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				@@ -1957,114 +1957,7 @@ $globals.CascadeNode); 
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				-$core.addClass('ReturnNode', $globals.Node, ['scope'], 'Compiler-AST'); 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-$globals.ReturnNode.comment="I represent an return node. At the AST level, there is not difference between a local return or non-local return."; 
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				-//>>excludeEnd("ide"); 
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				-$core.addMethod( 
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				-$core.method({ 
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				-selector: "accept:", 
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				-protocol: 'visiting', 
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				-fn: function (aVisitor){ 
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				-var self=this; 
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				-//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				-return $core.withContext(function($ctx1) { 
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				-//>>excludeEnd("ctx"); 
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				-return $recv(aVisitor)._visitReturnNode_(self); 
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				-//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				-}, function($ctx1) {$ctx1.fill(self,"accept:",{aVisitor:aVisitor},$globals.ReturnNode)}); 
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				-//>>excludeEnd("ctx"); 
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				-}, 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-args: ["aVisitor"], 
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				-source: "accept: aVisitor\x0a\x09^ aVisitor visitReturnNode: self", 
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				-referencedClasses: [], 
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				-//>>excludeEnd("ide"); 
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				-messageSends: ["visitReturnNode:"] 
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				-}), 
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				-$globals.ReturnNode); 
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				- 
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				-$core.addMethod( 
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				-$core.method({ 
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				-selector: "isReturnNode", 
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				-protocol: 'testing', 
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				-fn: function (){ 
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				-var self=this; 
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				-return true; 
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				- 
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				-}, 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-args: [], 
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				-source: "isReturnNode\x0a\x09^ true", 
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				-referencedClasses: [], 
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				-//>>excludeEnd("ide"); 
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				-messageSends: [] 
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				-}), 
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				-$globals.ReturnNode); 
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				- 
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				-$core.addMethod( 
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				-$core.method({ 
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				-selector: "nonLocalReturn", 
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				-protocol: 'testing', 
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				-fn: function (){ 
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				-var self=this; 
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				-//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				-return $core.withContext(function($ctx1) { 
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				-//>>excludeEnd("ctx"); 
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				-return $recv($recv(self._scope())._isMethodScope())._not(); 
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				-//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				-}, function($ctx1) {$ctx1.fill(self,"nonLocalReturn",{},$globals.ReturnNode)}); 
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				-//>>excludeEnd("ctx"); 
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				-}, 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-args: [], 
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				-source: "nonLocalReturn\x0a\x09^ self scope isMethodScope not", 
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				-referencedClasses: [], 
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				-//>>excludeEnd("ide"); 
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				-messageSends: ["not", "isMethodScope", "scope"] 
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				-}), 
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				-$globals.ReturnNode); 
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				- 
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				-$core.addMethod( 
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				-$core.method({ 
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				-selector: "scope", 
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				-protocol: 'accessing', 
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				-fn: function (){ 
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				-var self=this; 
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				-return self["@scope"]; 
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				- 
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				-}, 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-args: [], 
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				-source: "scope\x0a\x09^ scope", 
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				-referencedClasses: [], 
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				-//>>excludeEnd("ide"); 
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				-messageSends: [] 
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				-}), 
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				-$globals.ReturnNode); 
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				- 
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				-$core.addMethod( 
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				-$core.method({ 
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				-selector: "scope:", 
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				-protocol: 'accessing', 
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				-fn: function (aLexicalScope){ 
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				-var self=this; 
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				-self["@scope"]=aLexicalScope; 
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				-return self; 
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				- 
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				-}, 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-args: ["aLexicalScope"], 
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				-source: "scope: aLexicalScope\x0a\x09scope := aLexicalScope", 
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				-referencedClasses: [], 
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				-//>>excludeEnd("ide"); 
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				-messageSends: [] 
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				-}), 
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				-$globals.ReturnNode); 
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				- 
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				- 
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				- 
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				-$core.addClass('SendNode', $globals.Node, ['selector', 'arguments', 'receiver', 'index'], 'Compiler-AST'); 
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				+$core.addClass('SendNode', $globals.QuasiSendNode, ['selector', 'arguments', 'index'], 'Compiler-AST'); 
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				 //>>excludeStart("ide", pragmas.excludeIdeData); 
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				 $globals.SendNode.comment="I represent an message send node."; 
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				 //>>excludeEnd("ide"); 
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				@@ -2355,24 +2248,6 @@ messageSends: ["ifNil:", "receiver", "copy", "arguments", "addAll:", "with:", "y 
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				 }), 
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				 $globals.SendNode); 
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				-$core.addMethod( 
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				-$core.method({ 
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				-selector: "receiver", 
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				-protocol: 'accessing', 
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				-fn: function (){ 
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				-var self=this; 
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				-return self["@receiver"]; 
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				- 
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				-}, 
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				-//>>excludeStart("ide", pragmas.excludeIdeData); 
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				-args: [], 
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				-source: "receiver\x0a\x09^ receiver", 
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				-referencedClasses: [], 
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				-//>>excludeEnd("ide"); 
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				-messageSends: [] 
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				-}), 
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				-$globals.SendNode); 
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				- 
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				 $core.addMethod( 
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				 $core.method({ 
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				 selector: "receiver:", 
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				@@ -2383,7 +2258,14 @@ var self=this; 
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				 return $core.withContext(function($ctx1) { 
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				 //>>excludeEnd("ctx"); 
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				 var $1; 
