| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "mod_perl.h" |
| |
| static enum opcode MP_pp_map[] = { |
| #ifdef MP_REFGEN_FIXUP |
| OP_SREFGEN, |
| #endif |
| OP_REQUIRE |
| }; |
| |
| typedef OP * (*modperl_pp_t)(pTHX); |
| |
| static modperl_pp_t MP_PERL_ppaddr[MP_OP_max]; |
| |
| #ifdef MP_REFGEN_FIXUP |
| |
| /* |
| * nasty workaround for bug fixed in bleedperl (11536 + 11553) |
| * XXX: when 5.8.0 is released + stable, we will require 5.8.0 |
| * if ithreads are enabled. |
| */ |
| |
| static OP *modperl_pp_srefgen(pTHX) |
| { |
| dSP; |
| OP *o; |
| SV *sv = *SP; |
| |
| if (SvPADTMP(sv) && IS_PADGV(sv)) { |
| /* prevent S_refto from making a copy of the GV, |
| * tricking it to SvREFCNT_inc and point to this one instead. |
| */ |
| SvPADTMP_off(sv); |
| } |
| else { |
| sv = (SV *)NULL; |
| } |
| |
| /* o = Perl_pp_srefgen(aTHX) */ |
| o = MP_PERL_ppaddr[MP_OP_SREFGEN](aTHX); |
| |
| if (sv) { |
| /* restore original flags */ |
| SvPADTMP_on(sv); |
| } |
| |
| return o; |
| } |
| |
| #endif /* MP_REFGEN_FIXUP */ |
| |
| static OP *modperl_pp_require(pTHX) |
| { |
| /* nothing yet */ |
| return MP_PERL_ppaddr[MP_OP_REQUIRE](aTHX); |
| } |
| |
| static modperl_pp_t MP_ppaddr[] = { |
| #ifdef MP_REFGEN_FIXUP |
| modperl_pp_srefgen, |
| #endif |
| modperl_pp_require |
| }; |
| |
| void modperl_perl_pp_set(modperl_perl_opcode_e idx) |
| { |
| int pl_idx = MP_pp_map[idx]; |
| |
| /* save original */ |
| MP_PERL_ppaddr[idx] = PL_ppaddr[pl_idx]; |
| |
| /* replace with our own */ |
| PL_ppaddr[pl_idx] = MP_ppaddr[idx]; |
| } |
| |
| void modperl_perl_pp_set_all(void) |
| { |
| int i; |
| |
| for (i=0; i<MP_OP_max; i++) { |
| modperl_perl_pp_set(i); |
| } |
| } |
| |
| void modperl_perl_pp_unset(modperl_perl_opcode_e idx) |
| { |
| int pl_idx = MP_pp_map[idx]; |
| |
| /* restore original */ |
| PL_ppaddr[pl_idx] = MP_PERL_ppaddr[idx]; |
| } |
| |
| void modperl_perl_pp_unset_all(void) |
| { |
| int i; |
| |
| for (i=0; i<MP_OP_max; i++) { |
| modperl_perl_pp_unset(i); |
| } |
| } |
| |
| /* |
| * Local Variables: |
| * c-basic-offset: 4 |
| * indent-tabs-mode: nil |
| * End: |
| */ |