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patch for adjustable heuristics from Python

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This commit is contained in:
kr.angelov
2013-06-26 07:36:03 +00:00
parent d94b6146f2
commit 3c2d1890d0
9 changed files with 48 additions and 183 deletions
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40
src/runtime/c/pgf/pgf.c
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@@ -210,10 +210,18 @@ pgf_linearize(PgfConcr* concr, PgfExpr expr, GuWriter* wtr, GuExn* err)
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, pool, out_pool);
pgf_parser_init_state(concr, cat, 0, heuristics, pool, out_pool);
if (state == NULL) {
return NULL;
}
@@ -244,7 +252,7 @@ pgf_get_completions(PgfConcr* concr, PgfCId cat, PgfLexer *lexer,
{
// Begin parsing a sentence of the specified category
PgfParseState* state =
pgf_parser_init_state(concr, cat, 0, pool, pool);
pgf_parser_init_state(concr, cat, 0, -1, pool, pool);
if (state == NULL) {
return NULL;
}
@@ -268,31 +276,3 @@ pgf_get_completions(PgfConcr* concr, PgfCId cat, PgfLexer *lexer,
// Now begin enumerating the resulting syntax trees
return pgf_parser_completions(state, prefix);
}
void
pgf_print_chunks(PgfConcr* concr, PgfCId cat, PgfLexer *lexer, GuPool* pool)
{
// Begin parsing a sentence of the specified category
PgfParseState* state =
pgf_parser_init_state(concr, cat, 0, pool, pool);
if (state == NULL) {
printf("\n");
return;
}
// 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) {
printf("\n");
return;
}
tok = pgf_lexer_read_token(lexer, lex_err);
}
pgf_parse_print_chunks(state);
}