1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
9 * if_perl.xs: Main code for Perl interface support.
10 * Mostly written by Sven Verdoolaege.
13 #define _memory_h /* avoid memset redeclaration */
14 #define IN_PERL_FILE /* don't include if_perl.pro from proto.h */
20 * Work around clashes between Perl and Vim namespace. proto.h doesn't
21 * include if_perl.pro and perlsfio.pro when IN_PERL_FILE is defined, because
22 * we need the CV typedef. proto.h can't be moved to after including
23 * if_perl.h, because we get all sorts of name clashes then.
27 # include "proto/if_perl.pro"
28 # include "proto/if_perlsfio.pro"
32 /* Perl compatibility stuff. This should ensure compatibility with older
37 # include <patchlevel.h>
38 # define PERL_REVISION 5
39 # define PERL_VERSION PATCHLEVEL
40 # define PERL_SUBVERSION SUBVERSION
44 * Quoting Jan Dubois of Active State:
45 * ActivePerl build 822 still identifies itself as 5.8.8 but already
46 * contains many of the changes from the upcoming Perl 5.8.9 release.
48 * The changes include addition of two symbols (Perl_sv_2iv_flags,
49 * Perl_newXS_flags) not present in earlier releases.
51 * Jan Dubois suggested the following guarding scheme.
53 * Active State defined ACTIVEPERL_VERSION as a string in versions before
54 * 5.8.8; and so the comparison to 822 below needs to be guarded.
56 #if (PERL_REVISION == 5) && (PERL_VERSION == 8) && (PERL_SUBVERSION >= 8)
57 # if (ACTIVEPERL_VERSION >= 822) || (PERL_SUBVERSION >= 9)
58 # define PERL589_OR_LATER
61 #if (PERL_REVISION == 5) && (PERL_VERSION >= 9)
62 # define PERL589_OR_LATER
74 /* Compatibility hacks over */
76 static PerlInterpreter *perl_interp = NULL;
77 static void xs_init __ARGS((pTHX));
78 static void VIM_init __ARGS((void));
79 EXTERN_C void boot_DynaLoader __ARGS((pTHX_ CV*));
82 * For dynamic linked perl. (Windows)
84 #if defined(DYNAMIC_PERL) || defined(PROTO)
88 # define perl_alloc dll_perl_alloc
89 # define perl_construct dll_perl_construct
90 # define perl_parse dll_perl_parse
91 # define perl_run dll_perl_run
92 # define perl_destruct dll_perl_destruct
93 # define perl_free dll_perl_free
94 # define Perl_get_context dll_Perl_get_context
95 # define Perl_croak dll_Perl_croak
97 # define Perl_croak_nocontext dll_Perl_croak_nocontext
98 # define Perl_call_argv dll_Perl_call_argv
99 # define Perl_call_pv dll_Perl_call_pv
100 # define Perl_eval_sv dll_Perl_eval_sv
101 # define Perl_get_sv dll_Perl_get_sv
102 # define Perl_eval_pv dll_Perl_eval_pv
103 # define Perl_call_method dll_Perl_call_method
105 # define Perl_dowantarray dll_Perl_dowantarray
106 # define Perl_free_tmps dll_Perl_free_tmps
107 # define Perl_gv_stashpv dll_Perl_gv_stashpv
108 # define Perl_markstack_grow dll_Perl_markstack_grow
109 # define Perl_mg_find dll_Perl_mg_find
110 # define Perl_newXS dll_Perl_newXS
111 # define Perl_newSV dll_Perl_newSV
112 # define Perl_newSViv dll_Perl_newSViv
113 # define Perl_newSVpv dll_Perl_newSVpv
114 # define Perl_pop_scope dll_Perl_pop_scope
115 # define Perl_push_scope dll_Perl_push_scope
116 # define Perl_save_int dll_Perl_save_int
