static int (*next_keyword_plugin)(pTHX_ char *, STRLEN, OP **);
-static int kw_flags(pTHX_ const char *kw_ptr, STRLEN kw_len, KWSpec *spec) {
+DEFSTRUCT(Resource) {
+ Resource *next;
+ void *data;
+ void (*destroy)(pTHX_ void *);
+};
+
+typedef Resource *Sentinel[1];
+
+static void sentinel_clear_void(pTHX_ void *p) {
+ Resource **pp = p;
+ while (*pp) {
+ Resource *cur = *pp;
+ cur->destroy(aTHX_ cur->data);
+ cur->data = (void *)"no";
+ cur->destroy = NULL;
+ *pp = cur->next;
+ Safefree(cur);
+ }
+}
+
+static void sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ void *)) {
+ Resource *cur;
+
+ Newx(cur, 1, Resource);
+ cur->data = data;
+ cur->destroy = destroy;
+ cur->next = *sen;
+ *sen = cur;
+}
+
+static void my_sv_refcnt_dec_void(pTHX_ void *p) {
+ SV *sv = p;
+ SvREFCNT_dec(sv);
+}
+
+static SV *sentinel_mortalize(Sentinel sen, SV *sv) {
+ sentinel_register(sen, sv, my_sv_refcnt_dec_void);
+ return sv;
+}
+
+static void my_safefree(void *p) {
+ Safefree(p);
+}
+
+#define SENTINEL_ALLOC(SEN, P, N, T) STMT_START { \
+ Newx(P, N, T); \
+ sentinel_register(SEN, P, my_safefree); \
+} STMT_END
+
+#define SENTINEL_MDUP(SEN, P, O, N, T) STMT_START { \
+ void *const _sentinel_mdup_tmp_ = (P); \
+ SENTINEL_ALLOC(SEN, P, N, T); \
+ memcpy(P, _sentinel_mdup_tmp_, O * sizeof (T)); \
+} STMT_END
+
+#define SENTINEL_REALLOC(SEN, P, N, T) STMT_START { \
+ assert((N) > 0); \
+ if (!(P)) { \
+ SENTINEL_ALLOC(SEN, P, N, T); \
+ } else { \
+ Resource **_sentinel_realloc_tmp_ = (SEN); \
+ for (;;) { \
+ assert(*_sentinel_realloc_tmp_ != NULL); \
+ if ((*_sentinel_realloc_tmp_)->data == (P)) { \
+ Renew((*_sentinel_realloc_tmp_)->data, N, T); \
+ (P) = (*_sentinel_realloc_tmp_)->data; \
+ break; \
+ } \
+ _sentinel_realloc_tmp_ = &(*_sentinel_realloc_tmp_)->next; \
+ } \
+ } \
+} STMT_END
+
+static int kw_flags(pTHX_ Sentinel sen, const char *kw_ptr, STRLEN kw_len, KWSpec *spec) {
HV *hints;
SV *sv, **psv;
const char *p, *kw_active;
STRLEN kw_active_len;
spec->flags = 0;
- spec->shift = sv_2mortal(newSVpvs(""));
- spec->attrs = sv_2mortal(newSVpvs(""));
+ spec->shift = sentinel_mortalize(sen, newSVpvs(""));
+ spec->attrs = sentinel_mortalize(sen, newSVpvs(""));
if (!(hints = GvHV(PL_hintgv))) {
return FALSE;
const char *fk_ptr_; \
STRLEN fk_len_; \
SV *fk_sv_; \
- fk_sv_ = sv_2mortal(newSVpvs(HINTK_ ## NAME)); \
+ fk_sv_ = sentinel_mortalize(sen, newSVpvs(HINTK_ ## NAME)); \
sv_catpvn(fk_sv_, PTR, LEN); \
fk_ptr_ = SvPV(fk_sv_, fk_len_); \
if (!((X) = hv_fetch(hints, fk_ptr_, fk_len_, 0))) { \
return is_utf8_xidcont(tmpbuf);
}
-static SV *my_scan_word(pTHX_ bool allow_package) {
+static SV *my_scan_word(pTHX_ Sentinel sen, bool allow_package) {
bool at_start, at_substart;
I32 c;
- SV *sv = sv_2mortal(newSVpvs(""));
+ SV *sv = sentinel_mortalize(sen, newSVpvs(""));
if (lex_bufutf8()) {
SvUTF8_on(sv);
}
return SvCUR(sv) ? sv : NULL;
}
-static SV *my_scan_parens_tail(pTHX_ bool keep_backslash) {
+static SV *my_scan_parens_tail(pTHX_ Sentinel sen, bool keep_backslash) {
I32 c, nesting;
SV *sv;
line_t start;
start = CopLINE(PL_curcop);
- sv = sv_2mortal(newSVpvs(""));
+ sv = sentinel_mortalize(sen, newSVpvs(""));
if (lex_bufutf8()) {
SvUTF8_on(sv);
}
return sv;
}
-static void my_check_prototype(pTHX_ const SV *declarator, SV *proto) {
+static void my_check_prototype(pTHX_ Sentinel sen, const SV *declarator, SV *proto) {
char *start, *r, *w, *end;
STRLEN len;
/* check for bad characters */
if (strspn(start, "$@%*;[]&\\_+") != len) {
- SV *dsv = newSVpvs_flags("", SVs_TEMP);
+ SV *dsv = sentinel_mortalize(sen, newSVpvs(""));
warner(
packWARN(WARN_ILLEGALPROTO),
"Illegal character in prototype for %"SVf" : %s",
VEC(Param) named_required;
VEC(ParamInit) named_optional;
Param slurpy;
+ PADOFFSET rest_hash;
};
DEFVECTOR_INIT(pv_init, Param);
pv_init(&ps->named_required);
piv_init(&ps->named_optional);
