nv-cli-make-simple-pod

• cli tool

• generate a c-struct from a json-config

• auto fill explicit padding

• only support pod

• not support bit-field

install

• npm install nv-cli-make-simple-pod -g

usage

    Usage: nv_cli_make_simple_pod [options] 
    Options:
        -n, --name                             struct name :  default MyPod
        -i, --input                            input string ,default stdin
        -o, --output                           output string,default stdout
        -l, --list_supported_leaf_types        list supported leaf type names
        -h, --help                             usage

example

        #nv_cli_make_simple_pod -i 

        {                         
            a        :"int",    //4 +4
            "b[3][2]":"double", //8 +48
            "c[2]"   : {        //56 +24   
                x: "char*",
                "y[10]": "char"
            },
            e        : {},
            "f[0]"   : "int",
            "g"      : "std::vector<int>" ,
            "h"      : "int32_t" 
        }


        struct MyPod {
            int a;                                    /*{offset:0 , sizeof:4, alignof:4} */
            uint8_t ___pad_aft_a[4];
            double b[3][2];                           /*{offset:8 , sizeof:48, alignof:8} */
            struct {
                char* x;           /*{offset:0 , sizeof:8, alignof:8} */
                char y[10];        /*{offset:8 , sizeof:10, alignof:1} */
                uint8_t ___pad_aft_y[6];
            } c[2];                                   /*{offset:56 , sizeof:24, alignof:8} */
            [[no_unique_address]] struct {} e;        /*{offset:80 , sizeof:0, alignof:1} */
            int f[0];                                 /*{offset:80 , sizeof:0, alignof:4} */
            std::vector<int> g;                       /*{offset:80 , sizeof:24, alignof:8} */
            int32_t h;                                /*{offset:104 , sizeof:4, alignof:4} */
            uint8_t ___pad_aft_h[4];
        };/*{sizeof:112, sizeof:8}*/

supported

      #nv_cli_make_simple_pod -l

        [
          'signed char',        'unsigned char',
          'short',              'short int',
          'signed short',       'signed short int',
          'unsigned short',     'unsigned short int',
          'int',                'signed',
          'signed int',         'unsigned',
          'unsigned int',       'long',
          'long int',           'signed long',
          'signed long int',    'unsigned long',
          'unsigned long int',  'long long',
          'signed long long',   'signed long long int',
          'unsigned long long', 'unsigned long long int',
          'std::nullptr_t',     'uint8_t',
          'uint16_t',           'uint32_t',
          'uint64_t',           'long long unsigned int',
          'int8_t',             'int16_t',
          'int32_t',            'int64_t',
          'long long int',      'bool',
          'float',              'double',
          'long double',        'char',
          'char8_t',            'char16_t',
          'char32_t',           'wchar_t',
          'std::float16_t',     'std::bfloat16_t',
          'std::float32_t',     'std::float64_t',
          'std::float128_t'
        ]

LICENSE

• ISC