2 #define PERL_NO_GET_CONTEXT
7 #include "stolen_chunk_of_toke.c"
12 # define Newx(v,n,t) New(0,v,n,t)
23 #define DD_HANDLE_NAME 1
24 #define DD_HANDLE_PROTO 2
25 #define DD_HANDLE_PACKAGE 8
28 #define DD_DEBUG_S printf("Buffer: %s\n", s);
34 #define LEX_INTERPNORMAL 9
36 /* flag to trigger removal of temporary declaree sub */
38 static int in_declare = 0;
40 /* thing that decides whether we're dealing with a declarator */
42 int dd_is_declarator(pTHX_ char* name) {
44 SV** is_declarator_pack_ref;
45 HV* is_declarator_pack_hash;
46 SV** is_declarator_flag_ref;
49 is_declarator = get_hv("Devel::Declare::declarators", FALSE);
54 /* $declarators{$current_package_name} */
56 is_declarator_pack_ref = hv_fetch(is_declarator, HvNAME(PL_curstash),
57 strlen(HvNAME(PL_curstash)), FALSE);
59 if (!is_declarator_pack_ref || !SvROK(*is_declarator_pack_ref))
60 return -1; /* not a hashref */
62 is_declarator_pack_hash = (HV*) SvRV(*is_declarator_pack_ref);
64 /* $declarators{$current_package_name}{$name} */
66 is_declarator_flag_ref = hv_fetch(
67 is_declarator_pack_hash, name,
71 /* requires SvIOK as well as TRUE since flags not being an int is useless */
73 if (!is_declarator_flag_ref
74 || !SvIOK(*is_declarator_flag_ref)
75 || !SvTRUE(*is_declarator_flag_ref))
78 dd_flags = SvIVX(*is_declarator_flag_ref);
85 void dd_linestr_callback (pTHX_ char* type, char* name, char* s) {
87 char* linestr = SvPVX(PL_linestr);
88 int offset = s - linestr;
99 XPUSHs(sv_2mortal(newSVpv(type, 0)));
100 XPUSHs(sv_2mortal(newSVpv(name, 0)));
101 XPUSHs(sv_2mortal(newSViv(offset)));
104 count = call_pv("Devel::Declare::linestr_callback", G_SCALAR);
109 Perl_croak(aTHX_ "linestr_callback didn't return a value, bailing out");
111 printf("linestr_callback returned: %s\n", POPp);
118 char* dd_get_linestr(pTHX) {
119 return SvPVX(PL_linestr);
122 void dd_set_linestr(pTHX_ char* new_value) {
123 int new_len = strlen(new_value);
124 char* old_linestr = SvPVX(PL_linestr);
126 SvGROW(PL_linestr, strlen(new_value));
128 if (SvPVX(PL_linestr) != old_linestr)
129 Perl_croak(aTHX_ "forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
131 memcpy(SvPVX(PL_linestr), new_value, new_len+1);
133 SvCUR_set(PL_linestr, new_len);
135 PL_bufend = SvPVX(PL_linestr) + new_len;
138 char* dd_move_past_token (pTHX_ char* s) {
141 * buffer will be at the beginning of the declarator, -unless- the
142 * declarator is at EOL in which case it'll be the next useful line
143 * so we don't short-circuit out if we don't find the declarator
146 while (s < PL_bufend && isSPACE(*s)) s++;
147 if (memEQ(s, PL_tokenbuf, strlen(PL_tokenbuf)))
148 s += strlen(PL_tokenbuf);
152 int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
153 char tmpbuf[sizeof PL_tokenbuf];
154 char* base_s = SvPVX(PL_linestr) + offset;
156 char* s = scan_word(base_s, tmpbuf, sizeof tmpbuf, handle_package, &len);
160 int dd_toke_scan_str(pTHX_ int offset) {
161 char* base_s = SvPVX(PL_linestr) + offset;
162 char* s = scan_str(base_s, FALSE, FALSE);
166 int dd_toke_skipspace(pTHX_ int offset) {
167 char* base_s = SvPVX(PL_linestr) + offset;
168 char* s = skipspace(base_s);
172 /* replacement PL_check rv2cv entry */
174 STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
176 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
180 char tmpbuf[sizeof PL_tokenbuf];
