Using JScript.NET to implement a function

[Mike Frederick-2]

Hello,

I am very familiar with JScript, but not with JScript.NET or C#.  I want
to write a function in JScript.NET that I can use in my NAnt script.

I currently have:

<project name="TestFunction">

    <target name="go"><echo>${script::testfunc()}</echo></target>
   
    <script language="JS">
        <code>
        <![CDATA[
        public function testfunc():String { return ("Hello World from
JS"); }
        ]]>
        </code>
    </script>
</project>

But when I run this I get:

C:\hp\Scripts>nant -f:a.build go
NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
Copyright (C) 2001-2007 Gerry Shaw
http://nant.sourceforge.net

Buildfile: file:///C:/hp/Scripts/a.build
Target framework: Microsoft .NET Framework 3.5
Target(s) specified: go

   [script] Scanning assembly "l-qhzdpm" for extensions.

go:


BUILD FAILED

C:\hp\Scripts\a.build(4,4):
Unknown function 'script::testfunc'.
Expression: ${script::testfunc()}
              ^^^^^^^^^^^^^^^^^

Total time: 0.4 seconds.

even though it sure looks like I have defined the function "testfunc".  
Anybody have any pointers?

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[Bob Archer]

> I am very familiar with JScript, but not with JScript.NET or C#.  I
> want
> to write a function in JScript.NET that I can use in my NAnt script.
>
> I currently have:
>
> <project name="TestFunction">
>
>     <target name="go"><echo>${script::testfunc()}</echo></target>
>
>     <script language="JS">
>         <code>
>         <![CDATA[
>         public function testfunc():String { return ("Hello World from
> JS"); }
>         ]]>
>         </code>
>     </script>
> </project>
>
> But when I run this I get:
>
> C:\hp\Scripts>nant -f:a.build go
> NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
> Copyright (C) 2001-2007 Gerry Shaw
> http://nant.sourceforge.net
>
> Buildfile: file:///C:/hp/Scripts/a.build
> Target framework: Microsoft .NET Framework 3.5
> Target(s) specified: go
>
>    [script] Scanning assembly "l-qhzdpm" for extensions.
>
> go:
>
>
> BUILD FAILED
>
> C:\hp\Scripts\a.build(4,4):
> Unknown function 'script::testfunc'.
> Expression: ${script::testfunc()}

I'm not sure but you may have to annotate the function name:

[Function("testfunc")]

at the top of your script.

BOb

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[Mike Frederick-2]

Bob Archer wrote:

>> I am very familiar with JScript, but not with JScript.NET or C#.  I
>> want
>> to write a function in JScript.NET that I can use in my NAnt script.
>>
>> I currently have:
>>
>> <project name="TestFunction">
>>
>>     <target name="go"><echo>${script::testfunc()}</echo></target>
>>
>>     <script language="JS">
>>         <code>
>>         <![CDATA[
>>         public function testfunc():String { return ("Hello World from
>> JS"); }
>>         ]]>
>>         </code>
>>     </script>
>> </project>
>>
>> But when I run this I get:
>>
>> C:\hp\Scripts>nant -f:a.build go
>> NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
>> Copyright (C) 2001-2007 Gerry Shaw
>> http://nant.sourceforge.net
>>
>> Buildfile: file:///C:/hp/Scripts/a.build
>> Target framework: Microsoft .NET Framework 3.5
>> Target(s) specified: go
>>
>>    [script] Scanning assembly "l-qhzdpm" for extensions.
>>
>> go:
>>
>>
>> BUILD FAILED
>>
>> C:\hp\Scripts\a.build(4,4):
>> Unknown function 'script::testfunc'.
>> Expression: ${script::testfunc()}
>>    
>
> I'm not sure but you may have to annotate the function name:
>
> [Function("testfunc")]
>
> at the top of your script.
>
> BOb
>
>
>  

Yes, that's what I thought.  When I add that line, I get:

C:\hp\Scripts>nant -f:a.build go
NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
Copyright (C) 2001-2007 Gerry Shaw
http://nant.sourceforge.net

Buildfile: file:///C:/hp/Scripts/a.build
Target framework: Microsoft .NET Framework 3.5
Target(s) specified: go


BUILD FAILED

C:\hp\Scripts\a.build(7,3):
Compilation failed:
C:\Documents and Settings\mike\Local Settings\Temp\oaw_xbfp.0.js(28,3) :
error JS1002: Syntax error
//------------------------------------------------------------------------------
/// <autogenerated>
///     This code was generated by a tool.
///     Runtime Version: 2.0.50727.1433
///
///     Changes to this file may cause incorrect behavior and will be
lost if
///     the code is regenerated.
/// </autogenerated>
//------------------------------------------------------------------------------

