github.com/goplus/llgo@v0.8.3/xtool/env/llvm/llvm.go (about) 1 /* 2 * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package llvm 18 19 import ( 20 "os" 21 22 "github.com/goplus/llgo/xtool/nm" 23 ) 24 25 type Env struct { 26 root string 27 nmprefix string 28 } 29 30 func New() *Env { 31 var nmprefix string 32 var root = os.Getenv("LLGO_LLVM_ROOT") 33 if root != "" { 34 nmprefix = root + "/bin/llvm-" 35 } 36 return &Env{root, nmprefix} 37 } 38 39 func (p *Env) Root() string { 40 return p.root 41 } 42 43 func (p *Env) Nm() *nm.Cmd { 44 return nm.New(p.nmprefix + "nm") 45 }