9 files changed, 43 insertions, 13 deletions
diff --git a/starts/meaning-vm/level-0/baseref.hpp b/starts/meaning-vm/level-0/baseref.hpp
index b6e98e8..90c33e1 100644
--- a/starts/meaning-vm/level-0/baseref.hpp
+++ b/starts/meaning-vm/level-0/baseref.hpp
@@ -149,7 +149,7 @@ public:
 		decltype(concept::links) & links;
 	};
 
-	void unlink(typename links_t::iterator & it) { p->unlink(it.underlying()); }
+	void unlink(typename links_t::iterator it) { p->unlink(it.underlying()); }
 	bool crucial(typename links_t::iterator it) { return self.p->crucial(it.underlying()); }
 	void setcrucial(typename links_t::iterator it) { self.p->setcrucial(it.underlying()); }
 };
diff --git a/starts/meaning-vm/level-0/concept.cpp b/starts/meaning-vm/level-0/concept.cpp
index 373b3b7..66e5af1 100644
--- a/starts/meaning-vm/level-0/concept.cpp
+++ b/starts/meaning-vm/level-0/concept.cpp
@@ -75,7 +75,7 @@ void concept::unlink(concept* type)
 	unlink(ls.first);
 }
 
-void concept::unlink(decltype(links)::iterator & it)
+void concept::unlink(decltype(links)::iterator it)
 {
 	if (crucialparts.count(it)) {
 		throw crucial_link_type_target(selfref, it->first, it->second);
diff --git a/starts/meaning-vm/level-0/concept.hpp b/starts/meaning-vm/level-0/concept.hpp
index e885ccf..833e417 100644
--- a/starts/meaning-vm/level-0/concept.hpp
+++ b/starts/meaning-vm/level-0/concept.hpp
@@ -24,7 +24,7 @@ struct concept
 	void link(concept* type, concept* target);
 	void unlink(concept* type, concept* target);
 	void unlink(concept* type);
-	void unlink(decltype(links)::iterator & it);
+	void unlink(decltype(links)::iterator it);
 
 	bool crucial() { return iscrucial || crucialparts.size(); }
 	bool crucial(concept* type, concept* target);
diff --git a/starts/meaning-vm/level-0/memorystore.cpp b/starts/meaning-vm/level-0/memorystore.cpp
index 1d9e9f6..24e91b0 100644
--- a/starts/meaning-vm/level-0/memorystore.cpp
+++ b/starts/meaning-vm/level-0/memorystore.cpp
@@ -155,6 +155,7 @@ void dealloc(ref r, ref source)
 	if (r.linked(concepts::allocator())) { return; }
 
 	try {
+		if (r.crucial()) { throw crucial_concept(r); }
 		dealloc_from(r);
 		concept * referenced = intellect::level0::referenced(r, source);
 		if (referenced) {
diff --git a/starts/meaning-vm/level-0/ref.cpp b/starts/meaning-vm/level-0/ref.cpp
index 87e911a..513d3ce 100644
--- a/starts/meaning-vm/level-0/ref.cpp
+++ b/starts/meaning-vm/level-0/ref.cpp
@@ -3,7 +3,9 @@
 #include "errors.hpp"
 #include "memorystore.hpp"
 
