# 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])
# AT_BISON_OPTION_PUSHDEFS([BISON-OPTIONS])
# -----------------------------------------
m4_define([AT_BISON_OPTION_PUSHDEFS],
-[_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])])
+[m4_divert_text([KILL],
+ [_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])])])
# _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS])
# --------------------------------------------------
# This macro works around the impossibility to define macros
# inside macros, because issuing `[$1]' is not possible in M4 :(.
-# This sucks hard, GNU M4 should really provide M5 like $$1.
+# This sucks hard, GNU M4 should really provide M5-like $$1.
m4_define([_AT_BISON_OPTION_PUSHDEFS],
[m4_if([$1$2], $[1]$[2], [],
[m4_fatal([$0: Invalid arguments: $@])])dnl
[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_pushdef([AT_LALR1_CC_IF],
m4_pushdef([AT_GLR_OR_PARAM_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_bmatch([$3], [\(%define api\.prefix\|%name-prefix\) ".*"],
+ [m4_bregexp([$3], [\(%define api\.prefix\|%name-prefix\) "\([^""]*\)"], [\2])],
+ [yy])])
+m4_pushdef([AT_TOKEN_PREFIX],
+[m4_bmatch([$3], [%define api.tokens.prefix ".*"],
+ [m4_bregexp([$3], [%define api.tokens.prefix "\(.*\)"], [\1])])])
+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],
[AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
- [$2])])
+ [$2])])
# yyerror always sees the locations (when activated), except if
# (yacc & pure & !param). FIXME: This is wrong. See the manual.
m4_pushdef([AT_YYERROR_SEES_LOC_IF],
[AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
- [$1])],
- [$1])],
- [$2])])
+ [$1])],
+ [$1])],
+ [$2])])
# The interface is pure: either because %define api.pure, or because we
# are using the C++ parsers.
m4_pushdef([AT_PURE_LEX_IF],
[AT_PURE_IF([$1],
- [AT_SKEL_CC_IF([$1], [$2])])])
+ [AT_SKEL_CC_IF([$1], [$2])])])
+
+m4_pushdef([AT_YYSTYPE],
+[AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::semantic_type]],
+ [[YYSTYPE]])])
+m4_pushdef([AT_YYLTYPE],
+[AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::location_type]],
+ [[YYLTYPE]])])
+
AT_PURE_LEX_IF(
[m4_pushdef([AT_LOC], [(*llocp)])
m4_pushdef([AT_VAL], [(*lvalp)])
- m4_pushdef([AT_LEX_FORMALS],
- [YYSTYPE *lvalp[]AT_LOCATION_IF([, YYLTYPE *llocp])])
- m4_pushdef([AT_LEX_ARGS],
- [lvalp[]AT_LOCATION_IF([, llocp])])
+ m4_pushdef([AT_YYLEX_FORMALS],
+ [AT_YYSTYPE *lvalp[]AT_LOCATION_IF([, AT_YYLTYPE *llocp])])
+ m4_pushdef([AT_YYLEX_ARGS],
+ [lvalp[]AT_LOCATION_IF([, llocp])])
m4_pushdef([AT_USE_LEX_ARGS],
- [(void) lvalp;AT_LOCATION_IF([(void) llocp])])
- m4_pushdef([AT_LEX_PRE_FORMALS],
- [AT_LEX_FORMALS, ])
- m4_pushdef([AT_LEX_PRE_ARGS],
- [AT_LEX_ARGS, ])
+ [(void) lvalp;AT_LOCATION_IF([(void) llocp])])
+ m4_pushdef([AT_YYLEX_PRE_FORMALS],
+ [AT_YYLEX_FORMALS, ])
+ m4_pushdef([AT_YYLEX_PRE_ARGS],
+ [AT_YYLEX_ARGS, ])
],
[m4_pushdef([AT_LOC], [[(]AT_NAME_PREFIX[lloc)]])
m4_pushdef([AT_VAL], [[(]AT_NAME_PREFIX[lval)]])
- m4_pushdef([AT_LEX_FORMALS], [void])
- m4_pushdef([AT_LEX_ARGS], [])
+ m4_pushdef([AT_YYLEX_FORMALS], [void])
+ m4_pushdef([AT_YYLEX_ARGS], [])
m4_pushdef([AT_USE_LEX_ARGS], [])
- m4_pushdef([AT_LEX_PRE_FORMALS], [])
- m4_pushdef([AT_LEX_PRE_ARGS], [])
+ m4_pushdef([AT_YYLEX_PRE_FORMALS], [])
+ m4_pushdef([AT_YYLEX_PRE_ARGS], [])
])
