Examples with ParserFactory com.sun.tools.javac.parser.ParserFactory used on opensource projects

Example 1 with ParserFactory

use of com.sun.tools.javac.parser.ParserFactory in project ceylon-compiler by ceylon.

the class JavacTaskImpl method parseType.

/**
     * For internal use only.  This method will be
     * removed without warning.
     */
public Type parseType(String expr, TypeElement scope) {
    if (expr == null || expr.equals(""))
        throw new IllegalArgumentException();
    compiler = JavaCompiler.instance(context);
    JavaFileObject prev = compiler.log.useSource(null);
    ParserFactory parserFactory = ParserFactory.instance(context);
    Attr attr = Attr.instance(context);
    try {
        CharBuffer buf = CharBuffer.wrap((expr + "").toCharArray(), 0, expr.length());
        Parser parser = parserFactory.newParser(buf, false, false, false);
        JCTree tree = parser.parseType();
        return attr.attribType(tree, (Symbol.TypeSymbol) scope);
    } finally {
        compiler.log.useSource(prev);
    }
}

Example 2 with ParserFactory

use of com.sun.tools.javac.parser.ParserFactory in project ceylon-compiler by ceylon.

the class TestLog method test.

static void test(boolean genEndPos) throws IOException {
    Context context = new Context();
    Options options = Options.instance(context);
    options.put("diags", "%b:%s/%o/%e:%_%t%m|%p%m");
    Log log = Log.instance(context);
    log.multipleErrors = true;
    JavacFileManager.preRegister(context);
    ParserFactory pfac = ParserFactory.instance(context);
    final String text = "public class Foo {\n" + "  public static void main(String[] args) {\n" + "    if (args.length == 0)\n" + "      System.out.println(\"no args\");\n" + "    else\n" + "      System.out.println(args.length + \" args\");\n" + "  }\n" + "}\n";
    JavaFileObject fo = new StringJavaFileObject("Foo", text);
    log.useSource(fo);
    CharSequence cs = fo.getCharContent(true);
    Parser parser = pfac.newParser(cs, false, genEndPos, false);
    JCTree.JCCompilationUnit tree = parser.parseCompilationUnit();
    log.setEndPosTable(fo, tree.endPositions);
    TreeScanner ts = new LogTester(log, tree.endPositions);
    ts.scan(tree);
    check(log.nerrors, 4, "errors");
    check(log.nwarnings, 4, "warnings");
}

Example 3 with ParserFactory

use of com.sun.tools.javac.parser.ParserFactory in project bazel by bazelbuild.

the class TreePrunerTest method parseLines.

JCCompilationUnit parseLines(String... lines) {
    Context context = new Context();
    try (JavacFileManager fm = new JavacFileManager(context, true, UTF_8)) {
        ParserFactory parserFactory = ParserFactory.instance(context);
        String input = Joiner.on('\n').join(lines);
        JavacParser parser = parserFactory.newParser(input, /*keepDocComments=*/
        false, /*keepEndPos=*/
        false, /*keepLineMap=*/
        false);
        return parser.parseCompilationUnit();
    } catch (IOException e) {
        throw new IOError(e);
    }
}