Package jadx.core.codegen

Class InsnGen

java.lang.Object

jadx.core.codegen.InsnGen

Direct Known Subclasses:

ConditionGen, RegionGen

public class InsnGen
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	InsnGen.Flags

Field Summary

Fields

Modifier and Type	Field	Description
private static final Set<InsnGen.Flags>	BODY_ONLY_FLAG
private static final Set<InsnGen.Flags>	BODY_ONLY_NOWRAP_FLAGS
private static final Set<InsnGen.Flags>	EMPTY_FLAGS
protected final boolean	fallback
private static final org.slf4j.Logger	LOG
protected final MethodGen	mgen
protected final MethodNode	mth
protected final RootNode	root

Constructor Summary

Constructors

Constructor	Description
InsnGen(MethodGen mgen, boolean fallback)

Method Summary

Modifier and Type	Method	Description
void	addArg(ICodeWriter code, InsnArg arg)
void	addArg(ICodeWriter code, InsnArg arg, boolean wrap)
void	addArg(ICodeWriter code, InsnArg arg, Set<InsnGen.Flags> flags)
void	addArgDot(ICodeWriter code, InsnArg arg)
private void	addLiteralArg(ICodeWriter code, LiteralArg litArg, Set<InsnGen.Flags> flags)
private boolean	addOuterClassInstance(ConstructorInsn insn, ICodeWriter code, MethodNode callMth)
private void	addWrappedArg(ICodeWriter code, InsnWrapArg arg, Set<InsnGen.Flags> flags)
void	assignVar(ICodeWriter code, InsnNode insn)
private void	callSuper(ICodeWriter code, MethodInfo callMth)
void	declareVar(ICodeWriter code, CodeVar codeVar)
void	declareVar(ICodeWriter code, RegisterArg arg)
private void	defVar(ICodeWriter code, CodeVar codeVar)	Variable definition without type, only var name
private void	fallbackOnlyInsn(InsnNode insn)
private void	fillArray(ICodeWriter code, FillArrayInsn arrayNode)	In most cases must be combined with new array instructions.
private void	filledNewArray(FilledNewArrayNode insn, ICodeWriter code)
(package private) void	generateMethodArguments(ICodeWriter code, BaseInvokeNode insn, int startArgNum, @Nullable MethodNode mthNode)
private @Nullable ClassInfo	getClassForSuperCall(MethodInfo callMth)	Search call class in super types of this and all parent classes (needed for inlined synthetic calls)
private void	inlineAnonymousConstructor(ICodeWriter code, ClassNode cls, ConstructorInsn insn)
private void	instanceField(ICodeWriter code, FieldInfo field, InsnArg arg)
private boolean	isFallback()
private String	lit(LiteralArg arg)
private void	makeArith(ArithNode insn, ICodeWriter code, Set<InsnGen.Flags> state)
private void	makeArithOneArg(ArithNode insn, ICodeWriter code)
private void	makeConstructor(ConstructorInsn insn, ICodeWriter code)
private void	makeInlinedLambdaMethod(ICodeWriter code, InvokeCustomNode customNode, MethodNode callMth)
void	makeInsn(InsnNode insn, ICodeWriter code)
protected void	makeInsn(InsnNode insn, ICodeWriter code, InsnGen.Flags flag)
private void	makeInsnBody(ICodeWriter code, InsnNode insn, Set<InsnGen.Flags> state)
private void	makeInvoke(InvokeNode insn, ICodeWriter code)
private void	makeInvokeCustomRaw(InvokeCustomRawNode insn, @Nullable MethodNode callMthNode, ICodeWriter code)
private void	makeInvokeLambda(ICodeWriter code, InvokeCustomNode customNode)
private void	makeRefLambda(ICodeWriter code, InvokeCustomNode customNode)
private void	makeSimpleLambda(ICodeWriter code, InvokeCustomNode customNode)
static void	makeStaticFieldAccess(ICodeWriter code, FieldInfo field, ClassGen clsGen)
private static void	makeStaticFieldAccess(ICodeWriter code, FieldInfo field, @Nullable FieldNode fieldNode, ClassGen clsGen)
private void	makeTernary(TernaryInsn insn, ICodeWriter code, Set<InsnGen.Flags> state)
private boolean	needInvokeArg(InsnArg arg)
private void	oneArgInsn(ICodeWriter code, InsnNode insn, Set<InsnGen.Flags> state, char op)
private boolean	processVarArg(ICodeWriter code, BaseInvokeNode invokeInsn, InsnArg lastArg)	Expand varArgs from filled array.
protected void	staticField(ICodeWriter code, FieldInfo field)
void	useClass(ICodeWriter code, ClassInfo cls)
void	useClass(ICodeWriter code, ArgType type)
protected void	useType(ICodeWriter code, ArgType type)

