[#GROOVY-4473] Cannot access outer class getter from inner class GString with property syntax - jira.codehaus.org

Details

Type: Sub-task
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: 1.7.5
Fix Version/s: None
Component/s: None
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None

Number of attachments :
0

Description

The following code...

InnerClassGString.groovy:

class Outer {  
  def foo() {
    def r = new Runnable() {
      public void run() {
        println "value of x is $x" // ${getX()} works, also $x with a field x
      }
    }       
    r.run()
  }  
  
  def getX() { 10 }     
}         

new Outer().foo()

...produces (when run via groovy command):

Caught: groovy.lang.MissingFieldException: No such field: x for class: Outer
	at Outer.this$dist$get$2(InnerClassGString.groovy)
	at Outer$1.propertyMissing(InnerClassGString.groovy)
	at Outer$1.run(InnerClassGString.groovy:5)
	at Outer.foo(InnerClassGString.groovy:8)
	at InnerClassGString.run(InnerClassGString.groovy:14)

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Roshan Dawrani added a comment - 11/Oct/10 9:56 PM

Doesn't have anything to do with GString, because the following version also fails with the same error

class Outer {  
  def foo() {
    def r = new Runnable() {
      public void run() {
        def y = x
        println y
      }
    }       
    r.run()
  }  
  
  def getX() { 10 }     
}         

new Outer().foo()

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Roshan Dawrani added a comment - 11/Oct/10 9:56 PM Doesn't have anything to do with GString, because the following version also fails with the same error class Outer { def foo() { def r = new Runnable () { public void run() { def y = x println y } } r.run() } def getX() { 10 } } new Outer().foo()

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Matthias added a comment - 21/Feb/11 3:50 AM - edited

Can confirm this for Groovy 1.7.8. Here's another example where this breaks when inheritance is involved (without the inheritance, it works):

class Outer {
  def myField = 42
 
  def run() {
    new Inner().run()
  }
 
  class Inner {
    def run() { println myField }
  }
}

new Outer().run() // OK

class Inherited extends Outer {}

new Inherited().run() // BOOM!

groovy.lang.MissingFieldException: No such field: myField for class: Inherited
    at groovy.lang.MetaClassImpl.getAttribute(MetaClassImpl.java:2497)
    at groovy.lang.MetaClassImpl.getAttribute(MetaClassImpl.java:3319) 
...

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Matthias added a comment - 21/Feb/11 3:50 AM - edited Can confirm this for Groovy 1.7.8. Here's another example where this breaks when inheritance is involved (without the inheritance, it works): class Outer { def myField = 42 def run() { new Inner().run() } class Inner { def run() { println myField } } } new Outer().run() // OK class Inherited extends Outer {} new Inherited().run() // BOOM! groovy.lang.MissingFieldException: No such field: myField for class: Inherited at groovy.lang.MetaClassImpl.getAttribute(MetaClassImpl.java:2497) at groovy.lang.MetaClassImpl.getAttribute(MetaClassImpl.java:3319) ...

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Marcus Better added a comment - 26/Mar/12 4:19 AM

Still appears in 1.8.4. Another variation at http://groovyconsole.appspot.com/script/653003

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Marcus Better added a comment - 26/Mar/12 4:19 AM Still appears in 1.8.4. Another variation at http://groovyconsole.appspot.com/script/653003

Cannot access outer class getter from inner class GString with property syntax

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