Union

example_union_def = CUnionDef(
    "ExampleUnion",
    doc=Doc("Example Union", "This union has many schrodinger's cat members"),
    members=[
        CVariable("i8Title", Cint8, doc=Doc("Title")),
        CVariable("i8Asdf", Cint8, doc=Doc("Random variable")),
        CArray("i8Name", c_type=Cint8, length=3),
        CVariable("tNestedUnion", c_type=CUnionDef(
            # This union def is anonymous
            members=[
                CVariable("i64Qwer", Cint64),
            ]),
                  ),

        CVariable("tNestedUnion2", c_type=CUnionDef(
            "TNestedUnion2",
            members=[
                CVariable("i64Qwer", Cint64),
            ]).union,  # Reference the union type, not the def, and its not declared inplace
                  )
    ])

# Declaration of struct definition
print(example_union_def.declare().render())

/**
 * @brief Example Union
 * 
 * This union has many schrodinger's cat members
 */
union ExampleUnion
{
	/** @brief Title */
	int8_t i8Title;
	/** @brief Random variable */
	int8_t i8Asdf;
	int8_t i8Name[3];
	union 
	{
		int8_t i64Qwer;
	} tNestedUnion;
	union TNestedUnion2 tNestedUnion2;
};

# Can declare a struct with a variable in the same sentence
print(CVariable("tInst", c_type=example_union_def).declare().render())

/**
 * @brief Example Union
 * 
 * This union has many schrodinger's cat members
 */
union ExampleUnion
{
	/** @brief Title */
	int8_t i8Title;
	/** @brief Random variable */
	int8_t i8Asdf;
	int8_t i8Name[3];
	union 
	{
		int8_t i64Qwer;
	} tNestedUnion;
	union TNestedUnion2 tNestedUnion2;
} tInst;

# Or assume the struct is already declared and use it as type
print(CVariable("tInst", c_type=example_union_def.union).declare().render())

union ExampleUnion tInst;

# Can do a typedef of the struct with the declaration of the struct inplace
print(example_union_def.type("TMyStruct").typedef().render())

typedef union ExampleUnion
{
	/** @brief Title */
	int8_t i8Title;
	/** @brief Random variable */
	int8_t i8Asdf;
	int8_t i8Name[3];
	union 
	{
		int8_t i64Qwer;
	} tNestedUnion;
	union TNestedUnion2 tNestedUnion2;
} TMyStruct;

# Or the struct is already declared and can be typedefed afterwards
print(example_union_def.union.type("TMyStruct").typedef().render())

typedef union ExampleUnion TMyStruct;