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

Example 16 with ClassSymbol

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

the class TypeVariableImpl method owner.

/**
     * Return the class, interface, method, or constructor within
     * which this type variable is declared.
     */
public ProgramElementDoc owner() {
    Symbol osym = type.tsym.owner;
    if ((osym.kind & Kinds.TYP) != 0) {
        return env.getClassDoc((ClassSymbol) osym);
    }
    Names names = osym.name.table.names;
    if (osym.name == names.init) {
        return env.getConstructorDoc((MethodSymbol) osym);
    } else {
        return env.getMethodDoc((MethodSymbol) osym);
    }
}

Example 17 with ClassSymbol

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

the class PackageDocImpl method getClasses.

/**
     * Return a list of all classes contained in this package, including
     * member classes of those classes, and their member classes, etc.
     */
private List<ClassDocImpl> getClasses(boolean filtered) {
    if (allClasses != null && !filtered) {
        return allClasses;
    }
    if (allClassesFiltered != null && filtered) {
        return allClassesFiltered;
    }
    ListBuffer<ClassDocImpl> classes = new ListBuffer<ClassDocImpl>();
    for (Scope.Entry e = sym.members().elems; e != null; e = e.sibling) {
        if (e.sym != null) {
            ClassSymbol s = (ClassSymbol) e.sym;
            ClassDocImpl c = env.getClassDoc(s);
            if (c != null && !c.isSynthetic())
                c.addAllClasses(classes, filtered);
        }
    }
    if (filtered)
        return allClassesFiltered = classes.toList();
    else
        return allClasses = classes.toList();
}

Example 18 with ClassSymbol

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

the class Attr method attribClass.

/** Attribute class definition associated with given class symbol.
     *  @param c   The class symbol whose definition will be attributed.
     */
void attribClass(ClassSymbol c) throws CompletionFailure {
    if (c.type.tag == ERROR)
        return;
    // Check for cycles in the inheritance graph, which can arise from
    // ill-formed class files.
    chk.checkNonCyclic(null, c.type);
    Type st = types.supertype(c.type);
    if ((c.flags_field & Flags.COMPOUND) == 0) {
        // First, attribute superclass.
        if (st.tag == CLASS)
            attribClass((ClassSymbol) st.tsym);
        // Next attribute owner, if it is a class.
        if (c.owner.kind == TYP && c.owner.type.tag == CLASS)
            attribClass((ClassSymbol) c.owner);
    }
    // UNATTRIBUTED.
    if ((c.flags_field & UNATTRIBUTED) != 0) {
        c.flags_field &= ~UNATTRIBUTED;
        // Get environment current at the point of class definition.
        Env<AttrContext> env = enter.typeEnvs.get(c);
        // The info.lint field in the envs stored in enter.typeEnvs is deliberately uninitialized,
        // because the annotations were not available at the time the env was created. Therefore,
        // we look up the environment chain for the first enclosing environment for which the
        // lint value is set. Typically, this is the parent env, but might be further if there
        // are any envs created as a result of TypeParameter nodes.
        Env<AttrContext> lintEnv = env;
        while (lintEnv.info.lint == null) lintEnv = lintEnv.next;
        // Having found the enclosing lint value, we can initialize the lint value for this class
        env.info.lint = lintEnv.info.lint.augment(c.attributes_field, c.flags());
        Lint prevLint = chk.setLint(env.info.lint);
        JavaFileObject prev = log.useSource(c.sourcefile);
        try {
            // java.lang.Enum may not be subclassed by a non-enum
            if (st.tsym == syms.enumSym && ((c.flags_field & (Flags.ENUM | Flags.COMPOUND)) == 0))
                log.error(env.tree.pos(), "enum.no.subclassing");
            // Enums may not be extended by source-level classes
            if (st.tsym != null && ((st.tsym.flags_field & Flags.ENUM) != 0) && ((c.flags_field & (Flags.ENUM | Flags.COMPOUND)) == 0) && !target.compilerBootstrap(c)) {
                log.error(env.tree.pos(), "enum.types.not.extensible");
            }
            attribClassBody(env, c);
            chk.checkDeprecatedAnnotation(env.tree.pos(), c);
        } finally {
            log.useSource(prev);
            chk.setLint(prevLint);
        }
    }
}

Example 19 with ClassSymbol

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

the class Attr method visitMethodDef.

