tasks.json

{
  // See https://go.microsoft.com/fwlink/?LinkId=733558
  // for the documentation about the tasks.json format
  "version": "2.0.0",
  "tasks": [
    {
      "label": "win_flex",
      "type": "shell",
      "windows": {
        "command": "win_flex --wincompat -o lexer.cc lexer.l"
      }
    },
    {
      "label": "win_bison",
      "type": "shell",
      "windows": {
        "command": "win_bison --no-line -d -o parser.cc parser.y"
      }
    },
    {
      "label": "FlexBison Build",
      "dependsOrder": "sequence",
      "dependsOn": [
        "win_flex",
        "win_bison"
      ]
    }
  ]
}

<ctrl+shift+p>选择Run Task在选择"FlexBison Build"任务

files:

λ atree ./
|-- lexer.cc 
|-- lexer.l  
|-- parser.cc
|-- parser.h 
|-- parser.y 
|-- .vscode/
|   |-- tasks.json

See also: