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Closure Compiler is a JavaScript optimizing compiler. It parses your
JavaScript, analyzes it, removes dead code and rewrites and minimizes
what's left. It also checks syntax, variable references, and types, and
warns about common JavaScript pitfalls. It is used in many of Google's
JavaScript apps, including Gmail, Google Web Search, Google Maps, and
Google Docs.
The newest version!
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java/lang/Object ()V java/util/ArrayList
'com/google/javascript/jscomp/RenameVars globalNameNodes Ljava/util/ArrayList; localNameNodes java/util/LinkedHashMap
originalNameByNode Ljava/util/Map; renameMap assignmentCount I " java/util/LinkedHashSet
! % & ' localBleedingFunctions Ljava/util/Set;
) * + , - +com/google/common/collect/ArrayListMultimap create /()Lcom/google/common/collect/ArrayListMultimap; / 0 1 localBleedingFunctionsPerScope (Lcom/google/common/collect/ListMultimap; 3 4 assignments 6 7 8 compiler /Lcom/google/javascript/jscomp/AbstractCompiler;
: ; < = > com/google/common/base/Strings nullToEmpty &(Ljava/lang/String;)Ljava/lang/String; @ A B prefix Ljava/lang/String; D E F localRenamingOnly Z H I
pseudoNameMap K L M prevUsedRenameMap *Lcom/google/javascript/jscomp/VariableMap; O P Q reservedCharacters [C S T F preferStableNames V W '
reservedNames
! Y Z (Ljava/util/Collection;)V \ ] ^
nameGenerator ,Lcom/google/javascript/jscomp/NameGenerator; ` a b c 2com/google/javascript/jscomp/RenameVars$Assignment count e f g ORDER_OF_OCCURRENCE_COMPARATOR Ljava/util/Comparator; i j k l m java/util/Comparator compare '(Ljava/lang/Object;Ljava/lang/Object;)I
o p q r s %com/google/javascript/jscomp/NodeUtil collectExternVariableNames {(Lcom/google/javascript/jscomp/AbstractCompiler;Lcom/google/javascript/rhino/Node;)Lcom/google/common/collect/ImmutableSet; u v w externNames (Lcom/google/common/collect/ImmutableSet; y z { |
java/util/Map clear ~ 3com/google/javascript/jscomp/RenameVars$ProcessVars
} ? ? ,(Lcom/google/javascript/jscomp/RenameVars;)V
? ? ? ? ? *com/google/javascript/jscomp/NodeTraversal traverse ?(Lcom/google/javascript/jscomp/AbstractCompiler;Lcom/google/javascript/rhino/Node;Lcom/google/javascript/jscomp/NodeTraversal$Callback;)V ? ? ? ? ?
java/util/Set addAll (Ljava/util/Collection;)Z ? java/util/TreeSet ? l ? ()Ljava/util/Comparator;
? ? ? (Ljava/util/Comparator;)V y ? ? ? values ()Ljava/util/Collection; ? ? ? java/util/SortedSet
? ? ? reusePreviouslyUsedVariableMap (Ljava/util/SortedSet;)V
? ? ? assignNames
? ? ? iterator ()Ljava/util/Iterator; ? ? ? ? ? java/util/Iterator hasNext ()Z ? ? ? ? next ()Ljava/lang/Object; ? com/google/javascript/rhino/Node
? ? ? getNewGlobalName 6(Lcom/google/javascript/rhino/Node;)Ljava/lang/String;
? ? ? setNameAndReport 7(Lcom/google/javascript/rhino/Node;Ljava/lang/String;)V
? ? ? getNewLocalName
? ? ? ? getString ()Ljava/lang/String;
? ? ? ? ? java/lang/String equals (Ljava/lang/Object;)Z
? ? ? ? setString (Ljava/lang/String;)V y ? ? ? get &(Ljava/lang/Object;)Ljava/lang/Object;
? ? ? ? ? -com/google/javascript/jscomp/AbstractCompiler reportChangeToEnclosingScope %(Lcom/google/javascript/rhino/Node;)V
? ? ? ? getParent $()Lcom/google/javascript/rhino/Node;
? ? ? ?
isFunction
o ? ? ? isFunctionDeclaration %(Lcom/google/javascript/rhino/Node;)Z ` ? ? B newName ? ? > makeConcatWithConstants y ? ? ? put 8(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
? ? ? ? ? (com/google/javascript/jscomp/VariableMap getNewNameToOriginalNameMap *()Lcom/google/common/collect/ImmutableMap;
? ? ? ? ? $com/google/common/base/Preconditions checkNotNull ? ? ` ? ? B oldName
? ? ? >
lookupNewName ? ? ? contains ` F isLocal
? &com/google/common/collect/ImmutableSet
?
startsWith (Ljava/lang/String;)Z ?
