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-rw-r--r--src/Bindings/LuaState.cpp26
-rw-r--r--src/Bindings/LuaState.h98
-rw-r--r--src/Bindings/ManualBindings.cpp98
3 files changed, 103 insertions, 119 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 83351591c..1dd2b4dd8 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -264,27 +264,26 @@ bool cLuaState::PushFunction(int a_FnRef)
-bool cLuaState::PushFunctionFromRefTable(cRef & a_TableRef, const char * a_FnName)
+bool cLuaState::PushFunction(const cTableRef & a_TableRef)
{
ASSERT(IsValid());
ASSERT(m_NumCurrentFunctionArgs == -1); // If not, there's already something pushed onto the stack
-
- lua_rawgeti(m_LuaState, LUA_REGISTRYINDEX, a_TableRef); // Get the table ref
+
+ lua_rawgeti(m_LuaState, LUA_REGISTRYINDEX, a_TableRef.GetTableRef()); // Get the table ref
if (!lua_istable(m_LuaState, -1))
{
// Not a table, bail out
lua_pop(m_LuaState, 1);
return false;
}
- lua_getfield(m_LuaState, -1, a_FnName);
+ lua_getfield(m_LuaState, -1, a_TableRef.GetFnName());
if (lua_isnil(m_LuaState, -1) || !lua_isfunction(m_LuaState, -1))
{
// Not a valid function, bail out
lua_pop(m_LuaState, 2);
return false;
}
- lua_remove(m_LuaState, -2); // Remove the table ref from the stack
- m_CurrentFunctionName = "<table_callback>";
+ Printf(m_CurrentFunctionName, "<table-callback %s>", a_TableRef.GetFnName());
m_NumCurrentFunctionArgs = 0;
return true;
}
@@ -964,15 +963,24 @@ bool cLuaState::ReportErrors(lua_State * a_LuaState, int a_Status)
void cLuaState::LogStackTrace(void)
{
+ LogStackTrace(m_LuaState);
+}
+
+
+
+
+
+void cLuaState::LogStackTrace(lua_State * a_LuaState)
+{
LOGWARNING("Stack trace:");
lua_Debug entry;
int depth = 0;
- while (lua_getstack(m_LuaState, depth, &entry))
+ while (lua_getstack(a_LuaState, depth, &entry))
{
- int status = lua_getinfo(m_LuaState, "Sln", &entry);
+ int status = lua_getinfo(a_LuaState, "Sln", &entry);
assert(status);
- LOGWARNING(" %s(%d): %s", entry.short_src, entry.currentline, entry.name ? entry.name : "?");
+ LOGWARNING(" %s(%d): %s", entry.short_src, entry.currentline, entry.name ? entry.name : "(no name)");
depth++;
}
LOGWARNING("Stack trace end");
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index 796559b6f..c77dbeb7f 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -85,6 +85,23 @@ public:
} ;
+ /** Used for calling functions stored in a reference-stored table */
+ class cTableRef
+ {
+ int m_TableRef;
+ const char * m_FnName;
+ public:
+ cTableRef(int a_TableRef, const char * a_FnName) :
+ m_TableRef(a_TableRef),
+ m_FnName(a_FnName)
+ {
+ }
+
+ int GetTableRef(void) const { return m_TableRef; }
+ const char * GetFnName(void) const { return m_FnName; }
+ } ;
+
+
/// A dummy class that's used only to delimit function args from return values for cLuaState::Call()
class cRet
{
@@ -133,24 +150,6 @@ public:
/// Returns true if a_FunctionName is a valid Lua function that can be called
bool HasFunction(const char * a_FunctionName);
- /** Pushes the function of the specified name onto the stack.
- Returns true if successful. Logs a warning on failure (incl. m_SubsystemName)
- */
- bool PushFunction(const char * a_FunctionName);
-
- /** Pushes a function that has been saved into the global registry, identified by a_FnRef.
- Returns true if successful. Logs a warning on failure
- */
- bool PushFunction(int a_FnRef);
-
- /** Pushes a function that is stored in a table ref.
- Returns true if successful, false on failure. Doesn't log failure.
