Package sootup.interceptors.invokedynamic

Class StringConcatDesugarizer

java.lang.Object

sootup.interceptors.invokedynamic.StringConcatDesugarizer

All Implemented Interfaces:

InvokeDynamicDesugarizer

public final class StringConcatDesugarizer
extends Object
implements InvokeDynamicDesugarizer

StringConcatFactory.makeConcat[WithConstants] lowered to a StringBuilder chain, as javac 8 compiles string concatenation. Arguments are rendered as String.valueOf does, by their static type (see StringBuilding).

Constructor Summary

Constructors

Constructor	Description
StringConcatDesugarizer()

Method Summary

Modifier and Type	Method	Description
boolean	applies(@NonNull JDynamicInvokeExpr expr)	Whether this desugarizer handles expr.
boolean	desugar(@NonNull JDynamicInvokeExpr expr, @Nullable LValue result, @NonNull Fragment code)	Emits code into code that does what expr does and stores its value into result.

Methods inherited from class java.lang.Object

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

Constructor Details

StringConcatDesugarizer

public StringConcatDesugarizer()

Method Details

applies

public boolean applies(@NonNull JDynamicInvokeExpr expr)

Description copied from interface: InvokeDynamicDesugarizer

Whether this desugarizer handles expr.

Specified by:

applies in interface InvokeDynamicDesugarizer

desugar

public boolean desugar(@NonNull JDynamicInvokeExpr expr,
 @Nullable LValue result,
 @NonNull Fragment code)

Description copied from interface: InvokeDynamicDesugarizer

Emits code into code that does what expr does and stores its value into result.

Specified by:

desugar in interface InvokeDynamicDesugarizer

result - where the invokedynamic's value goes, null if it is discarded

Returns:

whether expr could be lowered; if not, the invokedynamic stays