117 # define Perl_stack_grow dll_Perl_stack_grow
118 # define Perl_set_context dll_Perl_set_context
119 # define Perl_sv_2bool dll_Perl_sv_2bool
120 # define Perl_sv_2iv dll_Perl_sv_2iv
121 # define Perl_sv_2mortal dll_Perl_sv_2mortal
122 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
123 # define Perl_sv_2pv_flags dll_Perl_sv_2pv_flags
124 # define Perl_sv_2pv_nolen dll_Perl_sv_2pv_nolen
126 # define Perl_sv_2pv dll_Perl_sv_2pv
128 # define Perl_sv_bless dll_Perl_sv_bless
129 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
130 # define Perl_sv_catpvn_flags dll_Perl_sv_catpvn_flags
132 # define Perl_sv_catpvn dll_Perl_sv_catpvn
134 #ifdef PERL589_OR_LATER
135 # define Perl_sv_2iv_flags dll_Perl_sv_2iv_flags
136 # define Perl_newXS_flags dll_Perl_newXS_flags
138 # define Perl_sv_free dll_Perl_sv_free
139 # define Perl_sv_isa dll_Perl_sv_isa
140 # define Perl_sv_magic dll_Perl_sv_magic
141 # define Perl_sv_setiv dll_Perl_sv_setiv
142 # define Perl_sv_setpv dll_Perl_sv_setpv
143 # define Perl_sv_setpvn dll_Perl_sv_setpvn
144 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
145 # define Perl_sv_setsv_flags dll_Perl_sv_setsv_flags
147 # define Perl_sv_setsv dll_Perl_sv_setsv
149 # define Perl_sv_upgrade dll_Perl_sv_upgrade
150 # define Perl_Tstack_sp_ptr dll_Perl_Tstack_sp_ptr
151 # define Perl_Top_ptr dll_Perl_Top_ptr
152 # define Perl_Tstack_base_ptr dll_Perl_Tstack_base_ptr
153 # define Perl_Tstack_max_ptr dll_Perl_Tstack_max_ptr
154 # define Perl_Ttmps_ix_ptr dll_Perl_Ttmps_ix_ptr
155 # define Perl_Ttmps_floor_ptr dll_Perl_Ttmps_floor_ptr
156 # define Perl_Tmarkstack_ptr_ptr dll_Perl_Tmarkstack_ptr_ptr
157 # define Perl_Tmarkstack_max_ptr dll_Perl_Tmarkstack_max_ptr
158 # define Perl_TSv_ptr dll_Perl_TSv_ptr
159 # define Perl_TXpv_ptr dll_Perl_TXpv_ptr
160 # define Perl_Tna_ptr dll_Perl_Tna_ptr
161 # define Perl_Idefgv_ptr dll_Perl_Idefgv_ptr
162 # define Perl_Ierrgv_ptr dll_Perl_Ierrgv_ptr
163 # define Perl_Isv_yes_ptr dll_Perl_Isv_yes_ptr
164 # define boot_DynaLoader dll_boot_DynaLoader
166 # define Perl_sys_init3 dll_Perl_sys_init3
167 # define Perl_sys_term dll_Perl_sys_term
168 # define Perl_ISv_ptr dll_Perl_ISv_ptr
169 # define Perl_Istack_max_ptr dll_Perl_Istack_max_ptr
170 # define Perl_Istack_base_ptr dll_Perl_Istack_base_ptr
171 # define Perl_Itmps_ix_ptr dll_Perl_Itmps_ix_ptr
172 # define Perl_Itmps_floor_ptr dll_Perl_Itmps_floor_ptr
173 # define Perl_IXpv_ptr dll_Perl_IXpv_ptr
174 # define Perl_Ina_ptr dll_Perl_Ina_ptr
175 # define Perl_Imarkstack_ptr_ptr dll_Perl_Imarkstack_ptr_ptr
176 # define Perl_Imarkstack_max_ptr dll_Perl_Imarkstack_max_ptr
177 # define Perl_Istack_sp_ptr dll_Perl_Istack_sp_ptr
178 # define Perl_Iop_ptr dll_Perl_Iop_ptr
179 # define Perl_call_list dll_Perl_call_list
180 # define Perl_Iscopestack_ix_ptr dll_Perl_Iscopestack_ix_ptr
181 # define Perl_Iunitcheckav_ptr dll_Perl_Iunitcheckav_ptr
183 #ifndef DYNAMIC_PERL /* just generating prototypes */
185 typedef int XSINIT_t;
186 typedef int XSUBADDR_t;
190 * Declare HANDLE for perl.dll and function pointers.
