edu.rice.cs.javalanglevels
Class ConstructorBodyTypeChecker

java.lang.Object
  edu.rice.cs.javalanglevels.tree.JExpressionIFDepthFirstVisitor<TypeData>
      edu.rice.cs.javalanglevels.TypeChecker
          edu.rice.cs.javalanglevels.Bob
              edu.rice.cs.javalanglevels.BodyTypeChecker
                  edu.rice.cs.javalanglevels.ConstructorBodyTypeChecker

All Implemented Interfaces:

JExpressionIFVisitor<TypeData>

public class ConstructorBodyTypeChecker
extends BodyTypeChecker

Do the TypeChecking appropriate to the context of a constructor body. Common to all Language Levels.

Nested Class Summary

static class

ConstructorBodyTypeChecker.ConstructorBodyTypeCheckerTest Test the methods in the above class.

Nested classes/interfaces inherited from class edu.rice.cs.javalanglevels.BodyTypeChecker

BodyTypeChecker.BodyTypeCheckerTest

Nested classes/interfaces inherited from class edu.rice.cs.javalanglevels.Bob

Bob.BobTest

Nested classes/interfaces inherited from class edu.rice.cs.javalanglevels.TypeChecker

TypeChecker.TypeCheckerTest

Field Summary

Fields inherited from class edu.rice.cs.javalanglevels.BodyTypeChecker

_bodyData

Fields inherited from class edu.rice.cs.javalanglevels.Bob

_data, _thrown, _vars, thingsThatHaveBeenAssigned

Fields inherited from class edu.rice.cs.javalanglevels.TypeChecker

_log

Constructor Summary

ConstructorBodyTypeChecker(BodyData bodyData, File file, String packageName, LinkedList<String> importedFiles, LinkedList<String> importedPackages, LinkedList<VariableData> vars, LinkedList<Pair<SymbolData,JExpression>> thrown)

Method Summary

TypeData	complexSuperConstructorInvocationAllowed(ComplexSuperConstructorInvocation that) This is used in the case where a complex super constructor invocation is allowed i.e.
TypeData	complexThisConstructorInvocationNotAllowed(ComplexThisConstructorInvocation that) ComplexThisConstructorInvocations are not ever allowed--throw an appropriate error.
protected BodyTypeChecker	createANewInstanceOfMe(BodyData bodyData, File file, String pakage, LinkedList<String> importedFiles, LinkedList<String> importedPackages, LinkedList<VariableData> vars, LinkedList<Pair<SymbolData,JExpression>> thrown) Create a new instance of this class for visiting inner bodies.
TypeData	forBracedBody(BracedBody that) Walk over the statements in the BracedBody, but treat the first line specially.
TypeData	forValueReturnStatementOnly(ValueReturnStatement that, TypeData value_result) Throw an error and return null, becuase constructors cannot have value return statements in their bodies.
TypeData	forVoidReturnStatementOnly(VoidReturnStatement that) Void return statements are allowed in constructor bodies, since according to java, constructors are void return methods.
TypeData	simpleSuperConstructorInvocationAllowed(SimpleSuperConstructorInvocation that) This is used in the case where a simple super constructor invocation is allowed i.e.
TypeData	simpleThisConstructorInvocationAllowed(SimpleThisConstructorInvocation that) This is used in the case where a simple this constructor invocation is allowed.

Methods inherited from class edu.rice.cs.javalanglevels.BodyTypeChecker

_getData, checkDuplicateExceptions, compareThrownAndCaught, forBlock, forBodyOnly, forBracedBodyOnly, forCatchBlock, forCatchBlockOnly, forDefaultCase, forDoStatement, forDoStatementOnly, forForStatement, forForStatementOnly, forIfThenElseStatement, forIfThenElseStatementOnly, forIfThenStatement, forIfThenStatementOnly, forInstanceInitializer, forLabeledCase, forNormalTryCatchStatement, forNormalTryCatchStatementOnly, forSimpleSuperReferenceOnly, forSimpleThisReferenceOnly, forSwitchCase, forSwitchStatement, forSwitchStatementOnly, forTryCatchFinallyStatement, forTryCatchFinallyStatementOnly, forTypeOnly, forUnbracedBodyOnly, forUninitializedVariableDeclaratorOnly, forValueReturnStatement, forWhileStatement, forWhileStatementOnly, getCommonSuperType, isException, isUncaughtCheckedException, makeSureCaughtStuffWasThrown, tryCatchLeastRestrictiveType

