43 lines
860 B
Go
43 lines
860 B
Go
package ast
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import "github.com/d5/tengo/compiler/source"
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// ForStmt represetns a for statement.
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type ForStmt struct {
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ForPos source.Pos
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Init Stmt
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Cond Expr
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Post Stmt
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Body *BlockStmt
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}
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func (s *ForStmt) stmtNode() {}
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// Pos returns the position of first character belonging to the node.
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func (s *ForStmt) Pos() source.Pos {
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return s.ForPos
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}
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// End returns the position of first character immediately after the node.
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func (s *ForStmt) End() source.Pos {
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return s.Body.End()
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}
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func (s *ForStmt) String() string {
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var init, cond, post string
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if s.Init != nil {
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init = s.Init.String()
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}
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if s.Cond != nil {
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cond = s.Cond.String() + " "
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}
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if s.Post != nil {
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post = s.Post.String()
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}
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if init != "" || post != "" {
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return "for " + init + " ; " + cond + " ; " + post + s.Body.String()
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}
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return "for " + cond + s.Body.String()
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}
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