Modify test to run all three styles for C.

test.py

@@ -13,7 +13,7 @@ def build_cbindgen():
     except subprocess.CalledProcessError:
         return False
 
-def cbindgen(path, out, c):
+def cbindgen(path, out, c, style):
     bin = ["cargo", "run", "--"]
     compile = [path, "-o", out]
     flags = []
@@ -21,6 +21,9 @@ def cbindgen(path, out, c):
     if c:
         flags += ["--lang", "c"]
 
+    if style:
+        flags += ["--style", style]
+
     config = path.replace(".rs", ".toml")
     if not os.path.isdir(path) and os.path.exists(config):
         flags += ["--config", config]
@@ -45,7 +48,7 @@ def gxx(src):
     subprocess.check_output([gxx_bin, "-D", "DEFINED", "-std=c++11", "-c", src, "-o", "tests/expectations/tmp.o"])
     os.remove("tests/expectations/tmp.o")
 
-def run_compile_test(rust_src, should_verify, c):
+def run_compile_test(rust_src, should_verify, c, style=""):
     is_crate = os.path.isdir(rust_src)
 
     test_name = rust_src
@@ -59,7 +62,8 @@ def run_compile_test(rust_src, should_verify, c):
         expectation = False
 
     if c:
-        out = os.path.join('tests/expectations/', test_name + ".c")
+        subdir = style if style != "type" else ""
+        out = os.path.join('tests/expectations/', subdir, test_name + ".c")
         verify = 'tests/expectations/__verify__.c'
     else:
         out = os.path.join('tests/expectations/', test_name + ".cpp")
@@ -67,7 +71,7 @@ def run_compile_test(rust_src, should_verify, c):
 
     try:
         if should_verify:
-            cbindgen(rust_src, verify, c)
+            cbindgen(rust_src, verify, c, style)
 
             if c:
                 gcc(verify)
@@ -79,7 +83,7 @@ def run_compile_test(rust_src, should_verify, c):
                 return False
             os.remove(verify)
         else:
-            cbindgen(rust_src, out, c)
+            cbindgen(rust_src, out, c, style)
 
             if c:
                 gcc(out)
@@ -118,12 +122,13 @@ num_fail = 0
 # C
 
 for test in tests:
-    if run_compile_test(test, should_verify, True):
-        num_pass += 1
-        print("Pass - %s" % test)
-    else:
-        num_fail += 1
-        print("Fail - %s" % test)
+    for style in ["type", "tag", "both"]:
+        if run_compile_test(test, should_verify, True, style):
+            num_pass += 1
+            print("Pass - %s" % test)
+        else:
+            num_fail += 1
+            print("Fail - %s" % test)
 
 # C++
 

tests/expectations/both/alias.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+enum Status {
+  Ok,
+  Err,
+};
+typedef uint32_t Status;
+
+typedef struct Dep {
+  int32_t a;
+  float b;
+} Dep;
+
+typedef struct Foo_i32 {
+  int32_t a;
+  int32_t b;
+  Dep c;
+} Foo_i32;
+
+typedef Foo_i32 IntFoo;
+
+typedef struct Foo_f64 {
+  double a;
+  double b;
+  Dep c;
+} Foo_f64;
+
+typedef Foo_f64 DoubleFoo;
+
+typedef int32_t Unit;
+
+typedef Status SpecialStatus;
+
+void root(IntFoo x, DoubleFoo y, Unit z, SpecialStatus w);

tests/expectations/both/annotation.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+enum C {
+  X = 2,
+  Y,
+};
+typedef uint32_t C;
+
+typedef struct A {
+  int32_t m0;
+} A;
+
+typedef struct B {
+  int32_t x;
+  float y;
+} B;
+
+void root(A x, B y, C z);

tests/expectations/both/cdecl.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef void (*A)();
+
+typedef void (*B)();
+
+typedef bool (*C)(int32_t, int32_t);
+
+typedef bool (*(*D)(int32_t))(float);
+
+typedef int32_t (*(*E)())[16];
+
+typedef const int32_t *F;
+
+typedef const int32_t *const *G;
+
+typedef int32_t *const *H;
+
+typedef int32_t (*I)[16];
+
+typedef double (**J)(float);
+
+typedef int32_t K[16];
+
+typedef const int32_t *L[16];
+
+typedef bool (*M[16])(int32_t, int32_t);
+
+typedef void (*N[16])(int32_t, int32_t);
+
+void (*O(void))(void);
+
+void root(A a, B b, C c, D d, E e, F f, G g, H h, I i, J j, K k, L l, M m, N n);

