ir: Write documentation on static items.

src/bindgen/ir/global.rs

@@ -110,6 +110,7 @@ impl Item for Static {
 
 impl Source for Static {
     fn write<F: Write>(&self, config: &Config, out: &mut SourceWriter<F>) {
+        self.documentation.write(config, out);
         out.write("extern ");
         if let Type::Ptr { is_const: true, .. } = self.ty {
         } else if !self.mutable {

tests/expectations/documentation.c

@@ -3,6 +3,11 @@
 #include <stdint.h>
 #include <stdlib.h>
 
+/**
+ * Some docs.
+ */
+extern const uint32_t FOO;
+
 /**
  * The root of all evil.
  *

tests/expectations/documentation.compat.c

@@ -7,6 +7,11 @@
 extern "C" {
 #endif // __cplusplus
 
+/**
+ * Some docs.
+ */
+extern const uint32_t FOO;
+
 /**
  * The root of all evil.
  *

tests/expectations/documentation.cpp

@@ -6,6 +6,9 @@
 
 extern "C" {
 
+/// Some docs.
+extern const uint32_t FOO;
+
 /// The root of all evil.
 ///
 /// But at least it contains some more documentation as someone would expect

tests/expectations/documentation.pyx

@@ -6,6 +6,9 @@ cdef extern from *:
 
 cdef extern from *:
 
+  # Some docs.
+  extern const uint32_t FOO;
+
   # The root of all evil.
   #
   # But at least it contains some more documentation as someone would expect

tests/rust/documentation.rs

@@ -17,5 +17,8 @@
 ///    slash doc-comment marker and the rest.
 ///
 #[no_mangle]
-pub extern "C" fn root() {
-}
+pub extern "C" fn root() {}
+
+/// Some docs.
+#[no_mangle]
+pub static FOO: u32 = 4;