2 #define PERL_NO_GET_CONTEXT
7 #include "stolen_chunk_of_toke.c"
16 #define DD_HANDLE_NAME 1
17 #define DD_HANDLE_PROTO 2
18 #define DD_HANDLE_PACKAGE 8
21 #define DD_DEBUG_S printf("Buffer: %s\n", s);
27 #define LEX_INTERPNORMAL 9
29 /* placeholders for PL_check entries we wrap */
31 STATIC OP *(*dd_old_ck_rv2cv)(pTHX_ OP *op);
32 STATIC OP *(*dd_old_ck_lineseq)(pTHX_ OP *op);
34 /* flag to trigger removal of temporary declaree sub */
36 static int in_declare = 0;
38 /* replacement PL_check rv2cv entry */
40 STATIC OP *dd_ck_rv2cv(pTHX_ OP *o) {
44 char tmpbuf[sizeof PL_tokenbuf];
45 char found_name[sizeof PL_tokenbuf];
46 char* found_proto = NULL, *found_traits = NULL;
50 SV** is_declarator_pack_ref;
51 HV* is_declarator_pack_hash;
52 SV** is_declarator_flag_ref;
55 dSP; /* define stack pointer for later call stuff */
57 STRLEN n_a; /* for POPpx */
59 o = dd_old_ck_rv2cv(aTHX_ o); /* let the original do its job */
64 printf("Deconstructing declare\n");
65 printf("PL_bufptr: %s\n", PL_bufptr);
66 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
67 printf("linestr: %s\n", SvPVX(PL_linestr));
68 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
70 call_argv("Devel::Declare::done_declare", G_VOID|G_DISCARD, cb_args);
73 printf("PL_bufptr: %s\n", PL_bufptr);
74 printf("bufend at: %i\n", PL_bufend - PL_bufptr);
75 printf("linestr: %s\n", SvPVX(PL_linestr));
76 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
77 printf("actual len: %i\n", strlen(PL_bufptr));
82 kid = cUNOPo->op_first;
84 if (kid->op_type != OP_GV) /* not a GV so ignore */
87 if (PL_lex_state != LEX_NORMAL && PL_lex_state != LEX_INTERPNORMAL)
88 return o; /* not lexing? */
90 stash = GvSTASH(kGVOP_gv);
93 printf("Checking GV %s -> %s\n", HvNAME(stash), GvNAME(kGVOP_gv));
96 is_declarator = get_hv("Devel::Declare::declarators", FALSE);
101 is_declarator_pack_ref = hv_fetch(is_declarator, HvNAME(stash),
102 strlen(HvNAME(stash)), FALSE);
104 if (!is_declarator_pack_ref || !SvROK(*is_declarator_pack_ref))
105 return o; /* not a hashref */
107 is_declarator_pack_hash = (HV*) SvRV(*is_declarator_pack_ref);
109 is_declarator_flag_ref = hv_fetch(is_declarator_pack_hash, GvNAME(kGVOP_gv),
110 strlen(GvNAME(kGVOP_gv)), FALSE);
112 /* requires SvIOK as well as TRUE since flags not being an int is useless */
114 if (!is_declarator_flag_ref
115 || !SvIOK(*is_declarator_flag_ref)
116 || !SvTRUE(*is_declarator_flag_ref))
119 dd_flags = SvIVX(*is_declarator_flag_ref);
122 printf("dd_flags are: %i\n", dd_flags);
125 s = PL_bufptr; /* copy the current buffer pointer */
130 printf("PL_tokenbuf: %s\n", PL_tokenbuf);
134 * buffer will be at the beginning of the declarator, -unless- the
135 * declarator is at EOL in which case it'll be the next useful line
136 * so we don't short-circuit out if we don't find the declarator
139 while (s < PL_bufend && isSPACE(*s)) s++;
140 if (memEQ(s, PL_tokenbuf, strlen(PL_tokenbuf)))
141 s += strlen(PL_tokenbuf);
145 if (dd_flags & DD_HANDLE_NAME) {
153 /* arg 4 is allow_package */
155 s = scan_word(s, tmpbuf, sizeof tmpbuf, dd_flags & DD_HANDLE_PACKAGE, &len);
160 strcpy(found_name, tmpbuf);
162 printf("Found %s\n", found_name);
167 if (dd_flags & DD_HANDLE_PROTO) {
171 if (*s == '(') { /* found a prototype-ish thing */
173 s = scan_str(s, FALSE, FALSE); /* no keep_quoted, no keep_delims */
