Bug #10060: private attr_accessor and NoMethodError

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.1.2p95 (2014-05-08 revision 45877) [x86_64-linux]
• Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN

class Bug
  def initialize
    self.n = 1 # ok
  end

  def t1
    self.n = n + 1 # ok
    self.n += 1 # in `t1': private method `n' called for #<Bug:0x000000019ae1a0 @n=2> (NoMethodError)
  end

  def t2
    n # ok
    self.n # in `t2': private method `n' called for #<Bug:0x0000000218a360 @n=1> (NoMethodError)
  end

  private

  attr_accessor :n
end

[avit (Andrew Vit)]

Not a bug, there is no such thing as a private accessor

[nobu (Nobuyoshi Nakada)]

• Related to Bug #9907: Abbreviated method assignment with private attr_writer/attr_reader does not work. added

[nobu (Nobuyoshi Nakada)]

• Description updated (diff)

diff --git i/compile.c w/compile.c
index 637e112..556efc2 100644
--- i/compile.c
+++ w/compile.c
@@ -4178,8 +4178,8 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 
 	asgnflag = COMPILE_RECV(ret, "NODE_OP_ASGN2#recv", node);
 	ADD_INSN(ret, line, dup);
-	ADD_SEND(ret, line, ID2SYM(node->nd_next->nd_vid),
-		 INT2FIX(0));
+	ADD_SEND_R(ret, line, ID2SYM(node->nd_next->nd_vid),
+		   INT2FIX(0), Qfalse, INT2FIX(asgnflag));
 
 	if (atype == 0 || atype == 1) {	/* 0: OR or 1: AND */
 	    ADD_INSN(ret, line, dup);

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r46873.

---

compile.c: private reader in op_assign

• compile.c (iseq_compile_each): allow to access private attribute
  reader in op_assign. [ruby-core:63817] [Bug #10060]

[nobu (Nobuyoshi Nakada)]

• Related to Bug #11096: 'private' access control bypassed when ||= is used added