use of com.redhat.ceylon.model.typechecker.model.Declaration in project ceylon-compiler by ceylon.
the class ExpressionTransformer method transformMemberExpression.
private JCExpression transformMemberExpression(Tree.StaticMemberOrTypeExpression expr, JCExpression primaryExpr, TermTransformer transformer) {
JCExpression result = null;
// do not throw, an error will already have been reported
Declaration decl = expr.getDeclaration();
if (decl == null) {
return makeErroneous(expr, "compiler bug: expression with no declaration");
}
// creating a tmp variable (in which case we have a substitution for it)
while (decl instanceof TypedDeclaration) {
TypedDeclaration typedDecl = (TypedDeclaration) decl;
if (!naming.isSubstituted(decl) && typedDecl.getOriginalDeclaration() != null) {
decl = ((TypedDeclaration) decl).getOriginalDeclaration();
} else {
break;
}
}
// (the header might look like a field while the implementation is a getter)
if (decl.isNativeHeader()) {
Declaration d = ModelUtil.getNativeDeclaration(decl, Backend.Java);
if (d != null) {
decl = d;
}
}
// Explanation: primaryExpr and qualExpr both specify what is to come before the selector
// but the important difference is that primaryExpr is used for those situations where
// the result comes from the actual Ceylon code while qualExpr is used for those situations
// where we need to refer to synthetic objects (like wrapper classes for toplevel methods)
JCExpression qualExpr = null;
String selector = null;
// true for Java interop using fields, and for super constructor parameters, which must use
// parameters rather than getter methods
boolean mustUseField = false;
// true for default parameter methods
boolean mustUseParameter = false;
if (decl instanceof Functional && (!(decl instanceof Class) || ((Class) decl).getParameterList() != null) && (!(decl instanceof Function) || !decl.isParameter() || functionalParameterRequiresCallable((Function) decl, expr)) && isFunctionalResult(expr.getTypeModel())) {
result = transformFunctional(expr, (Functional) decl);
} else if (Decl.isGetter(decl)) {
// invoke the getter
if (decl.isToplevel()) {
primaryExpr = null;
qualExpr = naming.makeName((Value) decl, Naming.NA_FQ | Naming.NA_WRAPPER | Naming.NA_MEMBER);
selector = null;
} else if (Decl.withinClassOrInterface(decl) && !Decl.isLocalToInitializer(decl)) {
selector = naming.selector((Value) decl);
} else {
// method local attr
if (!isRecursiveReference(expr)) {
primaryExpr = naming.makeQualifiedName(primaryExpr, (Value) decl, Naming.NA_Q_LOCAL_INSTANCE);
}
selector = naming.selector((Value) decl);
}
} else if (Decl.isValueOrSharedOrCapturedParam(decl)) {
if (decl.isToplevel()) {
// ERASURE
if (isNullValue(decl)) {
result = makeNull();
} else if (isBooleanTrue(decl)) {
result = makeBoolean(true);
} else if (isBooleanFalse(decl)) {
result = makeBoolean(false);
} else {
// it's a toplevel attribute
primaryExpr = naming.makeName((TypedDeclaration) decl, Naming.NA_FQ | Naming.NA_WRAPPER);
selector = naming.selector((TypedDeclaration) decl);
}
} else if (Decl.isClassAttribute(decl) || Decl.isClassParameter(decl)) {
mustUseField = Decl.isJavaField(decl) || (isWithinSuperInvocation() && primaryExpr == null && withinSuperInvocation == decl.getContainer());
mustUseParameter = (primaryExpr == null && isWithinDefaultParameterExpression(decl.getContainer()));
if (mustUseField || mustUseParameter) {
if (decl instanceof FieldValue) {
selector = ((FieldValue) decl).getRealName();
} else if (isWithinSuperInvocation() && ((Value) decl).isVariable() && ((Value) decl).isCaptured()) {
selector = Naming.getAliasedParameterName(((Value) decl).getInitializerParameter());
} else {
selector = decl.getName();
