Examples of com.sun.tools.javac.code.Type.MethodType

com.sun.tools.javac.code.Type.MethodType

                sym.type = type;
                if (sym.getQualifiedName().equals(names._this)) {
                    sym.owner.type.asMethodType().recvtype = type;
                    // note that the typeAnnotations will also be added to the owner below.
                } else {
                    MethodType methType = sym.owner.type.asMethodType();
                    List<VarSymbol> params = ((MethodSymbol)sym.owner).params;
                    List<Type> oldArgs = methType.argtypes;
                    ListBuffer<Type> newArgs = new ListBuffer<Type>();
                    while (params.nonEmpty()) {
                        if (params.head == sym) {

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                if (clinit == null) {
                    /* no luck, let's create a new one
                     */
                    clinit = makePrivateSyntheticMethod(STATIC,
                            names.clinit,
                            new MethodType(List.<Type>nil(), syms.voidType,
                                List.<Type>nil(), syms.methodClass),
                            csym);
                    clinits.put(csym, clinit);
                }
                return clinit;

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     */
    @Override
    public void visitLambda(JCLambda tree) {
        LambdaTranslationContext localContext = (LambdaTranslationContext)context;
        MethodSymbol sym = (MethodSymbol)localContext.translatedSym;
        MethodType lambdaType = (MethodType) sym.type;


        {
            Symbol owner = localContext.owner;
            ListBuffer<Attribute.TypeCompound> ownerTypeAnnos = new ListBuffer<Attribute.TypeCompound>();
            ListBuffer<Attribute.TypeCompound> lambdaTypeAnnos = new ListBuffer<Attribute.TypeCompound>();


            for (Attribute.TypeCompound tc : owner.getRawTypeAttributes()) {
                if (tc.position.onLambda == tree) {
                    lambdaTypeAnnos.append(tc);
                } else {
                    ownerTypeAnnos.append(tc);
                }
            }
            if (lambdaTypeAnnos.nonEmpty()) {
                owner.setTypeAttributes(ownerTypeAnnos.toList());
                sym.setTypeAttributes(lambdaTypeAnnos.toList());
            }
        }


        //create the method declaration hoisting the lambda body
        JCMethodDecl lambdaDecl = make.MethodDef(make.Modifiers(sym.flags_field),
                sym.name,
                make.QualIdent(lambdaType.getReturnType().tsym),
                List.<JCTypeParameter>nil(),
                localContext.syntheticParams,
                lambdaType.getThrownTypes() == null ?
                    List.<JCExpression>nil() :
                    make.Types(lambdaType.getThrownTypes()),
                null,
                null);
        lambdaDecl.sym = sym;
        lambdaDecl.type = lambdaType;

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        testExpr.setType(syms.booleanType);
        return testExpr;
    }


    private JCExpression deserTest(JCExpression prev, String func, String lit) {
        MethodType eqmt = new MethodType(List.of(syms.objectType), syms.booleanType, List.<Type>nil(), syms.methodClass);
        Symbol eqsym = rs.resolveQualifiedMethod(null, attrEnv, syms.objectType, names.equals, List.of(syms.objectType), List.<Type>nil());
        JCMethodInvocation eqtest = make.Apply(
                List.<JCExpression>nil(),
                make.Select(deserGetter(func, syms.stringType), eqsym).setType(eqmt),
                List.<JCExpression>of(make.Literal(lit)));

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    private JCExpression deserGetter(String func, Type type) {
        return deserGetter(func, type, List.<Type>nil(), List.<JCExpression>nil());
    }


    private JCExpression deserGetter(String func, Type type, List<Type> argTypes, List<JCExpression> args) {
        MethodType getmt = new MethodType(argTypes, type, List.<Type>nil(), syms.methodClass);
        Symbol getsym = rs.resolveQualifiedMethod(null, attrEnv, syms.serializedLambdaType, names.fromString(func), argTypes, List.<Type>nil());
        return make.Apply(
                    List.<JCExpression>nil(),
                    make.Select(make.Ident(kInfo.deserParamSym).setType(syms.serializedLambdaType), getsym).setType(getmt),
                    args).setType(type);

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        kInfo.addMethod(new MemberReferenceBridger(tree, localContext).bridge());
    }


    private MethodType typeToMethodType(Type mt) {
        Type type = types.erasure(mt);
        return new MethodType(type.getParameterTypes(),
                        type.getReturnType(),
                        type.getThrownTypes(),
                        syms.methodClass);
    }

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        for (JCExpression arg : indy_args) {
            indy_args_types.append(arg.type);
        }


        //finally, compute the type of the indy call
        MethodType indyType = new MethodType(indy_args_types.toList(),
                tree.type,
                List.<Type>nil(),
                syms.methodClass);


        Name metafactoryName = context.needsAltMetafactory() ?

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        private KlassInfo(JCClassDecl clazz) {
            this.clazz = clazz;
            appendedMethodList = new ListBuffer<>();
            deserializeCases = new HashMap<String, ListBuffer<JCStatement>>();
            MethodType type = new MethodType(List.of(syms.serializedLambdaType), syms.objectType,
                    List.<Type>nil(), syms.methodClass);
            deserMethodSym = makePrivateSyntheticMethod(STATIC, names.deserializeLambda, type, clazz.sym);
            deserParamSym = new VarSymbol(FINAL, names.fromString("lambda"),
                    syms.serializedLambdaType, deserMethodSym);
        }

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        }


        /** Obtain a method type with given argument types.
         */
        Type newMethTemplate(List<Type> argtypes, List<Type> typeargtypes) {
            MethodType mt = new MethodType(argtypes, null, null, syms.methodClass);
            return (typeargtypes == null) ? mt : (Type)new ForAll(typeargtypes, mt);
        }

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            log.error(tree.pos(), "ceylon", "Indy declared method expects less parameters than given. Expecting " + indyParameterTypeExpressions.size()
                    + ", but given " + parameterTypes.size());
            return syms.errSymbol;
        }
        
        MethodType indyType = new MethodType(indyParameterTypes.toList(), indyReturnType, List.<Type>nil(), syms.methodClass);
        
        // make an indy symbol for it
        DynamicMethodSymbol dynSym =
                new DynamicMethodSymbol(indyName,
                                        syms.noSymbol,

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Related Classes of com.sun.tools.javac.code.Type.MethodType

com.sun.tools.javac.code.TypeAnnotations$TypeAnnotationPositions

com.sun.tools.javac.comp.Attr

com.sun.tools.javac.comp.LambdaToMethod

com.sun.tools.javac.comp.LambdaToMethod$KlassInfo

com.sun.tools.javac.comp.LambdaToMethod$LambdaAnalyzerPreprocessor

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