192 static HANDLE hPerlLib = NULL;
194 static PerlInterpreter* (*perl_alloc)();
195 static void (*perl_construct)(PerlInterpreter*);
196 static void (*perl_destruct)(PerlInterpreter*);
197 static void (*perl_free)(PerlInterpreter*);
198 static int (*perl_run)(PerlInterpreter*);
199 static int (*perl_parse)(PerlInterpreter*, XSINIT_t, int, char**, char**);
200 static void* (*Perl_get_context)(void);
201 static void (*Perl_croak)(pTHX_ const char*, ...);
202 static void (*Perl_croak_nocontext)(const char*, ...);
203 static I32 (*Perl_dowantarray)(pTHX);
204 static void (*Perl_free_tmps)(pTHX);
205 static HV* (*Perl_gv_stashpv)(pTHX_ const char*, I32);
206 static void (*Perl_markstack_grow)(pTHX);
207 static MAGIC* (*Perl_mg_find)(pTHX_ SV*, int);
208 static CV* (*Perl_newXS)(pTHX_ char*, XSUBADDR_t, char*);
209 static SV* (*Perl_newSV)(pTHX_ STRLEN);
210 static SV* (*Perl_newSViv)(pTHX_ IV);
211 static SV* (*Perl_newSVpv)(pTHX_ const char*, STRLEN);
212 static I32 (*Perl_call_argv)(pTHX_ const char*, I32, char**);
213 static I32 (*Perl_call_pv)(pTHX_ const char*, I32);
214 static I32 (*Perl_eval_sv)(pTHX_ SV*, I32);
215 static SV* (*Perl_get_sv)(pTHX_ const char*, I32);
216 static SV* (*Perl_eval_pv)(pTHX_ const char*, I32);
217 static SV* (*Perl_call_method)(pTHX_ const char*, I32);
218 static void (*Perl_pop_scope)(pTHX);
219 static void (*Perl_push_scope)(pTHX);
220 static void (*Perl_save_int)(pTHX_ int*);
221 static SV** (*Perl_stack_grow)(pTHX_ SV**, SV**p, int);
222 static SV** (*Perl_set_context)(void*);
223 static bool (*Perl_sv_2bool)(pTHX_ SV*);
224 static IV (*Perl_sv_2iv)(pTHX_ SV*);
225 static SV* (*Perl_sv_2mortal)(pTHX_ SV*);
226 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
227 static char* (*Perl_sv_2pv_flags)(pTHX_ SV*, STRLEN*, I32);
228 static char* (*Perl_sv_2pv_nolen)(pTHX_ SV*);
230 static char* (*Perl_sv_2pv)(pTHX_ SV*, STRLEN*);
232 static SV* (*Perl_sv_bless)(pTHX_ SV*, HV*);
233 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
234 static void (*Perl_sv_catpvn_flags)(pTHX_ SV* , const char*, STRLEN, I32);
236 static void (*Perl_sv_catpvn)(pTHX_ SV*, const char*, STRLEN);
238 #ifdef PERL589_OR_LATER
239 static IV (*Perl_sv_2iv_flags)(pTHX_ SV* sv, I32 flags);
240 static CV * (*Perl_newXS_flags)(pTHX_ const char *name, XSUBADDR_t subaddr, const char *const filename, const char *const proto, U32 flags);
242 static void (*Perl_sv_free)(pTHX_ SV*);
243 static int (*Perl_sv_isa)(pTHX_ SV*, const char*);
244 static void (*Perl_sv_magic)(pTHX_ SV*, SV*, int, const char*, I32);
245 static void (*Perl_sv_setiv)(pTHX_ SV*, IV);
246 static void (*Perl_sv_setpv)(pTHX_ SV*, const char*);
247 static void (*Perl_sv_setpvn)(pTHX_ SV*, const char*, STRLEN);
248 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
249 static void (*Perl_sv_setsv_flags)(pTHX_ SV*, SV*, I32);
251 static void (*Perl_sv_setsv)(pTHX_ SV*, SV*);
253 static bool (*Perl_sv_upgrade)(pTHX_ SV*, U32);
254 static SV*** (*Perl_Tstack_sp_ptr)(register PerlInterpreter*);
255 static OP** (*Perl_Top_ptr)(register PerlInterpreter*);
256 static SV*** (*Perl_Tstack_base_ptr)(register PerlInterpreter*);
257 static SV*** (*Perl_Tstack_max_ptr)(register PerlInterpreter*);
258 static I32* (*Perl_Ttmps_ix_ptr)(register PerlInterpreter*);
259 static I32* (*Perl_Ttmps_floor_ptr)(register PerlInterpreter*);
260 static I32** (*Perl_Tmarkstack_ptr_ptr)(register PerlInterpreter*);
261 static I32** (*Perl_Tmarkstack_max_ptr)(register PerlInterpreter*);
262 static SV** (*Perl_TSv_ptr)(register PerlInterpreter*);
263 static XPV** (*Perl_TXpv_ptr)(register PerlInterpreter*);
264 static STRLEN* (*Perl_Tna_ptr)(register PerlInterpreter*);
265 static GV** (*Perl_Idefgv_ptr)(register PerlInterpreter*);
266 static GV** (*Perl_Ierrgv_ptr)(register PerlInterpreter*);
267 static SV* (*Perl_Isv_yes_ptr)(register PerlInterpreter*);
268 static void (*boot_DynaLoader)_((pTHX_ CV*));
270 #if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
271 static void (*Perl_sys_init3)(int* argc, char*** argv, char*** env);
272 static void (*Perl_sys_term)(void);
273 static SV** (*Perl_ISv_ptr)(register PerlInterpreter*);
274 static SV*** (*Perl_Istack_max_ptr)(register PerlInterpreter*);
275 static SV*** (*Perl_Istack_base_ptr)(register PerlInterpreter*);
276 static XPV** (*Perl_IXpv_ptr)(register PerlInterpreter*);
277 static I32* (*Perl_Itmps_ix_ptr)(register PerlInterpreter*);
278 static I32* (*Perl_Itmps_floor_ptr)(register PerlInterpreter*);
279 static STRLEN* (*Perl_Ina_ptr)(register PerlInterpreter*);
280 static I32** (*Perl_Imarkstack_ptr_ptr)(register PerlInterpreter*);
281 static I32** (*Perl_Imarkstack_max_ptr)(register PerlInterpreter*);
282 static SV*** (*Perl_Istack_sp_ptr)(register PerlInterpreter*);
283 static OP** (*Perl_Iop_ptr)(register PerlInterpreter*);
284 static void (*Perl_call_list)(pTHX_ I32, AV*);
285 static I32* (*Perl_Iscopestack_ix_ptr)(register PerlInterpreter*);
286 static AV** (*Perl_Iunitcheckav_ptr)(register PerlInterpreter*);
290 * Table of name to function pointer of perl.
