JSON file of the AST of a C program

This piece of code is randomly chosen in Software Heritage popular piece of code. It is selected<br> by the size of its AST. To generate the AST the command is: <br> `clang -Xclang -ast-dump=json -fsyntax-only parse_date.c &gt; ast.json`<br>该代码片段是从软件遗产（Software Heritage）热门代码集合中随机选取的，选取依据为其抽象语法树（Abstract Syntax Tree，AST）的大小。生成该抽象语法树的命令如下：`clang -Xclang -ast-dump=json -fsyntax-only parse_date.c > ast.json`