Paul Eggert [Sat, 30 Nov 2002 07:42:37 +0000 (07:42 +0000)]
Emphasize that yylex and yyerror must be declared before being used.
E.g., one should typically declare them in the prologue. Use GNU
coding style in examples. Put "const" consistently after the type it
modifies. Mention that C99 supports "inline". Mention that yyerror
traditionally returns "int".
Paul Eggert [Fri, 29 Nov 2002 08:43:12 +0000 (08:43 +0000)]
(Parser Function, Pure Calling, Error Reporting, Table of Symbols):
%parse-param and %lex-param now take just one argument, the
declaration; the argument name is deduced from the declaration.
Paul Eggert [Wed, 27 Nov 2002 18:34:14 +0000 (18:34 +0000)]
(STEP): Renamed from YY_STEP. All uses changed.
(STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
(STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
(STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
Paul Eggert [Wed, 27 Nov 2002 18:33:18 +0000 (18:33 +0000)]
(print_token_value): Renamed from yyprint.
All uses changed.
(YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
The name "yycontrol" violates the name space rules, and this stuff
wasn't being used anyway.
(input): Remove action; this stuff wasn't being used.
(gram_error): Rename local variable yylloc -> loc.
Paul Eggert [Wed, 27 Nov 2002 18:31:27 +0000 (18:31 +0000)]
(_AT_CHECK_PRINTER_AND_DESTRUCTOR): yyout -> yyoutput,
to avoid collision with lex macro described by Bruce Lilly in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001929.html>.
Paul Eggert [Wed, 27 Nov 2002 18:30:50 +0000 (18:30 +0000)]
(b4_yysymprint_generate): yyout -> yyoutput,
to avoid collision with lex macro described by Bruce Lilly in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001929.html>.
Paul Eggert [Mon, 25 Nov 2002 07:36:54 +0000 (07:36 +0000)]
(Actions after errors): Use an output format
more similar to that of the Printers and Destructors test.
Test the position of the ';' token too.
(Printers and Destructors): Likewise.
(Printers and Destructors: %glr-parser): Remove for now, to avoid
unnecessarily alarming people when the test fails.
Paul Eggert [Mon, 25 Nov 2002 06:42:10 +0000 (06:42 +0000)]
(yyerrlab1): Move this label down, so that the
parser does not discard the lookahead token if the user code
invokes YYERROR. This change is required for POSIX conformance.
Paul Eggert [Thu, 21 Nov 2002 07:37:24 +0000 (07:37 +0000)]
* lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
Avoid use of <assert.h>, as the GNU Coding Standards hint that one
should use `if (! x) abort ();' rather than `assert (x);', and
anyway it's one less thing to worry about configuring.
Paul Eggert [Tue, 19 Nov 2002 09:33:21 +0000 (09:33 +0000)]
* data/glr.c (yygetLRActions): Replace `yyindex' with
`yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
This fixes the regression with Sun ONE Studio 7 cc that I reported in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001892.html>.
Paul Eggert [Tue, 19 Nov 2002 07:35:29 +0000 (07:35 +0000)]
(yygetLRActions): Replace `yyindex' with
`yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
This fixes the regression with Sun ONE Studio 7 cc that I reported in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001892.html>.
Paul Eggert [Mon, 18 Nov 2002 07:51:47 +0000 (07:51 +0000)]
(YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do not define to
{}, since this breaks the common use of `YYDPRINTF ((...));' if a
single statement is desired (e.g. before `else'). Work around GCC
warnings by surrounding corresponding calls with {} if needed.
(yyhasResolvedValue): Remove unused function.
(yymergeOptionSets, yyresolvStack): Use `continue;' for empty
loop body.
(yyreportSyntaxError): Renamed from yyreportParseError.
(yyrecoverSyntaxError): Renamed from yyrecoverParseError.
All uses changed.
Akim Demaille [Sat, 16 Nov 2002 12:32:27 +0000 (12:32 +0000)]
Augment the similarity between GLR and LALR traces.
* data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
(YY_REDUCE_PRINT): New.
(yyparse): Use them.
* data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
YYDPRINT here.
(yyglrReduce, yyrecoverParseError, yyparse): Don't report the
state reached after the reduction/recovery, since...
(yyparse, yyprocessOneStack): Report the state we are entering in.
Akim Demaille [Sat, 16 Nov 2002 12:31:36 +0000 (12:31 +0000)]
* src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
Add support for --trace=skeleton.
* src/scan-skel.l: %option debug.
Scan strings of non-@ or n instead of character by character.
(scan_skel): Handle trace_skeleton.
(QPUTS): New.
(@output_parser_name@, @output_header_name@): ``Restore'' their
support (used to be M4 macros).
