Examples with ClassTree com.sun.source.tree.ClassTree used on opensource projects

Example 6 with ClassTree

use of com.sun.source.tree.ClassTree in project error-prone by google.

the class RefasterRuleCompilerAnalyzer method finished.

@Override
public void finished(TaskEvent taskEvent) {
    if (taskEvent.getKind() != Kind.ANALYZE) {
        return;
    }
    if (JavaCompiler.instance(context).errorCount() > 0) {
        return;
    }
    ClassTree tree = JavacTrees.instance(context).getTree(taskEvent.getTypeElement());
    if (tree == null) {
        return;
    }
    Collection<? extends CodeTransformer> rules = RefasterRuleBuilderScanner.extractRules(tree, context);
    try (ObjectOutputStream output = new ObjectOutputStream(Files.newOutputStream(destinationPath))) {
        output.writeObject(CompositeCodeTransformer.compose(rules));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Example 7 with ClassTree

use of com.sun.source.tree.ClassTree in project error-prone by google.

the class TemplateIntegrationTest method extractRefasterRule.

private CodeTransformer extractRefasterRule(JavaFileObject object) {
    compile(object);
    ClassTree classTree = Iterables.getOnlyElement(FluentIterable.from(compilationUnits).transformAndConcat(new Function<CompilationUnitTree, Iterable<? extends Tree>>() {

        @Override
        public Iterable<? extends Tree> apply(CompilationUnitTree input) {
            return input.getTypeDecls();
        }
    }).filter(ClassTree.class));
    return Iterables.getOnlyElement(RefasterRuleBuilderScanner.extractRules(classTree, context));
}

Example 8 with ClassTree

use of com.sun.source.tree.ClassTree in project error-prone by google.

the class ImmutableAnalysis method areFieldsImmutable.

/**
   * Check a single class' fields for immutability.
   *
   * @param immutableTyParams the in-scope immutable type parameters
   * @param classType the type to check the fields of
   */
Violation areFieldsImmutable(Optional<ClassTree> tree, ImmutableSet<String> immutableTyParams, ClassType classType) {
    ClassSymbol classSym = (ClassSymbol) classType.tsym;
    if (classSym.members() == null) {
        return Violation.absent();
    }
    Filter<Symbol> instanceFieldFilter = new Filter<Symbol>() {

        @Override
        public boolean accepts(Symbol symbol) {
            return symbol.getKind() == ElementKind.FIELD && !symbol.isStatic();
        }
    };
    Map<Symbol, Tree> declarations = new HashMap<>();
    if (tree.isPresent()) {
        for (Tree member : tree.get().getMembers()) {
            Symbol sym = ASTHelpers.getSymbol(member);
            if (sym != null) {
                declarations.put(sym, member);
            }
        }
    }
    // javac gives us members in reverse declaration order
    // handling them in declaration order leads to marginally better diagnostics
    List<Symbol> members = ImmutableList.copyOf(classSym.members().getSymbols(instanceFieldFilter)).reverse();
    for (Symbol member : members) {
        Optional<Tree> memberTree = Optional.fromNullable(declarations.get(member));
        Violation info = isFieldImmutable(memberTree, immutableTyParams, classSym, classType, (VarSymbol) member);
        if (info.isPresent()) {
            return info;
        }
    }
    return Violation.absent();
}

Example 9 with ClassTree

use of com.sun.source.tree.ClassTree in project error-prone by google.

the class RefasterScanner method visitClass.

@Override
public Void visitClass(ClassTree node, Context context) {
    Symbol sym = ASTHelpers.getSymbol(node);
    if (sym == null || !sym.getQualifiedName().contentEquals(rule().qualifiedTemplateClass())) {
        ListBuffer<JCStatement> statements = new ListBuffer<>();
        for (Tree tree : node.getMembers()) {
            if (tree instanceof JCStatement) {
                statements.append((JCStatement) tree);
            } else {
                tree.accept(this, context);
            }
        }
        scan(TreeMaker.instance(context).Block(0, statements.toList()), context);
    }
    return null;
}

Example 10 with ClassTree

use of com.sun.source.tree.ClassTree in project ceylon-compiler by ceylon.

the class T6404194 method main.

public static void main(String... args) throws IOException {
    class MyFileObject extends SimpleJavaFileObject {

        MyFileObject() {
            super(URI.create("myfo:///Test.java"), SOURCE);
        }

        @Override
        public String getCharContent(boolean ignoreEncodingErrors) {
            //      01234567890123456 7890 123456789012345
            return "@SuppressWarning(\"foo\") @Deprecated class Test { Test() { } }";
        }
    }
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    List<JavaFileObject> compilationUnits = Collections.<JavaFileObject>singletonList(new MyFileObject());
    JavacTask task = (JavacTask) javac.getTask(null, null, null, null, null, compilationUnits);
    Trees trees = Trees.instance(task);
    CompilationUnitTree toplevel = task.parse().iterator().next();
    ClassTree classTree = (ClassTree) toplevel.getTypeDecls().get(0);
    List<? extends Tree> annotations = classTree.getModifiers().getAnnotations();
    Tree tree1 = annotations.get(0);
    Tree tree2 = annotations.get(1);
    long pos = trees.getSourcePositions().getStartPosition(toplevel, tree1);
    if (pos != 0)
        throw new AssertionError(String.format("Start pos for %s is incorrect (%s)!", tree1, pos));
    pos = trees.getSourcePositions().getEndPosition(toplevel, tree1);
    if (pos != 23)
        throw new AssertionError(String.format("End pos for %s is incorrect (%s)!", tree1, pos));
    pos = trees.getSourcePositions().getStartPosition(toplevel, tree2);
    if (pos != 24)
        throw new AssertionError(String.format("Start pos for %s is incorrect (%s)!", tree2, pos));
    pos = trees.getSourcePositions().getEndPosition(toplevel, tree2);
    if (pos != 35)
        throw new AssertionError(String.format("End pos for %s is incorrect (%s)!", tree2, pos));
}