Ruby: Remove canonical return nodes

ruby/ql/lib/codeql/ruby/ApiGraphs.qll

@@ -778,7 +778,7 @@ module API {
       or
       exists(TypeTracker t2 |
         result = trackUseNode(src, t2).track(t2, t) and
-        not result instanceof DataFlowPrivate::SelfParameterNode
+        not result instanceof DataFlow::SelfParameterNode
       )
     }
 
@@ -800,7 +800,7 @@ module API {
       or
       exists(TypeBackTracker t2, DataFlow::LocalSourceNode mid |
         mid = trackDefNode(rhs, t2) and
-        not mid instanceof DataFlowPrivate::SelfParameterNode and
+        not mid instanceof DataFlow::SelfParameterNode and
         result = mid.backtrack(t2, t)
       )
     }

ruby/ql/lib/codeql/ruby/dataflow/internal/DataFlowDispatch.qll

@@ -10,16 +10,17 @@ private import codeql.ruby.dataflow.FlowSummary
 private import codeql.ruby.dataflow.SSA
 
 /**
- * A `LocalSourceNode` for a `self` variable. This is either an implicit `self`
- * parameter or an implicit SSA entry definition.
+ * A `LocalSourceNode` for a `self` variable. This is the implicit `self`
+ * parameter, when it exists, otherwise the implicit SSA entry definition.
  */
 private class SelfLocalSourceNode extends DataFlow::LocalSourceNode {
   private SelfVariable self;
 
   SelfLocalSourceNode() {
-    self = this.(SelfParameterNode).getSelfVariable()
+    self = this.(SelfParameterNodeImpl).getSelfVariable()
     or
-    self = this.(SsaSelfDefinitionNode).getVariable()
+    self = this.(SsaSelfDefinitionNode).getVariable() and
+    not LocalFlow::localFlowSsaParamInput(_, this)
   }
 
   /** Gets the `self` variable. */
@@ -469,23 +470,43 @@ private module Cached {
 
 import Cached
 
+pragma[nomagic]
+private predicate stepCallProj(DataFlow::LocalSourceNode nodeFrom, StepSummary summary) {
+  StepSummary::stepCall(nodeFrom, _, summary)
+}
+
+pragma[nomagic]
+private predicate isNotSelf(DataFlow::Node n) { not n instanceof SelfParameterNodeImpl }
+
 pragma[nomagic]
 private DataFlow::LocalSourceNode trackModuleAccess(Module m, TypeTracker t) {
   t.start() and m = resolveConstantReadAccess(result.asExpr().getExpr())
   or
-  exists(TypeTracker t2, StepSummary summary |
-    result = trackModuleAccessRec(m, t2, summary) and t = t2.append(summary)
+  // We exclude steps into `self` parameters, and instead rely on the type of the
+  // enclosing module
+  isNotSelf(result) and
+  (
+    exists(TypeTracker t2 | t = t2.stepNoCall(trackModuleAccess(m, t2), result))
+    or
+    exists(StepSummary summary |
+      // non-linear recursion
+      StepSummary::stepCall(trackModuleAccessCall(m, t, summary), result, summary)
+    )
   )
 }
 
-/**
- * We exclude steps into `self` parameters, and instead rely on the type of the
- * enclosing module.
- */
+bindingset[t, summary]
+pragma[inline_late]
+private TypeTracker append(TypeTracker t, StepSummary summary) { result = t.append(summary) }
+
 pragma[nomagic]
-private DataFlow::LocalSourceNode trackModuleAccessRec(Module m, TypeTracker t, StepSummary summary) {
-  StepSummary::step(trackModuleAccess(m, t), result, summary) and
-  not result instanceof SelfParameterNode
+private DataFlow::LocalSourceNode trackModuleAccessCall(Module m, TypeTracker t, StepSummary summary) {
+  exists(TypeTracker t2 |
+    // non-linear recursion
+    result = trackModuleAccess(m, t2) and
+    stepCallProj(result, summary) and
+    t = append(t2, summary)
+  )
 }
 
 pragma[nomagic]
@@ -498,7 +519,7 @@ private predicate hasUserDefinedNew(Module m) {
   exists(DataFlow::MethodNode method |
     // not `getAnAncestor` because singleton methods cannot be included
     singletonMethodOnModule(method.asCallableAstNode(), "new", m.getSuperClass*()) and
-    not method.getSelfParameter().getAMethodCall("allocate").flowsTo(method.getAReturningNode())
+    not method.getSelfParameter().getAMethodCall("allocate").flowsTo(method.getAReturnNode())
   )
 }
 
@@ -610,6 +631,49 @@ private predicate isInstance(DataFlow::Node n, Module tp, boolean exact) {
   exact = false
 }
 
+private predicate localFlowStep(DataFlow::Node nodeFrom, DataFlow::Node nodeTo, StepSummary summary) {
+  localFlowStepTypeTracker(nodeFrom, nodeTo) and
+  summary.toString() = "level"
+}
+
+pragma[nomagic]
+private predicate hasAdjacentTypeCheckedReads(DataFlow::Node node) {
+  hasAdjacentTypeCheckedReads(_, _, node.asExpr(), _)
+}
+
+pragma[nomagic]
+private predicate smallStepNoCallForTrackInstance0(
+  DataFlow::Node nodeFrom, DataFlow::Node nodeTo, StepSummary summary
+) {
+  // We exclude steps into `self` parameters. For those, we instead rely on the type of
+  // the enclosing module
+  StepSummary::smallstepNoCall(nodeFrom, nodeTo, summary) and
+  isNotSelf(nodeTo)
+  or
+  // We exclude steps into type checked variables. For those, we instead rely on the
+  // type being checked against
+  localFlowStep(nodeFrom, nodeTo, summary) and
+  not hasAdjacentTypeCheckedReads(nodeTo)
+}
+
+pragma[nomagic]
+private predicate smallStepNoCallForTrackInstance0Proj(DataFlow::Node nodeFrom, StepSummary summary) {
+  smallStepNoCallForTrackInstance0(nodeFrom, _, summary)
+}
+
+bindingset[t, nodeFrom]
+pragma[inline_late]
+pragma[noopt]
+private TypeTracker smallStepNoCallForTrackInstance(
+  TypeTracker t, DataFlow::Node nodeFrom, DataFlow::Node nodeTo
+) {
+  exists(StepSummary summary |
+    smallStepNoCallForTrackInstance0Proj(nodeFrom, summary) and
+    result = t.append(summary) and
+    smallStepNoCallForTrackInstance0(nodeFrom, nodeTo, summary)
+  )
+}
+
 pragma[nomagic]
 private DataFlow::Node trackInstance(Module tp, boolean exact, TypeTracker t) {
   t.start() and
@@ -631,35 +695,33 @@ private DataFlow::Node trackInstance(Module tp, boolean exact, TypeTracker t) {
     )
   )
   or
-  exists(TypeTracker t2, StepSummary summary |
-    result = trackInstanceRec(tp, t2, exact, summary) and t = t2.append(summary)
+  exists(TypeTracker t2 |
+    t = smallStepNoCallForTrackInstance(t2, trackInstance(tp, exact, t2), result)
+  )
+  or
+  // We exclude steps into `self` parameters. For those, we instead rely on the type of
+  // the enclosing module
+  exists(StepSummary summary |
+    // non-linear recursion
+    StepSummary::smallstepCall(trackInstanceCall(tp, t, exact, summary), result, summary) and
+    isNotSelf(result)
   )
 }
 
-private predicate localFlowStep(DataFlow::Node nodeFrom, DataFlow::Node nodeTo, StepSummary summary) {
-  localFlowStepTypeTracker(nodeFrom, nodeTo) and
-  summary.toString() = "level"
+pragma[nomagic]
+private predicate smallStepCallProj(DataFlow::Node nodeFrom, StepSummary summary) {
+  StepSummary::smallstepCall(nodeFrom, _, summary)
 }
 
 pragma[nomagic]
-private predicate hasAdjacentTypeCheckedReads(DataFlow::Node node) {
-  hasAdjacentTypeCheckedReads(_, _, node.asExpr(), _)
-}
-
-/**
- * We exclude steps into `self` parameters and type checked variables. For those,
- * we instead rely on the type of the enclosing module resp. the type being checked
- * against, and apply an open-world assumption when determining possible dispatch
- * targets.
- */
-pragma[nomagic]
-private DataFlow::Node trackInstanceRec(Module tp, TypeTracker t, boolean exact, StepSummary summary) {
-  exists(DataFlow::Node mid | mid = trackInstance(tp, exact, t) |
-    StepSummary::smallstep(mid, result, summary) and
-    not result instanceof SelfParameterNode
-    or
-    localFlowStep(mid, result, summary) and
-    not hasAdjacentTypeCheckedReads(result)
+private DataFlow::Node trackInstanceCall(
+  Module tp, TypeTracker t, boolean exact, StepSummary summary
+) {
+  exists(TypeTracker t2 |
+    // non-linear recursion
+    result = trackInstance(tp, exact, t2) and
+    smallStepCallProj(result, summary) and
+    t = append(t2, summary)
   )
 }
 
@@ -710,20 +772,27 @@ pragma[nomagic]
 private DataFlow::LocalSourceNode trackBlock(Block block, TypeTracker t) {
   t.start() and result.asExpr().getExpr() = block
   or
-  exists(TypeTracker t2, StepSummary summary |
-    result = trackBlockRec(block, t2, summary) and
-    t = t2.append(summary)
+  // We exclude steps into `self` parameters, which may happen when the code
+  // base contains implementations of `call`.
+  isNotSelf(result) and
+  (
+    exists(TypeTracker t2 | t = t2.stepNoCall(trackBlock(block, t2), result))
+    or
+    exists(StepSummary summary |
+      // non-linear recursion
+      StepSummary::stepCall(trackBlockCall(block, t, summary), result, summary)
+    )
   )
 }
 
