func (c *Scanner) eatwhitespace() {
for !c.EndOfFile() {
if utils.IsWhitespace(c.Peek()) {
c.ReadChar()
} else {
break
}
}
}
func (c *Scanner) ReadWord() string {
if !utils.IsAlphabetic(c.Peek()) {
c.Fail("Could not read word")
}
word := string(c.ReadChar())
for !c.EndOfFile() {
if utils.IsAlphabetic(c.Peek()) || utils.IsNumeric(c.Peek()) {
word += string(c.ReadChar())
} else if utils.IsWhitespace(c.Peek()) || c.Peek() == '/' {
break
} else {
c.Fail("Reading a word failed, found '", word, "' but then unexpected ", string(c.Peek()))
}
}
return word
}
func (c *Scanner) ReadNumber() int {
number := ""
for !c.EndOfFile() {
if utils.IsNumeric(c.Peek()) {
number += string(c.ReadChar())
} else if utils.IsWhitespace(c.Peek()) || c.Peek() == '/' {
break
} else {
c.Fail("Expected whitespace after the number "+number+", but got ", string(c.Peek()))
}
}
if len(number) == 0 {
c.Fail("Did not read any number")
}
numbasint, err := strconv.Atoi(number)
if err != nil {
c.Fail("Could not convert to number. Something really bad happened, and should never happen. Please contact the developers at https://github.com/jbossen/P7-code")
}
return numbasint
}