Examples with JTypeVar com.sun.codemodel.JTypeVar used on opensource projects

Example 1 with JTypeVar

use of com.sun.codemodel.JTypeVar in project groovy-cps by cloudbees.

the class Translator method translateMethod.

/**
 * @param e
 *      Method in {@code fqcn} to translate.
 */
private void translateMethod(final CompilationUnitTree cut, ExecutableElement e, JDefinedClass $output, String fqcn, String overloadResolved) {
    String methodName = n(e);
    boolean isPublic = e.getModifiers().contains(Modifier.PUBLIC);
    JMethod delegating = $output.method(isPublic ? JMod.PUBLIC | JMod.STATIC : JMod.STATIC, (JType) null, methodName);
    JMethod m = $output.method(JMod.PRIVATE | JMod.STATIC, (JType) null, overloadResolved);
    Map<String, JTypeVar> typeVars = new HashMap<>();
    e.getTypeParameters().forEach(p -> {
        String name = n(p);
        JTypeVar typeVar = delegating.generify(name);
        JTypeVar typeVar2 = m.generify(name);
        p.getBounds().forEach(b -> {
            JClass binding = (JClass) t(b, typeVars);
            typeVar.bound(binding);
            typeVar2.bound(binding);
        });
        typeVars.put(name, typeVar);
    });
    JType type = t(e.getReturnType(), typeVars);
    delegating.type(type);
    m.type(type);
    List<JVar> delegatingParams = new ArrayList<>();
    List<JVar> params = new ArrayList<>();
    e.getParameters().forEach(p -> {
        JType paramType = t(p.asType(), typeVars);
        delegatingParams.add(e.isVarArgs() && p == e.getParameters().get(e.getParameters().size() - 1) ? delegating.varParam(paramType.elementType(), n(p)) : delegating.param(paramType, n(p)));
        params.add(m.param(paramType, n(p)));
    });
    e.getThrownTypes().forEach(ex -> {
        delegating._throws((JClass) t(ex));
        m._throws((JClass) t(ex));
    });
    boolean returnsVoid = e.getReturnType().getKind() == TypeKind.VOID;
    if (isPublic) {
        // preamble
        /*
                If the call to this method happen outside CPS code, execute normally via DefaultGroovyMethods
             */
        delegating.body()._if(JOp.cand(JOp.not($Caller.staticInvoke("isAsynchronous").tap(inv -> {
            inv.arg(delegatingParams.get(0));
            inv.arg(methodName);
            for (int i = 1; i < delegatingParams.size(); i++) inv.arg(delegatingParams.get(i));
        })), JOp.not($Caller.staticInvoke("isAsynchronous").arg($output.dotclass()).arg(methodName).args(params))))._then().tap(blk -> {
            JClass $WhateverGroovyMethods = codeModel.ref(fqcn);
            JInvocation forward = $WhateverGroovyMethods.staticInvoke(methodName).args(delegatingParams);
            if (returnsVoid) {
                blk.add(forward);
                blk._return();
            } else {
                blk._return(forward);
            }
        });
    }
    JInvocation delegateCall = $output.staticInvoke(overloadResolved);
    if (returnsVoid) {
        delegating.body().add(delegateCall);
    } else {
        delegating.body()._return(delegateCall);
    }
    delegatingParams.forEach(p -> delegateCall.arg(p));
    JVar $b = m.body().decl($Builder, "b", JExpr._new($Builder).arg(JExpr.invoke("loc").arg(methodName)).invoke("contextualize").arg(codeModel.ref("com.cloudbees.groovy.cps.sandbox.Trusted").staticRef("INSTANCE")));
    JInvocation f = JExpr._new($CpsFunction);
    // parameter names
    f.arg(codeModel.ref(Arrays.class).staticInvoke("asList").tap(inv -> {
        e.getParameters().forEach(p -> inv.arg(n(p)));
    }));
    // translate the method body into an expression that invokes Builder
    f.arg(trees.getTree(e).getBody().accept(new SimpleTreeVisitor<JExpression, Void>() {

        private JExpression visit(Tree t) {
            if (t == null)
                return JExpr._null();
            return visit(t, null);
        }

