Examples with Symbol com.sun.tools.javac.code.Symbol used on opensource projects

Example 76 with Symbol

use of com.sun.tools.javac.code.Symbol in project ceylon-compiler by ceylon.

the class Printer method className.

/**
     * Converts a class name into a (possibly localized) string. Anonymous
     * inner classes gets converted into a localized string.
     *
     * @param t the type of the class whose name is to be rendered
     * @param longform if set, the class' fullname is displayed - if unset the
     * short name is chosen (w/o package)
     * @param locale the locale in which the string is to be rendered
     * @return localized string representation
     */
protected String className(ClassType t, boolean longform, Locale locale) {
    Symbol sym = t.tsym;
    if (sym.name.length() == 0 && (sym.flags() & COMPOUND) != 0) {
        StringBuffer s = new StringBuffer(visit(t.supertype_field, locale));
        for (List<Type> is = t.interfaces_field; is.nonEmpty(); is = is.tail) {
            s.append("&");
            s.append(visit(is.head, locale));
        }
        return s.toString();
    } else if (sym.name.length() == 0) {
        String s;
        ClassType norm = (ClassType) t.tsym.type;
        if (norm == null) {
            s = localize(locale, "compiler.misc.anonymous.class", (Object) null);
        } else if (norm.interfaces_field.nonEmpty()) {
            s = localize(locale, "compiler.misc.anonymous.class", visit(norm.interfaces_field.head, locale));
        } else {
            s = localize(locale, "compiler.misc.anonymous.class", visit(norm.supertype_field, locale));
        }
        return s;
    } else if (longform) {
        return sym.getQualifiedName().toString();
    } else {
        return sym.name.toString();
    }
}

Example 77 with Symbol

use of com.sun.tools.javac.code.Symbol in project ceylon-compiler by ceylon.

the class ClassReader method includeClassFile.

/** Include class corresponding to given class file in package,
     *  unless (1) we already have one the same kind (.class or .java), or
     *         (2) we have one of the other kind, and the given class file
     *             is older.
     */
protected void includeClassFile(PackageSymbol p, JavaFileObject file) {
    if ((p.flags_field & EXISTS) == 0)
        for (Symbol q = p; q != null && q.kind == PCK; q = q.owner) q.flags_field |= EXISTS;
    JavaFileObject.Kind kind = file.getKind();
    int seen;
    if (kind == JavaFileObject.Kind.CLASS)
        seen = CLASS_SEEN;
    else
        seen = SOURCE_SEEN;
    String binaryName = fileManager.inferBinaryName(currentLoc, file);
    int lastDot = binaryName.lastIndexOf(".");
    Name classname = names.fromString(binaryName.substring(lastDot + 1));
    boolean isPkgInfo = classname == names.package_info;
    ClassSymbol c = isPkgInfo ? p.package_info : (ClassSymbol) p.members_field.lookup(classname).sym;
    if (c == null) {
        c = enterClass(classname, p);
        if (// only update the file if's it's newly created
        c.classfile == null)
            c.classfile = file;
        if (isPkgInfo) {
            p.package_info = c;
        } else {
            if (// it might be an inner class
            c.owner == p)
                p.members_field.enter(c);
        }
    } else if (c.classfile != null && (c.flags_field & seen) == 0) {
        // a file of the same kind; again no further action is necessary.
        if ((c.flags_field & (CLASS_SEEN | SOURCE_SEEN)) != 0)
            c.classfile = preferredFileObject(file, c.classfile);
    }
    c.flags_field |= seen;
}

Example 78 with Symbol

use of com.sun.tools.javac.code.Symbol in project ceylon-compiler by ceylon.

the class Gen method getStringBufferAppend.

