Examples with JCStatement com.sun.tools.javac.tree.JCTree.JCStatement used on opensource projects

Example 91 with JCStatement

use of com.sun.tools.javac.tree.JCTree.JCStatement in project ceylon-compiler by ceylon.

the class CallableBuilder method buildTypeConstructor.

protected JCExpression buildTypeConstructor(Type callableType, JCNewClass callableInstance) {
    JCExpression result;
    // Wrap in an anonymous TypeConstructor subcla
    MethodDefinitionBuilder rawApply = MethodDefinitionBuilder.systemMethod(gen, Naming.Unfix.apply.toString());
    rawApply.modifiers(Flags.PUBLIC);
    rawApply.isOverride(true);
    //for (TypeParameter tp : typeModel.getDeclaration().getTypeParameters()) {
    //    apply.typeParameter(tp);
    //}
    rawApply.resultType(null, gen.makeJavaType(callableType, AbstractTransformer.JT_RAW));
    {
        ParameterDefinitionBuilder pdb = ParameterDefinitionBuilder.systemParameter(gen, "applied");
        pdb.modifiers(Flags.FINAL);
        pdb.type(gen.make().TypeArray(gen.make().Type(gen.syms().ceylonTypeDescriptorType)), null);
        rawApply.parameter(pdb);
    }
    rawApply.body(List.<JCStatement>of(gen.make().Return(gen.make().Apply(null, gen.naming.makeUnquotedIdent(Naming.Unfix.$apply$.toString()), List.<JCExpression>of(gen.naming.makeUnquotedIdent("applied"))))));
    MethodDefinitionBuilder typedApply = MethodDefinitionBuilder.systemMethod(gen, Naming.Unfix.$apply$.toString());
    typedApply.modifiers(Flags.PRIVATE);
    //for (TypeParameter tp : typeModel.getDeclaration().getTypeParameters()) {
    //    apply.typeParameter(tp);
    //}
    typedApply.resultType(null, gen.makeJavaType(callableType));
    {
        ParameterDefinitionBuilder pdb = ParameterDefinitionBuilder.systemParameter(gen, "applied");
        pdb.modifiers(Flags.FINAL);
        pdb.type(gen.make().TypeArray(gen.make().Type(gen.syms().ceylonTypeDescriptorType)), null);
        typedApply.parameter(pdb);
    }
    ListBuffer<JCTypeParameter> typeParameters = ListBuffer.<JCTypeParameter>lb();
    for (Map.Entry<TypeParameter, Type> ta : typeModel.getTypeArguments().entrySet()) {
        Type typeArgument = ta.getValue();
        TypeParameter typeParameter = ta.getKey();
        typeParameters.add(gen.makeTypeParameter(typeParameter, null));
        typedApply.body(gen.makeVar(Flags.FINAL, gen.naming.getTypeArgumentDescriptorName(typeParameter), gen.make().Type(gen.syms().ceylonTypeDescriptorType), gen.make().Indexed(gen.makeUnquotedIdent("applied"), gen.make().Literal(typeModel.getTypeArgumentList().indexOf(typeArgument)))));
    }
    typedApply.body(gen.make().Return(callableInstance));
    //typedApply.body(body.toList());
    MethodDefinitionBuilder ctor = MethodDefinitionBuilder.constructor(gen);
    ctor.body(gen.make().Exec(gen.make().Apply(null, gen.naming.makeSuper(), List.<JCExpression>of(gen.make().Literal(typeModel.asString(true))))));
    SyntheticName n = gen.naming.synthetic(typeModel.getDeclaration().getName());
    JCClassDecl classDef = gen.make().ClassDef(gen.make().Modifiers(0, List.<JCAnnotation>nil()), //name,
    n.asName(), typeParameters.toList(), //extending
    gen.make().QualIdent(gen.syms().ceylonAbstractTypeConstructorType.tsym), //implementing,
    List.<JCExpression>nil(), List.<JCTree>of(ctor.build(), rawApply.build(), typedApply.build()));
    result = gen.make().LetExpr(List.<JCStatement>of(classDef), gen.make().NewClass(null, null, n.makeIdent(), List.<JCExpression>nil(), //List.<JCExpression>of(gen.make().Literal(typeModel.asString(true))),
    null));
    return result;
}

Example 92 with JCStatement

use of com.sun.tools.javac.tree.JCTree.JCStatement in project ceylon-compiler by ceylon.

the class CallableBuilder method unboundFunctionalMemberReference.

