Examples with TypeDeclaration com.redhat.ceylon.model.typechecker.model.TypeDeclaration used on opensource projects

Example 61 with TypeDeclaration

use of com.redhat.ceylon.model.typechecker.model.TypeDeclaration in project ceylon-compiler by ceylon.

the class ExpressionTransformer method transform.

public JCTree transform(Tree.TypeLiteral expr) {
    at(expr);
    if (!expr.getWantsDeclaration()) {
        if (expr.getDeclaration() instanceof Constructor) {
            JCExpression classLiteral = makeTypeLiteralCall(expr.getType().getTypeModel().getQualifyingType(), false, expr.getTypeModel());
            TypeDeclaration classModelDeclaration = (TypeDeclaration) typeFact().getLanguageModuleModelDeclaration(expr.getType().getTypeModel().getQualifyingType().getDeclaration().isMember() ? "MemberClass" : "Class");
            JCTypeCast typeCast = make().TypeCast(makeJavaType(classModelDeclaration.appliedType(null, List.of(expr.getType().getTypeModel().getQualifyingType(), typeFact().getNothingType()))), classLiteral);
            Type callableType = expr.getTypeModel().getFullType();
            JCExpression reifiedArgumentsExpr = makeReifiedTypeArgument(typeFact().getCallableTuple(callableType));
            return make().Apply(null, naming.makeQualIdent(typeCast, "getConstructor"), List.<JCExpression>of(reifiedArgumentsExpr, make().Literal(expr.getDeclaration().getName())));
        } else {
            return makeTypeLiteralCall(expr.getType().getTypeModel(), true, expr.getTypeModel());
        }
    } else if (expr.getDeclaration() instanceof TypeParameter) {
        // we must get it from its container
        TypeParameter declaration = (TypeParameter) expr.getDeclaration();
        Node node = expr;
        return makeTypeParameterDeclaration(node, declaration);
    } else if (expr.getDeclaration() instanceof Constructor || expr instanceof Tree.NewLiteral) {
        Constructor ctor;
        if (expr.getDeclaration() instanceof Constructor) {
            ctor = (Constructor) expr.getDeclaration();
        } else {
            ctor = Decl.getDefaultConstructor((Class) expr.getDeclaration());
        }
        JCExpression metamodelCall = makeTypeDeclarationLiteral(Decl.getConstructedClass(ctor));
        metamodelCall = make().TypeCast(makeJavaType(typeFact().getClassDeclarationType(), JT_RAW), metamodelCall);
        metamodelCall = make().Apply(null, naming.makeQualIdent(metamodelCall, "getConstructorDeclaration"), List.<JCExpression>of(make().Literal(ctor.getName() == null ? "" : ctor.getName())));
        if (Decl.isEnumeratedConstructor(ctor)) {
            metamodelCall = make().TypeCast(makeJavaType(typeFact().getValueConstructorDeclarationType(), JT_RAW), metamodelCall);
        } else /*else if (Decl.isDefaultConstructor(ctor)){
                metamodelCall = make().TypeCast(
                        makeJavaType(typeFact().getDefaultConstructorDeclarationType(), JT_RAW), metamodelCall);
            } */
        {
            metamodelCall = make().TypeCast(makeJavaType(typeFact().getCallableConstructorDeclarationType(), JT_RAW), metamodelCall);
        }
        return metamodelCall;
    } else if (expr.getDeclaration() instanceof ClassOrInterface || expr.getDeclaration() instanceof TypeAlias) {
        // use the generated class to get to the declaration literal
        JCExpression metamodelCall = makeTypeDeclarationLiteral((TypeDeclaration) expr.getDeclaration());
        Type exprType = expr.getTypeModel().resolveAliases();
        // now cast if required
        if (!exprType.isExactly(((TypeDeclaration) typeFact().getLanguageModuleDeclarationDeclaration("NestableDeclaration")).getType())) {
            JCExpression type = makeJavaType(exprType, JT_NO_PRIMITIVES);
            return make().TypeCast(type, metamodelCall);
        }
        return metamodelCall;
    } else {
        return makeErroneous(expr, "compiler bug: " + expr.getDeclaration() + " is an unsupported declaration type");
    }
}

Example 62 with TypeDeclaration

use of com.redhat.ceylon.model.typechecker.model.TypeDeclaration in project ceylon-compiler by ceylon.

the class ExpressionTransformer method transformAnonymousAnnotation.