tests/expectations/both/cfg-2.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#if (defined(NOT_DEFINED) || defined(DEFINED))
+typedef struct Foo {
+  int32_t x;
+} Foo;
+#endif
+
+#if defined(NOT_DEFINED)
+typedef struct Bar {
+  Foo y;
+} Bar;
+#endif
+
+#if defined(DEFINED)
+typedef struct Bar {
+  Foo z;
+} Bar;
+#endif
+
+typedef struct Root {
+  Bar w;
+} Root;
+
+void root(Root a);

tests/expectations/both/cfg-field.c

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

tests/expectations/both/cfg.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#if (defined(PLATFORM_WIN) || defined(M_32))
+enum BarType {
+  A,
+  B,
+  C,
+};
+typedef uint32_t BarType;
+#endif
+
+#if (defined(PLATFORM_UNIX) && defined(X11))
+enum FooType {
+  A,
+  B,
+  C,
+};
+typedef uint32_t FooType;
+#endif
+
+#if (defined(PLATFORM_UNIX) && defined(X11))
+typedef struct FooHandle {
+  FooType ty;
+  int32_t x;
+  float y;
+} FooHandle;
+#endif
+
+#if (defined(PLATFORM_WIN) || defined(M_32))
+typedef struct BarHandle {
+  BarType ty;
+  int32_t x;
+  float y;
+} BarHandle;
+#endif
+
+#if (defined(PLATFORM_UNIX) && defined(X11))
+void root(FooHandle a);
+#endif
+
+#if (defined(PLATFORM_WIN) || defined(M_32))
+void root(BarHandle a);
+#endif

tests/expectations/both/constant.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#define FOO 10
+
+#define ZOM 3.14
+
+typedef struct Foo {
+  int32_t x[FOO];
+} Foo;
+
+void root(Foo x);

tests/expectations/both/display_list.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct Rect {
+  float x;
+  float y;
+  float w;
+  float h;
+} Rect;
+
+typedef struct Color {
+  uint8_t r;
+  uint8_t g;
+  uint8_t b;
+  uint8_t a;
+} Color;
+
+enum DisplayItem_Tag {
+  Fill,
+  Image,
+  ClearScreen,
+};
+typedef uint8_t DisplayItem_Tag;
+
+typedef struct Fill_Body {
+  DisplayItem_Tag tag;
+  Rect _0;
+  Color _1;
+} Fill_Body;
+
+typedef struct Image_Body {
+  DisplayItem_Tag tag;
+  uint32_t id;
+  Rect bounds;
+} Image_Body;
+
+typedef union DisplayItem {
+  DisplayItem_Tag tag;
+  Fill_Body fill;
+  Image_Body image;
+} DisplayItem;
+
+bool push_item(DisplayItem item);

tests/expectations/both/enum.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+enum A {
+  a1 = 0,
+  a2 = 2,
+  a3,
+  a4 = 5,
+};
+typedef uint32_t A;
+
+enum B {
+  b1 = 0,
+  b2 = 2,
+  b3,
+  b4 = 5,
+};
+typedef uint16_t B;
+
+enum C {
+  c1 = 0,
+  c2 = 2,
+  c3,
+  c4 = 5,
+};
+typedef uint8_t C;
+
+enum D {
+  d1 = 0,
+  d2 = 2,
+  d3,
+  d4 = 5,
+};
+typedef uintptr_t D;
+
+enum E {
+  e1 = 0,
+  e2 = 2,
+  e3,
+  e4 = 5,
+};
+typedef intptr_t E;
+
+typedef struct I I;
+
+typedef struct J J;
+
+typedef struct Opaque Opaque;
+
+enum F_Tag {
+  Foo,
+  Bar,
+  Baz,
+};
+typedef uint8_t F_Tag;
+
+typedef struct Foo_Body {
+  F_Tag tag;
+  int16_t _0;
+} Foo_Body;
+
+typedef struct Bar_Body {
+  F_Tag tag;
+  uint8_t x;
+  int16_t y;
+} Bar_Body;
+
+typedef union F {
+  F_Tag tag;
+  Foo_Body foo;
+  Bar_Body bar;
+} F;
+
+typedef enum G_Tag {
+  G_Foo,
+  G_Bar,
+  G_Baz,
+} G_Tag;
+
+typedef struct G_Foo_Body {
+  int16_t _0;
+} G_Foo_Body;
+
+typedef struct G_Bar_Body {
+  uint8_t x;
+  int16_t y;
+} G_Bar_Body;
+
+typedef struct G {
+  G_Tag tag;
+  union {
+    G_Foo_Body foo;
+    G_Bar_Body bar;
+  };
+} G;
+
+enum H_Tag {
+  H_Foo,
+  H_Bar,
+  H_Baz,
+};
+typedef uint8_t H_Tag;
+
+typedef struct H_Foo_Body {
+  int16_t _0;
+} H_Foo_Body;
+
+typedef struct H_Bar_Body {
+  uint8_t x;
+  int16_t y;
+} H_Bar_Body;
+
+typedef struct H {
+  H_Tag tag;
+  union {
+    H_Foo_Body foo;
+    H_Bar_Body bar;
+  };
+} H;
+
+void root(Opaque *o, A a, B b, C c, D d, E e, F f, G g, H h, I i, J j);