292 #define PERL_PROC FARPROC
296 } perl_funcname_table[] = {
297 {"perl_alloc", (PERL_PROC*)&perl_alloc},
298 {"perl_construct", (PERL_PROC*)&perl_construct},
299 {"perl_destruct", (PERL_PROC*)&perl_destruct},
300 {"perl_free", (PERL_PROC*)&perl_free},
301 {"perl_run", (PERL_PROC*)&perl_run},
302 {"perl_parse", (PERL_PROC*)&perl_parse},
303 {"Perl_get_context", (PERL_PROC*)&Perl_get_context},
304 {"Perl_croak", (PERL_PROC*)&Perl_croak},
305 {"Perl_croak_nocontext", (PERL_PROC*)&Perl_croak_nocontext},
306 {"Perl_dowantarray", (PERL_PROC*)&Perl_dowantarray},
307 {"Perl_free_tmps", (PERL_PROC*)&Perl_free_tmps},
308 {"Perl_gv_stashpv", (PERL_PROC*)&Perl_gv_stashpv},
309 {"Perl_markstack_grow", (PERL_PROC*)&Perl_markstack_grow},
310 {"Perl_mg_find", (PERL_PROC*)&Perl_mg_find},
311 {"Perl_newXS", (PERL_PROC*)&Perl_newXS},
312 {"Perl_newSV", (PERL_PROC*)&Perl_newSV},
313 {"Perl_newSViv", (PERL_PROC*)&Perl_newSViv},
314 {"Perl_newSVpv", (PERL_PROC*)&Perl_newSVpv},
315 {"Perl_call_argv", (PERL_PROC*)&Perl_call_argv},
316 {"Perl_call_pv", (PERL_PROC*)&Perl_call_pv},
317 {"Perl_eval_sv", (PERL_PROC*)&Perl_eval_sv},
318 {"Perl_get_sv", (PERL_PROC*)&Perl_get_sv},
319 {"Perl_eval_pv", (PERL_PROC*)&Perl_eval_pv},
320 {"Perl_call_method", (PERL_PROC*)&Perl_call_method},
321 {"Perl_pop_scope", (PERL_PROC*)&Perl_pop_scope},
322 {"Perl_push_scope", (PERL_PROC*)&Perl_push_scope},
323 {"Perl_save_int", (PERL_PROC*)&Perl_save_int},
324 {"Perl_stack_grow", (PERL_PROC*)&Perl_stack_grow},
325 {"Perl_set_context", (PERL_PROC*)&Perl_set_context},
326 {"Perl_sv_2bool", (PERL_PROC*)&Perl_sv_2bool},
327 {"Perl_sv_2iv", (PERL_PROC*)&Perl_sv_2iv},
328 {"Perl_sv_2mortal", (PERL_PROC*)&Perl_sv_2mortal},
329 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
330 {"Perl_sv_2pv_flags", (PERL_PROC*)&Perl_sv_2pv_flags},
331 {"Perl_sv_2pv_nolen", (PERL_PROC*)&Perl_sv_2pv_nolen},
333 {"Perl_sv_2pv", (PERL_PROC*)&Perl_sv_2pv},
335 #ifdef PERL589_OR_LATER
336 {"Perl_sv_2iv_flags", (PERL_PROC*)&Perl_sv_2iv_flags},
337 {"Perl_newXS_flags", (PERL_PROC*)&Perl_newXS_flags},
339 {"Perl_sv_bless", (PERL_PROC*)&Perl_sv_bless},
340 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
341 {"Perl_sv_catpvn_flags", (PERL_PROC*)&Perl_sv_catpvn_flags},
343 {"Perl_sv_catpvn", (PERL_PROC*)&Perl_sv_catpvn},
345 {"Perl_sv_free", (PERL_PROC*)&Perl_sv_free},
346 {"Perl_sv_isa", (PERL_PROC*)&Perl_sv_isa},
347 {"Perl_sv_magic", (PERL_PROC*)&Perl_sv_magic},
348 {"Perl_sv_setiv", (PERL_PROC*)&Perl_sv_setiv},
349 {"Perl_sv_setpv", (PERL_PROC*)&Perl_sv_setpv},
350 {"Perl_sv_setpvn", (PERL_PROC*)&Perl_sv_setpvn},
351 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
352 {"Perl_sv_setsv_flags", (PERL_PROC*)&Perl_sv_setsv_flags},
354 {"Perl_sv_setsv", (PERL_PROC*)&Perl_sv_setsv},
