public override void FromStackItem(StackItem stackItem)
{
base.FromStackItem(stackItem);
Array array = (Array)((Struct)stackItem)[1];
Tokens.AddRange(array.Select(p => p.GetSpan().ToArray()));
}
public List <Token> Scan()
{
Tokens.Add(new Token(TokenType.INTERPOLATION_START, null, null, 0));
Int32 Pos = 0;
while (!IsAtEnd())
{
Char c = Advance();
if (c == '{')
{
if (Match('{'))
{
// This is the end
}
else
{
// We have a string literal
Tokens.Add(new Token(TokenType.STRING, Source.Substring(Pos, Current - Pos - 1), Source.Substring(Pos, Current - Pos - 1), -1));
Pos = Current;
while ((c = Advance()) != '}')
{
}
Tokens.AddRange(new Scanner(Source.Substring(Pos - 1, Current - Pos + 1)).Scan(false));
Pos = Current;
}
}
}
if (Pos < Current)
{
Tokens.Add(new Token(TokenType.STRING, Source.Substring(Pos, Current - Pos), Source.Substring(Pos, Current - Pos), -1));
}
Tokens.Add(new Token(TokenType.INTERPOLATION_END, null, null, 0));
return(Tokens);
}
private async void OnAnalyzing(IAnalyzer analyzer)
{
var tokens = await analyzer.AnalyzeAsync(Text);
Tokens.Clear();
Tokens.AddRange(tokens);
}
public TokenSet(IProjectNode node, IRandom random)
{
TokenSetNode tsn = node as TokenSetNode;
Name = tsn.Name;
Tokens.AddRange(tsn.Tokens);
m_Random = random;
}
private void PopulateTokens(Scanner scanner)
{
TokenType[] tokenWithTexts =
{
TokenType.STRING, TokenType.BOOL, TokenType.COMMENT, TokenType.COMP,
TokenType.DOUBLE, TokenType.INTEGER, TokenType.IDENTIFIER, TokenType.OPER
};
Tokens.AddRange(
scanner.RecognizedTokens.Select(
t =>
{
var result = $"{t.Type.ToString()} ({t.Line}:{t.Column})";
if (tokenWithTexts.Contains(t.Type))
{
result += $" : {t.Text}";
}
return(result);
}));
}
internal TokenAssociateTransactionBody(IEnumerable <Address> tokens, Address account) : this()
{
if (tokens is null)
{
throw new ArgumentNullException(nameof(tokens), "The list of tokens cannot be null.");
}
Tokens.AddRange(tokens.Select(token =>
{
if (token.IsNullOrNone())
{
throw new ArgumentOutOfRangeException(nameof(tokens), "The list of tokens cannot contain an empty or null address.");
}
return(new TokenID(token));
}));
if (Tokens.Count == 0)
{
throw new ArgumentOutOfRangeException(nameof(tokens), "The list of tokens cannot be empty.");
}
Account = new AccountID(account);
}
protected override void ScanToken()
{
Char c = Advance();
switch (c)
{
case '[':
AddToken(TokenType.LSQRBRACE); // TODO
break;
case ']':
AddToken(TokenType.RSQRBRACE); // TODO
break;
case '$':
AddToken(TokenType.DOLLAR);
if (Match('"'))
{
var value = String().Substring(1); // Strip of the leading quote
var scanner = new StringInterpolationScanner(value);
var t = scanner.Scan();
Tokens.AddRange(t);
}
else
{
Cox.Error(Line, $"Expected '\"'");
}
break;
case '(':
AddToken(TokenType.LPAREN);
break;
case ')':
AddToken(TokenType.RPAREN);
break;
case '{':
AddToken(TokenType.LBRACE);
break;
case '}':
AddToken(TokenType.RBRACE);
break;
case ',':
AddToken(TokenType.COMMA);
break;
case '.':
AddToken(TokenType.DOT);
break;
case '-':
if (Match('-'))
{
AddToken(TokenType.MINUS_MINUS);
}
else
{
if (Match('='))
{
AddToken(TokenType.MINUS_EQUALS);
}
else
{
AddToken(TokenType.MINUS);
}
}
break;
case '+':
if (Match('+'))
{
AddToken(TokenType.PLUS_PLUS);
}
else
{
if (Match('='))
{
AddToken(TokenType.PLUS_EQUALS);
}
else
{
AddToken(TokenType.PLUS);
}
}
break;
case '*':
if (Match('='))
{
AddToken(TokenType.MUL_EQUALS);
}
else
{
AddToken(TokenType.MUL);
}
break;
case '/':
if (Match('='))
{
AddToken(TokenType.DIV_EQUALS);
}
else
{
if (Match('/'))
{
// A comment goes until the end of the line.
