diff options
Diffstat (limited to 'src/script/common')
| -rw-r--r-- | src/script/common/c_converter.cpp | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/src/script/common/c_converter.cpp b/src/script/common/c_converter.cpp index 279d8b1a5..de0cdfbf4 100644 --- a/src/script/common/c_converter.cpp +++ b/src/script/common/c_converter.cpp @@ -28,6 +28,7 @@ extern "C" { #include "common/c_converter.h" #include "common/c_internal.h" #include "constants.h" +#include <set> #define CHECK_TYPE(index, name, type) { \ @@ -458,11 +459,36 @@ size_t read_stringlist(lua_State *L, int index, std::vector<std::string> *result bool check_field_or_nil(lua_State *L, int index, int type, const char *fieldname) { - if (lua_isnil(L, index)) + static thread_local std::set<u64> warned_msgs; + + int t = lua_type(L, index); + if (t == LUA_TNIL) return false; - CHECK_TYPE(index, std::string("field \"") + fieldname + '"', type); - return true; + if (t == type) + return true; + + // Check coercion types + if (type == LUA_TNUMBER) { + if (lua_isnumber(L, index)) + return true; + } else if (type == LUA_TSTRING) { + if (lua_isstring(L, index)) + return true; + } + + // Types mismatch. Log unique line. + std::string backtrace = std::string("Invalid field ") + fieldname + + " (expected " + lua_typename(L, type) + + " got " + lua_typename(L, t) + ").\n" + script_get_backtrace(L); + + u64 hash = murmur_hash_64_ua(backtrace.data(), backtrace.length(), 0xBADBABE); + if (warned_msgs.find(hash) == warned_msgs.end()) { + errorstream << backtrace << std::endl; + warned_msgs.insert(hash); + } + + return false; } bool getstringfield(lua_State *L, int table, |