perlunifaq, uniintro: fix for 80 col display

[p5sagit/p5-mst-13.2.git] / ext / re / re.xs

diff --git a/ext/re/re.xs b/ext/re/re.xs
index 3188725..8bc305e 100644 (file)
--- a/ext/re/re.xs
+++ b/ext/re/re.xs
@@ -1,74 +1,101 @@
+#if defined(PERL_EXT_RE_DEBUG) && !defined(DEBUGGING)
+#  define DEBUGGING
+#endif
+
 #define PERL_NO_GET_CONTEXT
 #include "EXTERN.h"
 #include "perl.h"
 #include "XSUB.h"
+#include "re_comp.h"
 
-#ifdef WAS_NOT_DEBUGGING
-void Perl_deb(pTHX_ const char* pat, ...) { }
-#endif
 
-extern regexp* my_regcomp (pTHX_ char* exp, char* xend, PMOP* pm);
-extern I32     my_regexec (pTHX_ regexp* prog, char* stringarg, char* strend,
+START_EXTERN_C
+
+extern REGEXP* my_re_compile (pTHX_ SV * const pattern, const U32 pm_flags);
+extern I32     my_regexec (pTHX_ REGEXP * const prog, char* stringarg, char* strend,
                            char* strbeg, I32 minend, SV* screamer,
                            void* data, U32 flags);
-extern void    my_regfree (pTHX_ struct regexp* r);
-extern char*   my_re_intuit_start (pTHX_ regexp *prog, SV *sv, char *strpos,
-                                   char *strend, U32 flags,
+
+extern char*   my_re_intuit_start (pTHX_ REGEXP * const prog, SV *sv, char *strpos,
+                                   char *strend, const U32 flags,
                                    struct re_scream_pos_data_s *data);
-extern SV*     my_re_intuit_string (pTHX_ regexp *prog);
+extern SV*     my_re_intuit_string (pTHX_ REGEXP * const prog);
 
-#define MY_CXT_KEY "re::_guts" XS_VERSION
+extern void    my_regfree (pTHX_ REGEXP * const r);
 
-typedef struct {
-    int                x_oldflag;              /* debug flag */
-} my_cxt_t;
+extern void    my_reg_numbered_buff_fetch(pTHX_ REGEXP * const rx, const I32 paren,
+                                          SV * const usesv);
+extern void    my_reg_numbered_buff_store(pTHX_ REGEXP * const rx, const I32 paren,
+                                          SV const * const value);
+extern I32     my_reg_numbered_buff_length(pTHX_ REGEXP * const rx,
+                                           const SV * const sv, const I32 paren);
 
-START_MY_CXT
+extern SV*     my_reg_named_buff(pTHX_ REGEXP * const, SV * const, SV * const,
+                              const U32);
+extern SV*     my_reg_named_buff_iter(pTHX_ REGEXP * const rx,
+                                   const SV * const lastkey, const U32 flags);
 
-#define oldflag                (MY_CXT.x_oldflag)
+extern SV*      my_reg_qr_package(pTHX_ REGEXP * const rx);
+#if defined(USE_ITHREADS)
+extern void*   my_regdupe (pTHX_ REGEXP * const r, CLONE_PARAMS *param);
+#endif
 
-static void
-uninstall(pTHX)
-{
-    dMY_CXT;
-    PL_regexecp = Perl_regexec_flags;
-    PL_regcompp = Perl_pregcomp;
-    PL_regint_start = Perl_re_intuit_start;
-    PL_regint_string = Perl_re_intuit_string;
-    PL_regfree = Perl_pregfree;
-
-    if (!oldflag)
-       PL_debug &= ~DEBUG_r_FLAG;
-}
+EXTERN_C const struct regexp_engine my_reg_engine;
 
-static void
-install(pTHX)
-{
-    dMY_CXT;
-    PL_colorset = 0;                   /* Allow reinspection of ENV. */
-    PL_regexecp = &my_regexec;
-    PL_regcompp = &my_regcomp;
-    PL_regint_start = &my_re_intuit_start;
-    PL_regint_string = &my_re_intuit_string;
-    PL_regfree = &my_regfree;
-    oldflag = PL_debug & DEBUG_r_FLAG;
-    PL_debug |= DEBUG_r_FLAG;
-}
+END_EXTERN_C
 
-MODULE = re    PACKAGE = re
-
-BOOT:
-{
-   MY_CXT_INIT;
-}
+const struct regexp_engine my_reg_engine = { 
+        my_re_compile, 
+        my_regexec, 
+        my_re_intuit_start, 
+        my_re_intuit_string, 
+        my_regfree, 
+        my_reg_numbered_buff_fetch,
+        my_reg_numbered_buff_store,
+        my_reg_numbered_buff_length,
+        my_reg_named_buff,
+        my_reg_named_buff_iter,
+        my_reg_qr_package,
+#if defined(USE_ITHREADS)
+        my_regdupe 
+#endif
+};
 
+MODULE = re    PACKAGE = re
 
 void
 install()
-  CODE:
-    install(aTHX);
+    PPCODE:
+        PL_colorset = 0;       /* Allow reinspection of ENV. */
+        /* PL_debug |= DEBUG_r_FLAG; */
+       XPUSHs(sv_2mortal(newSViv(PTR2IV(&my_reg_engine))));
 
 void
-uninstall()
-  CODE:
-    uninstall(aTHX);
+regmust(sv)
+    SV * sv
+PROTOTYPE: $
+PREINIT:
+    REGEXP *re;
+PPCODE:
+{
+    if ((re = SvRX(sv))) /* assign deliberate */
+    {
+        SV *an = &PL_sv_no;
+        SV *fl = &PL_sv_no;
+        if (RX_ANCHORED_SUBSTR(re)) {
+            an = newSVsv(RX_ANCHORED_SUBSTR(re));
+        } else if (RX_ANCHORED_UTF8(re)) {
+            an = newSVsv(RX_ANCHORED_UTF8(re));
+        }
+        if (RX_FLOAT_SUBSTR(re)) {
+            fl = newSVsv(RX_FLOAT_SUBSTR(re));
+        } else if (RX_FLOAT_UTF8(re)) {
+            fl = newSVsv(RX_FLOAT_UTF8(re));
+        }
+        XPUSHs(an);
+        XPUSHs(fl);
+        XSRETURN(2);
+    }
+    XSRETURN_UNDEF;
+}
+