p_init(&ps->slurpy);
+ ps->rest_hash = NOT_IN_PAD;
}
#define DEFVECTOR_EXTEND(N, B) static B (*N(VEC(B) *p)) { \
*/
static PADOFFSET parse_param(
pTHX_
+ Sentinel sen,
const SV *declarator, const KWSpec *spec, ParamSpec *param_spec,
int *pflags, SV **pname, OP **pinit
) {
lex_read_unichar(0);
lex_read_space(0);
- if (!(name = my_scan_word(aTHX_ FALSE))) {
+ if (!(name = my_scan_word(aTHX_ sen, FALSE))) {
croak("In %"SVf": missing identifier after '%c'", SVfARG(declarator), sigil);
}
sv_insert(name, 0, 0, &sigil, 1);
return my_var_g(aTHX_ OP_PADSV, flags, padoff);
}
-static SV *mkbits1(pTHX_ size_t n) {
- size_t bytes = n / 8, bits = n % 8;
- SV *sv = newSV(bytes + !!bits);
- char *p = SvPVX(sv), *q = p;
- while (bytes--) {
- *p++ = '\xff';
+static OP *mkhvelem(pTHX_ PADOFFSET h, OP *k) {
+ OP *hv = my_var_g(aTHX_ OP_PADHV, OPf_REF, h);
+ return newBINOP(OP_HELEM, 0, hv, k);
+}
+
+static OP *mkconstsv(pTHX_ SV *sv) {
+ return newSVOP(OP_CONST, 0, sv);
+}
+
+static OP *mkconstiv(pTHX_ IV i) {
+ return mkconstsv(aTHX_ newSViv(i));
+}
+
+static OP *mkconstpv(pTHX_ const char *p, size_t n) {
+ return mkconstsv(aTHX_ newSVpv(p, n));
+}
+
+#define mkconstpvs(S) mkconstpv(aTHX_ "" S "", sizeof S - 1)
+
+static void register_info(pTHX_ UV key, SV *declarator, const KWSpec *kws, const ParamSpec *ps) {
+ dSP;
+
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK(SP);
+ EXTEND(SP, 8);
+
+ /* 0 */ {
+ mPUSHu(key);
}
- if (bits) {
- *p++ = (1u << bits) - 1;
+ /* 1 */ {
+ size_t n;
+ char *p = SvPV(declarator, n);
+ char *q = memchr(p, ' ', n);
+ mPUSHp(p, q ? q - p : n);
}
- *p = '\0';
- SvCUR_set(sv, p - q);
- SvPOK_on(sv);
- return sv;
-}
+ if (!ps) {
+ if (SvTRUE(kws->shift)) {
+ PUSHs(kws->shift);
+ } else {
+ PUSHmortal;
+ }
+ mPUSHs(newRV_noinc((SV *)newAV()));
+ mPUSHs(newRV_noinc((SV *)newAV()));
+ mPUSHs(newRV_noinc((SV *)newAV()));
+ mPUSHs(newRV_noinc((SV *)newAV()));
+ mPUSHp("@_", 2);
+ } else {
+ /* 2 */ {
+ if (ps->invocant.name) {
+ PUSHs(ps->invocant.name);
+ } else {
+ PUSHmortal;
+ }
+ }
+ /* 3 */ {
+ size_t i, lim;
+ AV *av;
+
+ lim = ps->positional_required.used;
-static OP *mkvecbits(pTHX_ PADOFFSET padoff, size_t i) {
- OP *first, *mid, *last, *vec;
+ av = newAV();
+ if (lim) {
+ av_extend(av, lim - 1);
+ for (i = 0; i < lim; i++) {
+ av_push(av, SvREFCNT_inc_simple_NN(ps->positional_required.data[i].name));
+ }
+ }
+
+ mPUSHs(newRV_noinc((SV *)av));
+ }
+ /* 4 */ {
+ size_t i, lim;
+ AV *av;
- last = newSVOP(OP_CONST, 0, newSViv(1));
- first = last;
+ lim = ps->positional_optional.used;
- mid = newSVOP(OP_CONST, 0, newSViv(i));
- mid->op_sibling = first;
- first = mid;
+ av = newAV();
+ if (lim) {
+ av_extend(av, lim - 1);
+ for (i = 0; i < lim; i++) {
+ av_push(av, SvREFCNT_inc_simple_NN(ps->positional_optional.data[i].param.name));
+ }
+ }
- mid = my_var(aTHX_ 0, padoff);
- mid->op_sibling = first;
+ mPUSHs(newRV_noinc((SV *)av));
+ }
+ /* 5 */ {
+ size_t i, lim;
+ AV *av;
- first = newOP(OP_PUSHMARK, 0);
+ lim = ps->named_required.used;
- vec = newLISTOP(OP_VEC, 0, first, mid);
- vec->op_targ = pad_alloc(OP_VEC, SVs_PADTMP);
- ((LISTOP *)vec)->op_last = last;
- op_null(((LISTOP *)vec)->op_first);
+ av = newAV();
+ if (lim) {
+ av_extend(av, lim - 1);
+ for (i = 0; i < lim; i++) {
+ av_push(av, SvREFCNT_inc_simple_NN(ps->named_required.data[i].name));
+ }
+ }
- return vec;
-}
+ mPUSHs(newRV_noinc((SV *)av));
+ }
+ /* 6 */ {
+ size_t i, lim;
+ AV *av;
-static OP *mkargselem(pTHX_ OP *index) {
- OP *args = newAVREF(newGVOP(OP_GV, 0, PL_defgv));
- args->op_flags |= OPf_REF;
+ lim = ps->named_optional.used;
- return newBINOP(OP_AELEM, 0, args, index);
-}
+ av = newAV();
+ if (lim) {
+ av_extend(av, lim - 1);
+ for (i = 0; i < lim; i++) {
+ av_push(av, SvREFCNT_inc_simple_NN(ps->named_optional.data[i].param.name));
+ }
+ }
+
+ mPUSHs(newRV_noinc((SV *)av));
+ }
+ /* 7 */ {
