Class ExplicitCallGraph

java.lang.Object

com.ibm.wala.util.graph.AbstractGraph<CGNode>

com.ibm.wala.util.graph.AbstractNumberedGraph<CGNode>

com.ibm.wala.ipa.callgraph.impl.BasicCallGraph<SSAContextInterpreter>

com.ibm.wala.ipa.callgraph.impl.ExplicitCallGraph

All Implemented Interfaces:

CallGraph, BytecodeConstants, EdgeManager<CGNode>, Graph<CGNode>, NodeManager<CGNode>, NumberedEdgeManager<CGNode>, NumberedGraph<CGNode>, NumberedNodeManager<CGNode>, Iterable<CGNode>

Direct Known Subclasses:

AstCallGraph, DelegatingExplicitCallGraph

public class ExplicitCallGraph
extends BasicCallGraph<SSAContextInterpreter>
implements BytecodeConstants

A call graph which explicitly holds the target for each call site in each node.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	ExplicitCallGraph.ExplicitEdgeManager
class	ExplicitCallGraph.ExplicitNode

Nested classes/interfaces inherited from class BasicCallGraph

BasicCallGraph.Key, BasicCallGraph.NodeImpl

Field Summary

Fields

Modifier and Type	Field	Description
protected final IClassHierarchy	cha
protected final AnalysisOptions	options

Fields inherited from class BasicCallGraph

mr2Nodes

Fields inherited from interface BytecodeConstants

JBC_aaload, JBC_aastore, JBC_aconst_null, JBC_aload, JBC_aload_0, JBC_aload_1, JBC_aload_2, JBC_aload_3, JBC_anewarray, JBC_areturn, JBC_arraylength, JBC_astore, JBC_astore_0, JBC_astore_1, JBC_astore_2, JBC_astore_3, JBC_athrow, JBC_baload, JBC_bastore, JBC_bipush, JBC_caload, JBC_castore, JBC_checkcast, JBC_d2f, JBC_d2i, JBC_d2l, JBC_dadd, JBC_daload, JBC_dastore, JBC_dcmpg, JBC_dcmpl, JBC_dconst_0, JBC_dconst_1, JBC_ddiv, JBC_dload, JBC_dload_0, JBC_dload_1, JBC_dload_2, JBC_dload_3, JBC_dmul, JBC_dneg, JBC_drem, JBC_dreturn, JBC_dstore, JBC_dstore_0, JBC_dstore_1, JBC_dstore_2, JBC_dstore_3, JBC_dsub, JBC_dup, JBC_dup_x1, JBC_dup_x2, JBC_dup2, JBC_dup2_x1, JBC_dup2_x2, JBC_f2d, JBC_f2i, JBC_f2l, JBC_fadd, JBC_faload, JBC_fastore, JBC_fcmpg, JBC_fcmpl, JBC_fconst_0, JBC_fconst_1, JBC_fconst_2, JBC_fdiv, JBC_fload, JBC_fload_0, JBC_fload_1, JBC_fload_2, JBC_fload_3, JBC_fmul, JBC_fneg, JBC_frem, JBC_freturn, JBC_fstore, JBC_fstore_0, JBC_fstore_1, JBC_fstore_2, JBC_fstore_3, JBC_fsub, JBC_getfield, JBC_getstatic, JBC_goto, JBC_goto_w, JBC_i2d, JBC_i2f, JBC_i2l, JBC_iadd, JBC_iaload, JBC_iand, JBC_iastore, JBC_iconst_0, JBC_iconst_1, JBC_iconst_2, JBC_iconst_3, JBC_iconst_4, JBC_iconst_5, JBC_iconst_m1, JBC_idiv, JBC_if_acmpeq, JBC_if_acmpne, JBC_if_icmpeq, JBC_if_icmpge, JBC_if_icmpgt, JBC_if_icmple, JBC_if_icmplt, JBC_if_icmpne, JBC_ifeq, JBC_ifge, JBC_ifgt, JBC_ifle, JBC_iflt, JBC_ifne, JBC_ifnonnull, JBC_ifnull, JBC_iinc, JBC_iload, JBC_iload_0, JBC_iload_1, JBC_iload_2, JBC_iload_3, JBC_impdep1, JBC_impdep2, JBC_imul, JBC_ineg, JBC_instanceof, JBC_int2byte, JBC_int2char, JBC_int2short, JBC_invokeinterface, JBC_invokespecial, JBC_invokestatic, JBC_invokevirtual, JBC_ior, JBC_irem, JBC_ireturn, JBC_ishl, JBC_ishr, JBC_istore, JBC_istore_0, JBC_istore_1, JBC_istore_2, JBC_istore_3, JBC_isub, JBC_iushr, JBC_ixor, JBC_jsr, JBC_jsr_w, JBC_l2d, JBC_l2f, JBC_l2i, JBC_ladd, JBC_laload, JBC_land, JBC_lastore, JBC_lcmp, JBC_lconst_0, JBC_lconst_1, JBC_ldc, JBC_ldc_w, JBC_ldc2_w, JBC_ldiv, JBC_length, JBC_lload, JBC_lload_0, JBC_lload_1, JBC_lload_2, JBC_lload_3, JBC_lmul, JBC_lneg, JBC_lookupswitch, JBC_lor, JBC_lrem, JBC_lreturn, JBC_lshl, JBC_lshr, JBC_lstore, JBC_lstore_0, JBC_lstore_1, JBC_lstore_2, JBC_lstore_3, JBC_lsub, JBC_lushr, JBC_lxor, JBC_monitorenter, JBC_monitorexit, JBC_multianewarray, JBC_name, JBC_new, JBC_newarray, JBC_nop, JBC_pop, JBC_pop2, JBC_putfield, JBC_putstatic, JBC_ret, JBC_return, JBC_saload, JBC_sastore, JBC_sipush, JBC_swap, JBC_tableswitch, JBC_wide, JBC_xxxunusedxxx