tests/expectations/both/euclid.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct TypedLength_f32__UnknownUnit {
+  float _0;
+} TypedLength_f32__UnknownUnit;
+
+typedef struct TypedLength_f32__LayoutUnit {
+  float _0;
+} TypedLength_f32__LayoutUnit;
+
+typedef TypedLength_f32__UnknownUnit Length_f32;
+
+typedef TypedLength_f32__LayoutUnit LayoutLength;
+
+typedef struct TypedSideOffsets2D_f32__UnknownUnit {
+  float top;
+  float right;
+  float bottom;
+  float left;
+} TypedSideOffsets2D_f32__UnknownUnit;
+
+typedef struct TypedSideOffsets2D_f32__LayoutUnit {
+  float top;
+  float right;
+  float bottom;
+  float left;
+} TypedSideOffsets2D_f32__LayoutUnit;
+
+typedef TypedSideOffsets2D_f32__UnknownUnit SideOffsets2D_f32;
+
+typedef TypedSideOffsets2D_f32__LayoutUnit LayoutSideOffsets2D;
+
+typedef struct TypedSize2D_f32__UnknownUnit {
+  float width;
+  float height;
+} TypedSize2D_f32__UnknownUnit;
+
+typedef struct TypedSize2D_f32__LayoutUnit {
+  float width;
+  float height;
+} TypedSize2D_f32__LayoutUnit;
+
+typedef TypedSize2D_f32__UnknownUnit Size2D_f32;
+
+typedef TypedSize2D_f32__LayoutUnit LayoutSize2D;
+
+typedef struct TypedPoint2D_f32__UnknownUnit {
+  float x;
+  float y;
+} TypedPoint2D_f32__UnknownUnit;
+
+typedef struct TypedPoint2D_f32__LayoutUnit {
+  float x;
+  float y;
+} TypedPoint2D_f32__LayoutUnit;
+
+typedef TypedPoint2D_f32__UnknownUnit Point2D_f32;
+
+typedef TypedPoint2D_f32__LayoutUnit LayoutPoint2D;
+
+typedef struct TypedRect_f32__UnknownUnit {
+  TypedPoint2D_f32__UnknownUnit origin;
+  TypedSize2D_f32__UnknownUnit size;
+} TypedRect_f32__UnknownUnit;
+
+typedef struct TypedRect_f32__LayoutUnit {
+  TypedPoint2D_f32__LayoutUnit origin;
+  TypedSize2D_f32__LayoutUnit size;
+} TypedRect_f32__LayoutUnit;
+
+typedef TypedRect_f32__UnknownUnit Rect_f32;
+
+typedef TypedRect_f32__LayoutUnit LayoutRect;
+
+typedef struct TypedTransform2D_f32__UnknownUnit__LayoutUnit {
+  float m11;
+  float m12;
+  float m21;
+  float m22;
+  float m31;
+  float m32;
+} TypedTransform2D_f32__UnknownUnit__LayoutUnit;
+
+typedef struct TypedTransform2D_f32__LayoutUnit__UnknownUnit {
+  float m11;
+  float m12;
+  float m21;
+  float m22;
+  float m31;
+  float m32;
+} TypedTransform2D_f32__LayoutUnit__UnknownUnit;
+
+void root(TypedLength_f32__UnknownUnit length_a,
+          TypedLength_f32__LayoutUnit length_b,
+          Length_f32 length_c,
+          LayoutLength length_d,
+          TypedSideOffsets2D_f32__UnknownUnit side_offsets_a,
+          TypedSideOffsets2D_f32__LayoutUnit side_offsets_b,
+          SideOffsets2D_f32 side_offsets_c,
+          LayoutSideOffsets2D side_offsets_d,
+          TypedSize2D_f32__UnknownUnit size_a,
+          TypedSize2D_f32__LayoutUnit size_b,
+          Size2D_f32 size_c,
+          LayoutSize2D size_d,
+          TypedPoint2D_f32__UnknownUnit point_a,
+          TypedPoint2D_f32__LayoutUnit point_b,
+          Point2D_f32 point_c,
+          LayoutPoint2D point_d,
+          TypedRect_f32__UnknownUnit rect_a,
+          TypedRect_f32__LayoutUnit rect_b,
+          Rect_f32 rect_c,
+          LayoutRect rect_d,
+          TypedTransform2D_f32__UnknownUnit__LayoutUnit transform_a,
+          TypedTransform2D_f32__LayoutUnit__UnknownUnit transform_b);