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

mgen

protected final MethodGen mgen

mth

protected final MethodNode mth

root

protected final RootNode root

fallback

protected final boolean fallback

EMPTY_FLAGS

private static final Set<InsnGen.Flags> EMPTY_FLAGS

BODY_ONLY_FLAG

private static final Set<InsnGen.Flags> BODY_ONLY_FLAG

BODY_ONLY_NOWRAP_FLAGS

private static final Set<InsnGen.Flags> BODY_ONLY_NOWRAP_FLAGS

Constructor Details

InsnGen

public InsnGen(MethodGen mgen,
 boolean fallback)

Method Details

isFallback

private boolean isFallback()

addArgDot

public void addArgDot(ICodeWriter code,
 InsnArg arg)
               throws CodegenException

Throws:

CodegenException

addArg

public void addArg(ICodeWriter code,
 InsnArg arg)
            throws CodegenException

Throws:

CodegenException

addArg

public void addArg(ICodeWriter code,
 InsnArg arg,
 boolean wrap)
            throws CodegenException

Throws:

CodegenException

addArg

public void addArg(ICodeWriter code,
 InsnArg arg,
 Set<InsnGen.Flags> flags)
            throws CodegenException

Throws:

CodegenException

addLiteralArg

private void addLiteralArg(ICodeWriter code,
 LiteralArg litArg,
 Set<InsnGen.Flags> flags)

addWrappedArg

private void addWrappedArg(ICodeWriter code,
 InsnWrapArg arg,
 Set<InsnGen.Flags> flags)
                    throws CodegenException

Throws:

CodegenException

assignVar

public void assignVar(ICodeWriter code,
 InsnNode insn)
               throws CodegenException

Throws:

CodegenException

declareVar

public void declareVar(ICodeWriter code,
 RegisterArg arg)

declareVar

public void declareVar(ICodeWriter code,
 CodeVar codeVar)

defVar

private void defVar(ICodeWriter code,
 CodeVar codeVar)

Variable definition without type, only var name

lit

private String lit(LiteralArg arg)

instanceField

private void instanceField(ICodeWriter code,
 FieldInfo field,
 InsnArg arg)
                    throws CodegenException

Throws:

CodegenException

staticField

protected void staticField(ICodeWriter code,
 FieldInfo field)
                    throws CodegenException

Throws:

CodegenException

makeStaticFieldAccess

public static void makeStaticFieldAccess(ICodeWriter code,
 FieldInfo field,
 ClassGen clsGen)

makeStaticFieldAccess

private static void makeStaticFieldAccess(ICodeWriter code,
 FieldInfo field,
 @Nullable
 @Nullable FieldNode fieldNode,
 ClassGen clsGen)

useClass

public void useClass(ICodeWriter code,
 ArgType type)

useClass

public void useClass(ICodeWriter code,
 ClassInfo cls)

useType

protected void useType(ICodeWriter code,
 ArgType type)

makeInsn

public void makeInsn(InsnNode insn,
 ICodeWriter code)
              throws CodegenException

Throws:

CodegenException

makeInsn

protected void makeInsn(InsnNode insn,
 ICodeWriter code,
 InsnGen.Flags flag)
                 throws CodegenException

