| /******************************************************************************* |
| * Copyright (c) 2000, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Matt McCutchen - partial fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=122995 |
| * Karen Moore - fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=207411 |
| * Fraunhofer FIRST - extended API and implementation |
| * Technical University Berlin - extended API and implementation |
| * Stephan Herrmann <stephan@cs.tu-berlin.de> - Contributions for |
| * bug 185682 - Increment/decrement operators mark local variables as read |
| * bug 186342 - [compiler][null] Using annotations for null checking |
| * bug 365519 - editorial cleanup after bug 186342 and bug 365387 |
| * bug 374605 - Unreasonable warning for enum-based switch statements |
| * bug 384870 - [compiler] @Deprecated annotation not detected if preceded by other annotation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.ast; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.env.AccessRestriction; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| import org.eclipse.jdt.internal.compiler.ASTVisitor; |
| import org.eclipse.objectteams.otdt.internal.core.compiler.lookup.CallinCalloutBinding; |
| |
| /** |
| * OTDT changes: |
| * |
| * What: pretty printing of OT-specific modifiers. |
| * |
| * What: resolve annotations of method bindings. |
| * |
| * @version $Id: ASTNode.java 23405 2010-02-03 17:02:18Z stephan $ |
| */ |
| public abstract class ASTNode implements TypeConstants, TypeIds { |
| |
| public int sourceStart, sourceEnd; |
| |
| // storage for internal flags (32 bits) BIT USAGE |
| public final static int Bit1 = 0x1; // return type (operator) | name reference kind (name ref) | add assertion (type decl) | useful empty statement (empty statement) |
| public final static int Bit2 = 0x2; // return type (operator) | name reference kind (name ref) | has local type (type, method, field decl) |
| public final static int Bit3 = 0x4; // return type (operator) | name reference kind (name ref) | implicit this (this ref) |
| public final static int Bit4 = 0x8; // return type (operator) | first assignment to local (name ref,local decl) | undocumented empty block (block, type and method decl) |
| public final static int Bit5 = 0x10; // value for return (expression) | has all method bodies (unit) | supertype ref (type ref) | resolved (field decl) |
| public final static int Bit6 = 0x20; // depth (name ref, msg) | ignore need cast check (cast expression) | error in signature (method declaration/ initializer) | is recovered (annotation reference) |
| public final static int Bit7 = 0x40; // depth (name ref, msg) | operator (operator) | need runtime checkcast (cast expression) | label used (labelStatement) | needFreeReturn (AbstractMethodDeclaration) |
| public final static int Bit8 = 0x80; // depth (name ref, msg) | operator (operator) | unsafe cast (cast expression) | is default constructor (constructor declaration) | isElseStatementUnreachable (if statement) |
| public final static int Bit9 = 0x100; // depth (name ref, msg) | operator (operator) | is local type (type decl) | isThenStatementUnreachable (if statement) | can be static |
| public final static int Bit10= 0x200; // depth (name ref, msg) | operator (operator) | is anonymous type (type decl) |
| public final static int Bit11 = 0x400; // depth (name ref, msg) | operator (operator) | is member type (type decl) |
| public final static int Bit12 = 0x800; // depth (name ref, msg) | operator (operator) | has abstract methods (type decl) |
| public final static int Bit13 = 0x1000; // depth (name ref, msg) | is secondary type (type decl) |
| public final static int Bit14 = 0x2000; // strictly assigned (reference lhs) | discard enclosing instance (explicit constr call) | hasBeenGenerated (type decl) |
| public final static int Bit15 = 0x4000; // is unnecessary cast (expression) | is varargs (type ref) | isSubRoutineEscaping (try statement) | superAccess (javadoc allocation expression/javadoc message send/javadoc return statement) |
| public final static int Bit16 = 0x8000; // in javadoc comment (name ref, type ref, msg) |
| public final static int Bit17 = 0x10000; // compound assigned (reference lhs) | unchecked (msg, alloc, explicit constr call) |
| public final static int Bit18 = 0x20000; // non null (expression) | onDemand (import reference) |
| public final static int Bit19 = 0x40000; // didResolve (parameterized qualified type ref/parameterized single type ref) | empty (javadoc return statement) | needReceiverGenericCast (msg/fieldref) |
| public final static int Bit20 = 0x80000; // contains syntax errors (method declaration, type declaration, field declarations, initializer) |
| public final static int Bit21 = 0x100000; |
| public final static int Bit22 = 0x200000; // parenthesis count (expression) | used (import reference) |
| public final static int Bit23 = 0x400000; // parenthesis count (expression) |
| public final static int Bit24 = 0x800000; // parenthesis count (expression) |
| public final static int Bit25 = 0x1000000; // parenthesis count (expression) |