+ if (ps->slurpy.name) {
+ PUSHs(ps->slurpy.name);
+ } else {
+ PUSHmortal;
+ }
+ }
+ }
+ PUTBACK;
+
+ call_pv(MY_PKG "::_register_info", G_VOID);
-static OP *mkargselemv(pTHX_ PADOFFSET v) {
- return mkargselem(aTHX_ my_var(aTHX_ 0, v));
+ FREETMPS;
+ LEAVE;
}
-static int parse_fun(pTHX_ OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) {
+static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) {
ParamSpec *param_spec;
SV *declarator;
I32 floor_ix;
unsigned builtin_attrs;
I32 c;
- declarator = sv_2mortal(newSVpvn(keyword_ptr, keyword_len));
+ declarator = sentinel_mortalize(sen, newSVpvn(keyword_ptr, keyword_len));
lex_read_space(0);
/* function name */
saw_name = NULL;
- if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ TRUE))) {
+ if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ sen, TRUE))) {
if (PL_parser->expect != XSTATE) {
/* bail out early so we don't predeclare $saw_name */
/* initialize synthetic optree */
Newx(prelude_sentinel, 1, OP *);
*prelude_sentinel = NULL;
- SAVEDESTRUCTOR_X(free_ptr_op, prelude_sentinel);
+ sentinel_register(sen, prelude_sentinel, free_ptr_op);
/* parameters */
param_spec = NULL;
Newx(init_sentinel, 1, OP *);
*init_sentinel = NULL;
- SAVEDESTRUCTOR_X(free_ptr_op, init_sentinel);
+ sentinel_register(sen, init_sentinel, free_ptr_op);
Newx(param_spec, 1, ParamSpec);
ps_init(param_spec);
- SAVEDESTRUCTOR_X(ps_free_void, param_spec);
+ sentinel_register(sen, param_spec, ps_free_void);
lex_read_unichar(0);
lex_read_space(0);
char sigil;
PADOFFSET padoff;
- padoff = parse_param(aTHX_ declarator, spec, param_spec, &flags, &name, init_sentinel);
+ padoff = parse_param(aTHX_ sen, declarator, spec, param_spec, &flags, &name, init_sentinel);
S_intro_my(aTHX);
c = ':';
} else {
lex_read_unichar(0);
- if (!(proto = my_scan_parens_tail(aTHX_ FALSE))) {
+ if (!(proto = my_scan_parens_tail(aTHX_ sen, FALSE))) {
croak("In %"SVf": prototype not terminated", SVfARG(declarator));
}
- my_check_prototype(aTHX_ declarator, proto);
+ my_check_prototype(aTHX_ sen, declarator, proto);
lex_read_space(0);
c = lex_peek_unichar(0);
+ if (!(c == ':' || c == '{')) {
+ lex_stuff_pvs(":", 0);
+ c = ':';
+ }
}
}
/* attributes */
Newx(attrs_sentinel, 1, OP *);
*attrs_sentinel = NULL;
- SAVEDESTRUCTOR_X(free_ptr_op, attrs_sentinel);
+ sentinel_register(sen, attrs_sentinel, free_ptr_op);
if (c == ':' || c == '{') /* '}' - hi, vim */ {
for (;;) {
SV *attr;
- if (!(attr = my_scan_word(aTHX_ FALSE))) {
+ if (!(attr = my_scan_word(aTHX_ sen, FALSE))) {
break;
}
} else {
SV *sv;
lex_read_unichar(0);
- if (!(sv = my_scan_parens_tail(aTHX_ TRUE))) {
+ if (!(sv = my_scan_parens_tail(aTHX_ sen, TRUE))) {
croak("In %"SVf": unterminated attribute parameter in attribute list", SVfARG(declarator));
}
sv_catpvs(attr, "(");
}
if (attr) {
- *attrs_sentinel = op_append_elem(OP_LIST, *attrs_sentinel, newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(attr)));
+ *attrs_sentinel = op_append_elem(OP_LIST, *attrs_sentinel, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(attr)));
}
if (c == ':') {
newATTRSUB(
sub_ix,
- newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)),
- proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL,
+ mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(saw_name)),
+ proto ? mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(proto)) : NULL,
NULL,
NULL
);
if (amin > 0) {
OP *chk, *cond, *err, *croak;
- err = newSVOP(OP_CONST, 0,
- newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin));
- err = newBINOP(OP_CONCAT, 0,
- err,
- newAVREF(newGVOP(OP_GV, 0, PL_defgv)));
- err = newBINOP(OP_CONCAT, 0,
- err,
- newSVOP(OP_CONST, 0, newSVpvs(")")));
+ err = mkconstsv(aTHX_ newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin));
+ err = newBINOP(
+ OP_CONCAT, 0,
+ err,
+ newAVREF(newGVOP(OP_GV, 0, PL_defgv))
+ );
+ err = newBINOP(
