Package jadx.core.utils

Class RegionUtils

java.lang.Object

jadx.core.utils.RegionUtils

public class RegionUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method	Description
static java.util.List<InsnNode>	collectInsns(MethodNode mth, IContainer container)
static void	getAllRegionBlocks(IContainer container, java.util.Set<IBlock> blocks)
static IContainer	getBlockContainer(IContainer container, BlockNode block)
static java.util.List<IContainer>	getExcHandlersForRegion(IContainer region)
static @Nullable InsnNode	getFirstInsn(IContainer container)
static int	getFirstSourceLine(IContainer container)
static IBlock	getLastBlock(IContainer container)
static InsnNode	getLastInsn(IContainer container)
static @Nullable IContainer	getNextContainer(MethodNode mth, IRegion region)
static IContainer	getSingleSubBlock(IContainer container)
static boolean	hasBreakInsn(IContainer container)
static boolean	hasExitBlock(IContainer container)	Return true if last block in region has no successors or jump out insn (return or break)
static boolean	hasExitEdge(IContainer container)
static boolean	hasPathThroughBlock(BlockNode block, IContainer cont)
static int	insnsCount(IContainer container)
static boolean	isBlocksInSameRegion(MethodNode mth, BlockNode firstBlock, BlockNode secondBlock)	Check if two blocks in same region on same level TODO: Add 'region' annotation to all blocks to speed up checks
static boolean	isDominatedBy(BlockNode dom, IContainer cont)
static boolean	isEmpty(IContainer container)
static boolean	isExitBlock(MethodNode mth, IContainer container)
static boolean	isRegionContainsBlock(IContainer container, BlockNode block)
static boolean	isRegionContainsRegion(IContainer container, IRegion region)	Check if region contains in container.
static boolean	notEmpty(@Nullable IContainer container)
protected static java.lang.String	unknownContainerType(IContainer container)
static void	visitBlocks(MethodNode mth, IContainer container, java.util.function.Consumer<IBlock> visitor)
static void	visitRegions(MethodNode mth, IContainer container, java.util.function.Predicate<IRegion> visitor)

Methods inherited from class java.lang.Object

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

Method Detail

hasExitEdge

public static boolean hasExitEdge(IContainer container)

getFirstInsn

@Nullable
public static @Nullable InsnNode getFirstInsn(IContainer container)

getFirstSourceLine

public static int getFirstSourceLine(IContainer container)

getLastInsn

public static InsnNode getLastInsn(IContainer container)

getLastBlock

public static IBlock getLastBlock(IContainer container)

isExitBlock

public static boolean isExitBlock(MethodNode mth,
                                  IContainer container)

hasExitBlock

public static boolean hasExitBlock(IContainer container)

Return true if last block in region has no successors or jump out insn (return or break)

hasBreakInsn

public static boolean hasBreakInsn(IContainer container)

insnsCount

public static int insnsCount(IContainer container)

collectInsns

public static java.util.List<InsnNode> collectInsns(MethodNode mth,
                                                    IContainer container)

isEmpty

public static boolean isEmpty(IContainer container)

notEmpty

public static boolean notEmpty(@Nullable
                               @Nullable IContainer container)

getAllRegionBlocks

public static void getAllRegionBlocks(IContainer container,
                                      java.util.Set<IBlock> blocks)

isRegionContainsBlock

public static boolean isRegionContainsBlock(IContainer container,
                                            BlockNode block)

getSingleSubBlock

public static IContainer getSingleSubBlock(IContainer container)

getExcHandlersForRegion

public static java.util.List<IContainer> getExcHandlersForRegion(IContainer region)

isRegionContainsRegion

public static boolean isRegionContainsRegion(IContainer container,
                                             IRegion region)

Check if region contains in container.
For simple region (not from exception handlers) search in parents otherwise run recursive search because exception handlers can have several parents

getBlockContainer

public static IContainer getBlockContainer(IContainer container,
                                           BlockNode block)

isBlocksInSameRegion

public static boolean isBlocksInSameRegion(MethodNode mth,
                                           BlockNode firstBlock,
                                           BlockNode secondBlock)

Check if two blocks in same region on same level TODO: Add 'region' annotation to all blocks to speed up checks

isDominatedBy

public static boolean isDominatedBy(BlockNode dom,
                                    IContainer cont)

hasPathThroughBlock

public static boolean hasPathThroughBlock(BlockNode block,
                                          IContainer cont)

unknownContainerType

protected static java.lang.String unknownContainerType(IContainer container)

visitBlocks

public static void visitBlocks(MethodNode mth,
                               IContainer container,
                               java.util.function.Consumer<IBlock> visitor)

visitRegions

public static void visitRegions(MethodNode mth,
                                IContainer container,
                                java.util.function.Predicate<IRegion> visitor)

getNextContainer

@Nullable
public static @Nullable IContainer getNextContainer(MethodNode mth,
                                                    IRegion region)