5 #include "stolen_chunk_of_toke.c"
10 # define Newx(v,n,t) New(0,v,n,t)
18 #define DD_DEBUG_S printf("Buffer: %s\n", s);
24 #define LEX_INTERPNORMAL 9
26 /* flag to trigger removal of temporary declaree sub */
28 static int in_declare = 0;
30 /* in 5.10, PL_parser will be NULL if we aren't parsing, and PL_lex_stuff
31 is a lookup into it - so if anything else we can use to tell, so we
32 need to be a bit more careful if PL_parser exists */
34 #define DD_AM_LEXING_CHECK (PL_lex_state == LEX_NORMAL || PL_lex_state == LEX_INTERPNORMAL)
37 #define DD_HAVE_PARSER PL_parser
38 #define DD_HAVE_LEX_STUFF (PL_parser && PL_lex_stuff)
39 #define DD_AM_LEXING (PL_parser && DD_AM_LEXING_CHECK)
41 #define DD_HAVE_PARSER 1
42 #define DD_HAVE_LEX_STUFF PL_lex_stuff
43 #define DD_AM_LEXING DD_AM_LEXING_CHECK
46 /* thing that decides whether we're dealing with a declarator */
48 int dd_is_declarator(pTHX_ char* name) {
50 SV** is_declarator_pack_ref;
51 HV* is_declarator_pack_hash;
52 SV** is_declarator_flag_ref;
55 is_declarator = get_hv("Devel::Declare::declarators", FALSE);
60 /* $declarators{$current_package_name} */
62 is_declarator_pack_ref = hv_fetch(is_declarator, HvNAME(PL_curstash),
63 strlen(HvNAME(PL_curstash)), FALSE);
65 if (!is_declarator_pack_ref || !SvROK(*is_declarator_pack_ref))
66 return -1; /* not a hashref */
68 is_declarator_pack_hash = (HV*) SvRV(*is_declarator_pack_ref);
70 /* $declarators{$current_package_name}{$name} */
72 is_declarator_flag_ref = hv_fetch(
73 is_declarator_pack_hash, name,
77 /* requires SvIOK as well as TRUE since flags not being an int is useless */
79 if (!is_declarator_flag_ref
80 || !SvIOK(*is_declarator_flag_ref)
81 || !SvTRUE(*is_declarator_flag_ref))
84 dd_flags = SvIVX(*is_declarator_flag_ref);
91 void dd_linestr_callback (pTHX_ char* type, char* name) {
93 char* linestr = SvPVX(PL_linestr);
94 int offset = PL_bufptr - linestr;
102 XPUSHs(sv_2mortal(newSVpv(type, 0)));
103 XPUSHs(sv_2mortal(newSVpv(name, 0)));
104 XPUSHs(sv_2mortal(newSViv(offset)));
107 call_pv("Devel::Declare::linestr_callback", G_VOID|G_DISCARD);
113 char* dd_get_linestr(pTHX) {
114 return SvPVX(PL_linestr);
117 void dd_set_linestr(pTHX_ char* new_value) {
118 int new_len = strlen(new_value);
119 char* old_linestr = SvPVX(PL_linestr);
121 SvGROW(PL_linestr, new_len);
123 if (SvPVX(PL_linestr) != old_linestr)
124 croak("forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
126 memcpy(SvPVX(PL_linestr), new_value, new_len+1);
128 SvCUR_set(PL_linestr, new_len);
130 PL_bufend = SvPVX(PL_linestr) + new_len;
133 char* dd_get_lex_stuff(pTHX) {
134 return (DD_HAVE_LEX_STUFF ? SvPVX(PL_lex_stuff) : "");
137 char* dd_clear_lex_stuff(pTHX) {
139 PL_lex_stuff = (SV*)NULL;
142 char* dd_get_curstash_name(pTHX) {
143 return HvNAME(PL_curstash);
146 int dd_get_linestr_offset(pTHX) {
147 char* linestr = SvPVX(PL_linestr);
148 return PL_bufptr - linestr;
151 char* dd_move_past_token (pTHX_ char* s) {
154 * buffer will be at the beginning of the declarator, -unless- the
155 * declarator is at EOL in which case it'll be the next useful line
156 * so we don't short-circuit out if we don't find the declarator
159 while (s < PL_bufend && isSPACE(*s)) s++;
160 if (memEQ(s, PL_tokenbuf, strlen(PL_tokenbuf)))
161 s += strlen(PL_tokenbuf);
165 int dd_toke_move_past_token (pTHX_ int offset) {
166 char* base_s = SvPVX(PL_linestr) + offset;
167 char* s = dd_move_past_token(aTHX_ base_s);
171 int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
172 char tmpbuf[sizeof PL_tokenbuf];
173 char* base_s = SvPVX(PL_linestr) + offset;
175 char* s = scan_word(base_s, tmpbuf, sizeof tmpbuf, handle_package, &len);
179 int dd_toke_scan_str(pTHX_ int offset) {
180 char* base_s = SvPVX(PL_linestr) + offset;
