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Lua: Break into ZBS debugger on API errors.

This commit is contained in:
Mattes D 2015-05-16 16:19:18 +02:00
parent 4ffc6621a9
commit 1240c76cb4
2 changed files with 29 additions and 0 deletions
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26
src/Bindings/LuaState.cpp
View File

@ -927,6 +927,9 @@ bool cLuaState::CheckParamTable(int a_StartParam, int a_EndParam)
VERIFY(lua_getstack(m_LuaState, 0, &entry));
VERIFY(lua_getinfo (m_LuaState, "n", &entry));
AString ErrMsg = Printf("#ferror in function '%s'.", (entry.name != nullptr) ? entry.name : "?");
BreakIntoDebugger(m_LuaState);
tolua_error(m_LuaState, ErrMsg.c_str(), &tolua_err);
return false;
} // for i - Param
@ -1366,6 +1369,7 @@ int cLuaState::ReportFnCallErrors(lua_State * a_LuaState)
{
LOGWARNING("LUA: %s", lua_tostring(a_LuaState, -1));
LogStackTrace(a_LuaState, 1);
BreakIntoDebugger(a_LuaState);
return 1; // We left the error message on the stack as the return value
}
@ -1373,6 +1377,28 @@ int cLuaState::ReportFnCallErrors(lua_State * a_LuaState)
int cLuaState::BreakIntoDebugger(lua_State * a_LuaState)
{
// Call the BreakIntoDebugger function, if available:
lua_getglobal(a_LuaState, "BreakIntoDebugger");
if (!lua_isfunction(a_LuaState, -1))
{
LOGD("LUA: BreakIntoDebugger() not found / not a function");
lua_pop(a_LuaState, 1);
return 1;
}
lua_insert(a_LuaState, -2); // Copy the string that has been passed to us
LOGD("Calling BreakIntoDebugger()...");
lua_call(a_LuaState, 1, 0);
LOGD("Returned from BreakIntoDebugger().");
return 0;
}
////////////////////////////////////////////////////////////////////////////////
// cLuaState::cRef:

3
src/Bindings/LuaState.h
View File

@ -389,6 +389,9 @@ protected:
/** Used as the error reporting function for function calls */
static int ReportFnCallErrors(lua_State * a_LuaState);
/** Tries to break into the MobDebug debugger, if it is installed. */
static int BreakIntoDebugger(lua_State * a_LuaState);
} ;