int Parser_AddConstant(Parser* parser, Value* value)
{
Function* function = parser->function;
ASSERT(function->numConstants < 262144);
// We can't store a nil value in a table, so if it's a nil value we need
// to use some other value to indicate that. We use the constant table
// itself since this will never appear otherwise.
Value _value;
if (Value_GetIsNil(value))
{
SetValue(&_value, function->constants);
value = &_value;
}
const Value* result = Table_GetTable(parser->L, function->constants, value);
if (!Value_GetIsNil(result))
{
return Value_GetInteger(result);
}
Value index;
SetValue(&index, function->numConstants);
Table_SetTable(parser->L, function->constants, value, &index);
++function->numConstants;
return Value_GetInteger(&index);
}
void lua_rawgeti(lua_State *L, int index, int n)
{
Value* table = GetValueForIndex(L, index);
luai_apicheck(L, Value_GetIsTable(table) );
const Value* value = Table_GetTable(L, table->table, n);
if (value == NULL)
{
PushNil(L);
}
else
{
PushValue(L, value);
}
}
void lua_rawget(lua_State* L, int index)
{
Value* table = GetValueForIndex( L, index );
luai_apicheck(L, Value_GetIsTable(table) );
const Value* key = GetValueForIndex(L, -1);
const Value* value = Table_GetTable(L, table->table, key);
if (value != NULL)
{
*(L->stackTop - 1) = *value;
}
else
{
SetNil(L->stackTop - 1);
}
}