181 char* s = scan_str(base_s, FALSE, FALSE);
185 int dd_toke_skipspace(pTHX_ int offset) {
186 char* base_s = SvPVX(PL_linestr) + offset;
187 char* s = skipspace(base_s);
191 /* replacement PL_check rv2cv entry */
193 STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
195 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
200 o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
205 printf("Deconstructing declare\n");
206 printf("PL_bufptr: %s\n", PL_bufptr);
207 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
208 printf("linestr: %s\n", SvPVX(PL_linestr));
209 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
211 call_argv("Devel::Declare::done_declare", G_VOID|G_DISCARD, cb_args);
213 printf("PL_bufptr: %s\n", PL_bufptr);
214 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
215 printf("linestr: %s\n", SvPVX(PL_linestr));
216 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
217 printf("actual len: %i\n", strlen(PL_bufptr));
222 kid = cUNOPo->op_first;
224 if (kid->op_type != OP_GV) /* not a GV so ignore */
228 return o; /* not lexing? */
231 printf("Checking GV %s -> %s\n", HvNAME(GvSTASH(kGVOP_gv)), GvNAME(kGVOP_gv));
234 dd_flags = dd_is_declarator(aTHX_ GvNAME(kGVOP_gv));
240 printf("dd_flags are: %i\n", dd_flags);
244 printf("PL_tokenbuf: %s\n", PL_tokenbuf);
247 dd_linestr_callback(aTHX_ "rv2cv", GvNAME(kGVOP_gv));
252 STATIC OP *(*dd_old_ck_entereval)(pTHX_ OP *op);
254 OP* dd_pp_entereval(pTHX) {
261 printf("mangling eval sv\n");
264 sv = sv_2mortal(newSVsv(sv));
267 if (!len || s[len-1] != ';') {
268 if (!(SvFLAGS(sv) & SVs_TEMP))
269 sv = sv_2mortal(newSVsv(sv));
270 sv_catpvn(sv, "\n;", 2);
275 return PL_ppaddr[OP_ENTEREVAL](aTHX);
278 STATIC OP *dd_ck_entereval(pTHX_ OP *o) {
279 o = dd_old_ck_entereval(aTHX_ o); /* let the original do its job */
280 if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
281 o->op_ppaddr = dd_pp_entereval;
285 static I32 dd_filter_realloc(pTHX_ int idx, SV *sv, int maxlen)
287 const I32 count = FILTER_READ(idx+1, sv, maxlen);
288 SvGROW(sv, 8192); /* please try not to have a line longer than this :) */
289 /* filter_del(dd_filter_realloc); */
293 STATIC OP *(*dd_old_ck_const)(pTHX_ OP*op);
295 STATIC OP *dd_ck_const(pTHX_ OP *o) {
300 o = dd_old_ck_const(aTHX_ o); /* let the original do its job */
302 /* if this is set, we just grabbed a delimited string or something,
303 not a bareword, so NO TOUCHY */
305 if (DD_HAVE_LEX_STUFF)
308 /* don't try and look this up if it's not a string const */
309 if (!SvPOK(cSVOPo->op_sv))
312 name = SvPVX(cSVOPo->op_sv);
314 dd_flags = dd_is_declarator(aTHX_ name);
319 dd_linestr_callback(aTHX_ "const", name);
324 static int initialized = 0;
326 MODULE = Devel::Declare PACKAGE = Devel::Declare
333 if (!initialized++) {
334 dd_old_ck_rv2cv = PL_check[OP_RV2CV];
335 PL_check[OP_RV2CV] = dd_ck_rv2cv;
336 dd_old_ck_entereval = PL_check[OP_ENTEREVAL];
337 PL_check[OP_ENTEREVAL] = dd_ck_entereval;
338 dd_old_ck_const = PL_check[OP_CONST];
339 PL_check[OP_CONST] = dd_ck_const;
341 filter_add(dd_filter_realloc, NULL);
346 RETVAL = dd_get_linestr(aTHX);
351 set_linestr(char* new_value)
353 dd_set_linestr(aTHX_ new_value);
358 RETVAL = dd_get_lex_stuff(aTHX);
365 dd_clear_lex_stuff(aTHX);
370 RETVAL = dd_get_curstash_name(aTHX);
377 RETVAL = dd_get_linestr_offset(aTHX);
382 toke_scan_word(int offset, int handle_package)
384 RETVAL = dd_toke_scan_word(aTHX_ offset, handle_package);
389 toke_move_past_token(int offset);
391 RETVAL = dd_toke_move_past_token(aTHX_ offset);
396 toke_scan_str(int offset);
398 RETVAL = dd_toke_scan_str(aTHX_ offset);
403 toke_skipspace(int offset)
405 RETVAL = dd_toke_skipspace(aTHX_ offset);
417 set_in_declare(int value)