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a major redesign in the C runtime. The parser and the linearizer now fully support BIND. The following things are still broken: parseval, word completion, handling 'pre', the robust mode

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kr.angelov
2013-10-09 12:08:51 +00:00
parent 20e4970ec1
commit 8cf03bc5b6
20 changed files with 1220 additions and 1763 deletions
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76
src/runtime/c/pgf/pgf.c
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@@ -4,7 +4,6 @@
#include <pgf/reader.h>
#include <pgf/linearizer.h>
#include <pgf/parser.h>
#include <pgf/lexer.h>
#include <gu/file.h>
#include <gu/string.h>
#include <gu/enum.h>
@@ -61,7 +60,8 @@ pgf_load_meta_child_probs(PgfPGF* pgf, const char* fpath,
PgfAbsCat* abscat1 =
gu_map_get(pgf->abstract.cats, cat1, PgfAbsCat*);
if (abscat1 == NULL) {
gu_raise(err, PgfExn);
GuExnData* exn = gu_raise(err, PgfExn);
exn->data = "Unknown category name";
goto close;
}
@@ -73,6 +73,8 @@ pgf_load_meta_child_probs(PgfPGF* pgf, const char* fpath,
PgfAbsCat* abscat2 = gu_map_get(pgf->abstract.cats, cat2, PgfAbsCat*);
if (abscat2 == NULL) {
gu_raise(err, PgfExn);
GuExnData* exn = gu_raise(err, PgfExn);
exn->data = "Unknown category name";
goto close;
}
@@ -228,73 +230,3 @@ pgf_linearize(PgfConcr* concr, PgfExpr expr, GuOut* out, GuExn* err)
gu_pool_free(tmp_pool);
}
GuEnum*
pgf_parse(PgfConcr* concr, PgfCId cat, PgfLexer *lexer,
GuPool* pool, GuPool* out_pool)
{
return pgf_parse_with_heuristics(concr, cat, lexer, -1.0, pool, out_pool);
}
GuEnum*
pgf_parse_with_heuristics(PgfConcr* concr, PgfCId cat, PgfLexer *lexer,
double heuristics,
GuPool* pool, GuPool* out_pool)
{
// Begin parsing a sentence of the specified category
PgfParseState* state =
pgf_parser_init_state(concr, cat, 0, heuristics, pool, out_pool);
if (state == NULL) {
return NULL;
}
// Tokenization
GuExn* lex_err = gu_new_exn(NULL, gu_kind(type), pool);
PgfToken tok = pgf_lexer_read_token(lexer, lex_err);
while (!gu_exn_is_raised(lex_err)) {
// feed the token to get a new parse state
state = pgf_parser_next_state(state, tok);
if (state == NULL) {
return NULL;
}
tok = pgf_lexer_read_token(lexer, lex_err);
}
if (gu_exn_caught(lex_err) != gu_type(GuEOF))
return NULL;
// Now begin enumerating the resulting syntax trees
return pgf_parse_result(state);
}
GuEnum*
pgf_complete(PgfConcr* concr, PgfCId cat, PgfLexer *lexer,
GuString prefix, GuPool* pool)
{
// Begin parsing a sentence of the specified category
PgfParseState* state =
pgf_parser_init_state(concr, cat, 0, -1, pool, pool);
if (state == NULL) {
return NULL;
}
// Tokenization
GuExn* lex_err = gu_new_exn(NULL, gu_kind(type), pool);
PgfToken tok = pgf_lexer_read_token(lexer, lex_err);
while (!gu_exn_is_raised(lex_err)) {
// feed the token to get a new parse state
state = pgf_parser_next_state(state, tok);
if (state == NULL) {
return NULL;
}
tok = pgf_lexer_read_token(lexer, lex_err);
}
if (gu_exn_caught(lex_err) != gu_type(GuEOF))
return NULL;
// Now begin enumerating the resulting syntax trees
return pgf_parser_completions(state, prefix);
}