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 if (SvLEN(PL_linestr) < new_len) {
122 croak("forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
125 SvGROW(PL_linestr, new_len);
127 memcpy(SvPVX(PL_linestr), new_value, new_len+1);
129 SvCUR_set(PL_linestr, new_len);
131 PL_bufend = SvPVX(PL_linestr) + new_len;
134 char* dd_get_lex_stuff(pTHX) {
135 return (DD_HAVE_LEX_STUFF ? SvPVX(PL_lex_stuff) : "");
138 char* dd_clear_lex_stuff(pTHX) {
140 PL_lex_stuff = (SV*)NULL;
143 char* dd_get_curstash_name(pTHX) {
144 return HvNAME(PL_curstash);
147 int dd_get_linestr_offset(pTHX) {
148 char* linestr = SvPVX(PL_linestr);
149 return PL_bufptr - linestr;
152 char* dd_move_past_token (pTHX_ char* s) {
155 * buffer will be at the beginning of the declarator, -unless- the
156 * declarator is at EOL in which case it'll be the next useful line
157 * so we don't short-circuit out if we don't find the declarator
160 while (s < PL_bufend && isSPACE(*s)) s++;
161 if (memEQ(s, PL_tokenbuf, strlen(PL_tokenbuf)))
162 s += strlen(PL_tokenbuf);
166 int dd_toke_move_past_token (pTHX_ int offset) {
167 char* base_s = SvPVX(PL_linestr) + offset;
168 char* s = dd_move_past_token(aTHX_ base_s);
172 int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
173 char tmpbuf[sizeof PL_tokenbuf];
174 char* base_s = SvPVX(PL_linestr) + offset;
176 char* s = scan_word(base_s, tmpbuf, sizeof tmpbuf, handle_package, &len);
180 int dd_toke_scan_str(pTHX_ int offset) {
181 char* base_s = SvPVX(PL_linestr) + offset;
182 char* s = scan_str(base_s, FALSE, FALSE);
186 int dd_toke_skipspace(pTHX_ int offset) {
187 char* base_s = SvPVX(PL_linestr) + offset;
188 char* s = skipspace(base_s);
192 /* replacement PL_check rv2cv entry */
194 STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
196 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
201 o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
206 printf("Deconstructing declare\n");
207 printf("PL_bufptr: %s\n", PL_bufptr);
208 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
209 printf("linestr: %s\n", SvPVX(PL_linestr));
210 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
212 call_argv("Devel::Declare::done_declare", G_VOID|G_DISCARD, cb_args);
214 printf("PL_bufptr: %s\n", PL_bufptr);
215 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
216 printf("linestr: %s\n", SvPVX(PL_linestr));
217 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
218 printf("actual len: %i\n", strlen(PL_bufptr));
223 kid = cUNOPo->op_first;
225 if (kid->op_type != OP_GV) /* not a GV so ignore */
229 return o; /* not lexing? */
232 printf("Checking GV %s -> %s\n", HvNAME(GvSTASH(kGVOP_gv)), GvNAME(kGVOP_gv));
235 dd_flags = dd_is_declarator(aTHX_ GvNAME(kGVOP_gv));
241 printf("dd_flags are: %i\n", dd_flags);
245 printf("PL_tokenbuf: %s\n", PL_tokenbuf);
248 dd_linestr_callback(aTHX_ "rv2cv", GvNAME(kGVOP_gv));
253 STATIC OP *(*dd_old_ck_entereval)(pTHX_ OP *op);
255 OP* dd_pp_entereval(pTHX) {
262 printf("mangling eval sv\n");
265 sv = sv_2mortal(newSVsv(sv));
268 if (!len || s[len-1] != ';') {
269 if (!(SvFLAGS(sv) & SVs_TEMP))
270 sv = sv_2mortal(newSVsv(sv));
271 sv_catpvn(sv, "\n;", 2);
276 return PL_ppaddr[OP_ENTEREVAL](aTHX);
279 STATIC OP *dd_ck_entereval(pTHX_ OP *o) {
280 o = dd_old_ck_entereval(aTHX_ o); /* let the original do its job */
281 if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
282 o->op_ppaddr = dd_pp_entereval;
286 static I32 dd_filter_realloc(pTHX_ int idx, SV *sv, int maxlen)
288 const I32 count = FILTER_READ(idx+1, sv, maxlen);
289 SvGROW(sv, 8192); /* please try not to have a line longer than this :) */
290 /* filter_del(dd_filter_realloc); */
294 STATIC OP *(*dd_old_ck_const)(pTHX_ OP*op);
296 STATIC OP *dd_ck_const(pTHX_ OP *o) {
301 o = dd_old_ck_const(aTHX_ o); /* let the original do its job */
303 /* if this is set, we just grabbed a delimited string or something,
304 not a bareword, so NO TOUCHY */
306 if (DD_HAVE_LEX_STUFF)
309 /* don't try and look this up if it's not a string const */
310 if (!SvPOK(cSVOPo->op_sv))
313 name = SvPVX(cSVOPo->op_sv);
315 dd_flags = dd_is_declarator(aTHX_ name);
320 dd_linestr_callback(aTHX_ "const", name);
325 static int initialized = 0;
327 MODULE = Devel::Declare PACKAGE = Devel::Declare
334 if (!initialized++) {
335 dd_old_ck_rv2cv = PL_check[OP_RV2CV];
336 PL_check[OP_RV2CV] = dd_ck_rv2cv;
337 dd_old_ck_entereval = PL_check[OP_ENTEREVAL];
338 PL_check[OP_ENTEREVAL] = dd_ck_entereval;
339 dd_old_ck_const = PL_check[OP_CONST];
340 PL_check[OP_CONST] = dd_ck_const;
342 filter_add(dd_filter_realloc, NULL);
347 RETVAL = dd_get_linestr(aTHX);
352 set_linestr(char* new_value)
354 dd_set_linestr(aTHX_ new_value);
359 RETVAL = dd_get_lex_stuff(aTHX);
366 dd_clear_lex_stuff(aTHX);
371 RETVAL = dd_get_curstash_name(aTHX);
378 RETVAL = dd_get_linestr_offset(aTHX);
383 toke_scan_word(int offset, int handle_package)
385 RETVAL = dd_toke_scan_word(aTHX_ offset, handle_package);
390 toke_move_past_token(int offset);
392 RETVAL = dd_toke_move_past_token(aTHX_ offset);
397 toke_scan_str(int offset);
399 RETVAL = dd_toke_scan_str(aTHX_ offset);
404 toke_skipspace(int offset)
406 RETVAL = dd_toke_skipspace(aTHX_ offset);
418 set_in_declare(int value)