Methods inherited from class edu.rice.cs.javalanglevels.Bob

canBeAssigned, findClassReference, forArrayInitializerHelper, forBody, forExpressionStatement, forFormalParameter, forInitializedVariableDeclarator, forInitializedVariableDeclaratorOnly, forInnerClassDef, forInnerInterfaceDef, forLabeledStatement, forStaticInitializer, forSynchronizedStatement, forThrowStatement, forThrowStatementOnly, forUnbracedBody, forUninitializedVariableDeclarator, forVariableDeclaration, getArgTypesForInvocation, handleMethodInvocation, handleUncheckedException, inStaticMethod, isCheckedException

Methods inherited from class edu.rice.cs.javalanglevels.TypeChecker

_addError, _checkAbstractMethods, _getMatchingMethods, _isAssignableFrom, _isAssignableFromWithoutAutoboxing, _lookupMethod, _lookupMethodHelper, _lookupMethodHelper, assertFound, assertInstanceType, checkAccessibility, checkAccessibility, checkAccessibility, checkForCyclicInheritance, cloneVariableDataList, defaultCase, forBlockOnly, forBreakStatementOnly, forCastExpression, forClassDef, forClassDefOnly, forClassImportStatement, forConcreteMethodDefOnly, forContinueStatementOnly, forExpressionStatementOnly, forInnerClassDefOnly, forInnerInterfaceDefOnly, forInstanceInitializerOnly, forInterfaceDef, forInterfaceDefOnly, forLabeledStatementOnly, forMethodDefOnly, forPackageStatement, forPrimitiveType, forReturnStatementOnly, forStaticInitializerOnly, forSwitchStatementOnly, forTryCatchStatementOnly, getCommonSuperTypeBaseCase, getFieldOrVariable, getFieldOrVariable, getFieldOrVariable, getFieldOrVariable, getQualifiedClassName, getSymbolData, getSymbolData, getSymbolData, getSymbolData, makeArrayOfRetType, notRightPackage

Methods inherited from class edu.rice.cs.javalanglevels.tree.JExpressionIFDepthFirstVisitor