-/**
- * We exclude steps into `self` parameters, which may happen when the code
- * base contains implementations of `call`.
- */
 pragma[nomagic]
-private DataFlow::LocalSourceNode trackBlockRec(Block block, TypeTracker t, StepSummary summary) {
-  StepSummary::step(trackBlock(block, t), result, summary) and
-  not result instanceof SelfParameterNode
+private DataFlow::LocalSourceNode trackBlockCall(Block block, TypeTracker t, StepSummary summary) {
+  exists(TypeTracker t2 |
+    // non-linear recursion
+    result = trackBlock(block, t2) and
+    stepCallProj(result, summary) and
+    t = append(t2, summary)
+  )
 }
 
 pragma[nomagic]
@@ -942,7 +1011,7 @@ private predicate paramReturnFlow(
   |
     nodeFromPreExpr = p.getParameter().(NamedParameter).getVariable().getAnAccess()
     or
-    nodeFromPreExpr = p.(SelfParameterNode).getSelfVariable().getAnAccess()
+    nodeFromPreExpr = p.(SelfParameterNodeImpl).getSelfVariable().getAnAccess()
   )
 }
 
@@ -951,31 +1020,53 @@ private DataFlow::Node trackSingletonMethodOnInstance(MethodBase method, string
   t.start() and
   singletonMethodOnInstance(method, name, result.asExpr().getExpr())
   or
-  exists(TypeTracker t2, StepSummary summary |
-    result = trackSingletonMethodOnInstanceRec(method, name, t2, summary) and
-    t = t2.append(summary) and
-    // Stop flow at redefinitions.
-    //
-    // Example:
-    // ```rb
-    // def x.foo; end
-    // def x.foo; end
-    // x.foo # <- we want to resolve this call to the second definition only
-    // ```
-    not singletonMethodOnInstance(_, name, result.asExpr().getExpr())
-  )
+  (
+    exists(TypeTracker t2 |
+      t = t2.smallstepNoCall(trackSingletonMethodOnInstance(method, name, t2), result)
+    )
+    or
+    exists(StepSummary summary |
+      // non-linear recursion
+      smallStepCallForTrackSingletonMethodOnInstance(trackSingletonMethodOnInstanceCall(method,
+          name, t, summary), result, summary)
+    )
+  ) and
+  // Stop flow at redefinitions.
+  //
+  // Example:
+  // ```rb
+  // def x.foo; end
+  // def x.foo; end
+  // x.foo # <- we want to resolve this call to the second definition only
+  // ```
+  not singletonMethodOnInstance(_, name, result.asExpr().getExpr())
 }
 
 pragma[nomagic]
-private DataFlow::Node trackSingletonMethodOnInstanceRec(
+private predicate smallStepCallForTrackSingletonMethodOnInstance(
+  DataFlow::Node nodeFrom, DataFlow::Node nodeTo, StepSummary summary
+) {
+  StepSummary::smallstepCall(nodeFrom, nodeTo, summary)
+  or
+  paramReturnFlow(nodeFrom, nodeTo, summary)
+}
+
+pragma[nomagic]
+private predicate smallStepCallForTrackSingletonMethodOnInstanceProj(
+  DataFlow::Node nodeFrom, StepSummary summary
+) {
+  smallStepCallForTrackSingletonMethodOnInstance(nodeFrom, _, summary)
+}
+
+pragma[nomagic]
+private DataFlow::Node trackSingletonMethodOnInstanceCall(
   MethodBase method, string name, TypeTracker t, StepSummary summary
 ) {
-  exists(DataFlow::Node mid | mid = trackSingletonMethodOnInstance(method, name, t) |
-    StepSummary::smallstep(mid, result, summary)
-    or
-    paramReturnFlow(mid, result, summary)
-    or
-    localFlowStep(mid, result, summary)
+  exists(TypeTracker t2 |
+    // non-linear recursion
+    result = trackSingletonMethodOnInstance(method, name, t2) and
+    smallStepCallForTrackSingletonMethodOnInstanceProj(result, summary) and
+    t = append(t2, summary)
   )
 }
 

ruby/ql/lib/codeql/ruby/dataflow/internal/DataFlowPrivate.qll

@@ -131,10 +131,10 @@ module LocalFlow {
   /**
    * Holds if `nodeFrom` is a parameter node, and `nodeTo` is a corresponding SSA node.
    */
-  predicate localFlowSsaParamInput(Node nodeFrom, Node nodeTo) {
+  predicate localFlowSsaParamInput(Node nodeFrom, SsaDefinitionExtNode nodeTo) {
     nodeTo = getParameterDefNode(nodeFrom.(ParameterNodeImpl).getParameter())
     or
-    nodeTo = getSelfParameterDefNode(nodeFrom.(SelfParameterNode).getMethod())
+    nodeTo = getSelfParameterDefNode(nodeFrom.(SelfParameterNodeImpl).getMethod())
   }
 
   /**
@@ -143,14 +143,13 @@ module LocalFlow {
    *
    * This is intended to recover from flow not currently recognised by ordinary capture flow.
    */
-  predicate localFlowSsaParamCaptureInput(Node nodeFrom, Node nodeTo) {
-    exists(Ssa::CapturedEntryDefinition def, ParameterNodeImpl p |
-      (nodeFrom = p or LocalFlow::localFlowSsaParamInput(p, nodeFrom)) and
+  predicate localFlowSsaParamCaptureInput(ParameterNodeImpl nodeFrom, Node nodeTo) {
+    exists(Ssa::CapturedEntryDefinition def |
       nodeTo.(SsaDefinitionExtNode).getDefinitionExt() = def
     |
-      p.getParameter().(NamedParameter).getVariable() = def.getSourceVariable()
+      nodeFrom.getParameter().(NamedParameter).getVariable() = def.getSourceVariable()
       or
-      p.(SelfParameterNode).getSelfVariable() = def.getSourceVariable()
+      nodeFrom.(SelfParameterNode).getSelfVariable() = def.getSourceVariable()
     )
   }
 
@@ -164,7 +163,7 @@ module LocalFlow {
 
   /**
    * Holds if there is a local flow step from `nodeFrom` to `nodeTo` involving
-   * SSA definition `def`.
+   * some SSA definition.
    */
   private predicate localSsaFlowStep(Node nodeFrom, Node nodeTo) {
     exists(SsaImpl::DefinitionExt def |
@@ -182,6 +181,8 @@ module LocalFlow {
       // Flow into phi (read) SSA definition node from def
       localFlowSsaInputFromDef(nodeFrom, def, nodeTo)
     )
+    or
+    localFlowSsaParamInput(nodeFrom, nodeTo)
     // TODO
     // or
     // // Flow into uncertain SSA definition
@@ -223,6 +224,13 @@ module LocalFlow {
         op.getExpr() instanceof BinaryLogicalOperation and
         nodeFrom.asExpr() = op.getAnOperand()
       )
+    or
+    nodeTo.(ParameterNodeImpl).getParameter() =
+      any(NamedParameter p |
+        p.(OptionalParameter).getDefaultValue() = nodeFrom.asExpr().getExpr()
+        or
+        p.(KeywordParameter).getDefaultValue() = nodeFrom.asExpr().getExpr()
+      )
   }
 }
 
@@ -279,12 +287,6 @@ private module Cached {
   newtype TNode =
     TExprNode(CfgNodes::ExprCfgNode n) { TaintTrackingPrivate::forceCachingInSameStage() } or
     TReturningNode(CfgNodes::ReturningCfgNode n) or
-    TSynthReturnNode(CfgScope scope, ReturnKind kind) {
-      exists(ReturningNode ret |
-        ret.(NodeImpl).getCfgScope() = scope and
-        ret.getKind() = kind
-      )
-    } or
     TSsaDefinitionExtNode(SsaImpl::DefinitionExt def) or
     TNormalParameterNode(Parameter p) {
       p instanceof SimpleParameter or
@@ -326,12 +328,6 @@ private module Cached {
     TNormalParameterNode or TBlockParameterNode or TSelfParameterNode or
         TSynthHashSplatParameterNode or TSummaryParameterNode;
 
-  private predicate defaultValueFlow(NamedParameter p, ExprNode e) {
-    p.(OptionalParameter).getDefaultValue() = e.getExprNode().getExpr()
-    or
-    p.(KeywordParameter).getDefaultValue() = e.getExprNode().getExpr()
-  }
-
   cached
   Location getLocation(NodeImpl n) { result = n.getLocationImpl() }
 
@@ -346,12 +342,6 @@ private module Cached {
   predicate simpleLocalFlowStep(Node nodeFrom, Node nodeTo) {
     LocalFlow::localFlowStepCommon(nodeFrom, nodeTo)
     or
-    defaultValueFlow(nodeTo.(ParameterNodeImpl).getParameter(), nodeFrom)
-    or
-    LocalFlow::localFlowSsaParamInput(nodeFrom, nodeTo)
-    or
-    nodeTo.(SynthReturnNode).getAnInput() = nodeFrom
-    or
     LocalFlow::localSsaFlowStepUseUse(_, nodeFrom, nodeTo) and
     not FlowSummaryImpl::Private::Steps::prohibitsUseUseFlow(nodeFrom, _)
     or
@@ -373,10 +363,6 @@ private module Cached {
   predicate localFlowStepImpl(Node nodeFrom, Node nodeTo) {
     LocalFlow::localFlowStepCommon(nodeFrom, nodeTo)
     or
-    defaultValueFlow(nodeTo.(ParameterNodeImpl).getParameter(), nodeFrom)
-    or
-    LocalFlow::localFlowSsaParamInput(nodeFrom, nodeTo)
-    or
     LocalFlow::localSsaFlowStepUseUse(_, nodeFrom, nodeTo)
     or
     // Simple flow through library code is included in the exposed local
@@ -386,19 +372,11 @@ private module Cached {
 
