X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2aec1bc1de7b482f4ad76c022c8d8acab3274136..f0451dba71a80adebe53a11db00c00bac7c70ba7:/src/main.c diff --git a/src/main.c b/src/main.c index 0e710920..62436a80 100644 --- a/src/main.c +++ b/src/main.c @@ -34,6 +34,8 @@ #include "LR0.h" #include "conflicts.h" #include "print_graph.h" +#include "symtab.h" +#include "lex.h" /* The name this program was run with, for messages. */ char *program_name; @@ -60,15 +62,16 @@ main (int argc, char *argv[]) if (complain_message_count) exit (1); - /* find useless nonterminals and productions and reduce the grammar. In - file reduce.c */ + /* 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. */ + /* Record other info about the grammar. In files derives and + nullable. */ set_derives (); set_nullable (); - /* convert to nondeterministic finite state machine. In file LR0. + /* Convert to nondeterministic finite state machine. In file LR0. See state.h for more info. */ generate_states (); @@ -79,9 +82,18 @@ main (int argc, char *argv[]) lookahead is not enough to disambiguate the parsing. In file conflicts. Also resolve s/r conflicts based on precedence declarations. */ - initialize_conflicts (); + solve_conflicts (); + conflicts_print (); - /* Print information about results, if requested. */ + /* Output file names. */ + compute_output_file_names (); + + /* Stop if there were errors, to avoid trashing previous output + files. */ + if (complain_message_count) + exit (1); + + /* Output the detailed report on the grammar. */ print_results (); /* Output the VCG graph. */ @@ -90,14 +102,22 @@ main (int argc, char *argv[]) /* Output the tables and the parser to ftable. In file output. */ output (); + /* Close the input files. */ + close_files (); + + /* Free the symbol table data structure. */ + free_symtab (); + + lex_free (); + + reduce_free (); free_conflicts (); free_nullable (); free_derives (); - if (!complain_message_count) - output_files (); + output_files (); - exit (complain_message_count ? 1 : 0); + return complain_message_count ? EXIT_FAILURE : EXIT_SUCCESS; } /* Abort for an internal error denoted by string S. */