+ OP_CONCAT, 0,
+ err,
+ mkconstpvs(")")
+ );
croak = newCVREF(OPf_WANT_SCALAR,
- newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)));
+ newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)));
err = newUNOP(OP_ENTERSUB, OPf_STACKED,
- op_append_elem(OP_LIST, err, croak));
+ op_append_elem(OP_LIST, err, croak));
cond = newBINOP(OP_LT, 0,
- newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSViv(amin)));
+ newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
+ mkconstiv(aTHX_ amin));
chk = newLOGOP(OP_AND, 0, cond, err);
*prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk));
if (amax >= 0) {
OP *chk, *cond, *err, *croak;
- err = newSVOP(OP_CONST, 0,
- newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax));
- err = newBINOP(OP_CONCAT, 0,
- err,
- newAVREF(newGVOP(OP_GV, 0, PL_defgv)));
- err = newBINOP(OP_CONCAT, 0,
- err,
- newSVOP(OP_CONST, 0, newSVpvs(")")));
+ err = mkconstsv(aTHX_ newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax));
+ err = newBINOP(
+ OP_CONCAT, 0,
+ err,
+ newAVREF(newGVOP(OP_GV, 0, PL_defgv))
+ );
+ err = newBINOP(
+ OP_CONCAT, 0,
+ err,
+ mkconstpvs(")")
+ );
- croak = newCVREF(OPf_WANT_SCALAR,
- newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)));
+ croak = newCVREF(
+ OPf_WANT_SCALAR,
+ newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))
+ );
err = newUNOP(OP_ENTERSUB, OPf_STACKED,
- op_append_elem(OP_LIST, err, croak));
+ op_append_elem(OP_LIST, err, croak));
- cond = newBINOP(OP_GT, 0,
- newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSViv(amax)));
+ cond = newBINOP(
+ OP_GT, 0,
+ newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
+ mkconstiv(aTHX_ amax)
+ );
chk = newLOGOP(OP_AND, 0, cond, err);
*prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk));
OP *chk, *cond, *err, *croak;
const UV fixed = count_positional_params(param_spec) + !!param_spec->invocant.name;
- err = newSVOP(OP_CONST, 0,
- newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator)));
+ err = mkconstsv(aTHX_ newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator)));
- croak = newCVREF(OPf_WANT_SCALAR,
- newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)));
+ croak = newCVREF(
+ OPf_WANT_SCALAR,
+ newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))
+ );
err = newUNOP(OP_ENTERSUB, OPf_STACKED,
- op_append_elem(OP_LIST, err, croak));
+ op_append_elem(OP_LIST, err, croak));
cond = newBINOP(OP_GT, 0,
- fixed
- ? newBINOP(OP_SUBTRACT, 0,
- newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSVuv(fixed)))
- : newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSViv(0)));
+ newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
+ mkconstiv(aTHX_ fixed));
cond = newLOGOP(OP_AND, 0,
- cond,
- newBINOP(OP_MODULO, 0,
- fixed
- ? newBINOP(OP_SUBTRACT, 0,
- newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSVuv(fixed)))
- : newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSViv(2))));
+ cond,
+ newBINOP(OP_MODULO, 0,
+ fixed
+ ? newBINOP(OP_SUBTRACT, 0,
+ newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
+ mkconstiv(aTHX_ fixed))
+ : newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
+ mkconstiv(aTHX_ 2)));
chk = newLOGOP(OP_AND, 0, cond, err);
*prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk));
lhs = op_append_elem(OP_LIST, lhs, var);
}
- if (param_spec->slurpy.name) {
- if (count_named_params(param_spec)) {
- OP *const var = my_var_g(
- aTHX_
- SvPV_nolen(param_spec->slurpy.name)[0] == '@' ? OP_PADAV : OP_PADHV,
- OPf_MOD | (OPpLVAL_INTRO << 8),
- param_spec->slurpy.padoff
- );
- *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var));
+ {
+ PADOFFSET padoff;
+ I32 type;
+ bool slurpy_hash;
+
+ /*
+ * cases:
+ * 1) no named params
+ * 1.1) slurpy
+ * => put it in
+ * 1.2) no slurpy
+ * => nop
+ * 2) named params
+ * 2.1) no slurpy
+ * => synthetic %{rest}
+ * 2.2) slurpy is a hash
+ * => put it in
+ * 2.3) slurpy is an array
+ * => synthetic %{rest}
+ * remember to declare array later
+ */
+
+ slurpy_hash = param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%';
+ if (!count_named_params(param_spec)) {
+ if (param_spec->slurpy.name) {
+ padoff = param_spec->slurpy.padoff;
+ type = slurpy_hash ? OP_PADHV : OP_PADAV;
+ } else {
+ padoff = NOT_IN_PAD;
+ type = OP_PADSV;
+ }
+ } else if (slurpy_hash) {
+ padoff = param_spec->slurpy.padoff;
+ type = OP_PADHV;
} else {
+ padoff = param_spec->rest_hash = pad_add_name_pvs("%{rest}", 0, NULL, NULL);
+ type = OP_PADHV;
+ }
+
+ if (padoff != NOT_IN_PAD) {
OP *const var = my_var_g(
aTHX_
- SvPV_nolen(param_spec->slurpy.name)[0] == '@' ? OP_PADAV : OP_PADHV,
+ type,
OPf_WANT_LIST | (OPpLVAL_INTRO << 8),
- param_spec->slurpy.padoff
+ padoff
);
+
lhs = op_append_elem(OP_LIST, lhs, var);
+
+ if (type == OP_PADHV) {
+ param_spec->rest_hash = padoff;
+ }
}
}
}
}
- /* default arguments */
+ /* default positional arguments */
{
size_t i, lim, req;
OP *nest;
cond = newBINOP(
OP_LT, 0,
newAVREF(newGVOP(OP_GV, 0, PL_defgv)),
- newSVOP(OP_CONST, 0, newSViv(req + i + 1))
+ mkconstiv(aTHX_ req + i + 1)
);
var = my_var(aTHX_ 0, cur->param.padoff);
/* named parameters */
if (count_named_params(param_spec)) {
- int nameblock_ix;
- OP *nameblock;
- PADOFFSET vb, vc, vi, vk;
- int vb_is_str, vc_is_str;
-
- {
- OP *lhs;
- size_t i, lim;
+ size_t i, lim;
- lhs = NULL;
+ assert(param_spec->rest_hash != NOT_IN_PAD);
- for (i = 0, lim = param_spec->named_required.used; i < lim; i++) {
- OP *const var = my_var(
- aTHX_
- OPf_MOD | OPf_WANT_LIST | (OPpLVAL_INTRO << 8),
- param_spec->named_required.data[i].padoff
- );
- lhs = op_append_elem(OP_LIST, lhs, var);
- }
+ for (i = 0, lim = param_spec->named_required.used; i < lim; i++) {
+ Param *cur = ¶m_spec->named_required.data[i];
+ size_t n;
+ char *p = SvPV(cur->name, n);
+ OP *var, *cond;
- for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) {
- OP *const var = my_var(
- aTHX_
- OPf_MOD | OPf_WANT_LIST | (OPpLVAL_INTRO << 8),
- param_spec->named_optional.data[i].param.padoff
- );
- lhs = op_append_elem(OP_LIST, lhs, var);
- }
+ cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1));
- lhs->op_flags |= OPf_PARENS;
- *prelude_sentinel = op_append_list(
- OP_LINESEQ, *prelude_sentinel,
- lhs
- );
- }
+ if (spec->flags & FLAG_CHECK_NARGS) {
+ OP *croak, *msg;
- nameblock = NULL;
- nameblock_ix = S_block_start(aTHX_ TRUE);
+ var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1));
+ var = newUNOP(OP_DELETE, 0, var);
- {
- OP *decl, *var;
+ msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": missing named parameter: %.*s", SVfARG(declarator), (int)(n - 1), p + 1));
+ croak = newCVREF(
+ OPf_WANT_SCALAR,
+ newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))
+ );
+ croak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, croak));
- decl = NULL;
+ cond = newUNOP(OP_EXISTS, 0, cond);
- vb_is_str = param_spec->named_required.used > UV_BITS;
- if (!param_spec->named_required.used || !(spec->flags & FLAG_CHECK_NARGS)) {
- vb = 0;
- } else {
- var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8));
- var->op_targ = vb = pad_add_name_pvs("$__B", 0, NULL, NULL);
- var = newASSIGNOP(OPf_STACKED, var, 0, newSVOP(OP_CONST, 0, vb_is_str ? newSVpvs("") : newSVuv(0)));
- decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var));
+ cond = newCONDOP(0, cond, var, croak);
}
- vc_is_str = param_spec->named_optional.used > UV_BITS;
- if (!param_spec->named_optional.used) {
- vc = 0;
- } else {
- var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8));
- var->op_targ = vc = pad_add_name_pvs("$__C", 0, NULL, NULL);
- var = newASSIGNOP(OPf_STACKED, var, 0, newSVOP(OP_CONST, 0, vc_is_str ? newSVpvs("") : newSVuv(0)));
- decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var));