356 {"Perl_sv_upgrade", (PERL_PROC*)&Perl_sv_upgrade},
357 #if (PERL_REVISION == 5) && (PERL_VERSION < 10)
358 {"Perl_Tstack_sp_ptr", (PERL_PROC*)&Perl_Tstack_sp_ptr},
359 {"Perl_Top_ptr", (PERL_PROC*)&Perl_Top_ptr},
360 {"Perl_Tstack_base_ptr", (PERL_PROC*)&Perl_Tstack_base_ptr},
361 {"Perl_Tstack_max_ptr", (PERL_PROC*)&Perl_Tstack_max_ptr},
362 {"Perl_Ttmps_ix_ptr", (PERL_PROC*)&Perl_Ttmps_ix_ptr},
363 {"Perl_Ttmps_floor_ptr", (PERL_PROC*)&Perl_Ttmps_floor_ptr},
364 {"Perl_Tmarkstack_ptr_ptr", (PERL_PROC*)&Perl_Tmarkstack_ptr_ptr},
365 {"Perl_Tmarkstack_max_ptr", (PERL_PROC*)&Perl_Tmarkstack_max_ptr},
366 {"Perl_TSv_ptr", (PERL_PROC*)&Perl_TSv_ptr},
367 {"Perl_TXpv_ptr", (PERL_PROC*)&Perl_TXpv_ptr},
368 {"Perl_Tna_ptr", (PERL_PROC*)&Perl_Tna_ptr},
370 {"Perl_sys_init3", (PERL_PROC*)&Perl_sys_init3},
371 {"Perl_sys_term", (PERL_PROC*)&Perl_sys_term},
372 {"Perl_ISv_ptr", (PERL_PROC*)&Perl_ISv_ptr},
373 {"Perl_Istack_sp_ptr", (PERL_PROC*)&Perl_Istack_sp_ptr},
374 {"Perl_Iop_ptr", (PERL_PROC*)&Perl_Iop_ptr},
375 {"Perl_Istack_base_ptr", (PERL_PROC*)&Perl_Istack_base_ptr},
376 {"Perl_Istack_max_ptr", (PERL_PROC*)&Perl_Istack_max_ptr},
377 {"Perl_Itmps_ix_ptr", (PERL_PROC*)&Perl_Itmps_ix_ptr},
378 {"Perl_Itmps_floor_ptr", (PERL_PROC*)&Perl_Itmps_floor_ptr},
379 {"Perl_Imarkstack_ptr_ptr", (PERL_PROC*)&Perl_Imarkstack_ptr_ptr},
380 {"Perl_Imarkstack_max_ptr", (PERL_PROC*)&Perl_Imarkstack_max_ptr},
381 {"Perl_ISv_ptr", (PERL_PROC*)&Perl_ISv_ptr},
382 {"Perl_IXpv_ptr", (PERL_PROC*)&Perl_IXpv_ptr},
383 {"Perl_Ina_ptr", (PERL_PROC*)&Perl_Ina_ptr},
384 {"Perl_call_list", (PERL_PROC*)&Perl_call_list},
385 {"Perl_Iscopestack_ix_ptr", (PERL_PROC*)&Perl_Iscopestack_ix_ptr},
386 {"Perl_Iunitcheckav_ptr", (PERL_PROC*)&Perl_Iunitcheckav_ptr},
388 {"Perl_Idefgv_ptr", (PERL_PROC*)&Perl_Idefgv_ptr},
389 {"Perl_Ierrgv_ptr", (PERL_PROC*)&Perl_Ierrgv_ptr},
390 {"Perl_Isv_yes_ptr", (PERL_PROC*)&Perl_Isv_yes_ptr},
391 {"boot_DynaLoader", (PERL_PROC*)&boot_DynaLoader},
396 * Make all runtime-links of perl.
398 * 1. Get module handle using LoadLibraryEx.
399 * 2. Get pointer to perl function by GetProcAddress.
400 * 3. Repeat 2, until get all functions will be used.
402 * Parameter 'libname' provides name of DLL.
406 perl_runtime_link_init(char *libname, int verbose)
410 if (hPerlLib != NULL)
412 if (!(hPerlLib = LoadLibraryEx(libname, NULL, 0)))
415 EMSG2(_("E370: Could not load library %s"), libname);
418 for (i = 0; perl_funcname_table[i].ptr; ++i)
420 if (!(*perl_funcname_table[i].ptr = GetProcAddress(hPerlLib,
421 perl_funcname_table[i].name)))
423 FreeLibrary(hPerlLib);
426 EMSG2(_(e_loadfunc), perl_funcname_table[i].name);
434 * If runtime-link-perl(DLL) was loaded successfully, return TRUE.
435 * There were no DLL loaded, return FALSE.
438 perl_enabled(verbose)
441 return perl_runtime_link_init(DYNAMIC_PERL_DLL, verbose) == OK;
443 #endif /* DYNAMIC_PERL */
446 * perl_init(): initialize perl interpreter
447 * We have to call perl_parse to initialize some structures,
448 * there's nothing to actually parse.
453 char *bootargs[] = { "VI", NULL };
455 static char *argv[] = { "", "-e", "" };
457 #if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
458 Perl_sys_init3(&argc, (char***)&argv, NULL);
460 perl_interp = perl_alloc();
461 perl_construct(perl_interp);
462 perl_parse(perl_interp, xs_init, argc, argv, 0);
463 perl_call_argv("VIM::bootstrap", (long)G_DISCARD, bootargs);
466 sfdisc(PerlIO_stdout(), sfdcnewvim());
467 sfdisc(PerlIO_stderr(), sfdcnewvim());
468 sfsetbuf(PerlIO_stdout(), NULL, 0);
469 sfsetbuf(PerlIO_stderr(), NULL, 0);
474 * perl_end(): clean up after ourselves
481 perl_run(perl_interp);
482 perl_destruct(perl_interp);
483 perl_free(perl_interp);
485 #if (PERL_REVISION == 5) && (PERL_VERSION >= 10)
492 FreeLibrary(hPerlLib);
499 * msg_split(): send a message to the message handling routines
500 * split at '\n' first though.
505 int attr; /* highlighting attributes */
508 char *token = (char *)s;
510 while ((next = strchr(token, '\n')) && !got_int)
512 *next++ = '\0'; /* replace \n with \0 */
513 msg_attr((char_u *)token, attr);
516 if (*token && !got_int)
517 msg_attr((char_u *)token, attr);
522 * This stub is needed because an "#ifdef FEAT_EVAL" around Eval() doesn't
526 eval_to_string(arg, nextcmd, dolist)
536 * Create a new reference to an SV pointing to the SCR structure
537 * The b_perl_private/w_perl_private part of the SCR structure points to the
538 * SV, so there can only be one such SV for a particular SCR structure. When
539 * the last reference has gone (DESTROY is called),
540 * b_perl_private/w_perl_private is reset; When the screen goes away before
541 * all references are gone, the value of the SV is reset;
542 * any subsequent use of any of those reference will produce
543 * a warning. (see typemap)
551 sv_upgrade(rv, SVt_RV);
552 if (ptr->w_perl_private == NULL)
554 ptr->w_perl_private = newSV(0);
555 sv_setiv(ptr->w_perl_private, (IV)ptr);
558 SvREFCNT_inc(ptr->w_perl_private);
559 SvRV(rv) = ptr->w_perl_private;
561 return sv_bless(rv, gv_stashpv("VIWIN", TRUE));
569 sv_upgrade(rv, SVt_RV);
570 if (ptr->b_perl_private == NULL)
572 ptr->b_perl_private = newSV(0);
573 sv_setiv(ptr->b_perl_private, (IV)ptr);
576 SvREFCNT_inc(ptr->b_perl_private);
577 SvRV(rv) = ptr->b_perl_private;
579 return sv_bless(rv, gv_stashpv("VIBUF", TRUE));
584 * Remove all refences to the window to be destroyed
590 if (wp->w_perl_private)
591 sv_setiv((SV *)wp->w_perl_private, 0);
599 if (bp->b_perl_private)
600 sv_setiv((SV *)bp->b_perl_private, 0);
605 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
606 I32 cur_val(pTHX_ IV iv, SV *sv);
608 I32 cur_val(IV iv, SV *sv);
612 * Handler for the magic variables $main::curwin and $main::curbuf.
613 * The handler is put into the magic vtbl for these variables.
614 * (This is effectively a C-level equivalent of a tied variable).
615 * There is no "set" function as the variables are read-only.
617 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
618 I32 cur_val(pTHX_ IV iv, SV *sv)
620 I32 cur_val(IV iv, SV *sv)
625 rv = newWINrv(newSV(0), curwin);
627 rv = newBUFrv(newSV(0), curbuf);
633 struct ufuncs cw_funcs = { cur_val, 0, 0 };
634 struct ufuncs cb_funcs = { cur_val, 0, 1 };
637 * VIM_init(): Vim-specific initialisation.
