yacc.c: initialize yylval and yylloc.

[bison.git] / src / Makefile.am

diff --git a/src/Makefile.am b/src/Makefile.am
index 7b67e8e3a15a2b0146f9c94b2efa5d03f9e15c12..511b9058a46b0ce6714f32d97b7226acbba4654d 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,76 +1,117 @@
-## Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+# Make bison/src.

 
 

-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
+# Copyright (C) 2001-2012 Free Software Foundation, Inc.

 
 

-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.

 
 

-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-## 02111-1307  USA
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
+AM_CPPFLAGS = -I$(top_srcdir)/lib
+BISON = ../tests/bison
+# Use our own Bison to build the parser.  Of course, you ought to
+# keep a sane version of Bison nearby...
+YACC = $(BISON) -y
+AM_YFLAGS = -d -v --warnings=all,error --report=all

 
 

-AUTOMAKE_OPTIONS = ../lib/ansi2knr
+LDADD = ../lib/libbison.a $(LIBINTL)

 
 

-DEFS = @DEFS@ \
-  -DPKGDATADIR=\"$(pkgdatadir)\" \
-  -DLOCALEDIR=\"$(datadir)/locale\"
-
-CFLAGS = @CFLAGS@ $(WARNING_CFLAGS) $(WERROR_CFLAGS)
-YFLAGS = "-dv"
+bin_PROGRAMS = bison
+bin_SCRIPTS = $(YACC_SCRIPT)
+EXTRA_SCRIPTS = yacc

 
 

-# libintl.h in is build/intl, intl/libgettext.h in src/,
-# config.h in build/.
-INCLUDES = -I$(top_builddir)/intl \
-           -I$(top_builddir)      \
-           -I$(top_srcdir)/intl \
-           -I$(top_srcdir)/lib
+bison_SOURCES =                                 \
+  AnnotationList.c AnnotationList.h             \
+  InadequacyList.c InadequacyList.h             \
+  LR0.c LR0.h                                   \
+  Sbitset.c Sbitset.h                           \
+  assoc.c assoc.h                               \
+  closure.c closure.h                           \
+  complain.c complain.h                         \
+  conflicts.c conflicts.h                       \
+  derives.c derives.h                           \
+  files.c files.h                               \
+  flex-scanner.h                                \
+  getargs.c getargs.h                           \
+  gram.c gram.h                                 \
+  lalr.h lalr.c                                 \
+  ielr.h ielr.c                                 \
+  location.c location.h                         \
+  main.c                                        \
+  muscle-tab.c muscle-tab.h                     \
+  named-ref.c named-ref.h                       \
+  nullable.c nullable.h                         \
+  output.c output.h                             \
+  parse-gram.y                                  \
+  print.c print.h                               \
+  print_graph.c print_graph.h                   \
+  print-xml.c print-xml.h                       \
+  reader.c reader.h                             \
+  reduce.c reduce.h                             \
+  relation.c relation.h                         \
+  scan-code.h scan-code-c.c                     \
+  scan-gram.h scan-gram-c.c                     \
+  scan-skel.h scan-skel-c.c                     \
+  state.c state.h                               \
+  symlist.c symlist.h                           \
+  symtab.c symtab.h                             \
+  system.h                                      \
+  tables.h tables.c                             \
+  uniqstr.c uniqstr.h                           \
+  graphviz.c graphviz.h

 
 

-LDADD = $(INTLLIBS) ../lib/libbison.a
+EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l

 
 

-bin_PROGRAMS = bison
+BUILT_SOURCES =                                 \
+  parse-gram.c parse-gram.h                     \
+  scan-code.c                                   \
+  scan-skel.c                                   \
+  scan-gram.c

 
 

-bison_SOURCES =                                  \
-       LR0.c LR0.h                               \
-       closure.c closure.h                       \
-       complain.c complain.h                     \
-       conflicts.c conflicts.h                   \
-       derives.c derives.h                       \
-       files.c files.h                           \
-       getargs.c getargs.h                       \
-       gram.c gram.h                             \
-       lalr.h lalr.c                             \
-       location.c location.h                     \
-       main.c                                    \
-       muscle_tab.c muscle_tab.h                 \
-       nullable.c nullable.h                     \
-       output.c output.h                         \
-       parse-gram.h parse-gram.y                 \
-       print.c print.h                           \
-       print_graph.c print_graph.h               \
-       reader.c reader.h                         \
-       reduce.c reduce.h                         \
-       relation.c relation.h                     \
-       scan-gram.l                               \
-       scan-skel.l                               \
-       state.c state.h                           \
-       symlist.c symlist.h                       \
-       symtab.c symtab.h                         \
-       system.h                                  \
-       types.h                                   \
-       vcg.c vcg.h                               \
-       vcg_defaults.h
+MOSTLYCLEANFILES = yacc

 
 

-BUILT_SOURCES = scan-skel.c scan-gram.c parse-gram.c parse-gram.h
+yacc:
+       $(AM_V_GEN)echo '#! /bin/sh' >$@
+       $(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
+       $(AM_V_at)chmod a+x $@

 
 

-EXTRA_bison_SOURCES = vmsgetargs.c

 
 

-EXTRA_DIST = build.com bison.cld vmshlp.mar
+# The following rule is not designed to be portable,
+# and relies on tools that not everyone has.

 
 

-echo:
-       echo $(bison_SOURCES) $(noinst_HEADERS)
+# Most functions in src/*.c should have static scope.
+# Any that don't must be marked with `extern', but `main'
+# and `usage' are exceptions.  They're always extern, but
+# don't need to be marked.
+#
+# The second nm|grep checks for file-scope variables with `extern' scope.
+sc_tight_scope: $(all_programs)
+       @t=exceptions-$$$$;                                             \
+       trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15;                  \
+       ( printf '^main$$\n^usage$$\n';                                 \
+         grep -h -A1 '^extern .*[^;]$$' $(SOURCES)                     \
+           | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \
+       if nm -e *.$(OBJEXT)                                            \
+           | sed -n 's/.* T //p'                                       \
+           | grep -Ev -f $$t; then                                     \
+         echo 'the above functions should have static scope' 1>&2;     \
+         exit 1;                                                       \
+       fi;                                                             \
+       ( printf '^program_name$$\n';                                   \
+         sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
+           $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t;          \
+       if nm -e *.$(OBJEXT)                                            \
+           | sed -n 's/.* [BD] //p'                                    \
+           | grep -Ev -f $$t; then                                     \
+         echo 'the above variables should have static scope' 1>&2;     \
+         exit 1;                                                       \
+       fi