181 char found_name[sizeof PL_tokenbuf];
182 char* found_proto = NULL, *found_traits = NULL;
186 dSP; /* define stack pointer for later call stuff */
188 STRLEN n_a; /* for POPpx */
190 o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
195 printf("Deconstructing declare\n");
196 printf("PL_bufptr: %s\n", PL_bufptr);
197 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
198 printf("linestr: %s\n", SvPVX(PL_linestr));
199 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
201 call_argv("Devel::Declare::done_declare", G_VOID|G_DISCARD, cb_args);
204 printf("PL_bufptr: %s\n", PL_bufptr);
205 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
206 printf("linestr: %s\n", SvPVX(PL_linestr));
207 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
208 printf("actual len: %i\n", strlen(PL_bufptr));
213 kid = cUNOPo->op_first;
215 if (kid->op_type != OP_GV) /* not a GV so ignore */
218 if (PL_lex_state != LEX_NORMAL && PL_lex_state != LEX_INTERPNORMAL)
219 return o; /* not lexing? */
221 /* I was doing this, but the CONST wrap can't so it didn't gain anything
222 stash = GvSTASH(kGVOP_gv); */
225 printf("Checking GV %s -> %s\n", HvNAME(GvSTASH(kGVOP_gv)), GvNAME(kGVOP_gv));
228 dd_flags = dd_is_declarator(aTHX_ GvNAME(kGVOP_gv));
234 printf("dd_flags are: %i\n", dd_flags);
237 s = PL_bufptr; /* copy the current buffer pointer */
242 printf("PL_tokenbuf: %s\n", PL_tokenbuf);
245 s = dd_move_past_token(aTHX_ s);
249 if (dd_flags & DD_HANDLE_NAME) {
257 /* kill the :: added in the ck_const */
263 /* arg 4 is allow_package */
265 s = scan_word(s, tmpbuf, sizeof tmpbuf, dd_flags & DD_HANDLE_PACKAGE, &len);
270 strcpy(found_name, tmpbuf);
272 printf("Found %s\n", found_name);
277 if (dd_flags & DD_HANDLE_PROTO) {
281 if (*s == '(') { /* found a prototype-ish thing */
283 s = scan_str(s, FALSE, FALSE); /* no keep_quoted, no keep_delims */
286 char *traitstart = s = skipspace(s);
288 while (*s && *s != '{') ++s;
290 int tlen = s - traitstart;
291 Newx(found_traits, tlen+1, char);
292 Copy(traitstart, found_traits, tlen, char);
293 found_traits[tlen] = 0;
295 printf("found traits..... (%s)\n", found_traits);
301 if (SvPOK(PL_lex_stuff)) {
303 printf("Found proto %s\n", SvPVX(PL_lex_stuff));
305 found_proto = SvPVX(PL_lex_stuff);
306 if (len) /* foo name () => foo name X, only foo parsed so works */
308 else /* foo () => foo =X, TOKEN('&') won't handle foo X */
315 printf("Curbuf %s\n", PL_bufptr);
325 printf("Calling init_declare\n");
327 cb_args[0] = HvNAME(PL_curstash);
328 cb_args[1] = GvNAME(kGVOP_gv);
329 cb_args[2] = HvNAME(PL_curstash);
330 cb_args[3] = found_name;
331 cb_args[4] = found_proto;
332 cb_args[5] = found_traits;
335 if (len && found_proto)
337 else if (len || found_proto)
340 PL_lex_stuff = Nullsv;
343 printf("cur buf: %s\n", s);
344 printf("bufend at: %i\n", PL_bufend - s);
345 printf("linestr: %s\n", SvPVX(PL_linestr));
346 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
350 call_argv("Devel::Declare::init_declare", G_SCALAR, cb_args);
354 if (retstr && strlen(retstr)) {
355 const char* old_start = SvPVX(PL_linestr);
357 const int old_len = SvCUR(PL_linestr);
359 printf("Got string %s\n", retstr);
361 SvGROW(PL_linestr, (STRLEN)(old_len + strlen(retstr)));
362 if (start_diff = SvPVX(PL_linestr) - old_start) {
363 Perl_croak(aTHX_ "forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