}
} else {
// invoke the getter, using the Java interop form of Util.getGetterName because this is the only case
// (Value inside a Class) where we might refer to JavaBean properties
selector = naming.selector((TypedDeclaration) decl);
}
} else if (decl.isCaptured() || decl.isShared()) {
TypedDeclaration typedDecl = ((TypedDeclaration) decl);
TypeDeclaration typeDecl = typedDecl.getType().getDeclaration();
mustUseField = Decl.isBoxedVariable((TypedDeclaration) decl);
if (Decl.isLocalNotInitializer(typeDecl) && typeDecl.isAnonymous() && // we need the box if it's a captured object
!typedDecl.isSelfCaptured()) {
// accessing a local 'object' declaration, so don't need a getter
} else if (decl.isCaptured() && !((TypedDeclaration) decl).isVariable() && // captured objects are never variable but need the box
!typedDecl.isSelfCaptured()) {
// accessing a local that is not getter wrapped
} else {
primaryExpr = naming.makeQualifiedName(primaryExpr, (TypedDeclaration) decl, Naming.NA_Q_LOCAL_INSTANCE);
selector = naming.selector((TypedDeclaration) decl);
}
}
} else if (Decl.isMethodOrSharedOrCapturedParam(decl)) {
mustUseParameter = (primaryExpr == null && decl.isParameter() && isWithinDefaultParameterExpression(decl.getContainer()));
if (!decl.isParameter() && (Decl.isLocalNotInitializer(decl) || (Decl.isLocalToInitializer(decl) && ((Function) decl).isDeferred()))) {
primaryExpr = null;
int flags = Naming.NA_MEMBER;
if (!isRecursiveReference(expr)) {
// Only want to quote the method name
// e.g. enum.$enum()
flags |= Naming.NA_WRAPPER_UNQUOTED;
} else if (!isReferenceInSameScope(expr)) {
// always qualify it with this
flags |= Naming.NA_WRAPPER | Naming.NA_WRAPPER_WITH_THIS;
}
qualExpr = naming.makeName((Function) decl, flags);
selector = null;
} else if (decl.isToplevel()) {
primaryExpr = null;
qualExpr = naming.makeName((Function) decl, Naming.NA_FQ | Naming.NA_WRAPPER | Naming.NA_MEMBER);
selector = null;
} else if (!isWithinInvocation()) {
selector = null;
} else {
// not toplevel, not within method, must be a class member
selector = naming.selector((Function) decl);
}
}
boolean isCtor = decl instanceof Function && ((Function) decl).getTypeDeclaration() instanceof Constructor;
if (result == null) {
boolean useGetter = !(decl instanceof Function || isCtor) && !mustUseField && !mustUseParameter;
if (qualExpr == null && selector == null && !(isCtor)) {
useGetter = Decl.isClassAttribute(decl) && CodegenUtil.isErasedAttribute(decl.getName());
if (useGetter) {
selector = naming.selector((TypedDeclaration) decl);
} else {
selector = naming.substitute(decl);
}
}
if (qualExpr == null) {
qualExpr = primaryExpr;
}
// cases
if (!mustUseParameter) {
qualExpr = addQualifierForObjectMembersOfInterface(expr, decl, qualExpr);
qualExpr = addInterfaceImplAccessorIfRequired(qualExpr, expr, decl);
qualExpr = addThisOrObjectQualifierIfRequired(qualExpr, expr, decl);
if (qualExpr == null && needDollarThis(expr)) {
qualExpr = makeQualifiedDollarThis((Tree.BaseMemberExpression) expr);
}
}
if (qualExpr == null && (decl.isStaticallyImportable() || (decl instanceof Value && Decl.isEnumeratedConstructor((Value) decl))) && // and not classes
decl.getContainer() instanceof TypeDeclaration) {
qualExpr = naming.makeTypeDeclarationExpression(null, (TypeDeclaration) decl.getContainer(), DeclNameFlag.QUALIFIED);
}
if (Decl.isPrivateAccessRequiringUpcast(expr)) {
qualExpr = makePrivateAccessUpcast(expr, qualExpr);
}
if (transformer != null) {
if (decl instanceof TypedDeclaration && ((TypedDeclaration) decl).getType().isTypeConstructor()) {
// This is a bit of a hack, but we're "invoking a type constructor"
// so recurse to get the applied expression.