- */
- bool PushFunctionFromRefTable(cRef & a_TableRef, const char * a_FnName);
-
- /// Pushes a usertype of the specified class type onto the stack
- void PushUserType(void * a_Object, const char * a_Type);
-
// Push a value onto the stack
void Push(const AString & a_String);
void Push(const AStringVector & a_Vector);
@@ -183,7 +182,7 @@ public:
void Push(void * a_Ptr);
void Push(cHopperEntity * a_Hopper);
void Push(cBlockEntity * a_BlockEntity);
-
+
/// Call any 0-param 0-return Lua function in a single line:
template <typename FnT>
bool Call(FnT a_FnName)
@@ -802,25 +801,6 @@ public:
}
- /// Retrieve value returned at a_StackPos, if it is a valid bool. If not, a_ReturnedVal is unchanged
- void GetReturn(int a_StackPos, bool & a_ReturnedVal);
-
- /// Retrieve value returned at a_StackPos, if it is a valid string. If not, a_ReturnedVal is unchanged
- void GetReturn(int a_StackPos, AString & a_ReturnedVal);
-
- /// Retrieve value returned at a_StackPos, if it is a valid number. If not, a_ReturnedVal is unchanged
- void GetReturn(int a_StackPos, int & a_ReturnedVal);
-
- /// Retrieve value returned at a_StackPos, if it is a valid number. If not, a_ReturnedVal is unchanged
- void GetReturn(int a_StackPos, double & a_ReturnedVal);
-
- /**
- Calls the function that has been pushed onto the stack by PushFunction(),
- with arguments pushed by PushXXX().
- Returns true if successful, logs a warning on failure.
- */
- bool CallFunction(int a_NumReturnValues);
-
/// Returns true if the specified parameters on the stack are of the specified usertable type; also logs warning if not. Used for static functions
bool CheckParamUserTable(int a_StartParam, const char * a_UserTable, int a_EndParam = -1);
@@ -848,6 +828,9 @@ public:
/// Logs all items in the current stack trace to the server console
void LogStackTrace(void);
+ /// Logs all items in the current stack trace to the server console
+ static void LogStackTrace(lua_State * a_LuaState);
+
/// Returns the type of the item on the specified position in the stack
AString GetTypeText(int a_StackPos);
@@ -867,6 +850,45 @@ protected:
/// Number of arguments currently pushed (for the Push / Call chain)
int m_NumCurrentFunctionArgs;
+
+
+ /** Pushes the function of the specified name onto the stack.
+ Returns true if successful. Logs a warning on failure (incl. m_SubsystemName)
+ */
+ bool PushFunction(const char * a_FunctionName);
+
+ /** Pushes a function that has been saved into the global registry, identified by a_FnRef.
+ Returns true if successful. Logs a warning on failure
+ */
+ bool PushFunction(int a_FnRef);
+
+ /** Pushes a function that is stored in a referenced table by name
+ Returns true if successful. Logs a warning on failure
+ */
+ bool PushFunction(const cTableRef & a_TableRef);
+
+ /// Pushes a usertype of the specified class type onto the stack
+ void PushUserType(void * a_Object, const char * a_Type);
+
+ /// Retrieve value returned at a_StackPos, if it is a valid bool. If not, a_ReturnedVal is unchanged
+ void GetReturn(int a_StackPos, bool & a_ReturnedVal);
+
+ /// Retrieve value returned at a_StackPos, if it is a valid string. If not, a_ReturnedVal is unchanged
+ void GetReturn(int a_StackPos, AString & a_ReturnedVal);
+
+ /// Retrieve value returned at a_StackPos, if it is a valid number. If not, a_ReturnedVal is unchanged
+ void GetReturn(int a_StackPos, int & a_ReturnedVal);
+
+ /// Retrieve value returned at a_StackPos, if it is a valid number. If not, a_ReturnedVal is unchanged
+ void GetReturn(int a_StackPos, double & a_ReturnedVal);
+
+ /**
+ Calls the function that has been pushed onto the stack by PushFunction(),
+ with arguments pushed by PushXXX().
+ Returns true if successful, logs a warning on failure.