   /**
    * This is the local flow predicate that is used in type tracking.
-   *
-   * This needs to exclude `localFlowSsaParamInput` due to a performance trick
-   * in type tracking, where such steps are treated as call steps.
    */
   cached
   predicate localFlowStepTypeTracker(Node nodeFrom, Node nodeTo) {
     LocalFlow::localFlowStepCommon(nodeFrom, nodeTo)
     or
-    exists(NamedParameter p |
-      defaultValueFlow(p, nodeFrom) and
-      nodeTo = LocalFlow::getParameterDefNode(p)
-    )
-    or
     LocalFlow::localSsaFlowStepUseUse(_, nodeFrom, nodeTo)
     or
     // Flow into phi node from read
@@ -440,12 +418,10 @@ private module Cached {
     n instanceof ExprNode and
     not reachedFromExprOrEntrySsaDef(n)
     or
-    // Ensure all entry SSA definitions are local sources -- for parameters, this
-    // is needed by type tracking
-    entrySsaDefinition(n)
-    or
-    // Needed for flow out in type tracking
-    n instanceof SynthReturnNode
+    // Ensure all entry SSA definitions are local sources, except those that correspond
+    // to parameters (which are themselves local sources)
+    entrySsaDefinition(n) and
+    not LocalFlow::localFlowSsaParamInput(_, n)
     or
     // Needed for stores in type tracking
     TypeTrackerSpecific::storeStepIntoSourceNode(_, n, _)
@@ -507,7 +483,7 @@ private module Cached {
    */
   cached
   predicate exprNodeReturnedFromCached(ExprNode e, Callable c) {
-    exists(ReturningNode r |
+    exists(ReturnNode r |
       nodeGetEnclosingCallable(r).asCallable() = c and
       (
         r.(ExplicitReturnNode).getReturningNode().getReturnedValueNode() = e.asExpr() or
@@ -542,8 +518,6 @@ predicate nodeIsHidden(Node n) {
   or
   n instanceof SummaryParameterNode
   or
-  n instanceof SynthReturnNode
-  or
   n instanceof SynthHashSplatParameterNode
   or
   n instanceof SynthHashSplatArgumentNode
@@ -658,10 +632,10 @@ private module ParameterNodes {
    * The value of the `self` parameter at function entry, viewed as a node in a data
    * flow graph.
    */
-  class SelfParameterNode extends ParameterNodeImpl, TSelfParameterNode {
+  class SelfParameterNodeImpl extends ParameterNodeImpl, TSelfParameterNode {
     private MethodBase method;
 
-    SelfParameterNode() { this = TSelfParameterNode(method) }
+    SelfParameterNodeImpl() { this = TSelfParameterNode(method) }
 
     final MethodBase getMethod() { result = method }
 
@@ -937,24 +911,26 @@ private class NewCall extends DataFlowCall {
   NewCall() { this.asCall().getExpr().(MethodCall).getMethodName() = "new" }
 }
 
-/** A data-flow node that represents a value syntactically returned by a callable. */
-abstract class ReturningNode extends Node {
-  /** Gets the kind of this return node. */
-  abstract ReturnKind getKind();
-
-  pragma[nomagic]
-  predicate hasKind(ReturnKind kind, CfgScope scope) {
-    kind = this.getKind() and
-    scope = this.(NodeImpl).getCfgScope()
-  }
-}
-
 /** A data-flow node that represents a value returned by a callable. */
 abstract class ReturnNode extends Node {
   /** Gets the kind of this return node. */
   abstract ReturnKind getKind();
 }
 
+/** A data-flow node that represents a value returned by a callable. */
+abstract class SourceReturnNode extends ReturnNode {
+  /** Gets the kind of this return node. */
+  abstract ReturnKind getKindSource(); // only exists to avoid spurious negative recursion
+
+  final override ReturnKind getKind() { result = this.getKindSource() }
+
+  pragma[nomagic]
+  predicate hasKind(ReturnKind kind, CfgScope scope) {
+    kind = this.getKindSource() and
+    scope = this.(NodeImpl).getCfgScope()
+  }
+}
+
 private module ReturnNodes {
   private predicate isValid(CfgNodes::ReturningCfgNode node) {
     exists(ReturningStmt stmt, Callable scope |
@@ -976,14 +952,14 @@ private module ReturnNodes {
    * A data-flow node that represents an expression explicitly returned by
    * a callable.
    */
-  class ExplicitReturnNode extends ReturningNode, ReturningStatementNode {
+  class ExplicitReturnNode extends SourceReturnNode, ReturningStatementNode {
     ExplicitReturnNode() {
       isValid(n) and
       n.getASuccessor().(CfgNodes::AnnotatedExitNode).isNormal() and
       n.getScope() instanceof Callable
     }
 
-    override ReturnKind getKind() {
+    override ReturnKind getKindSource() {
       if n.getNode() instanceof BreakStmt
       then result instanceof BreakReturnKind
       else
@@ -1012,10 +988,10 @@ private module ReturnNodes {
    * a callable. An implicit return happens when an expression can be the
    * last thing that is evaluated in the body of the callable.
    */
-  class ExprReturnNode extends ReturningNode, ExprNode {
+  class ExprReturnNode extends SourceReturnNode, ExprNode {
     ExprReturnNode() { exists(Callable c | implicitReturn(c, this) = c.getAStmt()) }
 
-    override ReturnKind getKind() {
+    override ReturnKind getKindSource() {
       exists(CfgScope scope | scope = this.(NodeImpl).getCfgScope() |
         if isUserDefinedNew(scope)
         then result instanceof NewReturnKind
@@ -1040,7 +1016,7 @@ private module ReturnNodes {
    * the implicit `self` reference in `@x` will return data stored in the field
    * `x` out to the call `C.new`.
    */
-  class InitializeReturnNode extends ExprPostUpdateNode, ReturningNode {
+  class InitializeReturnNode extends ExprPostUpdateNode, ReturnNode {
     InitializeReturnNode() {
       exists(Method initialize |
         this.getCfgScope() = initialize and
@@ -1053,32 +1029,6 @@ private module ReturnNodes {
     override ReturnKind getKind() { result instanceof NewReturnKind }
   }
 
-  /**
-   * A synthetic data-flow node for joining flow from different syntactic
-   * returns into a single node.
-   *
-   * This node only exists to avoid computing the product of a large fan-in
-   * with a large fan-out.
-   */
-  class SynthReturnNode extends NodeImpl, ReturnNode, TSynthReturnNode {
-    private CfgScope scope;
-    private ReturnKind kind;
-
-    SynthReturnNode() { this = TSynthReturnNode(scope, kind) }
-
-    /** Gets a syntactic return node that flows into this synthetic node. */
-    pragma[nomagic]
-    ReturningNode getAnInput() { result.hasKind(kind, scope) }
-
-    override ReturnKind getKind() { result = kind }
-
-    override CfgScope getCfgScope() { result = scope }
-
-    override Location getLocationImpl() { result = scope.getLocation() }
-
-    override string toStringImpl() { result = "return " + kind + " in " + scope }
-  }
-
   private class SummaryReturnNode extends SummaryNode, ReturnNode {
     private ReturnKind rk;
 
@@ -1339,9 +1289,6 @@ private import PostUpdateNodes
 /** A node that performs a type cast. */
 class CastNode extends Node {
   CastNode() {
-    // ensure that actual return nodes are included in the path graph
-    this instanceof ReturningNode
-    or
     // ensure that all variable assignments are included in the path graph
     this.(SsaDefinitionExtNode).getDefinitionExt() instanceof Ssa::WriteDefinition
   }

ruby/ql/lib/codeql/ruby/dataflow/internal/DataFlowPublic.qll

@@ -195,10 +195,22 @@ class ParameterNode extends LocalSourceNode, TParameterNode instanceof Parameter
   /** Gets the parameter corresponding to this node, if any. */
   final Parameter getParameter() { result = super.getParameter() }
 
+  /** Gets the callable that this parameter belongs to. */
+  final Callable getCallable() { result = super.getCfgScope() }
+
   /** Gets the name of the parameter, if any. */
   final string getName() { result = this.getParameter().(NamedParameter).getName() }
 }
 
+/**
+ * The value of an implicit `self` parameter at function entry, viewed as a node in a data
+ * flow graph.
+ */
+class SelfParameterNode extends ParameterNode instanceof SelfParameterNodeImpl {
+  /** Gets the underlying `self` variable. */
+  final SelfVariable getSelfVariable() { result = super.getSelfVariable() }
+}
+
 /**
  * A data-flow node that is a source of local flow.
  */
@@ -328,9 +340,6 @@ private module Cached {
     exists(Node mid | hasLocalSource(mid, source) |
       localFlowStepTypeTracker(mid, sink)
       or
-      // Explicitly include the SSA param input step as type-tracking omits this step.
-      LocalFlow::localFlowSsaParamInput(mid, sink)
-      or
       LocalFlow::localFlowSsaParamCaptureInput(mid, sink)
     )
   }
@@ -1176,19 +1185,15 @@ class CallableNode extends StmtSequenceNode {
     result = this.getBlockParameter().getAMethodCall("call")
   }
 
-  /**
-   * Gets the canonical return node from this callable.
-   *
-   * Each callable has exactly one such node, and its location may not correspond
-   * to any particular return site - consider using `getAReturningNode` to get nodes
-   * whose locations correspond to return sites.
-   */
-  Node getReturn() { result.(SynthReturnNode).getCfgScope() = callable }
-
   /**
    * Gets a data flow node whose value is about to be returned by this callable.
    */
-  Node getAReturningNode() { result = this.getReturn().(SynthReturnNode).getAnInput() }
+  Node getAReturnNode() { result.(ReturnNode).(NodeImpl).getCfgScope() = callable }
+
+  /**
+   * DEPRECATED. Use `getAReturnNode` instead.
+   */
+  deprecated Node getAReturningNode() { result = this.getAReturnNode() }
 }
 
 /**

ruby/ql/lib/codeql/ruby/frameworks/ActiveRecord.qll

@@ -7,7 +7,6 @@ private import codeql.ruby.Concepts
 private import codeql.ruby.controlflow.CfgNodes
 private import codeql.ruby.DataFlow
 private import codeql.ruby.dataflow.internal.DataFlowDispatch
-private import codeql.ruby.dataflow.internal.DataFlowPrivate
 private import codeql.ruby.ApiGraphs
 private import codeql.ruby.frameworks.Stdlib
 private import codeql.ruby.frameworks.Core
@@ -319,19 +318,19 @@ private class ActiveRecordModelFinderCall extends ActiveRecordModelInstantiation
 
