public class org.jruby.ir.dataflow.analyses.DefinedVariablesProblem extends org.jruby.ir.dataflow.DataFlowProblem<org.jruby.ir.dataflow.analyses.DefinedVariablesProblem, org.jruby.ir.dataflow.analyses.DefinedVariableNode>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.jruby.ir.dataflow.analyses.DefinedVariablesProblem
  super_class: org.jruby.ir.dataflow.DataFlowProblem
{
  public static final java.lang.String NAME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "Defined Variables Analysis"

  private java.util.HashMap<org.jruby.ir.operands.Variable, java.lang.Integer> dfVarMap;
    descriptor: Ljava/util/HashMap;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/HashMap<Lorg/jruby/ir/operands/Variable;Ljava/lang/Integer;>;

  private java.util.HashMap<java.lang.Integer, org.jruby.ir.operands.Variable> varDfVarMap;
    descriptor: Ljava/util/HashMap;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/HashMap<Ljava/lang/Integer;Lorg/jruby/ir/operands/Variable;>;

  private java.util.HashSet<org.jruby.ir.operands.Variable> vars;
    descriptor: Ljava/util/HashSet;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/HashSet<Lorg/jruby/ir/operands/Variable;>;

  public void <init>(org.jruby.ir.IRScope);
    descriptor: (Lorg/jruby/ir/IRScope;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
        start local 1 // org.jruby.ir.IRScope scope
         0: .line 14
            aload 0 /* this */
            getstatic org.jruby.ir.dataflow.DataFlowProblem$DF_Direction.FORWARD:Lorg/jruby/ir/dataflow/DataFlowProblem$DF_Direction;
            invokespecial org.jruby.ir.dataflow.DataFlowProblem.<init>:(Lorg/jruby/ir/dataflow/DataFlowProblem$DF_Direction;)V
         1: .line 60
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.dfVarMap:Ljava/util/HashMap;
         2: .line 61
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.varDfVarMap:Ljava/util/HashMap;
         3: .line 62
            aload 0 /* this */
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            putfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.vars:Ljava/util/HashSet;
         4: .line 15
            aload 0 /* this */
            aload 1 /* scope */
            invokevirtual org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.setup:(Lorg/jruby/ir/IRScope;)V
         5: .line 16
            return
        end local 1 // org.jruby.ir.IRScope scope
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            0    6     1  scope  Lorg/jruby/ir/IRScope;
    MethodParameters:
       Name  Flags
      scope  

  public java.lang.Integer getDFVar(org.jruby.ir.operands.Variable);
    descriptor: (Lorg/jruby/ir/operands/Variable;)Ljava/lang/Integer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
        start local 1 // org.jruby.ir.operands.Variable v
         0: .line 19
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.dfVarMap:Ljava/util/HashMap;
            aload 1 /* v */
            invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            areturn
        end local 1 // org.jruby.ir.operands.Variable v
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            0    1     1     v  Lorg/jruby/ir/operands/Variable;
    MethodParameters:
      Name  Flags
      v     

  public boolean dfVarExists(org.jruby.ir.operands.Variable);
    descriptor: (Lorg/jruby/ir/operands/Variable;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
        start local 1 // org.jruby.ir.operands.Variable v
         0: .line 23
            aload 0 /* this */
            aload 1 /* v */
            invokevirtual org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.getDFVar:(Lorg/jruby/ir/operands/Variable;)Ljava/lang/Integer;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // org.jruby.ir.operands.Variable v
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            0    2     1     v  Lorg/jruby/ir/operands/Variable;
    MethodParameters:
      Name  Flags
      v     

  public org.jruby.ir.operands.Variable getVariable(int);
    descriptor: (I)Lorg/jruby/ir/operands/Variable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
        start local 1 // int id
         0: .line 27
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.varDfVarMap:Ljava/util/HashMap;
            iload 1 /* id */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.jruby.ir.operands.Variable
            areturn
        end local 1 // int id
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            0    1     1    id  I
    MethodParameters:
      Name  Flags
      id    