| public final static int Bit26 = 0x2000000; // parenthesis count (expression) |
| public final static int Bit27 = 0x4000000; // parenthesis count (expression) |
| public final static int Bit28 = 0x8000000; // parenthesis count (expression) |
| public final static int Bit29 = 0x10000000; // parenthesis count (expression) |
| public final static int Bit30 = 0x20000000; // elseif (if statement) | try block exit (try statement) | fall-through (case statement) | ignore no effect assign (expression ref) | needScope (for statement) | isAnySubRoutineEscaping (return statement) | blockExit (synchronized statement) |
| public final static int Bit31 = 0x40000000; // local declaration reachable (local decl) | ignore raw type check (type ref) | discard entire assignment (assignment) | isSynchronized (return statement) | thenExit (if statement) |
| public final static int Bit32 = 0x80000000; // reachable (statement) |
| |
| public final static long Bit32L = 0x80000000L; |
| public final static long Bit33L = 0x100000000L; |
| public final static long Bit34L = 0x200000000L; |
| public final static long Bit35L = 0x400000000L; |
| public final static long Bit36L = 0x800000000L; |
| public final static long Bit37L = 0x1000000000L; |
| public final static long Bit38L = 0x2000000000L; |
| public final static long Bit39L = 0x4000000000L; |
| public final static long Bit40L = 0x8000000000L; |
| public final static long Bit41L = 0x10000000000L; |
| public final static long Bit42L = 0x20000000000L; |
| public final static long Bit43L = 0x40000000000L; |
| public final static long Bit44L = 0x80000000000L; |
| public final static long Bit45L = 0x100000000000L; |
| public final static long Bit46L = 0x200000000000L; |
| public final static long Bit47L = 0x400000000000L; |
| public final static long Bit48L = 0x800000000000L; |
| public final static long Bit49L = 0x1000000000000L; |
| public final static long Bit50L = 0x2000000000000L; |
| public final static long Bit51L = 0x4000000000000L; |
| public final static long Bit52L = 0x8000000000000L; |
| public final static long Bit53L = 0x10000000000000L; |
| public final static long Bit54L = 0x20000000000000L; |
| public final static long Bit55L = 0x40000000000000L; |
| public final static long Bit56L = 0x80000000000000L; |
| public final static long Bit57L = 0x100000000000000L; |
| public final static long Bit58L = 0x200000000000000L; |
| public final static long Bit59L = 0x400000000000000L; |
| public final static long Bit60L = 0x800000000000000L; |
| public final static long Bit61L = 0x1000000000000000L; |
| public final static long Bit62L = 0x2000000000000000L; |
| public final static long Bit63L = 0x4000000000000000L; |
| public final static long Bit64L = 0x8000000000000000L; |
| |
| public int bits = IsReachable; // reachable by default |
| |
| // for operators |
| public static final int ReturnTypeIDMASK = Bit1|Bit2|Bit3|Bit4; |
| public static final int OperatorSHIFT = 6; // Bit7 -> Bit12 |
| public static final int OperatorMASK = Bit7|Bit8|Bit9|Bit10|Bit11|Bit12; // 6 bits for operator ID |
| |
| // for binary expressions |
| public static final int IsReturnedValue = Bit5; |
| |
| // for cast expressions |
| public static final int UnnecessaryCast = Bit15; |
| public static final int DisableUnnecessaryCastCheck = Bit6; |
| public static final int GenerateCheckcast = Bit7; |
| public static final int UnsafeCast = Bit8; |
| |
| // for name references |
| public static final int RestrictiveFlagMASK = Bit1|Bit2|Bit3; |
| |
| // for local decls |
| public static final int IsArgument = Bit3; |
| |
| // for name refs or local decls |
| public static final int FirstAssignmentToLocal = Bit4; |
| |
| // for msg or field references |
| public static final int NeedReceiverGenericCast = Bit19; |
| |
| // for this reference |
| public static final int IsImplicitThis = Bit3; |
| |
| // for single name references |
| public static final int DepthSHIFT = 5; // Bit6 -> Bit13 |
| public static final int DepthMASK = Bit6|Bit7|Bit8|Bit9|Bit10|Bit11|Bit12|Bit13; // 8 bits for actual depth value (max. 255) |
| |
| // for statements |
| public static final int IsReachable = Bit32; |
| public static final int LabelUsed = Bit7; |
| public static final int DocumentedFallthrough = Bit30; // switch statement |
| public static final int DocumentedCasesOmitted = Bit31; // switch statement |
| |
| // local decls |
| public static final int IsLocalDeclarationReachable = Bit31; |
| |
| // try statements |
| public static final int IsSubRoutineEscaping = Bit15; |
| public static final int IsTryBlockExiting = Bit30; |
| |
| // for type declaration |
| public static final int ContainsAssertion = Bit1; |
| public static final int IsLocalType = Bit9; |
| public static final int IsAnonymousType = Bit10; // used to test for anonymous |
| public static final int IsMemberType = Bit11; // local member do not know it is local at parse time (need to look at binding) |
| public static final int HasAbstractMethods = Bit12; // used to promote abstract enums |
| public static final int IsSecondaryType = Bit13; // used to test for secondary |
| public static final int HasBeenGenerated = Bit14; |
| |
| // for type, method and field declarations |
