maint: update gnu-web-doc-update.

[bison.git] / tests / local.at

diff --git a/tests/local.at b/tests/local.at
index c1fcd60f068e6bae5707c350b90ec678740b4c29..2dbbfc712fdce9cae6008df1e9c668b0c0cdfc24 100644 (file)
--- a/tests/local.at
+++ b/tests/local.at
@@ -20,6 +20,15 @@
 m4_version_prereq([2.58])
 
 
 m4_version_prereq([2.58])
 
 

+# m4_null_if(VAL, IF-TRUE, IF-FALSE)
+# ----------------------------------
+# If VAL evaluates to empty or 0, run IF-TRUE, otherwise IF-FALSE.
+m4_define([m4_null_if],
+[m4_case(m4_quote($1),
+         [0], [$2],
+         [],  [$2],
+         [$3])])
+

 ## ------------- ##
 ## Basic tests.  ##
 ## ------------- ##
 ## ------------- ##
 ## Basic tests.  ##
 ## ------------- ##


@@ -44,6 +53,8 @@ m4_divert_text([PREPARE_TESTS],
 {
   for at_save_file in stderr experr expout
   do
 {
   for at_save_file in stderr experr expout
   do

+    test ! -f at-bison-check-$at_save_file.bak ||
+      as_fn_error 1 "fatal error: back-up on top of a back-up"

     test ! -f $at_save_file || mv $at_save_file at-bison-check-$at_save_file.bak
   done
 }
     test ! -f $at_save_file || mv $at_save_file at-bison-check-$at_save_file.bak
   done
 }


@@ -90,7 +101,8 @@ m4_popdef([AT_LOC_LAST_COLUMN])])
 # AT_BISON_OPTION_PUSHDEFS([BISON-OPTIONS])
 # -----------------------------------------
 m4_define([AT_BISON_OPTION_PUSHDEFS],
 # 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])
 
 
 # _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS])


@@ -144,6 +156,8 @@ m4_pushdef([AT_API_prefix],
 [m4_bmatch([$3], [%define api\.prefix ".*"],
            [m4_bregexp([$3], [%define api\.prefix "\([^""]*\)"], [\1])],
            [yy])])
 [m4_bmatch([$3], [%define api\.prefix ".*"],
            [m4_bregexp([$3], [%define api\.prefix "\([^""]*\)"], [\1])],
            [yy])])

+m4_pushdef([AT_API_PREFIX],
+[m4_toupper(AT_API_prefix)])

 # 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])],
 # 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])],


@@ -164,10 +178,10 @@ m4_pushdef([AT_PURE_LEX_IF],
 
 m4_pushdef([AT_YYSTYPE],
 [AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::semantic_type]],
 
 m4_pushdef([AT_YYSTYPE],
 [AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::semantic_type]],

-               [[YYSTYPE]])])
+               [AT_API_PREFIX[STYPE]])])

 m4_pushdef([AT_YYLTYPE],
 [AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::location_type]],
 m4_pushdef([AT_YYLTYPE],
 [AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::location_type]],

-               [[YYLTYPE]])])
+               [AT_API_PREFIX[LTYPE]])])

 
 
 AT_PURE_LEX_IF(
 
 
 AT_PURE_LEX_IF(


@@ -207,6 +221,7 @@ AT_SKEL_CC_IF(
 # AT_BISON_OPTION_POPDEFS
 # -----------------------
 m4_define([AT_BISON_OPTION_POPDEFS],
 # AT_BISON_OPTION_POPDEFS
 # -----------------------
 m4_define([AT_BISON_OPTION_POPDEFS],

+[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_YYLEX_PRE_ARGS])
 m4_popdef([AT_YYLEX_PRE_FORMALS])
 m4_popdef([AT_USE_LEX_ARGS])


@@ -219,6 +234,7 @@ 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_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_API_prefix])
 m4_popdef([AT_NAME_PREFIX])
 m4_popdef([AT_GLR_OR_PARAM_IF])
 m4_popdef([AT_API_prefix])
 m4_popdef([AT_NAME_PREFIX])
 m4_popdef([AT_GLR_OR_PARAM_IF])


@@ -235,7 +251,7 @@ m4_popdef([AT_SKEL_JAVA_IF])
 m4_popdef([AT_GLR_CC_IF])
 m4_popdef([AT_LALR1_CC_IF])
 m4_popdef([AT_DEFINES_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
 