 // A `self` reference that may resolve to an active record model object
 private class ActiveRecordModelClassSelfReference extends ActiveRecordModelInstantiation,
-  SsaSelfDefinitionNode
+  DataFlow::SelfParameterNode
 {
   private ActiveRecordModelClass cls;
 
   ActiveRecordModelClassSelfReference() {
     exists(MethodBase m |
-      m = this.getCfgScope() and
+      m = this.getCallable() and
       m.getEnclosingModule() = cls and
       m = cls.getAMethod()
     ) and
     // In a singleton method, `self` refers to the class itself rather than an
     // instance of that class
-    not this.getSelfScope() instanceof SingletonMethod
+    not this.getSelfVariable().getDeclaringScope() instanceof SingletonMethod
   }
 
   final override ActiveRecordModelClass getClass() { result = cls }

ruby/ql/lib/codeql/ruby/frameworks/Rack.qll

@@ -21,7 +21,7 @@ module Rack {
     AppCandidate() {
       call = this.getInstanceMethod("call") and
       call.getNumberOfParameters() = 1 and
-      call.getReturn() = trackRackResponse()
+      call.getAReturnNode() = trackRackResponse()
     }
 
     /**

ruby/ql/lib/codeql/ruby/frameworks/actioncontroller/Filters.qll

@@ -412,9 +412,7 @@ module Filters {
   /**
    * Holds if `n` is the self parameter of method `m`.
    */
-  private predicate selfParameter(DataFlowPrivate::SelfParameterNode n, Method m) {
-    m = n.getMethod()
-  }
+  private predicate selfParameter(DataFlow::SelfParameterNode n, Method m) { m = n.getCallable() }
 
   /**
    * A class defining additional jump steps arising from filters.

ruby/ql/lib/codeql/ruby/typetracking/TypeTrackerSpecific.qll

@@ -79,7 +79,7 @@ predicate jumpStep = DataFlowPrivate::jumpStep/2;
 /** Holds if there is direct flow from `param` to a return. */
 pragma[nomagic]
 private predicate flowThrough(DataFlowPublic::ParameterNode param) {
-  exists(DataFlowPrivate::ReturningNode returnNode, DataFlowDispatch::ReturnKind rk |
+  exists(DataFlowPrivate::SourceReturnNode returnNode, DataFlowDispatch::ReturnKind rk |
     param.flowsTo(returnNode) and
     returnNode.hasKind(rk, param.(DataFlowPrivate::NodeImpl).getCfgScope())
   |
@@ -210,15 +210,7 @@ predicate callStep(ExprNodes::CallCfgNode call, Node arg, DataFlowPrivate::Param
  * recursion (or, at best, terrible performance), since identifying calls to library
  * methods is done using API graphs (which uses type tracking).
  */
-predicate callStep(Node nodeFrom, Node nodeTo) {
-  callStep(_, nodeFrom, nodeTo)
-  or
-  // In normal data-flow, this will be a local flow step. But for type tracking
-  // we model it as a call step, in order to avoid computing a potential
-  // self-cross product of all calls to a function that returns one of its parameters
-  // (only to later filter that flow out using `TypeTracker::append`).
-  DataFlowPrivate::LocalFlow::localFlowSsaParamInput(nodeFrom, nodeTo)
-}
+predicate callStep(Node nodeFrom, Node nodeTo) { callStep(_, nodeFrom, nodeTo) }
 
 /**
  * Holds if `nodeFrom` steps to `nodeTo` by being returned from a call.
@@ -230,19 +222,13 @@ predicate callStep(Node nodeFrom, Node nodeTo) {
 predicate returnStep(Node nodeFrom, Node nodeTo) {
   exists(ExprNodes::CallCfgNode call |
     nodeFrom instanceof DataFlowPrivate::ReturnNode and
+    not nodeFrom instanceof DataFlowPrivate::InitializeReturnNode and
     nodeFrom.(DataFlowPrivate::NodeImpl).getCfgScope() = DataFlowDispatch::getTarget(call) and
     // deliberately do not include `getInitializeTarget`, since calls to `new` should not
     // get the return value from `initialize`. Any fields being set in the initializer
     // will reach all reads via `callStep` and `localFieldStep`.
     nodeTo.asExpr().getNode() = call.getNode()
   )
-  or
-  // In normal data-flow, this will be a local flow step. But for type tracking
-  // we model it as a returning flow step, in order to avoid computing a potential
-  // self-cross product of all calls to a function that returns one of its parameters
-  // (only to later filter that flow out using `TypeTracker::append`).
-  nodeTo.(DataFlowPrivate::SynthReturnNode).getAnInput() = nodeFrom and
-  not nodeFrom instanceof DataFlowPrivate::InitializeReturnNode
 }
 
 /**
@@ -598,26 +584,15 @@ private DataFlow::Node evaluateSummaryComponentStackLocal(
       pragma[only_bind_out](tail)) and
     stack = SCS::push(pragma[only_bind_out](head), pragma[only_bind_out](tail))
   |
-    exists(
-      DataFlowDispatch::ArgumentPosition apos, DataFlowDispatch::ParameterPosition ppos,
-      DataFlowPrivate::ParameterNodeImpl p
-    |
+    exists(DataFlowDispatch::ArgumentPosition apos, DataFlowDispatch::ParameterPosition ppos |
       head = SummaryComponent::parameter(apos) and
       DataFlowDispatch::parameterMatch(ppos, apos) and
-      p.isSourceParameterOf(prev.asExpr().getExpr(), ppos) and
-      // We need to include both `p` and the SSA definition for `p`, since in type-tracking
-      // the step from `p` to the SSA definition is considered a call step.
-      result =
-        [p.(DataFlow::Node), DataFlowPrivate::LocalFlow::getParameterDefNode(p.getParameter())]
+      result.(DataFlowPrivate::ParameterNodeImpl).isSourceParameterOf(prev.asExpr().getExpr(), ppos)
     )
     or
-    exists(DataFlowPrivate::SynthReturnNode ret |
-      head = SummaryComponent::return() and
-      ret.getCfgScope() = prev.asExpr().getExpr() and
-      // We need to include both `ret` and `ret.getAnInput()`, since in type-tracking
-      // the step from `ret.getAnInput()` to `ret` is considered a return step.
-      result = [ret.(DataFlow::Node), ret.getAnInput()]
-    )
+    head = SummaryComponent::return() and
+    result.(DataFlowPrivate::ReturnNode).(DataFlowPrivate::NodeImpl).getCfgScope() =
+      prev.asExpr().getExpr()
     or
     exists(DataFlow::ContentSet content |
       head = SummaryComponent::withoutContent(content) and

ruby/ql/test/library-tests/dataflow/local/Nodes.ql

@@ -2,7 +2,7 @@ import codeql.ruby.AST
 import codeql.ruby.dataflow.internal.DataFlowPrivate
 import codeql.ruby.dataflow.internal.DataFlowDispatch
 
-query predicate ret(ReturningNode node) { any() }
+query predicate ret(SourceReturnNode node) { any() }
 
 query predicate arg(ArgumentNode n, DataFlowCall call, ArgumentPosition pos) {
   n.argumentOf(call, pos) and

