fix: cython

Author: morrisonlevi

src/bindgen/language_backend/cython.rs

@@ -129,7 +129,10 @@ impl LanguageBackend for CythonLanguageBackend<'_> {
         self.write_documentation(out, &e.documentation);
 
         // Emit the tag enum and everything related to it.
-        e.write_tag_enum(self.config, self, out, size, Self::write_enum_variant);
+        // Skip writing the tag enum if this is a specialized monomorph with an external tag
+        if !e.external_tag {
+            e.write_tag_enum(self.config, self, out, size, Self::write_enum_variant);
+        }
 
         // If the enum has data, we need to emit structs for the variants and gather them together.
         if has_data {

tests/expectations/merge_generic_tags.pyx

@@ -11,18 +11,12 @@ cdef extern from *:
     None,
 
 
-  ctypedef enum COption_Tag:
-    Some_u8,
-    None_u8,
 
 
   ctypedef struct COption_u8:
     COption_Tag tag;
     uint8_t some;
 
-  ctypedef enum COption_Tag:
-    Some_u32,
-    None_u32,
 
 
   ctypedef struct COption_u32:

tests/expectations/merge_generic_tags_export_prefix.pyx

@@ -16,9 +16,6 @@ cdef extern from *:
     PREFIX_C_RESULT_ERR,
 
 
-  ctypedef enum Prefix_COption_Tag:
-    PREFIX_C_OPTION_U32_SOME_U32,
-    PREFIX_C_OPTION_U32_NONE_U32,
 
 
   ctypedef struct Prefix_COption_u32:
@@ -29,38 +26,26 @@ cdef extern from *:
     int32_t code;
     const uint8_t *message;
 
-  ctypedef enum Prefix_CResult_Tag:
-    PREFIX_C_RESULT_U32_ERROR_INFO_OK_U32_ERROR_INFO,
-    PREFIX_C_RESULT_U32_ERROR_INFO_ERR_U32_ERROR_INFO,
 
 
   ctypedef struct Prefix_CResult_u32__ErrorInfo:
     Prefix_CResult_Tag tag;
     uint32_t ok;
     Prefix_ErrorInfo err;
 
-  ctypedef enum Prefix_COption_Tag:
-    PREFIX_C_OPTION_U8_SOME_U8,
-    PREFIX_C_OPTION_U8_NONE_U8,
 
 
   ctypedef struct Prefix_COption______u8:
     Prefix_COption_Tag tag;
     const uint8_t *some;
 
-  ctypedef enum Prefix_CResult_Tag:
-    PREFIX_C_RESULT_U8_I32_OK_U8_I32,
-    PREFIX_C_RESULT_U8_I32_ERR_U8_I32,
 
 
   ctypedef struct Prefix_CResult______u8__i32:
     Prefix_CResult_Tag tag;
     const uint8_t *ok;
     int32_t err;
 
-  ctypedef enum Prefix_COption_Tag:
-    PREFIX_C_OPTION_I32_SOME_I32,
-    PREFIX_C_OPTION_I32_NONE_I32,
 
 
   ctypedef struct Prefix_COption_i32:

tests/expectations/merge_generic_tags_export_prefix_tag.pyx

@@ -16,9 +16,6 @@ cdef extern from *:
     PREFIX_C_RESULT_ERR,
 
 
-  cdef enum Prefix_COption_Tag:
-    PREFIX_C_OPTION_U32_SOME_U32,
-    PREFIX_C_OPTION_U32_NONE_U32,
 
 
   cdef struct Prefix_COption_u32:
@@ -29,38 +26,26 @@ cdef extern from *:
     int32_t code;
     const uint8_t *message;
 
-  cdef enum Prefix_CResult_Tag:
-    PREFIX_C_RESULT_U32_ERROR_INFO_OK_U32_ERROR_INFO,
-    PREFIX_C_RESULT_U32_ERROR_INFO_ERR_U32_ERROR_INFO,
 
 
   cdef struct Prefix_CResult_u32__ErrorInfo:
     Prefix_CResult_Tag tag;
     uint32_t ok;
     Prefix_ErrorInfo err;
 
-  cdef enum Prefix_COption_Tag:
-    PREFIX_C_OPTION_U8_SOME_U8,
-    PREFIX_C_OPTION_U8_NONE_U8,
 
 
   cdef struct Prefix_COption______u8:
     Prefix_COption_Tag tag;
     const uint8_t *some;
 
-  cdef enum Prefix_CResult_Tag:
-    PREFIX_C_RESULT_U8_I32_OK_U8_I32,
-    PREFIX_C_RESULT_U8_I32_ERR_U8_I32,
 
 
   cdef struct Prefix_CResult______u8__i32:
     Prefix_CResult_Tag tag;
     const uint8_t *ok;
     int32_t err;
 
-  cdef enum Prefix_COption_Tag:
-    PREFIX_C_OPTION_I32_SOME_I32,
-    PREFIX_C_OPTION_I32_NONE_I32,
 
 
   cdef struct Prefix_COption_i32:

tests/expectations/merge_generic_tags_tag.pyx

@@ -11,18 +11,12 @@ cdef extern from *:
     None,
 
 
-  cdef enum COption_Tag:
-    Some_u8,
-    None_u8,
 
 
   cdef struct COption_u8:
     COption_Tag tag;
     uint8_t some;
 
-  cdef enum COption_Tag:
-    Some_u32,
-    None_u32,
 
 
   cdef struct COption_u32:

tests/expectations/merge_generic_tags_with_prefix.pyx

@@ -11,18 +11,12 @@ cdef extern from *:
     COption_None,
 
 
-  ctypedef enum COption_Tag:
-    COption_u8_Some_u8,
-    COption_u8_None_u8,
 
 
   ctypedef struct COption_u8:
     COption_Tag tag;
     uint8_t some;
 
-  ctypedef enum COption_Tag:
-    COption_u32_Some_u32,
-    COption_u32_None_u32,
 
 
   ctypedef struct COption_u32:

tests/expectations/merge_generic_tags_with_prefix_tag.pyx

@@ -11,18 +11,12 @@ cdef extern from *:
     COption_None,
 
 
-  cdef enum COption_Tag:
-    COption_u8_Some_u8,
-    COption_u8_None_u8,
 
 
   cdef struct COption_u8:
     COption_Tag tag;
     uint8_t some;
 
-  cdef enum COption_Tag:
-    COption_u32_Some_u32,
-    COption_u32_None_u32,
 
 
   cdef struct COption_u32: