Merge branch 'metadata' into mooseish-types
[p5sagit/Function-Parameters.git] / Parameters.xs
index cc3c498..64099fc 100644 (file)
@@ -121,7 +121,9 @@ static void sentinel_clear_void(pTHX_ void *p) {
        Resource **pp = p;
        while (*pp) {
                Resource *cur = *pp;
-               cur->destroy(aTHX_ cur->data);
+               if (cur->destroy) {
+                       cur->destroy(aTHX_ cur->data);
+               }
                cur->data = (void *)"no";
                cur->destroy = NULL;
                *pp = cur->next;
@@ -129,7 +131,7 @@ static void sentinel_clear_void(pTHX_ void *p) {
        }
 }
 
-static void sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ void *)) {
+static Resource *sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ void *)) {
        Resource *cur;
 
        Newx(cur, 1, Resource);
@@ -137,6 +139,12 @@ static void sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ vo
        cur->destroy = destroy;
        cur->next = *sen;
        *sen = cur;
+
+       return cur;
+}
+
+static void sentinel_disarm(Resource *p) {
+       p->destroy = NULL;
 }
 
 static void my_sv_refcnt_dec_void(pTHX_ void *p) {
@@ -149,39 +157,6 @@ static SV *sentinel_mortalize(Sentinel sen, SV *sv) {
        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;
@@ -275,7 +250,7 @@ enum {
 
 static void my_sv_cat_c(pTHX_ SV *sv, U32 c) {
        char ds[UTF8_MAXBYTES + 1], *d;
-       d = uvchr_to_utf8(ds, c);
+       d = (char *)uvchr_to_utf8((U8 *)ds, c);
        if (d - ds > 1) {
                sv_utf8_upgrade(sv);
        }
@@ -565,10 +540,13 @@ static SV *reify_type(pTHX_ Sentinel sen, const SV *declarator, SV *name) {
        PUSHs(name);
        PUTBACK;
 
-       n = call_pv("Moose::Util::TypeConstraints::find_or_parse_type_constraint", G_SCALAR);
+       n = call_pv("Moose::Util::TypeConstraints::find_or_create_isa_type_constraint", G_SCALAR);
        SPAGAIN;
 
        assert(n == 1);
+       /* don't warn about n being unused if assert() is compiled out */
+       n = n;
+
        t = sentinel_mortalize(sen, SvREFCNT_inc(POPs));
 
        PUTBACK;
@@ -812,7 +790,7 @@ static PADOFFSET parse_param(
 ) {
        I32 c;
        char sigil;
-       SV *name, *typeobj, *typename;
+       SV *name;
 
        assert(!*pinit);
        *pflags = 0;
@@ -824,15 +802,18 @@ static PADOFFSET parse_param(
                if (c == '(') {
                        I32 floor;
                        OP *expr;
+                       Resource *expr_sentinel;
 
                        lex_read_unichar(0);
 
-                       floor = start_subparse(FALSE, CVf_ANON);
+                       floor = start_subparse(FALSE, 0);
+                       SAVEFREESV(PL_compcv);
+                       CvSPECIAL_on(PL_compcv);
 
                        if (!(expr = parse_fullexpr(PARSE_OPTIONAL))) {
                                croak("In %"SVf": invalid type expression", SVfARG(declarator));
                        }
-                       sentinel_register(sen, expr, free_op_void);
+                       expr_sentinel = sentinel_register(sen, expr, free_op_void);
 
                        lex_read_space(0);
                        c = lex_peek_unichar(0);
@@ -842,17 +823,19 @@ static PADOFFSET parse_param(
                        lex_read_unichar(0);
                        lex_read_space(0);
 
+                       SvREFCNT_inc_simple_void(PL_compcv);
+                       sentinel_disarm(expr_sentinel);
                        *ptype = my_eval(aTHX_ sen, floor, expr);
+                       *ptype = reify_type(aTHX_ sen, declarator, *ptype);
                        if (!sv_isobject(*ptype)) {
                                croak("In %"SVf": (%"SVf") doesn't look like a type object", SVfARG(declarator), SVfARG(*ptype));
                        }
 
