static void pgf_print_cnccat(GuMapItor* fn, const void* key, void* value, GuExn* err) { PgfPrintFn* clo = (PgfPrintFn*) fn; PgfCId name = *((PgfCId *) key); PgfCncCat* cnccat = *((PgfCncCat**) value); GuWriter *wtr = clo->wtr; gu_puts(" ", wtr, err); gu_string_write(name, wtr, err); gu_puts(" :=\n", wtr, err); PgfCCat *start = gu_list_index(cnccat->cats, 0); PgfCCat *end = gu_list_index(cnccat->cats, gu_list_length(cnccat->cats)-1); gu_printf(wtr, err, " range [C%d..C%d]\n", start->fid, end->fid); gu_puts(" labels [", wtr, err); for (size_t i = 0; i < cnccat->n_lins; i++) { if (i > 0) { gu_puts("\n ", wtr, err); } gu_string_write(cnccat->labels[i], wtr, err); } gu_puts("]\n", wtr, err); }
void pgf_print_symbol(PgfSymbol sym, GuWriter *wtr, GuExn *err) { switch (gu_variant_tag(sym)) { case PGF_SYMBOL_CAT: { PgfSymbolCat* scat = gu_variant_data(sym); gu_printf(wtr, err, "<%d,%d>", scat->d, scat->r); break; } case PGF_SYMBOL_KS: { PgfSymbolKS* sks = gu_variant_data(sym); pgf_print_tokens(sks->tokens, wtr, err); break; } case PGF_SYMBOL_KP: { PgfSymbolKP* skp = gu_variant_data(sym); gu_puts("pre {", wtr, err); pgf_print_tokens(skp->default_form, wtr, err); for (size_t i = 0; i < skp->n_forms; i++) { gu_puts("; ", wtr, err); pgf_print_tokens(skp->forms[i].form, wtr, err); gu_puts(" / ", wtr, err); size_t n_prefixes = gu_list_length(skp->forms[i].prefixes); for (size_t j = 0; j < n_prefixes; j++) { if (j > 0) gu_putc(' ', wtr, err); GuString prefix = gu_list_index(skp->forms[i].prefixes, j); gu_putc('"', wtr, err); gu_string_write(prefix, wtr, err); gu_putc('"', wtr, err); } } gu_puts("}", wtr, err); break; } case PGF_SYMBOL_LIT: { PgfSymbolLit *slit = gu_variant_data(sym); gu_printf(wtr, err, "{%d,%d}", slit->d, slit->r); break; } case PGF_SYMBOL_VAR: { PgfSymbolVar *svar = gu_variant_data(sym); gu_printf(wtr, err, "<%d,$%d>", svar->d, svar->r); break; } default: gu_impossible(); } }
void pgf_print_flag(GuMapItor* fn, const void* key, void* value, GuExn* err) { PgfPrintFn* clo = (PgfPrintFn*) fn; PgfCId flag = *((PgfCId *) key); PgfLiteral lit = *((PgfLiteral *) value); GuWriter *wtr = clo->wtr; gu_puts(" flag ", wtr, err); gu_string_write(flag, wtr, err); gu_puts(" = ", wtr, err); pgf_print_literal(lit, wtr, err); gu_puts(";\n", wtr, err); }
void pgf_print_absfun(GuMapItor* fn, const void* key, void* value, GuExn* err) { PgfPrintFn* clo = (PgfPrintFn*) fn; PgfCId name = *((PgfCId *) key); PgfAbsFun *fun = *((PgfAbsFun **) value); GuWriter *wtr = clo->wtr; gu_puts(gu_seq_is_null(fun->defns) ? " data " : " fun ", wtr, err); gu_string_write(name, wtr, err); gu_puts(" : ", wtr, err); pgf_print_type(fun->type, 0, wtr, err); gu_printf(wtr, err, " ; -- %f\n", fun->ep.prob); }
static void pgf_print_abstract(PgfAbstr* abstr, GuWriter* wtr, GuExn* err) { gu_puts("abstract ", wtr, err); gu_string_write(abstr->name, wtr, err); gu_puts(" {\n", wtr, err); PgfPrintFn clo1 = { { pgf_print_flag }, wtr }; gu_map_iter(abstr->aflags, &clo1.fn, err); PgfPrintFn clo2 = { { pgf_print_cat }, wtr }; gu_map_iter(abstr->cats, &clo2.fn, err); PgfPrintFn clo3 = { { pgf_print_absfun }, wtr }; gu_map_iter(abstr->funs, &clo3.fn, err); gu_puts("}\n", wtr, err); }
