Class SwitchEnumRewriter

java.lang.Object

org.benf.cfr.reader.bytecode.analysis.opgraph.op4rewriters.SwitchEnumRewriter

All Implemented Interfaces:

Op04Rewriter

public class SwitchEnumRewriter
extends Object
implements Op04Rewriter

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	SwitchEnumRewriter.EclipseVarResultCollector
private static class	SwitchEnumRewriter.SwitchEnumMatchResultCollector
private class	SwitchEnumRewriter.SwitchForeignEnumMatchResultCollector

Field Summary

Fields

Modifier and Type	Field	Description
private final BlockIdentifierFactory	blockIdentifierFactory
private final ClassFile	classFile
private final ClassFileVersion	classFileVersion
private final DCCommonState	dcCommonState
private static final JavaTypeInstance	expectedLUTType

Constructor Summary

Constructors

Constructor	Description
SwitchEnumRewriter(DCCommonState dcCommonState, ClassFile classFile, BlockIdentifierFactory blockIdentifierFactory)

Method Summary

Modifier and Type	Method	Description
private KleeneStar	getEnumSugarKleeneStar(LValue lookupTable, Expression enumObject, WildcardMatch wcm)
private Integer	getIntegerFromLiteralExpression(Expression exp)
private List<StructuredStatement>	getLookupMethodStatements(Method lutStaticInit)
private boolean	replaceIndexedSwitch(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc, boolean expression, Expression enumObject, SwitchEnumRewriter.SwitchForeignEnumMatchResultCollector matchResultCollector)
void	rewrite(Op04StructuredStatement root)
private void	tryRewrite(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc, boolean expression)
private void	tryRewriteEclipse(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc, StaticFunctionInvokation lookupFn, boolean expression)
private void	tryRewriteJavac(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc, LValue lookupTable, boolean expression)

Methods inherited from class Object

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

Field Details

dcCommonState

private final DCCommonState dcCommonState

classFile

private final ClassFile classFile

classFileVersion

private final ClassFileVersion classFileVersion

blockIdentifierFactory

private final BlockIdentifierFactory blockIdentifierFactory

expectedLUTType

private static final JavaTypeInstance expectedLUTType

Constructor Details

SwitchEnumRewriter

public SwitchEnumRewriter(DCCommonState dcCommonState,
 ClassFile classFile,
 BlockIdentifierFactory blockIdentifierFactory)

Method Details

rewrite

public void rewrite(Op04StructuredStatement root)

Specified by:

rewrite in interface Op04Rewriter

tryRewrite

private void tryRewrite(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc,
 boolean expression)

tryRewriteEclipse

private void tryRewriteEclipse(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc,
 StaticFunctionInvokation lookupFn,
 boolean expression)

tryRewriteJavac

private void tryRewriteJavac(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc,
 LValue lookupTable,
 boolean expression)

replaceIndexedSwitch

private boolean replaceIndexedSwitch(SwitchEnumRewriter.SwitchEnumMatchResultCollector mrc,
 boolean expression,
 Expression enumObject,
 SwitchEnumRewriter.SwitchForeignEnumMatchResultCollector matchResultCollector)

getEnumSugarKleeneStar

private KleeneStar getEnumSugarKleeneStar(LValue lookupTable,
 Expression enumObject,
 WildcardMatch wcm)

getLookupMethodStatements

private List<StructuredStatement> getLookupMethodStatements(Method lutStaticInit)

getIntegerFromLiteralExpression

private Integer getIntegerFromLiteralExpression(Expression exp)