tests/expectations/both/expand.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct Foo {
+
+} Foo;
+
+void root(Foo a);

tests/expectations/both/extern-2.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+void first(void);
+
+void second(void);

tests/expectations/both/extern.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct Normal {
+  int32_t x;
+  float y;
+} Normal;
+
+extern void bar(Normal a);
+
+extern int32_t foo(void);

tests/expectations/both/include.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <math.h>

tests/expectations/both/include_item.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct A {
+  int32_t x;
+  float y;
+} A;
+
+typedef struct B {
+  A data;
+} B;

tests/expectations/both/inner_mod.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct Foo {
+  float x;
+} Foo;
+
+void root(Foo a);

tests/expectations/both/monomorph-1.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct Bar_Bar_f32 Bar_Bar_f32;
+
+typedef struct Bar_Foo_f32 Bar_Foo_f32;
+
+typedef struct Bar_f32 Bar_f32;
+
+typedef struct Foo_i32 {
+  const int32_t *data;
+} Foo_i32;
+
+typedef struct Foo_f32 {
+  const float *data;
+} Foo_f32;
+
+typedef struct Foo_Bar_f32 {
+  const Bar_f32 *data;
+} Foo_Bar_f32;
+
+typedef struct Tuple_Foo_f32_____f32 {
+  const Foo_f32 *a;
+  const float *b;
+} Tuple_Foo_f32_____f32;
+
+typedef struct Tuple_f32__f32 {
+  const float *a;
+  const float *b;
+} Tuple_f32__f32;
+
+typedef Tuple_f32__f32 Indirection_f32;
+
+void root(Foo_i32 a,
+          Foo_f32 b,
+          Bar_f32 c,
+          Foo_Bar_f32 d,
+          Bar_Foo_f32 e,
+          Bar_Bar_f32 f,
+          Tuple_Foo_f32_____f32 g,
+          Indirection_f32 h);

tests/expectations/both/monomorph-2.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct A A;
+
+typedef struct B B;
+
+typedef struct List_B {
+  B *members;
+  uintptr_t count;
+} List_B;
+
+typedef struct List_A {
+  A *members;
+  uintptr_t count;
+} List_A;
+
+void bar(List_B b);
+
+void foo(List_A a);

tests/expectations/both/monomorph-3.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct Bar_Bar_f32 Bar_Bar_f32;
+
+typedef struct Bar_Foo_f32 Bar_Foo_f32;
+
+typedef struct Bar_f32 Bar_f32;
+
+typedef union Foo_i32 {
+  const int32_t *data;
+} Foo_i32;
+
+typedef union Foo_f32 {
+  const float *data;
+} Foo_f32;
+
+typedef union Foo_Bar_f32 {
+  const Bar_f32 *data;
+} Foo_Bar_f32;
+
+typedef union Tuple_Foo_f32_____f32 {
+  const Foo_f32 *a;
+  const float *b;
+} Tuple_Foo_f32_____f32;
+
+typedef union Tuple_f32__f32 {
+  const float *a;
+  const float *b;
+} Tuple_f32__f32;
+
+typedef Tuple_f32__f32 Indirection_f32;
+
+void root(Foo_i32 a,
+          Foo_f32 b,
+          Bar_f32 c,
+          Foo_Bar_f32 d,
+          Bar_Foo_f32 e,
+          Bar_Bar_f32 f,
+          Tuple_Foo_f32_____f32 g,
+          Indirection_f32 h);

tests/expectations/both/rename.c

+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#define C_H 10
+
+enum C_E {
+  x = 0,
+  y = 1,
+};
+typedef uint8_t C_E;
+
+typedef struct C_A C_A;
+