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@@ -1,454 +0,0 @@
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-// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
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-//
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-// This library is free software; you can redistribute it and/or
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-// modify it under the terms of the GNU General Public
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-// License as published by the Free Software Foundation; either
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-// version 2.1 of the License, or (at your option) any later version.
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-//
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-// This library is distributed in the hope that it will be useful,
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-// but WITHOUT ANY WARRANTY; without even the implied warranty of
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-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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-// General Public License for more details.
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-//
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-// You should have received a copy of the GNU General Public License
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-// along with this library; if not, write to the Free Software
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-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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-// MA 02110-1301 USA
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-
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-package main
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-
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-import (
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- "bufio"
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- "fmt"
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- "math/big"
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- "os"
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- "os/signal"
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- "path/filepath"
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- "strings"
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-
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- "encoding/json"
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-
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- "sort"
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-
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- "github.com/codegangsta/cli"
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- "github.com/ethereum/go-ethereum/cmd/utils"
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- "github.com/ethereum/go-ethereum/common/docserver"
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- re "github.com/ethereum/go-ethereum/jsre"
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- "github.com/ethereum/go-ethereum/rpc"
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- "github.com/ethereum/go-ethereum/rpc/api"
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- "github.com/ethereum/go-ethereum/rpc/codec"
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- "github.com/ethereum/go-ethereum/rpc/comms"
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- "github.com/ethereum/go-ethereum/rpc/shared"
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- "github.com/peterh/liner"
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- "github.com/robertkrimen/otto"
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-)
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-
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-type prompter interface {
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- AppendHistory(string)
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- Prompt(p string) (string, error)
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- PasswordPrompt(p string) (string, error)
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-}
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-
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-type dumbterm struct{ r *bufio.Reader }
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-
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-func (r dumbterm) Prompt(p string) (string, error) {
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- fmt.Print(p)
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- line, err := r.r.ReadString('\n')
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- return strings.TrimSuffix(line, "\n"), err
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-}
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-
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-func (r dumbterm) PasswordPrompt(p string) (string, error) {
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- fmt.Println("!! Unsupported terminal, password will echo.")
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- fmt.Print(p)
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- input, err := bufio.NewReader(os.Stdin).ReadString('\n')
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- fmt.Println()
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- return input, err
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-}
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-
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-func (r dumbterm) AppendHistory(string) {}
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-
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-type jsre struct {
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- re *re.JSRE
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- wait chan *big.Int
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- ps1 string
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- atexit func()
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- datadir string
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- prompter
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-}
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-
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-var (
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- loadedModulesMethods map[string][]string
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-)
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-
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-func loadAutoCompletion(js *jsre, ipcpath string) {
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- modules, err := js.suportedApis(ipcpath)
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- if err != nil {
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- utils.Fatalf("Unable to determine supported modules - %v", err)
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- }
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-
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- loadedModulesMethods = make(map[string][]string)
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- for module, _ := range modules {
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- loadedModulesMethods[module] = api.AutoCompletion[module]
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- }
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-}
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-
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-func keywordCompleter(line string) []string {
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- results := make([]string, 0)
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-
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- if strings.Contains(line, ".") {
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- elements := strings.Split(line, ".")
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- if len(elements) == 2 {
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- module := elements[0]
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- partialMethod := elements[1]
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- if methods, found := loadedModulesMethods[module]; found {
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- for _, method := range methods {
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- if strings.HasPrefix(method, partialMethod) { // e.g. debug.se
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- results = append(results, module+"."+method)
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- }
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- }
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- }
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- }
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- } else {
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- for module, methods := range loadedModulesMethods {
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- if line == module { // user typed in full module name, show all methods
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- for _, method := range methods {
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- results = append(results, module+"."+method)
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- }
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- } else if strings.HasPrefix(module, line) { // partial method name, e.g. admi
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- results = append(results, module)
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- }
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- }
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- }
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- return results
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-}
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-
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-func apiWordCompleter(line string, pos int) (head string, completions []string, tail string) {
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- if len(line) == 0 {
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- return "", nil, ""
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- }
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-
