#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
+#include "hook_op_check.h"
#undef printf
#include "stolen_chunk_of_toke.c"
#include <stdio.h>
# define Newx(v,n,t) New(0,v,n,t)
#endif /* !Newx */
+#define DD_DEBUGf_UPDATED_LINESTR 1
+#define DD_DEBUGf_TRACE 2
+
+#define DD_DEBUG_UPDATED_LINESTR (dd_debug & DD_DEBUGf_UPDATED_LINESTR)
+#define DD_DEBUG_TRACE (dd_debug & DD_DEBUGf_TRACE)
static int dd_debug = 0;
#define LEX_NORMAL 10
#define DD_AM_LEXING_CHECK (PL_lex_state == LEX_NORMAL || PL_lex_state == LEX_INTERPNORMAL)
-#ifdef PL_parser
+#if defined(PL_parser) || defined(PERL_5_9_PLUS)
#define DD_HAVE_PARSER PL_parser
#define DD_HAVE_LEX_STUFF (PL_parser && PL_lex_stuff)
#define DD_AM_LEXING (PL_parser && DD_AM_LEXING_CHECK)
/* $declarators{$current_package_name} */
if (!HvNAME(PL_curstash))
- return -1;
+ return -1;
is_declarator_pack_ref = hv_fetch(is_declarator, HvNAME(PL_curstash),
strlen(HvNAME(PL_curstash)), FALSE);
/* requires SvIOK as well as TRUE since flags not being an int is useless */
if (!is_declarator_flag_ref
- || !SvIOK(*is_declarator_flag_ref)
+ || !SvIOK(*is_declarator_flag_ref)
|| !SvTRUE(*is_declarator_flag_ref))
return -1;
}
void dd_set_linestr(pTHX_ char* new_value) {
- int new_len = strlen(new_value);
+ unsigned int new_len = strlen(new_value);
if (SvLEN(PL_linestr) < new_len) {
- croak("forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
+ croak("PL_linestr not long enough, was Devel::Declare loaded soon enough in %s",
+ CopFILE(&PL_compiling)
+ );
}
- SvGROW(PL_linestr, new_len);
memcpy(SvPVX(PL_linestr), new_value, new_len+1);
SvCUR_set(PL_linestr, new_len);
PL_bufend = SvPVX(PL_linestr) + new_len;
+
+ if ( DD_DEBUG_UPDATED_LINESTR && PERLDB_LINE && PL_curstash != PL_debstash) {
+ // Cribbed from toke.c
+ SV * const sv = NEWSV(85,0);
+
+ sv_upgrade(sv, SVt_PVMG);
+ sv_setpvn(sv,PL_bufptr,PL_bufend-PL_bufptr);
+ (void)SvIOK_on(sv);
+ SvIV_set(sv, 0);
+ av_store(CopFILEAV(&PL_compiling),(I32)CopLINE(&PL_compiling),sv);
+ }
}
char* dd_get_lex_stuff(pTHX) {
return s - base_s;
}
+int dd_toke_scan_ident(pTHX_ int offset) {
+ char tmpbuf[sizeof PL_tokenbuf];
+ char* base_s = SvPVX(PL_linestr) + offset;
+ char* s = scan_ident(base_s, PL_bufend, tmpbuf, sizeof tmpbuf, 0);
+ return s - base_s;
+}
+
int dd_toke_scan_str(pTHX_ int offset) {
+ STRLEN remaining = sv_len(PL_linestr) - offset;
+ SV* line_copy = newSVsv(PL_linestr);
char* base_s = SvPVX(PL_linestr) + offset;
char* s = scan_str(base_s, FALSE, FALSE);
+ if (s != base_s && sv_len(PL_lex_stuff) > remaining) {
+ int ret = (s - SvPVX(PL_linestr)) + remaining;
+ sv_catsv(line_copy, PL_linestr);
+ dd_set_linestr(aTHX_ SvPV_nolen(line_copy));
+ SvREFCNT_dec(line_copy);
+ return ret;
+ }
return s - base_s;
}
int dd_toke_skipspace(pTHX_ int offset) {
char* base_s = SvPVX(PL_linestr) + offset;
- char* s = skipspace(base_s);
+ char* s = skipspace_force(base_s);
return s - base_s;
}
/* replacement PL_check rv2cv entry */
-STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
-
-STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
+STATIC OP *dd_ck_rv2cv(pTHX_ OP *o, void *user_data) {
+ dSP;
OP* kid;
int dd_flags;
- o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
+ PERL_UNUSED_VAR(user_data);
if (in_declare) {
- if (dd_debug) {
+ if (DD_DEBUG_TRACE) {
printf("Deconstructing declare\n");
printf("PL_bufptr: %s\n", PL_bufptr);
printf("bufend at: %i\n", PL_bufend - PL_bufptr);
printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
}
- dSP;
-
ENTER;
SAVETMPS;
-
+
PUSHMARK(SP);
-
+
call_pv("Devel::Declare::done_declare", G_VOID|G_DISCARD);
FREETMPS;
LEAVE;
- if (dd_debug) {
+ if (DD_DEBUG_TRACE) {