public void transformAnonymousAnnotation(Tree.AnonymousAnnotation annotation, Map<Class, ListBuffer<JCAnnotation>> annos) {
    Type docType = ((TypeDeclaration) typeFact().getLanguageModuleDeclaration("DocAnnotation")).getType();
    JCAnnotation docAnnotation = at(annotation).Annotation(makeJavaType(docType, JT_ANNOTATION), List.<JCExpression>of(make().Assign(naming.makeUnquotedIdent("description"), transform(annotation.getStringLiteral()))));
    putAnnotation(annos, docAnnotation, (Class) docType.getDeclaration());
}

Example 63 with TypeDeclaration

use of com.redhat.ceylon.model.typechecker.model.TypeDeclaration in project ceylon-compiler by ceylon.

the class ExpressionTransformer method transformSpreadOperator.

private JCExpression transformSpreadOperator(final Tree.QualifiedMemberOrTypeExpression expr, TermTransformer transformer) {
    at(expr);
    boolean spreadMethodReferenceOuter = !expr.equals(this.spreading) && !isWithinInvocation() && isCeylonCallableSubtype(expr.getTypeModel());
    boolean spreadMethodReferenceInner = expr.equals(this.spreading) && isWithinInvocation();
    Tree.QualifiedMemberOrTypeExpression oldSpreading = spreading;
    if (spreadMethodReferenceOuter) {
        spreading = expr;
    }
    try {
        Naming.SyntheticName varBaseName = naming.alias("spread");
        ListBuffer<JCStatement> letStmts = ListBuffer.<JCStatement>lb();
        final Naming.SyntheticName srcIterableName;
        if (spreadMethodReferenceInner) {
            // use the var we initialized in the outer
            srcIterableName = this.memberPrimary;
        } else {
            srcIterableName = varBaseName.suffixedBy(Suffix.$iterable$);
        }
        if (spreadMethodReferenceOuter) {
            // if we're in the outer, note then name of the var for use in the inner.
            this.memberPrimary = srcIterableName;
        }
        Naming.SyntheticName srcIteratorName = varBaseName.suffixedBy(Suffix.$iterator$);
        Type srcElementType = expr.getTarget().getQualifyingType();
        JCExpression srcIterableTypeExpr = makeJavaType(typeFact().getIterableType(srcElementType), JT_NO_PRIMITIVES);
        JCExpression srcIterableExpr;
        boolean isSuperOrSuperOf = false;
        if (spreadMethodReferenceInner) {
            srcIterableExpr = srcIterableName.makeIdent();
        } else {
            boolean isSuper = isSuper(expr.getPrimary());
            isSuperOrSuperOf = isSuper || isSuperOf(expr.getPrimary());
            if (isSuperOrSuperOf) {
                // so we just refer to it later
                if (isSuper) {
                    Declaration member = expr.getPrimary().getTypeModel().getDeclaration().getMember("iterator", null, false);
                    srcIterableExpr = transformSuper(expr, (TypeDeclaration) member.getContainer());
                } else
                    srcIterableExpr = transformSuperOf(expr, expr.getPrimary(), "iterator");
            } else {
                srcIterableExpr = transformExpression(expr.getPrimary(), BoxingStrategy.BOXED, typeFact().getIterableType(srcElementType));
            }
        }
        // do not capture the iterable for super invocations: see above
        if (!spreadMethodReferenceInner && !isSuperOrSuperOf) {
            JCVariableDecl srcIterable = null;
            srcIterable = makeVar(Flags.FINAL, srcIterableName, srcIterableTypeExpr, srcIterableExpr);
            letStmts.prepend(srcIterable);
        }
        Type resultElementType = expr.getTarget().getType();
        Type resultAbsentType = typeFact().getIteratedAbsentType(expr.getPrimary().getTypeModel());
        // private Iterator<srcElementType> iterator = srcIterableName.iterator();
        JCVariableDecl srcIterator = makeVar(Flags.FINAL, srcIteratorName, makeJavaType(typeFact().getIteratorType(srcElementType)), make().Apply(null, // for super we do not capture it because we can't and it's constant anyways
        naming.makeQualIdent(isSuperOrSuperOf ? srcIterableExpr : srcIterableName.makeIdent(), "iterator"), List.<JCExpression>nil()));
        Naming.SyntheticName iteratorResultName = varBaseName.suffixedBy(Suffix.$element$);
        /* public Object next() {
             *     Object result;
             *     if (!((result = iterator.next()) instanceof Finished)) {
             *         result = transformedMember(result);
             *     }
             *     return result;
             */
        /* Any arguments in the member of the spread would get re-evaluated on each iteration
             * so we need to shift them to the scope of the Let to ensure they're evaluated once. 
             */