365 memmove(s+strlen(retstr), s, (PL_bufend - s)+1);
366 memmove(s, retstr, strlen(retstr));
367 SvCUR_set(PL_linestr, old_len + strlen(retstr));
368 PL_bufend += strlen(retstr);
370 printf("cur buf: %s\n", s);
371 printf("PL_bufptr: %s\n", PL_bufptr);
372 printf("bufend at: %i\n", PL_bufend - s);
373 printf("linestr: %s\n", SvPVX(PL_linestr));
374 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
375 printf("tokenbuf now: %s\n", PL_tokenbuf);
379 call_argv("Devel::Declare::init_declare", G_VOID|G_DISCARD, cb_args);
384 STATIC OP *(*dd_old_ck_entereval)(pTHX_ OP *op);
386 OP* dd_pp_entereval(pTHX) {
393 printf("mangling eval sv\n");
396 sv = sv_2mortal(newSVsv(sv));
399 if (!len || s[len-1] != ';') {
400 if (!(SvFLAGS(sv) & SVs_TEMP))
401 sv = sv_2mortal(newSVsv(sv));
402 sv_catpvn(sv, "\n;", 2);
407 return PL_ppaddr[OP_ENTEREVAL](aTHX);
410 STATIC OP *dd_ck_entereval(pTHX_ OP *o) {
411 o = dd_old_ck_entereval(aTHX_ o); /* let the original do its job */
412 if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
413 o->op_ppaddr = dd_pp_entereval;
417 static I32 dd_filter_realloc(pTHX_ int idx, SV *sv, int maxlen)
419 const I32 count = FILTER_READ(idx+1, sv, maxlen);
420 SvGROW(sv, 8192); /* please try not to have a line longer than this :) */
421 /* filter_del(dd_filter_realloc); */
425 STATIC OP *(*dd_old_ck_const)(pTHX_ OP*op);
427 STATIC OP *dd_ck_const(pTHX_ OP *o) {
430 char tmpbuf[sizeof PL_tokenbuf];
431 char found_name[sizeof PL_tokenbuf];
434 o = dd_old_ck_const(aTHX_ o); /* let the original do its job */
436 /* don't try and look this up if it's not a string const */
437 if (!SvPOK(cSVOPo->op_sv))
440 dd_flags = dd_is_declarator(aTHX_ SvPVX(cSVOPo->op_sv));
445 if (!(dd_flags & DD_HANDLE_NAME))
446 return o; /* if we're not handling name, method intuiting not an issue */
449 printf("Think I found a declarator %s\n", PL_tokenbuf);
450 printf("linestr: %s\n", SvPVX(PL_linestr));
455 s = dd_move_past_token(aTHX_ s);
457 /* dd_linestr_callback(aTHX_ "const", SvPVX(cSVOPo->op_sv), s); */
467 /* arg 4 is allow_package */
469 s = scan_word(s, tmpbuf, sizeof tmpbuf, dd_flags & DD_HANDLE_PACKAGE, &len);
474 const char* old_start = SvPVX(PL_linestr);
476 const int old_len = SvCUR(PL_linestr);
478 strcpy(found_name, tmpbuf);
480 printf("Found %s\n", found_name);
484 SvGROW(PL_linestr, (STRLEN)(old_len + 2));
485 if (start_diff = SvPVX(PL_linestr) - old_start) {
486 Perl_croak(aTHX_ "forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
488 memmove(s+2, s, (PL_bufend - s)+1);
492 SvCUR_set(PL_linestr, old_len + 2);
498 static int initialized = 0;
500 MODULE = Devel::Declare PACKAGE = Devel::Declare
507 if (!initialized++) {
508 dd_old_ck_rv2cv = PL_check[OP_RV2CV];
509 PL_check[OP_RV2CV] = dd_ck_rv2cv;
510 dd_old_ck_entereval = PL_check[OP_ENTEREVAL];
511 PL_check[OP_ENTEREVAL] = dd_ck_entereval;
512 dd_old_ck_const = PL_check[OP_CONST];
513 PL_check[OP_CONST] = dd_ck_const;
515 filter_add(dd_filter_realloc, NULL);
520 RETVAL = dd_get_linestr(aTHX);
525 set_linestr(char* new_value)
527 dd_set_linestr(aTHX_ new_value);
530 toke_scan_word(int offset, int handle_package)
532 RETVAL = dd_toke_scan_word(aTHX_ offset, handle_package);
537 toke_scan_str(int offset);
539 RETVAL = dd_toke_scan_str(aTHX_ offset);
544 toke_skipspace(int offset)
546 RETVAL = dd_toke_skipspace(aTHX_ offset);