compiler-in-go/pkg/ast/function.go
jmug 0acd1d41e8 Add all the files from the interpreter repo
Signed-off-by: jmug <u.g.a.mariano@gmail.com>
2025-01-13 19:51:49 -08:00

32 lines
696 B
Go

package ast
import (
"bytes"
"strings"
"code.jmug.me/jmug/interpreter-in-go/pkg/token"
)
type FunctionLiteral struct {
Token token.Token // The fn token
Parameters []*Identifier
Body *BlockStatement
}
func (fl *FunctionLiteral) expressionNode() {}
func (fl *FunctionLiteral) TokenLiteral() string {
return fl.Token.Literal
}
func (fl *FunctionLiteral) String() string {
var out bytes.Buffer
params := []string{}
for _, p := range fl.Parameters {
params = append(params, p.String())
}
out.WriteString(fl.TokenLiteral())
out.WriteString("(")
out.WriteString(strings.Join(params, ", "))
out.WriteString(") ")
out.WriteString(fl.Body.String())
return out.String()
}