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Script: Enforce type checks if not nil (#9748)

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* Script: Enforce type checks if not nil
This commit is contained in:
SmallJoker 2020-04-27 07:02:39 +02:00 • committed by GitHub
parent 515d38a702
commit be71e70a91
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 72 additions and 56 deletions
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6
src/script/common/c_converter.h
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@ -45,13 +45,15 @@ float getfloatfield_default(lua_State *L, int table,
int getintfield_default(lua_State *L, int table,
const char *fieldname, int default_);
bool check_field_or_nil(lua_State *L, int index, int type, const char *fieldname);
template<typename T>
bool getintfield(lua_State *L, int table,
const char *fieldname, T &result)
{
lua_getfield(L, table, fieldname);
bool got = false;
if (lua_isnumber(L, -1)){
if (check_field_or_nil(L, -1, LUA_TNUMBER, fieldname)){
result = lua_tointeger(L, -1);
got = true;
}
@ -87,8 +89,6 @@ bool getboolfield(lua_State *L, int table,
const char *fieldname, bool &result);
bool getfloatfield(lua_State *L, int table,
const char *fieldname, float &result);
std::string checkstringfield(lua_State *L, int table,
const char *fieldname);
void setstringfield(lua_State *L, int table,
const char *fieldname, const std::string &value);