static void pgf_print_cncfun(PgfCncFun *cncfun, PgfSequences *sequences, GuWriter *wtr, GuExn *err) { gu_printf(wtr,err," F%d := (", cncfun->funid); size_t n_seqs = gu_list_length(sequences); for (size_t i = 0; i < cncfun->n_lins; i++) { if (i > 0) gu_putc(',', wtr, err); PgfSequence seq = cncfun->lins[i]; for (size_t seqid = 0; seqid < n_seqs; seqid++) { if (gu_seq_data(gu_list_index(sequences, seqid)) == gu_seq_data(seq)) { gu_printf(wtr,err,"S%d", seqid); break; } } } gu_puts(") [", wtr, err); gu_string_write(cncfun->name, wtr, err); gu_puts("]\n", wtr, err); }
static void pgf_print_concrete(PgfCId cncname, PgfConcr* concr, GuWriter* wtr, GuExn* err) { gu_puts("concrete ", wtr, err); gu_string_write(cncname, wtr, err); gu_puts(" {\n", wtr, err); PgfPrintFn clo1 = { { pgf_print_flag }, wtr }; gu_map_iter(concr->cflags, &clo1.fn, err); gu_puts(" productions\n", wtr, err); PgfPrintFn clo2 = { { pgf_print_productions }, wtr }; gu_map_iter(concr->ccats, &clo2.fn, err); gu_puts(" lindefs\n", wtr, err); PgfPrintFn clo3 = { { pgf_print_lindefs }, wtr }; gu_map_iter(concr->ccats, &clo3.fn, err); gu_puts(" lin\n", wtr, err); size_t n_funs = gu_list_length(concr->cncfuns); for (size_t i = 0; i < n_funs; i++) { PgfCncFun* cncfun = gu_list_index(concr->cncfuns, i); pgf_print_cncfun(cncfun, concr->sequences, wtr, err); } gu_puts(" sequences\n", wtr, err); size_t n_seqs = gu_list_length(concr->sequences); for (size_t i = 0; i < n_seqs; i++) { PgfSequence seq = gu_list_index(concr->sequences, i); pgf_print_sequence(i, seq, wtr, err); } gu_puts(" categories\n", wtr, err); PgfPrintFn clo4 = { { pgf_print_cnccat }, wtr }; gu_map_iter(concr->cnccats, &clo4.fn, err); gu_puts("}\n", wtr, err); }
void pgf_print_cat(GuMapItor* fn, const void* key, void* value, GuExn* err) { PgfPrintFn* clo = (PgfPrintFn*) fn; PgfCId name = *((PgfCId *) key); PgfAbsCat *cat = *((PgfAbsCat **) value); GuWriter *wtr = clo->wtr; gu_puts(" cat ", wtr, err); gu_string_write(name, wtr, err); size_t n_hypos = gu_seq_length(cat->context); for (size_t i = 0; i < n_hypos; i++) { PgfHypo* hypo = gu_seq_get(cat->context, PgfHypo*, i); gu_putc(' ', wtr, err); pgf_print_hypo(hypo, 4, wtr, err); } gu_printf(wtr, err, " ; -- %f\n",cat->meta_prob); }
int main(int argc, char* argv[]) { // Set the character locale, so we can produce proper output. setlocale(LC_CTYPE, ""); // Create the pool that is used to allocate everything GuPool* pool = gu_new_pool(); int status = EXIT_SUCCESS; if (argc < 5 || argc > 6) { fprintf(stderr, "usage: %s pgf cat from-lang to-lang [probs-file]\n", argv[0]); status = EXIT_FAILURE; goto fail; } char* filename = argv[1]; GuString cat = gu_str_string(argv[2], pool); GuString from_lang = gu_str_string(argv[3], pool); GuString to_lang = gu_str_string(argv[4], pool); // Create an exception frame that catches all errors. GuExn* err = gu_new_exn(NULL, gu_kind(type), pool); // Read the PGF grammar. PgfPGF* pgf = pgf_read(filename, pool, err); // If an error occured, it shows in the exception frame if (!gu_ok(err)) { fprintf(stderr, "Reading PGF failed\n"); status = EXIT_FAILURE; goto fail; } if (argc == 6) { char* meta_probs_filename = argv[5]; pgf_load_meta_child_probs(pgf, meta_probs_filename, pool, err); if (!gu_ok(err)) { fprintf(stderr, "Loading meta child probs failed\n"); status = EXIT_FAILURE; goto fail; } } // Look up the source and destination concrete categories PgfConcr* from_concr = pgf_get_language(pgf, from_lang); PgfConcr* to_concr = pgf_get_language(pgf, to_lang); if (!from_concr || !to_concr) { fprintf(stderr, "Unknown language\n"); status = EXIT_FAILURE; goto fail_concr; } // Register a callback for the literal category Symbol pgf_parser_add_literal(from_concr, gu_str_string("Symb", pool), &pgf_nerc_literal_callback); // Create an output stream for stdout GuOut* out = gu_file_out(stdout, pool); // Locale-encoding writers are currently unsupported // GuWriter* wtr = gu_locale_writer(out, pool); // Use a writer with hard-coded utf-8 encoding for now. GuWriter* wtr = gu_new_utf8_writer(out, pool); // We will keep the latest results in the 'ppool' and // we will iterate over them by using 'result'. GuPool* ppool = NULL; GuEnum* result = NULL; // The interactive translation loop. // XXX: This currently reads stdin directly, so it doesn't support // encodings properly. TODO: use a locale reader for input while (true) { fprintf(stdout, "> "); fflush(stdout); char buf[4096]; char* line = fgets(buf, sizeof(buf), stdin); if (line == NULL) { if (ferror(stdin)) { fprintf(stderr, "Input error\n"); status = EXIT_FAILURE; } break; } else if (strcmp(line, "") == 0) { // End nicely on empty input break; } else if (strcmp(line, "\n") == 0) { // Empty line -> show the next tree for the last sentence if (result != NULL) { clock_t start = clock(); PgfExprProb* ep = gu_next(result, PgfExprProb*, ppool); clock_t end = clock(); double cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC; printf("%.2f sec\n", cpu_time_used); // The enumerator will return a null variant at the // end of the results. if (ep == NULL) { goto fail_parse; } print_result(ep, to_concr, wtr, err, ppool); } continue; } // We release the last results if (ppool != NULL) { gu_pool_free(ppool); ppool = NULL; result = NULL; } // We create a temporary pool for translating a single // sentence, so our memory usage doesn't increase over time. ppool = gu_new_pool(); GuReader *rdr = gu_string_reader(gu_str_string(line, ppool), ppool); PgfLexer *lexer = pgf_new_lexer(rdr, ppool); clock_t start = clock(); GuEnum* result = pgf_parse(from_concr, cat, lexer, ppool); if (result == NULL) { PgfToken tok = pgf_lexer_current_token(lexer); if (gu_string_eq(tok, gu_empty_string)) gu_puts("Couldn't begin parsing", wtr, err); else { gu_puts("Unexpected token: \"", wtr, err); gu_string_write(tok, wtr, err); gu_puts("\"\n", wtr, err); } goto fail_parse; } PgfExprProb* ep = gu_next(result, PgfExprProb*, ppool); clock_t end = clock(); double cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC; printf("%.2f sec\n", cpu_time_used); // The enumerator will return null at the end of the results. if (ep == NULL) { goto fail_parse; } print_result(ep, to_concr, wtr, err, ppool); continue; fail_parse: // Free all resources allocated during parsing and linearization gu_pool_free(ppool); ppool = NULL; result = NULL; }
