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fully supported case-insensitive parsing/lookup

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krangelov
2019-06-30 08:48:23 +02:00
parent b56591c6b6
commit 32379a8d11
4 changed files with 247 additions and 41 deletions
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14
src/runtime/c/pgf/parser.c
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@@ -1078,8 +1078,8 @@ pgf_parsing_scan_helper(PgfParsing *ps, PgfParseState* state,
ptrdiff_t len = current.ptr - start.ptr;
found = true;
if (min <= len-1)
pgf_parsing_scan_helper(ps, state, i, k-1, min, len-1);
if (min <= len)
pgf_parsing_scan_helper(ps, state, i, k-1, min, len);
// Here we do bottom-up prediction for all lexical categories.
// The epsilon productions will be predicted in top-down
@@ -1141,8 +1141,8 @@ pgf_parsing_scan_helper(PgfParsing *ps, PgfParseState* state,
}
}
if (len+1 <= max)
pgf_parsing_scan_helper(ps, state, k+1, j, len+1, max);
if (len <= max)
pgf_parsing_scan_helper(ps, state, k+1, j, len, max);
break;
}
@@ -1633,6 +1633,9 @@ pgf_parsing_set_default_factors(PgfParsing* ps, PgfAbstr* abstr)
}
}
PGF_INTERNAL_DECL bool
pgf_is_case_sensitive(PgfConcr* concr);
static PgfParsing*
pgf_new_parsing(PgfConcr* concr, GuString sentence,
PgfCallbacksMap* callbacks, PgfOracleCallback* oracle,
@@ -1643,8 +1646,7 @@ pgf_new_parsing(PgfConcr* concr, GuString sentence,
ps->pool = pool;
ps->out_pool = out_pool;
ps->sentence = sentence;
ps->case_sensitive =
(gu_seq_binsearch(concr->cflags, pgf_flag_order, PgfFlag, "case_sensitive") == NULL);
ps->case_sensitive = pgf_is_case_sensitive(concr);
ps->expr_queue = gu_new_buf(PgfExprState*, pool);
ps->max_fid = concr->total_cats;
ps->before = NULL;