Make _non_exhaustive markers public but hidden

With an upcoming change we are going to factor out the functionality
making up the C API into a separate crate. Being in a separate crate,
access to our pub(crate) _non_exhaustive markers is no longer possible.
With this change we make these markers public. From an API contract
nothing changes, as affected types keep being documented as having
private fields. But it is now possible to check the source code for the
respective names and just initialize the members. While possible, this
is explicitly not a supported use case for the general public. The C API
crate will make sure to pin the blazesym version consumed.

Signed-off-by: Daniel Müller <[email protected]>

src/inspect/source.rs

@@ -12,7 +12,7 @@ pub struct Elf {
     pub debug_info: bool,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl Elf {

src/normalize/meta.rs

@@ -44,7 +44,7 @@ pub struct Apk {
     pub path: PathBuf,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 
@@ -59,7 +59,7 @@ pub struct Elf {
     pub build_id: Option<BuildId>,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 
@@ -74,7 +74,7 @@ pub struct Elf {
 pub struct Unknown {
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl From<Unknown> for UserMeta {

src/symbolize/mod.rs

@@ -185,7 +185,7 @@ pub struct CodeInfo<'src> {
     /// code.
     pub column: Option<u16>,
     /// The struct is non-exhaustive and open to extension.
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl CodeInfo<'_> {
@@ -224,7 +224,7 @@ pub struct InlinedFn<'src> {
     /// Source code location information for the call to the function.
     pub code_info: Option<CodeInfo<'src>>,
     /// The struct is non-exhaustive and open to extension.
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 
@@ -292,7 +292,7 @@ pub struct Sym<'src> {
     /// order `f`, `g`, `h`.
     pub inlined: Box<[InlinedFn<'src>]>,
     /// The struct is non-exhaustive and open to extension.
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 

src/symbolize/source.rs

@@ -19,7 +19,7 @@ pub struct Apk {
     pub path: PathBuf,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl Apk {
@@ -65,7 +65,7 @@ pub struct Elf {
     pub path: PathBuf,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl Elf {
@@ -120,7 +120,7 @@ pub struct Kernel {
     pub kernel_image: Option<PathBuf>,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl From<Kernel> for Source<'static> {
@@ -145,7 +145,7 @@ pub struct Process {
     pub pid: Pid,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl Process {
@@ -216,7 +216,7 @@ pub struct GsymData<'dat> {
     pub data: &'dat [u8],
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl<'dat> GsymData<'dat> {
@@ -258,7 +258,7 @@ pub struct GsymFile {
     pub path: PathBuf,
     /// The struct is non-exhaustive and open to extension.
     #[doc(hidden)]
-    pub(crate) _non_exhaustive: (),
+    pub _non_exhaustive: (),
 }
 
 impl GsymFile {