printf("PL_bufptr: %s\n", PL_bufptr);
printf("bufend at: %i\n", PL_bufend - PL_bufptr);
printf("linestr: %s\n", SvPVX(PL_linestr));
if (!DD_AM_LEXING)
return o; /* not lexing? */
- if (dd_debug) {
+ if (DD_DEBUG_TRACE) {
printf("Checking GV %s -> %s\n", HvNAME(GvSTASH(kGVOP_gv)), GvNAME(kGVOP_gv));
}
if (dd_flags == -1)
return o;
- if (dd_debug) {
+ if (DD_DEBUG_TRACE) {
printf("dd_flags are: %i\n", dd_flags);
printf("PL_tokenbuf: %s\n", PL_tokenbuf);
}
return o;
}
-STATIC OP *(*dd_old_ck_entereval)(pTHX_ OP *op);
-
OP* dd_pp_entereval(pTHX) {
dSP;
- dPOPss;
STRLEN len;
const char* s;
+ SV *sv;
+#ifdef PERL_5_9_PLUS
+ SV *saved_hh;
+ if (PL_op->op_private & OPpEVAL_HAS_HH) {
+ saved_hh = POPs;
+ }
+#endif
+ sv = POPs;
if (SvPOK(sv)) {
- if (dd_debug) {
+ if (DD_DEBUG_TRACE) {
printf("mangling eval sv\n");
}
if (SvREADONLY(sv))
SvGROW(sv, 8192);
}
PUSHs(sv);
+#ifdef PERL_5_9_PLUS
+ if (PL_op->op_private & OPpEVAL_HAS_HH) {
+ PUSHs(saved_hh);
+ }
+#endif
return PL_ppaddr[OP_ENTEREVAL](aTHX);
}
-STATIC OP *dd_ck_entereval(pTHX_ OP *o) {
- o = dd_old_ck_entereval(aTHX_ o); /* let the original do its job */
+STATIC OP *dd_ck_entereval(pTHX_ OP *o, void *user_data) {
+ PERL_UNUSED_VAR(user_data);
+
if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
o->op_ppaddr = dd_pp_entereval;
return o;
return count;
}
-STATIC OP *(*dd_old_ck_const)(pTHX_ OP*op);
-
-STATIC OP *dd_ck_const(pTHX_ OP *o) {
+STATIC OP *dd_ck_const(pTHX_ OP *o, void *user_data) {
int dd_flags;
char* name;
- o = dd_old_ck_const(aTHX_ o); /* let the original do its job */
+ PERL_UNUSED_VAR(user_data);
+
+ if (DD_HAVE_PARSER && PL_expect == XOPERATOR) {
+ return o;
+ }
/* if this is set, we just grabbed a delimited string or something,
not a bareword, so NO TOUCHY */
if (dd_flags == -1)
return o;
+ switch (PL_lex_inwhat) {
+ case OP_QR:
+ case OP_MATCH:
+ case OP_SUBST:
+ case OP_TRANS:
+ case OP_BACKTICK:
+ case OP_STRINGIFY:
+ return o;
+ break;
+ default:
+ break;
+ }
+
+ if (strnEQ(PL_bufptr, "->", 2)) {
+ return o;
+ }
+
+ {
+ char buf[256];
+ STRLEN len;
+ char *s = PL_bufptr;
+ STRLEN old_offset = PL_bufptr - SvPVX(PL_linestr);
+
+ s = scan_word(s, buf, sizeof buf, FALSE, &len);
+ if (strnEQ(buf, name, len)) {
+ char *d;
+ SV *inject = newSVpvn(SvPVX(PL_linestr), PL_bufptr - SvPVX(PL_linestr));
+ sv_catpvn(inject, buf, len);
+
+ d = peekspace(s);
+ sv_catpvn(inject, s, d - s);
+
+ if ((PL_bufend - d) >= 2 && strnEQ(d, "=>", 2)) {
+ return o;
+ }
+
+ sv_catpv(inject, d);
+ dd_set_linestr(aTHX_ SvPV_nolen(inject));
+ PL_bufptr = SvPVX(PL_linestr) + old_offset;
+ SvREFCNT_dec (inject);
+ }
+ }
+
dd_linestr_callback(aTHX_ "const", name);
- return o;
+ return o;
}
static int initialized = 0;
setup()
CODE:
if (!initialized++) {
- dd_old_ck_rv2cv = PL_check[OP_RV2CV];
- PL_check[OP_RV2CV] = dd_ck_rv2cv;
- dd_old_ck_entereval = PL_check[OP_ENTEREVAL];
- PL_check[OP_ENTEREVAL] = dd_ck_entereval;
- dd_old_ck_const = PL_check[OP_CONST];
- PL_check[OP_CONST] = dd_ck_const;
+ hook_op_check(OP_RV2CV, dd_ck_rv2cv, NULL);
+ hook_op_check(OP_ENTEREVAL, dd_ck_entereval, NULL);
+ hook_op_check(OP_CONST, dd_ck_const, NULL);
}
filter_add(dd_filter_realloc, NULL);
RETVAL
int
+toke_scan_ident(int offset)
+ CODE:
+ RETVAL = dd_toke_scan_ident(aTHX_ offset);
+ OUTPUT:
+ RETVAL
+
+int
toke_skipspace(int offset)
CODE:
RETVAL = dd_toke_skipspace(aTHX_ offset);
in_declare = value;
BOOT:
- if (getenv ("DD_DEBUG")) {
- dd_debug = 1;
+{
+ char *endptr;
+ char *debug_str = getenv ("DD_DEBUG");
+ if (debug_str) {
+ dd_debug = strtol (debug_str, &endptr, 10);
+ if (*endptr != '\0') {
+ dd_debug = 0;
+ }
}
+}
projects / p5sagit/Devel-Declare.git / blobdiff