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minor optimization/refactoring in the grammar reader

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kr.angelov
2013-09-13 11:02:17 +00:00
parent 239eb22df5
commit 605772fda1
3 changed files with 142 additions and 181 deletions
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137
src/runtime/c/pgf/parser.c
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@@ -2561,96 +2561,71 @@ pgf_parser_index_epsilon(PgfConcr* concr,
gu_buf_push(gu_seq_buf(prods), PgfProduction, prod);
}
typedef struct {
GuMapItor fn;
PgfConcr* concr;
GuPool* pool;
} PgfLeftcornerFn;
static void
pgf_parser_index_cats(GuMapItor* fn, const void* key, void* value, GuExn* err)
void
pgf_parser_index(PgfConcr* concr,
PgfCCat* ccat, PgfProduction prod,
GuPool *pool)
{
(void) (key && err);
PgfLeftcornerFn* clo = (PgfLeftcornerFn*) fn;
PgfCCat* ccat = *((PgfCCat**) value);
if (gu_seq_is_null(ccat->prods))
return;
for (size_t lin_idx = 0; lin_idx < ccat->cnccat->n_lins; lin_idx++) {
size_t n_prods = gu_seq_length(ccat->prods);
for (size_t i = 0; i < n_prods; i++) {
PgfProduction prod = gu_seq_get(ccat->prods, PgfProduction, i);
GuVariantInfo i = gu_variant_open(prod);
switch (i.tag) {
case PGF_PRODUCTION_APPLY: {
PgfProductionApply* papp = i.data;
GuVariantInfo i = gu_variant_open(prod);
switch (i.tag) {
case PGF_PRODUCTION_APPLY: {
PgfProductionApply* papp = i.data;
if (gu_seq_length(papp->args) > 0)
break;
PgfSequence seq = papp->fun->lins[lin_idx];
if (gu_seq_length(seq) > 0) {
GuVariantInfo i = gu_variant_open(gu_seq_get(seq, PgfSymbol, 0));
switch (i.tag) {
case PGF_SYMBOL_KS: {
PgfSymbolKS* sks = i.data;
pgf_parser_index_token(clo->concr,
sks->tokens,
ccat, lin_idx, prod,
clo->pool);
break;
}
case PGF_SYMBOL_KP: {
PgfSymbolKP* skp = i.data;
pgf_parser_index_token(clo->concr,
skp->default_form,
ccat, lin_idx, prod,
clo->pool);
for (size_t i = 0; i < skp->n_forms; i++) {
pgf_parser_index_token(clo->concr,
skp->forms[i].form,
ccat, lin_idx, prod,
clo->pool);
}
break;
}
case PGF_SYMBOL_CAT:
case PGF_SYMBOL_LIT:
case PGF_SYMBOL_NE:
case PGF_SYMBOL_VAR:
// Nothing to be done here
break;
default:
gu_impossible();
}
} else {
pgf_parser_index_epsilon(clo->concr,
ccat, lin_idx, prod,
clo->pool);
}
}
break;
case PGF_PRODUCTION_COERCE:
// Nothing to be done here
if (gu_seq_length(papp->args) > 0)
break;
default:
gu_impossible();
PgfSequence seq = papp->fun->lins[lin_idx];
if (gu_seq_length(seq) > 0) {
GuVariantInfo i = gu_variant_open(gu_seq_get(seq, PgfSymbol, 0));
switch (i.tag) {
case PGF_SYMBOL_KS: {
PgfSymbolKS* sks = i.data;
pgf_parser_index_token(concr,
sks->tokens,
ccat, lin_idx, prod,
pool);
break;
}
case PGF_SYMBOL_KP: {
PgfSymbolKP* skp = i.data;
pgf_parser_index_token(concr,
skp->default_form,
ccat, lin_idx, prod,
pool);
for (size_t i = 0; i < skp->n_forms; i++) {
pgf_parser_index_token(concr,
skp->forms[i].form,
ccat, lin_idx, prod,
pool);
}
break;
}
case PGF_SYMBOL_CAT:
case PGF_SYMBOL_LIT:
case PGF_SYMBOL_NE:
case PGF_SYMBOL_VAR:
// Nothing to be done here
break;
default:
gu_impossible();
}
} else {
pgf_parser_index_epsilon(concr,
ccat, lin_idx, prod,
pool);
}
}
break;
case PGF_PRODUCTION_COERCE:
// Nothing to be done here
break;
default:
gu_impossible();
}
}
}
void
pgf_parser_index(PgfConcr* concr, GuPool *pool)
{
PgfLeftcornerFn clo1 = { { pgf_parser_index_cats },
concr, pool };
gu_map_iter(concr->ccats, &clo1.fn, NULL);
}
prob_t
pgf_ccat_set_viterbi_prob(PgfCCat* ccat) {
if (ccat->fid < 0)