# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# We want a recent Autotest.
m4_version_prereq([2.58])
[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
m4_pushdef([AT_SKEL_JAVA_IF],
[m4_bmatch([$3], [%language "[Jj][Aa][Vv][Aa]"\|%skeleton "[a-z0-9]+\.java"], [$1], [$2])])
+m4_pushdef([AT_LANG],
+[AT_SKEL_JAVA_IF([java],
+ [AT_SKEL_CC_IF([c++],
+ [c])])])
m4_pushdef([AT_GLR_IF],
-[m4_bmatch([$3], [%glr-parser\|%skeleton "glr\.], [$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],
[m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
m4_pushdef([AT_NAME_PREFIX],
[m4_bmatch([$3], [%name-prefix ".*"],
- [m4_bregexp([$3], [name-prefix "\([^"]*\)"], [\1])],
+ [m4_bregexp([$3], [name-prefix "\([^""]*\)"], [\1])],
+ [yy])])
+m4_pushdef([AT_API_PREFIX],
+[m4_bmatch([$3], [%define api\.prefix ".*"],
+ [m4_bregexp([$3], [%define api\.prefix "\([^""]*\)"], [\1])],
[yy])])
# yyerror receives the location if %location & %pure & (%glr or %parse-param).
m4_pushdef([AT_YYERROR_ARG_LOC_IF],
m4_popdef([AT_PURE_LEX_IF])
m4_popdef([AT_YYERROR_SEES_LOC_IF])
m4_popdef([AT_YYERROR_ARG_LOC_IF])
+m4_popdef([AT_API_PREFIX])
m4_popdef([AT_NAME_PREFIX])
m4_popdef([AT_GLR_OR_PARAM_IF])
m4_popdef([AT_PURE_AND_LOC_IF])
m4_popdef([AT_YACC_IF])
m4_popdef([AT_GLR_IF])
m4_popdef([AT_SKEL_CC_IF])
+m4_popdef([AT_LANG])
m4_popdef([AT_SKEL_JAVA_IF])
m4_popdef([AT_GLR_CC_IF])
m4_popdef([AT_LALR1_CC_IF])
$2])
])
+# AT_YYLEX_DECLARE_EXTERN
+# AT_YYLEX_DECLARE
+# AT_YYLEX_DEFINE(INPUT-STRING, [ACTION])
+# ---------------------------------------
+m4_define([AT_YYLEX_DECLARE_EXTERN],
+[int AT_API_PREFIX[]lex (void);dnl
+])
+
+m4_define([AT_YYLEX_DECLARE],
+[static AT_YYLEX_DECLARE_EXTERN[]dnl
+])
+
+m4_define([AT_YYLEX_DEFINE],
+[[#include <stdlib.h> /* abort */
+static int
+]AT_API_PREFIX[lex (void)
+{
+ static char const input[] = "$1";
+ static size_t toknum = 0;
+ int res;
+ if (! (toknum < sizeof input))
+ abort ();
+ res = input[toknum++];
+ ]$2;[]AT_LOCATION_IF([[
+ ]AT_API_PREFIX[lloc.first_line = ]AT_API_PREFIX[lloc.last_line = 1;
+ ]AT_API_PREFIX[lloc.first_column = ]AT_API_PREFIX[lloc.last_column = toknum;]])[
+ return res;
+}]dnl
+])
+
+# AT_YYERROR_DECLARE_EXTERN
+# AT_YYERROR_DECLARE
+# AT_YYERROR_DEFINE
+# -------------------------
+# Beware that must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS
+# pair.
+m4_define([AT_YYERROR_DECLARE_EXTERN],
+[m4_case(AT_LANG,
+[c], [void AT_API_PREFIX[]error (const char *msg);])[]dnl
+])
+
+m4_define([AT_YYERROR_DECLARE],
+[m4_case(AT_LANG,
+[c], [static AT_YYERROR_DECLARE_EXTERN])[]dnl
+])
+
+m4_define([AT_YYERROR_DEFINE],
+[m4_case(AT_LANG,
+[c], [[#include <stdio.h>
+static void
+]AT_API_PREFIX[error (char const *msg)
+{
+ fprintf (stderr, "%s\n", msg);
+}]],
+[c++], [[void
+]AT_NAME_PREFIX[::parser::error (const yy::location &, std::string const &msg)
+{
+ std::cerr << msg << std::endl;
+}]],
+[java], [[public void yyerror (String msg)
+{
+ System.err.println (msg);
+}]])])
