* src/getargs.h (enum trace_e): New.
* src/getargs.c (trace_args, trace_types, trace_argmatch): New.
(long_options, short_options): --trace/-T takes an optional
argument.
Change all the uses of trace_flag to reflect the new flags.
* tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
Strengthen `stage' portability.
* m4/stage.m4 (BISON_PREREQ_STAGE): New.
* configure.in: Use it.
Don't check for malloc.h and sys/times.h.
* src/system.h: Include them when appropriate.
* src/main.c (stage): Compile only when mallinfo, struct mallinfo,
times and struct tms are available.
* src/LR0.c (new_state): Set it to 0.
* src/conflicts.h, src/conflicts.c (print_conflicts)
(free_conflicts, solve_conflicts): Rename as...
(conflicts_print, conflicts_free, conflicts_solve): these.
Adjust callers.
* src/conflicts.c (enum conflict_resolution_e)
(solved_conflicts_obstack): New, used by...
(log_resolution): this.
Adjust to attach the conflict resolution to each state.
Complete the description with the precedence/associativity
information.
(resolve_sr_conflict): Adjust.
* src/print.c (print_state): Output its solved_conflicts.
* tests/conflicts.at (Unresolved SR Conflicts)
(Solved SR Conflicts): Exercise --report=all.
(Tracing): this new section, its former contents, and...
(Understanding): this new section.
* src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
by...
(report_flag): this.
Adjust all dependencies.
(report_args, report_types, report_argmatch): New.
(usage, getargs): Report/support -r, --report.
* src/options.h
(struct option_table_struct): Rename as..,
(struct option_table_s): this.
Rename the `set_flag' member to `flag' to match with getopt_long's
struct.
* src/options.c (option_table): Split verbose into an entry for
%verbose, and another for --verbose.
Support --report/-r, so remove -r from the obsolete --raw.
* src/print.c: Attach full item sets and lookaheads reports to
report_flag instead of trace_flag.
* lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
* src/output.c (error_verbose): Define here.
(prepare): Echo name modification.
* src/getargs.h: Clean its extern declaration.
* src/getargs.c (error_verbose_flag): Remove.
(getargs): Remove case 'e'.
* src/options.c (option_table): 'error-verbose' is now seen as simple
percent option.
Include output.h.
* src/reader.c (read_declarations): Remove case tok_include.
(parse_include_decl): Remove.
* src/lex.h (token_t): Remove tok_include.
* src/options.c (option_table): 'include' is now a simple command line
option.
Use %%error_verbose.
(yyparse): Likewise.
* src/output.c (prepare): Give its final value.
* src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
* src/getargs.h: Add its extern declaration.
* src/getargs.c (error_verbose_flag): New int.
(getargs): Update to catch new case.
* src/options.c (option_table): 'error-verbose' is a new option.
(shortopts): Update.
(read_declarations): Add case tok_include.
* src/getargs.h (include): Add its extern definition.
* src/getargs.c (include): New const char *.
(getargs): Add case '-I'.
* src/options.c (option_table): Add include as command line and
percent option.
* src/lex.h (token_t): Add tok_include.
Using option ``-g'' or long option ``--graph'', you can generate
a gram_filename.vcg file containing a VCG description of the LALR (1)
automaton of your grammar.
* src/main.c: Call to print_graph() function.
* src/getargs.h: Update.
* src/getargs.c (options): Update to catch `-g' and `--graph' options.
(graph_flag): New flag.
(longopts): Update.
(getargs): Add case `g'.
* src/files.c (graph_obstack): New obstack struct.
(open_files): Initialize new obstack.
(output_files): Saves graph_obstack if required.
* src/files.h (graph_obstack): New extern declaration.
* src/Makefile.am: Add new source files.
* src/getargs.c: Die on `-r'/`--raw'.
* src/lex.c (parse_percent_token): Die on `%raw'.
* src/reader.c (output_token_defines): Suppress call to `raw_flag'.
* tests/calc.at: Suppress test with option `--raw'.
messages. Nevertheless, it is enabled only when `@n' is used in
the grammar, which is a different issue (you can use it in error
message, but not in the grammar per se). Therefore, there should
be another means to enable it.
* src/getargs.c (getargs): Support `--locations'.
(usage): Report it.
* src/getargs.h (locationsflag): Export it.
* src/lex.c (percent_table): Support `%locations'.
* src/reader.c (yylsp_needed): Remove this variable, now replaced
with `locationsflag'.
* doc/bison.texinfo: Document `--locations' and `%locations'.
Sort the options.
* tests/calc.m4: Test it.
For regularity of the names, replace each
(nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
(no_lineflag, token_tableflag, rawflag, no_parserflag): this.
In addition replace each `flag' with `_flag'.
(first_reduction): Move their exportation from here...
* src/LR0.h: to here.
Adjust dependencies.
* src/getargs.c (statisticsflag): New variable.
Add support for `--statistics'.
Adjust dependencies.
Remove a lot of now useless `extern' statements in most files.
Propagate its use.
* src/print.c: Formatting and ordering changes.
(verbose, terse): Replace with...
(print_results): this new function.
Adjust dependencies.
* src/machine.h: Remove, leaving its contents in...
* src/system.h: here.
Include stdio.h.
Adjust all dependencies on stdio.h and machine.h.
* src/getargs.h: New file.
Let all `extern' declarations about getargs.c be replaced with
inclusion of `getargs.h'.
* src/Makefile.am (noinst_HEADERS): Adjust.
* tests/calc.m4 (yyin): Be initialized in main, not on the global
scope.
(yyerror): Returns void, not int.
* doc/bison.texinfo: Formatting changes.
