ethutil/script.go


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

package ethutil

import (
    "fmt"
    "github.com/obscuren/mutan"
    "github.com/obscuren/mutan/backends"
    "github.com/obscuren/serpent-go"
    "strings"
)

// General compile function
func Compile(script string) (ret []byte, err error) {
    if len(script) > 2 {
        line := strings.Split(script, "\n")[0]

        if line[0:2] == "#!" {
            switch line {
            case "#!serpent":
                byteCode, err := serpent.Compile(script)
                if err != nil {
                    return nil, err
                }

                return byteCode, nil
            }
        } else {

            compiler := mutan.NewCompiler(backend.NewEthereumBackend())
            byteCode, errors := compiler.Compile(strings.NewReader(script))
            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
        }
    }

    return nil, nil
}