638 * Make the magical main::curwin and main::curbuf variables
643 static char cw[] = "main::curwin";
644 static char cb[] = "main::curbuf";
647 sv = perl_get_sv(cw, TRUE);
648 sv_magic(sv, NULL, 'U', (char *)&cw_funcs, sizeof(cw_funcs));
651 sv = perl_get_sv(cb, TRUE);
652 sv_magic(sv, NULL, 'U', (char *)&cb_funcs, sizeof(cb_funcs));
656 * Setup the Safe compartment.
657 * It shouldn't be a fatal error if the Safe module is missing.
658 * XXX: Only shares the 'Msg' routine (which has to be called
661 (void)perl_eval_pv( "if ( eval( 'require Safe' ) ) { $VIM::safe = Safe->new(); $VIM::safe->share_from( 'VIM', ['Msg'] ); }", G_DISCARD | G_VOID );
666 static char *e_noperl = N_("Sorry, this command is disabled: the Perl library could not be loaded.");
682 script = (char *)script_get(eap, eap->arg);
689 if (perl_interp == NULL)
692 if (!perl_enabled(TRUE))
708 sv = newSVpv((char *)eap->arg, 0);
711 sv = newSVpv(script, 0);
718 if ((safe = perl_get_sv( "VIM::safe", FALSE )) == NULL || !SvTRUE(safe))
719 EMSG(_("E299: Perl evaluation forbidden in sandbox without the Safe module"));
726 perl_call_method("reval", G_DISCARD);
731 perl_eval_sv(sv, G_DISCARD | G_NOARGS);
735 err = SvPV(GvSV(PL_errgv), length);
743 msg_split((char_u *)err, highlight_attr[HLF_E]);
749 replace_line(line, end)
750 linenr_T *line, *end;
754 if (SvOK(GvSV(PL_defgv)))
756 str = SvPV(GvSV(PL_defgv), PL_na);
757 ml_replace(*line, (char_u *)str, 1);
758 changed_bytes(*line, 0);
762 ml_delete(*line, FALSE);
763 deleted_lines_mark(*line, 1L);
785 if (perl_interp == NULL)
788 if (!perl_enabled(TRUE))
798 length = strlen((char *)eap->arg);
799 sv = newSV(length + sizeof("sub VIM::perldo {") - 1 + 1);
800 sv_setpvn(sv, "sub VIM::perldo {", sizeof("sub VIM::perldo {") - 1);
801 sv_catpvn(sv, (char *)eap->arg, length);
802 sv_catpvn(sv, "}", 1);
803 perl_eval_sv(sv, G_DISCARD | G_NOARGS);
805 str = SvPV(GvSV(PL_errgv), length);
809 if (u_save(eap->line1 - 1, eap->line2 + 1) != OK)
814 for (i = eap->line1; i <= eap->line2; i++)
816 sv_setpv(GvSV(PL_defgv), (char *)ml_get(i));
818 perl_call_pv("VIM::perldo", G_SCALAR | G_EVAL);
819 str = SvPV(GvSV(PL_errgv), length);
825 if (replace_line(&i, &eap->line2) != OK)
836 update_screen(NOT_VALID);
841 msg_split((char_u *)str, highlight_attr[HLF_E]);
847 int win_valid(win_T *w) { return TRUE; }
848 int win_count() { return 1; }
849 win_T *win_find_nr(int n) { return curwin; }
853 XS(XS_VIM_SetOption);
854 XS(XS_VIM_DoCommand);
858 XS(XS_VIWIN_DESTROY);
860 XS(XS_VIWIN_SetHeight);
862 XS(XS_VIBUF_DESTROY);
875 char *file = __FILE__;
877 /* DynaLoader is a special case */
878 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
879 newXS("VIM::bootstrap", boot_VIM, file);
882 typedef win_T * VIWIN;
883 typedef buf_T * VIBUF;
885 MODULE = VIM PACKAGE = VIM
902 id = syn_name2id((char_u *)hl);
904 attr = syn_id2attr(id);
906 msg_split((char_u *)text, attr);
915 do_set((char_u *)line, 0);
916 update_screen(NOT_VALID);
924 do_cmdline_cmd((char_u *)line);
933 value = eval_to_string((char_u *)str, (char_u **)0, TRUE);
936 XPUSHs(sv_2mortal(newSViv(0)));
937 XPUSHs(sv_2mortal(newSVpv("", 0)));
941 XPUSHs(sv_2mortal(newSViv(1)));
942 XPUSHs(sv_2mortal(newSVpv((char *)value, 0)));
956 if (GIMME == G_SCALAR)
959 for (vimbuf = firstbuf; vimbuf; vimbuf = vimbuf->b_next)
962 XPUSHs(sv_2mortal(newSViv(i)));
966 for (vimbuf = firstbuf; vimbuf; vimbuf = vimbuf->b_next)
967 XPUSHs(newBUFrv(newSV(0), vimbuf));
972 for (i = 0; i < items; i++)
