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Report inputs/outputs during Maven build

This commit is contained in:
Sam Harwell 2012-04-10 10:30:35 -05:00
parent d902a73834
commit eea0462241
1 changed files with 53 additions and 8 deletions
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61
antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/Antlr4Mojo.java
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@ -37,6 +37,8 @@ package org.antlr.mojo.antlr4;
import antlr.RecognitionException;
import antlr.TokenStreamException;
import org.antlr.v4.Tool;
import org.antlr.v4.codegen.CodeGenerator;
import org.antlr.v4.tool.Grammar;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
@ -48,8 +50,13 @@ import org.codehaus.plexus.compiler.util.scan.SourceInclusionScanner;
import org.codehaus.plexus.compiler.util.scan.mapping.SourceMapping;
import org.codehaus.plexus.compiler.util.scan.mapping.SuffixMapping;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
@ -360,10 +367,48 @@ public class Antlr4Mojo
throw new MojoExecutionException(e.getMessage());
}
// Create an instance of the ANTLR 4 build tool
//
try {
tool = new Tool(args.toArray(new String[args.size()]));
// Create an instance of the ANTLR 4 build tool
//
try {
tool = new Tool(args.toArray(new String[args.size()])) {
@Override
public void process(Grammar g, boolean gencode) {
getLog().info("Processing grammar: " + g.fileName);
super.process(g, gencode);
}
@Override
public Writer getOutputFileWriter(Grammar g, String fileName) throws IOException {
if (outputDirectory == null) {
return new StringWriter();
}
// output directory is a function of where the grammar file lives
// for subdir/T.g4, you get subdir here. Well, depends on -o etc...
// But, if this is a .tokens file, then we force the output to
// be the base output directory (or current directory if there is not a -o)
//
File outputDir;
if ( fileName.endsWith(CodeGenerator.VOCAB_FILE_EXTENSION) ) {
outputDir = new File(outputDirectory);
}
else {
outputDir = getOutputDirectory(g.fileName);
}
File outputFile = new File(outputDir, fileName);
if (!outputDir.exists()) {
outputDir.mkdirs();
}
URI relativePath = project.getBasedir().toURI().relativize(outputFile.toURI());
getLog().info(" Writing file: " + relativePath);
FileWriter fw = new FileWriter(outputFile);
return new BufferedWriter(fw);
}
};
tool.addListener(new Antlr4ErrorLog(log));
// we set some options directly
tool.trace = trace;
@ -386,17 +431,17 @@ public class Antlr4Mojo
if (!sourceDirectory.exists()) {
if (log.isInfoEnabled()) {
log.info("No ANTLR grammars to compile in " + sourceDirectory.getAbsolutePath());
log.info("No ANTLR 4 grammars to compile in " + sourceDirectory.getAbsolutePath());
}
return;
} else {
if (log.isInfoEnabled()) {
log.info("ANTLR: Processing source directory " + sourceDirectory.getAbsolutePath());
log.info("ANTLR 4: Processing source directory " + sourceDirectory.getAbsolutePath());
}
}
} catch (Exception e) {
log.error("The attempt to create the ANTLR build tool failed, see exception report for details", e);
log.error("The attempt to create the ANTLR 4 build tool failed, see exception report for details", e);
throw new MojoFailureException("Jim failed you!");
}
@ -407,7 +452,7 @@ public class Antlr4Mojo
// then we should have accumulated errors in the counts
//
if (tool.getNumErrors() > 0) {
throw new MojoExecutionException("ANTLR caught " + tool.getNumErrors() + " build errors.");
throw new MojoExecutionException("ANTLR 4 caught " + tool.getNumErrors() + " build errors.");
}
// All looks good, so we need to tel Maven about the sources that