private MethodDeclaration generateCleanMethod(List<BuilderFieldData> builderFields, EclipseNode builderType, ASTNode source) { List<Statement> statements = new ArrayList<Statement>(); for (BuilderFieldData bfd : builderFields) { if (bfd.singularData != null && bfd.singularData.getSingularizer() != null) { bfd.singularData.getSingularizer().appendCleaningCode(bfd.singularData, builderType, statements); } } FieldReference thisUnclean = new FieldReference(CLEAN_FIELD_NAME, 0); thisUnclean.receiver = new ThisReference(0, 0); statements.add(new Assignment(thisUnclean, new FalseLiteral(0, 0), 0)); MethodDeclaration decl = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult); decl.selector = CLEAN_METHOD_NAME; decl.modifiers = ClassFileConstants.AccPrivate; decl.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG; decl.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0); decl.statements = statements.toArray(new Statement[0]); decl.traverse(new SetGeneratedByVisitor(source), (ClassScope) null); return decl; }
private void doAssignmentCheck0(EclipseNode node, Statement statement, char[] varName) { if (statement instanceof Assignment) doAssignmentCheck0(node, ((Assignment)statement).expression, varName); else if (statement instanceof LocalDeclaration) doAssignmentCheck0(node, ((LocalDeclaration)statement).initialization, varName); else if (statement instanceof CastExpression) doAssignmentCheck0(node, ((CastExpression)statement).expression, varName); else if (statement instanceof SingleNameReference) { if (Arrays.equals(((SingleNameReference)statement).token, varName)) { EclipseNode problemNode = node.getNodeFor(statement); if (problemNode != null) problemNode.addWarning( "You're assigning an auto-cleanup variable to something else. This is a bad idea."); } } }
void generateClearMethod(TypeReference returnType, Statement returnStatement, SingularData data, EclipseNode builderType) { MethodDeclaration md = new MethodDeclaration(((CompilationUnitDeclaration) builderType.top().get()).compilationResult); md.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG; md.modifiers = ClassFileConstants.AccPublic; FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L); thisDotField.receiver = new ThisReference(0, 0); Assignment a = new Assignment(thisDotField, new NullLiteral(0, 0), 0); md.selector = HandlerUtil.buildAccessorName("clear", new String(data.getPluralName())).toCharArray(); md.statements = returnStatement != null ? new Statement[] {a, returnStatement} : new Statement[] {a}; md.returnType = returnType; injectMethod(builderType, md); }
protected Statement createConstructBuilderVarIfNeeded(SingularData data, EclipseNode builderType) { FieldReference thisDotField = new FieldReference(data.getPluralName(), 0L); thisDotField.receiver = new ThisReference(0, 0); FieldReference thisDotField2 = new FieldReference(data.getPluralName(), 0L); thisDotField2.receiver = new ThisReference(0, 0); Expression cond = new EqualExpression(thisDotField, new NullLiteral(0, 0), OperatorIds.EQUAL_EQUAL); MessageSend createBuilderInvoke = new MessageSend(); char[][] tokenizedName = makeGuavaTypeName(getSimpleTargetTypeName(data), false); createBuilderInvoke.receiver = new QualifiedNameReference(tokenizedName, NULL_POSS, 0, 0); createBuilderInvoke.selector = getBuilderMethodName(data); return new IfStatement(cond, new Assignment(thisDotField2, createBuilderInvoke, 0), 0, 0); }