while (Peek() != '\n' && !IsAtEnd())
{
Advance();
}
}
else
{
if (Match('*'))
{
// Multi line comment, we need to look for a */
while (!(Peek() == '*' && PeekNext() == '/') && !IsAtEnd())
{
if (Peek() == '\n')
{
Line++;
}
Advance();
}
if (IsAtEnd())
{
Cox.Error(Line, $"End-of-File found, '*/' expected");
}
else
{
Advance();
Advance();
}
}
else
{
AddToken(TokenType.DIV);
}
}
}
break;
case ';':
AddToken(TokenType.SEMICOLON);
break;
case ':':
AddToken(TokenType.COLON);
break;
case '?':
AddToken(TokenType.QUESTIONMARK);
break;
case '&':
if (Match('&'))
{
AddToken(TokenType.AND);
}
else
{
AddToken(TokenType.BINARY_AND);
}
break;
case '|':
if (Match('|'))
{
AddToken(TokenType.OR);
}
else
{
AddToken(TokenType.BINARY_OR);
}
break;
case '^':
AddToken(TokenType.BINARY_XOR);
break;
case '~':
AddToken(TokenType.BINARY_NOT);
break;
case '!':
AddToken(Match('=') ? TokenType.BANG_EQUAL : TokenType.BANG);
break;
case '=':
AddToken(Match('=') ? TokenType.EQUAL_EQUAL : TokenType.EQUAL);
break;
case '<':
if (Match('<'))
{
AddToken(TokenType.BINARY_LEFTSHIFT);
}
else
if (Match('='))
{
AddToken(TokenType.LESS_EQUAL);
}
else
{
AddToken(TokenType.LESS);
}
break;
case '>':
if (Match('>'))
{
AddToken(TokenType.BINARY_RIGHTSHIFT);
}
else
if (Match('='))
{
AddToken(TokenType.GREATER_EQUAL);
}
else
{
AddToken(TokenType.GREATER);
}
break;
case '"':
{
String value = String();
if (value != null)
{
AddToken(TokenType.STRING, value);
}
}
break;
case ' ':
case '\t':
case '\r':
break;
case '\n':
Line++;
break;
default:
if (Char.IsDigit(c))
{
Number();
}
else
if (Char.IsLetter(c) || c == '_')
{
Identifier();
}
else
{
Cox.Error(Line, $"Unexpected Character {c}");
}
break;
}
}
public void Tokenize(IEnumerable <string> lines)
{
afterWord = LexerState.None;
parensDepth = 0;
Line = 0;
foreach (string line in lines)
{
Line++;
if (line.Length == 0)
{
continue;
}
CurrentLine = line;
Column = 0;
State = LexerState.None;
endOfLine = false;
currentToken = string.Empty;
while (!endOfLine)
{
char ch = Next();
LexerState guess = Guess(ch);
State = stateMachine[State](ch, guess);
if (!stateMachine.ContainsKey(State))
{
throw new TokenizationException($"Unknown tokenizer state: {State}");
}
}
// process end of line in case something is missing
stateMachine[State]('\n', LexerState.EndOfLine);
// special handling for 'Include'
if (Tokens.Count >= 2 && Tokens[Tokens.Count - 2].Value == "Include")
{
Token filename = Tokens[Tokens.Count - 1];
Tokens.RemoveRange(Tokens.Count - 2, 2);
Tokenizer jt = new Tokenizer(Context);
if (filename.Type != TokenType.String)
{
throw new ArgumentTypeException("Can only Include a (filename) string");
}
ScriptSource include = Context.Djn.FindByName <ScriptSource>(filename.Value);
if (include == null)
{
throw new MissingResourceException($"Unknown Source resource: {filename.Value}");
}
jt.Tokenize(include.Source.Split('\n'));
Tokens.AddRange(jt.Tokens);
}
else
{
Tokens.Add(new Token {
Type = TokenType.EOL
});
}
}
}
