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/* You may distribute under the terms of either the GNU General Public License
* or the Artistic License (the same terms as Perl itself)
*
* (C) Paul Evans, 2020 -- leonerd@leonerd.org.uk
*/
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "XSParseSublike.h"
#include "sv_setrv.c.inc"
#if (PERL_REVISION > 5) || (PERL_REVISION == 5 && PERL_VERSION >= 26)
# define HAVE_SIGNATURES
#endif
static bool stage_permit(pTHX_ void *_)
{
if(!hv_fetchs(GvHV(PL_hintgv), "t::stages/permit", 0))
return FALSE;
return TRUE;
}
static void stage_pre_subparse(pTHX_ struct XSParseSublikeContext *ctx, void *_)
{
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/pre_subparse-capture", 0)) {
sv_setsv(get_sv("t::stages::captured", GV_ADD), get_sv("main::VAR", 0));
}
}
static void stage_post_blockstart(pTHX_ struct XSParseSublikeContext *ctx, void *_)
{
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/post_blockstart-capture", 0)) {
sv_setsv(get_sv("t::stages::captured", GV_ADD), get_sv("main::VAR", 0));
}
}
static void stage_pre_blockend(pTHX_ struct XSParseSublikeContext *ctx, void *_)
{
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/pre_blockend-capture", 0)) {
sv_setsv(get_sv("t::stages::captured", GV_ADD), get_sv("main::VAR", 0));
}
}
static void stage_post_newcv(pTHX_ struct XSParseSublikeContext *ctx, void *_)
{
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/post_newcv-capture-cv", 0)) {
sv_setrv_inc(get_sv("t::stages::captured", GV_ADD), (SV *)ctx->cv);
}
}
static bool stage_filter_attr(pTHX_ struct XSParseSublikeContext *ctx, SV *attr, SV *value, void *_)
{
if(!hv_fetchs(GvHV(PL_hintgv), "t::stages/filter_attr-capture", 0))
return FALSE;
AV *av = newAV();
av_push(av, SvREFCNT_inc(attr));
av_push(av, SvREFCNT_inc(value));
sv_setrv_noinc(get_sv("t::stages::captured", GV_ADD), (SV *)av);
return TRUE;
}
#ifdef HAVE_SIGNATURES
static void stage_start_signature(pTHX_ struct XSParseSublikeContext *ctx, void *_)
{
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/signature-add-$first", 0)) {
PADOFFSET padix = pad_add_name_pvs("$first", 0, NULL, NULL);
xps_signature_add_param(ctx, (&(struct XPSSignatureParamDetails){
.ver = XSPARSESUBLIKE_ABI_VERSION,
.sigil = '$',
.padix = padix,
}));
}
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/signature-capture", 0)) {
SV *sv = get_sv("t::stages::captured", GV_ADD);
if(!SvPOK(sv))
sv_setpv(sv, "");
sv_catpv(sv, "(SIG");
}
}
static void stage_finish_signature(pTHX_ struct XSParseSublikeContext *ctx, void *_)
{
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/signature-add-@rest", 0)) {
PADOFFSET padix = pad_add_name_pvs("@rest", 0, NULL, NULL);
xps_signature_add_param(ctx, (&(struct XPSSignatureParamDetails){
.ver = XSPARSESUBLIKE_ABI_VERSION,
.sigil = '@',
.padix = padix,
}));
}
if(hv_fetchs(GvHV(PL_hintgv), "t::stages/signature-capture", 0)) {
SV *sv = get_sv("t::stages::captured", GV_ADD);
if(!SvPOK(sv))
sv_setpv(sv, "");
sv_catpvf(sv, "[n=%" UVuf "])", xps_signature_query_params(ctx));
}
}
#endif
static const struct XSParseSublikeHooks parse_stages_hooks = {
.ver = XSPARSESUBLIKE_ABI_VERSION,
.permit = stage_permit,
.pre_subparse = stage_pre_subparse,
.filter_attr = stage_filter_attr,
.post_blockstart = stage_post_blockstart,
.pre_blockend = stage_pre_blockend,
.post_newcv = stage_post_newcv,
#ifdef HAVE_SIGNATURES
.start_signature = stage_start_signature,
.finish_signature = stage_finish_signature,
#endif
};
MODULE = t::stages PACKAGE = t::stages
BOOT:
boot_xs_parse_sublike(0);
register_xs_parse_sublike("stages", &parse_stages_hooks, NULL);
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