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-rw-r--r--includes/BLua.h54
-rw-r--r--includes/Exceptions.h2
-rw-r--r--includes/Task.h8
3 files changed, 17 insertions, 47 deletions
diff --git a/includes/BLua.h b/includes/BLua.h
index 8f0993f..40e89bd 100644
--- a/includes/BLua.h
+++ b/includes/BLua.h
@@ -79,6 +79,7 @@ class Lua {
Lua();
Lua(lua_State * __L) : L(__L) { }
Lua(Lua && oL) : L(oL.L) { oL.L = NULL; }
+ Lua(const Lua & oL) : L(oL.L) { }
Lua & operator=(Lua && oL);
@@ -96,7 +97,7 @@ class Lua {
void open_bit();
void open_jit();
void open_ffi();
- int wrap_open(openlualib_t open) { int n = gettop(); int r = open(L); while (n < gettop()) remove(n); return r; }
+ int wrap_open(openlualib_t open) { int n = gettop(); int r = open(L); while (n < gettop()) pop(); return r; }
void openlib(const String & libname, const struct luaL_reg *l, int nup) { luaL_openlib(L, libname.to_charp(), l, nup); }
void setCallWrap(lua_CallWrapper wrapper);
@@ -118,10 +119,10 @@ class Lua {
int checkstack(int extra = 1) { return lua_checkstack(L, extra); }
int next(int t = -2) { return lua_next(L, t); }
- void copy(int n = -1) { checkstack(); lua_pushvalue(L, n); }
- void remove(int n = 1) { lua_remove(L, n); }
- void insert(int n = 1) { checkstack(); lua_insert(L, n); }
- void replace(int n = 1) { lua_replace(L, n); }
+ void copy(int i = -1) { checkstack(); lua_pushvalue(L, i); }
+ void remove(int i = 1) { lua_remove(L, i); }
+ void insert(int i = 1) { checkstack(); lua_insert(L, i); }
+ void replace(int i = 1) { lua_replace(L, i); }
void newtable() { checkstack(); lua_newtable(L); }
void * newuser(size_t s) { checkstack(); return lua_newuserdata(L, s); }
void settable(int tableIdx = -3, bool raw = false);
@@ -161,6 +162,7 @@ class Lua {
void dumpvars(IO<Handle> out, const String & prefix, int idx = -1);
Lua thread(bool saveit = true);
int yield(int nresults = 0) { return lua_yield(L, nresults); }
+ int yield(Future<int>) throw (GeneralException) __attribute__((noreturn));
bool yielded() { return lua_status(L) == LUA_YIELD; }
bool resume(int nargs = 0) throw (GeneralException);
void showstack(int level = M_INFO);
@@ -191,14 +193,14 @@ class Lua {
protected:
private:
+ void dumpvars_i(IO<Handle> out, const String & prefix, int idx);
void dumpvars_r(IO<Handle> out, int idx, int depth = 0) throw (GeneralException);
+ bool resumeC();
+ bool yieldC() throw (GeneralException);
lua_State * L;
friend class LuaStatics;
-
- Lua & operator=(const Lua &) = delete;
- Lua(const Lua &) = delete;
};
class LuaException : public GeneralException {
@@ -339,16 +341,8 @@ template <class T>
T * LuaObjectFactory::getMe(Lua & L, int idx) { return L.recast<T>(idx); }
class LuaHelpersBase {
- public:
- static bool resume(Lua & L);
- static Events::BaseEvent * getEvent(Lua & L);
protected:
static void validate(const lua_functypes_t & entry, bool method, int n, Lua & L, const char * className);
- static void pushContext(Lua & L, std::function<int(Lua & L)> context, Events::BaseEvent * evt);
- private:
- LuaHelpersBase(std::function<int(Lua & L)> context, Events::BaseEvent * evt) : m_context(context), m_evt(evt) { }
- std::function<int(Lua & L)> m_context;
- Events::BaseEvent * m_evt;
};
template <class T>
@@ -375,34 +369,6 @@ class LuaHelpers : public LuaHelpersBase {
private:
static int method_multiplex(int caller, Lua & L, proceed_t proceed, proceed_static_t proceed_static, lua_functypes_t * tab, bool method) {
- int r;
-
- try {
- r = method_multiplex_internal(caller, L, proceed, proceed_static, tab, method);
- }
- catch (EAgain & e) {
- pushContext(L, [caller, proceed, proceed_static, tab, method](Lua & L) -> int { return method_multiplex_resume(caller, L, proceed, proceed_static, tab, method); }, e.getEvent());
- r = L.yield(L.gettop());
- }
-
- return r;
- }
-
- static int method_multiplex_resume(int caller, Lua & L, proceed_t proceed, proceed_static_t proceed_static, lua_functypes_t * tab, bool method) {
- int r;
-
- try {
- r = method_multiplex_internal(caller, L, proceed, proceed_static, tab, method);
- }
- catch (EAgain & e) {
- pushContext(L, [caller, proceed, proceed_static, tab, method](Lua & L) -> int { return method_multiplex_resume(caller, L, proceed, proceed_static, tab, method); }, e.getEvent());
- r = -1;
- }
-
- return r;
- }
-
- static int method_multiplex_internal(int caller, Lua & L, proceed_t proceed, proceed_static_t proceed_static, lua_functypes_t * tab, bool method) {
int add = method ? 1 : 0;
int n = L.gettop() - add;
T * obj = 0;
diff --git a/includes/Exceptions.h b/includes/Exceptions.h
index 2d452cc..729f523 100644
--- a/includes/Exceptions.h
+++ b/includes/Exceptions.h
@@ -34,7 +34,7 @@ class GeneralException {
const std::vector<String> getTrace() const { return m_trace; }
protected:
- GeneralException() { }
+ explicit GeneralException() { }
void setMsg(char * msg) { if (m_msg) free(m_msg); m_msg = msg; }
void genTrace();
diff --git a/includes/Task.h b/includes/Task.h
index 4334ad2..3219397 100644
--- a/includes/Task.h
+++ b/includes/Task.h
@@ -269,8 +269,10 @@ class Future {
R get();
void run();
private:
+ friend class Lua;
func_t m_func;
Events::BaseEvent * m_evt = NULL;
+ bool m_ranOnce = false;
};
template<class R>
@@ -278,9 +280,10 @@ R Future<R>::get() {
R r;
for (;;) {
if (m_evt && !m_evt->gotSignal())
- continue;
+ Task::operationYield(m_evt, Task::INTERRUPTIBLE);
m_evt = NULL;
try {
+ m_ranOnce = true;
r = m_func();
return r;
}
@@ -295,9 +298,10 @@ template<class R>
void Future<R>::run() {
for (;;) {
if (m_evt && !m_evt->gotSignal())
- continue;
+ Task::operationYield(m_evt, Task::INTERRUPTIBLE);
m_evt = NULL;
try {
+ m_ranOnce = true;
m_func();
return;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 21:39:11 +0000