����JFIFXX�����    $.' ",#(7),01444'9=82<.342  2!!22222222222222222222222222222222222222222222222222����"��4�� ���,�PG"Z_�4�˷����kjز�Z�,F+��_z�,�© �����zh6�٨�ic�fu���#ډb���_�N�?��wQ���5-�~�I���8����TK<5o�Iv-�����k�_U_�����~b�M��d����Ӝ�U�Hh��?]��E�w��Q���k�{��_}qFW7HTՑ��Y��F�?_�'ϔ��_�Ջt��=||I ��6�έ"�����D���/[�k�9���Y�8ds|\���Ҿp6�Ҵ���]��.����6�z<�v��@]�i%��$j��~�g��J>��no����pM[me�i$[����s�o�ᘨ�˸ nɜG-�ĨU�ycP�3.DB�li�;��hj���x7Z^�N�h������N3u{�:j�x�힞��#M&��jL P@_���� P��&��o8������9�����@Sz6�t7#O�ߋ �s}Yf�T���lmr����Z)'N��k�۞p����w\�Tȯ?�8`�O��i{wﭹW�[�r�� ��Q4F�׊���3m&L�=��h3����z~��#�\�l :�F,j@�� ʱ�wQT����8�"kJO���6�֚l����}���R�>ډK���]��y����&����p�}b��;N�1�m�r$�|��7�>e�@B�TM*-iH��g�D�)� E�m�|�ؘbҗ�a��Ҿ����t4���o���G��*oCN�rP���Q��@z,|?W[0�����:�n,jWiE��W��$~/�hp\��?��{(�0���+�Y8rΟ�+����>S-S����VN;�}�s?.����� w�9��˟<���Mq4�Wv'��{)0�1mB��V����W[�����8�/<� �%���wT^�5���b��)iM� pg�N�&ݝ��VO~�q���u���9� ����!��J27����$O-���! �:�%H��� ـ����y�ΠM=t{!S�� oK8������t<����è:a������[�����ա�H���~��w��Qz`�po�^ ����Q��n� �,uu�C�$ ^���,������8�#��:�6��e�|~���!�3�3.�\0��q��o�4`.|� ����y�Q�`~;�d�ׯ,��O�Zw�������`73�v�܋�<���Ȏ�� ـ4k��5�K�a�u�=9Yd��$>x�A�&�� j0� ���vF��� Y�|�y��� ~�6�@c��1vOp�Ig����4��l�OD���L����� R���c���j�_�uX6��3?nk��Wy�f;^*B� ��@�~a�`��Eu������+���6�L��.ü>��}y���}_�O�6�͐�:�YrG�X��kG�����l^w���~㒶sy��Iu�!� W ��X��N�7BV��O��!X�2����wvG�R�f�T#�����t�/?���%8�^�W�aT��G�cL�M���I��(J����1~�8�?aT ���]����AS�E��(��*E}� 2��#I/�׍qz��^t�̔���b�Yz4x���t�){ OH��+(E��A&�N�������XT��o��"�XC��'���)}�J�z�p� ��~5�}�^����+�6����w��c��Q�|Lp�d�H��}�(�.|����k��c4^�"�����Z?ȕ ��a<�L�!039C� �Eu�C�F�Ew�ç ;�n?�*o���B�8�bʝ���'#Rqf���M}7����]����s2tcS{�\icTx;�\��7K���P���ʇ Z O-��~��c>"��?�������P��E��O�8��@�8��G��Q�g�a�Վ���󁶠�䧘��_%#r�>�1�z�a��eb��qcPѵ��n���#L��� =��׀t� L�7�`��V���A{�C:�g���e@�w1 Xp3�c3�ġ����p��M"'-�@n4���fG��B3�DJ�8[Jo�ߐ���gK)ƛ��$���� ���8�3�����+���� �����6�ʻ���� ���S�kI�*KZlT _`���?��K����QK�d����B`�s}�>���`��*�>��,*@J�d�oF*����弝��O}�k��s��]��y�ߘ��c1G�V���<=�7��7����6�q�PT��tXԀ�!9*4�4Tހ3XΛex�46���Y��D ����� �BdemDa����\�_l,��G�/���֌7���Y�](�xTt^%�GE�����4�}bT���ڹ�����;Y)���B�Q��u��>J/J �⮶.�XԄ��j�ݳ�+E��d ��r�5�_D�1 ��o�� �B�x�΢�#���<��W�����8���R6�@g�M�.��� dr�D��>(otU��@x=��~v���2� ӣ�d�oBd��3�eO�6�㣷�����ݜ6��6Y��Qz`��S��{���\P�~z m5{J/L��1������<�e�ͅPu�b�]�ϔ���'������f�b� Zpw��c`"��i���BD@:)ִ�:�]��hv�E�w���T�l��P���"Ju�}��وV J��G6��. J/�Qgl߭�e�����@�z�Zev2u�)]կ�����7x���s�M�-<ɯ�c��r�v�����@��$�ޮ}lk���a���'����>x��O\�ZFu>�����ck#��&:��`�$�ai�>2Δ����l���oF[h��lE�ܺ�Πk:)���`�� $[6�����9�����kOw�\|���8}������ބ:��񶐕��I�A1/�=�2[�,�!��.}gN#�u����b��� ~��݊��}34q����d�E��Lc��$��"�[q�U�硬g^��%B �z���r�pJ�ru%v\h1Y�ne`ǥ:g���pQM~�^�Xi� ��`S�:V29.�P���V�?B�k�� AEvw%�_�9C�Q����wKekPؠ�\�;Io d�{ ߞo�c1eP����\� `����E=���@K<�Y���eڼ�J���w����{av�F�'�M�@/J��+9p���|]�����Iw &`��8���&M�hg��[�{��Xj��%��Ӓ�$��(����ʹN���<>�I���RY���K2�NPlL�ɀ)��&e����B+ь����( � �JTx���_?EZ� }@ 6�U���뙢ط�z��dWI�n` D����噥�[��uV��"�G&Ú����2g�}&m��?ċ�"����Om#��������� ��{�ON��"S�X��Ne��ysQ���@Fn��Vg���dX�~nj�]J�<�K]:��FW��b�������62�=��5f����JKw��bf�X�55��~J �%^����:�-�QIE��P��v�nZum� z � ~ə ���� ���ة����;�f��\v���g�8�1��f24;�V���ǔ�)����9���1\��c��v�/'Ƞ�w�������$�4�R-��t���� e�6�/�ġ �̕Ecy�J���u�B���<�W�ַ~�w[B1L۲�-JS΂�{���΃������A��20�c#��@ 0!1@AP"#2Q`$3V�%45a6�FRUq��� ����^7ׅ,$n�������+��F�`��2X'��0vM��p�L=������5��8������u�p~���.�`r�����\���O��,ư�0oS ��_�M�����l���4�kv\JSd���x���SW�<��Ae�IX����������$I���w�:S���y���›R��9�Q[���,�5�;�@]�%���u�@ *ro�lbI �� ��+���%m:�͇ZV�����u�̉����θau<�fc�.����{�4Ա� �Q����*�Sm��8\ujqs]{kN���)qO�y�_*dJ�b�7���yQqI&9�ԌK!�M}�R�;������S�T���1���i[U�ɵz�]��U)V�S6���3$K{�ߊ<�(� E]Զ[ǼENg�����'�\?#)Dkf��J���o��v���'�%ƞ�&K�u�!��b�35LX�Ϸ��63$K�a�;�9>,R��W��3�3� d�JeTYE.Mϧ��-�o�j3+y��y^�c�������VO�9NV\nd�1 ��!͕_)a�v;����թ�M�lWR1��)El��P;��yوÏ�u 3�k�5Pr6<�⒲l�!˞*��u־�n�!�l:����UNW ��%��Chx8vL'��X�@��*��)���̮��ˍ��� ���D-M�+J�U�kvK����+�x8��cY������?�Ԡ��~3mo��|�u@[XeY�C�\Kp�x8�oC�C�&����N�~3-H���� ��MX�s�u<`���~"WL��$8ξ��3���a�)|:@�m�\���^�`�@ҷ)�5p+��6���p�%i)P M���ngc�����#0Aruz���RL+xSS?���ʮ}()#�t��mˇ!��0}}y����<�e� �-ή�Ԩ��X������ MF���ԙ~l L.3���}�V뽺�v�����멬��Nl�)�2����^�Iq��a��M��qG��T�����c3#������3U�Ǎ���}��לS�|qa��ڃ�+���-��2�f����/��bz��ڐ�� �ݼ[2�ç����k�X�2�* �Z�d���J�G����M*9W���s{��w���T��x��y,�in�O�v��]���n����P�$�JB@=4�OTI�n��e�22a\����q�d���%�$��(���:���: /*�K[PR�fr\nڙdN���F�n�$�4�[�� U�zƶ����� �mʋ���,�ao�u 3�z� �x��Kn����\[��VFmbE;�_U��&V�Gg�]L�۪&#n%�$ɯ�dG���D�TI=�%+AB�Ru#��b4�1�»x�cs�YzڙJG��f��Il��d�eF'T� iA��T���uC�$����Y��H?����[!G`}���ͪ� �纤Hv\������j�Ex�K���!���OiƸ�Yj�+u-<���'q����uN�*�r\��+�]���<�wOZ.fp�ێ��,-*)V?j-kÊ#�`�r��dV����(�ݽBk�����G�ƛk�QmUڗe��Z���f}|����8�8��a���i��3'J�����~G_�^���d�8w������ R�`(�~�.��u���l�s+g�bv���W���lGc}��u���afE~1�Ue������Z�0�8�=e�� f@/�jqEKQQ�J��oN��J���W5~M>$6�Lt�;$ʳ{���^��6�{����v6���ķܰg�V�cnn �~z�x�«�,2�u�?cE+Ș�H؎�%�Za�)���X>uW�Tz�Nyo����s���FQƤ��$��*�&�LLXL)�1�" L��eO��ɟ�9=���:t��Z���c��Ž���Y?�ӭV�wv�~,Y��r�ۗ�|�y��GaF�����C�����.�+� ���v1���fήJ�����]�S��T��B��n5sW}y�$��~z�'�c ��8 ��� ,! �p��VN�S��N�N�q��y8z˱�A��4��*��'������2n<�s���^ǧ˭P�Jޮɏ�U�G�L�J�*#��<�V��t7�8����TĜ>��i}K%,���)[��z�21z ?�N�i�n1?T�I�R#��m-�����������������1����lA�`��fT5+��ܐ�c�q՝��ʐ��,���3�f2U�եmab��#ŠdQ�y>\��)�SLY����w#��.���ʑ�f��� ,"+�w�~�N�'�c�O�3F�������N<���)j��&��,-� �љ���֊�_�zS���TǦ����w�>��?�������n��U仆�V���e�����0���$�C�d���rP �m�׈e�Xm�Vu� �L��.�bֹ��� �[Դaզ���*��\y�8�Է:�Ez\�0�Kq�C b��̘��cө���Q��=0Y��s�N��S.���3.���O�o:���#���v7�[#߫ ��5�܎�L���Er4���9n��COWlG�^��0k�%<���ZB���aB_���������'=��{i�v�l�$�uC���mƎҝ{�c㱼�y]���W�i ��ߧc��m�H� m�"�"�����;Y�ߝ�Z�Ǔ�����:S#��|}�y�,/k�Ld� TA�(�AI$+I3��;Y*���Z��}|��ӧO��d�v��..#:n��f>�>���ȶI�TX��� 8��y����"d�R�|�)0���=���n4��6ⲑ�+��r<�O�܂~zh�z����7ܓ�HH�Ga롏���nCo�>������a ���~]���R���̲c?�6(�q�;5%� |�uj�~z8R=X��I�V=�|{v�Gj\gc��q����z�؋%M�ߍ����1y��#��@f^���^�>N�����#x#۹��6�Y~�?�dfPO��{��P�4��V��u1E1J �*|���%���JN��`eWu�zk M6���q t[�� ��g�G���v��WIG��u_ft����5�j�"�Y�:T��ɐ���*�;� e5���4����q$C��2d�}���� _S�L#m�Yp��O�.�C�;��c����Hi#֩%+) �Ӎ��ƲV���SYź��g |���tj��3�8���r|���V��1#;.SQ�A[���S������#���`n�+���$��$I �P\[�@�s��(�ED�z���P��])8�G#��0B��[ى��X�II�q<��9�~[Z멜�Z�⊔IWU&A>�P~�#��dp<�?����7���c��'~���5 ��+$���lx@�M�dm��n<=e�dyX��?{�|Aef ,|n3�<~z�ƃ�uۧ�����P��Y,�ӥQ�*g�#먙R�\���;T��i,��[9Qi歉����c>]9�� ��"�c��P�� �Md?٥��If�ت�u��k��/����F��9�c*9��Ǎ:�ØF���z�n*�@|I�ށ9����N3{'��[�'ͬ�Ҳ4��#}��!�V� Fu��,�,mTIk���v C�7v���B�6k�T9��1�*l� '~��ƞF��lU��'�M ����][ΩũJ_�{�i�I�n��$���L�� j��O�dx�����kza۪��#�E��Cl����x˘�o�����V���ɞ�ljr��)�/,�߬h�L��#��^��L�ф�,íMƁe�̩�NB�L�����iL����q�}��(��q��6IçJ$�W�E$��:������=#����(�K�B����zђ <��K(�N�۫K�w��^O{!����)�H���>x�������lx�?>Պ�+�>�W���,Ly!_�D���Ō�l���Q�!�[ �S����J��1��Ɛ�Y}��b,+�Lo�x�ɓ)����=�y�oh�@�꥟/��I��ѭ=��P�y9��� �ۍYӘ�e+�p�Jnϱ?V\SO%�(�t� ���=?MR�[Ș�����d�/ ��n�l��B�7j� ��!�;ӥ�/�[-���A�>�dN�sLj ��,ɪv��=1c�.SQ�O3�U���ƀ�ܽ�E����������̻��9G�ϷD�7(�}��Ävӌ\�y�_0[w ���<΍>����a_��[0+�L��F.�޺��f�>oN�T����q;���y\��bՃ��y�jH�<|q-eɏ�_?