| public static final int HasLocalType = Bit2; // cannot conflict with AddAssertionMASK |
| public static final int HasBeenResolved = Bit5; // field decl only (to handle forward references) |
| //{ObjectTeams: |
| // + Argument uses HasBeenResolved to singal that bind() has worked |
| // and has stored the LocalVariableBinding in the method scope. |
| // + MessageSend uses HasBeenResolved to signal that argument enhancing has occurred. |
| |
| public static final int HasBeenTransformed = Bit3; // by TransformStatementsVisitor while enhancing signatures (MessageSend / AbstractMethodDeclaration) |
| |
| public static final int IsGenerated = Bit21; // currently: supertype references, AllocationExpression in a creationMethod |
| public boolean isGenerated() { |
| return (this.bits & IsGenerated) != 0; |
| } |
| // SH} |
| |
| // for expression |
| public static final int ParenthesizedSHIFT = 21; // Bit22 -> Bit29 |
| public static final int ParenthesizedMASK = Bit22|Bit23|Bit24|Bit25|Bit26|Bit27|Bit28|Bit29; // 8 bits for parenthesis count value (max. 255) |
| public static final int IgnoreNoEffectAssignCheck = Bit30; |
| |
| // for references on lhs of assignment |
| public static final int IsStrictlyAssigned = Bit14; // set only for true assignments, as opposed to compound ones |
| public static final int IsCompoundAssigned = Bit17; // set only for compound assignments, as opposed to other ones |
| |
| // for explicit constructor call |
| public static final int DiscardEnclosingInstance = Bit14; // used for codegen |
| |
| // for all method/constructor invocations (msg, alloc, expl. constr call) |
| public static final int Unchecked = Bit17; |
| |
| // for javadoc - used to indicate whether the javadoc has to be resolved |
| public static final int ResolveJavadoc = Bit17; |
| |
| // for empty statement |
| public static final int IsUsefulEmptyStatement = Bit1; |
| |
| // for block and method declaration |
| public static final int UndocumentedEmptyBlock = Bit4; |
| public static final int OverridingMethodWithSupercall = Bit5; |
| public static final int CanBeStatic = Bit9; // used to flag a method that can be declared static |
| |
| // for initializer and method declaration |
| public static final int ErrorInSignature = Bit6; |
| |
| // for abstract method declaration |
| public static final int NeedFreeReturn = Bit7; // abstract method declaration |
| |
| // for constructor declaration |
| public static final int IsDefaultConstructor = Bit8; |
| |
| // for compilation unit |
| public static final int HasAllMethodBodies = Bit5; |
| public static final int IsImplicitUnit = Bit1; |
| |
| // for references in Javadoc comments |
| public static final int InsideJavadoc = Bit16; |
| |
| // for javadoc allocation expression/javadoc message send/javadoc return statement |
| public static final int SuperAccess = Bit15; |
| |
| // for javadoc return statement |
| public static final int Empty = Bit19; |
| |
| // for if statement |
| public static final int IsElseIfStatement = Bit30; |
| public static final int ThenExit = Bit31; |
| public static final int IsElseStatementUnreachable = Bit8; |
| public static final int IsThenStatementUnreachable = Bit9; |
| |
| // for type reference |
| public static final int IsSuperType = Bit5; |
| public static final int IsVarArgs = Bit15; |
| public static final int IgnoreRawTypeCheck = Bit31; |
| //{ObjectTeams: more bits: |
| public static final int IsRoleType = Bit14; // for <B base R> |
| public static final int IsAllocationType = Bit18; // for new T(); for detecting new path.R(); |
| public static final int IsGeneratedWithProblem = Bit22; |
| // SH} |
| |
| // for array initializer |
| public static final int IsAnnotationDefaultValue = Bit1; |
| |
| // for null reference analysis |
| public static final int IsNonNull = Bit18; |
| |
| // for for statement |
| public static final int NeededScope = Bit30; |
| |
| // for import reference |
| public static final int OnDemand = Bit18; |
| public static final int Used = Bit2; |
| |
| // for parameterized qualified/single type ref |
| public static final int DidResolve = Bit19; |
| |
| // for return statement |
| public static final int IsAnySubRoutineEscaping = Bit30; |
| public static final int IsSynchronized = Bit31; |
| |
| // for synchronized statement |
| public static final int BlockExit = Bit30; |
| |
| // for annotation reference |
| public static final int IsRecovered = Bit6; |
| |
| // for type declaration, initializer and method declaration |
| public static final int HasSyntaxErrors = Bit20; |
| |
| // constants used when checking invocation arguments |
| public static final int INVOCATION_ARGUMENT_OK = 0; |
| public static final int INVOCATION_ARGUMENT_UNCHECKED = 1; |
| public static final int INVOCATION_ARGUMENT_WILDCARD = 2; |
| |
| // for type reference (diamond case) - Java 7 |
| public static final int IsUnionType = Bit30; |
| // Used to tag ParameterizedSingleTypeReference or ParameterizedQualifiedTypeReference when they are |
| // used without any type args. It is also used to tag CompletionOnQualifiedExpression when the |