+
+
+## --------------- ##
+## Running Bison. ##
+## --------------- ##
+
# AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
# -------------------------------------------------
# Check Bison by invoking `bison BISON_ARGS'. BISON_ARGS should not contain
# is not installed.
m4_define([AT_JAVA_COMPILE],
[AT_KEYWORDS(java)
-AT_CHECK([[test -n "$CONF_JAVA" || exit 77
- test -n "$CONF_JAVAC" || exit 77]])
+AT_SKIP_IF([[test -z "$CONF_JAVA$CONF_JAVAC"]])
AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
[[0]], [ignore], [ignore])])
+# AT_LANG_COMPILE(OUTPUT, [SOURCES = OUTPUT.c]
+# --------------------------------------------
+m4_define([AT_LANG_COMPILE],
+[m4_case(AT_LANG,
+[c], [AT_COMPILE([$1], [$2])],
+[c++], [AT_COMPILE_CXX([$1], [$2])],
+[java], [AT_JAVA_COMPILE([$1.java], [$2])],
+ [m4_fatal([unknown language: ]m4_defn([AT_LANG]))])[]dnl
+])
+
# AT_FULL_COMPILE(OUTPUT, [OTHER1], [OTHER2])
# -------------------------------------------
# Compile OUTPUT.y to OUTPUT.c, OUTPUT.cc, or OUTPUT.java, and then
# OUTPUT-OTHER.c, OUTPUT-OTHER.cc, or OUTPUT-OTHER.java to OUTPUT or
# OUTPUT.java along with it. Relies on AT_SKEL_CC_IF and
# AT_SKEL_JAVA_IF.
-m4_define([AT_FULL_COMPILE], [
- AT_SKEL_JAVA_IF([
- AT_BISON_CHECK([-o $1.java $1.y])
- AT_JAVA_COMPILE([$1.java],
- m4_join([ ],
- [$1.java],
- m4_ifval($2, [[$1-$2.java]]),
- m4_ifval($3, [[$1-$3.java]])))
- ], [
- AT_SKEL_CC_IF([
- AT_BISON_CHECK([-o $1.cc $1.y])
- AT_COMPILE_CXX([$1],
- m4_join([ ],
- [$1.cc],
- m4_ifval($2, [[$1-$2.cc]]),
- m4_ifval($3, [[$1-$3.cc]])))
- ], [
- AT_BISON_CHECK([-o $1.c $1.y])
- AT_COMPILE([$1],
- m4_join([ ],
- [$1.c],
- m4_ifval($2, [[$1-$2.c]]),
- m4_ifval($3, [[$1-$3.c]])))
- ])
- ])
+m4_define([AT_FULL_COMPILE],
+[m4_case(AT_LANG,
+[java],
+ [AT_BISON_CHECK([-o $1.java $1.y])
+ AT_LANG_COMPILE([$1],
+ m4_join([ ],
+ [$1.java],
+ m4_ifval($2, [[$1-$2.java]]),
+ m4_ifval($3, [[$1-$3.java]])))],
+[c++],
+ [AT_BISON_CHECK([-o $1.cc $1.y])
+ AT_LANG_COMPILE([$1],
+ m4_join([ ],
+ [$1.cc],
+ m4_ifval($2, [[$1-$2.cc]]),
+ m4_ifval($3, [[$1-$3.cc]])))],
+[c],
+ [AT_BISON_CHECK([-o $1.c $1.y])
+ AT_LANG_COMPILE([$1],
+ m4_join([ ],
+ [$1.c],
+ m4_ifval($2, [[$1-$2.c]]),
+ m4_ifval($3, [[$1-$3.c]])))])
])
[m4_pushdef([AT_COND_CASE], [m4_case([$2], $][@)])
AT_SETUP([$1])
-
+AT_BISON_OPTION_PUSHDEFS([$4])
AT_DATA_GRAMMAR([[input.y]],
[[%code {
#include <stdio.h>
- static void yyerror (char const *msg);
- static int yylex (void);
+ ]AT_YYERROR_DECLARE[
+ ]AT_YYLEX_DECLARE[
}
]$4[
]$5[
%%
-
-static void
-yyerror (char const *msg)
-{
- fprintf (stderr, "%s\n", msg);
-}
-
+]AT_YYERROR_DEFINE[
static int
yylex (void)
{
m4_ifval([$11], [m4_dquote($11)]),
m4_ifval([$12], [m4_dquote($12)]))
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
m4_popdef([AT_COND_CASE])])
projects / bison.git / blobdiff