Support generation of Cython bindings

tests/rust/body.cython.toml

@@ -0,0 +1,17 @@
+[export.body]
+"MyCLikeEnum" = """
+    BogusVariantForSerializationForExample,
+"""
+
+"MyUnion" = """
+    int32_t extra_member; # yolo
+"""
+
+[export.pre_body]
+"MyCLikeEnum_Prepended" = """
+    BogusVariantForSerializationForExample,
+"""
+
+"MyUnion_Prepended" = """
+    int32_t extra_member; # yolo
+"""

tests/rust/box.cython.toml

@@ -0,0 +1,10 @@
+# header = """
+# #ifdef __cplusplus
+# template <typename T>
+# using Box = T*;
+# #endif
+# """
+[export]
+exclude = [
+  "Box",
+]

tests/rust/cfg.cython.toml

@@ -0,0 +1,15 @@
+header = """
+DEF PLATFORM_UNIX = 0
+DEF PLATFORM_WIN = 0
+DEF X11 = 0
+DEF M_32 = 0
+"""
+
+[defines]
+"unix" = "PLATFORM_UNIX"
+"windows" = "PLATFORM_WIN"
+"x11" = "X11"
+"target_pointer_width = 32" = "M_32"
+
+[export]
+exclude = ["C"] # conditional compilation is not supported for enumerators

tests/rust/cfg_2.cython.toml

@@ -0,0 +1,9 @@
+header = """
+DEF DEFINED = 1
+DEF NOT_DEFINED = 0
+"""
+
+[defines]
+"unix" = "DEFINED"
+"macos" = "NOT_DEFINED"
+"windows" = "NOT_DEFINED"

tests/rust/constant.cython.toml

@@ -0,0 +1,5 @@
+[export]
+exclude = [
+  "XFALSE", # right hand side crashes Cython compiler
+  "XTRUE", # right hand side crashes Cython compiler
+]

tests/rust/custom_header.cython.toml

@@ -0,0 +1,5 @@
+no_includes = true
+header = "# This file is generated by cbindgen. DO NOT EDIT"
+trailer = """
+# This is a simple test to ensure that trailers don't cause extra newlines in files
+"""

tests/rust/enum_discriminant.cython.toml

@@ -0,0 +1,2 @@
+[export]
+exclude = ["root_no_cython"]

tests/rust/enum_discriminant.rs

@@ -7,9 +7,16 @@ enum E {
     C = 1 + 2,
     D = FOUR,
     F = (5),
-    G = '6' as i8,
-    H = false as i8,
+}
+
+#[repr(i8)]
+enum E_NoCython {
+    G = '6' as i8,   // Not supported
+    H = false as i8, // Not supported
 }
 
 #[no_mangle]
 pub extern "C" fn root(_: &E) {}
+
+#[no_mangle]
+pub extern "C" fn root_no_cython(_: &E_NoCython) {}

tests/rust/exclude_generic_monomorph.cython.toml

@@ -0,0 +1,9 @@
+header = """
+from libc.stdint cimport uint64_t
+ctypedef uint64_t Option_Foo
+"""
+
+[export]
+exclude = [
+  "Option_Foo",
+]

tests/rust/manuallydrop.cython.toml

@@ -0,0 +1,4 @@
+[export]
+exclude = [
+  "ManuallyDrop",
+]

tests/rust/maybeuninit.cython.toml

@@ -0,0 +1,4 @@
+[export]
+exclude = [
+  "MaybeUninit",
+]

tests/rust/mod_attr.cython.toml

@@ -0,0 +1,9 @@
+header = """
+DEF FOO = 0
+DEF BAR = 0
+"""
+
+[defines]
+"foo" = "FOO"
+"bar" = "BAR"
+# "feature = foobar" = "FOOBAR"

tests/rust/prefix.cython.toml

@@ -0,0 +1,5 @@
+[export]
+prefix = "PREFIX_"
+exclude = [
+  "Y", # right hand side crashes Cython compiler
+]

tests/rust/rename_crate.cython.toml

@@ -0,0 +1,8 @@
+header = """
+DEF DEFINE_FREEBSD = 0
+"""
+
+[parse]
+parse_deps = true
+[defines]
+"target_os = freebsd" = "DEFINE_FREEBSD"

tests/rust/swift_name.cython.toml

@@ -0,0 +1,9 @@
+header = "#define CF_SWIFT_NAME(_name) __attribute__((swift_name(#_name)))"
+
+[fn]
+swift_name_macro = "CF_SWIFT_NAME"
+
+[export]
+exclude = [
+  "PointerToOpaque_sayHello", # has postfix with a C-style comment incompatible with Cython
+]