qualExpr = transformMemberExpression(expr, qualExpr, null);
selector = null;
}
result = transformer.transform(qualExpr, selector);
} else {
Tree.Primary qmePrimary = null;
if (expr instanceof Tree.QualifiedMemberOrTypeExpression) {
qmePrimary = ((Tree.QualifiedMemberOrTypeExpression) expr).getPrimary();
}
boolean safeMemberJavaArray = expr instanceof Tree.QualifiedMemberExpression && ((Tree.QualifiedMemberExpression) expr).getMemberOperator() instanceof Tree.SafeMemberOp && isJavaArray(qmePrimary.getTypeModel());
if ((safeMemberJavaArray || Decl.isValueTypeDecl(qmePrimary)) && // Safe operators always work on boxed things, so don't use value types
(safeMemberJavaArray || (expr instanceof Tree.QualifiedMemberOrTypeExpression == false) || ((Tree.QualifiedMemberOrTypeExpression) expr).getMemberOperator() instanceof Tree.MemberOp) && // We never want to use value types on boxed things, unless they are java arrays
(CodegenUtil.isUnBoxed(qmePrimary) || isJavaArray(qmePrimary.getTypeModel())) && // Java arrays length property does not go via value types
(!isJavaArray(qmePrimary.getTypeModel()) || (!"length".equals(selector) && !"hashCode".equals(selector)))) {
JCExpression primTypeExpr = makeJavaType(qmePrimary.getTypeModel(), JT_NO_PRIMITIVES | JT_VALUE_TYPE);
result = makeQualIdent(primTypeExpr, selector);
result = make().Apply(List.<JCTree.JCExpression>nil(), result, List.<JCTree.JCExpression>of(qualExpr));
} else if (expr instanceof Tree.QualifiedMemberOrTypeExpression && isThrowableMessage((Tree.QualifiedMemberOrTypeExpression) expr)) {
result = utilInvocation().throwableMessage(qualExpr);
} else if (expr instanceof Tree.QualifiedMemberOrTypeExpression && isThrowableSuppressed((Tree.QualifiedMemberOrTypeExpression) expr)) {
result = utilInvocation().suppressedExceptions(qualExpr);
} else {
result = makeQualIdent(qualExpr, selector);
if (useGetter) {
result = make().Apply(List.<JCTree.JCExpression>nil(), result, List.<JCTree.JCExpression>nil());
}
}
}
}
if (transformer == null && decl instanceof TypedDeclaration && ((TypedDeclaration) decl).getType().isTypeConstructor() && !expr.getTypeArguments().getTypeModels().isEmpty()) {
// applying a type constructor
ListBuffer<JCExpression> tds = ListBuffer.lb();
for (Type t : expr.getTypeArguments().getTypeModels()) {
tds.add(makeReifiedTypeArgument(t));
}
result = make().Apply(null, makeQualIdent(result, Naming.Unfix.apply.toString()), List.<JCExpression>of(make().NewArray(make().Type(syms().ceylonTypeDescriptorType), List.<JCExpression>nil(), tds.toList())));
}
return result;
}
use of com.redhat.ceylon.model.typechecker.model.Declaration in project ceylon-compiler by ceylon.
the class ExpressionTransformer method transformJavaStaticOrInterfaceMember.
private JCExpression transformJavaStaticOrInterfaceMember(Tree.QualifiedMemberOrTypeExpression qmte, Type staticType) {
Declaration decl = qmte.getDeclaration();
if (decl instanceof FieldValue) {
Value member = (Value) decl;
return naming.makeName(member, Naming.NA_FQ | Naming.NA_WRAPPER_UNQUOTED);
} else if (decl instanceof Value) {
Value member = (Value) decl;
CallBuilder callBuilder = CallBuilder.instance(this);
Type qualifyingType = ((TypeDeclaration) member.getContainer()).getType();
callBuilder.invoke(naming.makeQualifiedName(makeJavaType(qualifyingType, JT_RAW | JT_NO_PRIMITIVES), member, Naming.NA_GETTER | Naming.NA_MEMBER));
return utilInvocation().checkNull(callBuilder.build());
} else if (decl instanceof Function) {
Function method = (Function) decl;
final ParameterList parameterList = method.getFirstParameterList();
Type qualifyingType = qmte.getPrimary().getTypeModel();
Tree.TypeArguments typeArguments = qmte.getTypeArguments();
Reference producedReference = method.appliedReference(qualifyingType, typeArguments.getTypeModels());
return utilInvocation().checkNull(makeJavaStaticInvocation(gen(), method, producedReference, parameterList));
} else if (decl instanceof Class) {
Class class_ = (Class) decl;
if (class_.isStaticallyImportable()) {
return naming.makeTypeDeclarationExpression(null, class_, Naming.DeclNameFlag.QUALIFIED);
} else {
final ParameterList parameterList = class_.getFirstParameterList();
Reference producedReference = qmte.getTarget();
return utilInvocation().checkNull(makeJavaStaticInvocation(gen(), class_, producedReference, parameterList));
}
} else if (decl instanceof Interface) {
return naming.makeTypeDeclarationExpression(null, (Interface) decl, Naming.DeclNameFlag.QUALIFIED);
} else {
return makeErroneous(qmte, "compiler bug: unsupported static");
}
}
use of com.redhat.ceylon.model.typechecker.model.Declaration in project ceylon-compiler by ceylon.
the class ExpressionTransformer method transformSuperInvocation.