_9+P���Hp$�����[ux�K w�Mw��N�ی'$Y2�=��q���KB��P��~������Yul:�[<����F1�2�O���5=d����]Y�sw:���Ϯ���E��j,_Q��X��z`H1,#II ��d�wr��P˂@�ZJV����y$�\y�{}��^~���[:N����ߌ�U�������O��d�����ؾe��${p>G��3c���Ė�lʌ�� ת��[��`ϱ�-W����dg�I��ig2��� ��}s ��ؤ(%#sS@���~���3�X�nRG�~\jc3�v��ӍL��M[JB�T��s3}��j�Nʖ��W����;7��ç?=X�F=-�=����q�ߚ���#���='�c��7���ڑW�I(O+=:uxq�������������e2�zi+�kuG�R��������0�&e�n���iT^J����~\jy���p'dtG��s����O��3����9* �b#Ɋ�� p������[Bws�T�>d4�ۧs���nv�n���U���_�~,�v����ƜJ1��s�� �QIz��)�(lv8M���U=�;����56��G���s#�K���MP�=��LvyGd��}�VwWBF�'�à �?MH�U�g2�� ����!�p�7Q��j��ڴ����=��j�u��� Jn�A s���uM������e��Ɔ�Ҕ�!)'��8Ϣ�ٔ��ޝ(��Vp���צ֖d=�IC�J�Ǡ{q������kԭ�߸���i��@K����u�|�p=..�*+����x�����z[Aqġ#s2a�Ɗ���RR�)*HRsi�~�a &f��M��P����-K�L@��Z��Xy�'x�{}��Zm+���:�)�) IJ�-i�u���� ���ܒH��'�L(7�y�GӜq���� j��� 6ߌg1�g�o���,kر���tY�?W,���p���e���f�OQS��!K�۟cҒA�|ս�j�>��=⬒��˧L[�� �߿2JaB~R��u�:��Q�] �0H~���]�7��Ƽ�I���(}��cq '�ήET���q�?f�ab���ӥvr� �)o��-Q��_'����ᴎo��K������;��V���o��%���~OK ����*��b�f:���-ťIR��`B�5!RB@���ï�� �u �̯e\�_U�_������� g�ES��3�������QT��a����x����U<~�c?�*�#]�MW,[8O�a�x��]�1bC|踤�P��lw5V%�)�{t�<��d��5���0i�XSU��m:��Z�┵�i�"��1�^B�-��P�hJ��&)O��*�D��c�W��vM��)����}���P��ܗ-q����\mmζZ-l@�}��a��E�6��F�@��&Sg@���ݚ�M����� ȹ 4����#p�\H����dYDo�H���"��\��..R�B�H�z_�/5˘����6��KhJR��P�mƶi�m���3�,#c�co��q�a)*Pt����R�m�k�7x�D�E�\Y�閣_X�<���~�)���c[[�BP����6�Yq���S��0����%_����;��Àv�~�| VS؇ ��'O0��F0��\���U�-�d@�����7�SJ*z��3n��y��P����O���������m�~�P�3|Y��ʉr#�C�<�G~�.,! ���bqx���h~0=��!ǫ�jy����l�O,�[B��~��|9��ٱ����Xly�#�i�B��g%�S��������tˋ���e���ې��\[d�t)��.+u�|1 ������#�~Oj����hS�%��i.�~X���I�H�m��0n���c�1uE�q��cF�RF�o���7� �O�ꮧ� ���ۛ{��ʛi5�rw?׌#Qn�TW��~?y$��m\�\o����%W� ?=>S�N@�� �Ʈ���R����N�)�r"C�:��:����� �����#��qb��Y�. �6[��2K����2u�Ǧ�HYR��Q�MV��� �G�$��Q+.>�����nNH��q�^��� ����q��mM��V��D�+�-�#*�U�̒ ���p욳��u:�������IB���m���PV@O���r[b= �� ��1U�E��_Nm�yKbN�O���U�}�the�`�|6֮P>�\2�P�V���I�D�i�P�O;�9�r�mAHG�W�S]��J*�_�G��+kP�2����Ka�Z���H�'K�x�W�MZ%�O�YD�Rc+o��?�q��Ghm��d�S�oh�\�D�|:W������UA�Qc yT�q������~^�H��/��#p�CZ���T�I�1�ӏT����4��"�ČZ�����}��`w�#�*,ʹ�� ��0�i��課�Om�*�da��^gJ݅{���l�e9uF#T�ֲ��̲�ٞC"�q���ߍ ոޑ�o#�XZTp����@ o�8��(jd��xw�]�,f���`~�|,s��^����f�1���t��|��m�򸄭/ctr��5s��7�9Q�4�H1꠲BB@l9@���C�����+�wp�xu�£Yc�9��?`@#�o�mH�s2��)�=��2�.�l����jg�9$�Y�S�%*L������R�Y������7Z���,*=�䷘$�������arm�o�ϰ���UW.|�r�uf����IGw�t����Zwo��~5 ��YյhO+=8fF�)�W�7�L9lM�̘·Y���֘YLf�큹�pRF���99.A �"wz��=E\Z���'a� 2��Ǚ�#;�'}�G���*��l��^"q��+2FQ� hj��kŦ��${���ޮ-�T�٭cf�|�3#~�RJ����t��$b�(R��(����r���dx� >U b�&9,>���%E\� Ά�e�$��'�q't��*�א���ެ�b��-|d���SB�O�O��$�R+�H�)�܎�K��1m`;�J�2�Y~9��O�g8=vqD`K[�F)k�[���1m޼c��n���]s�k�z$@��)!I �x՝"v��9=�ZA=`Ɠi �:�E��)`7��vI��}d�YI�_ �o�:ob���o ���3Q��&D&�2=�� �Ά��;>�h����y.*ⅥS������Ӭ�+q&����j|UƧ����}���J0��WW< ۋS�)jQR�j���Ư��rN)�Gű�4Ѷ(�S)Ǣ�8��i��W52���No˓� ۍ%�5brOn�L�;�n��\G����=�^U�dI���8$�&���h��'���+�(������cȁ߫k�l��S^���cƗjԌE�ꭔ��gF���Ȓ��@���}O���*;e�v�WV���YJ\�]X'5��ղ�k�F��b 6R�o՜m��i N�i����>J����?��lPm�U��}>_Z&�KK��q�r��I�D�Չ~�q�3fL�:S�e>���E���-G���{L�6p�e,8��������QI��h��a�Xa��U�A'���ʂ���s�+טIjP�-��y�8ۈZ?J$��W�P� ��R�s�]��|�l(�ԓ��sƊi��o(��S0��Y� 8�T97.�����WiL��c�~�dxc�E|�2!�X�K�Ƙਫ਼�$((�6�~|d9u+�qd�^3�89��Y�6L�.I�����?���iI�q���9�)O/뚅����O���X��X�V��ZF[�یgQ�L��K1���RҖr@v�#��X�l��F���Нy�S�8�7�kF!A��sM���^rkp�jP�DyS$N���q��nxҍ!U�f�!eh�i�2�m���`�Y�I�9r�6� �TF���C}/�y�^���Η���5d�'��9A-��J��>{�_l+�`��A���[�'��յ�ϛ#w:݅�%��X�}�&�PSt�Q�"�-��\縵�/����$Ɨh�Xb�*�y��BS����;W�ջ_mc�����vt?2}1�;qS�d�d~u:2k5�2�R�~�z+|HE!)�Ǟl��7`��0�<�,�2*���Hl-��x�^����'_TV�gZA�'j� ^�2Ϊ��N7t�����?w�� �x1��f��Iz�C-Ȗ��K�^q�;���-W�DvT�7��8�Z�������� hK�(P:��Q- �8�n�Z���܃e貾�<�1�YT<�,�����"�6{/ �?�͟��|1�:�#g��W�>$����d��J��d�B��=��jf[��%rE^��il:��B���x���Sּ�1հ��,�=��*�7 fcG��#q� �eh?��2�7�����,�!7x��6�n�LC�4x��},Geǝ�tC.��vS �F�43��zz\��;QYC,6����~;RYS/6���|2���5���v��T��i����������mlv��������&� �nRh^ejR�LG�f���? �ۉҬܦƩ��|��Ȱ����>3����!v��i�ʯ�>�v��オ�X3e���_1z�Kȗ\<������!�8���V��]��?b�k41�Re��T�q��mz��TiOʦ�Z��Xq���L������q"+���2ۨ��8}�&N7XU7Ap�d�X��~�׿��&4e�o�F��� �H����O���č�c�� 懴�6���͉��+)��v;j��ݷ�� �UV�� i��� j���Y9GdÒJ1��詞�����V?h��l����l�cGs�ځ�������y�Ac�����\V3�? �� ܙg�>qH�S,�E�W�[�㺨�uch�⍸�O�}���a��>�q�6�n6����N6�q������N ! 1AQaq�0@����"2BRb�#Pr���3C`��Scst���$4D���%Td�� ?���N����a��3��m���C���w��������xA�m�q�m���m������$����4n淿t'��C"w��zU=D�\R+w�p+Y�T�&�պ@��ƃ��3ޯ?�Aﶂ��aŘ���@-�����Q�=���9D��ռ�ѻ@��M�V��P��܅�G5�f�Y<�u=,EC)�<�Fy'�"�&�չ�X~f��l�KԆV��?�� �W�N����=(� �;���{�r����ٌ�Y���h{�١������jW����P���Tc�����X�K�r��}���w�R��%��?���E��m�� �Y�q|����\lEE4���r���}�lsI�Y������f�$�=�d�yO����p�����yBj8jU�o�/�S��?�U��*������ˍ�0������u�q�m [�?f����a�� )Q�>����6#������� ?����0UQ����,IX���(6ڵ[�DI�MNލ�c&���υ�j\��X�R|,4��� j������T�hA�e��^���d���b<����n�� �즇�=!���3�^�`j�h�ȓr��jẕ�c�,ٞX����-����a�ﶔ���#�$��]w�O��Ӫ�1y%��L�Y<�wg#�ǝ�̗`�x�xa�t�w��»1���o7o5��>�m뭛C���Uƃߜ}�C���y1Xνm�F8�jI���]����H���ۺиE@I�i;r�8ӭ����V�F�Շ| ��&?�3|x�B�MuS�Ge�=Ӕ�#BE5G�����Y!z��_e��q�р/W>|-�Ci߇�t�1ޯќd�R3�u��g�=0 5��[?�#͏��q�cf���H��{ ?u�=?�?ǯ���}Z��z���hmΔ�BFTW�����<�q�(v� ��!��z���iW]*�J�V�z��gX֧A�q�&��/w���u�gYӘa���; �i=����g:��?2�dž6�ى�k�4�>�Pxs����}������G�9��3 ���)gG�R<>r h�$��'nc�h�P��Bj��J�ҧH� -��N1���N��?��~��}-q!=��_2hc�M��l�vY%UE�@|�v����M2�.Y[|y�"Eï��K�ZF,�ɯ?,q�?v�M 80jx�"�;�9vk�����+ ֧�� �ȺU��?�%�vcV��mA�6��Qg^M����A}�3�nl� QRN�l8�kkn�'�����(��M�7m9و�q���%ޟ���*h$Zk"��$�9��: �?U8�Sl��,,|ɒ��xH(ѷ����Gn�/Q�4�P��G�%��Ա8�N��!� �&�7�;���eKM7�4��9R/%����l�c>�x;������>��C�:�����t��h?aKX�bhe�ᜋ^�$�Iհ �hr7%F$�E��Fd���t��5���+�(M6�t����Ü�UU|zW�=a�Ts�Tg������dqP�Q����b'�m���1{|Y����X�N��b �P~��F^F:����k6�"�j!�� �I�r�`��1&�-$�Bevk:y���#yw��I0��x��=D�4��tU���P�ZH��ڠ底taP��6����b>�xa����Q�#� WeF��ŮNj�p�J* mQ�N����*I�-*�ȩ�F�g�3 �5��V�ʊ�ɮ�a��5F���O@{���NX��?����H�]3��1�Ri_u��������ѕ�� ����0��� F��~��:60�p�͈�S��qX#a�5>���`�o&+�<2�D����: �������ڝ�$�nP���*)�N�|y�Ej�F�5ټ�e���ihy�Z �>���k�bH�a�v��h�-#���!�Po=@k̆IEN��@��}Ll?j�O������߭�ʞ���Q|A07x���wt!xf���I2?Z��<ץ�T���cU�j��]��陎Ltl �}5�ϓ��$�,��O�mˊ�;�@O��jE��j(�ا,��LX���LO���Ц�90�O �.����a��nA���7������j4 ��W��_ٓ���zW�jcB������y՗+EM�)d���N�g6�y1_x��p�$Lv:��9�"z��p���ʙ$��^��JԼ*�ϭ����o���=x�Lj�6�J��u82�A�H�3$�ٕ@�=Vv�]�'�qEz�;I˼��)��=��ɯ���x �/�W(V���p�����$ �m�������u�����񶤑Oqˎ�T����r��㠚x�sr�GC��byp�G��1ߠ�w e�8�$⿄����/�M{*}��W�]˷.�CK\�ުx���/$�WPw���r� |i���&�}�{�X� �>��$-��l���?-z���g����lΆ���(F���h�vS*���b���߲ڡn,|)mrH[���a�3�ר�[1��3o_�U�3�TC�$��(�=�)0�kgP���� ��u�^=��4 �WYCҸ:��vQ�ר�X�à��tk�m,�t*��^�,�}D*� �"(�I��9R����>`�`��[~Q]�#af��i6l��8���6�:,s�s�N6�j"�A4���IuQ��6E,�GnH��zS�HO�uk�5$�I�4��ؤ�Q9�@��C����wp�BGv[]�u�Ov���0I4���\��y�����Q�Ѹ��~>Z��8�T��a��q�ޣ;z��a���/��S��I:�ܫ_�|������>=Z����8:�S��U�I�J��"IY���8%b8���H��:�QO�6�;7�I�S��J��ҌAά3��>c���E+&jf$eC+�z�;��V����� �r���ʺ������my�e���aQ�f&��6�ND��.:��NT�vm�<- u���ǝ\MvZY�N�NT��-A�>jr!S��n�O 1�3�Ns�%�3D@���`������ܟ 1�^c<���� �a�ɽ�̲�Xë#�w�|y�cW�=�9I*H8�p�^(4���՗�k��arOcW�tO�\�ƍR��8����'�K���I�Q�����?5�>[�}��yU�ײ -h��=��% q�ThG�2�)���"ו3]�!kB��*p�FDl�A���,�eEi�H�f�Ps�����5�H:�Փ~�H�0Dت�D�I����h�F3�������c��2���E��9�H��5�zԑ�ʚ�i�X�=:m�xg�hd(�v����׊�9iS��O��d@0ڽ���:�p�5�h-��t�&���X�q�ӕ,��ie�|���7A�2���O%P��E��htj��Y1��w�Ѓ!