test_config.t

local C = terralib.includec("stdio.h")
local SCHEMA = terralib.includecstring
[[
#ifndef __CONFIG_SCHEMA_H__
#define __CONFIG_SCHEMA_H__

#include <stdbool.h>
#include <stdint.h>

typedef int TempProfile;
#define TempProfile_File 0

typedef int InflowProfile;
#define InflowProfile_File 0
#define InflowProfile_SuctionAndBlowing 1

struct Config {
  struct  {
    struct  {
      int32_t type;
      union  {
        struct  {
          int8_t FileDir[256];
        } File;
      } u;
    } xBCLeftHeat;
    struct  {
      int32_t type;
      union  {
        struct  {
          double addedVelocity;
          int8_t FileDir[256];
        } File;
        struct  {
          double sigma;
          struct  {
            uint32_t length;
            double values[10];
          } beta;
          double Zw;
          struct  {
            uint32_t length;
            double values[10];
          } A;
          struct  {
            uint32_t length;
            double values[10];
          } omega;
        } SuctionAndBlowing;
      } u;
    } yBCLeftInflowProfile;
    struct  {
      int32_t type;
      union  {
        struct  {
          double addedVelocity;
          int8_t FileDir[256];
        } File;
        struct  {
          double sigma;
          struct  {
            uint32_t length;
            double values[10];
          } beta;
          double Zw;
          struct  {
            uint32_t length;
            double values[10];
          } A;
          struct  {
            uint32_t length;
            double values[10];
          } omega;
        } SuctionAndBlowing;
      } u;
    } xBCLeftInflowProfile;
  } BC;
};

#endif // __CONFIG_SCHEMA_H__
]]

local Config = SCHEMA.Config

terra out(config : Config)
   C.printf("\nInside Terra function:\n")
   C.printf("%s\n", config.BC.xBCLeftInflowProfile.u.File.FileDir)
   C.printf("%s\n", config.BC.xBCLeftHeat.u.File.FileDir)
   C.printf("\n")
end

terra main()
   var config : Config
   C.snprintf(&(config.BC.xBCLeftInflowProfile.u.File.FileDir[0]), 256, "%s", "String1111111111111111111111111111111111111111")
   C.snprintf(&(config.BC.xBCLeftHeat.u.File.FileDir[0]),          256, "%s", "String2222222222222222222222222222222222222222")

   C.printf("Expect this ouput:\n")
   C.printf("%s\n", config.BC.xBCLeftInflowProfile.u.File.FileDir)
   C.printf("%s\n", config.BC.xBCLeftHeat.u.File.FileDir)
   C.printf("\n")
   out(config)
end
main()