                        c = lex_peek_unichar(0);
                } else if (my_is_uni_xidfirst(aTHX_ c)) {
-                       typename = parse_type(aTHX_ sen, declarator);
+                       *ptype = parse_type(aTHX_ sen, declarator);
                        my_require(aTHX_ "Moose/Util/TypeConstraints.pm");
-                       typeobj = reify_type(aTHX_ sen, declarator, typename);
-                       *ptype = typeobj;
+                       *ptype = reify_type(aTHX_ sen, declarator, *ptype);
 
                        c = lex_peek_unichar(0);
                }
@@ -953,7 +936,7 @@ static OP *mkconstpv(pTHX_ const char *p, size_t n) {
 
 static OP *mktypecheck(pTHX_ const SV *declarator, int nr, SV *name, PADOFFSET padoff, SV *type) {
        /* $type->check($value) or Carp::croak "...: " . $type->get_message($value) */
-       OP *chk, *cond, *err, *msg, *xcroak;
+       OP *chk, *err, *msg, *xcroak;
 
        err = mkconstsv(aTHX_ newSVpvf("In %"SVf": parameter %d (%"SVf"): ", SVfARG(declarator), nr, SVfARG(name)));
        {
@@ -1024,7 +1007,7 @@ static void register_info(pTHX_ UV key, SV *declarator, const KWSpec *kws, const
                size_t n;
                char *p = SvPV(declarator, n);
                char *q = memchr(p, ' ', n);
-               mPUSHp(p, q ? q - p : n);
+               mPUSHp(p, q ? (size_t)(q - p) : n);
        }
        if (!ps) {
                if (SvTRUE(kws->shift)) {
@@ -1309,11 +1292,13 @@ static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRL
                                        *init_sentinel = NULL;
                                        param_spec->named_optional.used++;
                                } else {
+                                       Param *p;
+
                                        if (param_spec->positional_optional.used) {
                                                croak("In %"SVf": can't combine optional positional (%"SVf") and required named (%"SVf") parameters", SVfARG(declarator), SVfARG(param_spec->positional_optional.data[0].param.name), SVfARG(name));
                                        }
 
-                                       Param *p = pv_extend(&param_spec->named_required);
+                                       p = pv_extend(&param_spec->named_required);
                                        p->name = name;
                                        p->padoff = padoff;
                                        p->type = type;
@@ -1477,7 +1462,6 @@ static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRL
        /* check number of arguments */
        if (spec->flags & FLAG_CHECK_NARGS) {
                int amin, amax;
-               size_t named;
 
                amin = args_min(aTHX_ param_spec, spec);
                if (amin > 0) {
@@ -1922,9 +1906,9 @@ static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRL
 
                        if (param_spec->slurpy.type) {
                                /* $type->valid($_) or croak $type->get_message($_) for @rest / values %rest */
-                               OP *body, *list, *loop;
+                               OP *check, *list, *loop;
 
-                               body = mktypecheck(aTHX_ declarator, base, param_spec->slurpy.name, NOT_IN_PAD, param_spec->slurpy.type);
+                               check = mktypecheck(aTHX_ declarator, base, param_spec->slurpy.name, NOT_IN_PAD, param_spec->slurpy.type);
 
                                if (SvPV_nolen(param_spec->slurpy.name)[0] == '@') {
                                        list = my_var_g(aTHX_ OP_PADAV, 0, param_spec->slurpy.padoff);
@@ -1933,7 +1917,7 @@ static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRL
                                        list = newUNOP(OP_VALUES, 0, list);
                                }
 
-                               loop = newFOROP(0, NULL, list, body, NULL);
+                               loop = newFOROP(0, NULL, list, check, NULL);
 
                                *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, loop));
                        }
@@ -2021,12 +2005,12 @@ UV
 fp__cv_root(sv)
        SV * sv
        PREINIT:
-               CV *cv;
+               CV *xcv;
                HV *hv;
                GV *gv;
        CODE:
-               cv = sv_2cv(sv, &hv, &gv, 0);
-               RETVAL = PTR2UV(cv ? CvROOT(cv) : NULL);
+               xcv = sv_2cv(sv, &hv, &gv, 0);
+               RETVAL = PTR2UV(xcv ? CvROOT(xcv) : NULL);
        OUTPUT:
                RETVAL