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Posted to dev@ant.apache.org by bu...@apache.org on 2003/09/02 17:47:02 UTC

DO NOT REPLY [Bug 22759] - antcall at top level causes infinite loop

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=22759

antcall at top level causes infinite loop

bodewig@apache.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dev@ant.apache.org
         AssignedTo|dev@ant.apache.org          |bodewig@apache.org
   Target Milestone|---                         |1.6
            Version|1.1                         |1.6Alpha (nightly)



------- Additional Comments From bodewig@apache.org  2003-09-02 15:47 -------
It hasn't popped up for two reasons:

(1) <antcall> cannot live at the top level in any released version, so it hasn't
    been used that way by too many people yet.

(2) it used to cause a build failure instead of an inifite loop for the first
    few months it was allowed there.

The is code in Ant.java that tries to detect this, but since top-level tasks get
executed at parser time now (they didn't in the initial version that allowed
top-level tasks), the test kicks in too late.

This is not a unique issue of having antcall at the top level, of course.

<target name="foo">
  <antcall target="bar"/>
</target>

<target name="bar" depends="foo"/>

will have the same problem - and we've decided to not fix it as doing so would
require too much logic that could be defeated by more complex builds anyway.

We can and should test wether <ant> or <antcall> try to call the target they are
defined in.  And for tasks at the top level we must not allow calling the same
build file at all.

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