forAbstractMethodDef, forAbstractMethodDefOnly, forAndExpression, forAndExpressionOnly, forAnonymousClassInstantiationOnly, forArrayAccess, forArrayAccessOnly, forArrayInitializer, forArrayInitializerOnly, forArrayInstantiationOnly, forArrayType, forArrayTypeOnly, forAssignmentExpressionOnly, forBinaryExpressionOnly, forBitwiseAndAssignmentExpression, forBitwiseAndAssignmentExpressionOnly, forBitwiseAndExpression, forBitwiseAndExpressionOnly, forBitwiseAssignmentExpressionOnly, forBitwiseBinaryExpressionOnly, forBitwiseNotExpression, forBitwiseNotExpressionOnly, forBitwiseOrAssignmentExpression, forBitwiseOrAssignmentExpressionOnly, forBitwiseOrExpression, forBitwiseOrExpressionOnly, forBitwiseXorAssignmentExpression, forBitwiseXorAssignmentExpressionOnly, forBitwiseXorExpression, forBitwiseXorExpressionOnly, forBlockOnly, forBooleanExpressionOnly, forBooleanLiteral, forBooleanLiteralOnly, forCastExpressionOnly, forCatchBlockOnly, forCharLiteral, forCharLiteralOnly, forClassImportStatementOnly, forClassInstantiationOnly, forClassLiteral, forClassLiteralOnly, forClassOrInterfaceType, forClassOrInterfaceTypeOnly, forComparisonExpressionOnly, forComplexAnonymousClassInstantiation, forComplexAnonymousClassInstantiationOnly, forComplexInitializedArrayInstantiation, forComplexInitializedArrayInstantiationOnly, forComplexMethodInvocation, forComplexMethodInvocationOnly, forComplexNamedClassInstantiation, forComplexNamedClassInstantiationOnly, forComplexNameReference, forComplexNameReferenceOnly, forComplexSuperConstructorInvocation, forComplexSuperConstructorInvocationOnly, forComplexSuperReference, forComplexSuperReferenceOnly, forComplexThisConstructorInvocation, forComplexThisConstructorInvocationOnly, forComplexThisReference, forComplexThisReferenceOnly, forComplexUninitializedArrayInstantiation, forComplexUninitializedArrayInstantiationOnly, forCompoundWord, forCompoundWordOnly, forConcreteMethodDef, forConcreteMethodDefOnly, forConditionalExpression, forConditionalExpressionOnly, forConstructorDef, forConstructorDefOnly, forDefaultCaseOnly, forDimensionExpressionList, forDimensionExpressionListOnly, forDivideAssignmentExpression, forDivideAssignmentExpressionOnly, forDivideExpression, forDivideExpressionOnly, forDoubleLiteral, forDoubleLiteralOnly, forEmptyExpression, forEmptyExpressionOnly, forEmptyForCondition, forEmptyForConditionOnly, forEmptyStatement, forEmptyStatementOnly, forEqualityExpressionOnly, forEqualsExpression, forEqualsExpressionOnly, forExpressionListOnly, forExpressionOnly, forFloatLiteral, forFloatLiteralOnly, forFormalParameterOnly, forFunctionInvocationOnly, forGreaterThanExpression, forGreaterThanExpressionOnly, forGreaterThanOrEqualExpression, forGreaterThanOrEqualExpressionOnly, forImportStatementOnly, forIncrementExpressionOnly, forInitializedArrayInstantiationOnly, forInitializerOnly, forInstanceofExpression, forInstanceofExpressionOnly, forInstantiationOnly, forIntegerLiteral, forIntegerLiteralOnly, forJExpressionOnly, forLabeledBreakStatement, forLabeledBreakStatementOnly, forLabeledCaseOnly, forLabeledContinueStatement, forLabeledContinueStatementOnly, forLabeledStatementOnly, forLeftShiftAssignmentExpression, forLeftShiftAssignmentExpressionOnly, forLeftShiftExpression, forLeftShiftExpressionOnly, forLessThanExpression, forLessThanExpressionOnly, forLessThanOrEqualExpression, forLessThanOrEqualExpressionOnly, forLexicalLiteralOnly, forLongLiteral, forLongLiteralOnly, forMemberType, forMemberTypeOnly, forMethodDefOnly, forMethodInvocationOnly, forMinusAssignmentExpression, forMinusAssignmentExpressionOnly, forMinusExpression, forMinusExpressionOnly, forModAssignmentExpression, forModAssignmentExpressionOnly, forModExpression, forModExpressionOnly, forModifiersAndVisibility, forModifiersAndVisibilityOnly, forMultiplyAssignmentExpression, forMultiplyAssignmentExpressionOnly, forMultiplyExpression, forMultiplyExpressionOnly, forNamedClassInstantiationOnly, forNameReferenceOnly, forNegativeExpression, forNegativeExpressionOnly, forNegativePostfixIncrementExpression, forNegativePostfixIncrementExpressionOnly, forNegativePrefixIncrementExpression, forNegativePrefixIncrementExpressionOnly, forNoOpExpression, forNoOpExpressionOnly, forNotEqualExpression, forNotEqualExpressionOnly, forNotExpression, forNotExpressionOnly, forNullLiteral, forNullLiteralOnly, forNumericAssignmentExpressionOnly, forNumericBinaryExpressionOnly, forNumericUnaryExpressionOnly, forOrExpression, forOrExpressionOnly, forPackageImportStatement, forPackageImportStatementOnly, forPackageStatementOnly, forParenthesized, forParenthesizedExpressionList, forParenthesizedExpressionListOnly, forParenthesizedOnly, forPlusAssignmentExpression, forPlusAssignmentExpressionOnly, forPlusExpression, forPlusExpressionOnly, forPositiveExpression, forPositiveExpressionOnly, forPositivePostfixIncrementExpression, forPositivePostfixIncrementExpressionOnly, forPositivePrefixIncrementExpression, forPositivePrefixIncrementExpressionOnly, forPostfixIncrementExpressionOnly, forPrefixIncrementExpressionOnly, forPrimaryOnly, forPrimitiveTypeOnly, forReferenceTypeOnly, forRightSignedShiftAssignmentExpression, forRightSignedShiftAssignmentExpressionOnly, forRightSignedShiftExpression, forRightSignedShiftExpressionOnly, forRightUnsignedShiftAssignmentExpression, forRightUnsignedShiftAssignmentExpressionOnly, forRightUnsignedShiftExpression, forRightUnsignedShiftExpressionOnly, forShiftAssignmentExpressionOnly, forShiftBinaryExpressionOnly, forSimpleAnonymousClassInstantiation, forSimpleAnonymousClassInstantiationOnly, forSimpleAssignmentExpression, forSimpleAssignmentExpressionOnly, forSimpleInitializedArrayInstantiation, forSimpleInitializedArrayInstantiationOnly, forSimpleMethodInvocation, forSimpleMethodInvocationOnly, forSimpleNamedClassInstantiation, forSimpleNamedClassInstantiationOnly, forSimpleNameReference, forSimpleNameReferenceOnly, forSimpleSuperConstructorInvocation, forSimpleSuperConstructorInvocationOnly, forSimpleSuperReference, forSimpleThisConstructorInvocation, forSimpleThisConstructorInvocationOnly, forSimpleThisReference, forSimpleUninitializedArrayInstantiation, forSimpleUninitializedArrayInstantiationOnly, forSourceFile, forSourceFileOnly, forStatementOnly, forStringLiteral, forStringLiteralOnly, forSuperConstructorInvocationOnly, forSuperReferenceOnly, forSwitchCaseOnly, forSynchronizedStatementOnly, forThisConstructorInvocationOnly, forThisReferenceOnly, forTypeDefBaseOnly, forTypeParameter, forTypeParameterOnly, forTypeVariable, forTypeVariableOnly, forUnaryExpressionOnly, forUninitializedArrayInstantiationOnly, forUnlabeledBreakStatement, forUnlabeledBreakStatementOnly, forUnlabeledContinueStatement, forUnlabeledContinueStatementOnly, forUnparenthesizedExpressionList, forUnparenthesizedExpressionListOnly, forVariableDeclarationOnly, forVariableDeclaratorOnly, forVariableReferenceOnly, forVoidReturn, forVoidReturnOnly, forVoidReturnStatement, forWord, forWordOnly