# Handle the different types of location components.
[AT_LOC_PUSHDEF([begin.line], [begin.column], [end.line], [end.column])])],
[AT_LOC_PUSHDEF([first_line], [first_column], [last_line], [last_column])])
+
+AT_GLR_IF([AT_KEYWORDS([glr])])
])# _AT_BISON_OPTION_PUSHDEFS
# AT_BISON_OPTION_POPDEFS
# -----------------------
m4_define([AT_BISON_OPTION_POPDEFS],
-[m4_popdef([AT_LEX_PRE_ARGS])
-m4_popdef([AT_LEX_PRE_FORMALS])
+[m4_divert_text([KILL],
+[m4_popdef([AT_YYLEX_PRE_ARGS])
+m4_popdef([AT_YYLEX_PRE_FORMALS])
m4_popdef([AT_USE_LEX_ARGS])
-m4_popdef([AT_LEX_ARGS])
-m4_popdef([AT_LEX_FORMALS])
+m4_popdef([AT_YYLEX_ARGS])
+m4_popdef([AT_YYLEX_FORMALS])
+m4_popdef([AT_YYLTYPE])
+m4_popdef([AT_YYSTYPE])
m4_popdef([AT_VAL])
m4_popdef([AT_LOC])
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])
m4_popdef([AT_DEFINES_IF])
-AT_LOC_POPDEF
+AT_LOC_POPDEF])dnl
])# AT_BISON_OPTION_POPDEFS
$2])
])
+# AT_YYLEX_PROTOTYPE
# AT_YYLEX_DECLARE_EXTERN
# AT_YYLEX_DECLARE
# AT_YYLEX_DEFINE(INPUT-STRING, [ACTION])
# ---------------------------------------
+m4_define([AT_YYLEX_PROTOTYPE],
+[int AT_NAME_PREFIX[]lex (]AT_YYLEX_FORMALS[)[]dnl
+])
+
m4_define([AT_YYLEX_DECLARE_EXTERN],
-[int yylex (void);dnl
+[AT_YYLEX_PROTOTYPE;dnl
])
m4_define([AT_YYLEX_DECLARE],
])
m4_define([AT_YYLEX_DEFINE],
-[[#include <stdlib.h> /* abort */
-static int
-yylex (void)
+[[#include <assert.h>
+static
+]AT_YYLEX_PROTOTYPE[
{
static char const input[] = "$1";
static size_t toknum = 0;
int res;
- if (! (toknum < sizeof input))
- abort ();
+ ]AT_USE_LEX_ARGS[;
+ assert (toknum < sizeof input);
res = input[toknum++];
- ]$2;[]AT_LOCATION_IF([[
- yylloc.first_line = yylloc.last_line = 1;
- yylloc.first_column = yylloc.last_column = toknum;]])[
+ ]$2[;]AT_LOCATION_IF([[
+ ]AT_LOC_FIRST_LINE[ = ]AT_LOC_LAST_LINE[ = 1;
+ ]AT_LOC_FIRST_COLUMN[ = ]AT_LOC_LAST_COLUMN[ = toknum;]])[
return res;
}]dnl
])
+# AT_YYERROR_PROTOTYPE
# AT_YYERROR_DECLARE_EXTERN
# AT_YYERROR_DECLARE
# AT_YYERROR_DEFINE
# -------------------------
-# Beware that must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS
-# pair.
+# Must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS pair.
+m4_define([AT_YYERROR_FORMALS],
+[m4_case(AT_LANG,
+[c], [AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])[const char *msg]])[]dnl
+])
+
+m4_define([AT_YYERROR_PROTOTYPE],
+[m4_case(AT_LANG,
+[c], [[void ]AT_NAME_PREFIX[error (]AT_YYERROR_FORMALS[)]])[]dnl
+])
+
m4_define([AT_YYERROR_DECLARE_EXTERN],
-[void yyerror (const char *msg);dnl
+[m4_case(AT_LANG,
+[c], [AT_YYERROR_PROTOTYPE;])[]dnl
])
m4_define([AT_YYERROR_DECLARE],
-[static AT_YYERROR_DECLARE_EXTERN[]dnl
+[m4_case(AT_LANG,
+[c], [static AT_YYERROR_DECLARE_EXTERN])[]dnl
])
m4_define([AT_YYERROR_DEFINE],
-[AT_SKEL_JAVA_IF([[
-public void yyerror (String msg)
+[m4_case(AT_LANG,
+[c], [[#include <stdio.h>
+/* A C error reporting function. */
+static
+]AT_YYERROR_PROTOTYPE[
{
- System.err.println (msg);
-}]], [AT_SKEL_CC_IF([[
+]AT_YYERROR_SEES_LOC_IF([[
+ fprintf (stderr, "%d.%d",
+ ]AT_LOC_FIRST_LINE[, ]AT_LOC_FIRST_COLUMN[);
+ if (]AT_LOC_FIRST_LINE[ != ]AT_LOC_LAST_LINE[)
+ fprintf (stderr, "-%d.%d",
+ ]AT_LOC_LAST_LINE[, ]AT_LOC_LAST_COLUMN[ - 1);
+ else if (]AT_LOC_FIRST_COLUMN[ != ]AT_LOC_LAST_COLUMN[ - 1)
+ fprintf (stderr, "-%d",
+ ]AT_LOC_LAST_COLUMN[ - 1);
+ fprintf (stderr, ": ");]])[
+ fprintf (stderr, "%s\n", msg);
+}]],
+[c++], [[/* A C++ error reporting function. */
void
-yy::parser::error (const yy::location &, std::string const &msg)
-{
- std::cerr << msg << std::endl;