        boolean aliasArguments = (transformer instanceof InvocationTermTransformer) && ((InvocationTermTransformer) transformer).invocation.getNode() instanceof Tree.InvocationExpression && ((Tree.InvocationExpression) ((InvocationTermTransformer) transformer).invocation.getNode()).getPositionalArgumentList() != null;
        if (aliasArguments) {
            ((InvocationTermTransformer) transformer).callBuilder.argumentHandling(CallBuilder.CB_ALIAS_ARGS, varBaseName);
        }
        JCNewClass iterableClass;
        boolean prevSyntheticClassBody = expressionGen().withinSyntheticClassBody(true);
        try {
            JCExpression transformedElement = applyErasureAndBoxing(iteratorResultName.makeIdent(), typeFact().getAnythingType(), CodegenUtil.hasTypeErased(expr.getPrimary()), true, BoxingStrategy.BOXED, srcElementType, 0);
            transformedElement = transformMemberExpression(expr, transformedElement, transformer);
            // be handled by the previous recursion
            if (spreadMethodReferenceOuter) {
                return make().LetExpr(letStmts.toList(), transformedElement);
            }
            transformedElement = applyErasureAndBoxing(transformedElement, resultElementType, // not necessarily of the applied member
            expr.getTarget().getDeclaration() instanceof TypedDeclaration ? CodegenUtil.hasTypeErased((TypedDeclaration) expr.getTarget().getDeclaration()) : false, !CodegenUtil.isUnBoxed(expr), BoxingStrategy.BOXED, resultElementType, 0);
            MethodDefinitionBuilder nextMdb = MethodDefinitionBuilder.systemMethod(this, "next");
            nextMdb.isOverride(true);
            nextMdb.annotationFlags(Annotations.IGNORE);
            nextMdb.modifiers(Flags.PUBLIC | Flags.FINAL);
            nextMdb.resultType(null, make().Type(syms().objectType));
            nextMdb.body(List.of(makeVar(iteratorResultName, make().Type(syms().objectType), null), make().If(make().Unary(JCTree.NOT, make().TypeTest(make().Assign(iteratorResultName.makeIdent(), make().Apply(null, naming.makeQualIdent(srcIteratorName.makeIdent(), "next"), List.<JCExpression>nil())), make().Type(syms().ceylonFinishedType))), make().Block(0, List.<JCStatement>of(make().Exec(make().Assign(iteratorResultName.makeIdent(), transformedElement)))), null), make().Return(iteratorResultName.makeIdent())));
            JCMethodDecl nextMethod = nextMdb.build();
            // new AbstractIterator()
            JCNewClass iteratorClass = make().NewClass(null, null, make().TypeApply(make().QualIdent(syms().ceylonAbstractIteratorType.tsym), List.of(makeJavaType(resultElementType, JT_TYPE_ARGUMENT))), List.of(makeReifiedTypeArgument(resultElementType)), make().AnonymousClassDef(make().Modifiers(0), List.of(srcIterator, nextMethod)));
            MethodDefinitionBuilder iteratorMdb = MethodDefinitionBuilder.systemMethod(this, "iterator");
            iteratorMdb.isOverride(true);
            iteratorMdb.annotationFlags(Annotations.IGNORE);
            iteratorMdb.modifiers(Flags.PUBLIC | Flags.FINAL);
            iteratorMdb.resultType(null, makeJavaType(typeFact().getIteratorType(resultElementType)));
            iteratorMdb.body(make().Return(iteratorClass));
            // new AbstractIterable()
            iterableClass = make().NewClass(null, null, make().TypeApply(make().QualIdent(syms().ceylonAbstractIterableType.tsym), List.of(makeJavaType(resultElementType, JT_TYPE_ARGUMENT), makeJavaType(resultAbsentType, JT_TYPE_ARGUMENT))), List.of(makeReifiedTypeArgument(resultElementType), makeReifiedTypeArgument(resultAbsentType)), make().AnonymousClassDef(make().Modifiers(0), List.<JCTree>of(iteratorMdb.build())));
        } finally {
            expressionGen().withinSyntheticClassBody(prevSyntheticClassBody);
        }
        if (aliasArguments) {
            letStmts = letStmts.appendList(((InvocationTermTransformer) transformer).callBuilder.getStatements());
        }
        JCMethodInvocation result = make().Apply(null, naming.makeQualIdent(iterableClass, "sequence"), List.<JCExpression>nil());
        JCExpression spread = letStmts.isEmpty() ? result : make().LetExpr(letStmts.toList(), result);
        // Do we *statically* know the result must be a Sequence 
        final boolean primaryIsSequence = typeFact().isNonemptyIterableType(expr.getPrimary().getTypeModel());
        Type returnElementType = expr.getTarget().getType();
        if (primaryIsSequence) {
            int flags = EXPR_DOWN_CAST;
            spread = applyErasureAndBoxing(spread, typeFact().getSequentialType(returnElementType), false, true, BoxingStrategy.BOXED, primaryIsSequence ? typeFact().getSequenceType(returnElementType) : typeFact().getSequentialType(returnElementType), flags);
        }
        return spread;
    } finally {
        spreading = oldSpreading;
    }
}