  public org.jruby.ir.dataflow.analyses.DefinedVariableNode buildFlowGraphNode(org.jruby.ir.representations.BasicBlock);
    descriptor: (Lorg/jruby/ir/representations/BasicBlock;)Lorg/jruby/ir/dataflow/analyses/DefinedVariableNode;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
        start local 1 // org.jruby.ir.representations.BasicBlock bb
         0: .line 32
            new org.jruby.ir.dataflow.analyses.DefinedVariableNode
            dup
            aload 0 /* this */
            aload 1 /* bb */
            invokespecial org.jruby.ir.dataflow.analyses.DefinedVariableNode.<init>:(Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;Lorg/jruby/ir/representations/BasicBlock;)V
            areturn
        end local 1 // org.jruby.ir.representations.BasicBlock bb
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            0    1     1    bb  Lorg/jruby/ir/representations/BasicBlock;
    MethodParameters:
      Name  Flags
      bb    

  public void addDFVar(org.jruby.ir.operands.Variable);
    descriptor: (Lorg/jruby/ir/operands/Variable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
        start local 1 // org.jruby.ir.operands.Variable v
         0: .line 36
            aload 0 /* this */
            invokevirtual org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.addDataFlowVar:()I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            astore 2 /* dfv */
        start local 2 // java.lang.Integer dfv
         1: .line 37
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.dfVarMap:Ljava/util/HashMap;
            aload 1 /* v */
            aload 2 /* dfv */
            invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 38
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.varDfVarMap:Ljava/util/HashMap;
            aload 2 /* dfv */
            aload 1 /* v */
            invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 39
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.vars:Ljava/util/HashSet;
            aload 1 /* v */
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         4: .line 40
            return
        end local 2 // java.lang.Integer dfv
        end local 1 // org.jruby.ir.operands.Variable v
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            0    5     1     v  Lorg/jruby/ir/operands/Variable;
            1    5     2   dfv  Ljava/lang/Integer;
    MethodParameters:
      Name  Flags
      v     

  public java.util.Set<org.jruby.ir.operands.Variable> findUndefinedVars();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
         0: .line 43
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 1 /* undefinedVars */
        start local 1 // java.util.Set undefinedVars
         1: .line 44
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.flowGraphNodes:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: org.jruby.ir.dataflow.analyses.DefinedVariablesProblem java.util.Set top java.util.Iterator
      StackMap stack:
         2: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.jruby.ir.dataflow.analyses.DefinedVariableNode
            astore 2 /* n */
        start local 2 // org.jruby.ir.dataflow.analyses.DefinedVariableNode n
         3: .line 45
            aload 2 /* n */
            aload 1 /* undefinedVars */
            invokevirtual org.jruby.ir.dataflow.analyses.DefinedVariableNode.identifyInits:(Ljava/util/Set;)V
        end local 2 // org.jruby.ir.dataflow.analyses.DefinedVariableNode n
         4: .line 44
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 47
            aload 1 /* undefinedVars */
            areturn
        end local 1 // java.util.Set undefinedVars
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
            1    6     1  undefinedVars  Ljava/util/Set<Lorg/jruby/ir/operands/Variable;>;
            3    4     2              n  Lorg/jruby/ir/dataflow/analyses/DefinedVariableNode;
    Signature: ()Ljava/util/Set<Lorg/jruby/ir/operands/Variable;>;

  public java.util.Set<org.jruby.ir.operands.Variable> getAllVars();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
         0: .line 51
            aload 0 /* this */
            getfield org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.dfVarMap:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.keySet:()Ljava/util/Set;
            areturn
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;
    Signature: ()Ljava/util/Set<Lorg/jruby/ir/operands/Variable;>;

  public java.lang.String getName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
         0: .line 56
            ldc "Defined Variables Analysis"
            areturn
        end local 0 // org.jruby.ir.dataflow.analyses.DefinedVariablesProblem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;

  public org.jruby.ir.dataflow.FlowGraphNode buildFlowGraphNode(org.jruby.ir.representations.BasicBlock);
    descriptor: (Lorg/jruby/ir/representations/BasicBlock;)Lorg/jruby/ir/dataflow/FlowGraphNode;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual org.jruby.ir.dataflow.analyses.DefinedVariablesProblem.buildFlowGraphNode:(Lorg/jruby/ir/representations/BasicBlock;)Lorg/jruby/ir/dataflow/analyses/DefinedVariableNode;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lorg/jruby/ir/dataflow/DataFlowProblem<Lorg/jruby/ir/dataflow/analyses/DefinedVariablesProblem;Lorg/jruby/ir/dataflow/analyses/DefinedVariableNode;>;
SourceFile: "DefinedVariablesProblem.java"
InnerClasses:
  public final DF_Direction = org.jruby.ir.dataflow.DataFlowProblem$DF_Direction of org.jruby.ir.dataflow.DataFlowProblem