package lexpr
type Token struct {
typ lexType
value string
ivalue int
priority int
leftAssoc bool
}
func (t Token) Number() (int, bool) {
return t.ivalue, t.typ == number
}
func (t Token) String() (string, bool) {
return t.value, t.typ == str
}
func (t Token) Word() (string, bool) {
return t.value, t.typ == word
}
func TokenFromAny(variable any) (Token, bool) {
if s, ok := variable.(string); ok {
return Token{
typ: str,
value: s,
}, true
}
if n, ok := variable.(int); ok {
return Token{
typ: number,
ivalue: n,
}, true
}
if n, ok := variable.(float64); ok {
return Token{
typ: number,
ivalue: int(n),
}, true
}
if n, ok := variable.(float32); ok {
return Token{
typ: number,
ivalue: int(n),
}, true
}
if b, ok := variable.(bool); ok {
n := 0
if b {
n = 1
}
return Token{
typ: number,
ivalue: n,
}, true
}
return Token{}, false
}
func TokenFromWord(wordName string) Token {
return Token{
typ: word,
value: wordName,
}
}
func TokenFromString(s string) Token {
return Token{
typ: str,
value: s,
}
}
func TokenFromInt(n int) Token {
return Token{
typ: number,
ivalue: n,
}
}