����  ���� ࢽ��My�7�\�a�@�ţ�J �4�Ȼ�F�@o�̒?4�wx��)��]�P��~�����u�����5�����7X ��9��^ܩ�U;Iꭆ 5 �������eK2�7(�{|��Y׎ �V��\"���Z�1� Z�����}��(�Ǝ"�1S���_�vE30>���p;� ΝD��%x�W�?W?v����o�^V�i�d��r[��/&>�~`�9Wh��y�;���R��� ;;ɮT��?����r$�g1�K����A��C��c��K��l:�'��3 c�ﳯ*"t8�~l��)���m��+U,z��`(�>yJ�?����h>��]��v��ЍG*�{`��;y]��I�T� ;c��NU�fo¾h���/$���|NS���1�S�"�H��V���T���4��uhǜ�]�v;���5�͠x��'C\�SBpl���h}�N����� A�Bx���%��ޭ�l��/����T��w�ʽ]D�=����K���ž�r㻠l4�S�O?=�k �M:� ��c�C�a�#ha���)�ѐxc�s���gP�iG��{+���x���Q���I= �� z��ԫ+ �8"�k�ñ�j=|����c ��y��CF��/��*9ж�h{ �?4�o� ��k�m�Q�N�x��;�Y��4膚�a�w?�6�>e]�����Q�r�:����g�,i"�����ԩA�*M�<�G��b�if��l^M��5� �Ҩ�{����6J��ZJ�����P�*�����Y���ݛu�_4�9�I8�7���������,^ToR���m4�H��?�N�S�ѕw��/S��甍�@�9H�S�T��t�ƻ���ʒU��*{Xs�@����f�����֒Li�K{H�w^���������Ϥm�tq���s� ���ք��f:��o~s��g�r��ט� �S�ѱC�e]�x���a��) ���(b-$(�j>�7q�B?ӕ�F��hV25r[7 Y� }L�R��}����*sg+��x�r�2�U=�*'WS��ZDW]�WǞ�<��叓���{�$�9Ou4��y�90-�1�'*D`�c�^o?(�9��u���ݐ��'PI&� f�Jݮ�������:wS����jfP1F:X �H�9dԯ���˝[�_54 �}*;@�ܨ�� ð�yn�T���?�ןd�#���4rG�ͨ��H�1�|-#���Mr�S3��G�3�����)�.᧏3v�z֑��r����$G"�`j �1t��x0<Ɔ�Wh6�y�6��,œ�Ga��gA����y��b��)��h�D��ß�_�m��ü �gG;��e�v��ݝ�nQ� ��C����-�*��o���y�a��M��I�>�<���]obD��"�:���G�A��-\%LT�8���c�)��+y76���o�Q�#*{�(F�⽕�y����=���rW�\p���۩�c���A���^e6��K������ʐ�cVf5$�'->���ՉN"���F�"�UQ@�f��Gb~��#�&�M=��8�ט�JNu9��D��[̤�s�o�~������ G��9T�tW^g5y$b��Y'��س�Ǵ�=��U-2 #�MC�t(�i� �lj�@Q 5�̣i�*�O����s�x�K�f��}\��M{E�V�{�υ��Ƈ�����);�H����I��fe�Lȣr�2��>��W�I�Ȃ6������i��k�� �5�YOxȺ����>��Y�f5'��|��H+��98pj�n�.O�y�������jY��~��i�w'������l�;�s�2��Y��:'lg�ꥴ)o#'Sa�a�K��Z� �m��}�`169�n���"���x��I ��*+� }F<��cГ���F�P�������ֹ*�PqX�x۩��,� ��N�� �4<-����%����:��7����W���u�`����� $�?�I��&����o��o��`v�>��P��"��l���4��5'�Z�gE���8���?��[�X�7(��.Q�-��*���ތL@̲����v��.5���[��=�t\+�CNܛ��,g�SQnH����}*F�G16���&:�t��4ُ"A��̣��$�b �|����#rs��a�����T�� ]�<�j��BS�('$�ɻ� �wP;�/�n��?�ݜ��x�F��yUn�~mL*-�������Xf�wd^�a�}��f�,=t�׵i�.2/wpN�Ep8�OР���•��R�FJ� 55TZ��T �ɭ�<��]��/�0�r�@�f��V��V����Nz�G��^���7hZi����k��3�,kN�e|�vg�1{9]_i��X5y7� 8e]�U����'�-2,���e"����]ot�I��Y_��n�(JҼ��1�O ]bXc���Nu�No��pS���Q_���_�?i�~�x h5d'�(qw52] ��'ޤ�q��o1�R!���`ywy�A4u���h<קy���\[~�4�\ X�Wt/� 6�����n�F�a8��f���z �3$�t(���q��q�x��^�XWeN'p<-v�!�{�(>ӽDP7��ո0�y)�e$ٕv�Ih'Q�EA�m*�H��RI��=:��� ���4牢) �%_iN�ݧ�l]� �Nt���G��H�L��� ɱ�g<���1V�,�J~�ٹ�"K��Q�� 9�HS�9�?@��k����r�;we݁�]I�!{ �@�G�[�"��`���J:�n]�{�cA�E����V��ʆ���#��U9�6����j�#Y�m\��q�e4h�B�7��C�������d<�?J����1g:ٳ���=Y���D�p�ц� ׈ǔ��1�]26؜oS�'��9�V�FVu�P�h�9�xc�oq�X��p�o�5��Ա5$�9W�V(�[Ak�aY錎qf;�'�[�|���b�6�Ck��)��#a#a˙��8���=äh�4��2��C��4tm^ �n'c���]GQ$[Wҿ��i���vN�{Fu ��1�gx��1┷���N�m��{j-,��x�� Ūm�ЧS�[�s���Gna���䑴�� x�p 8<������97�Q���ϴ�v�aϚG��Rt�Һ׈�f^\r��WH�JU�7Z���y)�vg=����n��4�_)y��D'y�6�]�c�5̪�\� �PF�k����&�c;��cq�$~T�7j ���nç]�<�g ":�to�t}�159�<�/�8������m�b�K#g'I'.W�����6��I/��>v��\�MN��g���m�A�yQL�4u�Lj�j9��#44�t��l^�}L����n��R��!��t��±]��r��h6ٍ>�yҏ�N��fU�� ���� Fm@�8}�/u��jb9������he:A�y�ծw��GpΧh�5����l}�3p468��)U��d��c����;Us/�֔�YX�1�O2��uq�s��`hwg�r~�{ R��mhN��؎*q 42�*th��>�#���E����#��Hv�O����q�}�����6�e��\�,Wk�#���X��b>��p}�դ��3���T5��†��6��[��@�P�y*n��|'f�֧>�lư΂�̺����SU�'*�q�p�_S�����M�� '��c�6�����m�� ySʨ;M��r���Ƌ�m�Kxo,���Gm�P��A�G�:��i��w�9�}M(�^�V��$ǒ�ѽ�9���|���� �a����J�SQ�a���r�B;����}���ٻ֢�2�%U���c�#�g���N�a�ݕ�'�v�[�OY'��3L�3�;,p�]@�S��{ls��X�'���c�jw�k'a�.��}�}&�� �dP�*�bK=ɍ!����;3n�gΊU�ߴmt�'*{,=SzfD� A��ko~�G�aoq�_mi}#�m�������P�Xhύ����mxǍ�΂���巿zf��Q���c���|kc�����?���W��Y�$���_Lv����l߶��c���`?����l�j�ݲˏ!V��6����U�Ђ(A���4y)H���p�Z_�x��>���e��R��$�/�`^'3qˏ�-&Q�=?��CFVR �D�fV�9��{�8g�������n�h�(P"��6�[�D���< E�����~0<@�`�G�6����Hг�cc�� �c�K.5��D��d�B���`?�XQ��2��ٿyqo&+�1^� DW�0�ꊩ���G�#��Q�nL3��c���������/��x ��1�1[y�x�პCW��C�c�UĨ80�m�e�4.{�m��u���I=��f�����0QRls9���f���������9���~f�����Ǩ��a�"@�8���ȁ�Q����#c�ic������G��$���G���r/$W�(��W���V�"��m�7�[m�A�m����bo��D� j����۳� l���^�k�h׽����� ��#� iXn�v��eT�k�a�^Y�4�BN��ĕ��0 !01@Q"2AaPq3BR������?���@4�Q�����T3,���㺠�W�[=JK�Ϟ���2�r^7��vc�:�9 �E�ߴ�w�S#d���Ix��u��:��Hp��9E!�� V 2;73|F��9Y���*ʬ�F��D����u&���y؟��^EA��A��(ɩ���^��GV:ݜDy�`��Jr29ܾ�㝉��[���E;Fzx��YG��U�e�Y�C���� ����v-tx����I�sם�Ę�q��Eb�+P\ :>�i�C'�;�����k|z�رn�y]�#ǿb��Q��������w�����(�r|ӹs��[�D��2v-%��@;�8<a���[\o[ϧw��I!��*0�krs)�[�J9^��ʜ��p1)� "��/_>��o��<1����A�E�y^�C��`�x1'ܣn�p��s`l���fQ��):�l����b>�Me�jH^?�kl3(�z:���1ŠK&?Q�~�{�ٺ�h�y���/�[��V�|6��}�KbX����mn[-��7�5q�94�������dm���c^���h� X��5��<�eޘ>G���-�}�دB�ޟ� ��|�rt�M��V+�]�c?�-#ڛ��^ǂ}���Lkr���O��u�>�-D�ry� D?:ޞ�U��ǜ�7�V��?瓮�"�#���r��չģVR;�n���/_� ؉v�ݶe5d�b9��/O��009�G���5n�W����JpA�*�r9�>�1��.[t���s�F���nQ� V 77R�]�ɫ8����_0<՜�IF�u(v��4��F�k�3��E)��N:��yڮe��P�`�1}�$WS��J�SQ�N�j�ٺ��޵�#l���ј(�5=��5�lǏmoW�v-�1����v,W�mn��߀$x�<����v�j(����c]��@#��1������Ǔ���o'��u+����;G�#�޸��v-lη��/(`i⣍Pm^���ԯ̾9Z��F��������n��1��� ��]�[��)�'������:�֪�W��FC����� �B9،!?���]��V��A�Վ�M��b�w��G F>_DȬ0¤�#�QR�[V��kz���m�w�"��9ZG�7'[��=�Q����j8R?�zf�\a�=��O�U����*oB�A�|G���2�54 �p��.w7� �� ��&������ξxGHp� B%��$g�����t�Џ򤵍z���HN�u�Я�-�'4��0��;_��3 !01"@AQa2Pq#3BR������?��ʩca��en��^��8���<�u#��m*08r��y�N"�<�Ѳ0��@\�p��� �����Kv�D��J8�Fҽ� �f�Y��-m�ybX�NP����}�!*8t(�OqѢ��Q�wW�K��ZD��Δ^e��!� ��B�K��p~�����e*l}z#9ң�k���q#�Ft�o��S�R����-�w�!�S���Ӥß|M�l޶V��!eˈ�8Y���c�ЮM2��tk���� ������J�fS����Ö*i/2�����n]�k�\���|4yX�8��U�P.���Ы[���l��@"�t�<������5�lF���vU�����W��W��;�b�cД^6[#7@vU�xgZv��F�6��Q,K�v��� �+Ъ��n��Ǣ��Ft���8��0��c�@�!�Zq s�v�t�;#](B��-�nῃ~���3g������5�J�%���O������n�kB�ĺ�.r��+���#�N$?�q�/�s�6��p��a����a��J/��M�8��6�ܰ"�*������ɗud"\w���aT(����[��F��U՛����RT�b���n�*��6���O��SJ�.�ij<�v�MT��R\c��5l�sZB>F��<7�;EA��{��E���Ö��1U/�#��d1�a�n.1ě����0�ʾR�h��|�R��Ao�3�m3 ��%�� ���28Q� ��y��φ���H�To�7�lW>����#i`�q���c����a��� �m,B�-j����݋�'mR1Ήt�>��V��p���s�0IbI�C.���1R�ea�����]H�6����������4B>��o��](��$B���m�����a�!=��?�B� K�Ǿ+�Ծ"�n���K��*��+��[T#�{E�J�S����Q�����s�5�:�U�\wĐ�f�3����܆&�)����I���Ԇw��E T�lrTf6Q|R�h:��[K�� �z��c֧�G�C��%\��_�a�84��HcO�bi��ؖV��7H �)*ģK~Xhչ0��4?�0��� �E<���}3���#���u�?�� ��|g�S�6ꊤ�|�I#Hڛ� �ա��w�X��9��7���Ŀ%�SL��y6č��|�F�a 8���b��$�sק�h���b9RAu7�˨p�Č�_\*w��묦��F ����4D~�f����|(�"m���NK��i�S�>�$d7SlA��/�²����SL��|6N�}���S�˯���g��]6��; �#�.��<���q'Q�1|KQ$�����񛩶"�$r�b:���N8�w@��8$�� �AjfG|~�9F ���Y��ʺ��Bwؒ������M:I岎�G��`s�YV5����6��A �b:�W���G�q%l�����F��H���7�������Fsv7��k�� 403WebShell
403Webshell
Server IP : 82.112.239.65  /  Your IP : 216.73.217.4
Web Server : LiteSpeed
System : Linux in-mum-web1675.main-hosting.eu 5.14.0-503.38.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Fri Apr 18 08:52:10 EDT 2025 x86_64
User : u700808869 ( 700808869)
PHP Version : 8.0.30
Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : OFF  |  Python : OFF  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/cloudlinux/alt-php80/root/usr/lib64/build/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :


