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;
96 XPUSHs(sv_2mortal(newSVpv(type, 0)));
97 XPUSHs(sv_2mortal(newSVpv(name, 0)));
98 XPUSHs(sv_2mortal(newSViv(offset)));
101 call_pv("Devel::Declare::linestr_callback", G_VOID|G_DISCARD);
107 char* dd_get_linestr(pTHX) {
108 return SvPVX(PL_linestr);
111 void dd_set_linestr(pTHX_ char* new_value) {
112 int new_len = strlen(new_value);
113 char* old_linestr = SvPVX(PL_linestr);
115 SvGROW(PL_linestr, strlen(new_value));
117 if (SvPVX(PL_linestr) != old_linestr)
118 Perl_croak(aTHX_ "forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
120 memcpy(SvPVX(PL_linestr), new_value, new_len+1);
122 SvCUR_set(PL_linestr, new_len);
124 PL_bufend = SvPVX(PL_linestr) + new_len;
127 char* dd_get_lex_stuff(pTHX) {
128 return SvPVX(PL_lex_stuff);
131 char* dd_clear_lex_stuff(pTHX) {
132 PL_lex_stuff = Nullsv;
135 char* dd_get_curstash_name(pTHX) {
136 return HvNAME(PL_curstash);
139 char* dd_move_past_token (pTHX_ char* s) {
142 * buffer will be at the beginning of the declarator, -unless- the
143 * declarator is at EOL in which case it'll be the next useful line
144 * so we don't short-circuit out if we don't find the declarator
147 while (s < PL_bufend && isSPACE(*s)) s++;
148 if (memEQ(s, PL_tokenbuf, strlen(PL_tokenbuf)))
149 s += strlen(PL_tokenbuf);
153 int dd_toke_move_past_token (pTHX_ int offset) {
154 char* base_s = SvPVX(PL_linestr) + offset;
155 char* s = dd_move_past_token(aTHX_ base_s);
159 int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
160 char tmpbuf[sizeof PL_tokenbuf];
161 char* base_s = SvPVX(PL_linestr) + offset;
163 char* s = scan_word(base_s, tmpbuf, sizeof tmpbuf, handle_package, &len);
167 int dd_toke_scan_str(pTHX_ int offset) {
168 char* base_s = SvPVX(PL_linestr) + offset;
169 char* s = scan_str(base_s, FALSE, FALSE);
173 int dd_toke_skipspace(pTHX_ int offset) {
174 char* base_s = SvPVX(PL_linestr) + offset;
175 char* s = skipspace(base_s);
179 /* replacement PL_check rv2cv entry */
181 STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
183 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
187 char tmpbuf[sizeof PL_tokenbuf];
188 char found_name[sizeof PL_tokenbuf];
189 char* found_proto = NULL, *found_traits = NULL;
193 dSP; /* define stack pointer for later call stuff */
195 STRLEN n_a; /* for POPpx */
197 o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
202 printf("Deconstructing declare\n");
203 printf("PL_bufptr: %s\n", PL_bufptr);
204 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
205 printf("linestr: %s\n", SvPVX(PL_linestr));
206 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
208 call_argv("Devel::Declare::done_declare", G_VOID|G_DISCARD, cb_args);
211 printf("PL_bufptr: %s\n", PL_bufptr);
212 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
213 printf("linestr: %s\n", SvPVX(PL_linestr));
214 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
215 printf("actual len: %i\n", strlen(PL_bufptr));
220 kid = cUNOPo->op_first;
222 if (kid->op_type != OP_GV) /* not a GV so ignore */
225 if (PL_lex_state != LEX_NORMAL && PL_lex_state != LEX_INTERPNORMAL)
226 return o; /* not lexing? */
228 /* I was doing this, but the CONST wrap can't so it didn't gain anything
229 stash = GvSTASH(kGVOP_gv); */
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);
244 s = PL_bufptr; /* copy the current buffer pointer */
249 printf("PL_tokenbuf: %s\n", PL_tokenbuf);
252 dd_linestr_callback(aTHX_ "rv2cv", GvNAME(kGVOP_gv), s);
257 STATIC OP *(*dd_old_ck_entereval)(pTHX_ OP *op);
259 OP* dd_pp_entereval(pTHX) {
266 printf("mangling eval sv\n");
269 sv = sv_2mortal(newSVsv(sv));
272 if (!len || s[len-1] != ';') {
273 if (!(SvFLAGS(sv) & SVs_TEMP))
274 sv = sv_2mortal(newSVsv(sv));
275 sv_catpvn(sv, "\n;", 2);
280 return PL_ppaddr[OP_ENTEREVAL](aTHX);
283 STATIC OP *dd_ck_entereval(pTHX_ OP *o) {
284 o = dd_old_ck_entereval(aTHX_ o); /* let the original do its job */
285 if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
286 o->op_ppaddr = dd_pp_entereval;
290 static I32 dd_filter_realloc(pTHX_ int idx, SV *sv, int maxlen)
292 const I32 count = FILTER_READ(idx+1, sv, maxlen);
293 SvGROW(sv, 8192); /* please try not to have a line longer than this :) */
294 /* filter_del(dd_filter_realloc); */
298 STATIC OP *(*dd_old_ck_const)(pTHX_ OP*op);
300 STATIC OP *dd_ck_const(pTHX_ OP *o) {
305 o = dd_old_ck_const(aTHX_ o); /* let the original do its job */
307 /* don't try and look this up if it's not a string const */
308 if (!SvPOK(cSVOPo->op_sv))
311 name = SvPVX(cSVOPo->op_sv);
313 dd_flags = dd_is_declarator(aTHX_ name);
320 dd_linestr_callback(aTHX_ "const", name, s);
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);
376 toke_scan_word(int offset, int handle_package)
378 RETVAL = dd_toke_scan_word(aTHX_ offset, handle_package);
383 toke_move_past_token(int offset);
385 RETVAL = dd_toke_move_past_token(aTHX_ offset);
390 toke_scan_str(int offset);
392 RETVAL = dd_toke_scan_str(aTHX_ offset);
397 toke_skipspace(int offset)
399 RETVAL = dd_toke_skipspace(aTHX_ offset);
411 set_in_declare(int value)