valueState function
Implementation
Function valueState(Lexer lexer) {
String chr = lexer.next();
if (chr == "+" || chr == "'") {
lexer.rewind();
return movementState;
}
if (int.tryParse(chr) != null) {
return numberState;
}
if (chr != "b" && chr != "B") {
lexer.rewind();
return movementState;
}
String p = lexer.peek();
if (p != "w" && p != "W") {
lexer.rewind();
return movementState;
}
while (!isWhitespace(chr)) {
chr = lexer.next();
}
lexer.rewind();
lexer.emit(TokenType.Load);
return idleState;
}