public void visitMethodDef(JCMethodDecl tree) {
    MethodSymbol m = tree.sym;
    Lint lint = env.info.lint.augment(m.attributes_field, m.flags());
    Lint prevLint = chk.setLint(lint);
    MethodSymbol prevMethod = chk.setMethod(m);
    try {
        deferredLintHandler.flush(tree.pos());
        chk.checkDeprecatedAnnotation(tree.pos(), m);
        attribBounds(tree.typarams);
        // JLS ???
        if (m.isStatic()) {
            chk.checkHideClashes(tree.pos(), env.enclClass.type, m);
        } else {
            chk.checkOverrideClashes(tree.pos(), env.enclClass.type, m);
        }
        chk.checkOverride(tree, m);
        // Create a new environment with local scope
        // for attributing the method.
        Env<AttrContext> localEnv = memberEnter.methodEnv(tree, env);
        localEnv.info.lint = lint;
        // Enter all type parameters into the local method scope.
        for (List<JCTypeParameter> l = tree.typarams; l.nonEmpty(); l = l.tail) localEnv.info.scope.enterIfAbsent(l.head.type.tsym);
        ClassSymbol owner = env.enclClass.sym;
        if ((owner.flags() & ANNOTATION) != 0 && tree.params.nonEmpty())
            log.error(tree.params.head.pos(), "intf.annotation.members.cant.have.params");
        // Attribute all value parameters.
        for (List<JCVariableDecl> l = tree.params; l.nonEmpty(); l = l.tail) {
            attribStat(l.head, localEnv);
        }
        chk.checkVarargsMethodDecl(localEnv, tree);
        // Check that type parameters are well-formed.
        chk.validate(tree.typarams, localEnv);
        // Check that result type is well-formed.
        chk.validate(tree.restype, localEnv);
        // annotation method checks
        if ((owner.flags() & ANNOTATION) != 0) {
            // annotation method cannot have throws clause
            if (tree.thrown.nonEmpty()) {
                log.error(tree.thrown.head.pos(), "throws.not.allowed.in.intf.annotation");
            }
            // annotation method cannot declare type-parameters
            if (tree.typarams.nonEmpty()) {
                log.error(tree.typarams.head.pos(), "intf.annotation.members.cant.have.type.params");
            }
            // validate annotation method's return type (could be an annotation type)
            chk.validateAnnotationType(tree.restype);
            // ensure that annotation method does not clash with members of Object/Annotation
            chk.validateAnnotationMethod(tree.pos(), m);
            if (tree.defaultValue != null) {
                // if default value is an annotation, check it is a well-formed
                // annotation value (e.g. no duplicate values, no missing values, etc.)
                chk.validateAnnotationTree(tree.defaultValue);
            }
        }
        for (List<JCExpression> l = tree.thrown; l.nonEmpty(); l = l.tail) chk.checkType(l.head.pos(), l.head.type, syms.throwableType);
        if (tree.body == null) {
            // in a retrofit signature class.
            if ((owner.flags() & INTERFACE) == 0 && (tree.mods.flags & (ABSTRACT | NATIVE)) == 0 && !relax)
                log.error(tree.pos(), "missing.meth.body.or.decl.abstract");
            if (tree.defaultValue != null) {
                if ((owner.flags() & ANNOTATION) == 0)
                    log.error(tree.pos(), "default.allowed.in.intf.annotation.member");
            }
        } else if ((owner.flags() & INTERFACE) != 0) {
            log.error(tree.body.pos(), "intf.meth.cant.have.body");
        } else if ((tree.mods.flags & ABSTRACT) != 0) {
            log.error(tree.pos(), "abstract.meth.cant.have.body");
        } else if ((tree.mods.flags & NATIVE) != 0) {
            log.error(tree.pos(), "native.meth.cant.have.body");
        } else {
            // or we are compiling class java.lang.Object.
            if (tree.name == names.init && owner.type != syms.objectType) {
                JCBlock body = tree.body;
                if (body.stats.isEmpty() || !TreeInfo.isSelfCall(names, body.stats.head)) {
                    body.stats = body.stats.prepend(memberEnter.SuperCall(make.at(body.pos), List.<Type>nil(), List.<JCVariableDecl>nil(), false));
                } else if ((env.enclClass.sym.flags() & ENUM) != 0 && (tree.mods.flags & GENERATEDCONSTR) == 0 && TreeInfo.isSuperCall(names, body.stats.head)) {
                    // enum constructors are not allowed to call super
                    // directly, so make sure there aren't any super calls
                    // in enum constructors, except in the compiler
                    // generated one.
                    log.error(tree.body.stats.head.pos(), "call.to.super.not.allowed.in.enum.ctor", env.enclClass.sym);
                }
            }
            // Attribute method body.
            attribStat(tree.body, localEnv);
        }
        localEnv.info.scope.leave();
        result = tree.type = m.type;
        chk.validateAnnotations(tree.mods.annotations, m);
    } finally {
        chk.setLint(prevLint);
        chk.setMethod(prevMethod);
    }
}

Example 20 with ClassSymbol

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

the class JavacClass method getEnclosingClass.

@Override
public ClassMirror getEnclosingClass() {
    if (!enclosingClassSet) {
        Symbol encl = classSymbol.getEnclosingElement();
        if (encl != null && encl instanceof ClassSymbol) {
            enclosingClass = new JavacClass((ClassSymbol) encl);
        }
        enclosingClassSet = true;
    }
    return enclosingClass;
}