8140650: Method::is_accessor should cover getters and setters for all types

Reviewed-by: vlivanov, coleenp, sgehwolf
This commit is contained in:
Aleksey Shipilev 2015-11-11 01:27:36 +03:00
parent 6ed8c23581
commit ac09d8a135
8 changed files with 196 additions and 6 deletions

View file

@ -582,12 +582,45 @@ bool Method::can_be_statically_bound() const {
}
bool Method::is_accessor() const {
return is_getter() || is_setter();
}
bool Method::is_getter() const {
if (code_size() != 5) return false;
if (size_of_parameters() != 1) return false;
if (java_code_at(0) != Bytecodes::_aload_0 ) return false;
if (java_code_at(0) != Bytecodes::_aload_0) return false;
if (java_code_at(1) != Bytecodes::_getfield) return false;
if (java_code_at(4) != Bytecodes::_areturn &&
java_code_at(4) != Bytecodes::_ireturn ) return false;
switch (java_code_at(4)) {
case Bytecodes::_ireturn:
case Bytecodes::_lreturn:
case Bytecodes::_freturn:
case Bytecodes::_dreturn:
case Bytecodes::_areturn:
break;
default:
return false;
}
return true;
}
bool Method::is_setter() const {
if (code_size() != 6) return false;
if (java_code_at(0) != Bytecodes::_aload_0) return false;
switch (java_code_at(1)) {
case Bytecodes::_iload_1:
case Bytecodes::_aload_1:
case Bytecodes::_fload_1:
if (size_of_parameters() != 2) return false;
break;
case Bytecodes::_dload_1:
case Bytecodes::_lload_1:
if (size_of_parameters() != 3) return false;
break;
default:
return false;
}
if (java_code_at(2) != Bytecodes::_putfield) return false;
if (java_code_at(5) != Bytecodes::_return) return false;
return true;
}