Auto merge of #567 - fitzgen:bitfield-accessors, r=emilio

Reintroduce bitfield accessors

This commit reintroduces accessor methods for bitfields in the generated
bindings.

Fixes #519

r? @emilio

1 files changed, 42 insertions, 0 deletions

diff --git a/bindgen-integration/cpp/Test.h b/bindgen-integration/cpp/Test.h
index db90f4d7..c060984d 100644
--- a/bindgen-integration/cpp/Test.h
+++ b/bindgen-integration/cpp/Test.h
@@ -20,3 +20,45 @@ typedef Test TypeAlias;
 } // namespace testing
 
 typedef testing::TypeAlias TypeAlias;
+
+namespace bitfields {
+
+struct First {
+    unsigned char three_bits_byte_one : 3;
+    // This starts a new byte, leaving 5 bits unused.
+    unsigned char :0;
+
+    unsigned char six_bits_byte_two : 6;
+    unsigned char two_bits_byte_two : 2;
+
+    /// Returns true if the bitfields match the arguments, false otherwise.
+    bool assert(unsigned char first,
+                unsigned char second,
+                unsigned char third);
+};
+
+struct Second {
+    int thirty_one_bits : 31;
+    bool one_bit : 1;
+
+    /// Returns true if the bitfields match the arguments, false otherwise.
+    bool assert(int first,
+                bool second);
+};
+
+enum ItemKind {
+    ITEM_KIND_UNO,
+    ITEM_KIND_DOS,
+    ITEM_KIND_TRES,
+};
+
+struct Third {
+    int flags : 28;
+    bool is_whatever : 1;
+    ItemKind kind : 3;
+
+    /// Returns true if the bitfields match the arguments, false otherwise.
+    bool assert(int first, bool second, ItemKind third);
+};
+
+} // namespace bitfields