176 char *traitstart = s = skipspace(s);
178 while (*s && *s != '{') ++s;
180 int tlen = s - traitstart;
181 Newx(found_traits, tlen+1, char);
182 Copy(traitstart, found_traits, tlen, char);
183 found_traits[tlen] = 0;
185 printf("found traits..... (%s)\n", found_traits);
191 if (SvPOK(PL_lex_stuff)) {
193 printf("Found proto %s\n", SvPVX(PL_lex_stuff));
195 found_proto = SvPVX(PL_lex_stuff);
196 if (len) /* foo name () => foo name X, only foo parsed so works */
198 else /* foo () => foo =X, TOKEN('&') won't handle foo X */
205 printf("Curbuf %s\n", PL_bufptr);
215 printf("Calling init_declare\n");
217 cb_args[0] = HvNAME(stash);
218 cb_args[1] = GvNAME(kGVOP_gv);
219 cb_args[2] = HvNAME(PL_curstash);
220 cb_args[3] = found_name;
221 cb_args[4] = found_proto;
222 cb_args[5] = found_traits;
225 if (len && found_proto)
227 else if (len || found_proto)
230 PL_lex_stuff = Nullsv;
233 printf("cur buf: %s\n", s);
234 printf("bufend at: %i\n", PL_bufend - s);
235 printf("linestr: %s\n", SvPVX(PL_linestr));
236 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
239 call_argv("Devel::Declare::init_declare", G_SCALAR, cb_args);
243 if (retstr && strlen(retstr)) {
244 const char* old_start = SvPVX(PL_linestr);
246 const int old_len = SvCUR(PL_linestr);
248 printf("Got string %s\n", retstr);
250 SvGROW(PL_linestr, (STRLEN)(old_len + strlen(retstr)));
251 if (start_diff = SvPVX(PL_linestr) - old_start) {
253 printf("linestr realloc'ed, moving stuff about by %i\n", start_diff);
256 PL_linestart += start_diff;
257 PL_bufptr += start_diff;
258 PL_bufend += start_diff;
259 PL_oldbufptr += start_diff;
260 PL_oldoldbufptr += start_diff;
262 PL_last_lop += start_diff;
264 PL_last_uni += start_diff;
266 memmove(s+strlen(retstr), s, (PL_bufend - s)+1);
267 memmove(s, retstr, strlen(retstr));
268 SvCUR_set(PL_linestr, old_len + strlen(retstr));
269 PL_bufend += strlen(retstr);
271 printf("cur buf: %s\n", s);
272 printf("PL_bufptr: %s\n", PL_bufptr);
273 printf("bufend at: %i\n", PL_bufend - s);
274 printf("linestr: %s\n", SvPVX(PL_linestr));
275 printf("linestr len: %i\n", PL_bufend - SvPVX(PL_linestr));
276 printf("tokenbuf now: %s\n", PL_tokenbuf);
280 call_argv("Devel::Declare::init_declare", G_VOID|G_DISCARD, cb_args);
285 STATIC OP *dd_ck_lineseq(pTHX_ OP *o) {
288 int i, pad_inject_list_last;
290 o = dd_old_ck_lineseq(aTHX_ o);
292 pad_inject_list = get_av("Devel::Declare::next_pad_inject", FALSE);
293 if (!pad_inject_list)
296 pad_inject_list_last = av_len(pad_inject_list);
298 if (pad_inject_list_last == -1)
301 for (i = 0; i <= pad_inject_list_last; i++) {
302 to_inject_ref = av_fetch(pad_inject_list, i, FALSE);
303 if (to_inject_ref && SvPOK(*to_inject_ref)) {
305 printf("Injecting %s into pad\n", SvPVX(*to_inject_ref));
307 allocmy(SvPVX(*to_inject_ref));
311 av_clear(pad_inject_list);
316 static int initialized = 0;
318 MODULE = Devel::Declare PACKAGE = Devel::Declare
325 if (!initialized++) {
326 dd_old_ck_rv2cv = PL_check[OP_RV2CV];
327 PL_check[OP_RV2CV] = dd_ck_rv2cv;
328 dd_old_ck_lineseq = PL_check[OP_LINESEQ];
329 PL_check[OP_LINESEQ] = dd_ck_lineseq;
335 /* ensure we only uninit when number of teardown calls matches
336 number of setup calls */
337 if (initialized && !--initialized) {
338 PL_check[OP_RV2CV] = dd_old_ck_rv2cv;