2 #define PERL_NO_GET_CONTEXT
7 #include "stolen_chunk_of_toke.c"
12 # define Newx(v,n,t) New(0,v,n,t)
20 #define DD_DEBUG_S printf("Buffer: %s\n", s);
26 #define LEX_INTERPNORMAL 9
28 /* flag to trigger removal of temporary declaree sub */
30 static int in_declare = 0;
32 /* thing that decides whether we're dealing with a declarator */
34 int dd_is_declarator(pTHX_ char* name) {
36 SV** is_declarator_pack_ref;
37 HV* is_declarator_pack_hash;
38 SV** is_declarator_flag_ref;
41 is_declarator = get_hv("Devel::Declare::declarators", FALSE);
46 /* $declarators{$current_package_name} */
48 is_declarator_pack_ref = hv_fetch(is_declarator, HvNAME(PL_curstash),
49 strlen(HvNAME(PL_curstash)), FALSE);
51 if (!is_declarator_pack_ref || !SvROK(*is_declarator_pack_ref))
52 return -1; /* not a hashref */
54 is_declarator_pack_hash = (HV*) SvRV(*is_declarator_pack_ref);
56 /* $declarators{$current_package_name}{$name} */
58 is_declarator_flag_ref = hv_fetch(
59 is_declarator_pack_hash, name,
63 /* requires SvIOK as well as TRUE since flags not being an int is useless */
65 if (!is_declarator_flag_ref
66 || !SvIOK(*is_declarator_flag_ref)
67 || !SvTRUE(*is_declarator_flag_ref))
70 dd_flags = SvIVX(*is_declarator_flag_ref);
77 void dd_linestr_callback (pTHX_ char* type, char* name) {
79 char* linestr = SvPVX(PL_linestr);
80 int offset = PL_bufptr - linestr;
88 XPUSHs(sv_2mortal(newSVpv(type, 0)));
89 XPUSHs(sv_2mortal(newSVpv(name, 0)));
90 XPUSHs(sv_2mortal(newSViv(offset)));
93 call_pv("Devel::Declare::linestr_callback", G_VOID|G_DISCARD);
99 char* dd_get_linestr(pTHX) {
100 return SvPVX(PL_linestr);
103 void dd_set_linestr(pTHX_ char* new_value) {
104 int new_len = strlen(new_value);
105 char* old_linestr = SvPVX(PL_linestr);
107 SvGROW(PL_linestr, strlen(new_value));
109 if (SvPVX(PL_linestr) != old_linestr)
110 Perl_croak(aTHX_ "forced to realloc PL_linestr for line %s, bailing out before we crash harder", SvPVX(PL_linestr));
112 memcpy(SvPVX(PL_linestr), new_value, new_len+1);
114 SvCUR_set(PL_linestr, new_len);
116 PL_bufend = SvPVX(PL_linestr) + new_len;
119 char* dd_get_lex_stuff(pTHX) {
120 return (PL_lex_stuff ? SvPVX(PL_lex_stuff) : "");
123 char* dd_clear_lex_stuff(pTHX) {
124 PL_lex_stuff = Nullsv;
127 char* dd_get_curstash_name(pTHX) {
128 return HvNAME(PL_curstash);
131 int dd_get_linestr_offset(pTHX) {
132 char* linestr = SvPVX(PL_linestr);
133 return PL_bufptr - linestr;
136 char* dd_move_past_token (pTHX_ char* s) {
139 * buffer will be at the beginning of the declarator, -unless- the
140 * declarator is at EOL in which case it'll be the next useful line
141 * so we don't short-circuit out if we don't find the declarator
144 while (s < PL_bufend && isSPACE(*s)) s++;
145 if (memEQ(s, PL_tokenbuf, strlen(PL_tokenbuf)))
146 s += strlen(PL_tokenbuf);
150 int dd_toke_move_past_token (pTHX_ int offset) {
151 char* base_s = SvPVX(PL_linestr) + offset;
152 char* s = dd_move_past_token(aTHX_ base_s);
156 int dd_toke_scan_word(pTHX_ int offset, int handle_package) {
157 char tmpbuf[sizeof PL_tokenbuf];
158 char* base_s = SvPVX(PL_linestr) + offset;
160 char* s = scan_word(base_s, tmpbuf, sizeof tmpbuf, handle_package, &len);
164 int dd_toke_scan_str(pTHX_ int offset) {
165 char* base_s = SvPVX(PL_linestr) + offset;
166 char* s = scan_str(base_s, FALSE, FALSE);
170 int dd_toke_skipspace(pTHX_ int offset) {
171 char* base_s = SvPVX(PL_linestr) + offset;
172 char* s = skipspace(base_s);
176 /* replacement PL_check rv2cv entry */