* data/yacc.c: Quote larger chunks, a la glr.c.
* data/lalr1.cc: Likewise.
The header guards are no longer available, so use some other
string than `YYLSP_NEEDED'.
Akim Demaille [Sat, 16 Nov 2002 12:30:23 +0000 (12:30 +0000)]
Make the ``Printers and Destructors'' test more verbose, taking
`yacc.c''s behavior as (possibly wrong) reference.
* tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
instead of fprint on stdout.
Set and report the last_line of the symbols.
Consistently display values and locations.
Akim Demaille [Fri, 15 Nov 2002 16:42:16 +0000 (16:42 +0000)]
* src/parse-gram.y (declaration): Have %parse-param and %lex-param
take two BRACED_CODE, not two string_content.
Free the scanner's obstack when we are done.
(code_content): New.
* tests/calc.at: Adjust.
* doc/bison.texinfo: Adjust.
Also, make sure to include the `,' for these declarations.
Akim Demaille [Fri, 15 Nov 2002 09:04:37 +0000 (09:04 +0000)]
2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
* src/.cvsignore: Add src-gram.c.
* tests/.cvsignore: Add atlocal.
* config/.cvsignore, m4/.cvsignore, po/.cvsignore:
Add several files that autoreconf may bring in during
bootstrap.
Akim Demaille [Fri, 15 Nov 2002 08:56:40 +0000 (08:56 +0000)]
Always check the value returned by yyparse.
* tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
returned by yyparse.
(_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
Adjust calls.
* tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
returned by yyparse.
Paul Eggert [Thu, 14 Nov 2002 23:08:27 +0000 (23:08 +0000)]
* tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
"$CC -E foo.h" is allowed, as this doesn't work with the Portland
Group compiler. Instead, use "$CC -E bar.c". Include the .h
file twice in the grammar, as an extra check.
* tests/input.at (Torturing the Scanner): Surround the
backslash-newline tests with "#if 0", to make it less likely that
we'll run into compiler bugs. Bring back solitary \ inside
comment, but add a closing comment to work around HP C bug. Don't
test backslash-newline in C character constant. This should fix
the input.at bug reported by Nelson H. F. Beebe in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001893.html>.
Paul Eggert [Thu, 14 Nov 2002 23:08:01 +0000 (23:08 +0000)]
(AT_TEST_CPP_GUARD_H): Don't assume that "$CC -E foo.h" is allowed, as
this doesn't work with the Portland Group compiler. Instead, use "$CC
-E bar.c". Include the .h file twice in the grammar, as an extra
check.
Paul Eggert [Thu, 14 Nov 2002 22:53:47 +0000 (22:53 +0000)]
(Torturing the Scanner): Surround the backslash-newline tests with
"#if 0", to make it less likely that we'll run into compiler bugs.
Bring back solitary \ inside comment, but add a closing comment to
work around HP C bug. Don't test backslash-newline in C character
constant. This should fix the input.at bug reported by Nelson
H. F. Beebe in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001893.html>.
Akim Demaille [Thu, 14 Nov 2002 11:09:51 +0000 (11:09 +0000)]
* tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
status of the compiler.
Calling `exit 1' is no longer needed.
Reported by Nelson H. F. Beebe.
Akim Demaille [Thu, 14 Nov 2002 09:58:01 +0000 (09:58 +0000)]
* tests/atlocal.in (CPPFLAGS): We have config.h.
* tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
New.
* tests/actions.at, tests/calc.at, tests/conflicts.at,
* tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
* tests/regression.at, tests/torture.at: Use them for all the
grammars that are to be compiled.
* tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
* tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
* doc/bison.texinfo (GLR Parsers): Document `inline'.
Akim Demaille [Thu, 14 Nov 2002 08:32:10 +0000 (08:32 +0000)]
* doc/bison.texinfo: Various formatting changes (alignments in
samples, additional @group/@end group, GCS in samples.
Use @deffn instead of simple @table to define the directives,
macros, variables etc.
Paul Eggert [Wed, 13 Nov 2002 07:46:19 +0000 (07:46 +0000)]
(yydoAction): Return YYRESULTTAG, not int.
(yyglrReduce): Return yyok, not 0.
This should avoid the enumerated-type warnings reported
by Nelson H. F. Beebe in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001872.html>.
Paul Eggert [Wed, 13 Nov 2002 06:48:18 +0000 (06:48 +0000)]
(inline): Remove #define. It's the user's responsibility to #define
it away, just like 'const'. This fixes one of the bugs reported by
Nelson H.F. Beebe in
<http://mail.gnu.org/pipermail/bug-bison/2002-November/001873.html>.