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Example 1 with ProblemDetector

use of dagger.internal.ProblemDetector in project dagger by square.

the class GraphAnalysisProcessor method process.

/**
 * Perform full-graph analysis on complete modules. This checks that all of
 * the module's dependencies are satisfied.
 */
@Override
public boolean process(Set<? extends TypeElement> types, RoundEnvironment env) {
    if (!env.processingOver()) {
        // passes.
        for (Element e : env.getElementsAnnotatedWith(Module.class)) {
            if (!(e instanceof TypeElement)) {
                error("@Module applies to a type, " + e.getSimpleName() + " is a " + e.getKind(), e);
                continue;
            }
            delayedModuleNames.add(((TypeElement) e).getQualifiedName().toString());
        }
        return false;
    }
    Set<Element> modules = new LinkedHashSet<Element>();
    for (String moduleName : delayedModuleNames) {
        modules.add(elements().getTypeElement(moduleName));
    }
    for (Element element : modules) {
        Map<String, Object> annotation = null;
        try {
            annotation = getAnnotation(Module.class, element);
        } catch (CodeGenerationIncompleteException e) {
            // skip this element. An up-stream compiler error is in play.
            continue;
        }
        TypeElement moduleType = (TypeElement) element;
        if (annotation == null) {
            error("Missing @Module annotation.", moduleType);
            continue;
        }
        if (annotation.get("complete").equals(Boolean.TRUE)) {
            Map<String, Binding<?>> bindings;
            try {
                bindings = processCompleteModule(moduleType, false);
                new ProblemDetector().detectCircularDependencies(bindings.values());
            } catch (ModuleValidationException e) {
                error("Graph validation failed: " + e.getMessage(), e.source);
                continue;
            } catch (InvalidBindingException e) {
                error("Graph validation failed: " + e.getMessage(), elements().getTypeElement(e.type));
                continue;
            } catch (RuntimeException e) {
                if (ERROR_NAMES_TO_PROPAGATE.contains(e.getClass().getName())) {
                    throw e;
                }
                error("Unknown error " + e.getClass().getName() + " thrown by javac in graph validation: " + e.getMessage(), moduleType);
                continue;
            }
            try {
                writeDotFile(moduleType, bindings);
            } catch (IOException e) {
                StringWriter sw = new StringWriter();
                e.printStackTrace(new PrintWriter(sw));
                processingEnv.getMessager().printMessage(Diagnostic.Kind.WARNING, "Graph visualization failed. Please report this as a bug.\n\n" + sw, moduleType);
            }
        }
        if (annotation.get("library").equals(Boolean.FALSE)) {
            Map<String, Binding<?>> bindings = processCompleteModule(moduleType, true);
            try {
                new ProblemDetector().detectUnusedBinding(bindings.values());
            } catch (IllegalStateException e) {
                error("Graph validation failed: " + e.getMessage(), moduleType);
            }
        }
    }
    return false;
}
Also used : LinkedHashSet(java.util.LinkedHashSet) ProvidesBinding(dagger.internal.ProvidesBinding) Binding(dagger.internal.Binding) SetBinding(dagger.internal.SetBinding) CodeGenerationIncompleteException(dagger.internal.codegen.Util.CodeGenerationIncompleteException) InvalidBindingException(dagger.internal.Binding.InvalidBindingException) TypeElement(javax.lang.model.element.TypeElement) VariableElement(javax.lang.model.element.VariableElement) TypeElement(javax.lang.model.element.TypeElement) ExecutableElement(javax.lang.model.element.ExecutableElement) Element(javax.lang.model.element.Element) IOException(java.io.IOException) StringWriter(java.io.StringWriter) ProblemDetector(dagger.internal.ProblemDetector) FileObject(javax.tools.FileObject) Module(dagger.Module) PrintWriter(java.io.PrintWriter)

Aggregations

Module (dagger.Module)1 Binding (dagger.internal.Binding)1 InvalidBindingException (dagger.internal.Binding.InvalidBindingException)1 ProblemDetector (dagger.internal.ProblemDetector)1 ProvidesBinding (dagger.internal.ProvidesBinding)1 SetBinding (dagger.internal.SetBinding)1 CodeGenerationIncompleteException (dagger.internal.codegen.Util.CodeGenerationIncompleteException)1 IOException (java.io.IOException)1 PrintWriter (java.io.PrintWriter)1 StringWriter (java.io.StringWriter)1 LinkedHashSet (java.util.LinkedHashSet)1 Element (javax.lang.model.element.Element)1 ExecutableElement (javax.lang.model.element.ExecutableElement)1 TypeElement (javax.lang.model.element.TypeElement)1 VariableElement (javax.lang.model.element.VariableElement)1 FileObject (javax.tools.FileObject)1