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				-self["@receiver"]=aNode; 
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				+( 
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				+//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				+$ctx1.supercall = true,  
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				+//>>excludeEnd("ctx"); 
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				+($globals.SendNode.superclass||$boot.dnu).fn.prototype._receiver_.apply($recv(self), [aNode])); 
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				+//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				+$ctx1.supercall = false; 
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				+//>>excludeEnd("ctx");; 
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				 $1=$recv(aNode)._isNode(); 
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				 if($core.assert($1)){ 
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				 $recv(aNode)._parent_(self); 
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				@@ -2395,10 +2277,10 @@ return self; 
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				 }, 
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				 //>>excludeStart("ide", pragmas.excludeIdeData); 
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				 args: ["aNode"], 
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				-source: "receiver: aNode\x0a\x09receiver := aNode.\x0a\x09aNode isNode ifTrue: [\x0a\x09\x09aNode parent: self ]", 
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				+source: "receiver: aNode\x0a\x09super receiver: aNode.\x0a\x09aNode isNode ifTrue: [\x0a\x09\x09aNode parent: self ]", 
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				 referencedClasses: [], 
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				 //>>excludeEnd("ide"); 
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				-messageSends: ["ifTrue:", "isNode", "parent:"] 
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				+messageSends: ["receiver:", "ifTrue:", "isNode", "parent:"] 
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				 }), 
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				 $globals.SendNode); 
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				@@ -2595,6 +2477,113 @@ $globals.SendNode); 
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				+$core.addClass('ReturnNode', $globals.Node, ['scope'], 'Compiler-AST'); 
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				+//>>excludeStart("ide", pragmas.excludeIdeData); 
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				+$globals.ReturnNode.comment="I represent an return node. At the AST level, there is not difference between a local return or non-local return."; 
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				+//>>excludeEnd("ide"); 
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				+$core.addMethod( 
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				+$core.method({ 
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				+selector: "accept:", 
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				+protocol: 'visiting', 
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				+fn: function (aVisitor){ 
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				+var self=this; 
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				+//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				+return $core.withContext(function($ctx1) { 
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				+//>>excludeEnd("ctx"); 
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				+return $recv(aVisitor)._visitReturnNode_(self); 
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				+//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				+}, function($ctx1) {$ctx1.fill(self,"accept:",{aVisitor:aVisitor},$globals.ReturnNode)}); 
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				+//>>excludeEnd("ctx"); 
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				+}, 
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				+//>>excludeStart("ide", pragmas.excludeIdeData); 
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				+args: ["aVisitor"], 
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				+source: "accept: aVisitor\x0a\x09^ aVisitor visitReturnNode: self", 
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				+referencedClasses: [], 
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				+//>>excludeEnd("ide"); 
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				+messageSends: ["visitReturnNode:"] 
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				+}), 
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				+$globals.ReturnNode); 
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				+ 
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				+$core.addMethod( 
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				+$core.method({ 
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				+selector: "isReturnNode", 
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				+protocol: 'testing', 
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				+fn: function (){ 
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				+var self=this; 
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				+return true; 
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				+ 
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				+}, 
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				+//>>excludeStart("ide", pragmas.excludeIdeData); 
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				+args: [], 
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				+source: "isReturnNode\x0a\x09^ true", 
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				+referencedClasses: [], 
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				+//>>excludeEnd("ide"); 
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				+messageSends: [] 
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				+}), 
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				+$globals.ReturnNode); 
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				+ 
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				+$core.addMethod( 
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				+$core.method({ 
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				+selector: "nonLocalReturn", 
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				+protocol: 'testing', 
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				+fn: function (){ 
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				+var self=this; 
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				+//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				+return $core.withContext(function($ctx1) { 
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				+//>>excludeEnd("ctx"); 
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				+return $recv($recv(self._scope())._isMethodScope())._not(); 
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				+//>>excludeStart("ctx", pragmas.excludeDebugContexts); 
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				+}, function($ctx1) {$ctx1.fill(self,"nonLocalReturn",{},$globals.ReturnNode)}); 
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				+//>>excludeEnd("ctx"); 
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				+}, 
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				+//>>excludeStart("ide", pragmas.excludeIdeData); 
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				+args: [], 
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				+source: "nonLocalReturn\x0a\x09^ self scope isMethodScope not", 
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				+referencedClasses: [], 
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				+//>>excludeEnd("ide"); 
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				+messageSends: ["not", "isMethodScope", "scope"] 
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				+}), 
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				+$globals.ReturnNode); 
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				+ 
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				+$core.addMethod( 
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				+$core.method({ 
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				+selector: "scope", 
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				+protocol: 'accessing', 
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				+fn: function (){ 
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				+var self=this; 
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				+return self["@scope"]; 
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				+ 
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				+}, 
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				+//>>excludeStart("ide", pragmas.excludeIdeData); 
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				+args: [], 
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				+source: "scope\x0a\x09^ scope", 
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				+referencedClasses: [], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+//>>excludeEnd("ide"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+messageSends: [] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+}), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+$globals.ReturnNode); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+$core.addMethod( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+$core.method({ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+selector: "scope:", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+protocol: 'accessing', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+fn: function (aLexicalScope){ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+var self=this; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+self["@scope"]=aLexicalScope; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+return self; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+}, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+//>>excludeStart("ide", pragmas.excludeIdeData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+args: ["aLexicalScope"], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+source: "scope: aLexicalScope\x0a\x09scope := aLexicalScope", 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+referencedClasses: [], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+//>>excludeEnd("ide"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+messageSends: [] 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+}), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+$globals.ReturnNode); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 $core.addClass('SequenceNode', $globals.Node, ['temps', 'scope'], 'Compiler-AST'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 //>>excludeStart("ide", pragmas.excludeIdeData); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 $globals.SequenceNode.comment="I represent an sequence node. A sequence represent a set of instructions inside the same scope (the method scope or a block scope)."; 
			 |