982 pat = (char_u *)SvPV(sv, len);
984 b = buflist_findpat(pat, pat+len, FALSE, FALSE);
990 vimbuf = buflist_findnr(b);
992 XPUSHs(newBUFrv(newSV(0), vimbuf));
1007 if (GIMME == G_SCALAR)
1008 XPUSHs(sv_2mortal(newSViv(win_count())));
1011 for (vimwin = firstwin; vimwin != NULL; vimwin = W_NEXT(vimwin))
1012 XPUSHs(newWINrv(newSV(0), vimwin));
1017 for (i = 0; i < items; i++)
1020 vimwin = win_find_nr(w);
1022 XPUSHs(newWINrv(newSV(0), vimwin));
1026 MODULE = VIM PACKAGE = VIWIN
1034 win->w_perl_private = 0;
1041 if (!win_valid(win))
1043 RETVAL = newBUFrv(newSV(0), win->w_buffer);
1048 SetHeight(win, height)
1056 if (!win_valid(win))
1060 win_setheight(height);
1071 if (!win_valid(win))
1073 PUSHs(sv_2mortal(newSViv(win->w_cursor.lnum)));
1074 PUSHs(sv_2mortal(newSViv(win->w_cursor.col)));
1080 if (!win_valid(win))
1084 win->w_cursor.lnum = lnum;
1085 win->w_cursor.col = col;
1086 check_cursor(); /* put cursor on an existing line */
1087 update_screen(NOT_VALID);
1090 MODULE = VIM PACKAGE = VIBUF
1097 if (buf_valid(vimbuf))
1098 vimbuf->b_perl_private = 0;
1105 if (!buf_valid(vimbuf))
1107 /* No file name returns an empty string */
1108 if (vimbuf->b_fname == NULL)
1109 XPUSHs(sv_2mortal(newSVpv("", 0)));
1111 XPUSHs(sv_2mortal(newSVpv((char *)vimbuf->b_fname, 0)));
1118 if (!buf_valid(vimbuf))
1120 XPUSHs(sv_2mortal(newSViv(vimbuf->b_fnum)));
1127 if (!buf_valid(vimbuf))
1129 XPUSHs(sv_2mortal(newSViv(vimbuf->b_ml.ml_line_count)));
1140 if (buf_valid(vimbuf))
1142 for (i = 1; i < items; i++)
1145 if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count)
1147 line = ml_get_buf(vimbuf, lnum, FALSE);
1148 XPUSHs(sv_2mortal(newSVpv((char *)line, 0)));
1162 if (buf_valid(vimbuf))
1165 croak("Usage: VIBUF::Set(vimbuf, lnum, @lines)");
1168 for(i = 2; i < items; i++, lnum++)
1170 line = SvPV(ST(i),PL_na);
1171 if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count && line != NULL)
1175 /* set curwin/curbuf for "vimbuf" and save some things */
1176 aucmd_prepbuf(&aco, vimbuf);
1178 if (u_savesub(lnum) == OK)
1180 ml_replace(lnum, (char_u *)line, TRUE);
1181 changed_bytes(lnum, 0);
1184 /* restore curwin/curbuf and a few other things */
1185 aucmd_restbuf(&aco);
1186 /* Careful: autocommands may have made "vimbuf" invalid! */
1196 long i, lnum = 0, count = 0;
1198 if (buf_valid(vimbuf))
1205 else if (items == 3)
1208 count = 1 + SvIV(ST(2)) - lnum;
1219 for (i = 0; i < count; i++)
1221 if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count)
1225 /* set curwin/curbuf for "vimbuf" and save some things */
1226 aucmd_prepbuf(&aco, vimbuf);
1228 if (u_savedel(lnum, 1) == OK)
1231 deleted_lines_mark(lnum, 1L);
1232 if (aco.save_buf == curbuf)
1236 /* restore curwin/curbuf and a few other things */
1237 aucmd_restbuf(&aco);
1238 /* Careful: autocommands may have made "vimbuf" invalid! */
1240 update_curbuf(VALID);
1255 if (buf_valid(vimbuf))
1258 croak("Usage: VIBUF::Append(vimbuf, lnum, @lines)");
1261 for (i = 2; i < items; i++, lnum++)
1263 line = SvPV(ST(i),PL_na);
1264 if (lnum >= 0 && lnum <= vimbuf->b_ml.ml_line_count && line != NULL)
1268 /* set curwin/curbuf for "vimbuf" and save some things */
1269 aucmd_prepbuf(&aco, vimbuf);
1271 if (u_inssub(lnum + 1) == OK)
1273 ml_append(lnum, (char_u *)line, (colnr_T)0, FALSE);
1274 appended_lines_mark(lnum, 1L);
1277 /* restore curwin/curbuf and a few other things */
1278 aucmd_restbuf(&aco);
1279 /* Careful: autocommands may have made "vimbuf" invalid! */
1281 update_curbuf(VALID);