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Only push the Lua error handler once

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This commit is contained in:
ShadowNinja 2014-04-15 13:30:46 -04:00
parent 1838a3fd69
commit db4ea4658c
9 changed files with 154 additions and 279 deletions
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75
src/script/cpp_api/s_entity.cpp
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@ -39,7 +39,7 @@ bool ScriptApiEntity::luaentity_Add(u16 id, const char *name)
lua_gettable(L, -2);
// Should be a table, which we will use as a prototype
//luaL_checktype(L, -1, LUA_TTABLE);
if(lua_type(L, -1) != LUA_TTABLE){
if (lua_type(L, -1) != LUA_TTABLE){
errorstream<<"LuaEntity name \""<<name<<"\" not defined"<<std::endl;
return false;
}
@ -58,7 +58,7 @@ bool ScriptApiEntity::luaentity_Add(u16 id, const char *name)
// This should be userdata with metatable ObjectRef
objectrefGet(id);
luaL_checktype(L, -1, LUA_TUSERDATA);
if(!luaL_checkudata(L, -1, "ObjectRef"))
if (!luaL_checkudata(L, -1, "ObjectRef"))
luaL_typerror(L, -1, "ObjectRef");
lua_setfield(L, -2, "object");
@ -78,10 +78,7 @@ void ScriptApiEntity::luaentity_Activate(u16 id,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl;
verbosestream << "scriptapi_luaentity_activate: id=" << id << std::endl;
// Get minetest.luaentities[id]
luaentity_get(L, id);
@ -89,25 +86,25 @@ void ScriptApiEntity::luaentity_Activate(u16 id,
// Get on_activate function
lua_getfield(L, -1, "on_activate");
if(!lua_isnil(L, -1)) {
if (!lua_isnil(L, -1)) {
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
lua_pushlstring(L, staticdata.c_str(), staticdata.size());
lua_pushinteger(L, dtime_s);
// Call with 3 arguments, 0 results
if(lua_pcall(L, 3, 0, errorhandler))
if (lua_pcall(L, 3, 0, m_errorhandler))
scriptError();
} else {
lua_pop(L, 1);
}
lua_pop(L, 2); // Pop object and error handler
lua_pop(L, 1); // Pop object
}
void ScriptApiEntity::luaentity_Remove(u16 id)
{
SCRIPTAPI_PRECHECKHEADER
verbosestream<<"scriptapi_luaentity_rm: id="<<id<<std::endl;
verbosestream << "scriptapi_luaentity_rm: id=" << id << std::endl;
// Get minetest.luaentities table
lua_getglobal(L, "minetest");
@ -127,9 +124,6 @@ std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
// Get minetest.luaentities[id]
@ -138,19 +132,21 @@ std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id)
// Get get_staticdata function
lua_getfield(L, -1, "get_staticdata");
if(lua_isnil(L, -1))
if (lua_isnil(L, -1)) {
lua_pop(L, 2); // Pop entity and get_staticdata
return "";
}
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
// Call with 1 arguments, 1 results
if(lua_pcall(L, 1, 1, errorhandler))
if (lua_pcall(L, 1, 1, m_errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
size_t len = 0;
const char *s = lua_tolstring(L, -1, &len);
lua_pop(L, 1); // Pop static data
return std::string(s, len);
}
@ -162,8 +158,7 @@ void ScriptApiEntity::luaentity_GetProperties(u16 id,
//infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
// Get minetest.luaentities[id]
luaentity_get(L,id);
//int object = lua_gettop(L);
luaentity_get(L, id);
// Set default values that differ from ObjectProperties defaults
prop->hp_max = 10;
@ -178,7 +173,7 @@ void ScriptApiEntity::luaentity_GetProperties(u16 id,
getfloatfield(L, -1, "weight", prop->weight);
lua_getfield(L, -1, "collisionbox");
if(lua_istable(L, -1))
if (lua_istable(L, -1))
prop->collisionbox = read_aabb3f(L, -1, 1.0);
lua_pop(L, 1);
@ -199,9 +194,6 @@ void ScriptApiEntity::luaentity_Step(u16 id, float dtime)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
// Get minetest.luaentities[id]
@ -210,16 +202,17 @@ void ScriptApiEntity::luaentity_Step(u16 id, float dtime)
// State: object is at top of stack
// Get step function
lua_getfield(L, -1, "on_step");
if(lua_isnil(L, -1))
if (lua_isnil(L, -1)) {
lua_pop(L, 2); // Pop on_step and entity
return;
}
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
lua_pushnumber(L, dtime); // dtime
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, errorhandler))
if (lua_pcall(L, 2, 0, m_errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
lua_pop(L, 1); // Pop object
}
// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch,
@ -230,9 +223,6 @@ void ScriptApiEntity::luaentity_Punch(u16 id,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
// Get minetest.luaentities[id]
@ -241,19 +231,20 @@ void ScriptApiEntity::luaentity_Punch(u16 id,
// State: object is at top of stack
// Get function
lua_getfield(L, -1, "on_punch");
if(lua_isnil(L, -1))
if (lua_isnil(L, -1)) {
lua_pop(L, 2); // Pop on_punch and entitu
return;
}
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectrefGetOrCreate(puncher); // Clicker reference
lua_pushvalue(L, object); // self
objectrefGetOrCreate(puncher); // Clicker reference
lua_pushnumber(L, time_from_last_punch);
push_tool_capabilities(L, *toolcap);
push_v3f(L, dir);
// Call with 5 arguments, 0 results
if(lua_pcall(L, 5, 0, errorhandler))
if (lua_pcall(L, 5, 0, m_errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
lua_pop(L, 1); // Pop object
}
// Calls entity:on_rightclick(ObjectRef clicker)
@ -262,26 +253,24 @@ void ScriptApiEntity::luaentity_Rightclick(u16 id,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
// Get minetest.luaentities[id]
luaentity_get(L,id);
luaentity_get(L, id);
int object = lua_gettop(L);
// State: object is at top of stack
// Get function
lua_getfield(L, -1, "on_rightclick");
if(lua_isnil(L, -1))
if (lua_isnil(L, -1)) {
lua_pop(L, 2); // Pop on_rightclick and entity
return;
}
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectrefGetOrCreate(clicker); // Clicker reference
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, errorhandler))
if (lua_pcall(L, 2, 0, m_errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
lua_pop(L, 1); // Pop object
}