[ Back ]     

Current File : /opt/cloudlinux/alt-php80/root/usr/lib64/build/gen_stub.php
#!/usr/bin/env php
<?php declare(strict_types=1);

use PhpParser\Comment\Doc as DocComment;
use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt;
use PhpParser\Node\Stmt\Class_;
use PhpParser\PrettyPrinter\Standard;
use PhpParser\PrettyPrinterAbstract;

error_reporting(E_ALL);

/**
 * @return FileInfo[]
 */
function processDirectory(string $dir, Context $context): array {
    $fileInfos = [];

    $it = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($dir),
        RecursiveIteratorIterator::LEAVES_ONLY
    );
    foreach ($it as $file) {
        $pathName = $file->getPathName();
        if (preg_match('/\.stub\.php$/', $pathName)) {
            $fileInfo = processStubFile($pathName, $context);
            if ($fileInfo) {
                $fileInfos[] = $fileInfo;
            }
        }
    }

    return $fileInfos;
}

function processStubFile(string $stubFile, Context $context): ?FileInfo {
    try {
        if (!file_exists($stubFile)) {
            throw new Exception("File $stubFile does not exist");
        }

        $arginfoFile = str_replace('.stub.php', '_arginfo.h', $stubFile);
        $legacyFile = str_replace('.stub.php', '_legacy_arginfo.h', $stubFile);

        $stubCode = file_get_contents($stubFile);
        $stubHash = computeStubHash($stubCode);
        $oldStubHash = extractStubHash($arginfoFile);
        if ($stubHash === $oldStubHash && !$context->forceParse) {
            /* Stub file did not change, do not regenerate. */
            return null;
        }

        initPhpParser();
        $fileInfo = parseStubFile($stubCode);
        $arginfoCode = generateArgInfoCode($fileInfo, $stubHash);
        if (($context->forceRegeneration || $stubHash !== $oldStubHash) && file_put_contents($arginfoFile, $arginfoCode)) {
            echo "Saved $arginfoFile\n";
        }

        if ($fileInfo->generateLegacyArginfo) {
            foreach ($fileInfo->getAllFuncInfos() as $funcInfo) {
                $funcInfo->discardInfoForOldPhpVersions();
            }
            $arginfoCode = generateArgInfoCode($fileInfo, $stubHash);
            if (($context->forceRegeneration || $stubHash !== $oldStubHash) && file_put_contents($legacyFile, $arginfoCode)) {
                echo "Saved $legacyFile\n";
            }
		}

        return $fileInfo;
    } catch (Exception $e) {
        echo "In $stubFile:\n{$e->getMessage()}\n";
        exit(1);
    }
}

function computeStubHash(string $stubCode): string {
    return sha1(str_replace("\r\n", "\n", $stubCode));
}

function extractStubHash(string $arginfoFile): ?string {
    if (!file_exists($arginfoFile)) {
        return null;
    }

    $arginfoCode = file_get_contents($arginfoFile);
    if (!preg_match('/\* Stub hash: ([0-9a-f]+) \*/', $arginfoCode, $matches)) {
        return null;
    }

    return $matches[1];
}

class Context {
    /** @var bool */
    public $forceParse = false;
    /** @var bool */
    public $forceRegeneration = false;
}

class SimpleType {
    /** @var string */
    public $name;
    /** @var bool */
    public $isBuiltin;

    public function __construct(string $name, bool $isBuiltin) {
        $this->name = $name;
        $this->isBuiltin = $isBuiltin;
    }

    public static function fromNode(Node $node): SimpleType {
        if ($node instanceof Node\Name) {
            if ($node->toLowerString() === 'static') {
                // PHP internally considers "static" a builtin type.
                return new SimpleType($node->toString(), true);
            }

            if ($node->toLowerString() === 'self') {
                throw new Exception('The exact class name must be used instead of "self"');
            }

            assert($node->isFullyQualified());
            return new SimpleType($node->toString(), false);
        }
        if ($node instanceof Node\Identifier) {
            return new SimpleType($node->toString(), true);
        }
        throw new Exception("Unexpected node type");
    }

    public static function fromPhpDoc(string $type): SimpleType
    {
        switch (strtolower($type)) {
            case "void":
            case "null":
            case "false":
            case "bool":
            case "int":
            case "float":
            case "string":
            case "array":
            case "iterable":
            case "object":
            case "resource":
            case "mixed":
            case "static":
                return new SimpleType(strtolower($type), true);
            case "self":
                throw new Exception('The exact class name must be used instead of "self"');
        }

        if (strpos($type, "[]") !== false) {
            return new SimpleType("array", true);
        }

        return new SimpleType($type, false);
    }

    public static function null(): SimpleType
    {
        return new SimpleType("null", true);
    }

    public static function void(): SimpleType
    {
        return new SimpleType("void", true);
    }

    public function isNull(): bool {
        return $this->isBuiltin && $this->name === 'null';
    }

    public function toTypeCode(): string {
        assert($this->isBuiltin);
        switch (strtolower($this->name)) {
        case "bool":
            return "_IS_BOOL";
        case "int":
            return "IS_LONG";
        case "float":
            return "IS_DOUBLE";
        case "string":
            return "IS_STRING";
        case "array":
            return "IS_ARRAY";
        case "object":
            return "IS_OBJECT";
        case "void":
            return "IS_VOID";
        case "callable":
            return "IS_CALLABLE";
        case "iterable":
            return "IS_ITERABLE";
        case "mixed":
            return "IS_MIXED";
        case "static":
            return "IS_STATIC";
        default:
            throw new Exception("Not implemented: $this->name");
        }
    }

    public function toTypeMask() {
        assert($this->isBuiltin);
        switch (strtolower($this->name)) {
        case "null":
            return "MAY_BE_NULL";
        case "false":
            return "MAY_BE_FALSE";
        case "bool":
            return "MAY_BE_BOOL";
        case "int":
            return "MAY_BE_LONG";
        case "float":
            return "MAY_BE_DOUBLE";
        case "string":
            return "MAY_BE_STRING";
        case "array":
            return "MAY_BE_ARRAY";
        case "object":
            return "MAY_BE_OBJECT";
        case "callable":
            return "MAY_BE_CALLABLE";
        case "mixed":
            return "MAY_BE_ANY";
        case "static":
            return "MAY_BE_STATIC";
        default:
            throw new Exception("Not implemented: $this->name");
        }
    }

    public function toEscapedName(): string {
        return str_replace('\\', '\\\\', $this->name);
    }

    public function equals(SimpleType $other) {
        return $this->name === $other->name
            && $this->isBuiltin === $other->isBuiltin;
    }
}

class Type {
    /** @var SimpleType[] $types */
    public $types;

    public function __construct(array $types) {
        $this->types = $types;
    }

    public static function fromNode(Node $node): Type {
        if ($node instanceof Node\UnionType) {
            return new Type(array_map(['SimpleType', 'fromNode'], $node->types));
        }
        if ($node instanceof Node\NullableType) {
            return new Type([
                SimpleType::fromNode($node->type),
                SimpleType::null(),
            ]);
        }
        return new Type([SimpleType::fromNode($node)]);
    }

    public static function fromPhpDoc(string $phpDocType) {
        $types = explode("|", $phpDocType);

        $simpleTypes = [];
        foreach ($types as $type) {
            $simpleTypes[] = SimpleType::fromPhpDoc($type);
        }

        return new Type($simpleTypes);
    }

    public function isNullable(): bool {
        foreach ($this->types as $type) {
            if ($type->isNull()) {
                return true;
            }
        }
        return false;
    }

    public function getWithoutNull(): Type {
        return new Type(array_filter($this->types, function(SimpleType $type) {
            return !$type->isNull();
        }));
    }

    public function tryToSimpleType(): ?SimpleType {
        $withoutNull = $this->getWithoutNull();
        if (count($withoutNull->types) === 1) {
            return $withoutNull->types[0];
        }
        return null;
    }

    public function toArginfoType(): ?ArginfoType {
        $classTypes = [];
        $builtinTypes = [];
        foreach ($this->types as $type) {
            if ($type->isBuiltin) {
                $builtinTypes[] = $type;
            } else {
                $classTypes[] = $type;
            }
        }
        return new ArginfoType($classTypes, $builtinTypes);
    }

    public static function equals(?Type $a, ?Type $b): bool {
        if ($a === null || $b === null) {
            return $a === $b;
        }

        if (count($a->types) !== count($b->types)) {
            return false;
        }

        for ($i = 0; $i < count($a->types); $i++) {
            if (!$a->types[$i]->equals($b->types[$i])) {
                return false;
            }
        }

        return true;
    }

    public function __toString() {
        if ($this->types === null) {
            return 'mixed';
        }

        return implode('|', array_map(
            function ($type) { return $type->name; },
            $this->types)
        );
    }
}

class ArginfoType {
    /** @var ClassType[] $classTypes */
    public $classTypes;

