Feature #10585 » 0002-struct.c-cache-member-definition-in-a-subclass.patch
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static inline VALUE
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struct_ivar_get(VALUE c, ID id)
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{
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for (;;) {
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if (rb_ivar_defined(c, id))
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return rb_ivar_get(c, id);
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c = RCLASS_SUPER(c);
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if (c == 0 || c == rb_cStruct)
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return Qnil;
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VALUE orig = c;
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VALUE ivar = rb_attr_get(c, id);
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if (ivar != Qnil)
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return ivar;
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for(;;) {
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c = RCLASS_SUPER(c);
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if (c == 0 || c == rb_cStruct)
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return Qnil;
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ivar = rb_attr_get(c, id);
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if (ivar != Qnil) {
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rb_ivar_set(orig, id, ivar);
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return ivar;
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}
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}
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}
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