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- i := 0
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- for i = pos - 1; i > 0; i-- {
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- if line[i] == '.' || (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') {
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- continue
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- }
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- if i >= 3 && line[i] == '3' && line[i-3] == 'w' && line[i-2] == 'e' && line[i-1] == 'b' {
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- continue
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- }
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- i += 1
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- break
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- }
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-
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- begin := line[:i]
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- keyword := line[i:pos]
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- end := line[pos:]
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-
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- completionWords := keywordCompleter(keyword)
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- return begin, completionWords, end
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-}
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-
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-func newJSRE(libPath, ipcpath string) *jsre {
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- js := &jsre{ps1: "> "}
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- js.wait = make(chan *big.Int)
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-
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- // update state in separare forever blocks
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- js.re = re.New(libPath)
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- js.apiBindings(ipcpath)
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-
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- if !liner.TerminalSupported() {
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- js.prompter = dumbterm{bufio.NewReader(os.Stdin)}
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- } else {
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- lr := liner.NewLiner()
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- js.withHistory(func(hist *os.File) { lr.ReadHistory(hist) })
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- lr.SetCtrlCAborts(true)
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- loadAutoCompletion(js, ipcpath)
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- lr.SetWordCompleter(apiWordCompleter)
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- lr.SetTabCompletionStyle(liner.TabPrints)
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- js.prompter = lr
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- js.atexit = func() {
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- js.withHistory(func(hist *os.File) { hist.Truncate(0); lr.WriteHistory(hist) })
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- lr.Close()
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- close(js.wait)
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- }
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- }
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- return js
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-}
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-
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-func (js *jsre) apiBindings(ipcpath string) {
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- ethApi := rpc.NewEthereumApi(nil)
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- jeth := rpc.NewJeth(ethApi, js.re, ipcpath)
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-
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- js.re.Set("jeth", struct{}{})
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- t, _ := js.re.Get("jeth")
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- jethObj := t.Object()
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- jethObj.Set("send", jeth.SendIpc)
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- jethObj.Set("sendAsync", jeth.SendIpc)
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-
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- err := js.re.Compile("bignumber.js", re.BigNumber_JS)
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- if err != nil {
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- utils.Fatalf("Error loading bignumber.js: %v", err)
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- }
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-
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- err = js.re.Compile("ethereum.js", re.Web3_JS)
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- if err != nil {
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- utils.Fatalf("Error loading web3.js: %v", err)
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- }
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-
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- _, err = js.re.Eval("var web3 = require('web3');")
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- if err != nil {
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- utils.Fatalf("Error requiring web3: %v", err)
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- }
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-
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- _, err = js.re.Eval("web3.setProvider(jeth)")
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- if err != nil {
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- utils.Fatalf("Error setting web3 provider: %v", err)
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- }
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-
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- apis, err := js.suportedApis(ipcpath)
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- if err != nil {
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- utils.Fatalf("Unable to determine supported api's: %v", err)
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- }
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-
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- // load only supported API's in javascript runtime
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- shortcuts := "var eth = web3.eth; "
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- for apiName, _ := range apis {
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- if apiName == api.Web3ApiName || apiName == api.EthApiName {
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- continue // manually mapped
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- }
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-
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- if err = js.re.Compile(fmt.Sprintf("%s.js", apiName), api.Javascript(apiName)); err == nil {
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- shortcuts += fmt.Sprintf("var %s = web3.%s; ", apiName, apiName)
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- } else {
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- utils.Fatalf("Error loading %s.js: %v", apiName, err)
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- }
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- }
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-
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- _, err = js.re.Eval(shortcuts)
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-
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- if err != nil {
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- utils.Fatalf("Error setting namespaces: %v", err)
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- }
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-
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- js.re.Eval(globalRegistrar + "registrar = GlobalRegistrar.at(\"" + globalRegistrarAddr + "\");")
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-}
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-
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-var ds, _ = docserver.New("/")
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-
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-/*
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-func (self *jsre) ConfirmTransaction(tx string) bool {
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- if self.ethereum.NatSpec {
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- notice := natspec.GetNotice(self.xeth, tx, ds)
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- fmt.Println(notice)
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- answer, _ := self.Prompt("Confirm Transaction [y/n]")
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- return strings.HasPrefix(strings.Trim(answer, " "), "y")
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- } else {
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- return true
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- }
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-}
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-
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-func (self *jsre) UnlockAccount(addr []byte) bool {
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- fmt.Printf("Please unlock account %x.\n", addr)
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- pass, err := self.PasswordPrompt("Passphrase: ")
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- if err != nil {
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- return false
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- }
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- // TODO: allow retry
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- if err := self.ethereum.AccountManager().Unlock(common.BytesToAddress(addr), pass); err != nil {
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- return false
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- } else {
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- fmt.Println("Account is now unlocked for this session.")
