Hi Alexey,
it is possible that ant 1.6 will contain a try-catch feature.
this might make your idea redundant - correct me if I am wrong ?
Antoine
----- Original Message -----
From: "Alexey Solofnenko" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 26, 2003 10:10 PM
Subject: [Proposal] adding "keep-going" to ANT.
> Hello,
>
> "keep-going" feature can be very useful, especially in automatic
testing.
> I have experimented with Project.executeTarget() method to implement this
> functionality. It seems like a simple patch. The goal of the modification
is
> to execute all targets that do not depend on failed targets. If you think
> the approach is correct, I can submit a diff patch.
>
> ==============================
> This is the build file I executed (target "b" should be executed even if
> target "a" failed, "main" should not be executed):
> ==============================
>
> <?xml version="1.0"?>
> <project default="main" basedir=".">
> <target name="a">
> <echo message="A"/>
> <fail message="something is wrong"/>
> </target>
> <target name="b">
> <echo message="B"/>
> </target>
> <target name="main" depends="a,b">
> <echo message="main"/>
> </target>
> </project>
>
>
> ==============================
> Build output:
> ==============================
>
> Buildfile: build.xml
>
> a:
> [echo] A
> Target 'a' failed.
>
> b:
> [echo] B
> Cannot execute 'main' - 'a' was not executed.
>
> BUILD FAILED
> D:\tools\apache-ant-1.6alpha\dist\build.xml:5: something is wrong
>
> Total time: 0 seconds
>
> ==============================
> Modified Project.executeTarget() method:
> ==============================
> public void executeTarget(String targetName) throws BuildException {
>
> // sanity check ourselves, if we've been asked to build nothing
> // then we should complain
>
> if (targetName == null) {
> String msg = "No target specified";
> throw new BuildException(msg);
> }
>
> // Sort the dependency tree, and run everything from the
> // beginning until we hit our targetName.
> // Sorting checks if all the targets (and dependencies)
> // exist, and if there is any cycle in the dependency
> // graph.
> Vector sortedTargets = topoSort(targetName, targets);
> Set executed=new HashSet();
> BuildException buildException=null;
>
> for (Enumeration iter=sortedTargets.elements();
> iter.hasMoreElements();) {
> Target curtarget = (Target) iter.nextElement();
> boolean canExecute=true;
> for (Enumeration dep_iter=curtarget.getDependencies();
> dep_iter.hasMoreElements();) {
> String dependencyName=((String)dep_iter.nextElement());
> if (!executed.contains(dependencyName)) {
> canExecute=false;
> log(curtarget, "Cannot execute '"+curtarget.getName()+"' -
> '"+dependencyName+"' was not executed.", MSG_ERR);
> }
> }
> if (canExecute) {
> try {
> curtarget.performTasks();
> executed.add(curtarget.getName());
> }
> catch (BuildException ex) {
> log(curtarget, "Target '"+curtarget.getName()+"' failed.",
> MSG_ERR);
> if (buildException==null) {
> buildException=ex;
> }
> else {
> log(curtarget, "Extra error: "+ex.getMessage(),
MSG_ERR);
> }
> }
> }
> if (curtarget.getName().equals(targetName)) // very strange
exit
> condition
> break;
> }
> if (buildException!=null)
> throw buildException;
> }
>
> - Alexey.
>
> --
> { http://trelony.cjb.net/ } Alexey N. Solofnenko
> Pleasant Hill, CA (GMT-8 usually)
>
>
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