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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 29153] New: - macro with element parameter can't call another macro with element parm of same name
Date Sat, 22 May 2004 22:09:42 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=29153

macro with element parameter can't call another macro with element parm of same name

           Summary: macro with element parameter can't call another macro
                    with element parm of same name
           Product: Ant
           Version: 1.6.1
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Core
        AssignedTo: dev@ant.apache.org
        ReportedBy: shankar@cotagesoft.com


If I want to have two macros, each with an <element> parameter with the same
name (because, say, they have the same semantics - e.g. <wsddfiles>, or
something like that), then I can't one macro from the other.

See the attached test case. Both macro1 and macro2 have the same parameter
element ("<files>"). But there's no way for me to call macro2 from macro1 and
just pass on the <files> that I received.


  <macrodef name="macro1">
    <element name="files"/>
    <sequential>
      <pathconvert property="foo" pathsep=":">
        <path>
          <files/>
        </path>
      </pathconvert>
      <echo message="${foo}"/>
    </sequential>
  </macrodef>

  <macrodef name="macro2">
    <element name="files"/> <!-- same elem parm name as that for macro1 -->
    <sequential>
      <macro1>
        <files/>            <!-- HERE: Trying to pass on the macro parms -->
      </macro1>
      <echo message="${foo}"/>
    </sequential>
  </macrodef>

This causes the error:

C:\Workarea\CSIMain\csi\xx.xml:32: Following error occured while executing this line
C:\Workarea\CSIMain\csi\xx.xml:18: unsupported element fileset

(The line in question is a call to macro2; line 18 is the <macro1> invocation in
<macro2>).

I also tried invoking macro1 in macro2 like this:

      <macro1>
        <files>
          <files/>
        </files>
      </macro1>

That didn't help, either.

It would be nice if ant automatically figured out that I was passing the element
reference directly to another macro, and did not unwrap it right away. Failing
that, if the workaround I attempted above worked, that would be great, too.

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