ruby/ql/test/library-tests/dataflow/type-tracker/TypeTracker.expected

@@ -1,129 +1,72 @@
 track
 | type_tracker.rb:1:1:10:3 | self (Container) | type tracker without call steps | type_tracker.rb:1:1:10:3 | self (Container) |
-| type_tracker.rb:1:1:53:4 | self (type_tracker.rb) | type tracker with call steps | type_tracker.rb:18:1:21:3 | self (positional) |
 | type_tracker.rb:1:1:53:4 | self (type_tracker.rb) | type tracker with call steps | type_tracker.rb:18:1:21:3 | self in positional |
-| type_tracker.rb:1:1:53:4 | self (type_tracker.rb) | type tracker with call steps | type_tracker.rb:25:1:28:3 | self (keyword) |
 | type_tracker.rb:1:1:53:4 | self (type_tracker.rb) | type tracker with call steps | type_tracker.rb:25:1:28:3 | self in keyword |
 | type_tracker.rb:1:1:53:4 | self (type_tracker.rb) | type tracker without call steps | type_tracker.rb:1:1:53:4 | self (type_tracker.rb) |
 | type_tracker.rb:2:5:5:7 | &block | type tracker without call steps | type_tracker.rb:2:5:5:7 | &block |
 | type_tracker.rb:2:5:5:7 | field= | type tracker without call steps | type_tracker.rb:2:5:5:7 | field= |
-| type_tracker.rb:2:5:5:7 | return return in field= | type tracker without call steps | type_tracker.rb:2:5:5:7 | return return in field= |
-| type_tracker.rb:2:5:5:7 | return return in field= | type tracker without call steps | type_tracker.rb:14:5:14:13 | call to field= |
-| type_tracker.rb:2:5:5:7 | self (field=) | type tracker with call steps | type_tracker.rb:7:5:9:7 | self (field) |
-| type_tracker.rb:2:5:5:7 | self (field=) | type tracker with call steps | type_tracker.rb:7:5:9:7 | self in field |
-| type_tracker.rb:2:5:5:7 | self (field=) | type tracker without call steps | type_tracker.rb:2:5:5:7 | self (field=) |
-| type_tracker.rb:2:5:5:7 | self in field= | type tracker with call steps | type_tracker.rb:2:5:5:7 | self (field=) |
-| type_tracker.rb:2:5:5:7 | self in field= | type tracker with call steps | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:2:5:5:7 | self in field= | type tracker with call steps | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:2:5:5:7 | self in field= | type tracker without call steps | type_tracker.rb:2:5:5:7 | self in field= |
-| type_tracker.rb:2:16:2:18 | val | type tracker with call steps | type_tracker.rb:2:16:2:18 | val |
-| type_tracker.rb:2:16:2:18 | val | type tracker with call steps | type_tracker.rb:8:9:8:14 | @field |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:2:5:5:7 | return return in field= |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:2:5:5:7 | return return in field= |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:7:5:9:7 | return return in field |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:7:5:9:7 | return return in field |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:8:9:8:14 | @field |
 | type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:8:9:8:14 | @field |
 | type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:14:5:14:13 | call to field= |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:14:5:14:13 | call to field= |
-| type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:2:16:2:18 | val | type tracker without call steps | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:3:9:3:23 | call to puts | type tracker without call steps | type_tracker.rb:3:9:3:23 | call to puts |
 | type_tracker.rb:3:14:3:23 | call to field | type tracker without call steps | type_tracker.rb:3:14:3:23 | call to field |
 | type_tracker.rb:4:9:4:14 | @field | type tracker without call steps | type_tracker.rb:4:9:4:14 | @field |
 | type_tracker.rb:7:5:9:7 | &block | type tracker without call steps | type_tracker.rb:7:5:9:7 | &block |
 | type_tracker.rb:7:5:9:7 | field | type tracker without call steps | type_tracker.rb:7:5:9:7 | field |
-| type_tracker.rb:7:5:9:7 | return return in field | type tracker without call steps | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:7:5:9:7 | return return in field | type tracker without call steps | type_tracker.rb:7:5:9:7 | return return in field |
-| type_tracker.rb:7:5:9:7 | return return in field | type tracker without call steps | type_tracker.rb:15:10:15:18 | call to field |
-| type_tracker.rb:7:5:9:7 | self (field) | type tracker without call steps | type_tracker.rb:7:5:9:7 | self (field) |
-| type_tracker.rb:7:5:9:7 | self in field | type tracker with call steps | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:7:5:9:7 | self in field | type tracker without call steps | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:8:9:8:14 | @field | type tracker without call steps | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:8:9:8:14 | @field | type tracker without call steps | type_tracker.rb:7:5:9:7 | return return in field |
 | type_tracker.rb:8:9:8:14 | @field | type tracker without call steps | type_tracker.rb:8:9:8:14 | @field |
 | type_tracker.rb:8:9:8:14 | @field | type tracker without call steps | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:12:1:16:3 | &block | type tracker without call steps | type_tracker.rb:12:1:16:3 | &block |
 | type_tracker.rb:12:1:16:3 | m | type tracker without call steps | type_tracker.rb:12:1:16:3 | m |
-| type_tracker.rb:12:1:16:3 | return return in m | type tracker without call steps | type_tracker.rb:12:1:16:3 | return return in m |
-| type_tracker.rb:12:1:16:3 | self (m) | type tracker without call steps | type_tracker.rb:12:1:16:3 | self (m) |
-| type_tracker.rb:12:1:16:3 | self in m | type tracker with call steps | type_tracker.rb:12:1:16:3 | self (m) |
 | type_tracker.rb:12:1:16:3 | self in m | type tracker without call steps | type_tracker.rb:12:1:16:3 | self in m |
 | type_tracker.rb:13:5:13:7 | var | type tracker without call steps | type_tracker.rb:13:5:13:7 | var |
 | type_tracker.rb:13:11:13:19 | Container | type tracker without call steps | type_tracker.rb:13:11:13:19 | Container |
-| type_tracker.rb:13:11:13:23 | call to new | type tracker with call steps | type_tracker.rb:2:5:5:7 | self (field=) |
 | type_tracker.rb:13:11:13:23 | call to new | type tracker with call steps | type_tracker.rb:2:5:5:7 | self in field= |
-| type_tracker.rb:13:11:13:23 | call to new | type tracker with call steps | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:13:11:13:23 | call to new | type tracker with call steps | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:13:11:13:23 | call to new | type tracker without call steps | type_tracker.rb:13:11:13:23 | call to new |
-| type_tracker.rb:14:5:14:7 | [post] var | type tracker with call steps | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:14:5:14:7 | [post] var | type tracker with call steps | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:14:5:14:7 | [post] var | type tracker without call steps | type_tracker.rb:14:5:14:7 | [post] var |
 | type_tracker.rb:14:5:14:13 | call to field= | type tracker without call steps | type_tracker.rb:14:5:14:13 | call to field= |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker with call steps | type_tracker.rb:2:16:2:18 | val |
-| type_tracker.rb:14:17:14:23 | "hello" | type tracker with call steps | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker with call steps | type_tracker.rb:8:9:8:14 | @field |
-| type_tracker.rb:14:17:14:23 | "hello" | type tracker with call steps with content attribute field | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker with call steps with content attribute field | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker without call steps | type_tracker.rb:14:5:14:13 | call to field= |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker without call steps | type_tracker.rb:14:17:14:23 | "hello" |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker without call steps | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:14:17:14:23 | "hello" | type tracker without call steps with content attribute field | type_tracker.rb:14:5:14:7 | [post] var |
 | type_tracker.rb:14:17:14:23 | __synth__0 | type tracker without call steps | type_tracker.rb:14:17:14:23 | __synth__0 |
-| type_tracker.rb:15:5:15:18 | call to puts | type tracker without call steps | type_tracker.rb:12:1:16:3 | return return in m |
 | type_tracker.rb:15:5:15:18 | call to puts | type tracker without call steps | type_tracker.rb:15:5:15:18 | call to puts |
 | type_tracker.rb:15:10:15:18 | call to field | type tracker without call steps | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:18:1:21:3 | &block | type tracker without call steps | type_tracker.rb:18:1:21:3 | &block |
 | type_tracker.rb:18:1:21:3 | positional | type tracker without call steps | type_tracker.rb:18:1:21:3 | positional |
-| type_tracker.rb:18:1:21:3 | return return in positional | type tracker without call steps | type_tracker.rb:18:1:21:3 | return return in positional |
-| type_tracker.rb:18:1:21:3 | return return in positional | type tracker without call steps | type_tracker.rb:23:1:23:16 | call to positional |
-| type_tracker.rb:18:1:21:3 | self (positional) | type tracker without call steps | type_tracker.rb:18:1:21:3 | self (positional) |
-| type_tracker.rb:18:1:21:3 | self in positional | type tracker with call steps | type_tracker.rb:18:1:21:3 | self (positional) |
 | type_tracker.rb:18:1:21:3 | self in positional | type tracker without call steps | type_tracker.rb:18:1:21:3 | self in positional |
-| type_tracker.rb:18:16:18:17 | p1 | type tracker with call steps | type_tracker.rb:18:16:18:17 | p1 |
 | type_tracker.rb:18:16:18:17 | p1 | type tracker without call steps | type_tracker.rb:18:16:18:17 | p1 |
 | type_tracker.rb:18:16:18:17 | p1 | type tracker without call steps | type_tracker.rb:18:16:18:17 | p1 |
-| type_tracker.rb:18:16:18:17 | p1 | type tracker without call steps | type_tracker.rb:18:16:18:17 | p1 |
-| type_tracker.rb:18:20:18:21 | p2 | type tracker with call steps | type_tracker.rb:18:20:18:21 | p2 |
-| type_tracker.rb:18:20:18:21 | p2 | type tracker without call steps | type_tracker.rb:18:20:18:21 | p2 |
 | type_tracker.rb:18:20:18:21 | p2 | type tracker without call steps | type_tracker.rb:18:20:18:21 | p2 |
 | type_tracker.rb:18:20:18:21 | p2 | type tracker without call steps | type_tracker.rb:18:20:18:21 | p2 |
 | type_tracker.rb:19:5:19:11 | call to puts | type tracker without call steps | type_tracker.rb:19:5:19:11 | call to puts |
-| type_tracker.rb:20:5:20:11 | call to puts | type tracker without call steps | type_tracker.rb:18:1:21:3 | return return in positional |
 | type_tracker.rb:20:5:20:11 | call to puts | type tracker without call steps | type_tracker.rb:20:5:20:11 | call to puts |
 | type_tracker.rb:20:5:20:11 | call to puts | type tracker without call steps | type_tracker.rb:23:1:23:16 | call to positional |
 | type_tracker.rb:23:1:23:16 | call to positional | type tracker without call steps | type_tracker.rb:23:1:23:16 | call to positional |
 | type_tracker.rb:23:12:23:12 | 1 | type tracker with call steps | type_tracker.rb:18:16:18:17 | p1 |
-| type_tracker.rb:23:12:23:12 | 1 | type tracker with call steps | type_tracker.rb:18:16:18:17 | p1 |
