initial commit

1 files changed, 32 insertions, 0 deletions

diff --git a/parser/scanners.go b/parser/scanners.go
new file mode 100644
index 0000000..078f9d3
--- /dev/null
+++ b/parser/scanners.go
@@ -0,0 +1,32 @@
+package parser
+
+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
+		}
+	}
+}