- }
-
- var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8));
- var->op_targ = vk = pad_add_name_pvs("$__K", 0, NULL, NULL);
- decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var));
-
- var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8));
- var->op_targ = vi = pad_add_name_pvs("$__I", 0, NULL, NULL);
- var = newASSIGNOP(OPf_STACKED, var, 0, newSVOP(OP_CONST, 0, newSViv(count_positional_params(param_spec))));
- decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var));
+ var = my_var(
+ aTHX_
+ OPf_MOD | (OPpLVAL_INTRO << 8),
+ cur->padoff
+ );
+ var = newASSIGNOP(OPf_STACKED, var, 0, cond);
- //S_intro_my(aTHX);
- nameblock = op_append_list(OP_LINESEQ, nameblock, decl);
+ *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var));
}
- {
- OP *loop;
+ for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) {
+ ParamInit *cur = ¶m_spec->named_optional.data[i];
+ size_t n;
+ char *p = SvPV(cur->param.name, n);
+ OP *var, *cond;
- loop = NULL;
+ var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1));
+ var = newUNOP(OP_DELETE, 0, var);
- loop = op_append_list(
- OP_LINESEQ,
- loop,
- newSTATEOP(
- 0, NULL,
- newASSIGNOP(
- OPf_STACKED,
- my_var(aTHX_ 0, vk),
- 0,
- mkargselemv(aTHX_ vi)
- )
- )
- );
+ cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1));
+ cond = newUNOP(OP_EXISTS, 0, cond);
- {
- OP *nest;
- size_t i;
-
- if (param_spec->slurpy.name) {
- if (SvPV_nolen(param_spec->slurpy.name)[0] == '@') {
- OP *first, *mid, *last;
-
- last = mkargselem(
- aTHX_
- newBINOP(
- OP_ADD, 0,
- my_var(aTHX_ 0, vi),
- newSVOP(OP_CONST, 0, newSViv(1))
- )
- );
- mid = last;
-
- first = my_var(aTHX_ 0, vk);
- first->op_sibling = mid;
- mid = first;
-
- first = my_var_g(aTHX_ OP_PADAV, 0, param_spec->slurpy.padoff);
- first->op_sibling = mid;
- mid = first;
-
- first = newOP(OP_PUSHMARK, 0);
- nest = newLISTOP(OP_PUSH, 0, first, mid);
- nest->op_targ = pad_alloc(OP_PUSH, SVs_PADTMP);
- ((LISTOP *)nest)->op_last = last;
- } else {
- nest = newASSIGNOP(
- OPf_STACKED,
- newBINOP(
- OP_HELEM, 0,
- my_var_g(aTHX_ OP_PADHV, 0, param_spec->slurpy.padoff),
- my_var(aTHX_ 0, vk)
- ),
- 0,
- mkargselem(
- aTHX_
- newBINOP(
- OP_ADD, 0,
- my_var(aTHX_ 0, vi),
- newSVOP(OP_CONST, 0, newSViv(1))
- )
- )
- );
- }
- } else if (spec->flags & FLAG_CHECK_NARGS) {
- OP *err, *croak;
-
- err = newSVOP(OP_CONST, 0,
- newSVpvf("In %"SVf": no such named parameter: ", SVfARG(declarator)));
- err = newBINOP(
- OP_CONCAT, 0,
- err,
- my_var(aTHX_ 0, vk)
- );
-
- croak = newCVREF(OPf_WANT_SCALAR,
- newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)));
- nest = newUNOP(OP_ENTERSUB, OPf_STACKED,
- op_append_elem(OP_LIST, err, croak));
- } else {
- nest = NULL;
- }
+ cond = newCONDOP(0, cond, var, cur->init);
+ cur->init = NULL;
- for (i = param_spec->named_optional.used; i--; ) {
- Param *cur = ¶m_spec->named_optional.data[i].param;
- size_t dn;
- char *dp = SvPV(cur->name, dn);
- OP *vec;
-
- if (!(spec->flags & FLAG_CHECK_NARGS)) {
- vec = NULL;
- } else if (vc_is_str) {
- vec = newASSIGNOP(
- OPf_STACKED,
- mkvecbits(aTHX_ vc, i),
- 0,
- newSVOP(OP_CONST, 0, newSViv(1))
- );
- } else {
- vec = newASSIGNOP(
- OPf_STACKED,
- my_var(aTHX_ 0, vc),
- OP_BIT_OR,
- newSVOP(OP_CONST, 0, newSVuv((UV)1 << i))
- );
- }
+ var = my_var(
+ aTHX_
+ OPf_MOD | (OPpLVAL_INTRO << 8),
+ cur->param.padoff
+ );
+ var = newASSIGNOP(OPf_STACKED, var, 0, cond);
- nest = newCONDOP(
- 0,
- newBINOP(
- OP_SEQ, 0,
- my_var(aTHX_ 0, vk),
- newSVOP(OP_CONST, 0, newSVpvn_utf8(dp + 1, dn - 1, SvUTF8(cur->name)))
- ),
- op_append_list(
- OP_LINESEQ,
- newASSIGNOP(
- OPf_STACKED,
- my_var(aTHX_ 0, cur->padoff),
- 0,
- mkargselem(
- aTHX_
- newBINOP(
- OP_ADD, 0,
- my_var(aTHX_ 0, vi),
- newSVOP(OP_CONST, 0, newSViv(1))
- )
- )
- ),
- vec
- ),
- nest
- );
- }
