Class ConvertLoopsTransform

java.lang.Object

com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor<Void,AstNode>

com.strobel.decompiler.languages.java.ast.ContextTrackingVisitor<AstNode>

com.strobel.decompiler.languages.java.ast.transforms.ConvertLoopsTransform

All Implemented Interfaces:

IAstVisitor<Void,AstNode>, IAstTransform

public final class ConvertLoopsTransform
extends ContextTrackingVisitor<AstNode>

Field Summary

Fields

Modifier and Type	Field	Description
private static final ExpressionStatement	ARRAY_INIT_PATTERN
private static final WhileStatement	CONTINUE_OUTER_PATTERN
private static final WhileStatement	DO_WHILE_PATTERN
private static final WhileStatement	EMPTY_FOR_EACH_PATTERN
private static final Statement[]	EMPTY_STATEMENTS
private static final ForStatement	FOR_ARRAY_PATTERN_1
private static final ForStatement	FOR_ARRAY_PATTERN_2
private static final ForStatement	FOR_ARRAY_PATTERN_3
private static final WhileStatement	FOR_EACH_PATTERN
private static final ExpressionStatement	GET_ITERATOR_PATTERN

Fields inherited from class ContextTrackingVisitor

context

Constructor Summary

Constructors

Constructor	Description
ConvertLoopsTransform(DecompilerContext context)

Method Summary

Modifier and Type	Method	Description
private boolean	canConvertWhileToDoWhile(WhileStatement loop, ContinueStatement continueStatement)
private Statement	canInlineInitializerDeclarations(ForStatement forLoop)
(package private) static Statement	canMoveVariableDeclarationIntoStatement(DecompilerContext context, VariableDeclarationStatement declaration, Statement targetStatement)
(package private) static VariableDeclarationStatement	findVariableDeclaration(AstNode node, String identifier)
private static boolean	hasNestedBlocks(AstNode node)
private static boolean	isSimpleIterator(Statement statement)
final WhileStatement	transformContinueOuter(WhileStatement loop)
final DoWhileStatement	transformDoWhile(WhileStatement loop)
final ForStatement	transformFor(WhileStatement node)
final ForEachStatement	transformForEach(ExpressionStatement node)
final ForEachStatement	transformForEachInArray(ForStatement loop)
protected AstNode	visitChildren(AstNode node, Void data)
AstNode	visitExpressionStatement(ExpressionStatement node, Void data)
AstNode	visitWhileStatement(WhileStatement node, Void data)

Methods inherited from class ContextTrackingVisitor

inConstructor, inMethod, inStaticInitializer, makeType, makeType, resolver, run, visitConstructorDeclaration, visitMethodDeclaration, visitMethodDeclarationOverride, visitTypeDeclaration, visitTypeDeclarationOverride

Methods inherited from class DepthFirstAstVisitor

shouldContinue, visitAnnotation, visitAnonymousObjectCreationExpression, visitArrayCreationExpression, visitArrayInitializerExpression, visitArraySpecifier, visitAssertStatement, visitAssignmentExpression, visitBinaryOperatorExpression, visitBlockStatement, visitBreakStatement, visitBytecodeConstant, visitCaseLabel, visitCastExpression, visitCatchClause, visitClassOfExpression, visitComment, visitCompilationUnit, visitComposedType, visitConditionalExpression, visitContinueStatement, visitDoWhileStatement, visitEmptyStatement, visitEnumValueDeclaration, visitFieldDeclaration, visitForEachStatement, visitForStatement, visitGotoStatement, visitIdentifier, visitIdentifierExpression, visitIfElseStatement, visitImportDeclaration, visitIndexerExpression, visitInitializerBlock, visitInlinedBytecode, visitInstanceOfExpression, visitIntersectionType, visitInvocationExpression, visitJavaTokenNode, visitLabeledStatement, visitLabelStatement, visitLambdaExpression, visitLocalTypeDeclarationStatement, visitMemberReferenceExpression, visitMethodGroupExpression, visitModuleDeclaration, visitNewLine, visitNullReferenceExpression, visitObjectCreationExpression, visitPackageDeclaration, visitParameterDeclaration, visitParenthesizedExpression, visitPatternPlaceholder, visitPrimitiveExpression, visitReturnStatement, visitSimpleType, visitSuperReferenceExpression, visitSwitchExpression, visitSwitchExpressionArm, visitSwitchSection, visitSwitchStatement, visitSynchronizedStatement, visitText, visitThisReferenceExpression, visitThrowStatement, visitTryCatchStatement, visitTypeParameterDeclaration, visitTypeReference, visitUnaryOperatorExpression, visitUnionType, visitVariableDeclaration, visitVariableInitializer, visitWildcardType

