From 76a7f461ebbde70ea0e3d4f9b79c08139acaee7c Mon Sep 17 00:00:00 2001 From: NeonXP Date: Tue, 27 Dec 2022 02:37:02 +0300 Subject: Completely rewrited --- internal/lexer/scanners.go | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 internal/lexer/scanners.go (limited to 'internal/lexer/scanners.go') diff --git a/internal/lexer/scanners.go b/internal/lexer/scanners.go new file mode 100644 index 0000000..6181c2d --- /dev/null +++ b/internal/lexer/scanners.go @@ -0,0 +1,32 @@ +package lexer + +func scanNumber(l *Lexer) bool { + l.AcceptWhile("0123456789") + if l.AtStart() { + // not found any digit + return false + } + l.Accept(".") + l.AcceptWhile("0123456789") + return !l.AtStart() +} + +func scanQuotedString(l *Lexer, quote rune) bool { + start := l.Pos + if l.Next() != quote { + l.Back() + return false + } + for { + ch := l.Next() + switch ch { + case eof: + l.Pos = start // Return position to start + return false // Unclosed quote string? + case '\\': + l.Next() // Skip next char + case quote: + return true // Closing quote + } + } +} -- cgit v1.2.3