+ */
+ bool CallFunction(int a_NumReturnValues);
+
} ;
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index f0dd00300..a9368f613 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -1980,118 +1980,72 @@ public:
virtual bool OnNextBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, char a_EntryFace) override
{
- if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNextBlock"))
+ bool res = false;
+ if (!m_LuaState.Call(
+ cLuaState::cTableRef(m_TableRef, "OnNextBlock"),
+ a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta, a_EntryFace,
+ cLuaState::Return, res
+ ))
{
// No such function in the table, skip the callback
return false;
}
- m_LuaState.Push(a_BlockX);
- m_LuaState.Push(a_BlockY);
- m_LuaState.Push(a_BlockZ);
- m_LuaState.Push(a_BlockType);
- m_LuaState.Push(a_BlockMeta);
- m_LuaState.Push(a_EntryFace);
- if (!m_LuaState.CallFunction(1))
- {
- return false;
- }
- bool res = false;
- if (lua_isboolean(m_LuaState, -1))
- {
- res = (lua_toboolean(m_LuaState, -1) != 0);
- }
- lua_pop(m_LuaState, 1);
return res;
}
virtual bool OnNextBlockNoData(int a_BlockX, int a_BlockY, int a_BlockZ, char a_EntryFace) override
{
- if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNextBlockNoData"))
+ bool res = false;
+ if (!m_LuaState.Call(
+ cLuaState::cTableRef(m_TableRef, "OnNextBlockNoData"),
+ a_BlockX, a_BlockY, a_BlockZ, a_EntryFace,
+ cLuaState::Return, res
+ ))
{
// No such function in the table, skip the callback
return false;
}
- m_LuaState.Push(a_BlockX);
- m_LuaState.Push(a_BlockY);
- m_LuaState.Push(a_BlockZ);
- m_LuaState.Push(a_EntryFace);
- if (!m_LuaState.CallFunction(1))
- {
- return false;
- }
- bool res = false;
- if (lua_isboolean(m_LuaState, -1))
- {
- res = (lua_toboolean(m_LuaState, -1) != 0);
- }
- lua_pop(m_LuaState, 1);
return res;
}
virtual bool OnOutOfWorld(double a_BlockX, double a_BlockY, double a_BlockZ) override
{
- if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnOutOfWorld"))
+ bool res = false;
+ if (!m_LuaState.Call(
+ cLuaState::cTableRef(m_TableRef, "OnOutOfWorld"),
+ a_BlockX, a_BlockY, a_BlockZ,
+ cLuaState::Return, res
+ ))
{
// No such function in the table, skip the callback
return false;
}
- m_LuaState.Push(a_BlockX);
- m_LuaState.Push(a_BlockY);
- m_LuaState.Push(a_BlockZ);
- if (!m_LuaState.CallFunction(1))
- {
- return false;
- }
- bool res = false;
- if (lua_isboolean(m_LuaState, -1))
- {
- res = (lua_toboolean(m_LuaState, -1) != 0);
- }
- lua_pop(m_LuaState, 1);
return res;
}
virtual bool OnIntoWorld(double a_BlockX, double a_BlockY, double a_BlockZ) override
{
- if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnIntoWorld"))
+ bool res = false;
+ if (!m_LuaState.Call(
+ cLuaState::cTableRef(m_TableRef, "OnIntoWorld"),
+ a_BlockX, a_BlockY, a_BlockZ,
+ cLuaState::Return, res
+ ))
{
// No such function in the table, skip the callback
return false;
}
- m_LuaState.Push(a_BlockX);
- m_LuaState.Push(a_BlockY);
- m_LuaState.Push(a_BlockZ);
- if (!m_LuaState.CallFunction(1))
- {
- return false;
- }
- bool res = false;
- if (lua_isboolean(m_LuaState, -1))
- {
- res = (lua_toboolean(m_LuaState, -1) != 0);
- }
- lua_pop(m_LuaState, 1);
return res;
}
virtual void OnNoMoreHits(void) override
{
- if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNoMoreHits"))
- {
- // No such function in the table, skip the callback
- return;
- }
- m_LuaState.CallFunction(0);
+ m_LuaState.Call(cLuaState::cTableRef(m_TableRef, "OnNoMoreHits"));
}
virtual void OnNoChunk(void) override
{
- if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNoChunk"))
- {
- // No such function in the table, skip the callback
- return;
- }
- m_LuaState.CallFunction(0);
+ m_LuaState.Call(cLuaState::cTableRef(m_TableRef, "OnNoChunk"));
}
protected:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 13:16:08 +0100