaultArgClass overrideDefaultArg(1);
NoArgClass noArg;
}