+#include <iomanip>
 #include <ostream>
+#include <sstream>
 
 using namespace intellect::level0;
 using namespace concepts;
@@ -13,10 +15,11 @@ std::string ref::dump(ref skipmarkertype, ref skipmarkertarget)
 	if (self.linked(skipmarkertype, skipmarkertarget)) {
 		return {};
 	}
-	std::string ret = std::to_string((unsigned long)ptr()) + ":\n";
+	std::stringstream ss;
+	ss << std::hex << (size_t)ptr() << ":" << std::endl;
 	for (auto & link : self.links()) {
 		if (link.first.linked(allocator(), level0allocations())) { continue; }
-		ret += "  " + std::to_string((unsigned long)link.first.ptr()) + ": " + std::to_string((unsigned long)link.second.ptr()) + "\n"; 
+		ss << "  " << (size_t)link.first.ptr() << ": " << (size_t)link.second.ptr() << std::endl;
 	}
 	self.link(skipmarkertype, skipmarkertarget);
 	for (auto & link : self.links()) {
@@ -24,7 +27,7 @@ std::string ref::dump(ref skipmarkertype, ref skipmarkertarget)
 		if (link.first == skipmarkertype && link.second == skipmarkertarget) {
 			continue;
 		}
-		ret += link.second.dump(skipmarkertype, skipmarkertarget);
+		ss << link.second.dump(skipmarkertype, skipmarkertarget);
 	}
-	return ret;
+	return ss.str();
 }
diff --git a/starts/meaning-vm/level-2/funcs.cpp b/starts/meaning-vm/level-2/funcs.cpp
index 3ecedb3..b11413f 100644
--- a/starts/meaning-vm/level-2/funcs.cpp
+++ b/starts/meaning-vm/level-2/funcs.cpp
@@ -21,6 +21,7 @@ ref makehabit(ref name, std::initializer_list<ref> argnames, std::function<void(
 	ref habit = level1::a(concepts::habit, name);
 	ref infn = a(habit-information-needed);
 	habit.set(information-needed, infn);
+	//habit.set(concepts::habit, concepts::habit);
 	ref posinf = infn;
 	for (auto argname : argnames) {
 		ref nextinf = a(habit-information);
diff --git a/starts/meaning-vm/level-2/habits.cpp b/starts/meaning-vm/level-2/habits.cpp
index dfb9014..4900daf 100644
--- a/starts/meaning-vm/level-2/habits.cpp
+++ b/starts/meaning-vm/level-2/habits.cpp
@@ -189,12 +189,12 @@ int createhabits()
 	ahabit(list-entry-unmake, ((list-entry, le)),
 	{
 		ref prev = (list-entry-previous)(le);
-		ref next = (list-entry-next)(le);
+		ref n = (list-entry-next)(le);
 		if (prev != nothing) {
-			set(prev, "next", next);
+			set(prev, next, n);
 		}
 		if (next != nothing) {
-			set(next, "previous", prev);
+			set(n, previous, prev);
 		}
 		(concept-unmake)(le);
 	});
diff --git a/starts/meaning-vm/level0.cpp b/starts/meaning-vm/level0.cpp
index add6689..6beb789 100644
--- a/starts/meaning-vm/level0.cpp
+++ b/starts/meaning-vm/level0.cpp
@@ -5,7 +5,7 @@
 
 using namespace intellect::level0;
 
-#define out(name) std::cout << " " #name ":" << (long)name.ptr()
+#define out(name) std::cout << " " #name ":" << std::hex << (size_t)name.ptr() << std::dec
 
 int main()
 {
@@ -41,9 +41,34 @@ int main()
 	std::cout << "Code:  "; a.vget<std::function<void()>>(codelink)();
 
 	std::cout << allocated() << " allocated" << std::endl;
+	
+	a.get(codelink).setcrucial();
+	try {
+		dealloc(a.get(codelink), a);
+		throw "deallocd crucial concept";
+	} catch (crucial_concept e) {
+		realloc(a.get(codelink), concepts::level0allocations());
+	}
+	a.setcrucial(codelink, a.get(codelink));
+	try {
+		a.unlink(codelink);
+		throw "unlinkd crucial link";
+	} catch (crucial_link_type_target e) {
+		realloc(a, concepts::level0allocations());
+		realloc(codelink, concepts::level0allocations());
+	}
+
+	for (auto c : { a, a.get(codelink) } )
+	for (auto it = c.links().begin(); it != c.links().end();) {
+		if (!c.crucial(it) && !it->first.linked(concepts::allocator(), concepts::level0allocations())) {
+			c.unlink(it++);
+		} else {
+			++ it;
+		}
+	}
 
 	e.unlink(b, a);
-	dealloc(a, store);
+	//dealloc(a, store);
 	dealloc(store, concepts::allocations());
 
 	std::cout << allocated() << " allocated" << std::endl;
diff --git a/starts/meaning-vm/makefile b/starts/meaning-vm/makefile
index 243ab85..0a9738c 100644
--- a/starts/meaning-vm/makefile
+++ b/starts/meaning-vm/makefile
@@ -24,7 +24,7 @@ level-1/%.ii: $(wildcard level-0/*.hpp) $(wildcard level-1/*.hpp)
 level-2/%.ii: $(wildcard level-0/*.hpp) $(wildcard level-1/*.hpp) $(wildcard level-2/*.hpp)
 
 %.a:
-	ar ru $@ $^
+	ar cr $@ $^
 	ranlib $@
 
 clean: