1 #include <stdarg.h>
2 #include <stdbool.h>
3 #include <stdint.h>
4 #include <stdlib.h>
5 
6 enum FillRule {
7   A,
8   B,
9 };
10 typedef uint8_t FillRule;
11 
12 /**
13  * This will have a destructor manually implemented via variant_body, and
14  * similarly a Drop impl in Rust.
15  */
16 typedef struct OwnedSlice_u32 {
17   uintptr_t len;
18   uint32_t *ptr;
19 } OwnedSlice_u32;
20 
21 typedef struct Polygon_u32 {
22   FillRule fill;
23   OwnedSlice_u32 coordinates;
24 } Polygon_u32;
25 
26 /**
27  * This will have a destructor manually implemented via variant_body, and
28  * similarly a Drop impl in Rust.
29  */
30 typedef struct OwnedSlice_i32 {
31   uintptr_t len;
32   int32_t *ptr;
33 } OwnedSlice_i32;
34 
35 enum Foo_u32_Tag {
36   Bar_u32,
37   Polygon1_u32,
38   Slice1_u32,
39   Slice2_u32,
40   Slice3_u32,
41   Slice4_u32,
42 };
43 typedef uint8_t Foo_u32_Tag;
44 
45 typedef struct Polygon1_Body_u32 {
46   Polygon_u32 _0;
47 } Polygon1_Body_u32;
48 
49 typedef struct Slice1_Body_u32 {
50   OwnedSlice_u32 _0;
51 } Slice1_Body_u32;
52 
53 typedef struct Slice2_Body_u32 {
54   OwnedSlice_i32 _0;
55 } Slice2_Body_u32;
56 
57 typedef struct Slice3_Body_u32 {
58   FillRule fill;
59   OwnedSlice_u32 coords;
60 } Slice3_Body_u32;
61 
62 typedef struct Slice4_Body_u32 {
63   FillRule fill;
64   OwnedSlice_i32 coords;
65 } Slice4_Body_u32;
66 
67 typedef struct Foo_u32 {
68   Foo_u32_Tag tag;
69   union {
70     Polygon1_Body_u32 polygon1;
71     Slice1_Body_u32 slice1;
72     Slice2_Body_u32 slice2;
73     Slice3_Body_u32 slice3;
74     Slice4_Body_u32 slice4;
75   };
76 } Foo_u32;
77 
78 typedef struct Polygon_i32 {
79   FillRule fill;
80   OwnedSlice_i32 coordinates;
81 } Polygon_i32;
82 
83 enum Baz_i32_Tag {
84   Bar2_i32,
85   Polygon21_i32,
86   Slice21_i32,
87   Slice22_i32,
88   Slice23_i32,
89   Slice24_i32,
90 };
91 typedef uint8_t Baz_i32_Tag;
92 
93 typedef struct Polygon21_Body_i32 {
94   Baz_i32_Tag tag;
95   Polygon_i32 _0;
96 } Polygon21_Body_i32;
97 
98 typedef struct Slice21_Body_i32 {
99   Baz_i32_Tag tag;
100   OwnedSlice_i32 _0;
101 } Slice21_Body_i32;
102 
103 typedef struct Slice22_Body_i32 {
104   Baz_i32_Tag tag;
105   OwnedSlice_i32 _0;
106 } Slice22_Body_i32;
107 
108 typedef struct Slice23_Body_i32 {
109   Baz_i32_Tag tag;
110   FillRule fill;
111   OwnedSlice_i32 coords;
112 } Slice23_Body_i32;
113 
114 typedef struct Slice24_Body_i32 {
115   Baz_i32_Tag tag;
116   FillRule fill;
117   OwnedSlice_i32 coords;
118 } Slice24_Body_i32;
119 
120 typedef union Baz_i32 {
121   Baz_i32_Tag tag;
122   Polygon21_Body_i32 polygon21;
123   Slice21_Body_i32 slice21;
124   Slice22_Body_i32 slice22;
125   Slice23_Body_i32 slice23;
126   Slice24_Body_i32 slice24;
127 } Baz_i32;
128 
129 enum Taz_Tag {
130   Bar3,
131   Taz1,
132   Taz3,
133 };
134 typedef uint8_t Taz_Tag;
135 
136 typedef struct Taz1_Body {
137   Taz_Tag tag;
138   int32_t _0;
139 } Taz1_Body;
140 
141 typedef struct Taz3_Body {
142   Taz_Tag tag;
143   OwnedSlice_i32 _0;
144 } Taz3_Body;
145 
146 typedef union Taz {
147   Taz_Tag tag;
148   Taz1_Body taz1;
149   Taz3_Body taz3;
150 } Taz;
151 
152 enum Tazz_Tag {
153   Bar4,
154   Taz2,
155 };
156 typedef uint8_t Tazz_Tag;
157 
158 typedef struct Taz2_Body {
159   Tazz_Tag tag;
160   int32_t _0;
161 } Taz2_Body;
162 
163 typedef union Tazz {
164   Tazz_Tag tag;
165   Taz2_Body taz2;
166 } Tazz;
167 
168 void root(const Foo_u32 *a, const Baz_i32 *b, const Taz *c, Tazz d);
169