33 lines
563 B
Go
33 lines
563 B
Go
package parser
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func scanNumber(l *lexer) bool {
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l.AcceptWhile("0123456789")
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if l.AtStart() {
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// not found any digit
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return false
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}
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l.Accept(".")
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l.AcceptWhile("0123456789")
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return !l.AtStart()
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}
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func scanQuotedString(l *lexer, quote rune) bool {
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start := l.Pos
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if l.Next() != quote {
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l.Back()
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return false
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}
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for {
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ch := l.Next()
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switch ch {
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case eof:
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l.Pos = start // Return position to start
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return false // Unclosed quote string?
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case '\\':
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l.Next() // Skip next char
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case quote:
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return true // Closing quote
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}
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}
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}
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