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- fixed: Since the serializing code cannot distinguish between user variables of the same name coming from different actors in an inheritance chain, this kind of name duplication must be prohibited.

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Christoph Oelckers 2014-09-21 08:32:39 +02:00
parent 44683657f2
commit cbf72fe992
1 changed files with 11 additions and 0 deletions
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11
src/thingdef/thingdef_parse.cpp
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@ -374,6 +374,8 @@ static void ParseUserVariable (FScanner &sc, PSymbolTable *symt, PClass *cls)
FScriptPosition::ErrorCounter++;
}
FName symname = sc.String;
if (sc.CheckToken('['))
{
@ -391,6 +393,15 @@ static void ParseUserVariable (FScanner &sc, PSymbolTable *symt, PClass *cls)
}
sc.MustGetToken(';');
// We must ensure that we do not define duplicates, even when they come from a parent table.
if (symt->FindSymbol(symname, true) != NULL)
{
sc.ScriptMessage ("'%s' is already defined in '%s' or one of its ancestors.",
symname.GetChars(), cls ? cls->TypeName.GetChars() : "Global");
FScriptPosition::ErrorCounter++;
return;
}
PSymbolVariable *sym = new PSymbolVariable(symname);
sym->offset = cls->Extend(sizeof(int) * (valuetype.Type == VAL_Array ? valuetype.size : 1));
sym->ValueType = valuetype;