cmd/disasm, cmd/evm: integrate disasm tool into evm tool. (#3729)
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@ -1,4 +1,4 @@
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// Copyright 2015 The go-ethereum Authors
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// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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@ -14,29 +14,40 @@
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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// disasm is a pretty-printer for EVM bytecode.
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package main
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"github.com/ethereum/go-ethereum/core/asm"
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cli "gopkg.in/urfave/cli.v1"
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"strings"
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)
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func main() {
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in, err := ioutil.ReadAll(os.Stdin)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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var disasmCommand = cli.Command{
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Action: disasmCmd,
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Name: "disasm",
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Usage: "disassembles evm binary",
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ArgsUsage: "<file>",
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}
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func disasmCmd(ctx *cli.Context) error {
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if len(ctx.Args().First()) == 0 {
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return errors.New("filename required")
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}
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fn := ctx.Args().First()
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in, err := ioutil.ReadFile(fn)
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if err != nil {
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return err
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}
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code := strings.TrimSpace(string(in[:]))
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fmt.Printf("%v\n", code)
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err = asm.PrintDisassembled(code)
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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if err = asm.PrintDisassembled(code); err != nil {
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return err
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}
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return nil
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}
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@ -101,6 +101,7 @@ func init() {
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}
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app.Commands = []cli.Command{
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compileCommand,
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disasmCommand,
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runCommand,
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}
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}
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