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o Adding support for using compilers that produce an single output file like
C#. git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@233318 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Trygve Laugstol
parent
5aff0defc2
commit
d20e899dc8
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@ -26,6 +26,7 @@ import org.codehaus.plexus.compiler.manager.NoSuchCompilerException;
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import org.codehaus.plexus.compiler.util.scan.InclusionScanException;
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import org.codehaus.plexus.compiler.util.scan.SourceInclusionScanner;
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import org.codehaus.plexus.compiler.util.scan.StaleSourceScanner;
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import org.codehaus.plexus.compiler.util.scan.SimpleSourceInclusionScanner;
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import org.codehaus.plexus.compiler.util.scan.mapping.SuffixMapping;
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import org.codehaus.plexus.compiler.util.scan.mapping.SourceMapping;
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import org.codehaus.plexus.compiler.util.scan.mapping.SingleTargetSourceMapping;
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@ -37,8 +38,15 @@ import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.Map;
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import java.util.Collections;
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import java.util.Collection;
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/**
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* TODO: At least one step could be optimized, currently the plugin will do two
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* scans of all the source code if the compiler has to have the entire set of
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* sources. This is currently the case for at least the C# compiler and most
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* likely all the other .NET compilers too.
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*
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* @author others
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* @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
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* @version $Id: StaleSourceScannerTest.java 2393 2005-08-08 22:32:59Z kenney $
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@ -46,6 +54,10 @@ import java.util.Map;
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public abstract class AbstractCompilerMojo
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extends AbstractMojo
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{
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// ----------------------------------------------------------------------
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// Configurables
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// ----------------------------------------------------------------------
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/**
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* Whether to include debugging information in the compiled class files.
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* The default value is true.
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@ -104,7 +116,7 @@ public abstract class AbstractCompilerMojo
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/**
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* Runs the compiler in a separate process.
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*
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* <p/>
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* If not set the compiler will default to a executable.
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*
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* @parameter default-value="false"
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@ -120,7 +132,7 @@ public abstract class AbstractCompilerMojo
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/**
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* Arguements to be passed to the compiler if fork is set to true.
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*
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* <p/>
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* This is because the list of valid arguements passed to a Java compiler
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* varies based on the compiler version.
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*
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@ -128,6 +140,18 @@ public abstract class AbstractCompilerMojo
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*/
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private Map compilerArguments;
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/**
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* Used to control the name of the output file when compiling a set of
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* sources to a single file.
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*
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* @parameter expression="${project.build.finalName}"
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*/
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private String outputFileName;
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// ----------------------------------------------------------------------
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// Read-only parameters
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// ----------------------------------------------------------------------
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/**
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* The directory to run the compiler from if fork is true.
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*
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@ -137,6 +161,15 @@ public abstract class AbstractCompilerMojo
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*/
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private File basedir;
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/**
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* The directory to run the compiler from if fork is true.
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*
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* @parameter expression="${project.build.directory}"
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* @required
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* @readonly
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*/
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private File buildDirectory;
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/**
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* @parameter expression="${component.org.codehaus.plexus.compiler.manager.CompilerManager}"
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* @required
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@ -161,6 +194,8 @@ public abstract class AbstractCompilerMojo
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Compiler compiler;
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getLog().debug( "Using compiler '" + compilerId + "'." );
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try
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{
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compiler = compilerManager.getCompiler( compilerId );
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@ -215,12 +250,42 @@ public abstract class AbstractCompilerMojo
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compilerConfiguration.setWorkingDirectory( basedir );
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compilerConfiguration.setBuildDirectory( buildDirectory );
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compilerConfiguration.setOutputFileName( outputFileName );
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// TODO: have an option to always compile (without need to clean)
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Set staleSources;
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boolean canUpdateTarget;
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try
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{
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staleSources = computeStaleSources( compilerConfiguration, compiler );
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staleSources = computeStaleSources( compilerConfiguration,
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compiler,
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new StaleSourceScanner( staleMillis ) );
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canUpdateTarget = compiler.canUpdateTarget( compilerConfiguration );
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if ( compiler.getCompilerOutputStyle() == CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES &&
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!canUpdateTarget )
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{
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getLog().info( "RESCANNING!" );
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// TODO: This second scan for source files is sub-optimal
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String inputFileEnding = compiler.getInputFileEnding( compilerConfiguration );
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Set includes = Collections.singleton( "**/*." + inputFileEnding );
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Set sources = computeStaleSources( compilerConfiguration,
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compiler,
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new SimpleSourceInclusionScanner( includes, Collections.EMPTY_SET ));
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compilerConfiguration.setSourceFiles( sources );
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}
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else
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{
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compilerConfiguration.setSourceFiles( staleSources );
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}
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}
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catch ( CompilerException e )
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{
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@ -233,10 +298,6 @@ public abstract class AbstractCompilerMojo
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return;
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}
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else
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{
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compilerConfiguration.setSourceFiles( staleSources );
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}
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// ----------------------------------------------------------------------
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// Dump configuration
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@ -269,8 +330,6 @@ public abstract class AbstractCompilerMojo
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List messages;
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getLog().debug( "Using compiler '" + compilerId + "'." );
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try
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{
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messages = compiler.compile( compilerConfiguration );
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@ -299,29 +358,36 @@ public abstract class AbstractCompilerMojo
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}
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}
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private Set computeStaleSources( CompilerConfiguration compilerConfiguration, Compiler compiler )
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private Set computeStaleSources( CompilerConfiguration compilerConfiguration,
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Compiler compiler,
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SourceInclusionScanner scanner )
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throws MojoExecutionException, CompilerException
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{
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CompilerOutputStyle outputStyle = compiler.getCompilerOutputStyle();
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SourceMapping mapping;
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File outputDirectory;
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if ( outputStyle == CompilerOutputStyle.ONE_OUTPUT_FILE_PER_INPUT_FILE )
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{
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mapping = new SuffixMapping( compiler.getInputFileEnding( compilerConfiguration ),
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compiler.getOutputFileEnding( compilerConfiguration ) );
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outputDirectory = getOutputDirectory();
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}
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else if ( outputStyle == CompilerOutputStyle.ONE_OUTPUT_FILE_FOR_ALL_INPUT_FILES )
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{
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mapping = new SingleTargetSourceMapping( compiler.getOutputFile( compilerConfiguration ) );
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mapping = new SingleTargetSourceMapping( compiler.getInputFileEnding( compilerConfiguration ),
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compiler.getOutputFile( compilerConfiguration ) );
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outputDirectory = buildDirectory;
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}
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else
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{
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throw new MojoExecutionException( "Unknown compiler output style: '" + outputStyle + "'." );
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}
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SourceInclusionScanner scanner = new StaleSourceScanner( staleMillis );
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scanner.addSourceMapping( mapping );
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Set staleSources = new HashSet();
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@ -339,7 +405,7 @@ public abstract class AbstractCompilerMojo
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try
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{
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staleSources.addAll( scanner.getIncludedSources( rootFile, getOutputDirectory() ) );
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staleSources.addAll( scanner.getIncludedSources( rootFile, outputDirectory ) );
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}
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catch ( InclusionScanException e )
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{
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