    /** @var SimpleType[] $builtinTypes */
    private $builtinTypes;

    public function __construct(array $classTypes, array $builtinTypes) {
        $this->classTypes = $classTypes;
        $this->builtinTypes = $builtinTypes;
    }

    public function hasClassType(): bool {
        return !empty($this->classTypes);
    }

    public function toClassTypeString(): string {
        return implode('|', array_map(function(SimpleType $type) {
            return $type->toEscapedName();
        }, $this->classTypes));
    }

    public function toTypeMask(): string {
        if (empty($this->builtinTypes)) {
            return '0';
        }
        return implode('|', array_map(function(SimpleType $type) {
            return $type->toTypeMask();
        }, $this->builtinTypes));
    }
}

class ArgInfo {
    const SEND_BY_VAL = 0;
    const SEND_BY_REF = 1;
    const SEND_PREFER_REF = 2;

    /** @var string */
    public $name;
    /** @var int */
    public $sendBy;
    /** @var bool */
    public $isVariadic;
    /** @var Type|null */
    public $type;
    /** @var Type|null */
    public $phpDocType;
    /** @var string|null */
    public $defaultValue;

    public function __construct(string $name, int $sendBy, bool $isVariadic, ?Type $type, ?Type $phpDocType, ?string $defaultValue) {
        $this->name = $name;
        $this->sendBy = $sendBy;
        $this->isVariadic = $isVariadic;
        $this->type = $type;
        $this->phpDocType = $phpDocType;
        $this->defaultValue = $defaultValue;
    }

    public function equals(ArgInfo $other): bool {
        return $this->name === $other->name
            && $this->sendBy === $other->sendBy
            && $this->isVariadic === $other->isVariadic
            && Type::equals($this->type, $other->type)
            && $this->defaultValue === $other->defaultValue;
    }

    public function getSendByString(): string {
        switch ($this->sendBy) {
        case self::SEND_BY_VAL:
            return "0";
        case self::SEND_BY_REF:
            return "1";
        case self::SEND_PREFER_REF:
            return "ZEND_SEND_PREFER_REF";
        }
        throw new Exception("Invalid sendBy value");
    }

    public function getMethodSynopsisType(): Type {
        if ($this->type) {
            return $this->type;
        }

        if ($this->phpDocType) {
            return $this->phpDocType;
        }

        throw new Exception("A parameter must have a type");
    }

    public function hasProperDefaultValue(): bool {
        return $this->defaultValue !== null && $this->defaultValue !== "UNKNOWN";
    }

    public function getDefaultValueAsArginfoString(): string {
        if ($this->hasProperDefaultValue()) {
            return '"' . addslashes($this->defaultValue) . '"';
        }

        return "NULL";
    }

    public function getDefaultValueAsMethodSynopsisString(): ?string {
        if ($this->defaultValue === null) {
            return null;
        }

        switch ($this->defaultValue) {
            case 'UNKNOWN':
                return null;
            case 'false':
            case 'true':
            case 'null':
                return "&{$this->defaultValue};";
        }

        return $this->defaultValue;
    }
}

interface FunctionOrMethodName {
    public function getDeclaration(): string;
    public function getArgInfoName(): string;
    public function getMethodSynopsisFilename(): string;
    public function __toString(): string;
    public function isMethod(): bool;
    public function isConstructor(): bool;
    public function isDestructor(): bool;
}

class FunctionName implements FunctionOrMethodName {
    /** @var Name */
    private $name;

    public function __construct(Name $name) {
        $this->name = $name;
    }

    public function getNamespace(): ?string {
        if ($this->name->isQualified()) {
            return $this->name->slice(0, -1)->toString();
        }
        return null;
    }

    public function getNonNamespacedName(): string {
        if ($this->name->isQualified()) {
            throw new Exception("Namespaced name not supported here");
        }
        return $this->name->toString();
    }

    public function getDeclarationName(): string {
        return $this->name->getLast();
    }

    public function getDeclaration(): string {
        return "ZEND_FUNCTION({$this->getDeclarationName()});\n";
    }

    public function getArgInfoName(): string {
        $underscoreName = implode('_', $this->name->parts);
        return "arginfo_$underscoreName";
    }

    public function getMethodSynopsisFilename(): string {
        return implode('_', $this->name->parts);
    }

    public function __toString(): string {
        return $this->name->toString();
    }

    public function isMethod(): bool {
        return false;
    }

    public function isConstructor(): bool {
        return false;
    }

    public function isDestructor(): bool {
        return false;
    }
}

class MethodName implements FunctionOrMethodName {
    /** @var Name */
    private $className;
    /** @var string */
    public $methodName;

    public function __construct(Name $className, string $methodName) {
        $this->className = $className;
        $this->methodName = $methodName;
    }

    public function getDeclarationClassName(): string {
        return implode('_', $this->className->parts);
    }

    public function getDeclaration(): string {
        return "ZEND_METHOD({$this->getDeclarationClassName()}, $this->methodName);\n";
    }

    public function getArgInfoName(): string {
        return "arginfo_class_{$this->getDeclarationClassName()}_{$this->methodName}";
    }

    public function getMethodSynopsisFilename(): string {
        return $this->getDeclarationClassName() . "_{$this->methodName}";
    }

    public function __toString(): string {
        return "$this->className::$this->methodName";
    }

    public function isMethod(): bool {
        return true;
    }

    public function isConstructor(): bool {
        return $this->methodName === "__construct";
    }

    public function isDestructor(): bool {
        return $this->methodName === "__destruct";
    }
}

class ReturnInfo {
    /** @var bool */
    public $byRef;
    /** @var Type|null */
    public $type;
    /** @var Type|null */
    public $phpDocType;

    public function __construct(bool $byRef, ?Type $type, ?Type $phpDocType) {
        $this->byRef = $byRef;
        $this->type = $type;
        $this->phpDocType = $phpDocType;
    }

    public function equals(ReturnInfo $other): bool {
        return $this->byRef === $other->byRef
            && Type::equals($this->type, $other->type);
    }

    public function getMethodSynopsisType(): ?Type {
        return $this->type ?? $this->phpDocType;
    }
}

class FuncInfo {
    /** @var FunctionOrMethodName */
    public $name;
    /** @var int */
    public $classFlags;
    /** @var int */
    public $flags;
    /** @var string|null */
    public $aliasType;
    /** @var FunctionName|null */
    public $alias;
    /** @var bool */
    public $isDeprecated;
    /** @var bool */
    public $verify;
    /** @var ArgInfo[] */
    public $args;
    /** @var ReturnInfo */
    public $return;
    /** @var int */
    public $numRequiredArgs;
    /** @var string|null */
    public $cond;

    public function __construct(
        FunctionOrMethodName $name,
        int $classFlags,
        int $flags,
        ?string $aliasType,
        ?FunctionOrMethodName $alias,
        bool $isDeprecated,
        bool $verify,
        array $args,
        ReturnInfo $return,
        int $numRequiredArgs,
        ?string $cond
    ) {
        $this->name = $name;
        $this->classFlags = $classFlags;
        $this->flags = $flags;
        $this->aliasType = $aliasType;
        $this->alias = $alias;
        $this->isDeprecated = $isDeprecated;
        $this->verify = $verify;
        $this->args = $args;
        $this->return = $return;
        $this->numRequiredArgs = $numRequiredArgs;
        $this->cond = $cond;
    }

    public function isMethod(): bool
    {
        return $this->name->isMethod();
    }

    public function isFinalMethod(): bool
    {
        return ($this->flags & Class_::MODIFIER_FINAL) || ($this->classFlags & Class_::MODIFIER_FINAL);
    }

    public function isInstanceMethod(): bool
    {
        return !($this->flags & Class_::MODIFIER_STATIC) && $this->isMethod() && !$this->name->isConstructor();
    }

    /** @return string[] */
    public function getModifierNames(): array
    {
        if (!$this->isMethod()) {
            return [];
        }

        $result = [];

        if ($this->flags & Class_::MODIFIER_FINAL) {
            $result[] = "final";
        } elseif ($this->flags & Class_::MODIFIER_ABSTRACT && $this->classFlags & ~Class_::MODIFIER_ABSTRACT) {
            $result[] = "abstract";
        }

        if ($this->flags & Class_::MODIFIER_PROTECTED) {
            $result[] = "protected";
        } elseif ($this->flags & Class_::MODIFIER_PRIVATE) {
            $result[] = "private";
        } else {
            $result[] = "public";
        }

        if ($this->flags & Class_::MODIFIER_STATIC) {
            $result[] = "static";
        }

        return $result;
    }

    public function hasParamWithUnknownDefaultValue(): bool
    {
        foreach ($this->args as $arg) {
            if ($arg->defaultValue && !$arg->hasProperDefaultValue()) {
                return true;
            }
        }

        return false;
    }

    public function equalsApartFromName(FuncInfo $other): bool {
        if (count($this->args) !== count($other->args)) {
            return false;
        }

        for ($i = 0; $i < count($this->args); $i++) {
            if (!$this->args[$i]->equals($other->args[$i])) {
                return false;
            }
        }

        return $this->return->equals($other->return)
            && $this->numRequiredArgs === $other->numRequiredArgs
            && $this->cond === $other->cond;
    }

    public function getArgInfoName(): string {
        return $this->name->getArgInfoName();
    }

    public function getDeclarationKey(): string
    {
        $name = $this->alias ?? $this->name;

        return "$name|$this->cond";
    }

    public function getDeclaration(): ?string
    {
        if ($this->flags & Class_::MODIFIER_ABSTRACT) {
            return null;
        }

        $name = $this->alias ?? $this->name;

        return $name->getDeclaration();
    }

    public function getFunctionEntry(): string {
        if ($this->name instanceof MethodName) {
            if ($this->alias) {
                if ($this->alias instanceof MethodName) {
                    return sprintf(
                        "\tZEND_MALIAS(%s, %s, %s, %s, %s)\n",
                        $this->alias->getDeclarationClassName(), $this->name->methodName,
                        $this->alias->methodName, $this->getArgInfoName(), $this->getFlagsAsArginfoString()
                    );
                } else if ($this->alias instanceof FunctionName) {
                    return sprintf(
                        "\tZEND_ME_MAPPING(%s, %s, %s, %s)\n",
                        $this->name->methodName, $this->alias->getNonNamespacedName(),
                        $this->getArgInfoName(), $this->getFlagsAsArginfoString()
                    );
                } else {
                    throw new Error("Cannot happen");
                }
            } else {
                $declarationClassName = $this->name->getDeclarationClassName();
                if ($this->flags & Class_::MODIFIER_ABSTRACT) {
                    return sprintf(
                        "\tZEND_ABSTRACT_ME_WITH_FLAGS(%s, %s, %s, %s)\n",
                        $declarationClassName, $this->name->methodName, $this->getArgInfoName(),
                        $this->getFlagsAsArginfoString()
                    );
                }

                return sprintf(
                    "\tZEND_ME(%s, %s, %s, %s)\n",
                    $declarationClassName, $this->name->methodName, $this->getArgInfoName(),
                    $this->getFlagsAsArginfoString()
                );
            }
        } else if ($this->name instanceof FunctionName) {
            $namespace = $this->name->getNamespace();
            $declarationName = $this->name->getDeclarationName();

            if ($this->alias && $this->isDeprecated) {
                return sprintf(
                    "\tZEND_DEP_FALIAS(%s, %s, %s)\n",
                    $declarationName, $this->alias->getNonNamespacedName(), $this->getArgInfoName()
                );
            }

            if ($this->alias) {
                return sprintf(
                    "\tZEND_FALIAS(%s, %s, %s)\n",
                    $declarationName, $this->alias->getNonNamespacedName(), $this->getArgInfoName()
                );
            }

            if ($this->isDeprecated) {
                return sprintf(
                    "\tZEND_DEP_FE(%s, %s)\n", $declarationName, $this->getArgInfoName());
            }

            if ($namespace) {
                // Render A\B as "A\\B" in C strings for namespaces
                return sprintf(
                    "\tZEND_NS_FE(\"%s\", %s, %s)\n",
                    addslashes($namespace), $declarationName, $this->getArgInfoName());
            } else {
                return sprintf("\tZEND_FE(%s, %s)\n", $declarationName, $this->getArgInfoName());
            }
        } else {
            throw new Error("Cannot happen");
        }
    }

    private function getFlagsAsArginfoString(): string
    {
        $flags = "ZEND_ACC_PUBLIC";
        if ($this->flags & Class_::MODIFIER_PROTECTED) {
            $flags = "ZEND_ACC_PROTECTED";
        } elseif ($this->flags & Class_::MODIFIER_PRIVATE) {
            $flags = "ZEND_ACC_PRIVATE";
        }

        if ($this->flags & Class_::MODIFIER_STATIC) {
            $flags .= "|ZEND_ACC_STATIC";
        }

        if ($this->flags & Class_::MODIFIER_FINAL) {
            $flags .= "|ZEND_ACC_FINAL";
        }

        if ($this->flags & Class_::MODIFIER_ABSTRACT) {
            $flags .= "|ZEND_ACC_ABSTRACT";
        }

        if ($this->isDeprecated) {
            $flags .= "|ZEND_ACC_DEPRECATED";
        }

        return $flags;
    }

    /**
     * @param FuncInfo[] $funcMap
     * @param FuncInfo[] $aliasMap
     * @throws Exception
     */
    public function getMethodSynopsisDocument(array $funcMap, array $aliasMap): ?string {