/** * @see org.eclipse.jdt.internal.compiler.ASTVisitor#visit(org.eclipse.jdt.internal.compiler.ast.Assignment, org.eclipse.jdt.internal.compiler.lookup.BlockScope) */ public boolean visit(Assignment assignment, BlockScope scope) { final int numberOfParens = (assignment.bits & ASTNode.ParenthesizedMASK) >> ASTNode.ParenthesizedSHIFT; if (numberOfParens > 0) { manageOpeningParenthesizedExpression(assignment, numberOfParens); } assignment.lhs.traverse(this, scope); this.scribe.printNextToken(TerminalTokens.TokenNameEQUAL, this.preferences.insert_space_before_assignment_operator); if (this.preferences.insert_space_after_assignment_operator) { this.scribe.space(); } Alignment assignmentAlignment = this.scribe.createAlignment( Alignment.ASSIGNMENT, this.preferences.alignment_for_assignment, Alignment.R_OUTERMOST, 1, this.scribe.scanner.currentPosition); this.scribe.enterAlignment(assignmentAlignment); boolean ok = false; do { try { this.scribe.alignFragment(assignmentAlignment, 0); assignment.expression.traverse(this, scope); ok = true; } catch(AlignmentException e){ this.scribe.redoAlignment(e); } } while (!ok); this.scribe.exitAlignment(assignmentAlignment, true); if (numberOfParens > 0) { manageClosingParenthesizedExpression(assignment, numberOfParens); } return false; }
public void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) { FieldBinding codegenBinding = this.binding.original(); if (codegenBinding.canBeSeenBy(this.actualReceiverType, this, currentScope)) { this.receiver.generateCode(currentScope, codeStream, !codegenBinding.isStatic()); assignment.expression.generateCode(currentScope, codeStream, true); fieldStore(currentScope, codeStream, codegenBinding, null, this.actualReceiverType, this.receiver.isImplicitThis(), valueRequired); } else { codeStream.generateEmulationForField(codegenBinding); this.receiver.generateCode(currentScope, codeStream, !codegenBinding.isStatic()); if (codegenBinding.isStatic()) { // need a receiver? codeStream.aconst_null(); } assignment.expression.generateCode(currentScope, codeStream, true); if (valueRequired) { switch (codegenBinding.type.id) { case TypeIds.T_long : case TypeIds.T_double : codeStream.dup2_x2(); break; default : codeStream.dup_x2(); break; } } codeStream.generateEmulatedWriteAccessForField(codegenBinding); } if (valueRequired){ codeStream.generateImplicitConversion(assignment.implicitConversion); } }
/** * Check and/or redirect the field access to the delegate receiver if any */ public void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) { FieldBinding lastFieldBinding = this.otherBindings == null ? (FieldBinding) this.binding : this.otherBindings[this.otherBindings.length-1]; if (lastFieldBinding.canBeSeenBy(getFinalReceiverType(), this, currentScope)) { super.generateAssignment(currentScope, codeStream, assignment, valueRequired); return; } lastFieldBinding = generateReadSequence(currentScope, codeStream); codeStream.generateEmulationForField(lastFieldBinding); codeStream.swap(); assignment.expression.generateCode(currentScope, codeStream, true); if (valueRequired) { switch (lastFieldBinding.type.id) { case TypeIds.T_long : case TypeIds.T_double : codeStream.dup2_x2(); break; default : codeStream.dup_x2(); break; } } codeStream.generateEmulatedWriteAccessForField(lastFieldBinding); if (valueRequired) { codeStream.generateImplicitConversion(assignment.implicitConversion); } }
protected void consumeAssignment() { // Assignment ::= LeftHandSide AssignmentOperator AssignmentExpression //optimize the push/pop int op = this.intStack[this.intPtr--] ; //<--the encoded operator this.expressionPtr -- ; this.expressionLengthPtr -- ; Expression expression = this.expressionStack[this.expressionPtr+1]; this.expressionStack[this.expressionPtr] = (op != EQUAL ) ? new CompoundAssignment( this.expressionStack[this.expressionPtr] , expression, op, expression.sourceEnd): new Assignment( this.expressionStack[this.expressionPtr] , expression, expression.sourceEnd); if (this.pendingRecoveredType != null) { // Used only in statements recovery. // This is not a real assignment but a placeholder for an existing anonymous type. // The assignment must be replace by the anonymous type. if (this.pendingRecoveredType.allocation != null && this.scanner.startPosition - 1 <= this.pendingRecoveredType.declarationSourceEnd) { this.expressionStack[this.expressionPtr] = this.pendingRecoveredType.allocation; this.pendingRecoveredType = null; return; } this.pendingRecoveredType = null; } }
