void lr0(void) { set_derives(); set_nullable(); generate_states(); }
int main (int argc, char *argv[]) { program_name = argv[0]; #ifdef __LINUX__ if (readlink ("/proc/self/exe", program_name_buf, 1024) != -1) { program_name=&program_name_buf; } #endif setlocale (LC_ALL, ""); bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); failure = 0; lineno = 0; getargs(argc, argv); openfiles(); /* read the input. Copy some parts of it to fguard, faction, ftable and fattrs. In file reader.c. The other parts are recorded in the grammar; see gram.h. */ reader(); if (failure) done(failure); /* find useless nonterminals and productions and reduce the grammar. In file reduce.c */ reduce_grammar(); /* record other info about the grammar. In files derives and nullable. */ set_derives(); set_nullable(); /* convert to nondeterministic finite state machine. In file LR0. See state.h for more info. */ generate_states(); /* make it deterministic. In file lalr. */ lalr(); /* Find and record any conflicts: places where one token of lookahead is not enough to disambiguate the parsing. In file conflicts. Also resolve s/r conflicts based on precedence declarations. */ initialize_conflicts(); /* print information about results, if requested. In file print. */ if (verboseflag) verbose(); else terse(); /* output the tables and the parser to ftable. In file output. */ output(); done(failure); return failure; }
int main(int argc,char *argv[]) { failure = 0; lineno = 0; getargs(argc, argv); openfiles(); /* read the input. Copy some parts of it to fguard, faction, ftable and fattrs. In file reader. The other parts are recorded in the grammar; see gram.h. */ reader(); /* record other info about the grammar. In files derives and nullable. */ set_derives(); set_nullable(); /* convert to nondeterministic finite state machine. In file LR0. See state.h for more info. */ generate_states(); /* make it deterministic. In file lalr. */ lalr(); /* Find and record any conflicts: places where one token of lookahead is not enough to disambiguate the parsing. In file conflicts. Currently this does not do anything to resolve them; the trivial form of conflict resolution that exists is done in output. */ initialize_conflicts(); /* print information about results, if requested. In file print. */ if (verboseflag) verbose(); else terse(); /* output the tables and the parser to ftable. In file output. */ output(); done(failure); return 0; }
int main (int argc, char *argv[]) { set_program_name (argv[0]); setlocale (LC_ALL, ""); bindtextdomain (PACKAGE, LOCALEDIR); bindtextdomain ("bison-runtime", LOCALEDIR); textdomain (PACKAGE); { char const *cp = getenv ("LC_CTYPE"); if (cp && STREQ (cp, "C")) set_custom_quoting ("e_quoting_options, "'", "'"); else set_quoting_style ("e_quoting_options, locale_quoting_style); } atexit (close_stdout); uniqstrs_new (); muscle_init (); complain_init (); getargs (argc, argv); timevar_report = trace_flag & trace_time; init_timevar (); timevar_start (TV_TOTAL); if (trace_flag & trace_bitsets) bitset_stats_enable (); /* Read the input. Copy some parts of it to FGUARD, FACTION, FTABLE and FATTRS. In file reader.c. The other parts are recorded in the grammar; see gram.h. */ timevar_push (TV_READER); reader (); timevar_pop (TV_READER); if (complaint_status == status_complaint) goto finish; /* Find useless nonterminals and productions and reduce the grammar. */ timevar_push (TV_REDUCE); reduce_grammar (); timevar_pop (TV_REDUCE); /* Record other info about the grammar. In files derives and nullable. */ timevar_push (TV_SETS); derives_compute (); nullable_compute (); timevar_pop (TV_SETS); /* Compute LR(0) parser states. See state.h for more info. */ timevar_push (TV_LR0); generate_states (); timevar_pop (TV_LR0); /* Add lookahead sets to parser states. Except when LALR(1) is requested, split states to eliminate LR(1)-relative inadequacies. */ ielr (); /* Find and record any conflicts: places where one token of lookahead is not enough to disambiguate the parsing. In file conflicts. Also resolve s/r conflicts based on precedence declarations. */ timevar_push (TV_CONFLICTS); conflicts_solve (); if (!muscle_percent_define_flag_if ("lr.keep-unreachable-state")) { state_number *old_to_new = xnmalloc (nstates, sizeof *old_to_new); state_number nstates_old = nstates; state_remove_unreachable_states (old_to_new); lalr_update_state_numbers (old_to_new, nstates_old); conflicts_update_state_numbers (old_to_new, nstates_old); free (old_to_new); } conflicts_print (); timevar_pop (TV_CONFLICTS); /* Compute the parser tables. */ timevar_push (TV_ACTIONS); tables_generate (); timevar_pop (TV_ACTIONS); grammar_rules_useless_report (_("rule useless in parser due to conflicts")); print_precedence_warnings (); /* Output file names. */ compute_output_file_names (); /* Output the detailed report on the grammar. */ if (report_flag) { timevar_push (TV_REPORT); print_results (); timevar_pop (TV_REPORT); } /* Output the graph. */ if (graph_flag) { timevar_push (TV_GRAPH); print_graph (); timevar_pop (TV_GRAPH); } /* Output xml. */ if (xml_flag) { timevar_push (TV_XML); print_xml (); timevar_pop (TV_XML); } /* Stop if there were errors, to avoid trashing previous output files. */ if (complaint_status == status_complaint) goto finish; /* Lookahead tokens are no longer needed. */ timevar_push (TV_FREE); lalr_free (); timevar_pop (TV_FREE); /* Output the tables and the parser to ftable. In file output. */ timevar_push (TV_PARSER); output (); timevar_pop (TV_PARSER); timevar_push (TV_FREE); nullable_free (); derives_free (); tables_free (); states_free (); reduce_free (); conflicts_free (); grammar_free (); output_file_names_free (); /* The scanner memory cannot be released right after parsing, as it contains things such as user actions, prologue, epilogue etc. */ gram_scanner_free (); muscle_free (); uniqstrs_free (); code_scanner_free (); skel_scanner_free (); quotearg_free (); timevar_pop (TV_FREE); if (trace_flag & trace_bitsets) bitset_stats_dump (stderr); finish: /* Stop timing and print the times. */ timevar_stop (TV_TOTAL); timevar_print (stderr); cleanup_caret (); return complaint_status ? EXIT_FAILURE : EXIT_SUCCESS; }
/* **************************************************************** * Programa principal * **************************************************************** */ void main (int argc, const char *argv[]) { int opt; failure = 0; lineno = 0; verboseflag = 0; definesflag = 0; debugflag = 0; fixed_outfiles = 0; /* * Analisa as opções */ while ((opt = getopt (argc, argv, "b:dlo:p:tvVyH")) != EOF) { switch (opt) { case 'b': /* File prefix */ spec_file_prefix = optarg; break; case 'd': /* Defines */ definesflag = 1; break; case 'l': /* No lines */ nolinesflag = 1; break; case 'o': /* Out file */ spec_outfile = optarg; break; case 'p': /* Prefix */ spec_name_prefix = optarg; break; case 't': /* Debug */ debugflag = 1; break; case 'v': /* Verbose */ verboseflag = 1; break; case 'V': /* Version */ printf ("%s", version_string); break; case 'y': /* Fixed output files */ fixed_outfiles = 1; break; case 'H': /* Help */ help (); default: /* Erro */ putc ('\n', stderr); help (); } /* end switch */ } /* end while */ if (optind == argc) { fprintf(stderr, "%s: no grammar file given\n", pgname); exit(1); } if (optind < argc - 1) fprintf(stderr, "%s: warning: extra arguments ignored\n", pgname); infile = argv[optind]; openfiles (); /* read the input. Copy some parts of it to fguard, faction, ftable and fattrs. In file reader.c. The other parts are recorded in the grammar; see gram.h. */ reader(); /* find useless nonterminals and productions and reduce the grammar. In file reduce.c */ reduce_grammar(); /* record other info about the grammar. In files derives and nullable. */ set_derives(); set_nullable(); /* convert to nondeterministic finite state machine. In file LR0. See state.h for more info. */ generate_states(); /* make it deterministic. In file lalr. */ lalr(); /* Find and record any conflicts: places where one token of lookahead is not enough to disambiguate the parsing. In file conflicts. Currently this does not do anything to resolve them; the trivial form of conflict resolution that exists is done in output. */ initialize_conflicts(); /* print information about results, if requested. In file print. */ if (verboseflag) verbose(); else terse(); /* output the tables and the parser to ftable. In file output. */ output(); done(failure); } /* end main */