Symbol getStringBufferAppend(JCTree tree, Type t) {
    Assert.checkNull(t.constValue());
    Symbol method = stringBufferAppend.get(t);
    if (method == null) {
        method = rs.resolveInternalMethod(tree.pos(), attrEnv, stringBufferType, names.append, List.of(t), null);
        stringBufferAppend.put(t, method);
    }
    return method;
}

Example 79 with Symbol

use of com.sun.tools.javac.code.Symbol in project ceylon-compiler by ceylon.

the class DeclarationsImpl method hides.

/**
     * {@inheritDoc}
     * See sections 8.3 and 8.4.6 of
     * <cite>The Java&trade; Language Specification</cite>
     */
public boolean hides(MemberDeclaration sub, MemberDeclaration sup) {
    Symbol hider = ((DeclarationImpl) sub).sym;
    Symbol hidee = ((DeclarationImpl) sup).sym;
    // Names must match.  Nothing hides itself (just try it).
    if (hider == hidee || hider.kind != hidee.kind || hider.name != hidee.name) {
        return false;
    }
    // Methods only hide methods with matching signatures.
    if (hider.kind == MTH) {
        if ((hider.flags() & Flags.STATIC) == 0 || !env.jctypes.isSubSignature(hider.type, hidee.type)) {
            return false;
        }
    }
    // Hider must be in a subclass of hidee's class.
    // Note that if M1 hides M2, and M2 hides M3, and M3 is accessible
    // in M1's class, then M1 and M2 both hide M3.
    ClassSymbol hiderClass = hider.owner.enclClass();
    ClassSymbol hideeClass = hidee.owner.enclClass();
    if (hiderClass == null || hideeClass == null || !hiderClass.isSubClass(hideeClass, env.jctypes)) {
        return false;
    }
    // The method isInheritedIn is poorly named:  it checks only access.
    return hidee.isInheritedIn(hiderClass, env.jctypes);
}

Example 80 with Symbol

use of com.sun.tools.javac.code.Symbol in project ceylon-compiler by ceylon.

the class Resolve method resolveDiamond.

/** Resolve constructor using diamond inference.
     *  @param pos       The position to use for error reporting.
     *  @param env       The environment current at the constructor invocation.
     *  @param site      The type of class for which a constructor is searched.
     *                   The scope of this class has been touched in attribution.
     *  @param argtypes  The types of the constructor invocation's value
     *                   arguments.
     *  @param typeargtypes  The types of the constructor invocation's type
     *                   arguments.
     */
Symbol resolveDiamond(DiagnosticPosition pos, Env<AttrContext> env, Type site, List<Type> argtypes, List<Type> typeargtypes) {
    Symbol sym = startResolution();
    List<MethodResolutionPhase> steps = methodResolutionSteps;
    while (steps.nonEmpty() && steps.head.isApplicable(boxingEnabled, varargsEnabled) && sym.kind >= ERRONEOUS) {
        currentStep = steps.head;
        sym = resolveConstructor(pos, env, site, argtypes, typeargtypes, steps.head.isBoxingRequired(), env.info.varArgs = steps.head.isVarargsRequired());
        methodResolutionCache.put(steps.head, sym);
        steps = steps.tail;
    }
    if (sym.kind >= AMBIGUOUS) {
        final JCDiagnostic details = sym.kind == WRONG_MTH ? ((InapplicableSymbolError) sym).explanation : null;
        Symbol errSym = new ResolveError(WRONG_MTH, "diamond error") {

            @Override
            JCDiagnostic getDiagnostic(DiagnosticType dkind, DiagnosticPosition pos, Symbol location, Type site, Name name, List<Type> argtypes, List<Type> typeargtypes) {
                String key = details == null ? "cant.apply.diamond" : "cant.apply.diamond.1";
                return diags.create(dkind, log.currentSource(), pos, key, diags.fragment("diamond", site.tsym), details);
            }
        };
        MethodResolutionPhase errPhase = firstErroneousResolutionPhase();
        sym = access(errSym, pos, site, names.init, true, argtypes, typeargtypes);
        env.info.varArgs = errPhase.isVarargsRequired();
    }
    return sym;
}