+ *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var));
+ }
- for (i = param_spec->named_required.used; i--; ) {
- Param *cur = ¶m_spec->named_required.data[i];
- size_t dn;
- char *dp = SvPV(cur->name, dn);
- OP *vec;
-
- if (!(spec->flags & FLAG_CHECK_NARGS)) {
- vec = NULL;
- } else if (vb_is_str) {
- vec = newASSIGNOP(
- OPf_STACKED,
- mkvecbits(aTHX_ vb, i),
- 0,
- newSVOP(OP_CONST, 0, newSViv(1))
- );
- } else {
- vec = newASSIGNOP(
- OPf_STACKED,
- my_var(aTHX_ 0, vb),
- OP_BIT_OR,
- newSVOP(OP_CONST, 0, newSVuv((UV)1 << i))
- );
- }
+ if (!param_spec->slurpy.name) {
+ if (spec->flags & FLAG_CHECK_NARGS) {
+ /* croak if %{rest} */
+ OP *croak, *cond, *keys, *msg;
- nest = newCONDOP(
- 0,
- newBINOP(
- OP_SEQ, 0,
- my_var(aTHX_ 0, vk),
- newSVOP(OP_CONST, 0, newSVpvn_utf8(dp + 1, dn - 1, SvUTF8(cur->name)))
- ),
- op_append_list(
- OP_LINESEQ,
- newASSIGNOP(
- OPf_STACKED,
- my_var(aTHX_ 0, cur->padoff),
- 0,
- mkargselem(
- aTHX_
- newBINOP(
- OP_ADD, 0,
- my_var(aTHX_ 0, vi),
- newSVOP(OP_CONST, 0, newSViv(1))
- )
- )
- ),
- vec
- ),
- nest
- );
- }
+ keys = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash));
+ keys = newLISTOP(OP_SORT, 0, newOP(OP_PUSHMARK, 0), keys);
+ {
+ OP *first, *mid, *last;
- loop = op_append_elem(OP_LINESEQ, loop, newSTATEOP(0, NULL, nest));
- }
+ last = keys;
- loop = newWHILEOP(
- 0, 1,
- NULL,
- newBINOP(
- OP_LT, 0,
- my_var(aTHX_ 0, vi),
- newAVREF(newGVOP(OP_GV, 0, PL_defgv))
- ),
- loop,
- newASSIGNOP(
- OPf_STACKED,
- my_var(aTHX_ 0, vi),
- OP_ADD,
- newSVOP(OP_CONST, 0, newSViv(2))
- ),
- 0
- );
+ mid = mkconstpvs(", ");
+ mid->op_sibling = last;
- nameblock = op_append_list(OP_LINESEQ, nameblock, newSTATEOP(0, NULL, loop));
- }
+ first = newOP(OP_PUSHMARK, 0);
- if (param_spec->named_required.used && (spec->flags & FLAG_CHECK_NARGS)) {
- OP *cond, *err, *croak, *join;
-
- {
- size_t i, lim;
- OP *first, *mid, *last;
-
- last = newNULLLIST();
- mid = last;
-
- for (i = param_spec->named_required.used; i--; ) {
- OP *cur;
- SV *sv = param_spec->named_required.data[i].name;
- size_t n;
- char *p = SvPV(sv, n);
- cur = newCONDOP(
- 0,
- vb_is_str
- ? mkvecbits(aTHX_ vb, i)
- : newBINOP(OP_BIT_AND, 0, my_var(aTHX_ 0, vb), newSVOP(OP_CONST, 0, newSVuv((UV)1 << i)))
- ,
- newNULLLIST(),
- newSVOP(OP_CONST, 0, newSVpvn_utf8(p + 1, n - 1, SvUTF8(sv)))
- );
- cur->op_sibling = mid;
- mid = cur;
+ keys = newLISTOP(OP_JOIN, 0, first, mid);
+ keys->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP);
+ ((LISTOP *)keys)->op_last = last;
}
- first = newSVOP(OP_CONST, 0, newSVpvs(", "));
- first->op_sibling = mid;
- mid = first;
+ msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": no such named parameter: ", SVfARG(declarator)));
+ msg = newBINOP(OP_CONCAT, 0, msg, keys);
- first = newOP(OP_PUSHMARK, 0);
-
- join = newLISTOP(OP_JOIN, 0, first, mid);
- join->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP);
- ((LISTOP *)join)->op_last = last;
- }
-
- err = newSVOP(
- OP_CONST, 0,
- newSVpvf("In %"SVf": missing named parameter(s): ", SVfARG(declarator))
- );
- err = newBINOP(OP_CONCAT, 0, err, join);
- croak = newCVREF(
- OPf_WANT_SCALAR,
- newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))
- );
- err = newUNOP(
- OP_ENTERSUB,
- OPf_STACKED,
- op_append_elem(OP_LIST, err, croak)
- );
- if (vb_is_str) {
- cond = newBINOP(
- OP_SNE, 0,
- my_var(aTHX_ 0, vb),
- newSVOP(OP_CONST, 0, mkbits1(aTHX_ param_spec->named_required.used))
- );
- } else {
- cond = newBINOP(
- OP_NE, 0,
- my_var(aTHX_ 0, vb),
- newSVOP(
- OP_CONST, 0,
- newSVuv(
- param_spec->named_required.used == UV_BITS
- ? ~(UV)0
- : ((UV)1 << param_spec->named_required.used) - 1
- )
- )
+ croak = newCVREF(
+ OPf_WANT_SCALAR,
+ newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))
);
- }
- err = newCONDOP(
- 0,
- cond,
- err,
- NULL
- );
-
- nameblock = op_append_list(OP_LINESEQ, nameblock, err);
