* src/getargs.c (skeleton_arg): Last arg is now location const *.

Rewrite to simplify the logic.
(language_argmatch): Likewise.

* doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
Java is supported.
* src/complain.c (program_name): Remove decl; no longer needed.
* src/main.c (program_name): Remove; now belongs to getargs.

2006-12-18  Paolo Bonzini  <bonzini@gnu.org>

* NEWS: Document %language.

* data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.

* data/c-skel.m4, data/c++-skel.m4: New files.
* data/glr.c: Complain on push parsers.

* doc/bison.texinfo (C++ Parser Interface): Prefer %language
over %skeleton.
(Directives): Document %language and %skeleton.
(Command line): Document -L.

* examples/extexi: Rewrite %require directive.
* examples/calc++/Makefile.am: Pass VERSION to extexi.

* src/files.c (compute_exts_from_gc): Look in language structure
for .y extension.
(compute_file_name_parts): Check whether .tab should be added.
* src/getargs.c (valid_languages, skeleton_prio, language_prio):
(language, skeleton_arg, language_argmatch): New.
(long_options): Add --language.
(getargs): Use skeleton_arg, add -L/--language.
* src/getargs.h: Include location.h.
(struct bison_language, language, skeleton_arg, language_argmatch): New.
* src/output.c (prepare): Pick default skeleton from struct language.
Don't dispatch C skeletons here.
* src/parse-gram.y (PERCENT_LANGUAGE): New.
(prologue_declaration): Add "%language" rule, use skeleton_arg.
* src/scan-gram.l ("%language"): New rule.

* tests/calc.at: Test %skeleton and %language.
* tests/local.at (AT_SKEL_CC_IF): Look for %language.
(AT_GLR_IF): Look for %skeleton "glr.cc".
(AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
(AT_YACC_IF): Reject %language.

2006-12-18  Paul Eggert  <eggert@cs.ucla.edu>
This commit is contained in:
Paul Eggert
2006-12-19 00:34:37 +00:00
parent db06f0ce72
commit 0e021770cc
19 changed files with 287 additions and 51 deletions

View File

@@ -628,12 +628,15 @@ AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-
AT_BANNER([[Simple LALR(1) C++ Calculator.]])
# First let's try using %skeleton
AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations])
# AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
# ---------------------------------------
# Start a testing chunk which compiles `calc' grammar with
# the C++ skeleton, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_LALR1_CC],
[AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations] $@)])
[AT_CHECK_CALC([%language "C++" %defines %locations] $@)])
AT_CHECK_CALC_LALR1_CC([])
AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
@@ -652,12 +655,15 @@ AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %
AT_BANNER([[Simple GLR C++ Calculator.]])
# Again, we try also using %skeleton.
AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations])
# AT_CHECK_CALC_GLR_CC([BISON-OPTIONS])
# -------------------------------------
# Start a testing chunk which compiles `calc' grammar with
# the GLR C++ skeleton, and performs several tests over the parser.
m4_define([AT_CHECK_CALC_GLR_CC],
[AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations] $@)])
[AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
AT_CHECK_CALC_GLR_CC([])
AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])

View File

@@ -41,17 +41,17 @@ m4_define([AT_BISON_OPTION_PUSHDEFS],
m4_define([_AT_BISON_OPTION_PUSHDEFS],
[m4_if([$1$2], $[1]$[2], [],
[m4_fatal([$0: Invalid arguments: $@])])dnl
m4_pushdef([AT_LALR1_CC_IF],
[m4_bmatch([$3], ["lalr1.cc"], [$1], [$2])])
m4_pushdef([AT_GLR_CC_IF],
[m4_bmatch([$3], ["glr.cc"], [$1], [$2])])
m4_pushdef([AT_SKEL_CC_IF],
[m4_bmatch([$3], ["\(glr\|lalr1\).cc"], [$1], [$2])])
[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
m4_pushdef([AT_GLR_IF],
[m4_bmatch([$3], [%glr-parser], [$1], [$2])])
[m4_bmatch([$3], [%glr-parser\|%skeleton "glr\.], [$1], [$2])])
m4_pushdef([AT_LALR1_CC_IF],
[AT_SKEL_CC_IF([AT_GLR_IF([$2], [$1])], [$2])])
m4_pushdef([AT_GLR_CC_IF],
[AT_SKEL_CC_IF([AT_GLR_IF([$1], [$2])], [$2])])
# Using yacc.c?
m4_pushdef([AT_YACC_IF],
[m4_bmatch([$3], [%glr-parser\|%skeleton], [$2], [$1])])
[m4_bmatch([$3], [%language\|%glr-parser\|%skeleton], [$2], [$1])])
m4_pushdef([AT_PARAM_IF],
[m4_bmatch([$3], [%parse-param], [$1], [$2])])
m4_pushdef([AT_LOCATION_IF],