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/internal/compiler/compiler.go | 39 +++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 cmd/evm/internal/compiler/compiler.go (limited to 'cmd/evm/internal/compiler') diff --git a/cmd/evm/internal/compiler/compiler.go b/cmd/evm/internal/compiler/compiler.go new file mode 100644 index 000000000..753ca6226 --- /dev/null +++ b/cmd/evm/internal/compiler/compiler.go @@ -0,0 +1,39 @@ +// 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 compiler + +import ( + "errors" + "fmt" + + "github.com/ethereum/go-ethereum/core/asm" +) + +func Compile(fn string, src []byte, debug bool) (string, error) { + compiler := asm.NewCompiler(debug) + compiler.Feed(asm.Lex(fn, src, debug)) + + bin, compileErrors := compiler.Compile() + if len(compileErrors) > 0 { + // report errors + for _, err := range compileErrors { + fmt.Printf("%s:%v\n", fn, err) + } + return "", errors.New("compiling failed") + } + return bin, nil +} -- cgit