From 230cf2ec9142b6a8f421cb8873deb5df1566e89c Mon Sep 17 00:00:00 2001 From: Jeffrey Wilcke Date: Wed, 1 Mar 2017 01:11:24 +0100 Subject: cmd/evm, core/asm: add EVM assembler (#3686) The evm compile command implements a simple assembly language that compiles to EVM bytecode. --- cmd/evm/compiler.go | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 cmd/evm/compiler.go (limited to 'cmd/evm/compiler.go') diff --git a/cmd/evm/compiler.go b/cmd/evm/compiler.go new file mode 100644 index 000000000..c019a2fe7 --- /dev/null +++ b/cmd/evm/compiler.go @@ -0,0 +1,55 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of go-ethereum. +// +// go-ethereum is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// go-ethereum is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with go-ethereum. If not, see . + +package main + +import ( + "errors" + "fmt" + "io/ioutil" + + "github.com/ethereum/go-ethereum/cmd/evm/internal/compiler" + + cli "gopkg.in/urfave/cli.v1" +) + +var compileCommand = cli.Command{ + Action: compileCmd, + Name: "compile", + Usage: "compiles easm source to evm binary", + ArgsUsage: "", +} + +func compileCmd(ctx *cli.Context) error { + debug := ctx.GlobalBool(DebugFlag.Name) + + if len(ctx.Args().First()) == 0 { + return errors.New("filename required") + } + + fn := ctx.Args().First() + src, err := ioutil.ReadFile(fn) + if err != nil { + return err + } + + bin, err := compiler.Compile(fn, src, debug) + if err != nil { + return err + } + fmt.Println(bin) + return nil +} -- cgit v1.2.3