public void SEARCH_BY_LEVEL_TEST()
{
var symbolsTable = new VectorSymbolTable();
var func = new FunctionItem()
{
Lexeme = "Func1"
};
var proc = new ProcItem()
{
Lexeme = "Proc1"
};
var item1 = new IdentificatorItem()
{
Lexeme = "x", Type = ItemType.Boolean, Level = 1
};
var item2 = new IdentificatorItem()
{
Lexeme = "a", Type = ItemType.Integer, Level = 2
};
var item3 = new IdentificatorItem()
{
Lexeme = "b", Type = ItemType.Integer, Level = 2
};
for (int i = 0; i < 5; i++)
{
symbolsTable.Insert(new IdentificatorItem()
{
Lexeme = "Item " + i, Type = ItemType.Boolean
});
}
symbolsTable.Insert(func);
symbolsTable.Insert(item1);
symbolsTable.Insert(proc);
symbolsTable.Insert(item2);
symbolsTable.Insert(item3);
var result = symbolsTable.SearchByLevel(item1.Lexeme, 1);
Assert.AreEqual(result, item1);
result = symbolsTable.SearchByLevel(item2.Lexeme, 1);
Assert.IsNull(result);
result = symbolsTable.SearchByLevel(item1.Lexeme, 2);
Assert.IsNull(result);
result = symbolsTable.SearchByLevel(item2.Lexeme, 2);
Assert.AreEqual(result, item2);
result = symbolsTable.SearchByLevel(item3.Lexeme, 2);
Assert.AreEqual(result, item3);
}
private uint AnalyzeVars()
{
uint count = 0;
do
{
if (_token.Symbol == Symbols.SIdentificador)
{
if (_symbolTable.SearchByLevel(_token.Lexeme, _level) != null)
{
RaiseDoubleError(Symbols.SIdentificador);
}
_symbolTable.Insert(new IdentificatorItem()
{
Lexeme = _token.Lexeme,
Level = _level,
Memory = _memory
});
count++;
_memory++;
NextToken();
if (_token.Symbol == Symbols.SVirgula || _token.Symbol == Symbols.SDoisPontos)
{
if (_token.Symbol == Symbols.SVirgula)
{
NextToken();
if (_token.Symbol == Symbols.SDoisPontos)
{
RaiseGeneralErrorMessage($"Esperado identificador no lugar do símbolo '{_token.Lexeme}'");
}
}
}
else
{
RaiseUnexpectedTokenError("\",\" ou \":\"");
}
}
} while (_token.Symbol != Symbols.SDoisPontos);
NextToken();
AnalyzeType();
return(count);
}