        /**
         * Maps a symbol to its source location.
         */
        private JExpression loc(Tree t) {
            long pos = trees.getSourcePositions().getStartPosition(cut, t);
            return JExpr.lit((int) cut.getLineMap().getLineNumber(pos));
        }

        @Override
        public JExpression visitWhileLoop(WhileLoopTree wt, Void __) {
            return $b.invoke("while_").arg(// TODO: label
            JExpr._null()).arg(visit(wt.getCondition())).arg(visit(wt.getStatement()));
        }

        @Override
        public JExpression visitMethodInvocation(MethodInvocationTree mt, Void __) {
            ExpressionTree ms = mt.getMethodSelect();
            JInvocation inv;
            if (ms instanceof MemberSelectTree) {
                MemberSelectTree mst = (MemberSelectTree) ms;
                // of the other known translated classes.
                if (mst.getExpression() instanceof JCIdent && !((JCIdent) mst.getExpression()).sym.toString().equals(fqcn) && otherTranslated.containsKey(((JCIdent) mst.getExpression()).sym.toString())) {
                    inv = $b.invoke("functionCall").arg(loc(mt)).arg($b.invoke("constant").arg(otherTranslated.get(((JCIdent) mst.getExpression()).sym.toString()).dotclass())).arg(n(mst.getIdentifier()));
                } else {
                    inv = $b.invoke("functionCall").arg(loc(mt)).arg(visit(mst.getExpression())).arg(n(mst.getIdentifier()));
                }
            } else if (ms instanceof JCIdent) {
                // invocation without object selection, like  foo(bar,zot)
                JCIdent it = (JCIdent) ms;
                if (!it.sym.owner.toString().equals(fqcn)) {
                    if (otherTranslated.containsKey(it.sym.owner.toString())) {
                        // static import from transformed class
                        inv = $b.invoke("functionCall").arg(loc(mt)).arg($b.invoke("constant").arg(otherTranslated.get(it.sym.owner.toString()).dotclass())).arg(n(it));
                    } else {
                        // static import from non-transformed class
                        inv = $b.invoke("functionCall").arg(loc(mt)).arg($b.invoke("constant").arg(t(it.sym.owner.type).dotclass())).arg(n(it));
                    }
                } else {
                    // invocation on this class
                    String overloadResolved = mangledName((Symbol.MethodSymbol) it.sym);
                    Optional<? extends Element> callSite = elements.getTypeElement(fqcn).getEnclosedElements().stream().filter(e -> e.getKind() == ElementKind.METHOD && mangledName((ExecutableElement) e).equals(overloadResolved)).findAny();
                    if (callSite.isPresent()) {
                        ExecutableElement e = (ExecutableElement) callSite.get();
                        if (e.getModifiers().contains(Modifier.PUBLIC) && !e.isVarArgs() && !e.getParameters().stream().anyMatch(p -> types.isAssignable(p.asType(), closureType))) {
                            // Delegate to the standard version.
                            inv = $b.invoke("staticCall").arg(loc(mt)).arg(t(it.sym.owner.type).dotclass()).arg(n(e));
                        } else if (overloadsResolved.containsKey(overloadResolved)) {
                            // Private, so delegate to our mangled version.
                            // TODO add a String parameter to each internal helper method for the expected methodName to pass to CpsCallableInvocation.<init>
                            // (It could be improved to take a parameter for the name under which we expect methodCall to be invoking it.
                            // Usually just `each`, but might be `$each__java_util_Iterable__groovy_lang_Closure` for the case that one DGM method is delegating to another.
                            // See comment in ContinuationGroup, where we are unable to enforce continuation name mismatches in this case.)
                            inv = $b.invoke("staticCall").arg(loc(mt)).arg($output.dotclass()).arg(overloadResolved);
                        } else {
                            throw new IllegalStateException("Not yet translating a " + e.getModifiers() + " method; translatable.txt might need to include: " + fqcn + "." + e);
                        }
                    } else {
                        throw new IllegalStateException("Could not find self-call site " + overloadResolved + " for " + mt);
                    }
                }
            } else {
                // TODO: figure out what can come here
                throw new UnsupportedOperationException(ms.toString());
            }
            mt.getArguments().forEach(a -> inv.arg(visit(a)));
            return inv;
        }