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- return true
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- }
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-}
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-*/
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-
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-func (self *jsre) exec(filename string) error {
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- if err := self.re.Exec(filename); err != nil {
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- self.re.Stop(false)
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- return fmt.Errorf("Javascript Error: %v", err)
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- }
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- self.re.Stop(true)
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- return nil
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-}
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-
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-func (self *jsre) suportedApis(ipcpath string) (map[string]string, error) {
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- config := comms.IpcConfig{
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- Endpoint: ipcpath,
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- }
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-
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- client, err := comms.NewIpcClient(config, codec.JSON)
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- if err != nil {
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- return nil, err
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- }
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-
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- req := shared.Request{
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- Id: 1,
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- Jsonrpc: "2.0",
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- Method: "modules",
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- }
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-
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- err = client.Send(req)
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- if err != nil {
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- return nil, err
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- }
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-
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- res, err := client.Recv()
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- if err != nil {
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- return nil, err
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- }
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-
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- if sucRes, ok := res.(shared.SuccessResponse); ok {
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- data, _ := json.Marshal(sucRes.Result)
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- apis := make(map[string]string)
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- err = json.Unmarshal(data, &apis)
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- if err == nil {
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- return apis, nil
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- }
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- }
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-
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- return nil, fmt.Errorf("Unable to determine supported API's")
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-}
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-
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-// show summary of current geth instance
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-func (self *jsre) welcome(ipcpath string) {
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- self.re.Eval(`console.log('instance: ' + web3.version.client);`)
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- self.re.Eval(`console.log(' datadir: ' + admin.datadir);`)
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- self.re.Eval(`console.log("coinbase: " + eth.coinbase);`)
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- self.re.Eval(`var lastBlockTimestamp = 1000 * eth.getBlock(eth.blockNumber).timestamp`)
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- self.re.Eval(`console.log("at block: " + eth.blockNumber + " (" + new Date(lastBlockTimestamp).toLocaleDateString()
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- + " " + new Date(lastBlockTimestamp).toLocaleTimeString() + ")");`)
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-
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- if modules, err := self.suportedApis(ipcpath); err == nil {
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- loadedModules := make([]string, 0)
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- for api, version := range modules {
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- loadedModules = append(loadedModules, fmt.Sprintf("%s:%s", api, version))
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- }
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- sort.Strings(loadedModules)
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-
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- self.re.Eval(fmt.Sprintf("var modules = '%s';", strings.Join(loadedModules, " ")))
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- self.re.Eval(`console.log(" modules: " + modules);`)
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- }
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-}
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-
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-func (self *jsre) batch(args cli.Args) {
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- statement := strings.Join(args, " ")
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- val, err := self.re.Run(statement)
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-
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- if err != nil {
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- fmt.Printf("error: %v", err)
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- } else if val.IsDefined() && val.IsObject() {
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- obj, _ := self.re.Get("ret_result")
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- fmt.Printf("%v", obj)
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- } else if val.IsDefined() {
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- fmt.Printf("%v", val)
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- }
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-
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- if self.atexit != nil {
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- self.atexit()
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- }
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-
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- self.re.Stop(false)
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-}
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-
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-func (self *jsre) interactive(ipcpath string) {
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- self.welcome(ipcpath)
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-
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- // Read input lines.
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- prompt := make(chan string)
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- inputln := make(chan string)
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- go func() {
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- defer close(inputln)
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- for {
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- line, err := self.Prompt(<-prompt)
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- if err != nil {
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- return
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- }
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- inputln <- line
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- }
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- }()
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- // Wait for Ctrl-C, too.
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- sig := make(chan os.Signal, 1)
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- signal.Notify(sig, os.Interrupt)
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-
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- defer func() {
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- if self.atexit != nil {
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- self.atexit()
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- }
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- self.re.Stop(false)
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- }()
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- for {
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- prompt <- self.ps1
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- select {
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- case <-sig:
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- fmt.Println("caught interrupt, exiting")
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- return
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- case input, ok := <-inputln:
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- if !ok || indentCount <= 0 && input == "exit" {
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- return
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- }
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- if input == "" {
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- continue
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- }
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- str += input + "\n"
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- self.setIndent()
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- if indentCount <= 0 {
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- hist := str[:len(str)-1]
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- self.AppendHistory(hist)
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- self.parseInput(str)
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- str = ""
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- }
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- }
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- }
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-}
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-
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-func (self *jsre) withHistory(op func(*os.File)) {
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- hist, err := os.OpenFile(filepath.Join(self.datadir, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
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- if err != nil {
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- fmt.Printf("unable to open history file: %v\n", err)
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- return
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- }
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- op(hist)
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- hist.Close()
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-}
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-
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-func (self *jsre) parseInput(code string) {
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- defer func() {
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- if r := recover(); r != nil {
|
|
|
- fmt.Println("[native] error", r)
|
|
|
- }
|
|
|
- }()
|
|
|
- value, err := self.re.Run(code)
|
|
|
- if err != nil {
|
|
|
- if ottoErr, ok := err.(*otto.Error); ok {
|
|
|
- fmt.Println(ottoErr.String())
|
|
|
- } else {
|
|
|
- fmt.Println(err)
|
|
|
- }
|
|
|
- return
|
|
|
- }
|
|
|
- self.printValue(value)
|
|
|
-}
|
|
|
-
|
|
|
-var indentCount = 0
|
|
|
-var str = ""
|
|
|
-
|
|
|
-func (self *jsre) setIndent() {
|
|
|
- open := strings.Count(str, "{")
|
|
|
- open += strings.Count(str, "(")
|
|
|
- closed := strings.Count(str, "}")
|
|
|
- closed += strings.Count(str, ")")
|
|
|
- indentCount = open - closed
|
|
|
- if indentCount <= 0 {
|
|
|
- self.ps1 = "> "
|
|
|
- } else {
|
|
|
- self.ps1 = strings.Join(make([]string, indentCount*2), "..")
|
|
|
- self.ps1 += " "
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-func (self *jsre) printValue(v interface{}) {
|
|
|
- val, err := self.re.PrettyPrint(v)
|
|
|
- if err == nil {
|
|
|
- fmt.Printf("%v", val)
|
|
|
- }
|
|
|
-}
|