public static void main(String args[]) {
Token tok;
try {
// Read from the command line for the filename
Lexer lex = new Lexer(args[0]);
while (true) {
tok = lex.nextToken();
// if token returns error token we print the line for error and exit
if (tok.getKind() == Tokens.Error) {
System.out.println(
"Error in Line " + lex.source.getLineno() + " ErrorValue: " + tok.toString());
System.exit(0);
}
// Printing the information about the line and the token
String p =
"Left: "
+ tok.getLeftPosition()
+ "| Right: "
+ tok.getRightPosition()
+ "| Type: "
+ TokenType.tokens.get(tok.getKind())
+ "| Value: ";
// if ((tok.getKind() == Tokens.Identifier) || (tok.getKind() == Tokens.INTeger))
p += tok.toString();
System.out.println(p + "| Line: " + lex.source.getLineno());
}
} catch (Exception e) {
}
}
public void D() throws IOException {
Type b = B();
N(b);
lexer.setCurrentType(null);
match(';');
D1();
}
public static void main(String args[]) {
System.out.println("start.");
Lexer l = new Lexer();
while (true) {
try {
Token t = l.scan();
if (t.tag == Tag.NUM) {
System.out.println(
"Token : " + t.toString() + " , Tag:" + t.tag + " , value:" + ((Num) t).value);
} else if (t.tag == Tag.ID) {
System.out.println(
"Token : " + t.toString() + " , Tag:" + t.tag + " , lexeme:" + ((Word) t).lexeme);
} else {
System.out.println("Token : " + t.toString() + " , Tag:" + t.tag);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
void move() throws IOException {
look = lexer.scan();
}