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authormadmaxoft <github@xoft.cz>2014-01-12 10:04:16 +0100
committermadmaxoft <github@xoft.cz>2014-01-12 10:04:16 +0100
commit180b9b90993870532a8daa2ee6498005b6c3bf49 (patch)
treedac846b760b6f5fd294fbd771975dd55b0856c0d /src/Bindings/LuaState.cpp
parentFixed Linux configuration. (diff)
parentDisabled a useless MSVC warning in Bindings.cpp. (diff)
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Diffstat (limited to 'src/Bindings/LuaState.cpp')
-rw-r--r--src/Bindings/LuaState.cpp68
1 files changed, 55 insertions, 13 deletions
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 64a818a60..149c304ed 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -228,6 +228,9 @@ bool cLuaState::PushFunction(const char * a_FunctionName)
return false;
}
+ // Push the error handler for lua_pcall()
+ lua_pushcfunction(m_LuaState, &ReportFnCallErrors);
+
lua_getglobal(m_LuaState, a_FunctionName);
if (!lua_isfunction(m_LuaState, -1))
{
@@ -249,6 +252,9 @@ bool cLuaState::PushFunction(int a_FnRef)
ASSERT(IsValid());
ASSERT(m_NumCurrentFunctionArgs == -1); // If not, there's already something pushed onto the stack
+ // Push the error handler for lua_pcall()
+ lua_pushcfunction(m_LuaState, &ReportFnCallErrors);
+
lua_rawgeti(m_LuaState, LUA_REGISTRYINDEX, a_FnRef); // same as lua_getref()
if (!lua_isfunction(m_LuaState, -1))
{
@@ -264,27 +270,29 @@ 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
+
+ // Push the error handler for lua_pcall()
+ lua_pushcfunction(m_LuaState, &ReportFnCallErrors);
+
+ 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;
}
@@ -297,7 +305,7 @@ void cLuaState::Push(const AString & a_String)
{
ASSERT(IsValid());
- tolua_pushcppstring(m_LuaState, a_String);
+ lua_pushlstring(m_LuaState, a_String.data(), a_String.size());
m_NumCurrentFunctionArgs += 1;
}
@@ -468,6 +476,18 @@ void cLuaState::Push(cItems * a_Items)
+void cLuaState::Push(const cItems & a_Items)
+{
+ ASSERT(IsValid());
+
+ tolua_pushusertype(m_LuaState, (void *)&a_Items, "cItems");
+ m_NumCurrentFunctionArgs += 1;
+}
+
+
+
+
+
void cLuaState::Push(cClientHandle * a_Client)
{
ASSERT(IsValid());
@@ -720,11 +740,13 @@ void cLuaState::GetReturn(int a_StackPos, double & a_ReturnedVal)
bool cLuaState::CallFunction(int a_NumResults)
{
ASSERT (m_NumCurrentFunctionArgs >= 0); // A function must be pushed to stack first
- ASSERT(lua_isfunction(m_LuaState, -m_NumCurrentFunctionArgs - 1));
+ ASSERT(lua_isfunction(m_LuaState, -m_NumCurrentFunctionArgs - 1)); // The function to call
+ ASSERT(lua_isfunction(m_LuaState, -m_NumCurrentFunctionArgs - 2)); // The error handler
- int s = lua_pcall(m_LuaState, m_NumCurrentFunctionArgs, a_NumResults, 0);
- if (ReportErrors(s))
+ int s = lua_pcall(m_LuaState, m_NumCurrentFunctionArgs, a_NumResults, -m_NumCurrentFunctionArgs - 2);
+ if (s != 0)
{
+ // The error has already been printed together with the stacktrace
LOGWARNING("Error in %s calling function %s()", m_SubsystemName.c_str(), m_CurrentFunctionName.c_str());
m_NumCurrentFunctionArgs = -1;
m_CurrentFunctionName.clear();
@@ -952,15 +974,24 @@ 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");
@@ -993,6 +1024,17 @@ AString cLuaState::GetTypeText(int a_StackPos)
+int cLuaState::ReportFnCallErrors(lua_State * a_LuaState)
+{
+ LOGWARNING("LUA: %s", lua_tostring(a_LuaState, -1));
+ LogStackTrace(a_LuaState);
+ return 1; // We left the error message on the stack as the return value
+}
+
+
+
+
+
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cLuaState::cRef: