diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libexpr/eval.cc | 8 | ||||
| -rw-r--r-- | src/libexpr/value.hh | 5 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index f963a42ca..2f5b1db47 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -22,6 +22,8 @@ #if HAVE_BOEHMGC +#define GC_INCLUDE_NEW + #include <gc/gc.h> #include <gc/gc_cpp.h> @@ -56,6 +58,12 @@ static char * dupStringWithLen(const char * s, size_t size) } +RootValue allocRootValue(Value * v) +{ + return std::allocate_shared<Value *>(traceable_allocator<Value *>(), v); +} + + static void printValue(std::ostream & str, std::set<const Value *> & active, const Value & v) { checkInterrupt(); diff --git a/src/libexpr/value.hh b/src/libexpr/value.hh index 689373873..9cf2bf06a 100644 --- a/src/libexpr/value.hh +++ b/src/libexpr/value.hh @@ -261,4 +261,9 @@ typedef std::map<Symbol, Value *> ValueMap; #endif +/* A value allocated in traceable memory. */ +typedef std::shared_ptr<Value *> RootValue; + +RootValue allocRootValue(Value * v); + } |