/**
     * Used for "static" method or class references. For example:
     * <pre>
     *     value x = Integer.plus;
     *     value y = Foo.method;
     *     value z = Outer.Inner;
     * </pre>
     */
public static CallableBuilder unboundFunctionalMemberReference(CeylonTransformer gen, Tree.QualifiedMemberOrTypeExpression qmte, Type typeModel, final Functional methodClassOrCtor, Reference producedReference) {
    final ParameterList parameterList = methodClassOrCtor.getFirstParameterList();
    Type type = typeModel;
    JCExpression target;
    boolean hasOuter = !(Decl.isConstructor((Declaration) methodClassOrCtor) && gen.getNumParameterLists(typeModel) == 1);
    if (!hasOuter) {
        type = typeModel;
        target = null;
    } else {
        type = gen.getReturnTypeOfCallable(type);
        Type qualifyingType = qmte.getTarget().getQualifyingType();
        target = gen.naming.makeUnquotedIdent(Unfix.$instance$);
        target = gen.expressionGen().applyErasureAndBoxing(target, producedReference.getQualifyingType(), true, BoxingStrategy.BOXED, qualifyingType);
    }
    CallableBuilder inner = new CallableBuilder(gen, null, type, parameterList);
    //FromParameterModels();
    inner.parameterTypes = inner.getParameterTypesFromCallableModel();
    if (hasOuter) {
        inner.defaultValueCall = inner.new MemberReferenceDefaultValueCall(methodClassOrCtor);
    }
    CallBuilder callBuilder = CallBuilder.instance(gen);
    Type accessType = gen.getParameterTypeOfCallable(typeModel, 0);
    if (Decl.isConstructor((Declaration) methodClassOrCtor)) {
        Constructor ctor = Decl.getConstructor((Declaration) methodClassOrCtor);
        Class cls = Decl.getConstructedClass(ctor);
        if (Strategy.generateInstantiator(ctor)) {
            callBuilder.invoke(gen.naming.makeInstantiatorMethodName(target, cls));
        } else {
            callBuilder.instantiate(gen.makeJavaType(gen.getReturnTypeOfCallable(typeModel), JT_CLASS_NEW));
            if (!ctor.isShared()) {
                accessType = Decl.getPrivateAccessType(qmte);
            }
        }
    } else if (methodClassOrCtor instanceof Function && ((Function) methodClassOrCtor).isParameter()) {
        callBuilder.invoke(gen.naming.makeQualifiedName(target, (Function) methodClassOrCtor, Naming.NA_MEMBER));
    } else if (methodClassOrCtor instanceof Function) {
        callBuilder.invoke(gen.naming.makeQualifiedName(target, (Function) methodClassOrCtor, Naming.NA_MEMBER));
        if (!((TypedDeclaration) methodClassOrCtor).isShared()) {
            accessType = Decl.getPrivateAccessType(qmte);
        }
    } else if (methodClassOrCtor instanceof Class) {
        Class cls = (Class) methodClassOrCtor;
        if (Strategy.generateInstantiator(cls)) {
            callBuilder.invoke(gen.naming.makeInstantiatorMethodName(target, cls));
        } else {
            callBuilder.instantiate(new ExpressionAndType(target, null), gen.makeJavaType(cls.getType(), JT_CLASS_NEW | AbstractTransformer.JT_NON_QUALIFIED));
            if (!cls.isShared()) {
                accessType = Decl.getPrivateAccessType(qmte);
            }
        }
    } else {
        throw BugException.unhandledDeclarationCase((Declaration) methodClassOrCtor, qmte);
    }
    ListBuffer<ExpressionAndType> reified = ListBuffer.lb();
    DirectInvocation.addReifiedArguments(gen, producedReference, reified);
    for (ExpressionAndType reifiedArgument : reified) {
        callBuilder.argument(reifiedArgument.expression);
    }
    if (Decl.isConstructor((Declaration) methodClassOrCtor) && !Decl.isDefaultConstructor(Decl.getConstructor((Declaration) methodClassOrCtor))) {
        // invoke the param class ctor
        Constructor ctor = Decl.getConstructor((Declaration) methodClassOrCtor);
        callBuilder.argument(gen.naming.makeNamedConstructorName(ctor, false));
    }
    for (Parameter parameter : parameterList.getParameters()) {
        callBuilder.argument(gen.naming.makeQuotedIdent(Naming.getAliasedParameterName(parameter)));
    }
    JCExpression innerInvocation = callBuilder.build();
    // Need to worry about boxing for Function and FunctionalParameter 
    if (methodClassOrCtor instanceof TypedDeclaration && !Decl.isConstructor((Declaration) methodClassOrCtor)) {
        // use the method return type since the function is actually applied
        Type returnType = gen.getReturnTypeOfCallable(type);
        innerInvocation = gen.expressionGen().applyErasureAndBoxing(innerInvocation, returnType, // expression is a Callable
        CodegenUtil.hasTypeErased((TypedDeclaration) methodClassOrCtor), !CodegenUtil.isUnBoxed((TypedDeclaration) methodClassOrCtor), BoxingStrategy.BOXED, returnType, 0);
    } else if (methodClassOrCtor instanceof Class && Strategy.isInstantiatorUntyped((Class) methodClassOrCtor)) {
        // $new method declared to return Object, so needs typecast
        innerInvocation = gen.make().TypeCast(gen.makeJavaType(((Class) methodClassOrCtor).getType()), innerInvocation);
    }
    List<JCStatement> innerBody = List.<JCStatement>of(gen.make().Return(innerInvocation));
    inner.useDefaultTransformation(innerBody);
    if (!hasOuter) {
        return inner;
    }
    ParameterList outerPl = new ParameterList();
    Parameter instanceParameter = new Parameter();
    instanceParameter.setName(Naming.name(Unfix.$instance$));
    Value valueModel = new Value();
    instanceParameter.setModel(valueModel);
    valueModel.setName(instanceParameter.getName());
    valueModel.setInitializerParameter(instanceParameter);
    valueModel.setType(accessType);
    valueModel.setUnboxed(false);
    outerPl.getParameters().add(instanceParameter);
    CallableBuilder outer = new CallableBuilder(gen, null, typeModel, outerPl);
    outer.parameterTypes = outer.getParameterTypesFromParameterModels();
    List<JCStatement> outerBody = List.<JCStatement>of(gen.make().Return(inner.build()));
    outer.useDefaultTransformation(outerBody);
    outer.companionAccess = Decl.isPrivateAccessRequiringCompanion(qmte);
    return outer;
}

