Auto merge of #393 - emilio:enum-const-api, r=upsuper

Provide an API to constify enum variants.

r? @upsuper

2 files changed, 33 insertions, 0 deletions

diff --git a/libbindgen/tests/expectations/tests/constify-enum.rs b/libbindgen/tests/expectations/tests/constify-enum.rs
new file mode 100644
index 00000000..989c5197
--- /dev/null
+++ b/libbindgen/tests/expectations/tests/constify-enum.rs
@@ -0,0 +1,20 @@
+/* automatically generated by rust-bindgen */
+
+
+#![allow(non_snake_case)]
+
+
+pub const nsCSSPropertyID_eCSSProperty_COUNT_unexistingVariantValue:
+          nsCSSPropertyID =
+    nsCSSPropertyID::eCSSProperty_COUNT_unexistingVariantValue;
+pub const nsCSSPropertyID_eCSSProperty_COUNT: nsCSSPropertyID =
+    nsCSSPropertyID::eCSSPropertyAlias_aa;
+#[repr(u32)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum nsCSSPropertyID {
+    eCSSProperty_a = 0,
+    eCSSProperty_b = 1,
+    eCSSPropertyAlias_aa = 2,
+    eCSSPropertyAlias_bb = 3,
+    eCSSProperty_COUNT_unexistingVariantValue = 4,
+}
diff --git a/libbindgen/tests/headers/constify-enum.h b/libbindgen/tests/headers/constify-enum.h
new file mode 100644
index 00000000..a5b4052c
--- /dev/null
+++ b/libbindgen/tests/headers/constify-enum.h
@@ -0,0 +1,13 @@
+
+enum nsCSSPropertyID {
+  eCSSProperty_a,
+  eCSSProperty_b,
+
+  eCSSProperty_COUNT, /**< <div rustbindgen constant></div> */
+  eCSSProperty_COUNT_DUMMY2 = eCSSProperty_COUNT - 1, /**< <div rustbindgen hide></div> */
+
+  eCSSPropertyAlias_aa,
+  eCSSPropertyAlias_bb,
+
+  eCSSProperty_COUNT_unexistingVariantValue, /**< <div rustbindgen constant></div> */
+};