vendor/github.com/hashicorp/hil/ast/call.go

   1 package ast
   2
   3 import (
   4         "fmt"
   5         "strings"
   6 )
   7
   8 // Call represents a function call.
   9 type Call struct {
  10         Func string
  11         Args []Node
  12         Posx Pos
  13 }
  14
  15 func (n *Call) Accept(v Visitor) Node {
  16         for i, a := range n.Args {
  17                 n.Args[i] = a.Accept(v)
  18         }
  19
  20         return v(n)
  21 }
  22
  23 func (n *Call) Pos() Pos {
  24         return n.Posx
  25 }
  26
  27 func (n *Call) String() string {
  28         args := make([]string, len(n.Args))
  29         for i, arg := range n.Args {
  30                 args[i] = fmt.Sprintf("%s", arg)
  31         }
  32
  33         return fmt.Sprintf("Call(%s, %s)", n.Func, strings.Join(args, ", "))
  34 }
  35
  36 func (n *Call) Type(s Scope) (Type, error) {
  37         f, ok := s.LookupFunc(n.Func)
  38         if !ok {
  39                 return TypeInvalid, fmt.Errorf("unknown function: %s", n.Func)
  40         }
  41
  42         return f.ReturnType, nil
  43 }
  44
  45 func (n *Call) GoString() string {
  46         return fmt.Sprintf("*%#v", *n)
  47 }