| // generics inference has failed and the resolved type still has <>. |
| public static final int IsDiamond = Bit20; |
| |
| // this is only used for method invocation as the expression inside an expression statement |
| public static final int InsideExpressionStatement = Bit5; |
| |
| // for annotation reference, signal if annotation was created from a default: |
| public static final int IsSynthetic = ASTNode.Bit7; |
| |
| public ASTNode() { |
| |
| super(); |
| } |
| private static int checkInvocationArgument(BlockScope scope, Expression argument, TypeBinding parameterType, TypeBinding argumentType, TypeBinding originalParameterType) { |
| argument.computeConversion(scope, parameterType, argumentType); |
| |
| if (argumentType != TypeBinding.NULL && parameterType.kind() == Binding.WILDCARD_TYPE) { // intersection types are tolerated |
| WildcardBinding wildcard = (WildcardBinding) parameterType; |
| if (wildcard.boundKind != Wildcard.SUPER) { |
| return INVOCATION_ARGUMENT_WILDCARD; |
| } |
| } |
| TypeBinding checkedParameterType = parameterType; // originalParameterType == null ? parameterType : originalParameterType; |
| if (argumentType != checkedParameterType && argumentType.needsUncheckedConversion(checkedParameterType)) { |
| scope.problemReporter().unsafeTypeConversion(argument, argumentType, checkedParameterType); |
| return INVOCATION_ARGUMENT_UNCHECKED; |
| } |
| return INVOCATION_ARGUMENT_OK; |
| } |
| //{ObjectTeams: make overridable: |
| /* orig: |
| public static boolean checkInvocationArguments(BlockScope scope, Expression receiver, TypeBinding receiverType, MethodBinding method, Expression[] arguments, TypeBinding[] argumentTypes, boolean argsContainCast, InvocationSite invocationSite) { |
| :giro */ |
| public boolean checkInvocationArguments(BlockScope scope, Expression receiver, TypeBinding receiverType, MethodBinding method, Expression[] arguments, TypeBinding[] argumentTypes, boolean argsContainCast, InvocationSite invocationSite) { |
| // SH} |
| boolean is1_7 = scope.compilerOptions().sourceLevel >= ClassFileConstants.JDK1_7; |
| if (is1_7 && method.isPolymorphic()) { |
| return false; |
| } |
| TypeBinding[] params = method.parameters; |
| int paramLength = params.length; |
| boolean isRawMemberInvocation = !method.isStatic() |
| && !receiverType.isUnboundWildcard() |
| && method.declaringClass.isRawType() |
| && method.hasSubstitutedParameters(); |
| |
| boolean uncheckedBoundCheck = (method.tagBits & TagBits.HasUncheckedTypeArgumentForBoundCheck) != 0; |
| MethodBinding rawOriginalGenericMethod = null; |
| if (!isRawMemberInvocation) { |
| if (method instanceof ParameterizedGenericMethodBinding) { |
| ParameterizedGenericMethodBinding paramMethod = (ParameterizedGenericMethodBinding) method; |
| if (paramMethod.isRaw && method.hasSubstitutedParameters()) { |
| rawOriginalGenericMethod = method.original(); |
| } |
| } |
| } |
| int invocationStatus = INVOCATION_ARGUMENT_OK; |
| if (arguments == null) { |
| if (method.isVarargs()) { |
| TypeBinding parameterType = ((ArrayBinding) params[paramLength-1]).elementsType(); // no element was supplied for vararg parameter |
| if (!parameterType.isReifiable() |
| && (!is1_7 || ((method.tagBits & TagBits.AnnotationSafeVarargs) == 0))) { |
| scope.problemReporter().unsafeGenericArrayForVarargs(parameterType, (ASTNode)invocationSite); |
| } |
| } |
| } else { |
| if (method.isVarargs()) { |
| // 4 possibilities exist for a call to the vararg method foo(int i, long ... value) : foo(1), foo(1, 2), foo(1, 2, 3, 4) & foo(1, new long[] {1, 2}) |
| int lastIndex = paramLength - 1; |
| for (int i = 0; i < lastIndex; i++) { |
| TypeBinding originalRawParam = rawOriginalGenericMethod == null ? null : rawOriginalGenericMethod.parameters[i]; |
| invocationStatus |= checkInvocationArgument(scope, arguments[i], params[i] , argumentTypes[i], originalRawParam); |
| } |
| int argLength = arguments.length; |
| if (lastIndex <= argLength) { // https://bugs.eclipse.org/bugs/show_bug.cgi?id=337093 |
| TypeBinding parameterType = params[lastIndex]; |
| TypeBinding originalRawParam = null; |
| |
| if (paramLength != argLength || parameterType.dimensions() != argumentTypes[lastIndex].dimensions()) { |
| parameterType = ((ArrayBinding) parameterType).elementsType(); // single element was provided for vararg parameter |
| if (!parameterType.isReifiable() |
| && (!is1_7 || ((method.tagBits & TagBits.AnnotationSafeVarargs) == 0))) { |
| scope.problemReporter().unsafeGenericArrayForVarargs(parameterType, (ASTNode)invocationSite); |
| } |
| originalRawParam = rawOriginalGenericMethod == null ? null : ((ArrayBinding)rawOriginalGenericMethod.parameters[lastIndex]).elementsType(); |
| } |
| for (int i = lastIndex; i < argLength; i++) { |
| invocationStatus |= checkInvocationArgument(scope, arguments[i], parameterType, argumentTypes[i], originalRawParam); |
| } |
| } |
| if (paramLength == argLength) { // 70056 |
| int varargsIndex = paramLength - 1; |
| ArrayBinding varargsType = (ArrayBinding) params[varargsIndex]; |
| TypeBinding lastArgType = argumentTypes[varargsIndex]; |
| int dimensions; |
| if (lastArgType == TypeBinding.NULL) { |