public void assignmentHasNoEffect(Assignment location, char[] name){ int severity = computeSeverity(IProblem.AssignmentHasNoEffect); if (severity == ProblemSeverities.Ignore) return; String[] arguments = new String[] { new String(name) }; this.handle( IProblem.AssignmentHasNoEffect, arguments, arguments, severity, location.sourceStart, location.sourceEnd); }
public void possibleAccidentalBooleanAssignment(Assignment assignment) { this.handle( IProblem.PossibleAccidentalBooleanAssignment, NoArgument, NoArgument, assignment.sourceStart, assignment.sourceEnd); }
static MethodDeclaration createSetter(TypeDeclaration parent, EclipseNode fieldNode, String name, boolean shouldReturnThis, int modifier, EclipseNode sourceNode, List<Annotation> onMethod, List<Annotation> onParam) { FieldDeclaration field = (FieldDeclaration) fieldNode.get(); ASTNode source = sourceNode.get(); int pS = source.sourceStart, pE = source.sourceEnd; long p = (long)pS << 32 | pE; MethodDeclaration method = new MethodDeclaration(parent.compilationResult); method.modifiers = modifier; if (shouldReturnThis) { method.returnType = cloneSelfType(fieldNode, source); } if (method.returnType == null) { method.returnType = TypeReference.baseTypeReference(TypeIds.T_void, 0); method.returnType.sourceStart = pS; method.returnType.sourceEnd = pE; shouldReturnThis = false; } Annotation[] deprecated = null; if (isFieldDeprecated(fieldNode)) { deprecated = new Annotation[] { generateDeprecatedAnnotation(source) }; } method.annotations = copyAnnotations(source, onMethod.toArray(new Annotation[0]), deprecated); Argument param = new Argument(field.name, p, copyType(field.type, source), Modifier.FINAL); param.sourceStart = pS; param.sourceEnd = pE; method.arguments = new Argument[] { param }; method.selector = name.toCharArray(); method.binding = null; method.thrownExceptions = null; method.typeParameters = null; method.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG; Expression fieldRef = createFieldAccessor(fieldNode, FieldAccess.ALWAYS_FIELD, source); NameReference fieldNameRef = new SingleNameReference(field.name, p); Assignment assignment = new Assignment(fieldRef, fieldNameRef, (int)p); assignment.sourceStart = pS; assignment.sourceEnd = assignment.statementEnd = pE; method.bodyStart = method.declarationSourceStart = method.sourceStart = source.sourceStart; method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = source.sourceEnd; Annotation[] nonNulls = findAnnotations(field, NON_NULL_PATTERN); Annotation[] nullables = findAnnotations(field, NULLABLE_PATTERN); List<Statement> statements = new ArrayList<Statement>(5); if (nonNulls.length == 0) { statements.add(assignment); } else { Statement nullCheck = generateNullCheck(field, sourceNode); if (nullCheck != null) statements.add(nullCheck); statements.add(assignment); } if (shouldReturnThis) { ThisReference thisRef = new ThisReference(pS, pE); ReturnStatement returnThis = new ReturnStatement(thisRef, pS, pE); statements.add(returnThis); } method.statements = statements.toArray(new Statement[0]); param.annotations = copyAnnotations(source, nonNulls, nullables, onParam.toArray(new Annotation[0])); method.traverse(new SetGeneratedByVisitor(source), parent.scope); return method; }
@Override public boolean visit(Assignment node, BlockScope scope) { fixPositions(setGeneratedBy(node, source)); return super.visit(node, scope); }