Throws:

CodegenException

makeInsnBody

private void makeInsnBody(ICodeWriter code,
 InsnNode insn,
 Set<InsnGen.Flags> state)
                   throws CodegenException

Throws:

CodegenException

fillArray

private void fillArray(ICodeWriter code,
 FillArrayInsn arrayNode)
                throws CodegenException

In most cases must be combined with new array instructions. Use one by one array fill (can be replaced with System.arrayCopy)

Throws:

CodegenException

oneArgInsn

private void oneArgInsn(ICodeWriter code,
 InsnNode insn,
 Set<InsnGen.Flags> state,
 char op)
                 throws CodegenException

Throws:

CodegenException

fallbackOnlyInsn

private void fallbackOnlyInsn(InsnNode insn)
                       throws CodegenException

Throws:

CodegenException

filledNewArray

private void filledNewArray(FilledNewArrayNode insn,
 ICodeWriter code)
                     throws CodegenException

Throws:

CodegenException

makeConstructor

private void makeConstructor(ConstructorInsn insn,
 ICodeWriter code)
                      throws CodegenException

Throws:

CodegenException

addOuterClassInstance

private boolean addOuterClassInstance(ConstructorInsn insn,
 ICodeWriter code,
 MethodNode callMth)
                               throws CodegenException

Throws:

CodegenException

inlineAnonymousConstructor

private void inlineAnonymousConstructor(ICodeWriter code,
 ClassNode cls,
 ConstructorInsn insn)
                                 throws CodegenException

Throws:

CodegenException

makeInvoke

private void makeInvoke(InvokeNode insn,
 ICodeWriter code)
                 throws CodegenException

Throws:

CodegenException

makeInvokeCustomRaw

private void makeInvokeCustomRaw(InvokeCustomRawNode insn,
 @Nullable
 @Nullable MethodNode callMthNode,
 ICodeWriter code)
                          throws CodegenException

Throws:

CodegenException

needInvokeArg

private boolean needInvokeArg(InsnArg arg)

makeInvokeLambda

private void makeInvokeLambda(ICodeWriter code,
 InvokeCustomNode customNode)
                       throws CodegenException

Throws:

CodegenException

makeRefLambda

private void makeRefLambda(ICodeWriter code,
 InvokeCustomNode customNode)
                    throws CodegenException

Throws:

CodegenException

makeSimpleLambda

private void makeSimpleLambda(ICodeWriter code,
 InvokeCustomNode customNode)

makeInlinedLambdaMethod

private void makeInlinedLambdaMethod(ICodeWriter code,
 InvokeCustomNode customNode,
 MethodNode callMth)
                              throws CodegenException

Throws:

CodegenException

callSuper

private void callSuper(ICodeWriter code,
 MethodInfo callMth)

getClassForSuperCall

@Nullable
private @Nullable ClassInfo getClassForSuperCall(MethodInfo callMth)

Search call class in super types of this and all parent classes (needed for inlined synthetic calls)

generateMethodArguments

void generateMethodArguments(ICodeWriter code,
 BaseInvokeNode insn,
 int startArgNum,
 @Nullable
 @Nullable MethodNode mthNode)
                      throws CodegenException

Throws:

CodegenException

processVarArg

private boolean processVarArg(ICodeWriter code,
 BaseInvokeNode invokeInsn,
 InsnArg lastArg)
                       throws CodegenException

Expand varArgs from filled array.

Throws:

CodegenException

makeTernary

private void makeTernary(TernaryInsn insn,
 ICodeWriter code,
 Set<InsnGen.Flags> state)
                  throws CodegenException

Throws:

CodegenException

makeArith

private void makeArith(ArithNode insn,
 ICodeWriter code,
 Set<InsnGen.Flags> state)
                throws CodegenException

Throws:

CodegenException

makeArithOneArg

private void makeArithOneArg(ArithNode insn,
 ICodeWriter code)
                      throws CodegenException

Throws:

CodegenException