gamzinav/cling
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix extern "C" declarations not being called from .x command.

Browse Source 
This handles top-level declarations only (i.e. not nested in namespaces).
This commit is contained in:
Frederich Munch 2016-06-15 10:34:32 -04:00 committed by sftnight
parent 213ba748cd
commit 2bf05c5188
2 changed files with 34 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
lib/Interpreter/Transaction.cpp
View File

@ -62,12 +62,22 @@ namespace cling {
}
NamedDecl* Transaction::containsNamedDecl(llvm::StringRef name) const {
for (auto I = decls_begin(), E = decls_end(); I < E; ++I)
for (auto I = decls_begin(), E = decls_end(); I < E; ++I) {
for (auto DI : I->m_DGR) {
if (NamedDecl* ND = dyn_cast<NamedDecl>(DI))
if (NamedDecl* ND = dyn_cast<NamedDecl>(DI)) {
if (name.equals(ND->getNameAsString()))
return ND;
}
else if (LinkageSpecDecl* LSD = dyn_cast<LinkageSpecDecl>(DI)) {
for (Decl* DI : LSD->decls()) {
if (NamedDecl* ND = dyn_cast<NamedDecl>(DI)) {
if (name.equals(ND->getNameAsString()))
return ND;
}
}
}
}
}
return 0;
}

22
test/Lookup/linkageSpec.C Normal file
View File

@ -0,0 +1,22 @@
//------------------------------------------------------------------------------
// CLING - the C++ LLVM-based InterpreterG :)
//
// This file is dual-licensed: you can choose to license it under the University
// of Illinois Open Source License or the GNU Lesser General Public License. See
// LICENSE.TXT for details.
//------------------------------------------------------------------------------
// RUN: %cling %s -Xclang -verify 2>&1 | FileCheck %s
// This test assures that extern "C" declarations are usable via .x
extern "C" int printf(const char*, ...);
extern "C" int linkageSpec() {
printf("linkageSpec called %s\n", __FUNCTION__);
return 101;
}
// CHECK: linkageSpec called linkageSpec
// CHECK: (int) 101
// expected-no-diagnostics