github.com/goplus/llgo@v0.8.3/xtool/llvm/llvmlink/link.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 llvmlink
    18  
    19  import (
    20  	"io"
    21  	"os"
    22  	"os/exec"
    23  )
    24  
    25  // -----------------------------------------------------------------------------
    26  
    27  // Cmd represents a llvm-link command.
    28  type Cmd struct {
    29  	app string
    30  
    31  	Stdout io.Writer
    32  	Stderr io.Writer
    33  }
    34  
    35  // New creates a new llvm-link command.
    36  func New(app string) *Cmd {
    37  	if app == "" {
    38  		app = os.Getenv("LLGO_LLVM_ROOT") + "/bin/llvm-link"
    39  	}
    40  	return &Cmd{app, os.Stdout, os.Stderr}
    41  }
    42  
    43  func (p *Cmd) Exec(args ...string) error {
    44  	cmd := exec.Command(p.app, args...)
    45  	cmd.Stdout = p.Stdout
    46  	cmd.Stderr = p.Stderr
    47  	return cmd.Run()
    48  }
    49  
    50  // -----------------------------------------------------------------------------