public void AddDuplicatedLabelTest()
{
var table = new SymbolsTable();
table.Add("Sym", 4);
Assert.Throws <SymbolsException>(() => table.Add("Sym", 5));
}
public void AddAndGetSymbolTest()
{
var table = new SymbolsTable();
table.Add("Sym");
Assert.Equal(16, table["Sym"]);
}
public void AddAndGetLabelTest()
{
var table = new SymbolsTable();
table.Add("Sym", 5);
Assert.Equal(5, table["Sym"]);
}
public void GetUndeclaredAndAddTest()
{
var table = new SymbolsTable();
Assert.Equal(16, table.Get("Sym1"));
table.Add("Sym1", 5);
Assert.Equal(5, table.Get("Sym1"));
}
private void CreateCodesTabel()
{
var unicode = 'а';
for (var i = 0; i < 32; i++)
{
var code = Convert.ToString(i, 2);
var codeLength = code.Length;
if (codeLength < 5)
{
for (var j = 0; j < 5 - codeLength; j++)
{
code = "0" + code;
}
}
SymbolsTable.Add((char)(unicode + i), code);
CodesTable.Add(code, (char)(unicode + i));
}
}
public void Analysis(string inputText)
{
inputText = deleteReturnCorret(inputText);
int lineCount = 1;
int spaceCount = 0;
for (int i = 0; i < inputText.Length;)
{
while (i < inputText.Length && inputText[i] == ' ' && inputText[i] == '\t')
{
spaceCount++;
if (inputText[i] == '\t')
{
spaceCount += 3;
}
i++;
}
if (Char.IsLetter(inputText[i]) || inputText[i] == '_')
{
string temp = "";
while (i < inputText.Length && !symbols.ContainsKey(inputText[i]))
{
temp += inputText[i];
++i;
}
if (words.ContainsKey(temp))
{
TokensTable.Add(new Token(Token.TokenType.WORD, temp, lineCount, spaceCount));
}
else
{
SymbolsTable.Add(new Symbol(temp));
TokensTable.Add(new Token(Token.TokenType.ID, (SymbolsTable.Count - 1).ToString(), lineCount, spaceCount));
}
}
else if (Char.IsDigit(inputText[i]))
{
string temp = "";
while (i < inputText.Length && !symbols.ContainsKey(inputText[i]))
{
temp += inputText[i];
++i;
}
TokensTable.Add(new Token(Token.TokenType.CONST, temp, lineCount, spaceCount));
if (temp.Contains('.'))
{
TokensTable[TokensTable.Count - 1].ConstType = Symbol.SymType.FLOAT;
}
}
else if (symbols.ContainsKey(inputText[i]))
{
if (symbols[inputText[i]] == Symbols.QMARK || symbols[inputText[i]] == Symbols.QQMARK)
{
i++;
string temp = "";
while (i < inputText.Length && symbols[inputText[i]] != Symbols.QMARK && symbols[inputText[i]] != Symbols.QQMARK)
{
temp += inputText[i];
i++;
}
TokensTable.Add(new Token(Token.TokenType.CONST, temp, lineCount, spaceCount, Symbol.SymType.STRING));
i++;
spaceCount = 0;
continue;
}
if (symbols[inputText[i]] == Symbols.SRET)
{
lineCount++;
}
TokensTable.Add(new Token(Token.TokenType.SYMBOL, inputText[i].ToString(), lineCount, spaceCount));
i++;
}
else
{
ErrorsTable.Add(new ErrorMessage($"Unexpected symbol: {inputText[i]}", lineCount));
return;
}
spaceCount = 0;
}
}