 | type_tracker.rb:23:12:23:12 | 1 | type tracker without call steps | type_tracker.rb:23:12:23:12 | 1 |
 | type_tracker.rb:23:15:23:15 | 2 | type tracker with call steps | type_tracker.rb:18:20:18:21 | p2 |
-| type_tracker.rb:23:15:23:15 | 2 | type tracker with call steps | type_tracker.rb:18:20:18:21 | p2 |
 | type_tracker.rb:23:15:23:15 | 2 | type tracker without call steps | type_tracker.rb:23:15:23:15 | 2 |
 | type_tracker.rb:25:1:28:3 | &block | type tracker without call steps | type_tracker.rb:25:1:28:3 | &block |
 | type_tracker.rb:25:1:28:3 | **kwargs | type tracker without call steps | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:25:1:28:3 | keyword | type tracker without call steps | type_tracker.rb:25:1:28:3 | keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type tracker without call steps | type_tracker.rb:25:1:28:3 | return return in keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type tracker without call steps | type_tracker.rb:30:1:30:21 | call to keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type tracker without call steps | type_tracker.rb:31:1:31:21 | call to keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type tracker without call steps | type_tracker.rb:32:1:32:27 | call to keyword |
-| type_tracker.rb:25:1:28:3 | self (keyword) | type tracker without call steps | type_tracker.rb:25:1:28:3 | self (keyword) |
-| type_tracker.rb:25:1:28:3 | self in keyword | type tracker with call steps | type_tracker.rb:25:1:28:3 | self (keyword) |
 | type_tracker.rb:25:1:28:3 | self in keyword | type tracker without call steps | type_tracker.rb:25:1:28:3 | self in keyword |
-| type_tracker.rb:25:13:25:14 | p1 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:25:13:25:14 | p1 | type tracker without call steps | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:25:13:25:14 | p1 | type tracker without call steps | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:25:13:25:14 | p1 | type tracker without call steps | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:25:18:25:19 | p2 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
-| type_tracker.rb:25:18:25:19 | p2 | type tracker without call steps | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:25:18:25:19 | p2 | type tracker without call steps | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:25:18:25:19 | p2 | type tracker without call steps | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:26:5:26:11 | call to puts | type tracker without call steps | type_tracker.rb:26:5:26:11 | call to puts |
-| type_tracker.rb:27:5:27:11 | call to puts | type tracker without call steps | type_tracker.rb:25:1:28:3 | return return in keyword |
 | type_tracker.rb:27:5:27:11 | call to puts | type tracker without call steps | type_tracker.rb:27:5:27:11 | call to puts |
 | type_tracker.rb:27:5:27:11 | call to puts | type tracker without call steps | type_tracker.rb:30:1:30:21 | call to keyword |
 | type_tracker.rb:27:5:27:11 | call to puts | type tracker without call steps | type_tracker.rb:31:1:31:21 | call to keyword |
@@ -134,14 +77,12 @@ track
 | type_tracker.rb:30:9:30:10 | :p1 | type tracker without call steps | type_tracker.rb:30:9:30:10 | :p1 |
 | type_tracker.rb:30:9:30:13 | Pair | type tracker without call steps | type_tracker.rb:30:9:30:13 | Pair |
 | type_tracker.rb:30:13:30:13 | 3 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:30:13:30:13 | 3 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:30:13:30:13 | 3 | type tracker with call steps with content element :p1 | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:30:13:30:13 | 3 | type tracker without call steps | type_tracker.rb:30:13:30:13 | 3 |
 | type_tracker.rb:30:13:30:13 | 3 | type tracker without call steps with content element :p1 | type_tracker.rb:30:1:30:21 | ** |
 | type_tracker.rb:30:16:30:17 | :p2 | type tracker without call steps | type_tracker.rb:30:16:30:17 | :p2 |
 | type_tracker.rb:30:16:30:20 | Pair | type tracker without call steps | type_tracker.rb:30:16:30:20 | Pair |
 | type_tracker.rb:30:20:30:20 | 4 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
-| type_tracker.rb:30:20:30:20 | 4 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:30:20:30:20 | 4 | type tracker with call steps with content element :p2 | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:30:20:30:20 | 4 | type tracker without call steps | type_tracker.rb:30:20:30:20 | 4 |
 | type_tracker.rb:30:20:30:20 | 4 | type tracker without call steps with content element :p2 | type_tracker.rb:30:1:30:21 | ** |
@@ -151,14 +92,12 @@ track
 | type_tracker.rb:31:9:31:10 | :p2 | type tracker without call steps | type_tracker.rb:31:9:31:10 | :p2 |
 | type_tracker.rb:31:9:31:13 | Pair | type tracker without call steps | type_tracker.rb:31:9:31:13 | Pair |
 | type_tracker.rb:31:13:31:13 | 5 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
-| type_tracker.rb:31:13:31:13 | 5 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:31:13:31:13 | 5 | type tracker with call steps with content element :p2 | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:31:13:31:13 | 5 | type tracker without call steps | type_tracker.rb:31:13:31:13 | 5 |
 | type_tracker.rb:31:13:31:13 | 5 | type tracker without call steps with content element :p2 | type_tracker.rb:31:1:31:21 | ** |
 | type_tracker.rb:31:16:31:17 | :p1 | type tracker without call steps | type_tracker.rb:31:16:31:17 | :p1 |
 | type_tracker.rb:31:16:31:20 | Pair | type tracker without call steps | type_tracker.rb:31:16:31:20 | Pair |
 | type_tracker.rb:31:20:31:20 | 6 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:31:20:31:20 | 6 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:31:20:31:20 | 6 | type tracker with call steps with content element :p1 | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:31:20:31:20 | 6 | type tracker without call steps | type_tracker.rb:31:20:31:20 | 6 |
 | type_tracker.rb:31:20:31:20 | 6 | type tracker without call steps with content element :p1 | type_tracker.rb:31:1:31:21 | ** |
@@ -168,68 +107,33 @@ track
 | type_tracker.rb:32:9:32:11 | :p2 | type tracker without call steps | type_tracker.rb:32:9:32:11 | :p2 |
 | type_tracker.rb:32:9:32:16 | Pair | type tracker without call steps | type_tracker.rb:32:9:32:16 | Pair |
 | type_tracker.rb:32:16:32:16 | 7 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
-| type_tracker.rb:32:16:32:16 | 7 | type tracker with call steps | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:32:16:32:16 | 7 | type tracker with call steps with content element :p2 | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:32:16:32:16 | 7 | type tracker without call steps | type_tracker.rb:32:16:32:16 | 7 |
 | type_tracker.rb:32:16:32:16 | 7 | type tracker without call steps with content element :p2 | type_tracker.rb:32:1:32:27 | ** |
 | type_tracker.rb:32:19:32:21 | :p1 | type tracker without call steps | type_tracker.rb:32:19:32:21 | :p1 |
 | type_tracker.rb:32:19:32:26 | Pair | type tracker without call steps | type_tracker.rb:32:19:32:26 | Pair |
 | type_tracker.rb:32:26:32:26 | 8 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:32:26:32:26 | 8 | type tracker with call steps | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:32:26:32:26 | 8 | type tracker with call steps with content element :p1 | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:32:26:32:26 | 8 | type tracker without call steps | type_tracker.rb:32:26:32:26 | 8 |
 | type_tracker.rb:32:26:32:26 | 8 | type tracker without call steps with content element :p1 | type_tracker.rb:32:1:32:27 | ** |
 | type_tracker.rb:34:1:53:3 | &block | type tracker without call steps | type_tracker.rb:34:1:53:3 | &block |
-| type_tracker.rb:34:1:53:3 | return return in throughArray | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:34:1:53:3 | self in throughArray | type tracker without call steps | type_tracker.rb:34:1:53:3 | self in throughArray |
 | type_tracker.rb:34:1:53:3 | throughArray | type tracker without call steps | type_tracker.rb:34:1:53:3 | throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps | type_tracker.rb:34:18:34:20 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps | type_tracker.rb:36:5:36:10 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps | type_tracker.rb:40:5:40:12 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps | type_tracker.rb:44:5:44:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element | type_tracker.rb:38:13:38:25 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element | type_tracker.rb:44:5:44:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element 0 or unknown | type_tracker.rb:35:11:35:15 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element 0 or unknown | type_tracker.rb:42:14:42:26 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker with call steps with content element 0 or unknown | type_tracker.rb:46:14:46:26 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:36:5:36:10 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:36:5:36:10 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:40:5:40:12 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:40:5:40:12 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:44:5:44:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:44:5:44:13 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:38:13:38:25 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:38:13:38:25 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:44:5:44:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:44:5:44:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:50:14:50:26 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:50:14:50:26 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element 0 or unknown | type_tracker.rb:35:11:35:15 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element 0 or unknown | type_tracker.rb:35:11:35:15 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element 0 or unknown | type_tracker.rb:42:14:42:26 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element 0 or unknown | type_tracker.rb:42:14:42:26 | call to [] |
 | type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element 0 or unknown | type_tracker.rb:46:14:46:26 | call to [] |
-| type_tracker.rb:34:18:34:20 | obj | type tracker without call steps with content element 0 or unknown | type_tracker.rb:46:14:46:26 | call to [] |
-| type_tracker.rb:34:23:34:23 | y | type tracker with call steps | type_tracker.rb:34:23:34:23 | y |
 | type_tracker.rb:34:23:34:23 | y | type tracker without call steps | type_tracker.rb:34:23:34:23 | y |
 | type_tracker.rb:34:23:34:23 | y | type tracker without call steps | type_tracker.rb:34:23:34:23 | y |
-| type_tracker.rb:34:23:34:23 | y | type tracker without call steps | type_tracker.rb:34:23:34:23 | y |
-| type_tracker.rb:34:26:34:26 | z | type tracker with call steps | type_tracker.rb:34:26:34:26 | z |
-| type_tracker.rb:34:26:34:26 | z | type tracker without call steps | type_tracker.rb:34:26:34:26 | z |
 | type_tracker.rb:34:26:34:26 | z | type tracker without call steps | type_tracker.rb:34:26:34:26 | z |