| if (!(varargsType.leafComponentType().isBaseType() && varargsType.dimensions() == 1)) |
| scope.problemReporter().varargsArgumentNeedCast(method, lastArgType, invocationSite); |
| } else if (varargsType.dimensions <= (dimensions = lastArgType.dimensions())) { |
| if (lastArgType.leafComponentType().isBaseType()) { |
| dimensions--; |
| } |
| if (varargsType.dimensions < dimensions) { |
| scope.problemReporter().varargsArgumentNeedCast(method, lastArgType, invocationSite); |
| } else if (varargsType.dimensions == dimensions |
| && lastArgType != varargsType |
| && lastArgType.leafComponentType().erasure() != varargsType.leafComponentType.erasure() |
| && lastArgType.isCompatibleWith(varargsType.elementsType()) |
| && lastArgType.isCompatibleWith(varargsType)) { |
| scope.problemReporter().varargsArgumentNeedCast(method, lastArgType, invocationSite); |
| } |
| } |
| } |
| } else { |
| for (int i = 0; i < paramLength; i++) { |
| TypeBinding originalRawParam = rawOriginalGenericMethod == null ? null : rawOriginalGenericMethod.parameters[i]; |
| invocationStatus |= checkInvocationArgument(scope, arguments[i], params[i], argumentTypes[i], originalRawParam); |
| } |
| } |
| if (argsContainCast) { |
| CastExpression.checkNeedForArgumentCasts(scope, receiver, receiverType, method, arguments, argumentTypes, invocationSite); |
| } |
| } |
| if ((invocationStatus & INVOCATION_ARGUMENT_WILDCARD) != 0) { |
| scope.problemReporter().wildcardInvocation((ASTNode)invocationSite, receiverType, method, argumentTypes); |
| } else if (!method.isStatic() && !receiverType.isUnboundWildcard() && method.declaringClass.isRawType() && method.hasSubstitutedParameters()) { |
| if (scope.compilerOptions().reportUnavoidableGenericTypeProblems || receiver == null || !receiver.forcedToBeRaw(scope.referenceContext())) { |
| scope.problemReporter().unsafeRawInvocation((ASTNode)invocationSite, method); |
| } |
| } else if (rawOriginalGenericMethod != null |
| || uncheckedBoundCheck |
| || ((invocationStatus & INVOCATION_ARGUMENT_UNCHECKED) != 0 |
| && method instanceof ParameterizedGenericMethodBinding |
| /*&& method.returnType != scope.environment().convertToRawType(method.returnType.erasure(), true)*/)) { |
| scope.problemReporter().unsafeRawGenericMethodInvocation((ASTNode)invocationSite, method, argumentTypes); |
| return true; |
| } |
| return false; |
| } |
| public ASTNode concreteStatement() { |
| return this; |
| } |
| |
| public final boolean isFieldUseDeprecated(FieldBinding field, Scope scope, int filteredBits) { |
| if ((this.bits & ASTNode.InsideJavadoc) == 0 // ignore references inside Javadoc comments |
| && (filteredBits & IsStrictlyAssigned) == 0 // ignore write access |
| && field.isOrEnclosedByPrivateType() |
| && !scope.isDefinedInField(field)) // ignore cases where field is used from inside itself |
| { |
| if (((filteredBits & IsCompoundAssigned) != 0)) |
| // used, but usage may not be relevant |
| field.original().compoundUseFlag++; |
| else |
| field.original().modifiers |= ExtraCompilerModifiers.AccLocallyUsed; |
| } |
| |
| if ((field.modifiers & ExtraCompilerModifiers.AccRestrictedAccess) != 0) { |
| AccessRestriction restriction = |
| scope.environment().getAccessRestriction(field.declaringClass.erasure()); |
| if (restriction != null) { |
| scope.problemReporter().forbiddenReference(field, this, |
| //{ObjectTeams: pass the whole restriction object (for use by the compiler.adaptor): |
| /* orig: |
| restriction.classpathEntryType, restriction.classpathEntryName, |
| restriction.getProblemId()); |
| :giro */ |
| restriction.classpathEntryType, restriction); |
| // SH} |
| |
| } |
| } |
| |
| if (!field.isViewedAsDeprecated()) return false; |
| |
| // inside same unit - no report |
| if (scope.isDefinedInSameUnit(field.declaringClass)) return false; |
| |
| // if context is deprecated, may avoid reporting |
| if (!scope.compilerOptions().reportDeprecationInsideDeprecatedCode && scope.isInsideDeprecatedCode()) return false; |
| return true; |
| } |
| |
| public boolean isImplicitThis() { |
| |
| return false; |
| } |
| |
| /* Answer true if the method use is considered deprecated. |
| * An access in the same compilation unit is allowed. |
| */ |
| public final boolean isMethodUseDeprecated(MethodBinding method, Scope scope, |
| boolean isExplicitUse) { |
| // ignore references insing Javadoc comments |
| if ((this.bits & ASTNode.InsideJavadoc) == 0 && method.isOrEnclosedByPrivateType() && !scope.isDefinedInMethod(method)) { |
| // ignore cases where method is used from inside itself (e.g. direct recursions) |
| //{ObjectTeams: don't consider certain generated usages: |
| if (!((scope instanceof MethodScope) && scope.isGeneratedScope() && !scope.isMethodMappingWrapper())) |
| // SH} |
| method.original().modifiers |= ExtraCompilerModifiers.AccLocallyUsed; |
| } |
| |
| // TODO (maxime) consider separating concerns between deprecation and access restriction. |
| // Caveat: this was not the case when access restriction funtion was added. |
| if (isExplicitUse && (method.modifiers & ExtraCompilerModifiers.AccRestrictedAccess) != 0) { |
| // note: explicit constructors calls warnings are kept despite the 'new C1()' case (two |
