How vscode compiles and runs c/c++ programs

安装微软C/C++插件

在VS Code的扩展图标里搜索c++，安装C/C++插件并重载VS Code

重启VS Code之后，打开一个含c/c++源码的文件夹，VS Code将会创建一个名为.vscode的子文件夹用于存放配置文件。

安装MinGW

去官网下载安装器，安装好后选择需要安装的工具：

选择好之后应用更改：

然后修改系统的环境变量，将可执行文件目录加入到Path中：

智能提示

为实现代码补全，需要创建一个c_cpp_properties.json文件。新建一个hello.c，输入：

#include  int main(void) { printf("hello"); getchar(); return 0; }

VS Code会提示找不到头文件，点击错误处的小灯泡，编辑包含路径

在c_cpp_properties.json中修改Win32下的路径设置

"browse": { "path": [ "${workspaceRoot}", "C:\\DevProgram\\MinGW\\lib\\gcc\\mingw32\\6.3.0\\include\\c++" ], "limitSymbolsToIncludedHeaders": true, "databaseFilename": "" }

返回编辑器，点击小灯泡，将头文件所在目录添加到包含路径中

构建程序

构建程序需要创建一个tasks.json文件，点击任务->配置任务：

在弹出的选项中选择Others，然后修改tasks.json

{ "version": "2.0.0", "tasks": [ { "taskName": "build hello", "type": "shell", "command": "g++", "args": [ "-g", "hello.c" ], "group": { "kind": "build", "isDefault": true } } ] }

调试代码

调试代码需要创建一个launch.json文件，点击调试栏的齿轮图标

修改launch.json

{ "version": "0.2.0", "configurations": [ { "name": "(gdb) Launch", "type": "cppdbg", "request": "launch", "program": "${workspaceFolder}/a.exe", "args": [], "stopAtEntry": false, "cwd": "${workspaceFolder}", "environment": [], "externalConsole": true, "MIMode": "gdb", "miDebuggerPath": "C:\\DevProgram\\MinGW\\bin\\gdb.exe", "setupCommands": [ { "description": "Enable pretty-printing for gdb", "text": "-enable-pretty-printing", "ignoreFailures": true } ], "preLaunchTask": "build hello" } ] }

调试运行

返回编辑器，设置断点，按F5开始调试

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