        @Override
        public JExpression visitVariable(VariableTree vt, Void __) {
            return $b.invoke("declareVariable").arg(loc(vt)).arg(cpsTypeTranslation(erasure(vt))).arg(n(vt)).arg(visit(vt.getInitializer()));
        }

        @Override
        public JExpression visitIdentifier(IdentifierTree it, Void __) {
            JCIdent idt = (JCIdent) it;
            return idt.sym.accept(new DefaultSymbolVisitor<JExpression, Void>() {

                @Override
                public JExpression visitClassSymbol(ClassSymbol cs, Void __) {
                    return $b.invoke("constant").arg(t(cs.asType()).dotclass());
                }

                @Override
                public JExpression visitVarSymbol(VarSymbol s, Void __) {
                    return $b.invoke("localVariable").arg(n(s.name));
                }

                @Override
                public JExpression visitSymbol(Symbol s, Void __) {
                    throw new UnsupportedOperationException(s.toString());
                }
            }, __);
        }

        @Override
        public JExpression visitBlock(BlockTree bt, Void __) {
            JInvocation inv = $b.invoke("block");
            bt.getStatements().forEach(s -> inv.arg(visit(s)));
            return inv;
        }

        @Override
        public JExpression visitReturn(ReturnTree rt, Void __) {
            return $b.invoke("return_").arg(visit(rt.getExpression()));
        }

        /**
         * When used outside {@link MethodInvocationTree}, this is property access.
         */
        @Override
        public JExpression visitMemberSelect(MemberSelectTree mt, Void __) {
            return $b.invoke("property").arg(loc(mt)).arg(visit(mt.getExpression())).arg(n(mt.getIdentifier()));
        }

        @Override
        public JExpression visitTypeCast(TypeCastTree tt, Void __) {
            return $b.invoke("cast").arg(loc(tt)).arg(visit(tt.getExpression())).arg(erasure(tt.getType()).dotclass()).arg(JExpr.lit(false));
        }

        @Override
        public JExpression visitIf(IfTree it, Void __) {
            JInvocation inv = $b.invoke("if_").arg(visit(it.getCondition())).arg(visit(it.getThenStatement()));
            if (it.getElseStatement() != null)
                inv.arg(visit(it.getElseStatement()));
            return inv;
        }

        @Override
        public JExpression visitNewClass(NewClassTree nt, Void __) {
            // TODO: outer class
            if (nt.getEnclosingExpression() != null)
                throw new UnsupportedOperationException();
            return $b.invoke("new_").tap(inv -> {
                inv.arg(loc(nt));
                inv.arg(cpsTypeTranslation(t(((JCTree) nt).type)));
                nt.getArguments().forEach(et -> inv.arg(visit(et)));
            });
        }

        @Override
        public JExpression visitExpressionStatement(ExpressionStatementTree et, Void __) {
            return visit(et.getExpression());
        }

        @Override
        public JExpression visitLiteral(LiteralTree lt, Void __) {
            return $b.invoke("constant").arg(JExpr.literal(lt.getValue()));
        }

        @Override
        public JExpression visitParenthesized(ParenthesizedTree pt, Void __) {
            return visit(pt.getExpression());
        }

        @Override
        public JExpression visitBinary(BinaryTree bt, Void __) {
            return $b.invoke(opName(bt.getKind())).arg(loc(bt)).arg(visit(bt.getLeftOperand())).arg(visit(bt.getRightOperand()));
        }

        @Override
        public JExpression visitUnary(UnaryTree ut, Void __) {
            return $b.invoke(opName(ut.getKind())).arg(loc(ut)).arg(visit(ut.getExpression()));
        }