178 STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
180 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
185 o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
190 printf("Deconstructing declare\n");
191 printf("PL_bufptr: %s\n", PL_bufptr);
192 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
193 printf("linestr: %s\n", SvPVX(PL_linestr));
194 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
196 call_argv("Devel::Declare::done_declare", G_VOID|G_DISCARD, cb_args);
198 printf("PL_bufptr: %s\n", PL_bufptr);
199 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
200 printf("linestr: %s\n", SvPVX(PL_linestr));
201 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
202 printf("actual len: %i\n", strlen(PL_bufptr));
207 kid = cUNOPo->op_first;
209 if (kid->op_type != OP_GV) /* not a GV so ignore */
212 if (PL_lex_state != LEX_NORMAL && PL_lex_state != LEX_INTERPNORMAL)
213 return o; /* not lexing? */
216 printf("Checking GV %s -> %s\n", HvNAME(GvSTASH(kGVOP_gv)), GvNAME(kGVOP_gv));
219 dd_flags = dd_is_declarator(aTHX_ GvNAME(kGVOP_gv));
225 printf("dd_flags are: %i\n", dd_flags);
229 printf("PL_tokenbuf: %s\n", PL_tokenbuf);
232 dd_linestr_callback(aTHX_ "rv2cv", GvNAME(kGVOP_gv));
237 STATIC OP *(*dd_old_ck_entereval)(pTHX_ OP *op);
239 OP* dd_pp_entereval(pTHX) {
246 printf("mangling eval sv\n");
249 sv = sv_2mortal(newSVsv(sv));
252 if (!len || s[len-1] != ';') {
253 if (!(SvFLAGS(sv) & SVs_TEMP))
254 sv = sv_2mortal(newSVsv(sv));
255 sv_catpvn(sv, "\n;", 2);
260 return PL_ppaddr[OP_ENTEREVAL](aTHX);
263 STATIC OP *dd_ck_entereval(pTHX_ OP *o) {
264 o = dd_old_ck_entereval(aTHX_ o); /* let the original do its job */
265 if (o->op_ppaddr == PL_ppaddr[OP_ENTEREVAL])
266 o->op_ppaddr = dd_pp_entereval;
270 static I32 dd_filter_realloc(pTHX_ int idx, SV *sv, int maxlen)
272 const I32 count = FILTER_READ(idx+1, sv, maxlen);
273 SvGROW(sv, 8192); /* please try not to have a line longer than this :) */
274 /* filter_del(dd_filter_realloc); */
278 STATIC OP *(*dd_old_ck_const)(pTHX_ OP*op);
280 STATIC OP *dd_ck_const(pTHX_ OP *o) {
285 o = dd_old_ck_const(aTHX_ o); /* let the original do its job */
287 /* if this is set, we just grabbed a delimited string or something,
288 not a bareword, so NO TOUCHY */
293 /* don't try and look this up if it's not a string const */
294 if (!SvPOK(cSVOPo->op_sv))
297 name = SvPVX(cSVOPo->op_sv);
299 dd_flags = dd_is_declarator(aTHX_ name);
304 dd_linestr_callback(aTHX_ "const", name);
309 static int initialized = 0;
311 MODULE = Devel::Declare PACKAGE = Devel::Declare
318 if (!initialized++) {
319 dd_old_ck_rv2cv = PL_check[OP_RV2CV];
320 PL_check[OP_RV2CV] = dd_ck_rv2cv;
321 dd_old_ck_entereval = PL_check[OP_ENTEREVAL];
322 PL_check[OP_ENTEREVAL] = dd_ck_entereval;
323 dd_old_ck_const = PL_check[OP_CONST];
324 PL_check[OP_CONST] = dd_ck_const;
326 filter_add(dd_filter_realloc, NULL);
331 RETVAL = dd_get_linestr(aTHX);
336 set_linestr(char* new_value)
338 dd_set_linestr(aTHX_ new_value);
343 RETVAL = dd_get_lex_stuff(aTHX);
350 dd_clear_lex_stuff(aTHX);
355 RETVAL = dd_get_curstash_name(aTHX);
362 RETVAL = dd_get_linestr_offset(aTHX);
367 toke_scan_word(int offset, int handle_package)
369 RETVAL = dd_toke_scan_word(aTHX_ offset, handle_package);
374 toke_move_past_token(int offset);
376 RETVAL = dd_toke_move_past_token(aTHX_ offset);
381 toke_scan_str(int offset);
383 RETVAL = dd_toke_scan_str(aTHX_ offset);
388 toke_skipspace(int offset)
390 RETVAL = dd_toke_skipspace(aTHX_ offset);
402 set_in_declare(int value)