[GROOVY-8283] Field shadowing not considered in STC

• Type: Bug
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.4.12
• Component/s: Static compilation, Static Type Checker
• Labels: breaking
• Assignee: Eric Milles
• Reporter: Daniil Ovchinnikov
• Created: 10/Aug/17 10:15
• Updated: 19/Aug/22 17:06

Description

import groovy.transform.CompileStatic

@CompileStatic class A {}

@CompileStatic class B {}

@CompileStatic class Parent {
  protected A ff = new A()

  A getFf() { ff }
}

@CompileStatic class Child extends Parent {
  protected B ff = new B()
}

@CompileStatic class Usage extends Child {

  def test() {
    println ff        // A@id
    println getFf()   // A@id
    println this.@ff  // B@id
  }

  def test2() {
    I.wantsB(ff)        // ScriptBytecodeAdapter.castToType(((Usage)this).getFf(), B.class)) is generated (wrong)
    I.wantsB(getFf())   // [STC] - Cannot find matching method I#wantsB(A)
    I.wantsB(this.@ff)  // [STC] - Cannot find matching method I#wantsB(A) (wrong)
  }
}

@CompileStatic class I {
  static void wantsB(B b) {}
}

new Usage().test()

Issue Links

• links to: GitHub Pull Request #1767