        @Override
        public JExpression visitCompoundAssignment(CompoundAssignmentTree ct, Void __) {
            return $b.invoke(opName(ct.getKind())).arg(loc(ct)).arg(visit(ct.getVariable())).arg(visit(ct.getExpression()));
        }

        private String opName(Kind kind) {
            switch(kind) {
                case EQUAL_TO:
                    return "compareEqual";
                case NOT_EQUAL_TO:
                    return "compareNotEqual";
                case LESS_THAN_EQUAL:
                    return "lessThanEqual";
                case LESS_THAN:
                    return "lessThan";
                case GREATER_THAN_EQUAL:
                    return "greaterThanEqual";
                case GREATER_THAN:
                    return "greaterThan";
                case PREFIX_INCREMENT:
                    return "prefixInc";
                case POSTFIX_INCREMENT:
                    return "postfixInc";
                case POSTFIX_DECREMENT:
                    return "postfixDec";
                case LOGICAL_COMPLEMENT:
                    return "not";
                case CONDITIONAL_OR:
                    return "logicalOr";
                case CONDITIONAL_AND:
                    return "logicalAnd";
                case PLUS:
                    return "plus";
                case PLUS_ASSIGNMENT:
                    return "plusEqual";
                case MINUS:
                    return "minus";
                case MINUS_ASSIGNMENT:
                    return "minusEqual";
            }
            throw new UnsupportedOperationException(kind.toString());
        }

        @Override
        public JExpression visitAssignment(AssignmentTree at, Void __) {
            return $b.invoke("assign").arg(loc(at)).arg(visit(at.getVariable())).arg(visit(at.getExpression()));
        }

        /**
         * This is needed to handle cases like {@code Object[].class}.
         */
        @Override
        public JExpression visitArrayType(ArrayTypeTree at, Void __) {
            if (at.getType() instanceof IdentifierTree) {
                return visitIdentifier((IdentifierTree) at.getType(), __);
            } else {
                return defaultAction(at, __);
            }
        }

        @Override
        public JExpression visitNewArray(NewArrayTree nt, Void __) {
            if (nt.getInitializers() != null) {
                return $b.invoke("newArrayFromInitializers").tap(inv -> {
                    nt.getInitializers().forEach(d -> inv.arg(visit(d)));
                });
            } else {
                return $b.invoke("newArray").tap(inv -> {
                    inv.arg(loc(nt));
                    inv.arg(t(nt.getType()).dotclass());
                    nt.getDimensions().forEach(d -> inv.arg(visit(d)));
                });
            }
        }

        @Override
        public JExpression visitForLoop(ForLoopTree ft, Void __) {
            return $b.invoke("forLoop").arg(JExpr._null()).arg($b.invoke("sequence").tap(inv -> ft.getInitializer().forEach(i -> inv.arg(visit(i))))).arg(visit(ft.getCondition())).arg($b.invoke("sequence").tap(inv -> ft.getUpdate().forEach(i -> inv.arg(visit(i))))).arg(visit(ft.getStatement()));
        }

        @Override
        public JExpression visitEnhancedForLoop(EnhancedForLoopTree et, Void __) {
            return $b.invoke("forInLoop").arg(loc(et)).arg(JExpr._null()).arg(erasure(et.getVariable()).dotclass()).arg(n(et.getVariable())).arg(visit(et.getExpression())).arg(visit(et.getStatement()));
        }

        @Override
        public JExpression visitArrayAccess(ArrayAccessTree at, Void __) {
            return $b.invoke("array").arg(loc(at)).arg(visit(at.getExpression())).arg(visit(at.getIndex()));
        }

        @Override
        public JExpression visitBreak(BreakTree node, Void __) {
            if (node.getLabel() != null)
                throw new UnsupportedOperationException();
            return $b.invoke("break_").arg(JExpr._null());
        }

        @Override
        public JExpression visitContinue(ContinueTree node, Void aVoid) {
            if (node.getLabel() != null)
                throw new UnsupportedOperationException();
            return $b.invoke("continue_").arg(JExpr._null());
        }

        @Override
        public JExpression visitInstanceOf(InstanceOfTree it, Void __) {
            return $b.invoke("instanceOf").arg(loc(it)).arg(visit(it.getExpression())).arg($b.invoke("constant").arg(t(it.getType()).dotclass()));
        }

        @Override
        public JExpression visitThrow(ThrowTree tt, Void __) {
            return $b.invoke("throw_").arg(loc(tt)).arg(visit(tt.getExpression()));
        }

        @Override
        public JExpression visitDoWhileLoop(DoWhileLoopTree dt, Void __) {
            return $b.invoke("doWhile").arg(JExpr._null()).arg(visit(dt.getStatement())).arg(visit(dt.getCondition()));
        }

        @Override
        public JExpression visitConditionalExpression(ConditionalExpressionTree ct, Void __) {
            return $b.invoke("ternaryOp").arg(visit(ct.getCondition())).arg(visit(ct.getTrueExpression())).arg(visit(ct.getFalseExpression()));
        }

        @Override
        public JExpression visitTry(TryTree tt, Void __) {
            return $b.invoke("tryCatch").arg(visit(tt.getBlock())).arg(visit(tt.getFinallyBlock())).tap(inv -> tt.getCatches().forEach(ct -> JExpr._new($CatchExpression).arg(t(ct.getParameter()).dotclass()).arg(n(ct.getParameter())).arg(visit(ct.getBlock()))));
        }

        @Override
        protected JExpression defaultAction(Tree node, Void aVoid) {
            throw new UnsupportedOperationException(node.toString());
        }
    }, null));
    JVar $f = m.body().decl($CpsFunction, "f", f);
    m.body()._throw(JExpr._new($CpsCallableInvocation).arg(JExpr.lit(methodName)).arg($f).arg(JExpr._null()).args(params));
}

Example 2 with JTypeVar

use of com.sun.codemodel.JTypeVar in project jsonschema2pojo by joelittlejohn.

the class DynamicPropertiesRule method addPublicGetMethod.

private JMethod addPublicGetMethod(JDefinedClass jclass, JMethod internalGetMethod, JFieldRef notFoundValue) {
    JMethod method = jclass.method(PUBLIC, jclass.owner()._ref(Object.class), GETTER_NAME);
    JTypeVar returnType = method.generify("T");
    method.type(returnType);
    Models.suppressWarnings(method, "unchecked");
    JVar nameParam = method.param(String.class, "name");
    JBlock body = method.body();
    JVar valueVar = body.decl(jclass.owner()._ref(Object.class), "value", invoke(internalGetMethod).arg(nameParam).arg(notFoundValue));
    JConditional found = method.body()._if(notFoundValue.ne(valueVar));
    found._then()._return(cast(returnType, valueVar));
    JBlock notFound = found._else();
    JMethod getAdditionalProperties = jclass.getMethod("getAdditionalProperties", new JType[] {});
    if (getAdditionalProperties != null) {
        notFound._return(cast(returnType, invoke(getAdditionalProperties).invoke("get").arg(nameParam)));
    } else {
        notFound._throw(illegalArgumentInvocation(jclass, nameParam));
    }
    return method;
}

Example 3 with JTypeVar

use of com.sun.codemodel.JTypeVar in project jsonschema2pojo by joelittlejohn.

the class SerializableHelper method processDefinedClassForSerializableSupport.

private static void processDefinedClassForSerializableSupport(JDefinedClass jclass, DataOutputStream dataOutputStream) throws IOException {
    dataOutputStream.writeUTF(jclass.fullName());
    dataOutputStream.writeInt(jclass.mods().getValue());
    for (JTypeVar typeParam : jclass.typeParams()) {
        dataOutputStream.writeUTF(typeParam.fullName());
    }
    // sorted
    TreeMap<String, JDefinedClass> sortedClasses = new TreeMap<>();
    Iterator<JDefinedClass> classes = jclass.classes();
    while (classes.hasNext()) {
        JDefinedClass nestedClass = classes.next();
        sortedClasses.put(nestedClass.fullName(), nestedClass);
    }
    for (JDefinedClass nestedClass : sortedClasses.values()) {
        processDefinedClassForSerializableSupport(nestedClass, dataOutputStream);
    }
    // sorted
    TreeSet<String> fieldNames = new TreeSet<>(jclass.fields().keySet());
    for (String fieldName : fieldNames) {
        JFieldVar fieldVar = jclass.fields().get(fieldName);
        // non private members
        if ((fieldVar.mods().getValue() & JMod.PRIVATE) != JMod.PRIVATE) {
            processFieldVarForSerializableSupport(jclass.fields().get(fieldName), dataOutputStream);
        }
    }
    Iterator<JClass> interfaces = jclass._implements();
    List<JClass> interfacesList = new ArrayList<>();
    while (interfaces.hasNext()) {
        JClass aInterface = interfaces.next();
        interfacesList.add(aInterface);
    }
    Collections.sort(interfacesList, INTERFACE_COMPARATOR);
    for (JClass aInterface : interfacesList) {
        dataOutputStream.writeUTF(aInterface.fullName());
    }
    // we should probably serialize the parent class too! (but what if it has serialversionUID on it? that would be a field and would affect the serialversionUID!)
    if (jclass._extends() != null) {
        dataOutputStream.writeUTF(jclass._extends().fullName());
    }
    processMethodCollectionForSerializableSupport(jclass.methods().iterator(), dataOutputStream);
    processMethodCollectionForSerializableSupport(jclass.constructors(), dataOutputStream);
}

