Function lexVariables

conf/lex.go:367–400

lexVariables reads a block of variable declarations.

(l *lexer)

// lexVariables reads a block of variable declarations.
func lexVariables(l *lexer) stateFn {
	for {
		n := l.eatSpaceAndComments()
		if n == '@' {
			l.acceptWord()
			l.emit(itemVarName)
			n = l.maybeSpace()
			if n == '=' {
				l.emit(itemEquals)
			}
			n = l.maybeSpace()
			if n == eof {
				l.errorf("unterminated variable assignment")
				return nil
			} else if any(n, quotes) {
				err := l.acceptQuotedString(n)
				if err != nil {
					l.errorf("%s", err)
					return nil
				}
				l.emit(itemQuotedString)
			} else if !any(n, bareStringDisallowed) {
				l.acceptLine(true)
				l.emit(itemBareString)
			} else {
				l.errorf("= must be followed by a string")
				return nil
			}
		} else {
			l.backup()
			return lexPatterns
		}
	}
}

func lexTop(l *lexer) stateFn {
	return lexVariables