| // warnings, one on type, the other on constructor), because of the 'super()' case. |
| AccessRestriction restriction = |
| scope.environment().getAccessRestriction(method.declaringClass.erasure()); |
| if (restriction != null) { |
| scope.problemReporter().forbiddenReference(method, this, |
| //{ObjectTeams: pass the whole restriction object (for use by the compiler.adaptor): |
| /* orig: |
| restriction.classpathEntryType, restriction.classpathEntryName, |
| restriction.getProblemId()); |
| :giro */ |
| restriction.classpathEntryType, restriction); |
| // SH} |
| } |
| } |
| |
| if (!method.isViewedAsDeprecated()) return false; |
| |
| // inside same unit - no report |
| if (scope.isDefinedInSameUnit(method.declaringClass)) return false; |
| |
| // non explicit use and non explicitly deprecated - no report |
| if (!isExplicitUse && |
| (method.modifiers & ClassFileConstants.AccDeprecated) == 0) { |
| return false; |
| } |
| |
| // if context is deprecated, may avoid reporting |
| if (!scope.compilerOptions().reportDeprecationInsideDeprecatedCode && scope.isInsideDeprecatedCode()) return false; |
| return true; |
| } |
| |
| public boolean isSuper() { |
| |
| return false; |
| } |
| |
| public boolean isThis() { |
| |
| return false; |
| } |
| |
| /* Answer true if the type use is considered deprecated. |
| * An access in the same compilation unit is allowed. |
| */ |
| public final boolean isTypeUseDeprecated(TypeBinding type, Scope scope) { |
| |
| if (type.isArrayType()) { |
| type = ((ArrayBinding) type).leafComponentType; |
| } |
| if (type.isBaseType()) |
| return false; |
| |
| ReferenceBinding refType = (ReferenceBinding) type; |
| // ignore references insing Javadoc comments |
| if ((this.bits & ASTNode.InsideJavadoc) == 0 && refType.isOrEnclosedByPrivateType() && !scope.isDefinedInType(refType)) { |
| // ignore cases where type is used from inside itself |
| ((ReferenceBinding)refType.erasure()).modifiers |= ExtraCompilerModifiers.AccLocallyUsed; |
| } |
| |
| if (refType.hasRestrictedAccess()) { |
| AccessRestriction restriction = scope.environment().getAccessRestriction(type.erasure()); |
| if (restriction != null) { |
| //{ObjectTeams: pass the whole access restriction object (for use by the compiler.adaptor): |
| /* orig: |
| scope.problemReporter().forbiddenReference(type, this, restriction.classpathEntryType, |
| restriction.classpathEntryName, restriction.getProblemId()); |
| :giro */ |
| scope.problemReporter().forbiddenReference(type, this, restriction.classpathEntryType, |
| restriction); |
| // SH} |
| } |
| } |
| |
| // force annotations resolution before deciding whether the type may be deprecated |
| refType.initializeDeprecatedAnnotationTagBits(); |
| |
| if (!refType.isViewedAsDeprecated()) return false; |
| |
| // inside same unit - no report |
| if (scope.isDefinedInSameUnit(refType)) return false; |
| |
| // if context is deprecated, may avoid reporting |
| if (!scope.compilerOptions().reportDeprecationInsideDeprecatedCode && scope.isInsideDeprecatedCode()) return false; |
| return true; |
| } |
| |
| public abstract StringBuffer print(int indent, StringBuffer output); |
| |
| public static StringBuffer printAnnotations(Annotation[] annotations, StringBuffer output) { |
| int length = annotations.length; |
| for (int i = 0; i < length; i++) { |
| annotations[i].print(0, output); |
| output.append(" "); //$NON-NLS-1$ |
| } |
| return output; |
| } |
| |
| public static StringBuffer printIndent(int indent, StringBuffer output) { |
| |
| for (int i = indent; i > 0; i--) output.append(" "); //$NON-NLS-1$ |
| return output; |
| } |
| |
| public static StringBuffer printModifiers(int modifiers, StringBuffer output) { |
| |
| if ((modifiers & ClassFileConstants.AccPublic) != 0) |
| output.append("public "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccPrivate) != 0) |
| output.append("private "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccProtected) != 0) |
| output.append("protected "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccStatic) != 0) |
| output.append("static "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccFinal) != 0) |
| output.append("final "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccSynchronized) != 0) |
| output.append("synchronized "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccVolatile) != 0) |
| output.append("volatile "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccTransient) != 0) |
| output.append("transient "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccNative) != 0) |
| output.append("native "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccAbstract) != 0) |
| output.append("abstract "); //$NON-NLS-1$ |
| //{ObjectTeams: |
| if ((modifiers & ExtraCompilerModifiers.AccCallin) != 0) |
| output.append("callin "); //$NON-NLS-1$ |
| // SH} |
| return output; |
| } |
| |
| //{ObjectTeams |
| public static StringBuffer printTypeKind(int modifiers, StringBuffer output) { |
| if ((modifiers & ExtraCompilerModifiers.AccRole) != 0) |
| output.append("role "); //$NON-NLS-1$ |
| if ((modifiers & ClassFileConstants.AccTeam) != 0) |
| output.append("team "); //$NON-NLS-1$ |