-}]], [[
-#include <stdio.h>
-static void
-yyerror (char const *msg)
+]AT_NAME_PREFIX[::parser::error (]AT_LOCATION_IF([[const location_type& l, ]])[const std::string& m)
+{ std::cerr << ]AT_LOCATION_IF([l << ": " << ])[m << std::endl;
+}]],
+[java], [AT_LOCATION_IF([[public void yyerror (Calc.Location l, String s)
{
- fprintf (stderr, "%s\n", msg);
+ if (l == null)
+ System.err.println (s);
+ else
+ System.err.println (l + ": " + s);
+ }
+]], [[
+ public void yyerror (String s)
+ {
+ System.err.println (s);
}]])])dnl
])
+
## --------------- ##
## Running Bison. ##
## --------------- ##
# AT_COMPILE(OUTPUT, [SOURCES = OUTPUT.c])
# ----------------------------------------
-# Compile SOURCES into OUTPUT. If OUTPUT does not contain '.',
-# assume that we are linking too; this is a hack.
+# Compile SOURCES into OUTPUT.
+#
+# If OUTPUT does not contain '.', assume that we are linking too,
+# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
+# with trailing .o removed, and ".c" appended.
m4_define([AT_COMPILE],
-[AT_CHECK([$CC $CFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.c])[]m4_bmatch([$1], [[.]], [], [ $LIBS])],
- 0, [ignore], [ignore])])
+[AT_CHECK(m4_join([ ],
+ [$CC $CFLAGS $CPPFLAGS],
+ [m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
+ [-o $1],
+ [m4_default([$2], [m4_bpatsubst([$1], [\.o$]).c])],
+ [m4_bmatch([$1], [[.]], [], [$LIBS])]),
+ 0, [ignore], [ignore])])
# AT_COMPILE_CXX(OUTPUT, [SOURCES = OUTPUT.cc])
-# --------------------------------------------
-# Compile SOURCES into OUTPUT. If OUTPUT does not contain '.',
-# assume that we are linking too; this is a hack.
-# If the C++ compiler does not work, ignore the test.
+# ---------------------------------------------
+# Compile SOURCES into OUTPUT. If the C++ compiler does not work,
+# ignore the test.
+#
+# If OUTPUT does not contain '.', assume that we are linking too,
+# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
+# with trailing .o removed, and ".cc" appended.
m4_define([AT_COMPILE_CXX],
[AT_KEYWORDS(c++)
AT_CHECK([$BISON_CXX_WORKS], 0, ignore, ignore)
-AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS m4_bmatch([$1], [[.]], [], [$LDFLAGS ])-o $1 m4_default([$2], [$1.cc])[]m4_bmatch([$1], [[.]], [], [ $LIBS])],
- 0, [ignore], [ignore])])
+AT_CHECK(m4_join([ ],
+ [$CXX $CXXFLAGS $CPPFLAGS],
+ [m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
+ [-o $1],
+ [m4_default([$2], [m4_bpatsubst([$1], [\.o$]).cc])],
+ [m4_bmatch([$1], [[.]], [], [$LIBS])]),
+ 0, [ignore], [ignore])])
# AT_JAVA_COMPILE(SOURCES)
# ------------------------
# 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]
+# --------------------------------------------
+# Compile SOURCES into OUTPUT. Skip if compiler does not work.
+#
+# If OUTPUT does not contain '.', assume that we are linking too,
+# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
+# with trailing .o removed, and ".c"/".cc" appended.
+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_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]])))
- ], [
- AT_SKEL_CC_IF([
- AT_BISON_CHECK([-o $1.cc $1.y])
- AT_COMPILE_CXX([$1],
+ 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]])))
- ], [
- AT_BISON_CHECK([-o $1.c $1.y])
- AT_COMPILE([$1],
+ m4_ifval($3, [[$1-$3.cc]])))],
+[c],
+ [AT_BISON_CHECK([-o $1.c $1.y])
+ AT_LANG_COMPILE([$1],
m4_join([ ],
- [$1.c],
+ [$1.c],
m4_ifval($2, [[$1-$2.c]]),
- m4_ifval($3, [[$1-$3.c]])))
- ])
- ])
+ m4_ifval($3, [[$1-$3.c]])))])
])
projects / bison.git / blobdiff