Runtime: Remove unused swift_stdlib_demangleName stub.

shijunlin · Nov 13, 2015 · d8b6859 · d8b6859
1 parent 4074f06
commit d8b6859
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diff --git a/stdlib/public/core/Misc.swift b/stdlib/public/core/Misc.swift
@@ -84,28 +84,6 @@ func _typeName(type: Any.Type, qualified: Bool = true) -> String {
   return result
 }
 
-@warn_unused_result
-@asmname("swift_stdlib_demangleName")
-func _stdlib_demangleNameImpl(
-  mangledName: UnsafePointer<UInt8>,
-  _ mangledNameLength: UInt,
-  _ demangledName: UnsafeMutablePointer<String>)
-
-@warn_unused_result
-public // @testable
-func _stdlib_demangleName(mangledName: String) -> String {
-  let mangledNameUTF8 = Array(mangledName.utf8)
-  return mangledNameUTF8.withUnsafeBufferPointer {
-    (mangledNameUTF8) in
-    let (_, demangledName) = _withUninitializedString {
-      _stdlib_demangleNameImpl(
-        mangledNameUTF8.baseAddress, UInt(mangledNameUTF8.endIndex),
-        $0)
-    }
-    return demangledName
-  }
-}
-
 /// Returns `floor(log(x))`.  This equals to the position of the most
 /// significant non-zero bit, or 63 - number-of-zeros before it.
 ///

diff --git a/stdlib/public/runtime/Reflection.mm b/stdlib/public/runtime/Reflection.mm
@@ -1271,15 +1271,3 @@ static Mirror ObjC_getMirrorForSuperclass(Class sup,
   swift_stringFromUTF8InRawMemory(outString, name.data(), name.length());
 }
 
-extern "C" void swift_stdlib_demangleName(const char *mangledName,
-                                          size_t mangledNameLength,
-                                          String *demangledName) {
-  auto options = Demangle::DemangleOptions();
-  options.DisplayDebuggerGeneratedModule = false;
-  auto result =
-      Demangle::demangleSymbolAsString(mangledName,
-                                       mangledNameLength,
-                                       options);
-  new (demangledName) String(result.data(), result.size());
-}
-
diff --git a/test/1_stdlib/Runtime.swift b/test/1_stdlib/Runtime.swift
@@ -665,16 +665,6 @@ Runtime.test("typeName") {
   expectEqual("protocol<>.Protocol", _typeName(a.dynamicType))
 }
 
-Runtime.test("demangleName") {
-  expectEqual("", _stdlib_demangleName(""))
-  expectEqual("abc", _stdlib_demangleName("abc"))
-  expectEqual("\0", _stdlib_demangleName("\0"))
-  expectEqual("Swift.Double", _stdlib_demangleName("_TtSd"))
-  expectEqual("x.a : x.Foo<x.Foo<x.Foo<Swift.Int, Swift.Int>, x.Foo<Swift.Int, Swift.Int>>, x.Foo<x.Foo<Swift.Int, Swift.Int>, x.Foo<Swift.Int, Swift.Int>>>",
-      _stdlib_demangleName("_Tv1x1aGCS_3FooGS0_GS0_SiSi_GS0_SiSi__GS0_GS0_SiSi_GS0_SiSi___"))
-  expectEqual("Foobar", _stdlib_demangleName("_TtC13__lldb_expr_46Foobar"))
-}
-
 Runtime.test("_stdlib_atomicCompareExchangeStrongPtr") {
   typealias IntPtr = UnsafeMutablePointer<Int>
   var origP1 = IntPtr(bitPattern: 0x10101010)