Package: nemerle
Version: 0.9.3+dfsg-3
Severity: important
nemerle as available in unstable appears to have some serious problems
with function-objects/delegates. As A simple example: (The code is taken
from http://nemerle.org/Grok_Functionals)
0:pts/1:~/tmp% cat funs.n
class Functions {
static f (x : int) : int
{
x * 2
}
static run_funval_twice (f : int -> int, v : int) : int
{
f (f (v))
}
public static Main () : void
{
System.Console.WriteLine ("{0}", run_funval_twice (f, 3))
}
}
0:pts/1:~/tmp% ncc funs.n
error: internal compiler error: got ArgumentException (type is not TypeBuilder
but System.MonoType
Parameter name: type)
at System.Reflection.Emit.TypeBuilder.GetMethod (System.Type type,
System.Reflection.MethodInfo method) [0x00000]
at Nemerle.Compiler.ILEmitter.FrameworkGetMethod (System.Type t,
System.Reflection.MethodInfo m) [0x00000]
at Nemerle.Compiler.ILEmitter.GetMethodInfo (Nemerle.Compiler.TyVar
from_type, IMethod meth, Nemerle.Core.list`1 typars) [0x00000]
at Nemerle.Compiler.ILEmitter.emit (Nemerle.Compiler.Typedtree.TExpr expr)
[0x00000]
at Nemerle.Compiler.ILEmitter.emit (Nemerle.Compiler.Typedtree.TExpr expr)
[0x00000]
at Nemerle.Compiler.ILEmitter.Run () [0x00000]
at Nemerle.Compiler.MethodBuilder+_N__N_l29281_29413.apply_void () [0x00000]
at Nemerle.Compiler.TypeBuilder.FinalizeType () [0x00000]
at Nemerle.Compiler.TypeBuilder.EmitImplementation () [0x00000]
at Nemerle.Compiler.TypesManager+_N_emit_impl_24291.apply_void
(Nemerle.Compiler.TypeBuilder _N_24290) [0x00000]
at Nemerle.Compiler.TypesManager+_N_maybe_f_24727.apply_void
(Nemerle.Compiler.TypeBuilder _N_24726) [0x00000]
at Nemerle.Collections.List.Iter[TypeBuilder] (Nemerle.Core.list`1 l,
Nemerle.Builtins.FunctionVoid`1 f) [0x00000]
at Nemerle.Core.list`1[Nemerle.Compiler.TypeBuilder].Iter
(Nemerle.Builtins.FunctionVoid`1 f) [0x00000]
at Nemerle.Compiler.TypesManager.Iter (Nemerle.Core.list`1 builders,
Nemerle.Builtins.FunctionVoid`1 f) [0x00000]
at Nemerle.Compiler.TypesManager.Iter (Nemerle.Builtins.FunctionVoid`1 f)
[0x00000]
at Nemerle.Compiler.TypesManager.compile_all_tyinfos (Boolean aux_phase)
[0x00000]
at Nemerle.Compiler.TypesManager+_N__N_l23867_23958.apply_void () [0x00000]
at Nemerle.Compiler.Solver.Enqueue (Nemerle.Builtins.FunctionVoid action)
[0x00000]
at Nemerle.Compiler.TypesManager.EmitDecls () [0x00000]
at Nemerle.Compiler.Passes.Run () [0x00000]
at Nemerle.CommandlineCompiler.MainClass.main_with_catching () [0x00000]
If you replace the line "f (f (v))" with "v", the code compiles and runs
(but obviously doesn't do what it was intended to do)
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages nemerle depends on:
ii libmono-corlib2.0-cil 2.4.4~svn151842-3 Mono core library (for CLI 2.0)
ii libmono-system2.0-cil 2.4.4~svn151842-3 Mono System libraries (for CLI 2.0
ii libnemerle0.9-cil 0.9.3+dfsg-3 Class Libraries for Nemerle
ii mono-runtime 2.4.4~svn151842-3 Mono runtime
nemerle recommends no packages.
nemerle suggests no packages.
-- no debconf information
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