Example 4 with JTypeVar

use of com.sun.codemodel.JTypeVar in project jsonschema2pojo by joelittlejohn.

the class BuilderRule method apply.

@Override
public JDefinedClass apply(String nodeName, JsonNode node, JsonNode parent, JDefinedClass instanceClass, Schema currentSchema) {
    // Create the inner class for the builder
    JDefinedClass concreteBuilderClass;
    JDefinedClass builderClass;
    try {
        String concreteBuilderClassName = ruleFactory.getNameHelper().getBuilderClassName(instanceClass);
        String builderClassName = ruleFactory.getNameHelper().getBaseBuilderClassName(instanceClass);
        builderClass = instanceClass._class(JMod.ABSTRACT + JMod.PUBLIC + JMod.STATIC, builderClassName);
        concreteBuilderClass = instanceClass._class(JMod.PUBLIC + JMod.STATIC, concreteBuilderClassName);
        concreteBuilderClass._extends(builderClass.narrow(instanceClass));
    } catch (JClassAlreadyExistsException e) {
        return e.getExistingClass();
    }
    // Determine which base builder (if any) this builder should inherit from
    JClass parentBuilderClass = null;
    JClass parentClass = instanceClass._extends();
    if (!(parentClass.isPrimitive() || reflectionHelper.isFinal(parentClass) || Objects.equals(parentClass.fullName(), "java.lang.Object"))) {
        parentBuilderClass = reflectionHelper.getBaseBuilderClass(parentClass);
    }
    // Determine the generic type name and that the builder will create instances of
    String builderTypeParameterName = ruleFactory.getNameHelper().getBuilderTypeParameterName(instanceClass);
    JTypeVar instanceType = builderClass.generify(builderTypeParameterName, instanceClass);
    // for inheriting builders we'll receive these from the superType
    if (parentBuilderClass == null) {
        // Create the instance variable
        JFieldVar instanceField = builderClass.field(JMod.PROTECTED, instanceType, "instance");
        // Create the actual "build" method
        JMethod buildMethod = builderClass.method(JMod.PUBLIC, instanceType, "build");
        JBlock body = buildMethod.body();
        JVar result = body.decl(instanceType, "result");
        body.assign(result, JExpr._this().ref(instanceField));
        body.assign(JExpr._this().ref(instanceField), JExpr._null());
        body._return(result);
        // Create the noargs builder constructors
        generateNoArgsBuilderConstructors(instanceClass, builderClass, concreteBuilderClass);
    } else {
        // Declare the inheritance
        builderClass._extends(parentBuilderClass.narrow(parentBuilderClass.owner().ref(builderTypeParameterName)));
        JMethod buildMethod = builderClass.method(JMod.PUBLIC, instanceType, "build");
        buildMethod.annotate(Override.class);
        JBlock body = buildMethod.body();
        body._return(JExpr._super().invoke("build"));
        // Create the noargs builder constructors
        generateNoArgsBuilderConstructors(instanceClass, builderClass, concreteBuilderClass);
    }
    return builderClass;
}