void HandleTableDefine(TableDefine tree)
{
var f = GetCurrentFunction();
Instruction code;
// new table
int table_register = GenerateRegisterId();
code = Instruction.A(OpType.OpType_NewTable, table_register);
f.AddInstruction(code, tree.line);
// add field
int count = tree.last_field_append_table ? tree.fields.Count - 1 : tree.fields.Count;
int arr_index = 1;//number index start from 1
int key_register = table_register + 1;
int value_register = table_register + 2;
for (int i = 0; i < count; ++i)
{
var field = tree.fields[i];
if (field.index == null)
{
code = Instruction.ABx(OpType.OpType_LoadInt, key_register, arr_index++);
f.AddInstruction(code, field.line);
}
else
{
HandleExpRead(field.index);
}
GenerateRegisterId();// for key register
HandleExpRead(field.value);
code = Instruction.ABC(OpType.OpType_SetTable, table_register, key_register, value_register);
f.AddInstruction(code, field.line);
ResetRegisterId(key_register);
}
// last field
if (tree.last_field_append_table)
{
var last_field = tree.fields[count];
HandleExpRead(last_field.value);
code = Instruction.AB(OpType.OpType_AppendTable, table_register, key_register);
f.AddInstruction(code, last_field.line);
}
ResetRegisterId(table_register);
}
TableDefine ParseTableConstructor()
{
NextToken();
var table = new TableDefine(_current.m_line);
TableField last_field = null;
while (LookAhead().m_type != '}')
{
if (LookAhead().m_type == (int)'[')
{
last_field = ParseTableIndexField();
}
else if (LookAhead().m_type == (int)TokenType.NAME &&
LookAhead2().m_type == (int)'=')
{
last_field = ParseTableNameField();
}
else
{
last_field = ParseTableArrayField();
}
table.fields.Add(last_field);
if (LookAhead().m_type != '}')
{
NextToken();
if (_current.m_type != (int)',' &&
_current.m_type != (int)';')
{
throw NewParserException("expect ',' or ';' to split table fields", _current);
}
}
}
if (NextToken().m_type != '}')
{
throw NewParserException("expect '}' for table", _current);
}
if (last_field != null && last_field.index == null)
{
table.last_field_append_table = IsExpReturnAnyCountValue(last_field.value);
}
return(table);
}