public static ConstructorDeclaration createConstructor( AccessLevel level, EclipseNode type, Collection<EclipseNode> fields, Boolean suppressConstructorProperties, EclipseNode sourceNode, List<Annotation> onConstructor) { ASTNode source = sourceNode.get(); TypeDeclaration typeDeclaration = ((TypeDeclaration)type.get()); long p = (long)source.sourceStart << 32 | source.sourceEnd; boolean isEnum = (((TypeDeclaration)type.get()).modifiers & ClassFileConstants.AccEnum) != 0; if (isEnum) level = AccessLevel.PRIVATE; if (suppressConstructorProperties == null) { if (fields.isEmpty()) { suppressConstructorProperties = false; } else { suppressConstructorProperties = Boolean.TRUE.equals(type.getAst().readConfiguration(ConfigurationKeys.ANY_CONSTRUCTOR_SUPPRESS_CONSTRUCTOR_PROPERTIES)); } } ConstructorDeclaration constructor = new ConstructorDeclaration( ((CompilationUnitDeclaration) type.top().get()).compilationResult); constructor.modifiers = toEclipseModifier(level); constructor.selector = typeDeclaration.name; constructor.constructorCall = new ExplicitConstructorCall(ExplicitConstructorCall.ImplicitSuper); constructor.constructorCall.sourceStart = source.sourceStart; constructor.constructorCall.sourceEnd = source.sourceEnd; constructor.thrownExceptions = null; constructor.typeParameters = null; constructor.bits |= ECLIPSE_DO_NOT_TOUCH_FLAG; constructor.bodyStart = constructor.declarationSourceStart = constructor.sourceStart = source.sourceStart; constructor.bodyEnd = constructor.declarationSourceEnd = constructor.sourceEnd = source.sourceEnd; constructor.arguments = null; List<Argument> params = new ArrayList<Argument>(); List<Statement> assigns = new ArrayList<Statement>(); List<Statement> nullChecks = new ArrayList<Statement>(); for (EclipseNode fieldNode : fields) { FieldDeclaration field = (FieldDeclaration) fieldNode.get(); char[] rawName = field.name; char[] fieldName = removePrefixFromField(fieldNode); FieldReference thisX = new FieldReference(rawName, p); thisX.receiver = new ThisReference((int)(p >> 32), (int)p); SingleNameReference assignmentNameRef = new SingleNameReference(fieldName, p); Assignment assignment = new Assignment(thisX, assignmentNameRef, (int)p); assignment.sourceStart = (int)(p >> 32); assignment.sourceEnd = assignment.statementEnd = (int)(p >> 32); assigns.add(assignment); long fieldPos = (((long)field.sourceStart) << 32) | field.sourceEnd; Argument parameter = new Argument(fieldName, fieldPos, copyType(field.type, source), Modifier.FINAL); Annotation[] nonNulls = findAnnotations(field, NON_NULL_PATTERN); Annotation[] nullables = findAnnotations(field, NULLABLE_PATTERN); if (nonNulls.length != 0) { Statement nullCheck = generateNullCheck(field, sourceNode); if (nullCheck != null) nullChecks.add(nullCheck); } parameter.annotations = copyAnnotations(source, nonNulls, nullables); params.add(parameter); } nullChecks.addAll(assigns); constructor.statements = nullChecks.isEmpty() ? null : nullChecks.toArray(new Statement[nullChecks.size()]); constructor.arguments = params.isEmpty() ? null : params.toArray(new Argument[params.size()]); /* Generate annotations that must be put on the generated method, and attach them. */ { Annotation[] constructorProperties = null; if (!suppressConstructorProperties && level != AccessLevel.PRIVATE && level != AccessLevel.PACKAGE && !isLocalType(type)) { constructorProperties = createConstructorProperties(source, fields); } constructor.annotations = copyAnnotations(source, onConstructor.toArray(new Annotation[0]), constructorProperties); } constructor.traverse(new SetGeneratedByVisitor(source), typeDeclaration.scope); return constructor; }
public boolean visit(Assignment assignment, BlockScope scope) { addRealFragment(assignment); return false; }
@Override public void endVisit(Assignment x, BlockScope scope) { pushBinaryOp(x, JBinaryOperator.ASG); }
protected void pushBinaryOp(Assignment x, JBinaryOperator op) { pushBinaryOp(x, op, x.lhs, x.expression); }
@Override public boolean visit(Assignment node, BlockScope scope) { setGeneratedBy(node, source); applyOffsetExpression(node); return super.visit(node, scope); }