        $doc = new DOMDocument();
        $doc->formatOutput = true;
        $methodSynopsis = $this->getMethodSynopsisElement($funcMap, $aliasMap, $doc);
        if (!$methodSynopsis) {
            return null;
        }

        $doc->appendChild($methodSynopsis);

        return $doc->saveXML();
    }

    /**
     * @param FuncInfo[] $funcMap
     * @param FuncInfo[] $aliasMap
     * @throws Exception
     */
    public function getMethodSynopsisElement(array $funcMap, array $aliasMap, DOMDocument $doc): ?DOMElement {
        if ($this->hasParamWithUnknownDefaultValue()) {
            return null;
        }

        if ($this->name->isConstructor()) {
            $synopsisType = "constructorsynopsis";
        } elseif ($this->name->isDestructor()) {
            $synopsisType = "destructorsynopsis";
        } else {
            $synopsisType = "methodsynopsis";
        }

        $methodSynopsis = $doc->createElement($synopsisType);

        $aliasedFunc = $this->aliasType === "alias" && isset($funcMap[$this->alias->__toString()]) ? $funcMap[$this->alias->__toString()] : null;
        $aliasFunc = $aliasMap[$this->name->__toString()] ?? null;

        if (($this->aliasType === "alias" && $aliasedFunc !== null && $aliasedFunc->isMethod() !== $this->isMethod()) ||
            ($aliasFunc !== null && $aliasFunc->isMethod() !== $this->isMethod())
        ) {
            $role = $doc->createAttribute("role");
            $role->value = $this->isMethod() ? "oop" : "procedural";
            $methodSynopsis->appendChild($role);
        }

        $methodSynopsis->appendChild(new DOMText("\n   "));

        foreach ($this->getModifierNames() as $modifierString) {
            $modifierElement = $doc->createElement('modifier', $modifierString);
            $methodSynopsis->appendChild($modifierElement);
            $methodSynopsis->appendChild(new DOMText(" "));
        }

        $returnType = $this->return->getMethodSynopsisType();
        if ($returnType) {
            $this->appendMethodSynopsisTypeToElement($doc, $methodSynopsis, $returnType);
        }

        $methodname = $doc->createElement('methodname', $this->name->__toString());
        $methodSynopsis->appendChild($methodname);

        if (empty($this->args)) {
            $methodSynopsis->appendChild(new DOMText("\n   "));
            $void = $doc->createElement('void');
            $methodSynopsis->appendChild($void);
        } else {
            foreach ($this->args as $arg) {
                $methodSynopsis->appendChild(new DOMText("\n   "));
                $methodparam = $doc->createElement('methodparam');
                if ($arg->defaultValue !== null) {
                    $methodparam->setAttribute("choice", "opt");
                }
                if ($arg->isVariadic) {
                    $methodparam->setAttribute("rep", "repeat");
                }

                $methodSynopsis->appendChild($methodparam);
                $this->appendMethodSynopsisTypeToElement($doc, $methodparam, $arg->getMethodSynopsisType());

                $parameter = $doc->createElement('parameter', $arg->name);
                if ($arg->sendBy !== ArgInfo::SEND_BY_VAL) {
                    $parameter->setAttribute("role", "reference");
                }

                $methodparam->appendChild($parameter);
                $defaultValue = $arg->getDefaultValueAsMethodSynopsisString();
                if ($defaultValue !== null) {
                    $initializer = $doc->createElement('initializer');
                    if (preg_match('/^[a-zA-Z_][a-zA-Z_0-9]*$/', $defaultValue)) {
                        $constant = $doc->createElement('constant', $defaultValue);
                        $initializer->appendChild($constant);
                    } else {
                        $initializer->nodeValue = $defaultValue;
                    }
                    $methodparam->appendChild($initializer);
                }
            }
        }
        $methodSynopsis->appendChild(new DOMText("\n  "));

        return $methodSynopsis;
    }

    public function discardInfoForOldPhpVersions(): void {
        $this->return->type = null;
        foreach ($this->args as $arg) {
            $arg->type = null;
            $arg->defaultValue = null;
        }
    }

    private function appendMethodSynopsisTypeToElement(DOMDocument $doc, DOMElement $elementToAppend, Type $type) {
        if (count($type->types) > 1) {
            $typeElement = $doc->createElement('type');
            $typeElement->setAttribute("class", "union");

            foreach ($type->types as $type) {
                $unionTypeElement = $doc->createElement('type', $type->name);
                $typeElement->appendChild($unionTypeElement);
            }
        } else {
            $typeElement = $doc->createElement('type', $type->types[0]->name);
        }

        $elementToAppend->appendChild($typeElement);
    }
}

class ClassInfo {
    /** @var Name */
    public $name;
    /** @var FuncInfo[] */
    public $funcInfos;

    public function __construct(Name $name, array $funcInfos) {
        $this->name = $name;
        $this->funcInfos = $funcInfos;
    }
}

class FileInfo {
    /** @var FuncInfo[] */
    public $funcInfos = [];
    /** @var ClassInfo[] */
    public $classInfos = [];
    /** @var bool */
    public $generateFunctionEntries = false;
    /** @var string */
    public $declarationPrefix = "";
    /** @var bool */
    public $generateLegacyArginfo = false;

    /**
     * @return iterable<FuncInfo>
     */
    public function getAllFuncInfos(): iterable {
        yield from $this->funcInfos;
        foreach ($this->classInfos as $classInfo) {
            yield from $classInfo->funcInfos;
        }
    }
}

class DocCommentTag {
    /** @var string */
    public $name;
    /** @var string|null */
    public $value;

    public function __construct(string $name, ?string $value) {
        $this->name = $name;
        $this->value = $value;
    }

    public function getValue(): string {
        if ($this->value === null) {
            throw new Exception("@$this->name does not have a value");
        }

        return $this->value;
    }

    public function getType(): string {
        $value = $this->getValue();

        $matches = [];

        if ($this->name === "param") {
            preg_match('/^\s*([\w\|\\\\\[\]]+)\s*\$\w+.*$/', $value, $matches);
        } elseif ($this->name === "return") {
            preg_match('/^\s*([\w\|\\\\\[\]]+)\s*$/', $value, $matches);
        }

        if (isset($matches[1]) === false) {
            throw new Exception("@$this->name doesn't contain a type or has an invalid format \"$value\"");
        }

        return $matches[1];
    }

    public function getVariableName(): string {
        $value = $this->value;
        if ($value === null || strlen($value) === 0) {
            throw new Exception("@$this->name doesn't have any value");
        }

        $matches = [];

        if ($this->name === "param") {
            preg_match('/^\s*[\w\|\\\\\[\]]+\s*\$(\w+).*$/', $value, $matches);
        } elseif ($this->name === "prefer-ref") {
            preg_match('/^\s*\$(\w+).*$/', $value, $matches);
        }

        if (isset($matches[1]) === false) {
            throw new Exception("@$this->name doesn't contain a variable name or has an invalid format \"$value\"");
        }

        return $matches[1];
    }
}

/** @return DocCommentTag[] */
function parseDocComment(DocComment $comment): array {
    $commentText = substr($comment->getText(), 2, -2);
    $tags = [];
    foreach (explode("\n", $commentText) as $commentLine) {
        $regex = '/^\*\s*@([a-z-]+)(?:\s+(.+))?$/';
        if (preg_match($regex, trim($commentLine), $matches)) {
            $tags[] = new DocCommentTag($matches[1], $matches[2] ?? null);
        }
    }

    return $tags;
}

function parseFunctionLike(
    PrettyPrinterAbstract $prettyPrinter,
    FunctionOrMethodName $name,
    int $classFlags,
    int $flags,
    Node\FunctionLike $func,
    ?string $cond
): FuncInfo {
    $comment = $func->getDocComment();
    $paramMeta = [];
    $aliasType = null;
    $alias = null;
    $isDeprecated = false;
    $verify = true;
    $docReturnType = null;
    $docParamTypes = [];

    if ($comment) {
        $tags = parseDocComment($comment);
        foreach ($tags as $tag) {
            if ($tag->name === 'prefer-ref') {
                $varName = $tag->getVariableName();
                if (!isset($paramMeta[$varName])) {
                    $paramMeta[$varName] = [];
                }
                $paramMeta[$varName]['preferRef'] = true;
            } else if ($tag->name === 'alias' || $tag->name === 'implementation-alias') {
                $aliasType = $tag->name;
                $aliasParts = explode("::", $tag->getValue());
                if (count($aliasParts) === 1) {
                    $alias = new FunctionName(new Name($aliasParts[0]));
                } else {
                    $alias = new MethodName(new Name($aliasParts[0]), $aliasParts[1]);
                }
            } else if ($tag->name === 'deprecated') {
                $isDeprecated = true;
            }  else if ($tag->name === 'no-verify') {
                $verify = false;
            } else if ($tag->name === 'return') {
                $docReturnType = $tag->getType();
            } else if ($tag->name === 'param') {
                $docParamTypes[$tag->getVariableName()] = $tag->getType();
            }
        }
    }

    $varNameSet = [];
    $args = [];
    $numRequiredArgs = 0;
    $foundVariadic = false;
    foreach ($func->getParams() as $i => $param) {
        $varName = $param->var->name;
        $preferRef = !empty($paramMeta[$varName]['preferRef']);
        unset($paramMeta[$varName]);

        if (isset($varNameSet[$varName])) {
            throw new Exception("Duplicate parameter name $varName for function $name");
        }
        $varNameSet[$varName] = true;

        if ($preferRef) {
            $sendBy = ArgInfo::SEND_PREFER_REF;
        } else if ($param->byRef) {
            $sendBy = ArgInfo::SEND_BY_REF;
        } else {
            $sendBy = ArgInfo::SEND_BY_VAL;
        }

        if ($foundVariadic) {
            throw new Exception("Error in function $name: only the last parameter can be variadic");
        }

        $type = $param->type ? Type::fromNode($param->type) : null;
        if ($type === null && !isset($docParamTypes[$varName])) {
            throw new Exception("Missing parameter type for function $name()");
        }

        if ($param->default instanceof Expr\ConstFetch &&
            $param->default->name->toLowerString() === "null" &&
            $type && !$type->isNullable()
        ) {
            $simpleType = $type->tryToSimpleType();
            if ($simpleType === null) {
                throw new Exception(
                    "Parameter $varName of function $name has null default, but is not nullable");
            }
        }

        if ($param->default instanceof Expr\ClassConstFetch && $param->default->class->toLowerString() === "self") {
            throw new Exception('The exact class name must be used instead of "self"');
        }

        $foundVariadic = $param->variadic;

        $args[] = new ArgInfo(
            $varName,
            $sendBy,
            $param->variadic,
            $type,
            isset($docParamTypes[$varName]) ? Type::fromPhpDoc($docParamTypes[$varName]) : null,
            $param->default ? $prettyPrinter->prettyPrintExpr($param->default) : null
        );
        if (!$param->default && !$param->variadic) {
            $numRequiredArgs = $i + 1;
        }
    }

    foreach (array_keys($paramMeta) as $var) {
        throw new Exception("Found metadata for invalid param $var of function $name");
    }

    $returnType = $func->getReturnType();
    if ($returnType === null && $docReturnType === null && !$name->isConstructor() && !$name->isDestructor()) {
        throw new Exception("Missing return type for function $name()");
    }

    $return = new ReturnInfo(
        $func->returnsByRef(),
        $returnType ? Type::fromNode($returnType) : null,
        $docReturnType ? Type::fromPhpDoc($docReturnType) : null
    );

    return new FuncInfo(
        $name,
        $classFlags,
        $flags,
        $aliasType,
        $alias,
        $isDeprecated,
        $verify,
        $args,
        $return,
        $numRequiredArgs,
        $cond
    );
}

function handlePreprocessorConditions(array &$conds, Stmt $stmt): ?string {
    foreach ($stmt->getComments() as $comment) {
        $text = trim($comment->getText());
        if (preg_match('/^#\s*if\s+(.+)$/', $text, $matches)) {
            $conds[] = $matches[1];
        } else if (preg_match('/^#\s*ifdef\s+(.+)$/', $text, $matches)) {
            $conds[] = "defined($matches[1])";
        } else if (preg_match('/^#\s*ifndef\s+(.+)$/', $text, $matches)) {
            $conds[] = "!defined($matches[1])";
        } else if (preg_match('/^#\s*else$/', $text)) {
            if (empty($conds)) {
                throw new Exception("Encountered else without corresponding #if");
            }
            $cond = array_pop($conds);
            $conds[] = "!($cond)";
        } else if (preg_match('/^#\s*endif$/', $text)) {
            if (empty($conds)) {
                throw new Exception("Encountered #endif without corresponding #if");
            }
            array_pop($conds);
        } else if ($text[0] === '#') {
            throw new Exception("Unrecognized preprocessor directive \"$text\"");
        }
    }

    return empty($conds) ? null : implode(' && ', $conds);
}

function getFileDocComment(array $stmts): ?DocComment {
    if (empty($stmts)) {
        return null;
    }