Constructor Summary

Constructors

Constructor	Description
ExplicitCallGraph(IMethod fakeRootMethod, AnalysisOptions options, IAnalysisCacheView cache)

Method Summary

Modifier and Type	Method	Description
CGNode	findOrCreateNode(IMethod method, Context context)	Use with extreme care.
IAnalysisCacheView	getAnalysisCache()
IClassHierarchy	getClassHierarchy()
NumberedEdgeManager<CGNode>	getEdgeManager()
int	getNumberOfTargets(CGNode node, CallSiteReference site)
Iterator<CallSiteReference>	getPossibleSites(CGNode src, CGNode target)
IntSet	getPossibleTargetNumbers(CGNode node, CallSiteReference site)
Set<CGNode>	getPossibleTargets(CGNode node, CallSiteReference site)	Return the set of CGNodes that represent possible targets of a particular call site from a particular node
protected ExplicitCallGraph.ExplicitEdgeManager	makeEdgeManger()
protected CGNode	makeFakeRootNode()	subclasses may wish to override!
protected CGNode	makeFakeWorldClinitNode()	subclasses may wish to override!
protected ExplicitCallGraph.ExplicitNode	makeNode(IMethod method, Context context)	subclasses may wish to override!

Methods inherited from class BasicCallGraph

containsNode, getEntrypointNodes, getFakeRootNode, getFakeWorldClinitNode, getInterpreter, getNode, getNode, getNodeManager, getNodes, getNumberOfNodes, init, iterator, nodeToString, registerEntrypoint, registerNode, removeNodeAndEdges, setInterpreter, summarizeByPackage, toString

Methods inherited from class AbstractNumberedGraph

getMaxNumber, getNode, getNumber, getPredNodeNumbers, getSuccNodeNumbers, iterateNodes

Methods inherited from class AbstractGraph

addEdge, addNode, edgeString, getPredNodeCount, getPredNodes, getSuccNodeCount, getSuccNodes, hasEdge, nodeString, removeAllIncidentEdges, removeEdge, removeIncomingEdges, removeNode, removeOutgoingEdges, stream

Methods inherited from class Object

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

Methods inherited from interface EdgeManager

addEdge, getPredNodeCount, getPredNodes, getSuccNodeCount, getSuccNodes, hasEdge, removeAllIncidentEdges, removeEdge, removeIncomingEdges, removeOutgoingEdges

Methods inherited from interface Iterable

forEach, spliterator

Methods inherited from interface NodeManager

addNode, removeNode, stream

Methods inherited from interface NumberedEdgeManager

getPredNodeNumbers, getSuccNodeNumbers

Methods inherited from interface NumberedNodeManager

getMaxNumber, getNode, getNumber, iterateNodes

Field Details

cha

protected final IClassHierarchy cha

options

protected final AnalysisOptions options

Constructor Details

ExplicitCallGraph

public ExplicitCallGraph(IMethod fakeRootMethod,
 AnalysisOptions options,
 IAnalysisCacheView cache)

Method Details

makeNode

protected ExplicitCallGraph.ExplicitNode makeNode(IMethod method,
 Context context)

subclasses may wish to override!

makeFakeRootNode

protected CGNode makeFakeRootNode()
                           throws CancelException

subclasses may wish to override!

Specified by:

makeFakeRootNode in class BasicCallGraph<SSAContextInterpreter>

Throws:

CancelException

makeFakeWorldClinitNode

protected CGNode makeFakeWorldClinitNode()
                                  throws CancelException

subclasses may wish to override!

Specified by:

makeFakeWorldClinitNode in class BasicCallGraph<SSAContextInterpreter>

Throws:

CancelException

findOrCreateNode

public CGNode findOrCreateNode(IMethod method,
 Context context)
                        throws CancelException

Description copied from class: BasicCallGraph

Use with extreme care.

Specified by:

findOrCreateNode in class BasicCallGraph<SSAContextInterpreter>

Throws:

CancelException - TODO

getClassHierarchy

public IClassHierarchy getClassHierarchy()

Specified by:

getClassHierarchy in interface CallGraph

Returns:

the governing class hierarchy for this call graph

See Also:

• CallGraph.getClassHierarchy()

getEdgeManager

public NumberedEdgeManager<CGNode> getEdgeManager()

Specified by:

getEdgeManager in class AbstractNumberedGraph<CGNode>

Returns:

Returns the edgeManger.

makeEdgeManger

protected ExplicitCallGraph.ExplicitEdgeManager makeEdgeManger()

getNumberOfTargets

public int getNumberOfTargets(CGNode node,
 CallSiteReference site)

Specified by:

getNumberOfTargets in interface CallGraph

Returns:

the number of nodes that the call site may dispatch to

getPossibleSites

public Iterator<CallSiteReference> getPossibleSites(CGNode src,
 CGNode target)

Specified by:

getPossibleSites in interface CallGraph

Returns:

iterator of CallSiteReference, the call sites in a node that might dispatch to the target node.

getPossibleTargets

public Set<CGNode> getPossibleTargets(CGNode node,
 CallSiteReference site)

Description copied from interface: CallGraph

Return the set of CGNodes that represent possible targets of a particular call site from a particular node

Specified by:

getPossibleTargets in interface CallGraph

getPossibleTargetNumbers

public IntSet getPossibleTargetNumbers(CGNode node,
 CallSiteReference site)

getAnalysisCache

public IAnalysisCacheView getAnalysisCache()