 
 ])# AT_BISON_OPTION_POPDEFS
 
 


@@ -289,8 +305,11 @@ $2])
 # AT_YYLEX_PROTOTYPE
 # AT_YYLEX_DECLARE_EXTERN
 # AT_YYLEX_DECLARE
 # AT_YYLEX_PROTOTYPE
 # AT_YYLEX_DECLARE_EXTERN
 # AT_YYLEX_DECLARE

-# AT_YYLEX_DEFINE(INPUT-STRING, [ACTION])
-# ---------------------------------------
+# AT_YYLEX_DEFINE([INPUT], [ACTION])
+# ----------------------------------
+# INPUT can be empty, or in double quotes, or a list (in braces).
+# ACTION may compute yylval for instance, using "res" as token type,
+# and "toknum" as the number of calls to yylex (starting at 0).

 m4_define([AT_YYLEX_PROTOTYPE],
 [int AT_NAME_PREFIX[]lex (]AT_YYLEX_FORMALS[)[]dnl
 ])
 m4_define([AT_YYLEX_PROTOTYPE],
 [int AT_NAME_PREFIX[]lex (]AT_YYLEX_FORMALS[)[]dnl
 ])


@@ -304,16 +323,17 @@ m4_define([AT_YYLEX_DECLARE],
 ])
 
 m4_define([AT_YYLEX_DEFINE],
 ])
 
 m4_define([AT_YYLEX_DEFINE],

-[[#include <stdlib.h> /* abort */
+[[#include <assert.h>

 static
 ]AT_YYLEX_PROTOTYPE[
 {
 static
 ]AT_YYLEX_PROTOTYPE[
 {

-  static char const input[] = "$1";
+  ]m4_bmatch([$1], [^\(".*"\)?$],
+             [[static char const input[] = ]m4_default([$1], [""])],
+             [[static int const input[] = ]$1])[;

   static size_t toknum = 0;
   int res;
   ]AT_USE_LEX_ARGS[;
   static size_t toknum = 0;
   int res;
   ]AT_USE_LEX_ARGS[;

-  if (! (toknum < sizeof input))
-    abort ();
+  assert (toknum < sizeof input);

   res = input[toknum++];
   ]$2[;]AT_LOCATION_IF([[
   ]AT_LOC_FIRST_LINE[ = ]AT_LOC_LAST_LINE[ = 1;
   res = input[toknum++];
   ]$2[;]AT_LOCATION_IF([[
   ]AT_LOC_FIRST_LINE[ = ]AT_LOC_LAST_LINE[ = 1;


@@ -330,7 +350,7 @@ static
 # Must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS pair.
 m4_define([AT_YYERROR_FORMALS],
 [m4_case(AT_LANG,
 # 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
+[c], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE *llocp, ])[const char *msg]])[]dnl

 ])
 
 m4_define([AT_YYERROR_PROTOTYPE],
 ])
 
 m4_define([AT_YYERROR_PROTOTYPE],


@@ -395,6 +415,9 @@ void
 
 # AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
 # -------------------------------------------------
 
 # AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
 # -------------------------------------------------

+# High-level routine that may call bison several times, under different
+# conditions.
+#

 # Check Bison by invoking `bison BISON_ARGS'.  BISON_ARGS should not contain
 # shell constructs (such as redirection or pipes) that would prevent
 # appending additional command-line arguments for bison. OTHER_AT_CHECK_ARGS
 # Check Bison by invoking `bison BISON_ARGS'.  BISON_ARGS should not contain
 # shell constructs (such as redirection or pipes) that would prevent
 # appending additional command-line arguments for bison. OTHER_AT_CHECK_ARGS


@@ -415,83 +438,93 @@ void
 #
 #   4. If stderr contains a warning, -Wnone and --warnings=none suppress it.
 m4_define([AT_BISON_CHECK],
 #
 #   4. If stderr contains a warning, -Wnone and --warnings=none suppress it.
 m4_define([AT_BISON_CHECK],

-[m4_if(m4_quote($2), [0], [AT_BISON_CHECK_XML($@)],
-       m4_quote($2), [], [AT_BISON_CHECK_XML($@)])
+[m4_null_if([$2], [AT_BISON_CHECK_XML($@)])