? add
finalizeNameAssignment I(Lcom/google/javascript/jscomp/RenameVars$Assignment;Ljava/lang/String;)V *com/google/javascript/jscomp/NameGenerator reset &(Ljava/util/Set;Ljava/lang/String;[C)V
? ? isEmpty clone Q(Ljava/util/Set;Ljava/lang/String;[C)Lcom/google/javascript/jscomp/NameGenerator; " # ? generateNextName % & java/util/List %( )* size ()I %, ?- (I)Ljava/lang/Object;
?/ 0* length ?
`3 4 ?
setNewName
678 9: &com/google/common/collect/ImmutableMap copyOf 9(Ljava/util/Map;)Lcom/google/common/collect/ImmutableMap;
?< = (Ljava/util/Map;)V
?? @A getCodingConvention 1()Lcom/google/javascript/jscomp/CodingConvention; CDE FG -com/google/javascript/jscomp/CodingConvention
isExported (Ljava/lang/String;Z)Z
IJK L* com/google/javascript/jscomp/Var getIndex
IN OP getScope .()Lcom/google/javascript/jscomp/AbstractScope;R "com/google/javascript/jscomp/Scope
QT ?U &()Lcom/google/javascript/jscomp/Scope;W "java/lang/IllegalArgumentExceptionY Var is not local
V[ ? ]^_ ?` &com/google/common/collect/ListMultimap $(Ljava/lang/Object;)Ljava/util/List; %b cd indexOf (Ljava/lang/Object;)I
f gh $shouldTemporarilyRenameLocalsInScope '(Lcom/google/javascript/jscomp/Scope;)Z
Qj k* getVarCount `m n orderOfOccurrence p qr
applyAsInt $()Ljava/util/function/ToIntFunction; it uv comparingInt :(Ljava/util/function/ToIntFunction;)Ljava/util/Comparator;x )com/google/javascript/jscomp/CompilerPass "MAX_LOCALS_IN_SCOPE_TO_TEMP_RENAME
ConstantValue ? Signature 9Ljava/util/ArrayList; ELjava/util/Map; RuntimeVisibleTypeAnnotations #Lorg/jspecify/annotations/Nullable; ; #Ljava/util/Set; 5Ljava/util/Map; 3Ljava/util/Set; pLcom/google/common/collect/ListMultimap; WLjava/util/Map; LOCAL_VAR_PREFIX? L LLjava/util/Comparator; ?(Lcom/google/javascript/jscomp/AbstractCompiler;Ljava/lang/String;ZZZLcom/google/javascript/jscomp/VariableMap;[CLjava/util/Set;Lcom/google/javascript/jscomp/NameGenerator;)V Code LineNumberTable LocalVariableTable this )Lcom/google/javascript/jscomp/RenameVars; generatePseudoNames LocalVariableTypeTable
StackMapTable Q MethodParameters ?(Lcom/google/javascript/jscomp/AbstractCompiler;Ljava/lang/String;ZZZLcom/google/javascript/jscomp/VariableMap;[CLjava/util/Set;Lcom/google/javascript/jscomp/NameGenerator;)V frequencyComparator k(Lcom/google/javascript/jscomp/RenameVars$Assignment;Lcom/google/javascript/jscomp/RenameVars$Assignment;)I a1 4Lcom/google/javascript/jscomp/RenameVars$Assignment; a2 process G(Lcom/google/javascript/rhino/Node;Lcom/google/javascript/rhino/Node;)V n "Lcom/google/javascript/rhino/Node; externs root varsByFrequency Ljava/util/SortedSet; KLjava/util/SortedSet; parent a oldTempName recordPseudoName prevNewName varsToRename N(Ljava/util/SortedSet;)V j varsByOrderOfOccurrence len i globalNameGenerator localNameGenerator pendingAssignments Ljava/util/List; generatedNamesForAssignments numPendingAssignments FLjava/util/List; $Ljava/util/List; getVariableMap ,()Lcom/google/javascript/jscomp/VariableMap;
okToRenameVar name getLocalVarIndex %(Lcom/google/javascript/jscomp/Var;)I v "Lcom/google/javascript/jscomp/Var; num s $Lcom/google/javascript/jscomp/Scope; isBleedingIntoScope lambda$static$0 7(Lcom/google/javascript/jscomp/RenameVars$Assignment;)I arg
SourceFile RenameVars.java NestMembers BootstrapMethods?
??? ?? "java/lang/invoke/LambdaMetafactory metafactory ?(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite; m?
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??? ?? $java/lang/invoke/StringConcatFactory ?(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;? $$$d?
? ??? InnerClasses
Assignment ProcessVars? 3com/google/javascript/jscomp/NodeTraversal$Callback Callback? %java/lang/invoke/MethodHandles$Lookup? java/lang/invoke/MethodHandles Lookup 0 w y z { 7 8 | } | } | ~ I | ~ ? v w | ? W ' | ? | ? L M A B & ' | ? 0 1 | ? 4 | ? E F T F P Q ? B z ? ] ^ f g | ? ? ? ?
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