Boo

check variable access and privileges at compile time

Details

  • Type: Bug Bug
  • Status: Resolved Resolved
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: None
  • Fix Version/s: 0.6
  • Component/s: Compiler
  • Labels:
    None
  • Number of attachments :
    0

Description

class A:
private privatefield = 1
protected protectedfield = 2
public final publicfinalfield as int = 3

a = A()
//these should throw an error at compile time:
//print a.privatefield
//print a.protectedfield

//modifying a final field
print a.publicfinalfield
a.publicfinalfield += 1 //no error modifying final field
print a.publicfinalfield
a.publicfinalfield += 1 //no error modifying final field
print a.publicfinalfield

I'll look into creating more test cases later.

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Ayende Rahien added a comment -

It doesn't work on set properties (but works on get properties).
>>> class M:
... private Prop:
... set:
... pass
...
>>> m().Prop = null
----^
ERROR: Unknown identifier: 'm'.
>>> M().Prop = null
System.MethodAccessException: M.set_Prop(System.Object)
at Input3Module.Main(String[] argv)

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Ayende Rahien added a comment - It doesn't work on set properties (but works on get properties). >>> class M: ... private Prop: ... set: ... pass ... >>> m().Prop = null ----^ ERROR: Unknown identifier: 'm'. >>> M().Prop = null System.MethodAccessException: M.set_Prop(System.Object) at Input3Module.Main(String[] argv)
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Doug H added a comment -

Also constructors:

class C:
private def constructor():
print "no!"

c = C()
print c

gives a methodaccessexception at runtime

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Doug H added a comment - Also constructors: class C: private def constructor(): print "no!" c = C() print c gives a methodaccessexception at runtime

People

  • Assignee:
    Rodrigo B. de Oliveira
    Reporter:
    Doug H
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Dates

  • Created:
    Updated:
    Resolved: