Examples of com.sun.tools.javac.code.Symbol

com.sun.tools.javac.code.Symbol
Root class for Java symbols. It contains subclasses for specific sorts of symbols, such as variables, methods and operators, types, packages. Each subclass is represented as a static inner class inside Symbol.
This is NOT part of any supported API. If you write code that depends on this, you do so at your own risk. This code and its internal interfaces are subject to change or deletion without notice.

     *  record an initialization of the variable.
     */
    void letInit(JCTree tree) {
        tree = TreeInfo.skipParens(tree);
        if (tree.getTag() == JCTree.IDENT || tree.getTag() == JCTree.SELECT) {
            Symbol sym = TreeInfo.symbol(tree);
            if (sym.kind == VAR) {
                letInit(tree.pos(), (VarSymbol)sym);
            }
        }
    }

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            List<Type> closeableSupertypes = resource.type.isCompound() ?
                types.interfaces(resource.type).prepend(types.supertype(resource.type)) :
                List.of(resource.type);
            for (Type sup : closeableSupertypes) {
                if (types.asSuper(sup, syms.autoCloseableType.tsym) != null) {
                    Symbol closeMethod = rs.resolveQualifiedMethod(tree,
                            attrEnv,
                            sup,
                            names.close,
                            List.<Type>nil(),
                            List.<Type>nil());

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        recordExit(tree);
    }


    public void visitThrow(JCThrow tree) {
        scanExpr(tree.expr);
        Symbol sym = TreeInfo.symbol(tree.expr);
        if (sym != null &&
            sym.kind == VAR &&
            (sym.flags() & (FINAL | EFFECTIVELY_FINAL)) != 0 &&
            preciseRethrowTypes.get(sym) != null &&
            allowImprovedRethrowAnalysis) {
            for (Type t : preciseRethrowTypes.get(sym)) {
                markThrown(tree, t);
            }

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        private boolean is292targetTypeCast(JCTypeCast tree) {
            boolean is292targetTypeCast = false;
            JCExpression expr = TreeInfo.skipParens(tree.expr);
            if (expr.getTag() == JCTree.APPLY) {
                JCMethodInvocation apply = (JCMethodInvocation)expr;
                Symbol sym = TreeInfo.symbol(apply.meth);
                is292targetTypeCast = sym != null &&
                    sym.kind == MTH &&
                    (sym.flags() & POLYMORPHIC_SIGNATURE) != 0;
            }
            return is292targetTypeCast;
        }

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        if (site.tag == ARRAY) {
            if (sym == syms.lengthVar ||
                sym.owner != syms.arrayClass)
                return sym;
            // array clone can be qualified by the array type in later targets
            Symbol qualifier = target.arrayBinaryCompatibility()
                ? new ClassSymbol(Flags.PUBLIC, site.tsym.name,
                                  site, syms.noSymbol)
                : syms.objectType.tsym;
            return sym.clone(qualifier);
        }

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     *                     static or instance method.
     */
    void callMethod(DiagnosticPosition pos,
                    Type site, Name name, List<Type> argtypes,
                    boolean isStatic) {
        Symbol msym = rs.
            resolveInternalMethod(pos, attrEnv, site, name, argtypes, null);
        if (isStatic) items.makeStaticItem(msym).invoke();
        else items.makeMemberItem(msym, name == names.init).invoke();
    }

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            }
            items.makeMemberItem(getStringBufferAppend(tree, t), false).invoke();
        }
        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,

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                for (Type t : types.interfaces(tsym.type))
                    importFrom(t.tsym);


                final Scope fromScope = tsym.members();
                for (Scope.Entry e = fromScope.elems; e != null; e = e.sibling) {
                    Symbol sym = e.sym;
                    if (sym.kind == TYP &&
                        (sym.flags() & STATIC) != 0 &&
                        staticImportAccessible(sym, packge) &&
                        sym.isMemberOf(origin, types) &&
                        !toScope.includes(sym))
                        toScope.enter(sym, fromScope, origin.members());
                }
            }
        }.importFrom(tsym);


        // enter non-types before annotations that might use them
        annotate.earlier(new Annotate.Annotator() {
            Set<Symbol> processed = new HashSet<Symbol>();


            public String toString() {
                return "import static " + tsym + ".*" + " in " + sourcefile;
            }
            void importFrom(TypeSymbol tsym) {
                if (tsym == null || !processed.add(tsym))
                    return;


                // also import inherited names
                importFrom(types.supertype(tsym.type).tsym);
                for (Type t : types.interfaces(tsym.type))
                    importFrom(t.tsym);


                final Scope fromScope = tsym.members();
                for (Scope.Entry e = fromScope.elems; e != null; e = e.sibling) {
                    Symbol sym = e.sym;
                    if (sym.isStatic() && sym.kind != TYP &&
                        staticImportAccessible(sym, packge) &&
                        !toScope.includes(sym) &&
                        sym.isMemberOf(origin, types)) {
                        toScope.enter(sym, fromScope, origin.members());
                    }
                }
            }
            public void enterAnnotation() {

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                    importFrom(t.tsym);


                for (Scope.Entry e = tsym.members().lookup(name);
                     e.scope != null;
                     e = e.next()) {
                    Symbol sym = e.sym;
                    if (sym.isStatic() &&
                        sym.kind == TYP &&
                        staticImportAccessible(sym, packge) &&
                        sym.isMemberOf(origin, types) &&
                        chk.checkUniqueStaticImport(pos, sym, toScope))
                        toScope.enter(sym, sym.owner.members(), origin.members());
                }
            }
        }.importFrom(tsym);


        // enter non-types before annotations that might use them
        annotate.earlier(new Annotate.Annotator() {
            Set<Symbol> processed = new HashSet<Symbol>();
            boolean found = false;


            public String toString() {
                return "import static " + tsym + "." + name;
            }
            void importFrom(TypeSymbol tsym) {
                if (tsym == null || !processed.add(tsym))
                    return;


                // also import inherited names
                importFrom(types.supertype(tsym.type).tsym);
                for (Type t : types.interfaces(tsym.type))
                    importFrom(t.tsym);


                for (Scope.Entry e = tsym.members().lookup(name);
                     e.scope != null;
                     e = e.next()) {
                    Symbol sym = e.sym;
                    if (sym.isStatic() &&
                        staticImportAccessible(sym, packge) &&
                        sym.isMemberOf(origin, types)) {
                        found = true;
                        if (sym.kind == MTH ||
                            sym.kind != TYP && chk.checkUniqueStaticImport(pos, sym, toScope))
                            toScope.enter(sym, sym.owner.members(), origin.members());
                    }

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        }


        // check that no class exists with same fully qualified name as
        // toplevel package
        if (checkClash && tree.pid != null) {
            Symbol p = tree.packge;
            while (p.owner != syms.rootPackage) {
                p.owner.complete(); // enter all class members of p
                if (syms.classes.get(p.getQualifiedName()) != null) {
                    log.error(tree.pos,
                              "pkg.clashes.with.class.of.same.name",
                              p);
                }
                p = p.owner;

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