 AT_BISON_CHECK_NO_XML($@)])
 
 m4_define([AT_BISON_WERROR_MSG],
           [[bison: warnings being treated as errors]])
 
 AT_BISON_CHECK_NO_XML($@)])
 
 m4_define([AT_BISON_WERROR_MSG],
           [[bison: warnings being treated as errors]])
 

+
+# AT_BISON_CHECK_(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
+# --------------------------------------------------
+# Low-level macro to run bison once.
+m4_define([AT_BISON_CHECK_],
+[AT_CHECK(AT_QUELL_VALGRIND[[ bison ]]$@)])
+
+
+# AT_BISON_CHECK_WARNINGS(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
+# ----------------------------------------------------------
+# Check that warnings (if some are expected) are correctly
+# turned into errors with -Werror, etc.
+m4_define([AT_BISON_CHECK_WARNINGS],
+[m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
+      [m4_null_if([$2], [AT_BISON_CHECK_WARNINGS_($@)])])])
+
+m4_define([AT_BISON_CHECK_WARNINGS_],
+[[# Defining POSIXLY_CORRECT causes bison to complain if options
+# are added after the grammar file name, so skip these checks
+# in that case.
+if test -z "${POSIXLY_CORRECT+set}"; then
+  ]AT_SAVE_SPECIAL_FILES[
+
+  # To avoid expanding it repeatedly, store specified stdout.
+  ]AT_DATA([expout], [$3])[
+
+  # Run with -Werror.
+  ]AT_BISON_CHECK_([$1[ -Werror]], [[1]], [expout], [stderr])[
+
+  # Build expected stderr up to and including the "warnings being
+  # treated as errors" message.
+  ]AT_DATA([[at-bison-check-warnings]], [$4])[
+  at_bison_check_first=`sed -n \
+    '/: warning: /{=;q;}' at-bison-check-warnings`
+  : ${at_bison_check_first:=1}
+  at_bison_check_first_tmp=`sed -n \
+    '/conflicts: [0-9].*reduce$/{=;q;}' at-bison-check-warnings`
+  : ${at_bison_check_first_tmp:=1}
+  if test $at_bison_check_first_tmp -lt $at_bison_check_first; then
+    at_bison_check_first=$at_bison_check_first_tmp
+  fi
+  if test $at_bison_check_first -gt 1; then
+    sed -n "1,`expr $at_bison_check_first - 1`"p \
+      at-bison-check-warnings > experr
+  fi
+  echo ']AT_BISON_WERROR_MSG[' >> experr
+
+  # Finish building expected stderr and check.  Unlike warnings,
+  # complaints cause bison to exit early.  Thus, with -Werror, bison
+  # does not necessarily report all warnings that it does without
+  # -Werror, but it at least reports one.
+  at_bison_check_last=`sed -n '$=' stderr`
+  : ${at_bison_check_last:=1}
+  at_bison_check_last=`expr $at_bison_check_last - 1`
+  sed -n "$at_bison_check_first,$at_bison_check_last"p \
+    at-bison-check-warnings >> experr
+  ]AT_CHECK([[sed 's,.*/\(]AT_BISON_WERROR_MSG[\)$,\1,' \
+              stderr 1>&2]], [[0]], [[]], [experr])[
+
+  # Now check --warnings=error.
+  cp stderr experr
+  ]AT_BISON_CHECK_([$1[ --warnings=error]], [[1]], [expout], [experr])[
+
+  # Now check -Wnone and --warnings=none by making sure that
+  # -Werror doesn't change the exit status when -Wnone or
+  # --warnings=none is specified.
+  ]AT_BISON_CHECK_([$1[ -Wnone -Werror]], [[0]], [expout])[
+  ]AT_BISON_CHECK_([$1[ --warnings=none -Werror]], [[0]], [expout])[
+
+  ]AT_RESTORE_SPECIAL_FILES[
+fi]dnl
+])
+

 # AT_BISON_CHECK_NO_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
 # --------------------------------------------------------
 # Same as AT_BISON_CHECK except don't perform XML/XSLT checks.  This is useful
 # when a tortured grammar's XML is known to be too large for xsltproc to
 # handle.
 m4_define([AT_BISON_CHECK_NO_XML],
 # AT_BISON_CHECK_NO_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
 # --------------------------------------------------------
 # Same as AT_BISON_CHECK except don't perform XML/XSLT checks.  This is useful
 # when a tortured grammar's XML is known to be too large for xsltproc to
 # handle.
 m4_define([AT_BISON_CHECK_NO_XML],

