Refactored some of the functions

This commit is contained in:
obscuren 2014-05-20 19:28:48 +02:00
parent de1dfae717
commit 563c035eb5
2 changed files with 83 additions and 18 deletions

View File

@ -7,6 +7,9 @@ import (
"github.com/ethereum/eth-go/ethpub" "github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethutil"
"github.com/obscuren/otto" "github.com/obscuren/otto"
"io/ioutil"
"os"
"path/filepath"
) )
type JSRE struct { type JSRE struct {
@ -53,6 +56,22 @@ func (self *JSRE) Run(code string) (otto.Value, error) {
return self.vm.Run(code) return self.vm.Run(code)
} }
func (self *JSRE) Require(file string) error {
if len(filepath.Ext(file)) == 0 {
file += ".js"
}
fh, err := os.Open(file)
if err != nil {
return err
}
content, _ := ioutil.ReadAll(fh)
self.Run("exports = {};(function() {" + string(content) + "})();")
return nil
}
func (self *JSRE) Stop() { func (self *JSRE) Stop() {
// Kill the main loop // Kill the main loop
self.quitChan <- true self.quitChan <- true
@ -82,7 +101,10 @@ out:
cb.Call(cb, val) cb.Call(cb, val)
} }
} else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok { } else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok {
fmt.Println(storageObject) for _, cb := range self.objectCb[ethutil.Hex(storageObject.Address)+ethutil.Hex(storageObject.StateAddress)] {
val, _ := self.vm.ToValue(ethpub.NewPStorageState(storageObject))
cb.Call(cb, val)
}
} }
} }
} }
@ -91,24 +113,65 @@ out:
func (self *JSRE) initStdFuncs() { func (self *JSRE) initStdFuncs() {
t, _ := self.vm.Get("eth") t, _ := self.vm.Get("eth")
eth := t.Object() eth := t.Object()
eth.Set("watch", func(call otto.FunctionCall) otto.Value { eth.Set("watch", self.watch)
addr, _ := call.Argument(0).ToString() eth.Set("addPeer", self.addPeer)
cb := call.Argument(1) self.Set("require", self.require)
}
/*
* The following methods are natively implemented javascript functions
*/
// eth.watch
func (self JSRE) watch(call otto.FunctionCall) otto.Value {
addr, _ := call.Argument(0).ToString()
var storageAddr string
var cb otto.Value
var storageCallback bool
if len(call.ArgumentList) > 2 {
storageCallback = true
storageAddr, _ = call.Argument(1).ToString()
cb = call.Argument(2)
} else {
cb = call.Argument(1)
}
if storageCallback {
self.objectCb[addr+storageAddr] = append(self.objectCb[addr+storageAddr], cb)
event := "storage:" + string(ethutil.FromHex(addr)) + ":" + string(ethutil.FromHex(storageAddr))
self.ethereum.Reactor().Subscribe(event, self.changeChan)
} else {
self.objectCb[addr] = append(self.objectCb[addr], cb) self.objectCb[addr] = append(self.objectCb[addr], cb)
event := "object:" + string(ethutil.FromHex(addr)) event := "object:" + string(ethutil.FromHex(addr))
self.ethereum.Reactor().Subscribe(event, self.changeChan) self.ethereum.Reactor().Subscribe(event, self.changeChan)
}
return otto.UndefinedValue() return otto.UndefinedValue()
}) }
eth.Set("addPeer", func(call otto.FunctionCall) otto.Value {
host, err := call.Argument(0).ToString() func (self *JSRE) addPeer(call otto.FunctionCall) otto.Value {
if err != nil { host, err := call.Argument(0).ToString()
return otto.FalseValue() if err != nil {
} return otto.FalseValue()
self.ethereum.ConnectToPeer(host) }
self.ethereum.ConnectToPeer(host)
return otto.TrueValue()
}) return otto.TrueValue()
}
func (self *JSRE) require(call otto.FunctionCall) otto.Value {
file, err := call.Argument(0).ToString()
if err != nil {
return otto.UndefinedValue()
}
if err := self.Require(file); err != nil {
fmt.Println("err:", err)
return otto.UndefinedValue()
}
t, _ := self.vm.Get("exports")
return t
} }

View File

@ -8,7 +8,6 @@ package main
import "C" import "C"
import ( import (
"github.com/obscuren/otto"
"strings" "strings"
"unsafe" "unsafe"
) )
@ -87,7 +86,10 @@ L:
} }
} }
func (self *JSRepl) PrintValue(value otto.Value) { func (self *JSRepl) PrintValue(v interface{}) {
method, _ := self.re.vm.Get("prettyPrint") method, _ := self.re.vm.Get("prettyPrint")
method.Call(method, value) v, err := self.re.vm.ToValue(v)
if err == nil {
method.Call(method, v)
}
} }