https://bugzilla.novell.com/show_bug.cgi?id=436407
Summary: C# compiler outputs invalid code
Product: Mono: Compilers
Version: 2.0
Platform: Macintosh
OS/Version: Mac OS X 10.5
Status: NEW
Severity: Blocker
Priority: P5 - None
Component: C#
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [email protected]
Found By: ---
Description of Problem:
Curried format function call is compiled into IL that renders a
MissingFieldException when running.
Steps to reproduce the problem:
1. Compile this code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace AutomaticCurrying {
class Program {
static void Main(string[] args) {
Func<int, int, int> add = (x, y) => x + y;
var addCurriedAuto = Curry(add);
var add10 = addCurriedAuto(10);
Console.WriteLine(add10(32));
Func<int, string, int> weirdCalc =
(val, text) => val * text.Length;
var weirdCalcCurried = Curry(weirdCalc);
var weirdCalc3 = weirdCalcCurried(3);
Console.WriteLine(weirdCalc3("Hi"));
Func<int, int, int, int> multiplyAndAdd =
(a, b, c) => a * b + c;
var curriedMultiplyAndAdd = Curry(multiplyAndAdd);
Console.WriteLine(multiplyAndAdd(10, 3, 5));
Console.WriteLine(curriedMultiplyAndAdd(10)(3)(5)); //
same result
var multiplyBy3AndAdd = curriedMultiplyAndAdd(3);
Console.WriteLine(multiplyBy3AndAdd(10)(5)); // same
result again
}
static Func<T1, Func<T2, T3>> Curry<T1, T2, T3>(Func<T1, T2,
T3> func) {
return par1 => par2 => func(par1, par2);
}
static Func<T1, Func<T2, Func<T3, T4>>> Curry<T1, T2, T3,
T4>(Func<T1, T2, T3, T4> func) {
return par1 => par2 => par3 => func(par1, par2, par3);
}
static Func<T1, Func<T2, Func<T3, Func<T4, T5>>>> Curry<T1, T2,
T3, T4, T5>(Func<T1, T2, T3, T4, T5> func) {
return par1 => par2 => par3 => par4 => func(par1, par2,
par3, par4);
}
}
}
2. Run the compiled assembly
Actual Results:
42
6
35
Unhandled Exception: System.MissingFieldException: Field
'.<Curry>c__AnonStorey4`4.<>f__ref$3' not found.
at AutomaticCurrying.Program.Main (System.String[] args) [0x00000]
Expected Results:
42
6
35
35
35
How often does this happen?
Every time
Additional Information:
I tried running the compiled assembly on Windows (MS .NET) and it gave the same
error result. The other way round, the assembly compiled by MS .NET 3.5
compiler runs on mono just fine.
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