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Add -ast-dump support for new and delete expressions to help figure out which operator got selected 

llvm-svn: 232740
This commit is contained in:
Reid Kleckner 2015-03-19 18:09:25 +00:00
parent e4f77deaeb
commit 5c682bc4b8
2 changed files with 41 additions and 0 deletions
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24
clang/lib/AST/ASTDumper.cpp
View File

@ -508,6 +508,8 @@ namespace {
void VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *Node);
void VisitCXXConstructExpr(const CXXConstructExpr *Node);
void VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *Node);
void VisitCXXNewExpr(const CXXNewExpr *Node);
void VisitCXXDeleteExpr(const CXXDeleteExpr *Node);
void VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *Node);
void VisitExprWithCleanups(const ExprWithCleanups *Node);
void VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *Node);
@ -1917,6 +1919,28 @@ void ASTDumper::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *Node) {
dumpCXXTemporary(Node->getTemporary());
}
void ASTDumper::VisitCXXNewExpr(const CXXNewExpr *Node) {
VisitExpr(Node);
OS << ' ';
if (Node->isGlobalNew())
OS << "global ";
if (Node->isArray())
OS << "array ";
dumpBareDeclRef(Node->getOperatorNew());
// We could dump the deallocation function used in case of error, but it's
// usually not that interesting.
}
void ASTDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *Node) {
VisitExpr(Node);
OS << ' ';
if (Node->isGlobalDelete())
OS << "global ";
if (Node->isArrayForm())
OS << "array ";
dumpBareDeclRef(Node->getOperatorDelete());
}
void
ASTDumper::VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *Node) {
VisitExpr(Node);

17
clang/test/Misc/ast-dump-stmt.cpp
View File

@ -38,3 +38,20 @@ void TestCatch2() {
catch (...) {
}
}
void TestAllocationExprs() {
int *p;
p = new int;
delete p;
p = new int[2];
delete[] p;
p = ::new int;
::delete p;
}
// CHECK: FunctionDecl {{.*}} TestAllocationExprs
// CHECK: CXXNewExpr {{.*}} 'int *' Function {{.*}} 'operator new'
// CHECK: CXXDeleteExpr {{.*}} 'void' Function {{.*}} 'operator delete'
// CHECK: CXXNewExpr {{.*}} 'int *' array Function {{.*}} 'operator new[]'
// CHECK: CXXDeleteExpr {{.*}} 'void' array Function {{.*}} 'operator delete[]'
// CHECK: CXXNewExpr {{.*}} 'int *' global Function {{.*}} 'operator new'
// CHECK: CXXDeleteExpr {{.*}} 'void' global Function {{.*}} 'operator delete'