Examples with Transformer org.gradle.groovy.scripts.Transformer used on opensource projects

Example 1 with Transformer

use of org.gradle.groovy.scripts.Transformer in project gradle by gradle.

the class DefaultScriptCompilationHandler method compileScript.

private void compileScript(final ScriptSource source, ClassLoader classLoader, CompilerConfiguration configuration, File metadataDir, final CompileOperation<?> extractingTransformer, final Action<? super ClassNode> customVerifier) {
    final Transformer transformer = extractingTransformer != null ? extractingTransformer.getTransformer() : null;
    logger.info("Compiling {} using {}.", source.getDisplayName(), transformer != null ? transformer.getClass().getSimpleName() : "no transformer");
    final EmptyScriptDetector emptyScriptDetector = new EmptyScriptDetector();
    final PackageStatementDetector packageDetector = new PackageStatementDetector();
    GroovyClassLoader groovyClassLoader = new GroovyClassLoader(classLoader, configuration, false) {

        @Override
        protected CompilationUnit createCompilationUnit(CompilerConfiguration compilerConfiguration, CodeSource codeSource) {
            CompilationUnit compilationUnit = new CustomCompilationUnit(compilerConfiguration, codeSource, customVerifier, this);
            if (transformer != null) {
                transformer.register(compilationUnit);
            }
            compilationUnit.addPhaseOperation(packageDetector, Phases.CANONICALIZATION);
            compilationUnit.addPhaseOperation(emptyScriptDetector, Phases.CANONICALIZATION);
            return compilationUnit;
        }
    };
    groovyClassLoader.setResourceLoader(NO_OP_GROOVY_RESOURCE_LOADER);
    String scriptText = source.getResource().getText();
    String scriptName = source.getClassName();
    GroovyCodeSource codeSource = new GroovyCodeSource(scriptText == null ? "" : scriptText, scriptName, "/groovy/script");
    try {
        try {
            groovyClassLoader.parseClass(codeSource, false);
        } catch (MultipleCompilationErrorsException e) {
            wrapCompilationFailure(source, e);
        } catch (CompilationFailedException e) {
            throw new GradleException(String.format("Could not compile %s.", source.getDisplayName()), e);
        }
        if (packageDetector.hasPackageStatement) {
            throw new UnsupportedOperationException(String.format("%s should not contain a package statement.", StringUtils.capitalize(source.getDisplayName())));
        }
        serializeMetadata(source, extractingTransformer, metadataDir, emptyScriptDetector.isEmptyScript(), emptyScriptDetector.getHasMethods());
    } finally {
        ClassLoaderUtils.tryClose(groovyClassLoader);
    }
}