gen: Derive Eq, PartialEq and Hash for enums.

Author: emilio

src/gen.rs

@@ -1491,9 +1491,9 @@ fn cenum_to_rs(ctx: &mut GenCtx,
     }));
 
     attrs.push(if ctx.options.derive_debug {
-        mk_deriving_attr(ctx, &["Debug", "Copy", "Clone"])
+        mk_deriving_attr(ctx, &["Debug", "Copy", "Clone", "Eq", "PartialEq", "Hash"])
     } else {
-        mk_deriving_attr(ctx, &["Copy", "Clone"])
+        mk_deriving_attr(ctx, &["Copy", "Clone", "Eq", "PartialEq", "Hash"])
     });
 
     items.push(P(ast::Item {

tests/expectations/class_with_inner_struct.rs

@@ -124,7 +124,7 @@ fn bindgen_test_layout_Struct_B() {
     assert_eq!(::std::mem::align_of::<Struct_B>() , 4usize);
 }
 #[repr(i32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_StepSyntax {
     Keyword = 0,
     FunctionalWithoutKeyword = 1,

tests/expectations/enum.rs

@@ -6,8 +6,8 @@
 
 
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Foo { Bar = 0, Qux = 1, }
 #[repr(i32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Neg { MinusOne = -1, One = 1, }

tests/expectations/enum_and_vtable_mangling.rs

@@ -6,7 +6,7 @@
 
 
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_enum_and_vtable_mangling_hpp_unnamed_1 {
     match_ = 0,
     whatever_else = 1,

tests/expectations/enum_dupe.rs

@@ -7,5 +7,5 @@
 
 pub const Dupe: Enum_Foo = Enum_Foo::Bar;
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Foo { Bar = 1, }

tests/expectations/enum_explicit_type.rs

@@ -6,17 +6,17 @@
 
 
 #[repr(u8)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Foo { Bar = 0, Qux = 1, }
 #[repr(i8)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Neg { MinusOne = -1, One = 1, }
 #[repr(u16)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Bigger { Much = 255, Larger = 256, }
 #[repr(i64)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_MuchLong { MuchLow = -4294967296, }
 #[repr(u64)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_MuchLongLong { MuchHigh = 4294967296, }

tests/expectations/enum_negative.rs

@@ -6,5 +6,5 @@
 
 
 #[repr(i32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Foo { Bar = -2, Qux = 1, }

tests/expectations/enum_packed.rs

@@ -6,11 +6,11 @@
 
 
 #[repr(u8)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Foo { Bar = 0, Qux = 1, }
 #[repr(i8)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Neg { MinusOne = -1, One = 1, }
 #[repr(u16)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Bigger { Much = 255, Larger = 256, }

tests/expectations/func_ptr_in_struct.rs

@@ -6,7 +6,7 @@
 
 
 #[repr(i32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_baz { _BindgenOpaqueEnum = 0, }
 #[repr(C)]
 #[derive(Debug, Copy)]

tests/expectations/jsval_layout_opaque.rs

@@ -25,7 +25,7 @@ impl <T> ::std::clone::Clone for __BindgenUnionField<T> {
 }
 pub const JSVAL_TAG_SHIFT: ::std::os::raw::c_uint = 47;
 #[repr(u8)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum JSValueType {
     JSVAL_TYPE_DOUBLE = 0,
     JSVAL_TYPE_INT32 = 1,
@@ -40,7 +40,7 @@ pub enum JSValueType {
     JSVAL_TYPE_MISSING = 33,
 }
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum JSValueTag {
     JSVAL_TAG_MAX_DOUBLE = 131056,
     JSVAL_TAG_INT32 = 131057,
@@ -53,7 +53,7 @@ pub enum JSValueTag {
     JSVAL_TAG_OBJECT = 131064,
 }
 #[repr(u64)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum JSValueShiftedTag {
     JSVAL_SHIFTED_TAG_MAX_DOUBLE = 18444492278190833663,
     JSVAL_SHIFTED_TAG_INT32 = 18444633011384221696,
@@ -66,7 +66,7 @@ pub enum JSValueShiftedTag {
     JSVAL_SHIFTED_TAG_OBJECT = 18445618173802708992,
 }
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum JSWhyMagic {
     JS_ELEMENTS_HOLE = 0,
     JS_NO_ITER_VALUE = 1,

tests/expectations/overflowed_enum.rs

@@ -6,12 +6,12 @@
 
 
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Foo {
     BAP_ARM = 9698489,
     BAP_X86 = 11960045,
     BAP_X86_64 = 3128633167,
 }
 #[repr(u16)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_Bar { One = 1, Big = 2, }

tests/expectations/weird_bitfields.rs

@@ -6,7 +6,7 @@
 
 
 #[repr(u32)]
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
 pub enum Enum_nsStyleSVGOpacitySource {
     eStyleSVGOpacitySource_Normal = 0,
     eStyleSVGOpacitySource_ContextFillOpacity = 1,