(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.
value for the error token, i.e., it will be assigned another
number if the user assigned 256 to one of her tokens.
(reader): Don't force 256 to error.
* doc/bison.texinfo (Symbols): Adjust.
* tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
(AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
etc. instead of 10, 20, 30 (which was used to `jump' over error
(256) and undefined (2)).
as Lex/Flex'.
(Debugging): More details about enabling the debugging features.
(Table of Symbols): Describe $$, $n, @$, and @n.
Suggested by Tim Josling.
(Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
(Symbols): Warn about running Bison in one character set,
but compiling and/or running in an incompatible one.
Warn about character code 256, too.
* src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
Adjust all dependencies.
* tests/headers.at (export YYLTYPE): Strengthen this test: use
%name-prefix.
Renaming yylval but not yylloc is not consistent. Now we do.
* src/bison.simple: Prefix yylloc if used.
* doc/bison.texinfo (Decl Summary): Document that.
* doc/bison.texinfo (Bison Parser): Discuss system headers
and their effect on the user name space.
* src/bison.simple:
(YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
(YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
on user names when possible.
(YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
Simplify test for whather <alloca.h> exists.
(<stdlib.h>): Include if we will use malloc, and if standard C or C++.
(<stdio.h>): Include if YYDEBUG.
(yymemcpy): Renamed from __yy_memcpy. Do not define unless
! defined (yyoverflow) && ! defined (yymemcpy).
(yymemcpy, yyparse): Rename local variables as needed so that
they all begin with 'yy'.
(yystrlen, yystpcpy): New functions.
(YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
All uses changed.
(yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
instead of relying on string.h functions. Use YYSTACK_ALLOC
and YYSTACK_FREE instead of malloc and free.
Use @kbd to denote user input.
(Language and Grammar): ANSIfy the example.
Adjust its layout for info/notinfo.
(Location Tracking Calc): Output error messages to stderr.
Output locations in a more GNUtically correct way.
Fix a couple of Englishos.
Adjust @group/@end group pairs.
* src/conflicts.c (expected_conflicts): Set to -1.
(conflict_report): Use ngettext.
(conflicts_print): Check %expect and make its violation an error.
* doc/bison.texinfo (Expect Decl): Adjust.
* configure.in (AM_GNU_GETTEXT): Ask for ngettext.
* tests/regression.at (%expect not enough, %expect right)
(%expect too much): New.
`directives for grammars' and `directives for bison'.
Sort'em.
Add description of `%name-prefix', `file-prefix', and `output'.
Promote `-' over `_' in directive names.
(Bison Options): s/%locactions/%locations/. Nice Freudian slip.
Simplify the description of `--name-prefix'.
Promote `-' over `_' in directive names.
Promote `--output' over `--output-file'.
Fix the description of `--defines'.
* tests/output.at: Exercise %file-prefix and %output.
* doc/bison.1 (mandoc): Update.
* src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
* src/files.c: Support output files extensions computing.
(src_extension): New static variable.
(header_extension): New static variable.
(tr): New function.
(get_extension_index): New function, gets the index of an extension
filename in a string.
(compute_exts_from_gf): New function, computes extensions from the
grammar file extension.
(compute_exts_from_src): New functions, computes extensions from the
C source file extension, file given by ``-o'' option.
(compute_base_names): Update.
(output_files): Update.
* 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'.
* src/lex.c (percent_table): Also accept `%yacc',
`%fixed_output_files', `%defines', `%no_parser', `%verbose', and
`%debug'.
Handle the actions for `%semantic_parser' and `%pure_parser' here,
instead of returning a token.
* src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
* src/reader.c (read_declarations): Adjust.
* src/files.c (open_files): Don't call `compute_base_names', don't
compute `attrsfile' since they depend upon data which might be
*in* the input file now.
(output_files): Do it here.
* src/output.c (output_headers): Document the fact that this patch
introduces a guaranteed SEGV for semantic parsers.
* doc/bison.texinfo: Document them.
* tests/suite.at: Exercise these %options.
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'.
* 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.