//
// Invocations
public void transformSuperInvocation(Tree.ExtendedType extendedType, ClassDefinitionBuilder classBuilder) {
HasErrorException error = errors().getFirstExpressionErrorAndMarkBrokenness(extendedType);
if (error != null) {
classBuilder.getInitBuilder().delegateCall(this.makeThrowUnresolvedCompilationError(error));
return;
}
if (extendedType.getInvocationExpression() != null && extendedType.getInvocationExpression().getPositionalArgumentList() != null) {
Declaration primaryDeclaration = ((Tree.MemberOrTypeExpression) extendedType.getInvocationExpression().getPrimary()).getDeclaration();
java.util.List<ParameterList> paramLists = ((Functional) primaryDeclaration).getParameterLists();
if (paramLists.isEmpty()) {
classBuilder.getInitBuilder().delegateCall(at(extendedType).Exec(makeErroneous(extendedType, "compiler bug: missing parameter list in extends clause: " + primaryDeclaration.getName() + " must be invoked")));
} else {
boolean prevFnCall = withinInvocation(true);
try {
JCStatement superExpr = transformConstructorDelegation(extendedType, new CtorDelegation(null, primaryDeclaration), extendedType.getInvocationExpression(), classBuilder, false);
classBuilder.getInitBuilder().delegateCall(superExpr);
} finally {
withinInvocation(prevFnCall);
}
}
}
}
use of com.redhat.ceylon.model.typechecker.model.Declaration in project ceylon-compiler by ceylon.
the class ExpressionTransformer method transformBaseInstantiation.
private JCExpression transformBaseInstantiation(Invocation invocation, CallBuilder callBuilder, TransformedInvocationPrimary transformedPrimary) {
JCExpression resultExpr;
Tree.BaseTypeExpression type = (Tree.BaseTypeExpression) invocation.getPrimary();
Declaration declaration = type.getDeclaration();
invocation.location(callBuilder);
if (Strategy.generateInstantiator(declaration)) {
resultExpr = callBuilder.typeArguments(List.<JCExpression>nil()).invoke(naming.makeInstantiatorMethodName(transformedPrimary.expr, (Class) declaration)).build();
if (Strategy.isInstantiatorUntyped(declaration)) {
// $new method declared to return Object, so needs typecast
resultExpr = make().TypeCast(makeJavaType(((TypeDeclaration) declaration).getType()), resultExpr);
}
} else {
Type classType = (Type) type.getTarget();
if (isJavaArray(classType)) {
JCExpression typeExpr = makeJavaType(classType, AbstractTransformer.JT_CLASS_NEW | AbstractTransformer.JT_RAW);
callBuilder.javaArrayInstance(typeExpr);
if (isJavaObjectArray(classType)) {
Type elementType = classType.getTypeArgumentList().get(0);
MultidimensionalArray multiArray = getMultiDimensionalArrayInfo(elementType);
if (multiArray != null)
elementType = multiArray.type;
// array of Foo is fine, array of Nothing too
if (elementType.getDeclaration() instanceof ClassOrInterface || elementType.isNothing()) {
if (!elementType.getTypeArgumentList().isEmpty())
callBuilder.javaArrayInstanceNeedsCast(makeJavaType(classType, AbstractTransformer.JT_NO_PRIMITIVES));
} else {
// if it's an array of union, intersection or type param we need a runtime allocation
callBuilder.javaArrayInstanceIsGeneric(makeReifiedTypeArgument(elementType), multiArray != null ? multiArray.dimension + 1 : 1);
}
}
} else {
if (Decl.isConstructor(classType.getDeclaration())) {
classType = classType.getExtendedType();
}
JCExpression typeExpr = makeJavaType(classType, AbstractTransformer.JT_CLASS_NEW);
callBuilder.instantiate(typeExpr);
}
resultExpr = callBuilder.build();
}
return resultExpr;
}
use of com.redhat.ceylon.model.typechecker.model.Declaration in project ceylon-compiler by ceylon.
the class ExpressionTransformer method appendImplicitArguments.
private void appendImplicitArguments(Invocation invocation, TransformedInvocationPrimary transformedPrimary, ListBuffer<ExpressionAndType> result) {
// Implicit arguments
// except for Java array constructors
Declaration primaryDeclaration = invocation.getPrimaryDeclaration();
Tree.Term primary = invocation.getPrimary();
if (primaryDeclaration instanceof Class == false || !isJavaArray(((Class) primaryDeclaration).getType())) {
invocation.addReifiedArguments(result);
}
if (!(primary instanceof Tree.BaseTypeExpression) && !(primary instanceof Tree.QualifiedTypeExpression) && (!(primary instanceof Tree.QualifiedMemberExpression) || !(((Tree.QualifiedMemberExpression) primary).getMemberOperator() instanceof Tree.SpreadOp)) && Invocation.onValueType(this, primary, primaryDeclaration) && transformedPrimary != null) {
result.add(new ExpressionAndType(transformedPrimary.expr, makeJavaType(primary.getTypeModel())));
}
}
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