int main(int argc, char* argv[]) { // Set the character locale, so we can produce proper output. setlocale(LC_CTYPE, ""); // Create the pool that is used to allocate everything GuPool* pool = gu_new_pool(); int status = EXIT_SUCCESS; if (argc < 5) { fprintf(stderr, "usage: %s pgf cat from-lang to-lang\n", argv[0]); status = EXIT_FAILURE; goto fail; } GuString filename = argv[1]; GuString cat = argv[2]; GuString from_lang = argv[3]; GuString to_lang = argv[4]; // Create an exception frame that catches all errors. GuExn* err = gu_new_exn(pool); // Read the PGF grammar. PgfPGF* pgf = pgf_read(filename, pool, err); // If an error occured, it shows in the exception frame if (!gu_ok(err)) { fprintf(stderr, "Reading PGF failed\n"); status = EXIT_FAILURE; goto fail; } // Look up the source and destination concrete categories PgfConcr* from_concr = pgf_get_language(pgf, from_lang); PgfConcr* to_concr = pgf_get_language(pgf, to_lang); if (!from_concr || !to_concr) { fprintf(stderr, "Unknown language\n"); status = EXIT_FAILURE; goto fail_concr; } // Register a callback for the literal category Symbol PgfCallbacksMap* callbacks = pgf_new_callbacks_map(from_concr, pool); pgf_callbacks_map_add_literal(from_concr, callbacks, "PN", &pgf_nerc_literal_callback); pgf_callbacks_map_add_literal(from_concr, callbacks, "Symb", &pgf_unknown_literal_callback); // Create an output stream for stdout GuOut* out = gu_file_out(stdout, pool); // We will keep the latest results in the 'ppool' and // we will iterate over them by using 'result'. GuPool* ppool = NULL; GuEnum* result = NULL; // The interactive translation loop. // XXX: This currently reads stdin directly, so it doesn't support // encodings properly. TODO: use a locale reader for input while (true) { fprintf(stdout, "> "); fflush(stdout); char buf[4096]; char* line = fgets(buf, sizeof(buf), stdin); if (line == NULL) { if (ferror(stdin)) { fprintf(stderr, "Input error\n"); status = EXIT_FAILURE; } break; } else if (strcmp(line, "") == 0) { // End nicely on empty input break; } else if (strcmp(line, "\n") == 0) { // Empty line -> show the next tree for the last sentence if (result != NULL) { clock_t start = clock(); PgfExprProb* ep = gu_next(result, PgfExprProb*, ppool); clock_t end = clock(); double cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC; printf("%.2f sec\n", cpu_time_used); // The enumerator will return a null variant at the // end of the results. if (ep == NULL) { goto fail_parse; } print_result(ep, to_concr, out, err, ppool); } continue; } // We release the last results if (ppool != NULL) { gu_pool_free(ppool); ppool = NULL; result = NULL; } // We create a temporary pool for translating a single // sentence, so our memory usage doesn't increase over time. ppool = gu_new_pool(); clock_t start = clock(); GuExn* parse_err = gu_new_exn(ppool); result = pgf_parse_with_heuristics(from_concr, cat, line, -1, callbacks, parse_err, ppool, ppool); if (!gu_ok(parse_err)) { if (gu_exn_caught(parse_err, PgfExn)) { GuString msg = gu_exn_caught_data(parse_err); gu_string_write(msg, out, err); gu_putc('\n', out, err); } else if (gu_exn_caught(parse_err, PgfParseError)) { gu_puts("Unexpected token: \"", out, err); GuString tok = gu_exn_caught_data(parse_err); gu_string_write(tok, out, err); gu_puts("\"\n", out, err); } goto fail_parse; } PgfExprProb* ep = gu_next(result, PgfExprProb*, ppool); clock_t end = clock(); double cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC; printf("%.2f sec\n", cpu_time_used); // The enumerator will return null at the end of the results. if (ep == NULL) { goto fail_parse; } print_result(ep, to_concr, out, err, ppool); continue; fail_parse: // Free all resources allocated during parsing and linearization gu_pool_free(ppool); ppool = NULL; result = NULL; }