    $comments = $stmts[0]->getComments();
    if (empty($comments)) {
        return null;
    }

    if ($comments[0] instanceof DocComment) {
        return $comments[0];
    }

    return null;
}

function handleStatements(FileInfo $fileInfo, array $stmts, PrettyPrinterAbstract $prettyPrinter) {
    $conds = [];
    foreach ($stmts as $stmt) {
        if ($stmt instanceof Stmt\Nop) {
            continue;
        }

        if ($stmt instanceof Stmt\Namespace_) {
            handleStatements($fileInfo, $stmt->stmts, $prettyPrinter);
            continue;
        }

        $cond = handlePreprocessorConditions($conds, $stmt);
        if ($stmt instanceof Stmt\Function_) {
            $fileInfo->funcInfos[] = parseFunctionLike(
                $prettyPrinter,
                new FunctionName($stmt->namespacedName),
                0,
                0,
                $stmt,
                $cond
            );
            continue;
        }

        if ($stmt instanceof Stmt\ClassLike) {
            $className = $stmt->namespacedName;
            $methodInfos = [];
            foreach ($stmt->stmts as $classStmt) {
                $cond = handlePreprocessorConditions($conds, $classStmt);
                if ($classStmt instanceof Stmt\Nop) {
                    continue;
                }

                if (!$classStmt instanceof Stmt\ClassMethod) {
                    throw new Exception("Not implemented {$classStmt->getType()}");
                }

                $classFlags = 0;
                if ($stmt instanceof Class_) {
                    $classFlags = $stmt->flags;
                }

                $flags = $classStmt->flags;
                if ($stmt instanceof Stmt\Interface_) {
                    $flags |= Class_::MODIFIER_ABSTRACT;
                }

                if (!($flags & Class_::VISIBILITY_MODIFIER_MASK)) {
                    throw new Exception("Method visibility modifier is required");
                }

                $methodInfos[] = parseFunctionLike(
                    $prettyPrinter,
                    new MethodName($className, $classStmt->name->toString()),
                    $classFlags,
                    $flags,
                    $classStmt,
                    $cond
                );
            }

            $fileInfo->classInfos[] = new ClassInfo($className, $methodInfos);
            continue;
        }

        throw new Exception("Unexpected node {$stmt->getType()}");
    }
}

function parseStubFile(string $code): FileInfo {
    $lexer = new PhpParser\Lexer();
    $parser = new PhpParser\Parser\Php7($lexer);
    $nodeTraverser = new PhpParser\NodeTraverser;
    $nodeTraverser->addVisitor(new PhpParser\NodeVisitor\NameResolver);
    $prettyPrinter = new class extends Standard {
        protected function pName_FullyQualified(Name\FullyQualified $node) {
            return implode('\\', $node->parts);
        }
    };

    $stmts = $parser->parse($code);
    $nodeTraverser->traverse($stmts);

    $fileInfo = new FileInfo;
    $fileDocComment = getFileDocComment($stmts);
    if ($fileDocComment) {
        $fileTags = parseDocComment($fileDocComment);
        foreach ($fileTags as $tag) {
            if ($tag->name === 'generate-function-entries') {
                $fileInfo->generateFunctionEntries = true;
                $fileInfo->declarationPrefix = $tag->value ? $tag->value . " " : "";
            } else if ($tag->name === 'generate-legacy-arginfo') {
                $fileInfo->generateLegacyArginfo = true;
            }
        }
    }

    handleStatements($fileInfo, $stmts, $prettyPrinter);
    return $fileInfo;
}

function funcInfoToCode(FuncInfo $funcInfo): string {
    $code = '';
    $returnType = $funcInfo->return->type;
    if ($returnType !== null) {
        if (null !== $simpleReturnType = $returnType->tryToSimpleType()) {
            if ($simpleReturnType->isBuiltin) {
                $code .= sprintf(
                    "ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(%s, %d, %d, %s, %d)\n",
                    $funcInfo->getArgInfoName(), $funcInfo->return->byRef,
                    $funcInfo->numRequiredArgs,
                    $simpleReturnType->toTypeCode(), $returnType->isNullable()
                );
            } else {
                $code .= sprintf(
                    "ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(%s, %d, %d, %s, %d)\n",
                    $funcInfo->getArgInfoName(), $funcInfo->return->byRef,
                    $funcInfo->numRequiredArgs,
                    $simpleReturnType->toEscapedName(), $returnType->isNullable()
                );
            }
        } else {
            $arginfoType = $returnType->toArginfoType();
            if ($arginfoType->hasClassType()) {
                $code .= sprintf(
                    "ZEND_BEGIN_ARG_WITH_RETURN_OBJ_TYPE_MASK_EX(%s, %d, %d, %s, %s)\n",
                    $funcInfo->getArgInfoName(), $funcInfo->return->byRef,
                    $funcInfo->numRequiredArgs,
                    $arginfoType->toClassTypeString(), $arginfoType->toTypeMask()
                );
            } else {
                $code .= sprintf(
                    "ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(%s, %d, %d, %s)\n",
                    $funcInfo->getArgInfoName(), $funcInfo->return->byRef,
                    $funcInfo->numRequiredArgs,
                    $arginfoType->toTypeMask()
                );
            }
        }
    } else {
        $code .= sprintf(
            "ZEND_BEGIN_ARG_INFO_EX(%s, 0, %d, %d)\n",
            $funcInfo->getArgInfoName(), $funcInfo->return->byRef, $funcInfo->numRequiredArgs
        );
    }

    foreach ($funcInfo->args as $argInfo) {
        $argKind = $argInfo->isVariadic ? "ARG_VARIADIC" : "ARG";
        $argDefaultKind = $argInfo->hasProperDefaultValue() ? "_WITH_DEFAULT_VALUE" : "";
        $argType = $argInfo->type;
        if ($argType !== null) {
            if (null !== $simpleArgType = $argType->tryToSimpleType()) {
                if ($simpleArgType->isBuiltin) {
                    $code .= sprintf(
                        "\tZEND_%s_TYPE_INFO%s(%s, %s, %s, %d%s)\n",
                        $argKind, $argDefaultKind, $argInfo->getSendByString(), $argInfo->name,
                        $simpleArgType->toTypeCode(), $argType->isNullable(),
                        $argInfo->hasProperDefaultValue() ? ", " . $argInfo->getDefaultValueAsArginfoString() : ""
                    );
                } else {
                    $code .= sprintf(
                        "\tZEND_%s_OBJ_INFO%s(%s, %s, %s, %d%s)\n",
                        $argKind,$argDefaultKind, $argInfo->getSendByString(), $argInfo->name,
                        $simpleArgType->toEscapedName(), $argType->isNullable(),
                        $argInfo->hasProperDefaultValue() ? ", " . $argInfo->getDefaultValueAsArginfoString() : ""
                    );
                }
            } else {
                $arginfoType = $argType->toArginfoType();
                if ($arginfoType->hasClassType()) {
                    $code .= sprintf(
                        "\tZEND_%s_OBJ_TYPE_MASK(%s, %s, %s, %s, %s)\n",
                        $argKind, $argInfo->getSendByString(), $argInfo->name,
                        $arginfoType->toClassTypeString(), $arginfoType->toTypeMask(),
                        $argInfo->getDefaultValueAsArginfoString()
                    );
                } else {
                    $code .= sprintf(
                        "\tZEND_%s_TYPE_MASK(%s, %s, %s, %s)\n",
                        $argKind, $argInfo->getSendByString(), $argInfo->name,
                        $arginfoType->toTypeMask(),
                        $argInfo->getDefaultValueAsArginfoString()
                    );
                }
            }
        } else {
            $code .= sprintf(
                "\tZEND_%s_INFO%s(%s, %s%s)\n",
                $argKind, $argDefaultKind, $argInfo->getSendByString(), $argInfo->name,
                $argInfo->hasProperDefaultValue() ? ", " . $argInfo->getDefaultValueAsArginfoString() : ""
            );
        }
    }

    $code .= "ZEND_END_ARG_INFO()";
    return $code . "\n";
}

/** @param FuncInfo[] $generatedFuncInfos */
function findEquivalentFuncInfo(array $generatedFuncInfos, FuncInfo $funcInfo): ?FuncInfo {
    foreach ($generatedFuncInfos as $generatedFuncInfo) {
        if ($generatedFuncInfo->equalsApartFromName($funcInfo)) {
            return $generatedFuncInfo;
        }
    }
    return null;
}

/** @param iterable<FuncInfo> $funcInfos */
function generateCodeWithConditions(
        iterable $funcInfos, string $separator, Closure $codeGenerator): string {
    $code = "";
    foreach ($funcInfos as $funcInfo) {
        $funcCode = $codeGenerator($funcInfo);
        if ($funcCode === null) {
            continue;
        }

        $code .= $separator;
        if ($funcInfo->cond) {
            $code .= "#if {$funcInfo->cond}\n";
            $code .= $funcCode;
            $code .= "#endif\n";
        } else {
            $code .= $funcCode;
        }
    }
    return $code;
}

function generateArgInfoCode(FileInfo $fileInfo, string $stubHash): string {
    $code = "/* This is a generated file, edit the .stub.php file instead.\n"
          . " * Stub hash: $stubHash */\n";
    $generatedFuncInfos = [];
    $code .= generateCodeWithConditions(
        $fileInfo->getAllFuncInfos(), "\n",
        function (FuncInfo $funcInfo) use(&$generatedFuncInfos) {
            /* If there already is an equivalent arginfo structure, only emit a #define */
            if ($generatedFuncInfo = findEquivalentFuncInfo($generatedFuncInfos, $funcInfo)) {
                $code = sprintf(
                    "#define %s %s\n",
                    $funcInfo->getArgInfoName(), $generatedFuncInfo->getArgInfoName()
                );
            } else {
                $code = funcInfoToCode($funcInfo);
            }

            $generatedFuncInfos[] = $funcInfo;
            return $code;
        }
    );

    if ($fileInfo->generateFunctionEntries) {
        $code .= "\n\n";

        $generatedFunctionDeclarations = [];
        $code .= generateCodeWithConditions(
            $fileInfo->getAllFuncInfos(), "",
            function (FuncInfo $funcInfo) use($fileInfo, &$generatedFunctionDeclarations) {
                $key = $funcInfo->getDeclarationKey();
                if (isset($generatedFunctionDeclarations[$key])) {
                    return null;
                }

                $generatedFunctionDeclarations[$key] = true;
                return $fileInfo->declarationPrefix . $funcInfo->getDeclaration();
            }
        );

        if (!empty($fileInfo->funcInfos)) {
            $code .= generateFunctionEntries(null, $fileInfo->funcInfos);
        }

        foreach ($fileInfo->classInfos as $classInfo) {
            $code .= generateFunctionEntries($classInfo->name, $classInfo->funcInfos);
        }
    }

    return $code;
}

/** @param FuncInfo[] $funcInfos */
function generateFunctionEntries(?Name $className, array $funcInfos): string {
    $code = "";

    $functionEntryName = "ext_functions";
    if ($className) {
        $underscoreName = implode("_", $className->parts);
        $functionEntryName = "class_{$underscoreName}_methods";
    }

    $code .= "\n\nstatic const zend_function_entry {$functionEntryName}[] = {\n";
    $code .= generateCodeWithConditions($funcInfos, "", function (FuncInfo $funcInfo) {
        return $funcInfo->getFunctionEntry();
    });
    $code .= "\tZEND_FE_END\n";
    $code .= "};\n";

    return $code;
}

/**
 * @param FuncInfo[] $funcMap
 * @param FuncInfo[] $aliasMap
 * @return array<string, string>
 */
function generateMethodSynopses(array $funcMap, array $aliasMap): array {
    $result = [];

    foreach ($funcMap as $funcInfo) {
        $methodSynopsis = $funcInfo->getMethodSynopsisDocument($funcMap, $aliasMap);
        if ($methodSynopsis !== null) {
            $result[$funcInfo->name->getMethodSynopsisFilename() . ".xml"] = $methodSynopsis;
        }
    }

    return $result;
}

/**
 * @param FuncInfo[] $funcMap
 * @param FuncInfo[] $aliasMap
 * @return array<string, string>
 */
function replaceMethodSynopses(string $targetDirectory, array $funcMap, array $aliasMap): array {
    $methodSynopses = [];

    $it = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($targetDirectory),
        RecursiveIteratorIterator::LEAVES_ONLY
    );

    foreach ($it as $file) {
        $pathName = $file->getPathName();
        if (!preg_match('/\.xml$/i', $pathName)) {
            continue;
        }

        $xml = file_get_contents($pathName);
        if ($xml === false) {
            continue;
        }

        if (stripos($xml, "<methodsynopsis") === false && stripos($xml, "<constructorsynopsis") === false && stripos($xml, "<destructorsynopsis") === false) {
            continue;
        }