 | type_tracker.rb:34:26:34:26 | z | type tracker without call steps | type_tracker.rb:34:26:34:26 | z |
 | type_tracker.rb:35:5:35:7 | tmp | type tracker without call steps | type_tracker.rb:35:5:35:7 | tmp |
@@ -315,46 +219,33 @@ track
 | type_tracker.rb:50:5:50:10 | array4 | type tracker without call steps | type_tracker.rb:50:5:50:10 | array4 |
 | type_tracker.rb:50:14:50:26 | Array | type tracker without call steps | type_tracker.rb:50:14:50:26 | Array |
 | type_tracker.rb:50:14:50:26 | call to [] | type tracker without call steps | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:50:15:50:15 | 1 | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:15:50:15 | 1 | type tracker without call steps | type_tracker.rb:50:15:50:15 | 1 |
 | type_tracker.rb:50:15:50:15 | 1 | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:15:50:15 | 1 | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:15:50:15 | 1 | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:50:15:50:15 | 1 | type tracker without call steps with content element 0 or unknown | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:50:17:50:17 | 2 | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:17:50:17 | 2 | type tracker without call steps | type_tracker.rb:50:17:50:17 | 2 |
 | type_tracker.rb:50:17:50:17 | 2 | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:17:50:17 | 2 | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:17:50:17 | 2 | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:50:17:50:17 | 2 | type tracker without call steps with content element 1 or unknown | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:50:19:50:19 | 3 | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:19:50:19 | 3 | type tracker without call steps | type_tracker.rb:50:19:50:19 | 3 |
 | type_tracker.rb:50:19:50:19 | 3 | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:19:50:19 | 3 | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:19:50:19 | 3 | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:50:19:50:19 | 3 | type tracker without call steps with content element 2 or unknown | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:50:21:50:21 | 4 | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:21:50:21 | 4 | type tracker without call steps | type_tracker.rb:50:21:50:21 | 4 |
 | type_tracker.rb:50:21:50:21 | 4 | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:21:50:21 | 4 | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:21:50:21 | 4 | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:50:21:50:21 | 4 | type tracker without call steps with content element 3 or unknown | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:50:23:50:23 | 5 | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:23:50:23 | 5 | type tracker without call steps | type_tracker.rb:50:23:50:23 | 5 |
 | type_tracker.rb:50:23:50:23 | 5 | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:23:50:23 | 5 | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:23:50:23 | 5 | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:50:23:50:23 | 5 | type tracker without call steps with content element 4 or unknown | type_tracker.rb:50:14:50:26 | call to [] |
-| type_tracker.rb:50:25:50:25 | 6 | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:25:50:25 | 6 | type tracker without call steps | type_tracker.rb:50:25:50:25 | 6 |
 | type_tracker.rb:50:25:50:25 | 6 | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:25:50:25 | 6 | type tracker without call steps with content element | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:25:50:25 | 6 | type tracker without call steps with content element | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:50:25:50:25 | 6 | type tracker without call steps with content element 5 or unknown | type_tracker.rb:50:14:50:26 | call to [] |
 | type_tracker.rb:51:5:51:10 | [post] array4 | type tracker without call steps | type_tracker.rb:51:5:51:10 | [post] array4 |
 | type_tracker.rb:51:5:51:13 | call to []= | type tracker without call steps | type_tracker.rb:51:5:51:13 | call to []= |
 | type_tracker.rb:51:17:51:19 | __synth__0 | type tracker without call steps | type_tracker.rb:51:17:51:19 | __synth__0 |
-| type_tracker.rb:52:5:52:13 | ...[...] | type tracker without call steps | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:52:5:52:13 | ...[...] | type tracker without call steps | type_tracker.rb:52:5:52:13 | ...[...] |
 trackEnd
 | type_tracker.rb:1:1:10:3 | self (Container) | type_tracker.rb:1:1:10:3 | self (Container) |
@@ -373,15 +264,6 @@ trackEnd
 | type_tracker.rb:1:1:53:4 | self (type_tracker.rb) | type_tracker.rb:32:1:32:27 | self |
 | type_tracker.rb:2:5:5:7 | &block | type_tracker.rb:2:5:5:7 | &block |
 | type_tracker.rb:2:5:5:7 | field= | type_tracker.rb:2:5:5:7 | field= |
-| type_tracker.rb:2:5:5:7 | return return in field= | type_tracker.rb:2:5:5:7 | return return in field= |
-| type_tracker.rb:2:5:5:7 | return return in field= | type_tracker.rb:14:5:14:13 | call to field= |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:2:5:5:7 | self (field=) |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:3:9:3:23 | self |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:3:14:3:17 | self |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:4:9:4:14 | self |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:7:5:9:7 | self (field) |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:7:5:9:7 | self in field |
-| type_tracker.rb:2:5:5:7 | self (field=) | type_tracker.rb:8:9:8:14 | self |
 | type_tracker.rb:2:5:5:7 | self in field= | type_tracker.rb:2:5:5:7 | self (field=) |
 | type_tracker.rb:2:5:5:7 | self in field= | type_tracker.rb:2:5:5:7 | self in field= |
 | type_tracker.rb:2:5:5:7 | self in field= | type_tracker.rb:3:9:3:23 | self |
@@ -390,25 +272,14 @@ trackEnd
 | type_tracker.rb:2:5:5:7 | self in field= | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:2:5:5:7 | self in field= | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:2:5:5:7 | self in field= | type_tracker.rb:8:9:8:14 | self |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:2:5:5:7 | return return in field= |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:2:5:5:7 | return return in field= |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:2:16:2:18 | val |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:4:9:4:20 | ... = ... |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:4:9:4:20 | ... = ... |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:4:18:4:20 | val |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:4:18:4:20 | val |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:7:5:9:7 | return return in field |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:7:5:9:7 | return return in field |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:8:9:8:14 | @field |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:8:9:8:14 | @field |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:14:5:14:13 | call to field= |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:14:5:14:13 | call to field= |
-| type_tracker.rb:2:16:2:18 | val | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:2:16:2:18 | val | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:3:9:3:23 | call to puts | type_tracker.rb:3:9:3:23 | call to puts |
 | type_tracker.rb:3:14:3:23 | call to field | type_tracker.rb:3:14:3:23 | call to field |
@@ -416,23 +287,14 @@ trackEnd
 | type_tracker.rb:7:5:9:7 | &block | type_tracker.rb:7:5:9:7 | &block |
 | type_tracker.rb:7:5:9:7 | field | type_tracker.rb:1:1:10:3 | Container |
 | type_tracker.rb:7:5:9:7 | field | type_tracker.rb:7:5:9:7 | field |
-| type_tracker.rb:7:5:9:7 | return return in field | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:7:5:9:7 | return return in field | type_tracker.rb:7:5:9:7 | return return in field |
-| type_tracker.rb:7:5:9:7 | return return in field | type_tracker.rb:15:10:15:18 | call to field |
-| type_tracker.rb:7:5:9:7 | self (field) | type_tracker.rb:7:5:9:7 | self (field) |
-| type_tracker.rb:7:5:9:7 | self (field) | type_tracker.rb:8:9:8:14 | self |
 | type_tracker.rb:7:5:9:7 | self in field | type_tracker.rb:7:5:9:7 | self (field) |
 | type_tracker.rb:7:5:9:7 | self in field | type_tracker.rb:7:5:9:7 | self in field |
 | type_tracker.rb:7:5:9:7 | self in field | type_tracker.rb:8:9:8:14 | self |
 | type_tracker.rb:8:9:8:14 | @field | type_tracker.rb:3:14:3:23 | call to field |
-| type_tracker.rb:8:9:8:14 | @field | type_tracker.rb:7:5:9:7 | return return in field |
 | type_tracker.rb:8:9:8:14 | @field | type_tracker.rb:8:9:8:14 | @field |
 | type_tracker.rb:8:9:8:14 | @field | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:12:1:16:3 | &block | type_tracker.rb:12:1:16:3 | &block |
 | type_tracker.rb:12:1:16:3 | m | type_tracker.rb:12:1:16:3 | m |
-| type_tracker.rb:12:1:16:3 | return return in m | type_tracker.rb:12:1:16:3 | return return in m |
-| type_tracker.rb:12:1:16:3 | self (m) | type_tracker.rb:12:1:16:3 | self (m) |
-| type_tracker.rb:12:1:16:3 | self (m) | type_tracker.rb:15:5:15:18 | self |
 | type_tracker.rb:12:1:16:3 | self in m | type_tracker.rb:12:1:16:3 | self (m) |
 | type_tracker.rb:12:1:16:3 | self in m | type_tracker.rb:12:1:16:3 | self in m |
 | type_tracker.rb:12:1:16:3 | self in m | type_tracker.rb:15:5:15:18 | self |
@@ -470,16 +332,10 @@ trackEnd
 | type_tracker.rb:14:17:14:23 | "hello" | type_tracker.rb:14:17:14:23 | __synth__0 |
 | type_tracker.rb:14:17:14:23 | "hello" | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:14:17:14:23 | __synth__0 | type_tracker.rb:14:17:14:23 | __synth__0 |
-| type_tracker.rb:15:5:15:18 | call to puts | type_tracker.rb:12:1:16:3 | return return in m |
 | type_tracker.rb:15:5:15:18 | call to puts | type_tracker.rb:15:5:15:18 | call to puts |
 | type_tracker.rb:15:10:15:18 | call to field | type_tracker.rb:15:10:15:18 | call to field |
 | type_tracker.rb:18:1:21:3 | &block | type_tracker.rb:18:1:21:3 | &block |
 | type_tracker.rb:18:1:21:3 | positional | type_tracker.rb:18:1:21:3 | positional |
-| type_tracker.rb:18:1:21:3 | return return in positional | type_tracker.rb:18:1:21:3 | return return in positional |
-| type_tracker.rb:18:1:21:3 | return return in positional | type_tracker.rb:23:1:23:16 | call to positional |
-| type_tracker.rb:18:1:21:3 | self (positional) | type_tracker.rb:18:1:21:3 | self (positional) |
-| type_tracker.rb:18:1:21:3 | self (positional) | type_tracker.rb:19:5:19:11 | self |
-| type_tracker.rb:18:1:21:3 | self (positional) | type_tracker.rb:20:5:20:11 | self |
 | type_tracker.rb:18:1:21:3 | self in positional | type_tracker.rb:18:1:21:3 | self (positional) |
 | type_tracker.rb:18:1:21:3 | self in positional | type_tracker.rb:18:1:21:3 | self in positional |
 | type_tracker.rb:18:1:21:3 | self in positional | type_tracker.rb:19:5:19:11 | self |
@@ -487,17 +343,12 @@ trackEnd
 | type_tracker.rb:18:16:18:17 | p1 | type_tracker.rb:18:16:18:17 | p1 |
 | type_tracker.rb:18:16:18:17 | p1 | type_tracker.rb:18:16:18:17 | p1 |
 | type_tracker.rb:18:16:18:17 | p1 | type_tracker.rb:18:16:18:17 | p1 |
-| type_tracker.rb:18:16:18:17 | p1 | type_tracker.rb:18:16:18:17 | p1 |
