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added ability for user to enter boolean literals

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This commit is contained in:
Aidan 2020-07-03 19:51:03 -07:00
parent 4865c7ce92
commit c90d445d7d
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GPG key ID: 327711E983899316
1 changed files with 7 additions and 0 deletions
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7
ast/lex.go
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@ -26,6 +26,10 @@ const string_delims string = "\"'`"
func Lex(input string) *Token { func Lex(input string) *Token {
ret := lex(input) ret := lex(input)
if ret == nil {
return nil
}
if ret.Tag != LIST { if ret.Tag != LIST {
temp := &Token{Tag: LIST} temp := &Token{Tag: LIST}
temp.Direct(ret) temp.Direct(ret)
@ -67,6 +71,9 @@ func lex(input string) *Token {
} else if StrIsNumber(tok) { } else if StrIsNumber(tok) {
(*iter).Tag = NUMBER (*iter).Tag = NUMBER
} else if tok == "T" || tok == "F" {
(*iter).Tag = BOOL
} else { } else {
(*iter).Tag = SYMBOL (*iter).Tag = SYMBOL
} }