//@cc_on
//@set @debug(off)

import System;
import System.Collections;
import System.Collections.Specialized;
import System.IO;
import System.Text;
import System.Text.RegularExpressions;
import NAnt.Core;
import NAnt.Core.Attributes;


public FunctionSet("script", "script")
class nant7f8689ee26f04ddb9472f9b5a112bd8c extends
NAnt.Core.FunctionSetBase {


  [Function("testfunc")]
  public function testfunc():String
  {
   return ("Hello World from JS");
  }


    public function nant7f8689ee26f04ddb9472f9b5a112bd8c(project :
NAnt.Core.Project, propDict : NAnt.Core.PropertyDictionary) {
        super(project, propDict);
    }
}


Total time: 0.4 seconds.

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[Bob Archer]

> Bob Archer wrote:
> >> I am very familiar with JScript, but not with JScript.NET or C#.  I
> >> want
> >> to write a function in JScript.NET that I can use in my NAnt script.
> >>
> >> I currently have:
> >>
> >> <project name="TestFunction">
> >>
> >>     <target name="go"><echo>${script::testfunc()}</echo></target>
> >>
> >>     <script language="JS">
> >>         <code>
> >>         <![CDATA[
> >>         public function testfunc():String { return ("Hello World
> from
> >> JS"); }
> >>         ]]>
> >>         </code>
> >>     </script>
> >> </project>
> >>
> >> But when I run this I get:
> >>
> >> C:\hp\Scripts>nant -f:a.build go
> >> NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
> >> Copyright (C) 2001-2007 Gerry Shaw
> >> http://nant.sourceforge.net
> >>
> >> Buildfile: file:///C:/hp/Scripts/a.build
> >> Target framework: Microsoft .NET Framework 3.5
> >> Target(s) specified: go
> >>
> >>    [script] Scanning assembly "l-qhzdpm" for extensions.
> >>
> >> go:
> >>
> >>
> >> BUILD FAILED
> >>
> >> C:\hp\Scripts\a.build(4,4):
> >> Unknown function 'script::testfunc'.
> >> Expression: ${script::testfunc()}
> >>
> >
> > I'm not sure but you may have to annotate the function name:
> >
> > [Function("testfunc")]
> >
> > at the top of your script.
> >
> > BOb
> >
> >
> >
> Yes, that's what I thought.  When I add that line, I get:
>
> C:\hp\Scripts>nant -f:a.build go
> NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
> Copyright (C) 2001-2007 Gerry Shaw
> http://nant.sourceforge.net
>
> Buildfile: file:///C:/hp/Scripts/a.build
> Target framework: Microsoft .NET Framework 3.5
> Target(s) specified: go
>
>
> BUILD FAILED
>
> C:\hp\Scripts\a.build(7,3):
> Compilation failed:
> C:\Documents and Settings\mike\Local Settings\Temp\oaw_xbfp.0.js(28,3)
> :
> error JS1002: Syntax error
> //---------------------------------------------------------------------
> ---------
> /// <autogenerated>
> ///     This code was generated by a tool.
> ///     Runtime Version: 2.0.50727.1433
> ///
> ///     Changes to this file may cause incorrect behavior and will be
> lost if
> ///     the code is regenerated.
> /// </autogenerated>
> //---------------------------------------------------------------------
> ---------
>
> //@cc_on
> //@set @debug(off)
>
> import System;
> import System.Collections;
> import System.Collections.Specialized;
> import System.IO;
> import System.Text;
> import System.Text.RegularExpressions;
> import NAnt.Core;
> import NAnt.Core.Attributes;
>
>
> public FunctionSet("script", "script")
> class nant7f8689ee26f04ddb9472f9b5a112bd8c extends
> NAnt.Core.FunctionSetBase {
>
>
>   [Function("testfunc")]
>   public function testfunc():String
>   {
>    return ("Hello World from JS");
>   }
>
>
>     public function nant7f8689ee26f04ddb9472f9b5a112bd8c(project :
> NAnt.Core.Project, propDict : NAnt.Core.PropertyDictionary) {
>         super(project, propDict);
>     }
> }
>

Hmm... I use C#. How complex if the function you want to write? Is there a reason you can use C#?

