/* * When unit result is about to be accepted, removed back pointers * to compiler structures. */ public void cleanUp() { if (this.compilationUnitBinding != null) this.compilationUnitBinding.cleanup(); if (this.types != null) { for (int i = 0, max = this.types.length; i < max; i++) { cleanUp(this.types[i]); } for (int i = 0, max = this.localTypeCount; i < max; i++) { LocalTypeBinding localType = localTypes[i]; // null out the type's scope backpointers localType.scope = null; // local members are already in the list localType.enclosingCase = null; } } for (int i = 0; i < this.numberInferredTypes; i++) { SourceTypeBinding binding = this.inferredTypes[i].binding; if (binding != null) binding.cleanup(); } compilationResult.recoveryScannerData = null; // recovery is already done }
/* * Type checking for constructor, just another method, except for special check * for recursive constructor invocations. */ public void resolveStatements() { SourceTypeBinding sourceType = this.scope.enclosingSourceType(); if (!CharOperation.equals(sourceType.sourceName, this.selector)) { this.scope.problemReporter().missingReturnType(this); } if (this.binding != null && !this.binding.isPrivate()) { sourceType.tagBits |= TagBits.HasNonPrivateConstructor; } // if null ==> an error has occurs at parsing time .... if (this.constructorCall != null) { if (sourceType.id == TypeIds.T_JavaLangObject && this.constructorCall.accessMode != ExplicitConstructorCall.This) { this.constructorCall = null; } else { this.constructorCall.resolve(this.scope); } } if ((this.modifiers & ExtraCompilerModifiers.AccSemicolonBody) != 0) { this.scope.problemReporter().methodNeedBody(this); } super.resolveStatements(); }
public void resolve(MethodScope initializationScope) { // the two <constant = Constant.NotAConstant> could be regrouped into // a single line but it is clearer to have two lines while the reason of their // existence is not at all the same. See comment for the second one. // -------------------------------------------------------- if ((this.bits & ASTNode.HasBeenResolved) != 0) return; if (this.binding == null || !this.binding.isValidBinding()) return; this.bits |= ASTNode.HasBeenResolved; // check if field is hiding some variable - issue is that field binding already got inserted in // scope // thus must lookup separately in super type and outer context ClassScope classScope = initializationScope.enclosingClassScope(); if (classScope != null) { checkHiding: { SourceTypeBinding declaringType = classScope.enclosingSourceType(); checkHidingSuperField: { if (declaringType.superclass == null) break checkHidingSuperField; Binding existingVariable = classScope.findField( declaringType.superclass, this.name, this, false /*do not resolve hidden field*/); if (existingVariable == null) break checkHidingSuperField; // keep checking outer scenario if (!existingVariable.isValidBinding()) break checkHidingSuperField; // keep checking outer scenario if (existingVariable instanceof FieldBinding) { FieldBinding existingField = (FieldBinding) existingVariable; if (existingField.original() == this.binding) break checkHidingSuperField; // keep checking outer scenario } // collision with supertype field initializationScope.problemReporter().fieldHiding(this, existingVariable); break checkHiding; // already found a matching field } // only corner case is: lookup of outer field through static declaringType, which isn't // detected by #getBinding as lookup starts // from outer scope. Subsequent static contexts are detected for free. Scope outerScope = classScope.parent; if (outerScope.kind == Scope.COMPILATION_UNIT_SCOPE) break checkHiding; Binding existingVariable = outerScope.getBinding( this.name, Binding.VARIABLE, this, false /*do not resolve hidden field*/); if (existingVariable == null) break checkHiding; if (!existingVariable.isValidBinding()) break checkHiding; if (existingVariable == this.binding) break checkHiding; if (existingVariable instanceof FieldBinding) { FieldBinding existingField = (FieldBinding) existingVariable; if (existingField.original() == this.binding) break checkHiding; if (!existingField.isStatic() && declaringType.isStatic()) break checkHiding; } // collision with outer field or local variable initializationScope.problemReporter().fieldHiding(this, existingVariable); } } if (this.type != null) { // enum constants have no declared type this.type.resolvedType = this.binding.type; // update binding for type reference } FieldBinding previousField = initializationScope.initializedField; int previousFieldID = initializationScope.lastVisibleFieldID; try { initializationScope.initializedField = this.binding; initializationScope.lastVisibleFieldID = this.binding.id; // resolveAnnotations(initializationScope, this.annotations, this.binding); // the resolution of the initialization hasn't been done if (this.initialization != null) { TypeBinding fieldType = this.binding.type; TypeBinding initializationType; this.initialization.setExpectedType( fieldType); // needed in case of generic method invocation if (this.initialization instanceof ArrayInitializer) { if ((initializationType = this.initialization.resolveTypeExpecting(initializationScope, fieldType)) != null) { ((ArrayInitializer) this.initialization).binding = (ArrayBinding) initializationType; } } else if ((initializationType = this.initialization.resolveType(initializationScope)) != null) { if (fieldType != initializationType) // must call before computeConversion() and typeMismatchError() initializationScope .compilationUnitScope() .recordTypeConversion(fieldType, initializationType); if (this.initialization.isConstantValueOfTypeAssignableToType( initializationType, fieldType) || (fieldType.isBaseType() && BaseTypeBinding.isWidening(fieldType.id, initializationType.id)) || initializationType.isCompatibleWith(fieldType)) { } else if (initializationScope.isBoxingCompatibleWith(initializationType, fieldType) || (initializationType.isBaseType() // narrowing then boxing ? && initializationScope.compilerOptions().sourceLevel >= ClassFileConstants.JDK1_5 // autoboxing && !fieldType.isBaseType() && initialization.isConstantValueOfTypeAssignableToType( initializationType, initializationScope.environment().computeBoxingType(fieldType)))) { } else { initializationScope .problemReporter() .typeMismatchError(initializationType, fieldType, this); } } // check for assignment with no effect if (this.binding == Assignment.getDirectBinding(this.initialization)) { initializationScope.problemReporter().assignmentHasNoEffect(this, this.name); } } // Resolve Javadoc comment if one is present if (this.javadoc != null) { /* if (classScope != null) { this.javadoc.resolve(classScope); } */ this.javadoc.resolve(initializationScope); } else if (this.binding.declaringClass != null && !this.binding.declaringClass.isLocalType()) { initializationScope .problemReporter() .javadocMissing(this.sourceStart, this.sourceEnd, this.binding.modifiers); } } finally { initializationScope.initializedField = previousField; initializationScope.lastVisibleFieldID = previousFieldID; } }