        $replacedXml = preg_replace("/&([A-Za-z0-9._{}%-]+?;)/", "REPLACED-ENTITY-$1", $xml);

        $doc = new DOMDocument();
        $doc->formatOutput = false;
        $doc->preserveWhiteSpace = true;
        $doc->validateOnParse = true;
        $success = $doc->loadXML($replacedXml);
        if (!$success) {
            echo "Failed opening $pathName\n";
            continue;
        }

        $docComparator = new DOMDocument();
        $docComparator->preserveWhiteSpace = false;
        $docComparator->formatOutput = true;

        $methodSynopsisElements = [];
        foreach ($doc->getElementsByTagName("constructorsynopsis") as $element) {
            $methodSynopsisElements[] = $element;
        }
        foreach ($doc->getElementsByTagName("destructorsynopsis") as $element) {
            $methodSynopsisElements[] = $element;
        }
        foreach ($doc->getElementsByTagName("methodsynopsis") as $element) {
            $methodSynopsisElements[] = $element;
        }

        foreach ($methodSynopsisElements as $methodSynopsis) {
            if (!$methodSynopsis instanceof DOMElement) {
                continue;
            }

            $list = $methodSynopsis->getElementsByTagName("methodname");
            $item = $list->item(0);
            if (!$item instanceof DOMElement) {
                continue;
            }
            $funcName = $item->textContent;
            if (!isset($funcMap[$funcName])) {
                continue;
            }
            $funcInfo = $funcMap[$funcName];

            $newMethodSynopsis = $funcInfo->getMethodSynopsisElement($funcMap, $aliasMap, $doc);
            if ($newMethodSynopsis === null) {
                continue;
            }

            // Retrieve current signature

            $params = [];
            $list = $methodSynopsis->getElementsByTagName("methodparam");
            foreach ($list as $i => $item) {
                if (!$item instanceof DOMElement) {
                    continue;
                }

                $paramList = $item->getElementsByTagName("parameter");
                if ($paramList->count() !== 1) {
                    continue;
                }

                $paramName = $paramList->item(0)->textContent;
                $paramTypes = [];

                $paramList = $item->getElementsByTagName("type");
                foreach ($paramList as $type) {
                    if (!$type instanceof DOMElement) {
                        continue;
                    }

                    $paramTypes[] = $type->textContent;
                }

                $params[$paramName] = ["index" => $i, "type" => $paramTypes];
            }

            // Check if there is any change - short circuit if there is not any.

            $xml1 = $doc->saveXML($methodSynopsis);
            $xml1 = preg_replace("/&([A-Za-z0-9._{}%-]+?;)/", "REPLACED-ENTITY-$1", $xml1);
            $docComparator->loadXML($xml1);
            $xml1 = $docComparator->saveXML();

            $methodSynopsis->parentNode->replaceChild($newMethodSynopsis, $methodSynopsis);

            $xml2 = $doc->saveXML($newMethodSynopsis);
            $xml2 = preg_replace("/&([A-Za-z0-9._{}%-]+?;)/", "REPLACED-ENTITY-$1", $xml2);
            $docComparator->loadXML($xml2);
            $xml2 = $docComparator->saveXML();

            if ($xml1 === $xml2) {
                continue;
            }

            // Update parameter references

            $paramList = $doc->getElementsByTagName("parameter");
            /** @var DOMElement $paramElement */
            foreach ($paramList as $paramElement) {
                if ($paramElement->parentNode && $paramElement->parentNode->nodeName === "methodparam") {
                    continue;
                }

                $name = $paramElement->textContent;
                if (!isset($params[$name])) {
                    continue;
                }

                $index = $params[$name]["index"];
                if (!isset($funcInfo->args[$index])) {
                    continue;
                }

                $paramElement->textContent = $funcInfo->args[$index]->name;
            }

            // Return the updated XML

            $replacedXml = $doc->saveXML();

            $replacedXml = preg_replace(
                [
                    "/REPLACED-ENTITY-([A-Za-z0-9._{}%-]+?;)/",
                    "/<refentry\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i",
                    "/<refentry\s+xmlns=\"([a-z0-9.:\/]+)\"\s+xmlns:xlink=\"([a-z0-9.:\/]+)\"\s+xml:id=\"([a-z0-9._-]+)\"\s*>/i",
                ],
                [
                    "&$1",
                    "<refentry xml:id=\"$2\" xmlns=\"$1\">",
                    "<refentry xml:id=\"$3\" xmlns=\"$1\" xmlns:xlink=\"$2\">",
                ],
                $replacedXml
            );

            $methodSynopses[$pathName] = $replacedXml;
        }
    }

    return $methodSynopses;
}

function installPhpParser(string $version, string $phpParserDir) {
    $lockFile = __DIR__ . "/PHP-Parser-install-lock";
    $lockFd = fopen($lockFile, 'w+');
    if (!flock($lockFd, LOCK_EX)) {
        throw new Exception("Failed to acquire installation lock");
    }

    try {
        // Check whether a parallel process has already installed PHP-Parser.
        if (is_dir($phpParserDir)) {
            return;
        }

        $cwd = getcwd();
        chdir(__DIR__);

        $tarName = "v$version.tar.gz";
        passthru("wget https://github.com/nikic/PHP-Parser/archive/$tarName", $exit);
        if ($exit !== 0) {
            passthru("curl -LO https://github.com/nikic/PHP-Parser/archive/$tarName", $exit);
        }
        if ($exit !== 0) {
            throw new Exception("Failed to download PHP-Parser tarball");
        }
        if (!mkdir($phpParserDir)) {
            throw new Exception("Failed to create directory $phpParserDir");
        }
        passthru("tar xvzf $tarName -C PHP-Parser-$version --strip-components 1", $exit);
        if ($exit !== 0) {
            throw new Exception("Failed to extract PHP-Parser tarball");
        }
        unlink(__DIR__ . "/$tarName");
        chdir($cwd);
    } finally {
        flock($lockFd, LOCK_UN);
        @unlink($lockFile);
    }
}

function initPhpParser() {
    static $isInitialized = false;
    if ($isInitialized) {
        return;
    }

    if (!extension_loaded("tokenizer")) {
        throw new Exception("The \"tokenizer\" extension is not available");
    }

    $isInitialized = true;
    $version = "4.13.0";
    $phpParserDir = __DIR__ . "/PHP-Parser-$version";
    if (!is_dir($phpParserDir)) {
        installPhpParser($version, $phpParserDir);
    }

    spl_autoload_register(function(string $class) use($phpParserDir) {
        if (strpos($class, "PhpParser\\") === 0) {
            $fileName = $phpParserDir . "/lib/" . str_replace("\\", "/", $class) . ".php";
            require $fileName;
        }
    });
}

$optind = null;
$options = getopt("fh", ["force-regeneration", "parameter-stats", "help", "verify", "generate-methodsynopses", "replace-methodsynopses"], $optind);

$context = new Context;
$printParameterStats = isset($options["parameter-stats"]);
$verify = isset($options["verify"]);
$generateMethodSynopses = isset($options["generate-methodsynopses"]);
$replaceMethodSynopses = isset($options["replace-methodsynopses"]);
$context->forceRegeneration = isset($options["f"]) || isset($options["force-regeneration"]);
$context->forceParse = $context->forceRegeneration || $printParameterStats || $verify || $generateMethodSynopses || $replaceMethodSynopses;
$targetMethodSynopses = $argv[$optind + 1] ?? null;
if ($replaceMethodSynopses && $targetMethodSynopses === null) {
    die("A target directory must be provided.\n");
}

if (isset($options["h"]) || isset($options["help"])) {
    die("\nusage: gen-stub.php [ -f | --force-regeneration ] [ --generate-methodsynopses ] [ --replace-methodsynopses ] [ --parameter-stats ] [ --verify ] [ -h | --help ] [ name.stub.php | directory ] [ directory ]\n\n");
}

$fileInfos = [];
$location = $argv[$optind] ?? ".";
if (is_file($location)) {
    // Generate single file.
    $fileInfo = processStubFile($location, $context);
    if ($fileInfo) {
        $fileInfos[] = $fileInfo;
    }
} else if (is_dir($location)) {
    $fileInfos = processDirectory($location, $context);
} else {
    echo "$location is neither a file nor a directory.\n";
    exit(1);
}

if ($printParameterStats) {
    $parameterStats = [];

    foreach ($fileInfos as $fileInfo) {
        foreach ($fileInfo->getAllFuncInfos() as $funcInfo) {
            foreach ($funcInfo->args as $argInfo) {
                if (!isset($parameterStats[$argInfo->name])) {
                    $parameterStats[$argInfo->name] = 0;
                }
                $parameterStats[$argInfo->name]++;
            }
        }
    }

    arsort($parameterStats);
    echo json_encode($parameterStats, JSON_PRETTY_PRINT), "\n";
}

/** @var FuncInfo[] $funcMap */
$funcMap = [];
/** @var FuncInfo[] $aliasMap */
$aliasMap = [];

foreach ($fileInfos as $fileInfo) {
    foreach ($fileInfo->getAllFuncInfos() as $funcInfo) {
        /** @var FuncInfo $funcInfo */
        $funcMap[$funcInfo->name->__toString()] = $funcInfo;

        if ($funcInfo->aliasType === "alias") {
            $aliasMap[$funcInfo->alias->__toString()] = $funcInfo;
        }
    }
}

if ($verify) {
    $errors = [];

    foreach ($aliasMap as $aliasFunc) {
        if (!isset($funcMap[$aliasFunc->alias->__toString()])) {
            $errors[] = "Aliased function {$aliasFunc->alias}() cannot be found";
            continue;
        }

        if (!$aliasFunc->verify) {
            continue;
        }

        $aliasedFunc = $funcMap[$aliasFunc->alias->__toString()];
        $aliasedArgs = $aliasedFunc->args;
        $aliasArgs = $aliasFunc->args;

        if ($aliasFunc->isInstanceMethod() !== $aliasedFunc->isInstanceMethod()) {
            if ($aliasFunc->isInstanceMethod()) {
                $aliasedArgs = array_slice($aliasedArgs, 1);
            }

            if ($aliasedFunc->isInstanceMethod()) {
                $aliasArgs = array_slice($aliasArgs, 1);
            }
        }

        array_map(
            function(?ArgInfo $aliasArg, ?ArgInfo $aliasedArg) use ($aliasFunc, $aliasedFunc, &$errors) {
                if ($aliasArg === null) {
                    assert($aliasedArg !== null);
                    $errors[] = "{$aliasFunc->name}(): Argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() is missing";
                    return null;
                }

                if ($aliasedArg === null) {
                    $errors[] = "{$aliasedFunc->name}(): Argument \$$aliasArg->name of alias function {$aliasFunc->name}() is missing";
                    return null;
                }

                if ($aliasArg->name !== $aliasedArg->name) {
                    $errors[] = "{$aliasFunc->name}(): Argument \$$aliasArg->name and argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() must have the same name";
                    return null;
                }

                if ($aliasArg->type != $aliasedArg->type) {
                    $errors[] = "{$aliasFunc->name}(): Argument \$$aliasArg->name and argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() must have the same type";
                }

                if ($aliasArg->defaultValue !== $aliasedArg->defaultValue) {
                    $errors[] = "{$aliasFunc->name}(): Argument \$$aliasArg->name and argument \$$aliasedArg->name of aliased function {$aliasedFunc->name}() must have the same default value";
                }
            },
            $aliasArgs, $aliasedArgs
        );

        if ((!$aliasedFunc->isMethod() || $aliasedFunc->isFinalMethod()) &&
            (!$aliasFunc->isMethod() || $aliasFunc->isFinalMethod()) &&
            $aliasFunc->return != $aliasedFunc->return
        ) {
            $errors[] = "{$aliasFunc->name}() and {$aliasedFunc->name}() must have the same return type";
        }
    }

    echo implode("\n", $errors);
    if (!empty($errors)) {
        echo "\n";
        exit(1);
    }
}

if ($generateMethodSynopses) {
    $methodSynopsesDirectory = getcwd() . "/methodsynopses";

    $methodSynopses = generateMethodSynopses($funcMap, $aliasMap);
    if (!empty($methodSynopses)) {
        if (!file_exists($methodSynopsesDirectory)) {
            mkdir($methodSynopsesDirectory);
        }

        foreach ($methodSynopses as $filename => $content) {
            if (file_put_contents("$methodSynopsesDirectory/$filename", $content)) {
                echo "Saved $filename\n";
            }
        }
    }
}

if ($replaceMethodSynopses) {
    $methodSynopses = replaceMethodSynopses($targetMethodSynopses, $funcMap, $aliasMap);

    foreach ($methodSynopses as $filename => $content) {
        if (file_put_contents($filename, $content)) {
            echo "Saved $filename\n";
        }
    }
}

Youez - 2016 - github.com/yon3zu
LinuXploit