Example 93 with JCStatement

use of com.sun.tools.javac.tree.JCTree.JCStatement in project ceylon-compiler by ceylon.

the class CallableBuilder method javaStaticMethodReference.

public static CallableBuilder javaStaticMethodReference(CeylonTransformer gen, Type typeModel, final Functional methodOrClass, Reference producedReference) {
    final ParameterList parameterList = methodOrClass.getFirstParameterList();
    CallableBuilder inner = new CallableBuilder(gen, null, typeModel, parameterList);
    ArrayList<Type> pt = new ArrayList<>();
    for (Parameter p : methodOrClass.getFirstParameterList().getParameters()) {
        pt.add(p.getType());
    }
    inner.parameterTypes = pt;
    inner.defaultValueCall = inner.new MemberReferenceDefaultValueCall(methodOrClass);
    JCExpression innerInvocation = gen.expressionGen().makeJavaStaticInvocation(gen, methodOrClass, producedReference, parameterList);
    // Need to worry about boxing for Function and FunctionalParameter 
    if (methodOrClass instanceof TypedDeclaration) {
        innerInvocation = gen.expressionGen().applyErasureAndBoxing(innerInvocation, methodOrClass.getType(), !CodegenUtil.isUnBoxed((TypedDeclaration) methodOrClass), BoxingStrategy.BOXED, methodOrClass.getType());
    } else if (Strategy.isInstantiatorUntyped((Class) methodOrClass)) {
        // $new method declared to return Object, so needs typecast
        innerInvocation = gen.make().TypeCast(gen.makeJavaType(((Class) methodOrClass).getType()), innerInvocation);
    }
    List<JCStatement> innerBody = List.<JCStatement>of(gen.make().Return(innerInvocation));
    inner.useDefaultTransformation(innerBody);
    return inner;
}

Example 94 with JCStatement

use of com.sun.tools.javac.tree.JCTree.JCStatement in project ceylon-compiler by ceylon.

the class CallableBuilder method anonymous.

/**
     * Constructs an {@code AbstractCallable} suitable for an anonymous function.
     */
public static CallableBuilder anonymous(CeylonTransformer gen, Node node, FunctionOrValue model, Tree.Expression expr, java.util.List<Tree.ParameterList> parameterListTree, Type callableTypeModel, boolean delegateDefaultedCalls) {
    boolean prevSyntheticClassBody = gen.expressionGen().withinSyntheticClassBody(true);
    JCExpression transformedExpr = gen.expressionGen().transformExpression(expr, BoxingStrategy.BOXED, gen.getReturnTypeOfCallable(callableTypeModel));
    gen.expressionGen().withinSyntheticClassBody(prevSyntheticClassBody);
    final List<JCStatement> stmts = List.<JCStatement>of(gen.make().Return(transformedExpr));
    return methodArgument(gen, null, model, callableTypeModel, parameterListTree, stmts, delegateDefaultedCalls);
}

Example 95 with JCStatement

use of com.sun.tools.javac.tree.JCTree.JCStatement in project ceylon-compiler by ceylon.

the class AbstractTransformer method makeGetterBlock.

JCBlock makeGetterBlock(TypedDeclaration declarationModel, final Tree.Block block, final Tree.SpecifierOrInitializerExpression expression) {
    List<JCStatement> stats;
    if (block != null) {
        stats = statementGen().transformBlock(block);
    } else {
        BoxingStrategy boxing = CodegenUtil.getBoxingStrategy(declarationModel);
        Type type = declarationModel.getType();
        JCStatement transStat;
        HasErrorException error = errors().getFirstExpressionErrorAndMarkBrokenness(expression.getExpression());
        if (error != null) {
            transStat = this.makeThrowUnresolvedCompilationError(error);
        } else {
            transStat = make().Return(expressionGen().transformExpression(expression.getExpression(), boxing, type));
        }
        stats = List.<JCStatement>of(transStat);
    }
    JCBlock getterBlock = make().Block(0, stats);
    return getterBlock;
}