Package jadx.core.dex.nodes.utils

Class TypeUtils

java.lang.Object

jadx.core.dex.nodes.utils.TypeUtils

public class TypeUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
TypeUtils(RootNode rootNode)

Method Summary

Modifier and Type	Method	Description
@Nullable ArgType	checkForUnknownTypeVars(MethodNode mth, ArgType checkType)	Search for unknown type vars at current method.
boolean	containsUnknownTypeVar(MethodNode mth, ArgType type)
ArgType	expandTypeVariables(ClassNode cls, ArgType type)
ArgType	expandTypeVariables(MethodNode mth, ArgType type)
java.util.List<ArgType>	getClassGenerics(ArgType type)
@Nullable ClassTypeVarsAttr	getClassTypeVars(ArgType type)
java.util.Set<ArgType>	getKnownTypeVarsAtMethod(MethodNode mth)
java.util.Map<ArgType,ArgType>	getTypeVariablesMapping(ArgType clsType)
java.util.Map<ArgType,ArgType>	getTypeVarMappingForInvoke(BaseInvokeNode invokeInsn)
@Nullable ArgType	replaceClassGenerics(ArgType instanceType, ArgType typeWithGeneric)	Replace generic types in typeWithGeneric using instance types Example: instanceType: Set<String> typeWithGeneric: Iterator<E> return: Iterator<String>
@Nullable ArgType	replaceClassGenerics(ArgType instanceType, ArgType genericSourceType, ArgType typeWithGeneric)
@Nullable ArgType	replaceMethodGenerics(BaseInvokeNode invokeInsn, IMethodDetails details, ArgType typeWithGeneric)
@Nullable ArgType	replaceTypeVariablesUsingMap(ArgType replaceType, java.util.Map<ArgType,ArgType> replaceMap)
void	visitSuperTypes(ArgType type, java.util.function.BiConsumer<ArgType,ArgType> consumer)

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeUtils

public TypeUtils(RootNode rootNode)

Method Detail

getClassGenerics

public java.util.List<ArgType> getClassGenerics(ArgType type)

getClassTypeVars

@Nullable
public @Nullable ClassTypeVarsAttr getClassTypeVars(ArgType type)

expandTypeVariables

public ArgType expandTypeVariables(ClassNode cls,
                                   ArgType type)

expandTypeVariables

public ArgType expandTypeVariables(MethodNode mth,
                                   ArgType type)

getKnownTypeVarsAtMethod

public java.util.Set<ArgType> getKnownTypeVarsAtMethod(MethodNode mth)

checkForUnknownTypeVars

@Nullable
public @Nullable ArgType checkForUnknownTypeVars(MethodNode mth,
                                                 ArgType checkType)

Search for unknown type vars at current method. Return only first.

Returns:

unknown type var, null if not found

containsUnknownTypeVar

public boolean containsUnknownTypeVar(MethodNode mth,
                                      ArgType type)

replaceClassGenerics

@Nullable
public @Nullable ArgType replaceClassGenerics(ArgType instanceType,
                                              ArgType typeWithGeneric)

Replace generic types in typeWithGeneric using instance types
Example:

• instanceType: Set<String>
• typeWithGeneric: Iterator<E>
• return: Iterator<String>

replaceClassGenerics

@Nullable
public @Nullable ArgType replaceClassGenerics(ArgType instanceType,
                                              ArgType genericSourceType,
                                              ArgType typeWithGeneric)

getTypeVariablesMapping

public java.util.Map<ArgType,ArgType> getTypeVariablesMapping(ArgType clsType)

getTypeVarMappingForInvoke

public java.util.Map<ArgType,ArgType> getTypeVarMappingForInvoke(BaseInvokeNode invokeInsn)

replaceMethodGenerics

@Nullable
public @Nullable ArgType replaceMethodGenerics(BaseInvokeNode invokeInsn,
                                               IMethodDetails details,
                                               ArgType typeWithGeneric)

replaceTypeVariablesUsingMap

@Nullable
public @Nullable ArgType replaceTypeVariablesUsingMap(ArgType replaceType,
                                                      java.util.Map<ArgType,ArgType> replaceMap)

visitSuperTypes

public void visitSuperTypes(ArgType type,
                            java.util.function.BiConsumer<ArgType,ArgType> consumer)