Auto merge of #3 - metajack:add-elab, r=emilio

Add support for elaborated types.

Things like JS::Latin1Char now show up as elaborated types and we need to use clang_Type_getNamedType to resolve them.

This should fix #1.

Author: bors-servo

src/clang.rs

@@ -455,6 +455,12 @@ impl Type {
             clang_getFunctionTypeCallingConv(self.x)
         }
     }
+
+    pub fn named(&self) -> Type {
+        unsafe {
+            Type { x: clang_Type_getNamedType(self.x) }
+        }
+    }
 }
 
 // SourceLocation
@@ -955,6 +961,9 @@ pub fn type_to_str(x: Enum_CXTypeKind) -> &'static str {
         CXType_IncompleteArray => "IncompleteArray",
         CXType_VariableArray => "VariableArray",
         CXType_DependentSizedArray => "DependentSizedArray",
+        CXType_MemberPointer => "MemberPointer",
+        CXType_Auto => "Auto",
+        CXType_Elaborated => "Elaborated",
         _ => "?"
     }
 }

src/clangll.rs

@@ -408,6 +408,8 @@ pub const CXType_IncompleteArray: c_uint = 114;
 pub const CXType_VariableArray: c_uint = 115;
 pub const CXType_DependentSizedArray: c_uint = 116;
 pub const CXType_MemberPointer: c_uint = 117;
+pub const CXType_Auto: c_uint = 118;
+pub const CXType_Elaborated: c_uint = 119;
 pub type Enum_CXCallingConv = c_uint;
 pub const CXCallingConv_Default: c_uint = 0;
 pub const CXCallingConv_C: c_uint = 1;
@@ -1108,6 +1110,7 @@ extern "C" {
     pub fn clang_Type_getNumTemplateArguments(T: CXType) -> c_int;
     pub fn clang_Type_getTemplateArgumentAsType(T: CXType, i: c_int) ->
      CXType;
+    pub fn clang_Type_getNamedType(CT: CXType) -> CXType;
     pub fn clang_Cursor_isBitField(C: CXCursor) -> c_uint;
     #[cfg(not(feature="llvm_stable"))]
     pub fn clang_Cursor_isFunctionInlined(C: CXCursor) -> c_uint;

src/parser.rs

@@ -489,6 +489,7 @@ fn conv_ty_resolving_typedefs(ctx: &mut ClangParserCtx,
         CXType_Unexposed |
         CXType_Enum => conv_decl_ty_resolving_typedefs(ctx, ty, cursor, resolve_typedefs),
         CXType_ConstantArray => TArray(Box::new(conv_ty_resolving_typedefs(ctx, &ty.elem_type(), cursor, resolve_typedefs)), ty.array_size(), layout),
+        CXType_Elaborated => conv_ty_resolving_typedefs(ctx, &ty.named(), cursor, resolve_typedefs),
         _ => {
             let fail = ctx.options.fail_on_unknown_type;
             log_err_warn(ctx,

tests/expectations/elaborated.rs

@@ -0,0 +1,7 @@
+/* automatically generated by rust-bindgen */
+
+pub type whatever_t = ::std::os::raw::c_int;
+extern "C" {
+    #[link_name = "_Z9somethingPKi"]
+    pub fn something(wat: *const whatever_t);
+}

tests/headers/elaborated.hpp

@@ -0,0 +1,5 @@
+namespace whatever {
+  typedef int whatever_t;
+}
+
+void something(const whatever::whatever_t *wat);