BOb


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[Mike Frederick-2]

Bob Archer wrote:

>> Bob Archer wrote:
>>    
>>>> I am very familiar with JScript, but not with JScript.NET or C#.  I
>>>> want
>>>> to write a function in JScript.NET that I can use in my NAnt script.
>>>>
>>>> I currently have:
>>>>
>>>> <project name="TestFunction">
>>>>
>>>>     <target name="go"><echo>${script::testfunc()}</echo></target>
>>>>
>>>>     <script language="JS">
>>>>         <code>
>>>>         <![CDATA[
>>>>         public function testfunc():String { return ("Hello World
>>>>        
>> from
>>    
>>>> JS"); }
>>>>         ]]>
>>>>         </code>
>>>>     </script>
>>>> </project>
>>>>
>>>> But when I run this I get:
>>>>
>>>> C:\hp\Scripts>nant -f:a.build go
>>>> NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
>>>> Copyright (C) 2001-2007 Gerry Shaw
>>>> http://nant.sourceforge.net
>>>>
>>>> Buildfile: file:///C:/hp/Scripts/a.build
>>>> Target framework: Microsoft .NET Framework 3.5
>>>> Target(s) specified: go
>>>>
>>>>    [script] Scanning assembly "l-qhzdpm" for extensions.
>>>>
>>>> go:
>>>>
>>>>
>>>> BUILD FAILED
>>>>
>>>> C:\hp\Scripts\a.build(4,4):
>>>> Unknown function 'script::testfunc'.
>>>> Expression: ${script::testfunc()}
>>>>
>>>>        
>>> I'm not sure but you may have to annotate the function name:
>>>
>>> [Function("testfunc")]
>>>
>>> at the top of your script.
>>>
>>> BOb
>>>
>>>
>>>
>>>      
>> Yes, that's what I thought.  When I add that line, I get:
>>
>> C:\hp\Scripts>nant -f:a.build go
>> NAnt 0.86 (Build 0.86.2898.0; beta1; 12/8/2007)
>> Copyright (C) 2001-2007 Gerry Shaw
>> http://nant.sourceforge.net
>>
>> Buildfile: file:///C:/hp/Scripts/a.build
>> Target framework: Microsoft .NET Framework 3.5
>> Target(s) specified: go
>>
>>
>> BUILD FAILED
>>
>> C:\hp\Scripts\a.build(7,3):
>> Compilation failed:
>> C:\Documents and Settings\mike\Local Settings\Temp\oaw_xbfp.0.js(28,3)
>> :
>> error JS1002: Syntax error
>> //---------------------------------------------------------------------
>> ---------
>> /// <autogenerated>
>> ///     This code was generated by a tool.
>> ///     Runtime Version: 2.0.50727.1433
>> ///
>> ///     Changes to this file may cause incorrect behavior and will be
>> lost if
>> ///     the code is regenerated.
>> /// </autogenerated>
>> //---------------------------------------------------------------------
>> ---------
>>
>> //@cc_on
>> //@set @debug(off)
>>
>> import System;
>> import System.Collections;
>> import System.Collections.Specialized;
>> import System.IO;
>> import System.Text;
>> import System.Text.RegularExpressions;
>> import NAnt.Core;
>> import NAnt.Core.Attributes;
>>
>>
>> public FunctionSet("script", "script")
>> class nant7f8689ee26f04ddb9472f9b5a112bd8c extends
>> NAnt.Core.FunctionSetBase {
>>
>>
>>   [Function("testfunc")]
>>   public function testfunc():String
>>   {
>>    return ("Hello World from JS");
>>   }
>>
>>
>>     public function nant7f8689ee26f04ddb9472f9b5a112bd8c(project :
>> NAnt.Core.Project, propDict : NAnt.Core.PropertyDictionary) {
>>         super(project, propDict);
>>     }
>> }
>>
>>    
>
> Hmm... I use C#. How complex if the function you want to write? Is there a reason you can use C#?
>
> BOb
>  

OK, I was hoping to use a language that I already know.  And JScript.NET
is supposed to be supported, right?

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[Bob Archer]

> > Hmm... I use C#. How complex if the function you want to write? Is
> there a reason you can use C#?
> >
> > BOb
> >
> OK, I was hoping to use a language that I already know.  And
> JScript.NET
> is supposed to be supported, right?

I guess so. But since I have never used it I can't help you. Perhaps Gert or someone else can chime in with a solution. There must be a way when using JS to specify the function name to create.

The other way is rather than creating a function just inline it, make it a target. Of course, if you want to use the output in expressions this doesn't help.

BOb

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