-| type_tracker.rb:18:16:18:17 | p1 | type_tracker.rb:19:10:19:11 | p1 |
 | type_tracker.rb:18:16:18:17 | p1 | type_tracker.rb:19:10:19:11 | p1 |
 | type_tracker.rb:18:20:18:21 | p2 | type_tracker.rb:18:20:18:21 | p2 |
 | type_tracker.rb:18:20:18:21 | p2 | type_tracker.rb:18:20:18:21 | p2 |
 | type_tracker.rb:18:20:18:21 | p2 | type_tracker.rb:18:20:18:21 | p2 |
-| type_tracker.rb:18:20:18:21 | p2 | type_tracker.rb:18:20:18:21 | p2 |
-| type_tracker.rb:18:20:18:21 | p2 | type_tracker.rb:20:10:20:11 | p2 |
 | type_tracker.rb:18:20:18:21 | p2 | type_tracker.rb:20:10:20:11 | p2 |
 | type_tracker.rb:19:5:19:11 | call to puts | type_tracker.rb:19:5:19:11 | call to puts |
-| type_tracker.rb:20:5:20:11 | call to puts | type_tracker.rb:18:1:21:3 | return return in positional |
 | type_tracker.rb:20:5:20:11 | call to puts | type_tracker.rb:20:5:20:11 | call to puts |
 | type_tracker.rb:20:5:20:11 | call to puts | type_tracker.rb:23:1:23:16 | call to positional |
 | type_tracker.rb:23:1:23:16 | call to positional | type_tracker.rb:23:1:23:16 | call to positional |
@@ -512,13 +363,6 @@ trackEnd
 | type_tracker.rb:25:1:28:3 | &block | type_tracker.rb:25:1:28:3 | &block |
 | type_tracker.rb:25:1:28:3 | **kwargs | type_tracker.rb:25:1:28:3 | **kwargs |
 | type_tracker.rb:25:1:28:3 | keyword | type_tracker.rb:25:1:28:3 | keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type_tracker.rb:25:1:28:3 | return return in keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type_tracker.rb:30:1:30:21 | call to keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type_tracker.rb:31:1:31:21 | call to keyword |
-| type_tracker.rb:25:1:28:3 | return return in keyword | type_tracker.rb:32:1:32:27 | call to keyword |
-| type_tracker.rb:25:1:28:3 | self (keyword) | type_tracker.rb:25:1:28:3 | self (keyword) |
-| type_tracker.rb:25:1:28:3 | self (keyword) | type_tracker.rb:26:5:26:11 | self |
-| type_tracker.rb:25:1:28:3 | self (keyword) | type_tracker.rb:27:5:27:11 | self |
 | type_tracker.rb:25:1:28:3 | self in keyword | type_tracker.rb:25:1:28:3 | self (keyword) |
 | type_tracker.rb:25:1:28:3 | self in keyword | type_tracker.rb:25:1:28:3 | self in keyword |
 | type_tracker.rb:25:1:28:3 | self in keyword | type_tracker.rb:26:5:26:11 | self |
@@ -526,17 +370,12 @@ trackEnd
 | type_tracker.rb:25:13:25:14 | p1 | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:25:13:25:14 | p1 | type_tracker.rb:25:13:25:14 | p1 |
 | type_tracker.rb:25:13:25:14 | p1 | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:25:13:25:14 | p1 | type_tracker.rb:25:13:25:14 | p1 |
-| type_tracker.rb:25:13:25:14 | p1 | type_tracker.rb:26:10:26:11 | p1 |
 | type_tracker.rb:25:13:25:14 | p1 | type_tracker.rb:26:10:26:11 | p1 |
 | type_tracker.rb:25:18:25:19 | p2 | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:25:18:25:19 | p2 | type_tracker.rb:25:18:25:19 | p2 |
 | type_tracker.rb:25:18:25:19 | p2 | type_tracker.rb:25:18:25:19 | p2 |
-| type_tracker.rb:25:18:25:19 | p2 | type_tracker.rb:25:18:25:19 | p2 |
-| type_tracker.rb:25:18:25:19 | p2 | type_tracker.rb:27:10:27:11 | p2 |
 | type_tracker.rb:25:18:25:19 | p2 | type_tracker.rb:27:10:27:11 | p2 |
 | type_tracker.rb:26:5:26:11 | call to puts | type_tracker.rb:26:5:26:11 | call to puts |
-| type_tracker.rb:27:5:27:11 | call to puts | type_tracker.rb:25:1:28:3 | return return in keyword |
 | type_tracker.rb:27:5:27:11 | call to puts | type_tracker.rb:27:5:27:11 | call to puts |
 | type_tracker.rb:27:5:27:11 | call to puts | type_tracker.rb:30:1:30:21 | call to keyword |
 | type_tracker.rb:27:5:27:11 | call to puts | type_tracker.rb:31:1:31:21 | call to keyword |
@@ -587,80 +426,45 @@ trackEnd
 | type_tracker.rb:32:26:32:26 | 8 | type_tracker.rb:26:10:26:11 | p1 |
 | type_tracker.rb:32:26:32:26 | 8 | type_tracker.rb:32:26:32:26 | 8 |
 | type_tracker.rb:34:1:53:3 | &block | type_tracker.rb:34:1:53:3 | &block |
-| type_tracker.rb:34:1:53:3 | return return in throughArray | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:34:1:53:3 | self in throughArray | type_tracker.rb:34:1:53:3 | self in throughArray |
 | type_tracker.rb:34:1:53:3 | throughArray | type_tracker.rb:34:1:53:3 | throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:34:1:53:3 | return return in throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:34:1:53:3 | return return in throughArray |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:34:18:34:20 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:35:12:35:14 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:35:12:35:14 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:36:5:36:10 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:36:5:36:10 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:5:39:12 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:5:39:12 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:5:39:18 | ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:5:39:18 | ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:16:39:18 | ... = ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:16:39:18 | ... = ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:16:39:18 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:16:39:18 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:16:39:18 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:39:16:39:18 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:40:5:40:12 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:40:5:40:12 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:5:43:13 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:5:43:13 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:5:43:19 | ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:5:43:19 | ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:17:43:19 | ... = ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:17:43:19 | ... = ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:17:43:19 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:17:43:19 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:17:43:19 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:43:17:43:19 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:44:5:44:13 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:44:5:44:13 | ...[...] |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:5:47:13 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:5:47:13 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:5:47:19 | ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:5:47:19 | ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:17:47:19 | ... = ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:17:47:19 | ... = ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:17:47:19 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:17:47:19 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:17:47:19 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:47:17:47:19 | obj |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:5:51:13 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:5:51:13 | __synth__0 |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:5:51:19 | ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:5:51:19 | ... |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:17:51:19 | ... = ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:17:51:19 | ... = ... |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:17:51:19 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:17:51:19 | __synth__0 |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:17:51:19 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:51:17:51:19 | obj |
 | type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:18:34:20 | obj | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:34:23:34:23 | y | type_tracker.rb:34:23:34:23 | y |
 | type_tracker.rb:34:23:34:23 | y | type_tracker.rb:34:23:34:23 | y |
 | type_tracker.rb:34:23:34:23 | y | type_tracker.rb:34:23:34:23 | y |
 | type_tracker.rb:34:23:34:23 | y | type_tracker.rb:34:23:34:23 | y |
 | type_tracker.rb:34:23:34:23 | y | type_tracker.rb:39:11:39:11 | y |
-| type_tracker.rb:34:23:34:23 | y | type_tracker.rb:39:11:39:11 | y |
-| type_tracker.rb:34:23:34:23 | y | type_tracker.rb:44:12:44:12 | y |
 | type_tracker.rb:34:23:34:23 | y | type_tracker.rb:44:12:44:12 | y |
 | type_tracker.rb:34:23:34:23 | y | type_tracker.rb:51:12:51:12 | y |
-| type_tracker.rb:34:23:34:23 | y | type_tracker.rb:51:12:51:12 | y |
 | type_tracker.rb:34:26:34:26 | z | type_tracker.rb:34:26:34:26 | z |
 | type_tracker.rb:34:26:34:26 | z | type_tracker.rb:34:26:34:26 | z |
 | type_tracker.rb:34:26:34:26 | z | type_tracker.rb:34:26:34:26 | z |
-| type_tracker.rb:34:26:34:26 | z | type_tracker.rb:34:26:34:26 | z |
-| type_tracker.rb:34:26:34:26 | z | type_tracker.rb:52:12:52:12 | z |
 | type_tracker.rb:34:26:34:26 | z | type_tracker.rb:52:12:52:12 | z |
 | type_tracker.rb:35:5:35:7 | tmp | type_tracker.rb:35:5:35:7 | tmp |
 | type_tracker.rb:35:11:35:15 | Array | type_tracker.rb:35:11:35:15 | Array |
@@ -743,29 +547,22 @@ trackEnd
 | type_tracker.rb:50:14:50:26 | call to [] | type_tracker.rb:50:14:50:26 | call to [] |
 | type_tracker.rb:50:14:50:26 | call to [] | type_tracker.rb:51:5:51:10 | array4 |
 | type_tracker.rb:50:14:50:26 | call to [] | type_tracker.rb:52:5:52:10 | array4 |
-| type_tracker.rb:50:15:50:15 | 1 | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:15:50:15 | 1 | type_tracker.rb:50:15:50:15 | 1 |
 | type_tracker.rb:50:15:50:15 | 1 | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:17:50:17 | 2 | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:17:50:17 | 2 | type_tracker.rb:50:17:50:17 | 2 |
 | type_tracker.rb:50:17:50:17 | 2 | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:19:50:19 | 3 | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:19:50:19 | 3 | type_tracker.rb:50:19:50:19 | 3 |
 | type_tracker.rb:50:19:50:19 | 3 | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:21:50:21 | 4 | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:21:50:21 | 4 | type_tracker.rb:50:21:50:21 | 4 |
 | type_tracker.rb:50:21:50:21 | 4 | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:23:50:23 | 5 | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:23:50:23 | 5 | type_tracker.rb:50:23:50:23 | 5 |
 | type_tracker.rb:50:23:50:23 | 5 | type_tracker.rb:52:5:52:13 | ...[...] |
-| type_tracker.rb:50:25:50:25 | 6 | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:50:25:50:25 | 6 | type_tracker.rb:50:25:50:25 | 6 |
 | type_tracker.rb:50:25:50:25 | 6 | type_tracker.rb:52:5:52:13 | ...[...] |
 | type_tracker.rb:51:5:51:10 | [post] array4 | type_tracker.rb:51:5:51:10 | [post] array4 |
 | type_tracker.rb:51:5:51:10 | [post] array4 | type_tracker.rb:52:5:52:10 | array4 |
 | type_tracker.rb:51:5:51:13 | call to []= | type_tracker.rb:51:5:51:13 | call to []= |
 | type_tracker.rb:51:17:51:19 | __synth__0 | type_tracker.rb:51:17:51:19 | __synth__0 |
-| type_tracker.rb:52:5:52:13 | ...[...] | type_tracker.rb:34:1:53:3 | return return in throughArray |
 | type_tracker.rb:52:5:52:13 | ...[...] | type_tracker.rb:52:5:52:13 | ...[...] |
 forwardButNoBackwardFlow
 backwardButNoForwardFlow