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface edu.rice.cs.javalanglevels.tree.JExpressionIFVisitor

forAbstractMethodDef, forAndExpression, forArrayAccess, forArrayInitializer, forArrayType, forBitwiseAndAssignmentExpression, forBitwiseAndExpression, forBitwiseNotExpression, forBitwiseOrAssignmentExpression, forBitwiseOrExpression, forBitwiseXorAssignmentExpression, forBitwiseXorExpression, forBooleanLiteral, forCharLiteral, forClassLiteral, forClassOrInterfaceType, forComplexAnonymousClassInstantiation, forComplexInitializedArrayInstantiation, forComplexMethodInvocation, forComplexNamedClassInstantiation, forComplexNameReference, forComplexSuperConstructorInvocation, forComplexSuperReference, forComplexThisConstructorInvocation, forComplexThisReference, forComplexUninitializedArrayInstantiation, forCompoundWord, forConcreteMethodDef, forConditionalExpression, forConstructorDef, forDimensionExpressionList, forDivideAssignmentExpression, forDivideExpression, forDoubleLiteral, forEmptyExpression, forEmptyForCondition, forEmptyStatement, forEqualsExpression, forFloatLiteral, forGreaterThanExpression, forGreaterThanOrEqualExpression, forInstanceofExpression, forIntegerLiteral, forLabeledBreakStatement, forLabeledContinueStatement, forLeftShiftAssignmentExpression, forLeftShiftExpression, forLessThanExpression, forLessThanOrEqualExpression, forLongLiteral, forMemberType, forMinusAssignmentExpression, forMinusExpression, forModAssignmentExpression, forModExpression, forModifiersAndVisibility, forMultiplyAssignmentExpression, forMultiplyExpression, forNegativeExpression, forNegativePostfixIncrementExpression, forNegativePrefixIncrementExpression, forNoOpExpression, forNotEqualExpression, forNotExpression, forNullLiteral, forOrExpression, forPackageImportStatement, forParenthesized, forParenthesizedExpressionList, forPlusAssignmentExpression, forPlusExpression, forPositiveExpression, forPositivePostfixIncrementExpression, forPositivePrefixIncrementExpression, forRightSignedShiftAssignmentExpression, forRightSignedShiftExpression, forRightUnsignedShiftAssignmentExpression, forRightUnsignedShiftExpression, forSimpleAnonymousClassInstantiation, forSimpleAssignmentExpression, forSimpleInitializedArrayInstantiation, forSimpleMethodInvocation, forSimpleNamedClassInstantiation, forSimpleNameReference, forSimpleSuperConstructorInvocation, forSimpleSuperReference, forSimpleThisConstructorInvocation, forSimpleThisReference, forSimpleUninitializedArrayInstantiation, forSourceFile, forStringLiteral, forTypeParameter, forTypeVariable, forUnlabeledBreakStatement, forUnlabeledContinueStatement, forUnparenthesizedExpressionList, forVoidReturn, forVoidReturnStatement, forWord

