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package ast
import (
"fmt"
"strings"
)
// Call represents a function call.
type Call struct {
Func string
Args []Node
Posx Pos
}
func (n *Call) Accept(v Visitor) Node {
for i, a := range n.Args {
n.Args[i] = a.Accept(v)
}
return v(n)
}
func (n *Call) Pos() Pos {
return n.Posx
}
func (n *Call) String() string {
args := make([]string, len(n.Args))
for i, arg := range n.Args {
args[i] = fmt.Sprintf("%s", arg)
}
return fmt.Sprintf("Call(%s, %s)", n.Func, strings.Join(args, ", "))
}
func (n *Call) Type(s Scope) (Type, error) {
f, ok := s.LookupFunc(n.Func)
if !ok {
return TypeInvalid, fmt.Errorf("unknown function: %s", n.Func)
}
return f.ReturnType, nil
}
func (n *Call) GoString() string {
return fmt.Sprintf("*%#v", *n)
}
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