| return output; |
| } |
| // Markus Witte+SH} |
| |
| /** |
| * Resolve annotations, and check duplicates, answers combined tagBits |
| * for recognized standard annotations |
| */ |
| public static void resolveAnnotations(BlockScope scope, Annotation[] sourceAnnotations, Binding recipient) { |
| AnnotationBinding[] annotations = null; |
| int length = sourceAnnotations == null ? 0 : sourceAnnotations.length; |
| if (recipient != null) { |
| switch (recipient.kind()) { |
| case Binding.PACKAGE : |
| PackageBinding packageBinding = (PackageBinding) recipient; |
| if ((packageBinding.tagBits & TagBits.AnnotationResolved) != 0) return; |
| packageBinding.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved); |
| break; |
| case Binding.TYPE : |
| case Binding.GENERIC_TYPE : |
| ReferenceBinding type = (ReferenceBinding) recipient; |
| if ((type.tagBits & TagBits.AnnotationResolved) != 0) return; |
| type.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved); |
| if (length > 0) { |
| annotations = new AnnotationBinding[length]; |
| type.setAnnotations(annotations); |
| } |
| break; |
| case Binding.METHOD : |
| MethodBinding method = (MethodBinding) recipient; |
| if ((method.tagBits & TagBits.AnnotationResolved) != 0) return; |
| method.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved); |
| if (length > 0) { |
| annotations = new AnnotationBinding[length]; |
| method.setAnnotations(annotations); |
| } |
| break; |
| //{ObjectTeams: method mappings |
| case Binding.BINDING : |
| CallinCalloutBinding mapping = (CallinCalloutBinding) recipient; |
| if ((mapping.tagBits & TagBits.AnnotationResolved) != 0) return; |
| mapping.tagBits |= TagBits.AnnotationResolved; |
| if (length > 0) { |
| annotations = new AnnotationBinding[length]; |
| mapping.setAnnotations(annotations); |
| } |
| break; |
| // SH} |
| case Binding.FIELD : |
| FieldBinding field = (FieldBinding) recipient; |
| if ((field.tagBits & TagBits.AnnotationResolved) != 0) return; |
| field.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved); |
| if (length > 0) { |
| annotations = new AnnotationBinding[length]; |
| field.setAnnotations(annotations); |
| } |
| break; |
| case Binding.LOCAL : |
| LocalVariableBinding local = (LocalVariableBinding) recipient; |
| if ((local.tagBits & TagBits.AnnotationResolved) != 0) return; |
| local.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved); |
| if (length > 0) { |
| annotations = new AnnotationBinding[length]; |
| local.setAnnotations(annotations, scope); |
| } |
| break; |
| default : |
| return; |
| } |
| } |
| if (sourceAnnotations == null) |
| return; |
| for (int i = 0; i < length; i++) { |
| Annotation annotation = sourceAnnotations[i]; |
| final Binding annotationRecipient = annotation.recipient; |
| if (annotationRecipient != null && recipient != null) { |
| // only local and field can share annnotations |
| switch (recipient.kind()) { |
| case Binding.FIELD : |
| FieldBinding field = (FieldBinding) recipient; |
| field.tagBits = ((FieldBinding) annotationRecipient).tagBits; |
| if (annotations != null) { |
| // need to fill the instances array |
| for (int j = 0; j < length; j++) { |
| Annotation annot = sourceAnnotations[j]; |
| annotations[j] = annot.getCompilerAnnotation(); |
| } |
| } |
| break; |
| case Binding.LOCAL : |
| LocalVariableBinding local = (LocalVariableBinding) recipient; |
| long otherLocalTagBits = ((LocalVariableBinding) annotationRecipient).tagBits; |
| local.tagBits = otherLocalTagBits; |
| if ((otherLocalTagBits & TagBits.AnnotationSuppressWarnings) == 0) { |
| // None of the annotations is a SuppressWarnings annotation |
| // need to fill the instances array |
| if (annotations != null) { |
| for (int j = 0; j < length; j++) { |
| Annotation annot = sourceAnnotations[j]; |
| annotations[j] = annot.getCompilerAnnotation(); |
| } |
| } |
| } else if (annotations != null) { |
| // One of the annotations at least is a SuppressWarnings annotation |
| LocalDeclaration localDeclaration = local.declaration; |
| int declarationSourceEnd = localDeclaration.declarationSourceEnd; |
| int declarationSourceStart = localDeclaration.declarationSourceStart; |
| for (int j = 0; j < length; j++) { |
| Annotation annot = sourceAnnotations[j]; |
| /* |
| * Annotations are shared between two locals, but we still need to record |
| * the suppress annotation range for the second local |
| */ |
| AnnotationBinding annotationBinding = annot.getCompilerAnnotation(); |
| annotations[j] = annotationBinding; |
| if (annotationBinding != null) { |
| final ReferenceBinding annotationType = annotationBinding.getAnnotationType(); |
| if (annotationType != null && annotationType.id == TypeIds.T_JavaLangSuppressWarnings) { |
| annot.recordSuppressWarnings(scope, declarationSourceStart, declarationSourceEnd, scope.compilerOptions().suppressWarnings); |
| } |
| } |
| } |
| } |
| break; |
| } |
| return; |
| } else { |
| annotation.recipient = recipient; |
| annotation.resolveType(scope); |
| // null if receiver is a package binding |
| if (annotations != null) { |
| annotations[i] = annotation.getCompilerAnnotation(); |
| } |
| } |