Methods inherited from class Object

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

Field Details

EMPTY_STATEMENTS

private static final Statement[] EMPTY_STATEMENTS

ARRAY_INIT_PATTERN

private static final ExpressionStatement ARRAY_INIT_PATTERN

FOR_ARRAY_PATTERN_1

private static final ForStatement FOR_ARRAY_PATTERN_1

FOR_ARRAY_PATTERN_2

private static final ForStatement FOR_ARRAY_PATTERN_2

FOR_ARRAY_PATTERN_3

private static final ForStatement FOR_ARRAY_PATTERN_3

GET_ITERATOR_PATTERN

private static final ExpressionStatement GET_ITERATOR_PATTERN

FOR_EACH_PATTERN

private static final WhileStatement FOR_EACH_PATTERN

EMPTY_FOR_EACH_PATTERN

private static final WhileStatement EMPTY_FOR_EACH_PATTERN

DO_WHILE_PATTERN

private static final WhileStatement DO_WHILE_PATTERN

CONTINUE_OUTER_PATTERN

private static final WhileStatement CONTINUE_OUTER_PATTERN

Constructor Details

ConvertLoopsTransform

public ConvertLoopsTransform(DecompilerContext context)

Method Details

visitChildren

protected AstNode visitChildren(AstNode node,
 Void data)

Overrides:

visitChildren in class DepthFirstAstVisitor<Void,AstNode>

visitExpressionStatement

public AstNode visitExpressionStatement(ExpressionStatement node,
 Void data)

Specified by:

visitExpressionStatement in interface IAstVisitor<Void,AstNode>

Overrides:

visitExpressionStatement in class DepthFirstAstVisitor<Void,AstNode>

visitWhileStatement

public AstNode visitWhileStatement(WhileStatement node,
 Void data)

Specified by:

visitWhileStatement in interface IAstVisitor<Void,AstNode>

Overrides:

visitWhileStatement in class DepthFirstAstVisitor<Void,AstNode>

transformFor

public final ForStatement transformFor(WhileStatement node)

hasNestedBlocks

private static boolean hasNestedBlocks(AstNode node)

isSimpleIterator

private static boolean isSimpleIterator(Statement statement)

canInlineInitializerDeclarations

private Statement canInlineInitializerDeclarations(ForStatement forLoop)

transformForEachInArray

public final ForEachStatement transformForEachInArray(ForStatement loop)

transformForEach

public final ForEachStatement transformForEach(ExpressionStatement node)

transformDoWhile

public final DoWhileStatement transformDoWhile(WhileStatement loop)

canConvertWhileToDoWhile

private boolean canConvertWhileToDoWhile(WhileStatement loop,
 ContinueStatement continueStatement)

transformContinueOuter

public final WhileStatement transformContinueOuter(WhileStatement loop)

findVariableDeclaration

static VariableDeclarationStatement findVariableDeclaration(AstNode node,
 String identifier)

canMoveVariableDeclarationIntoStatement

static Statement canMoveVariableDeclarationIntoStatement(DecompilerContext context,
 VariableDeclarationStatement declaration,
 Statement targetStatement)