コード例 #1
0
ファイル: token.go プロジェクト: firebitsbr/elvish
func produceTokens(n parse.Node, tokenCh chan<- Token) {
	if len(n.Children()) == 0 {
		tokenType := ParserError
		moreStyle := ""
		switch n := n.(type) {
		case *parse.Primary:
			switch n.Type {
			case parse.Bareword:
				tokenType = Bareword
			case parse.SingleQuoted:
				tokenType = SingleQuoted
			case parse.DoubleQuoted:
				tokenType = DoubleQuoted
			case parse.Variable:
				tokenType = Variable
			case parse.Wildcard:
				tokenType = Wildcard
			case parse.Tilde:
				tokenType = Tilde
			}
		case *parse.Sep:
			tokenType = Sep
			moreStyle = styleForSep[n.SourceText()]
		}
		tokenCh <- Token{tokenType, n.SourceText(), n, moreStyle}
	}
	for _, child := range n.Children() {
		produceTokens(child, tokenCh)
	}
}
コード例 #2
0
ファイル: stylist.go プロジェクト: elves/elvish
func (s *Stylist) style(n parse.Node) {
	if fn, ok := n.(*parse.Form); ok {
		for _, an := range fn.Assignments {
			if an.Dst != nil && an.Dst.Head != nil {
				v := an.Dst.Head
				s.add(styleForType[Variable].String(), v.Begin(), v.End())
			}
		}
		if fn.Head != nil {
			s.formHead(fn.Head)
		}
	}
	if cn, ok := n.(*parse.Control); ok {
		switch cn.Kind {
		case parse.ForControl:
			if cn.Iterator != nil {
				v := cn.Iterator.Head
				s.add(styleForType[Variable].String(), v.Begin(), v.End())
			}
		case parse.TryControl:
			if cn.ExceptVar != nil {
				v := cn.ExceptVar.Head
				s.add(styleForType[Variable].String(), v.Begin(), v.End())
			}
		}
	}
	for _, child := range n.Children() {
		s.style(child)
	}
}
コード例 #3
0
ファイル: token.go プロジェクト: zhsj/elvish
func produceTokens(n parse.Node, tokenCh chan<- Token) {
	if n.Begin() == n.End() {
		// Ignore empty node. This happens e.g. with an empty source code, where
		// the parsed node is an empty Chunk.
		return
	}
	if len(n.Children()) == 0 {
		tokenType := ParserError
		moreStyle := ""
		switch n := n.(type) {
		case *parse.Primary:
			switch n.Type {
			case parse.Bareword:
				tokenType = Bareword
			case parse.SingleQuoted:
				tokenType = SingleQuoted
			case parse.DoubleQuoted:
				tokenType = DoubleQuoted
			case parse.Variable:
				tokenType = Variable
			case parse.Wildcard:
				tokenType = Wildcard
			case parse.Tilde:
				tokenType = Tilde
			}
		case *parse.Sep:
			tokenType = Sep
			septext := n.SourceText()
			if strings.HasPrefix(septext, "#") {
				moreStyle = styleForSep["#"]
			} else {
				moreStyle = styleForSep[septext]
			}
		default:
			Logger.Printf("bad leaf type %T", n)
		}
		tokenCh <- Token{tokenType, n.SourceText(), n, moreStyle}
	}
	for _, child := range n.Children() {
		produceTokens(child, tokenCh)
	}
}