| } |
| // check duplicate annotations |
| if (annotations != null) { |
| AnnotationBinding[] distinctAnnotations = annotations; // only copy after 1st duplicate is detected |
| for (int i = 0; i < length; i++) { |
| AnnotationBinding annotation = distinctAnnotations[i]; |
| if (annotation == null) continue; |
| TypeBinding annotationType = annotation.getAnnotationType(); |
| boolean foundDuplicate = false; |
| for (int j = i+1; j < length; j++) { |
| AnnotationBinding otherAnnotation = distinctAnnotations[j]; |
| if (otherAnnotation == null) continue; |
| if (otherAnnotation.getAnnotationType() == annotationType) { |
| foundDuplicate = true; |
| if (distinctAnnotations == annotations) { |
| System.arraycopy(distinctAnnotations, 0, distinctAnnotations = new AnnotationBinding[length], 0, length); |
| } |
| distinctAnnotations[j] = null; // report it only once |
| scope.problemReporter().duplicateAnnotation(sourceAnnotations[j]); |
| } |
| } |
| if (foundDuplicate) { |
| scope.problemReporter().duplicateAnnotation(sourceAnnotations[i]); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Figures if @Deprecated annotation is specified, do not resolve entire annotations. |
| */ |
| public static void resolveDeprecatedAnnotations(BlockScope scope, Annotation[] annotations, Binding recipient) { |
| if (recipient != null) { |
| int kind = recipient.kind(); |
| if (annotations != null) { |
| int length; |
| if ((length = annotations.length) >= 0) { |
| switch (kind) { |
| case Binding.PACKAGE : |
| PackageBinding packageBinding = (PackageBinding) recipient; |
| if ((packageBinding.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return; |
| break; |
| case Binding.TYPE : |
| case Binding.GENERIC_TYPE : |
| ReferenceBinding type = (ReferenceBinding) recipient; |
| if ((type.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return; |
| break; |
| case Binding.METHOD : |
| MethodBinding method = (MethodBinding) recipient; |
| if ((method.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return; |
| break; |
| case Binding.FIELD : |
| FieldBinding field = (FieldBinding) recipient; |
| if ((field.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return; |
| break; |
| case Binding.LOCAL : |
| LocalVariableBinding local = (LocalVariableBinding) recipient; |
| if ((local.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return; |
| break; |
| default : |
| return; |
| } |
| for (int i = 0; i < length; i++) { |
| TypeReference annotationTypeRef = annotations[i].type; |
| // only resolve type name if 'Deprecated' last token |
| if (!CharOperation.equals(TypeConstants.JAVA_LANG_DEPRECATED[2], annotationTypeRef.getLastToken())) continue; |
| TypeBinding annotationType = annotations[i].type.resolveType(scope); |
| if(annotationType != null && annotationType.isValidBinding() && annotationType.id == TypeIds.T_JavaLangDeprecated) { |
| switch (kind) { |
| case Binding.PACKAGE : |
| PackageBinding packageBinding = (PackageBinding) recipient; |
| packageBinding.tagBits |= (TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved); |
| return; |
| case Binding.TYPE : |
| case Binding.GENERIC_TYPE : |
| case Binding.TYPE_PARAMETER : |
| ReferenceBinding type = (ReferenceBinding) recipient; |
| type.tagBits |= (TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved); |
| return; |
| case Binding.METHOD : |
| MethodBinding method = (MethodBinding) recipient; |
| method.tagBits |= (TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved); |
| return; |
| case Binding.FIELD : |
| FieldBinding field = (FieldBinding) recipient; |
| field.tagBits |= (TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved); |
| return; |
| case Binding.LOCAL : |
| LocalVariableBinding local = (LocalVariableBinding) recipient; |
| local.tagBits |= (TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved); |
| return; |
| default: |
| return; |
| } |
| } |
| } |
| } |
| } |
| switch (kind) { |
| case Binding.PACKAGE : |
| PackageBinding packageBinding = (PackageBinding) recipient; |
| packageBinding.tagBits |= TagBits.DeprecatedAnnotationResolved; |
| return; |
| case Binding.TYPE : |
| case Binding.GENERIC_TYPE : |
| case Binding.TYPE_PARAMETER : |
| ReferenceBinding type = (ReferenceBinding) recipient; |
| type.tagBits |= TagBits.DeprecatedAnnotationResolved; |
| return; |
| case Binding.METHOD : |
| MethodBinding method = (MethodBinding) recipient; |
| method.tagBits |= TagBits.DeprecatedAnnotationResolved; |
| return; |
| case Binding.FIELD : |
| FieldBinding field = (FieldBinding) recipient; |
| field.tagBits |= TagBits.DeprecatedAnnotationResolved; |
| return; |
| case Binding.LOCAL : |
| LocalVariableBinding local = (LocalVariableBinding) recipient; |
| local.tagBits |= TagBits.DeprecatedAnnotationResolved; |
| return; |
| default: |
| return; |
| } |
| } |
| } |
| |
| public int sourceStart() { |
| return this.sourceStart; |
| } |
| public int sourceEnd() { |
| return this.sourceEnd; |
| } |
| public String toString() { |
| |
| return print(0, new StringBuffer(30)).toString(); |
| } |
| |
| public void traverse(ASTVisitor visitor, BlockScope scope) { |
| // do nothing by default |
| } |
| } |