Example 64 with TypeDeclaration

use of com.redhat.ceylon.model.typechecker.model.TypeDeclaration in project ceylon-compiler by ceylon.

the class ExpressionTransformer method makeTypeParameterDeclaration.

/**
     * Makes an expression equivalent to the result of {@code `given T`} 
     * @param node
     * @param declaration
     * @return
     */
JCExpression makeTypeParameterDeclaration(Node node, TypeParameter declaration) {
    Scope container = declaration.getContainer();
    if (container instanceof Declaration) {
        JCExpression containerExpr;
        Declaration containerDeclaration = (Declaration) container;
        if (containerDeclaration instanceof ClassOrInterface || containerDeclaration instanceof TypeAlias) {
            JCExpression metamodelCall = makeTypeDeclarationLiteral((TypeDeclaration) containerDeclaration);
            JCExpression metamodelCast = makeJavaType(typeFact().getLanguageModuleDeclarationTypeDeclaration("GenericDeclaration").getType(), JT_NO_PRIMITIVES);
            containerExpr = make().TypeCast(metamodelCast, metamodelCall);
        } else if (containerDeclaration.isToplevel()) {
            containerExpr = makeTopLevelValueOrFunctionDeclarationLiteral(containerDeclaration);
        } else {
            containerExpr = makeMemberValueOrFunctionDeclarationLiteral(node, containerDeclaration);
        }
        // now it must be a ClassOrInterfaceDeclaration or a FunctionDeclaration, both of which have the method we need
        return at(node).Apply(null, makeSelect(containerExpr, "getTypeParameterDeclaration"), List.of(ceylonLiteral(declaration.getName())));
    } else {
        return makeErroneous(node, "compiler bug: " + container + " is not a supported type parameter container");
    }
}

Example 65 with TypeDeclaration

use of com.redhat.ceylon.model.typechecker.model.TypeDeclaration in project ceylon-compiler by ceylon.

the class ClassTransformer method addMissingUnrefinedMembers.

/** 
     * Recover from members not being refined in the class hierarchy 
     * by generating a stub method that throws.
     */
private void addMissingUnrefinedMembers(Node def, Class classModel, ClassDefinitionBuilder classBuilder) {
    for (Reference unrefined : classModel.getUnimplementedFormals()) {
        //classModel.getMember(memberName, null, false);
        Declaration formalMember = unrefined.getDeclaration();
        String errorMessage = "formal member '" + formalMember.getName() + "' of '" + ((TypeDeclaration) formalMember.getContainer()).getName() + "' not implemented in class hierarchy";
        java.util.List<Type> params = new java.util.ArrayList<Type>();
        if (formalMember instanceof Generic) {
            for (TypeParameter tp : ((Generic) formalMember).getTypeParameters()) {
                params.add(tp.getType());
            }
        }
        if (formalMember instanceof Value) {
            addRefinedThrowerAttribute(classBuilder, errorMessage, classModel, (Value) formalMember);
        } else if (formalMember instanceof Function) {
            addRefinedThrowerMethod(classBuilder, errorMessage, classModel, (Function) formalMember);
        } else if (formalMember instanceof Class && formalMember.isClassMember()) {
            addRefinedThrowerInstantiatorMethod(classBuilder, errorMessage, classModel, (Class) formalMember, unrefined);
        }
    // formal member class of interface handled in
    // makeDelegateToCompanion()
    }
}