[Mono-bugs] [Bug 470227] New: Compiler parser problem

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https://bugzilla.novell.com/show_bug.cgi?id=470227


           Summary: Compiler parser problem
    Classification: Mono
           Product: Mono: Compilers
           Version: 2.2.x
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: informatique.internet at fiducial.fr
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


Created an attachment (id=268330)
 --> (https://bugzilla.novell.com/attachment.cgi?id=268330)
Main.cs

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; fr-FR; rv:1.9.0.5)
Gecko/2008120121 Firefox/3.0.5

I've a very annoying bug with mono mcs/gmcs mono compiler... It seems it comes
from the parser.
The bug is present with mono 2.2, 2.4 ... i've not tested with trunk

Reproducible: Always

Steps to Reproduce:
1.try to compile this

// project created on 22/10/2007 at 11:55
using System;


namespace TestCompiler
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            bool b=(1==2);
            bool c=(1==1);
            string a=(b?(c?"#":"#"):"");
        }
    }
}

2. hubert at hublinux ~/Projects/TestCompiler $ gmcs Main.cs 
Main.cs(13,41): error CS1040: Preprocessor directives must appear as the first
non-whitespace character on a line
Main.cs(13,45): error CS1040: Preprocessor directives must appear as the first
non-whitespace character on a line
Compilation failed: 2 error(s), 0 warnings


3.
Actual Results:  
Preprocessor directives must appear as the first non-whitespace character on a
line 

errors...

Expected Results:  
with mono 2.0, and MS.NET i obtain :

[fiducial at LXLYOSRW10 tests]$ gmcs ./Main.cs 
/Main.cs(13,32): warning CS0219: The variable `a' is assigned but its value is
never used
Compilation succeeded - 1 warning(s)

Please backport the patch on both mono 2.2 and 2.4 branch!

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