Examples with SimpleJavaFileObject javax.tools.SimpleJavaFileObject used on opensource projects

Example 6 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject 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 7 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project vert.x by eclipse.

the class MemoryFileManager method getJavaFileForOutput.

@Override
public JavaFileObject getJavaFileForOutput(Location location, final String className, JavaFileObject.Kind kind, FileObject sibling) throws IOException {
    try {
        return new SimpleJavaFileObject(new URI(""), kind) {

            public OutputStream openOutputStream() throws IOException {
                ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                compiledClasses.put(className, outputStream);
                return outputStream;
            }
        };
    } catch (URISyntaxException e) {
        throw new RuntimeException(e);
    }
}

Example 8 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project ceylon-compiler by ceylon.

the class TestPos method main.

public static void main(String... args) throws IOException {
    final boolean[] sawError = { false };
    final StringBuilder log = new StringBuilder();
    class MyFileObject extends SimpleJavaFileObject {

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

        @Override
        public String getCharContent(boolean ignoreEncodingErrors) {
            //      0123456789012345678901234567890123456789012345678901234
            return "class Test { { Object[] o = new <T,e,s,t>Object[0]; } }";
        }
    }
    class Scanner extends TreeScanner<Void, Trees> {

        CompilationUnitTree toplevel = null;

        @Override
        public Void visitCompilationUnit(CompilationUnitTree node, Trees trees) {
            toplevel = node;
            return super.visitCompilationUnit(node, trees);
        }

        @Override
        public Void visitErroneous(ErroneousTree node, Trees trees) {
            sawError[0] = true;
            long startPos = trees.getSourcePositions().getStartPosition(toplevel, node);
            long endPos = trees.getSourcePositions().getEndPosition(toplevel, node);
            log.append(String.format("begin=%s, end=%s : %s%n", startPos, endPos, node.getErrorTrees()));
            if (startPos != 28)
                error("Start pos for %s is incorrect (%s)!", node, startPos);
            if (endPos != 50)
                error("End pos for %s is incorrect (%s)!", node, endPos);
            return null;
        }
    }
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    List<JavaFileObject> compilationUnits = Collections.<JavaFileObject>singletonList(new MyFileObject());
    DiagnosticListener<JavaFileObject> dl = new DiagnosticListener<JavaFileObject>() {

        public void report(Diagnostic<? extends JavaFileObject> diag) {
            log.append(String.format("%s @ %s%n", diag.getCode(), diag.getPosition()));
            if (!diag.getCode().equals(errCode))
                error("unexpected error");
            if (diag.getPosition() != 33)
                error("Error pos for %s is incorrect (%s)!", diag.getCode(), diag.getPosition());
            sawError[0] = true;
        }
    };
    JavacTask task = (JavacTask) javac.getTask(null, null, dl, null, null, compilationUnits);
    Trees trees = Trees.instance(task);
    Iterable<? extends Tree> toplevels = task.parse();
    if (!sawError[0])
        error("No parse error detected");
    sawError[0] = false;
    new Scanner().scan(toplevels, trees);
    if (!sawError[0])
        error("No error tree detected");
    if (!log.toString().equals(expected))
        error("Unexpected log message: %n%s%n", log);
    System.out.print(log);
    System.out.flush();
}

Example 9 with SimpleJavaFileObject

use of javax.tools.SimpleJavaFileObject in project ceylon-compiler by ceylon.

the class T6402077 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) {
            //      0123456789012345678901234
            return "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();
    Tree tree = ((ClassTree) toplevel.getTypeDecls().get(0)).getMembers().get(0);
    long pos = trees.getSourcePositions().getStartPosition(toplevel, tree);
    if (pos != 13)
        throw new AssertionError(String.format("Start pos for %s is incorrect (%s)!", tree, pos));
    pos = trees.getSourcePositions().getEndPosition(toplevel, tree);
    if (pos != 23)
        throw new AssertionError(String.format("End pos for %s is incorrect (%s)!", tree, pos));
}