- }
+ croak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, croak));
- if (param_spec->named_optional.used) {
- size_t i, lim;
+ cond = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash));
+ croak = newCONDOP(0, cond, croak, NULL);
- for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) {
- ParamInit *const cur = ¶m_spec->named_optional.data[i];
- OP *init, *cond;
+ *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, croak));
+ } else {
+ OP *clear;
- init = newASSIGNOP(
+ clear = newASSIGNOP(
OPf_STACKED,
- my_var(aTHX_ 0, cur->param.padoff),
+ my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash),
0,
- cur->init
+ newNULLLIST()
);
- cur->init = NULL;
- cond = newUNOP(
- OP_NOT, OPf_SPECIAL,
- vc_is_str
- ? mkvecbits(aTHX_ vc, i)
- : newBINOP(OP_BIT_AND, 0, my_var(aTHX_ 0, vc), newSVOP(OP_CONST, 0, newSVuv((UV)1 << i)))
- );
+ *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, clear));
+ }
+ } else if (param_spec->slurpy.padoff != param_spec->rest_hash) {
+ OP *var, *clear;
- init = newCONDOP(0, cond, init, NULL);
+ assert(SvPV_nolen(param_spec->slurpy.name)[0] == '@');
- nameblock = op_append_list(OP_LINESEQ, nameblock, newSTATEOP(0, NULL, init));
- }
- }
+ var = my_var_g(
+ aTHX_
+ OP_PADAV,
+ OPf_MOD | (OPpLVAL_INTRO << 8),
+ param_spec->slurpy.padoff
+ );
+
+ var = newASSIGNOP(OPf_STACKED, var, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash));
- nameblock = S_block_end(aTHX_ nameblock_ix, nameblock);
- nameblock = op_scope(nameblock);
+ *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var));
- *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, nameblock);
+ clear = newASSIGNOP(
+ OPf_STACKED,
+ my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash),
+ 0,
+ newNULLLIST()
+ );
+
+ *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, clear));
+ }
}
}
/* it's go time. */
{
+ CV *cv;
OP *const attrs = *attrs_sentinel;
*attrs_sentinel = NULL;
+
SvREFCNT_inc_simple_void(PL_compcv);
/* close outer block: '}' */
S_block_end(aTHX_ save_ix, body);
- if (!saw_name) {
- *pop = newANONATTRSUB(
- floor_ix,
- proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL,
- attrs,
- body
- );
- return KEYWORD_PLUGIN_EXPR;
- }
-
- newATTRSUB(
+ cv = newATTRSUB(
floor_ix,
- newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)),
+ saw_name ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)) : NULL,
proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL,
attrs,
body
);
- *pop = newOP(OP_NULL, 0);
- return KEYWORD_PLUGIN_STMT;
+
+ register_info(aTHX_ PTR2UV(CvROOT(cv)), declarator, spec, param_spec);
+
+ if (saw_name) {
+ *pop = newOP(OP_NULL, 0);
+ return KEYWORD_PLUGIN_STMT;
+ }
+
+ *pop = newUNOP(
+ OP_REFGEN, 0,
+ newSVOP(
+ OP_ANONCODE, 0,
+ (SV *)cv
+ )
+ );
+ return KEYWORD_PLUGIN_EXPR;
}
}
static int my_keyword_plugin(pTHX_ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr) {
KWSpec spec;
int ret;
+ Sentinel sen = { NULL };
+ ENTER;
SAVETMPS;
- if (kw_flags(aTHX_ keyword_ptr, keyword_len, &spec)) {
- ret = parse_fun(aTHX_ op_ptr, keyword_ptr, keyword_len, &spec);
+ SAVEDESTRUCTOR_X(sentinel_clear_void, sen);
+
+ if (kw_flags(aTHX_ sen, keyword_ptr, keyword_len, &spec)) {
+ ret = parse_fun(aTHX_ sen, op_ptr, keyword_ptr, keyword_len, &spec);
} else {
ret = next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr);
}
FREETMPS;
+ LEAVE;
return ret;
}
WARNINGS_RESET
-MODULE = Function::Parameters PACKAGE = Function::Parameters
+MODULE = Function::Parameters PACKAGE = Function::Parameters PREFIX = fp_
PROTOTYPES: ENABLE
+UV
+fp__cv_root(sv)
+ SV * sv
+ PREINIT:
+ CV *cv;
+ HV *hv;
+ GV *gv;
+ CODE:
+ cv = sv_2cv(sv, &hv, &gv, 0);
+ RETVAL = PTR2UV(cv ? CvROOT(cv) : NULL);
+ OUTPUT:
+ RETVAL
+
BOOT:
WARNINGS_ENABLE {
HV *const stash = gv_stashpvs(MY_PKG, GV_ADD);
projects / p5sagit/Function-Parameters.git / blobdiff