Class DeclareVariablesTransform

java.lang.Object

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

All Implemented Interfaces:

IAstTransform

public class DeclareVariablesTransform
extends Object
implements IAstTransform

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	DeclareVariablesTransform.AnalysisResult
private static final class	DeclareVariablesTransform.IsSingleAssignmentVisitor
private static final class	DeclareVariablesTransform.ParameterAssignmentVisitor
protected static final class	DeclareVariablesTransform.VariableToDeclare

Field Summary

Fields

Modifier and Type	Field	Description
protected final DecompilerContext	context
protected final List<DeclareVariablesTransform.VariableToDeclare>	variablesToDeclare

Constructor Summary

Constructors

Constructor	Description
DeclareVariablesTransform(DecompilerContext context)

Method Summary

Modifier and Type	Method	Description
private DeclareVariablesTransform.AnalysisResult	analyze(DeclareVariablesTransform.VariableToDeclare v, AstNode scope)
private static boolean	canMoveVariableIntoSubBlock(DefiniteAssignmentAnalysis analysis, BlockStatement block, Statement statement, String variableName, boolean allowPassIntoLoops)
private static boolean	canRedeclareVariable(DefiniteAssignmentAnalysis analysis, BlockStatement block, AstNode node, String variableName)
private void	declareVariableInBlock(DefiniteAssignmentAnalysis analysis, BlockStatement block, AstType type, String variableName, Variable variable, boolean allowPassIntoLoops)
static boolean	findDeclarationPoint(DefiniteAssignmentAnalysis analysis, VariableDeclarationStatement declaration, BlockStatement block, StrongBox<Statement> declarationPoint, Statement skipUpThrough)
(package private) static boolean	findDeclarationPoint(DefiniteAssignmentAnalysis analysis, String variableName, boolean allowPassIntoLoops, BlockStatement block, StrongBox<Statement> declarationPoint, Statement skipUpThrough)
private static boolean	hasNestedBlocks(AstNode node)
void	run(AstNode node)
private void	run(AstNode node, DefiniteAssignmentAnalysis daa)
private boolean	tryConvertAssignmentExpressionIntoVariableDeclaration(BlockStatement block, Expression expression, AstType type, String variableName)
private boolean	tryConvertAssignmentExpressionIntoVariableDeclaration(BlockStatement block, Statement declarationPoint, AstType type, String variableName)
private static boolean	usesVariable(AstNode node, String variableName)

Methods inherited from class Object

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

Field Details

variablesToDeclare

protected final List<DeclareVariablesTransform.VariableToDeclare> variablesToDeclare

context

protected final DecompilerContext context

Constructor Details

DeclareVariablesTransform

public DeclareVariablesTransform(DecompilerContext context)

Method Details

run

public void run(AstNode node)

Specified by:

run in interface IAstTransform

analyze

private DeclareVariablesTransform.AnalysisResult analyze(DeclareVariablesTransform.VariableToDeclare v,
 AstNode scope)

run

private void run(AstNode node,
 DefiniteAssignmentAnalysis daa)

declareVariableInBlock

private void declareVariableInBlock(DefiniteAssignmentAnalysis analysis,
 BlockStatement block,
 AstType type,
 String variableName,
 Variable variable,
 boolean allowPassIntoLoops)

findDeclarationPoint

public static boolean findDeclarationPoint(DefiniteAssignmentAnalysis analysis,
 VariableDeclarationStatement declaration,
 BlockStatement block,
 StrongBox<Statement> declarationPoint,
 Statement skipUpThrough)

findDeclarationPoint

static boolean findDeclarationPoint(DefiniteAssignmentAnalysis analysis,
 String variableName,
 boolean allowPassIntoLoops,
 BlockStatement block,
 StrongBox<Statement> declarationPoint,
 Statement skipUpThrough)

canMoveVariableIntoSubBlock

private static boolean canMoveVariableIntoSubBlock(DefiniteAssignmentAnalysis analysis,
 BlockStatement block,
 Statement statement,
 String variableName,
 boolean allowPassIntoLoops)

usesVariable

private static boolean usesVariable(AstNode node,
 String variableName)

canRedeclareVariable

private static boolean canRedeclareVariable(DefiniteAssignmentAnalysis analysis,
 BlockStatement block,
 AstNode node,
 String variableName)

hasNestedBlocks

private static boolean hasNestedBlocks(AstNode node)

tryConvertAssignmentExpressionIntoVariableDeclaration

private boolean tryConvertAssignmentExpressionIntoVariableDeclaration(BlockStatement block,
 Statement declarationPoint,
 AstType type,
 String variableName)

tryConvertAssignmentExpressionIntoVariableDeclaration

private boolean tryConvertAssignmentExpressionIntoVariableDeclaration(BlockStatement block,
 Expression expression,
 AstType type,
 String variableName)