X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2Findirect.git;a=blobdiff_plain;f=indirect.xs;h=04bc7604b2345db88d3697e62ac331909c1aab10;hp=0a6d9205846153b4a29129a68bab06830d02e2ac;hb=833e3f5682e5dfe0f90b390dd14065b850d5fc5d;hpb=79fe38872567977419089da38eac9406bf2d4afa diff --git a/indirect.xs b/indirect.xs index 0a6d920..04bc760 100644 --- a/indirect.xs +++ b/indirect.xs @@ -1,3 +1,6 @@ +/* This file is part of the indirect Perl module. + * See http://search.cpan.org/dist/indirect/ */ + #define PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" @@ -7,13 +10,9 @@ # define SvPVX_const SvPVX #endif -STATIC U32 indirect_initialized = 0; -STATIC U32 indirect_hash = 0; +/* ... Hints ............................................................... */ -STATIC const char indirect_msg[] = "Indirect call of method \"%s\" on object \"%s\""; - -STATIC HV *indirect_map = NULL; -STATIC const char *indirect_linestr = NULL; +STATIC U32 indirect_hash = 0; STATIC UV indirect_hint(pTHX) { #define indirect_hint() indirect_hint(aTHX) @@ -25,6 +24,11 @@ STATIC UV indirect_hint(pTHX) { return SvOK(id) ? SvUV(id) : 0; } +/* ... op -> source position ............................................... */ + +STATIC HV *indirect_map = NULL; +STATIC const char *indirect_linestr = NULL; + STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) { #define indirect_map_store(O, S, N) indirect_map_store(aTHX_ (O), (S), (N)) char buf[32]; @@ -50,7 +54,7 @@ STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) { SvREFCNT_dec(val); } -STATIC const char *indirect_map_fetch(pTHX_ const OP *o, SV **name) { +STATIC const char *indirect_map_fetch(pTHX_ const OP *o, SV ** const name) { #define indirect_map_fetch(O, S) indirect_map_fetch(aTHX_ (O), (S)) char buf[32]; SV **val; @@ -68,52 +72,6 @@ STATIC const char *indirect_map_fetch(pTHX_ const OP *o, SV **name) { return INT2PTR(const char *, SvUVX(*val)); } -STATIC UV indirect_intuit(const char *meth, const char *obj) { - const char *s; - int indirect = 0, quotelike = 0; - - for (s = meth; s < obj; ++s) { - switch (*s) { - case ',': - case '(': - case '=': - case '\'': - case '"': - case '`': - return 0; - case '-': - indirect = 1; - break; - case '>': - if (indirect) - return 0; - break; - case 'q': - indirect = 0; - if (quotelike == 1) - quotelike = 2; - break; - case 'w': - case 'r': - case 'x': - indirect = 0; - if (quotelike != 2) - quotelike = 0; - break; - default: - indirect = 0; - if (isSPACE(*s)) - quotelike = 1; - else if (quotelike == 2 && !isALNUM(*s)) - return 0; - else - quotelike = 0; - } - } - - return 1; -} - STATIC const char *indirect_find(pTHX_ SV *sv, const char *s) { #define indirect_find(N, S) indirect_find(aTHX_ (N), (S)) STRLEN len; @@ -133,6 +91,8 @@ STATIC const char *indirect_find(pTHX_ SV *sv, const char *s) { return p; } +/* ... ck_const ............................................................ */ + STATIC OP *(*indirect_old_ck_const)(pTHX_ OP *) = 0; STATIC OP *indirect_ck_const(pTHX_ OP *o) { @@ -145,6 +105,8 @@ STATIC OP *indirect_ck_const(pTHX_ OP *o) { return CALL_FPTR(indirect_old_ck_const)(aTHX_ o); } +/* ... ck_rv2sv ............................................................ */ + STATIC OP *(*indirect_old_ck_rv2sv)(pTHX_ OP *) = 0; STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) { @@ -161,6 +123,8 @@ STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) { return CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o); } +/* ... ck_padany ........................................................... */ + STATIC OP *(*indirect_old_ck_padany)(pTHX_ OP *) = 0; STATIC OP *indirect_ck_padany(pTHX_ OP *o) { @@ -178,6 +142,8 @@ STATIC OP *indirect_ck_padany(pTHX_ OP *o) { return CALL_FPTR(indirect_old_ck_padany)(aTHX_ o); } +/* ... ck_method ........................................................... */ + STATIC OP *(*indirect_old_ck_method)(pTHX_ OP *) = 0; STATIC OP *indirect_ck_method(pTHX_ OP *o) { @@ -202,6 +168,10 @@ done: return CALL_FPTR(indirect_old_ck_method)(aTHX_ o); } +/* ... ck_entersub ......................................................... */ + +STATIC const char indirect_msg[] = "Indirect call of method \"%s\" on object \"%s\""; + STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0; STATIC OP *indirect_ck_entersub(pTHX_ OP *o) { @@ -221,15 +191,22 @@ STATIC OP *indirect_ck_entersub(pTHX_ OP *o) { om = om->op_sibling; if (om->op_type == OP_METHOD) om = cUNOPx(om)->op_first; + else if (om->op_type != OP_METHOD_NAMED) + goto done; pm = indirect_map_fetch(om, &svm); po = indirect_map_fetch(oo, &svo); - if (pm && po && pm < po && indirect_intuit(pm, po)) + if (pm && po && pm < po) ((hint == 2) ? croak : warn)(indirect_msg, SvPV_nolen(svm), SvPV_nolen(svo)); } +done: return CALL_FPTR(indirect_old_ck_entersub)(aTHX_ o); } +STATIC U32 indirect_initialized = 0; + +/* --- XS ------------------------------------------------------------------ */ + MODULE = indirect PACKAGE = indirect PROTOTYPES: DISABLE