Constructor Detail

ConstructorBodyTypeChecker

public ConstructorBodyTypeChecker(BodyData bodyData,
                                  File file,
                                  String packageName,
                                  LinkedList<String> importedFiles,
                                  LinkedList<String> importedPackages,
                                  LinkedList<VariableData> vars,
                                  LinkedList<Pair<SymbolData,JExpression>> thrown)

Method Detail

createANewInstanceOfMe

protected BodyTypeChecker createANewInstanceOfMe(BodyData bodyData,
                                                 File file,
                                                 String pakage,
                                                 LinkedList<String> importedFiles,
                                                 LinkedList<String> importedPackages,
                                                 LinkedList<VariableData> vars,
                                                 LinkedList<Pair<SymbolData,JExpression>> thrown)

Create a new instance of this class for visiting inner bodies.

Overrides:

createANewInstanceOfMe in class BodyTypeChecker

simpleThisConstructorInvocationAllowed

public TypeData simpleThisConstructorInvocationAllowed(SimpleThisConstructorInvocation that)

This is used in the case where a simple this constructor invocation is allowed. i.e. when it is the first statement of a constructor body.

complexThisConstructorInvocationNotAllowed

public TypeData complexThisConstructorInvocationNotAllowed(ComplexThisConstructorInvocation that)

ComplexThisConstructorInvocations are not ever allowed--throw an appropriate error.

simpleSuperConstructorInvocationAllowed

public TypeData simpleSuperConstructorInvocationAllowed(SimpleSuperConstructorInvocation that)

This is used in the case where a simple super constructor invocation is allowed i.e. when it is the first statement of a constructor body.

complexSuperConstructorInvocationAllowed

public TypeData complexSuperConstructorInvocationAllowed(ComplexSuperConstructorInvocation that)

This is used in the case where a complex super constructor invocation is allowed i.e. when it is the first statement of a constructor body.

forVoidReturnStatementOnly

public TypeData forVoidReturnStatementOnly(VoidReturnStatement that)

Void return statements are allowed in constructor bodies, since according to java, constructors are void return methods. However, we treat them as if they returned an instance of the class they are a constructor for, so we will return that symbol data here.

Overrides:

forVoidReturnStatementOnly in class BodyTypeChecker

Returns:

the type the method is declared to return.

forValueReturnStatementOnly

public TypeData forValueReturnStatementOnly(ValueReturnStatement that,
                                            TypeData value_result)

Throw an error and return null, becuase constructors cannot have value return statements in their bodies.

Overrides:

forValueReturnStatementOnly in class BodyTypeChecker

forBracedBody

public TypeData forBracedBody(BracedBody that)

Walk over the statements in the BracedBody, but treat the first line specially. A super constructor invocation can only appear on the first line of a constructor, so see if there is one on the first line, and if so, call the appropriate method. If there is no super constructor invocation, then assume there is an implicit one. Then visit the rest of the statements in the body like normal. Make sure errors are thrown for any uncaught exceptions.

Specified by:

forBracedBody in interface JExpressionIFVisitor<TypeData>

Overrides:

forBracedBody in class Bob