go-ethereum/ethutil/script.go
2014-06-21 02:40:25 +02:00

54 lines
1015 B
Go

package ethutil
import (
"fmt"
"github.com/obscuren/mutan"
"github.com/obscuren/serpent-go"
"strings"
)
// General compile function
func Compile(script string) (ret []byte, err error) {
c := strings.Split(script, "\n")[0]
if c == "#!serpent" {
byteCode, err := serpent.Compile(script)
if err != nil {
return nil, err
}
return byteCode, nil
} else {
byteCode, errors := mutan.Compile(strings.NewReader(script), false)
if len(errors) > 0 {
var errs string
for _, er := range errors {
if er != nil {
errs += er.Error()
}
}
return nil, fmt.Errorf("%v", errs)
}
return byteCode, nil
}
}
func CompileScript(script string) ([]byte, []byte, error) {
// Preprocess
mainInput, initInput := mutan.PreParse(script)
// Compile main script
mainScript, err := Compile(mainInput)
if err != nil {
return nil, nil, err
}
// Compile init script
initScript, err := Compile(initInput)
if err != nil {
return nil, nil, err
}
return mainScript, initScript, nil
}