http://d.puremagic.com/issues/show_bug.cgi?id=5957
Summary: Ambiguous mangling of module and template in template
symbol args
Product: D
Version: D2
Platform: Other
OS/Version: Mac OS X
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: kenn...@gmail.com
--- Comment #0 from kenn...@gmail.com 2011-05-08 08:50:17 PDT ---
Consider the program:
----------------------------
module y;
import std.typecons;
template f(alias s) {
void f() {
}
}
void g(){}
void main() {
f!( std.typecons )(); // A
f!( f )(); // B
f!( g )(); // C
}
----------------------------
The manglings are:
A: _D1y22__T1fS133std8typeconsZ1fFZv
**^^^^^^^^^^^^^
B: _D1y12__T1fS41y1fZ1fFZv
*^^^^
C: _D1y17__T1fS9_D1y1gFZvZ1fFZv
*^^^^^^^^^
Here, the module 'std.typecons' and 'f' are simply encoded as a QualifiedName,
unlike 'g' which is encoded as a MangledName. However, with this it is very
hard for the demangler to tell the QualifiedName in A and B only have 13 and 4
characters respectively, instead of 133 and 41.
There should be some separator between the 13/4 and the 3/1, or a type should
be defined for module and templates, and encode them with MangledName instead
of QualifiedName.
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