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

Example 11 with CompilationUnitTree

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

the class GenStubs method makeStub.

void makeStub(StandardJavaFileManager fm, CompilationUnitTree tree) throws IOException {
    CompilationUnitTree tree2 = new StubMaker().translate(tree);
    CompilationUnitTree tree3 = new ImportCleaner(fm).removeRedundantImports(tree2);
    String className = fm.inferBinaryName(StandardLocation.SOURCE_PATH, tree.getSourceFile());
    JavaFileObject fo = fm.getJavaFileForOutput(StandardLocation.SOURCE_OUTPUT, className, JavaFileObject.Kind.SOURCE, null);
    // System.err.println("Writing " + className + " to " + fo.getName());
    Writer out = fo.openWriter();
    try {
        new Pretty(out, true).printExpr((JCTree) tree3);
    } finally {
        out.close();
    }
}

Example 12 with CompilationUnitTree

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

the class T6472751 method main.

public static void main(String[] args) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
    trees = Trees.instance(task);
    positions = trees.getSourcePositions();
    Iterable<? extends CompilationUnitTree> asts = task.parse();
    for (CompilationUnitTree ast : asts) {
        new MyVisitor().scan(ast, null);
    }
}

Example 13 with CompilationUnitTree

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

the class CheckAttributedTree method read.

/**
     * Read a file.
     * @param file the file to be read
     * @return the tree for the content of the file
     * @throws IOException if any IO errors occur
     * @throws TreePosTest.ParseException if any errors occur while parsing the file
     */
List<Pair<JCCompilationUnit, JCTree>> read(File file) throws IOException, AttributionException {
    JavacTool tool = JavacTool.create();
    r.errors = 0;
    Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
    String[] opts = { "-XDshouldStopPolicy=ATTR", "-XDverboseCompilePolicy" };
    JavacTask task = tool.getTask(pw, fm, r, Arrays.asList(opts), null, files);
    final List<Element> analyzedElems = new ArrayList<>();
    task.setTaskListener(new TaskListener() {

        public void started(TaskEvent e) {
            if (e.getKind() == TaskEvent.Kind.ANALYZE)
                analyzedElems.add(e.getTypeElement());
        }

        public void finished(TaskEvent e) {
        }
    });
    try {
        Iterable<? extends CompilationUnitTree> trees = task.parse();
        task.analyze();
        List<Pair<JCCompilationUnit, JCTree>> res = new ArrayList<>();
        //System.out.println("Try to add pairs. Elems are " + analyzedElems);
        for (CompilationUnitTree t : trees) {
            JCCompilationUnit cu = (JCCompilationUnit) t;
            for (JCTree def : cu.defs) {
                if (def.getTag() == JCTree.CLASSDEF && analyzedElems.contains(((JCTree.JCClassDecl) def).sym)) {
                    //System.out.println("Adding pair...");
                    res.add(new Pair<>(cu, def));
                }
            }
        }
        return res;
    } catch (Throwable t) {
        throw new AttributionException("Exception while attributing file: " + file);
    }
}

Example 14 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree 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));
}

Example 15 with CompilationUnitTree

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

the class StatusPrinterTaskListener method started.

@Override
public void started(TaskEvent e) {
    CompilationUnitTree compilationUnit = e.getCompilationUnit();
    String path = e.getSourceFile().toUri().toString();
    sp.clearLine();
    switch(e.getKind()) {
        case ANALYZE:
            sp.log("Javac [typecheck]: " + path);
            break;
        case ENTER:
            sp.log("Javac [enter]: " + path);
            break;
        case GENERATE:
            sp.log("Javac [generate]: " + path);
            break;
        case PARSE:
            // do not log parsing for Ceylon files
            if (compilationUnit instanceof CeylonCompilationUnit == false)
                sp.log("Javac [parse]: " + path);
            break;
        default:
            break;
    }
}