sample.hal

/* License comment 
*/

version 10.3;
package android.hardware.foo;
import android.hardware.bar;
import android.hardware.baz;
import android.hardware.cow;
interface asdf { 
typedef int32_t int;
typedef uint32_t u32;

struct C {
  ref<int> r;
};

struct B {
  string s;
  handle bar;
};

union udfoo : int {
  ref<int> r on (A);
  ref<int> s on (B);
};
struct foo {
  vec<udfoo> baz;
  int[17] arr;
};
  const C1 = 5;
  const CH2 = 'a';
  const CH3 = '\n';
  enum en : char {a,b = 2, c = 'a',d = C1};
  fun(char c, int i);
  fun_gen(char c, int i) generates(u32 foo);
  @foo @bar(2) @baz(a=5, b=7) 
  oneway fun2(uint8_t u);
  union undisc_t {
	uint8_t a;
	char b;
  };

  enum u_disc_t : uint8_t {
	A,
	A_AGAIN = A,
	B = 17,
	ALSO_A,
	SOME_OTHER_ENUM
  };

  union u_t : u_disc_t {
	int a on(A, A_AGAIN, ALSO_A);
	char c on(C); 
	uint8_t b on(B);
  };

  struct s_t {
	u_t u;
	u_disc_t disc selects (u);
  };

// comment

 fun1(s_t info);
  fun2(u_t info, u_disc_t which selects(info));
  fun3(u_t info);
  fun4(s_t info, u_disc_t which selects(info.u));
  fun5(s_t info, u_disc_t which selects(info));

  struct whatever {
    union : u_disc_t {
      char a on(A);
      int a on(A);
      char a on(A);
      uint32_t b on(B);
    } the_union;
    char other_field;
  };
};
// Done
/* Really done */