support LName with length 0 as "__anonymous"

dlang · Jun 26, 2017 · 848ea8b · 848ea8b
1 parent fb90abc
commit 848ea8b
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/src/core/demangle.d b/src/core/demangle.d
@@ -585,7 +585,12 @@ pure:
  return;
  }
  auto n = decodeNumber();
- if( !n || n > buf.length || n > buf.length - pos )
+ if( n == 0 )
+ {
+ put( "__anonymous" );
+ return;
+ }
+ if( n > buf.length || n > buf.length - pos )
  error( "LName must be at least 1 character" );
  if( '_' != front && !isAlpha( front ) )
  error( "Invalid character in LName" );
@@ -2448,6 +2453,10 @@ version(unittest)
  "pure @safe int std.format.getNth!(\"integer width\", std.traits.isIntegral, int, uint, uint).getNth(uint, uint, uint)"],
  ["_D3std11parallelism42__T16RoundRobinBufferTDFKAaZvTDxFNaNdNeZbZ16RoundRobinBuffer5primeMFZv",
  "void std.parallelism.RoundRobinBuffer!(void delegate(ref char[]), const pure @property @trusted bool delegate()).RoundRobinBuffer.prime()"],
+ // Lname '0'
+ ["_D3std9algorithm9iteration__T9MapResultSQBmQBlQBe005stripTAAyaZQBi7opSliceMFNaNbNiNfmmZSQDiQDhQDa__TQCtSQDyQDxQDq00QCmTQCjZQDq",
+ "pure nothrow @nogc @safe std.algorithm.iteration.MapResult!(std.algorithm.iteration.__anon.strip, "
+ ~"immutable(char)[][]).MapResult std.algorithm.iteration.MapResult!(std.algorithm.iteration.strip, immutable(char)[][]).MapResult.opSlice(ulong, ulong)"],
 
  // back references
  ["_D4core4stdc5errnoQgFZi", "int core.stdc.errno.errno()"], // identifier back reference