-[AT_CHECK(m4_if(m4_quote($2), [0], [], m4_quote($2), [], [],
-                [AT_QUELL_VALGRIND ])[[bison ]]$@)
-m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
-      m4_quote(m4_if(m4_quote($2), [], [0], [$2])), [0], [[
-        # Defining POSIXLY_CORRECT causes bison to complain if options
-        # are added after the grammar file name, so skip these checks
-        # in that case.
-        if test -z "${POSIXLY_CORRECT+set}"; then
-          ]AT_SAVE_SPECIAL_FILES[
-
-          # To avoid expanding it repeatedly, store specified stdout.
-          ]AT_DATA([expout], [$3])[
-
-          # Run with -Werror.
-          ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Werror]],
-                    [[1]], [expout], [stderr])[
-
-          # Build expected stderr up to and including the "warnings being
-          # treated as errors" message.
-          ]AT_DATA([[at-bison-check-warnings]], [$4])[
-          at_bison_check_first=`sed -n \
-            '/: warning: /{=;q;}' at-bison-check-warnings`
-          : ${at_bison_check_first:=1}
-          at_bison_check_first_tmp=`sed -n \
-            '/conflicts: [0-9].*reduce$/{=;q;}' at-bison-check-warnings`
-          : ${at_bison_check_first_tmp:=1}
-          if test $at_bison_check_first_tmp -lt $at_bison_check_first; then
-            at_bison_check_first=$at_bison_check_first_tmp
-          fi
-          if test $at_bison_check_first -gt 1; then
-            sed -n "1,`expr $at_bison_check_first - 1`"p \
-              at-bison-check-warnings > experr
-          fi
-          echo ']AT_BISON_WERROR_MSG[' >> experr
-
-          # Finish building expected stderr and check.  Unlike warnings,
-          # complaints cause bison to exit early.  Thus, with -Werror, bison
-          # does not necessarily report all warnings that it does without
-          # -Werror, but it at least reports one.
-          at_bison_check_last=`sed -n '$=' stderr`
-          : ${at_bison_check_last:=1}
-          at_bison_check_last=`expr $at_bison_check_last - 1`
-          sed -n "$at_bison_check_first,$at_bison_check_last"p \
-            at-bison-check-warnings >> experr
-          ]AT_CHECK([[sed 's,.*/\(]AT_BISON_WERROR_MSG[\)$,\1,' \
-                      stderr 1>&2]], [[0]], [[]], [experr])[
-
-          # Now check --warnings=error.
-          cp stderr experr
-          ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=error]],
-                    [[1]], [expout], [experr])[
-
-          # Now check -Wnone and --warnings=none by making sure that
-          # -Werror doesn't change the exit status when -Wnone or
-          # --warnings=none is specified.
-          ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Wnone -Werror]],
-                    [[0]], [expout])[
-          ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=none \
-                    -Werror]], [[0]], [expout])[
-
-          ]AT_RESTORE_SPECIAL_FILES[
-        fi
-      ]])
-])
+[AT_CHECK(m4_null_if([$2], [], [AT_QUELL_VALGRIND ])[[bison ]]$@)
+AT_BISON_CHECK_WARNINGS($@)])

 
 # AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
 # -----------------------------------------------------
 
 # AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
 # -----------------------------------------------------


@@ -509,11 +542,11 @@ m4_define([AT_BISON_CHECK_XML],
                             [--xml=[^][ ]*], [])])dnl
   # Don't combine these Bison invocations since we want to be sure that
   # --report=all isn't required to get the full XML file.
                             [--xml=[^][ ]*], [])])dnl
   # Don't combine these Bison invocations since we want to be sure that
   # --report=all isn't required to get the full XML file.

-  AT_CHECK([[bison --report=all --report-file=xml-tests/test.output \
-             --graph=xml-tests/test.dot ]]AT_BISON_ARGS,
-           [[0]], [ignore], [ignore])
-  AT_CHECK([[bison --xml=xml-tests/test.xml ]]AT_BISON_ARGS,
-           [[0]], [ignore], [ignore])
+  AT_BISON_CHECK_([[--report=all --report-file=xml-tests/test.output \
+                  --graph=xml-tests/test.dot ]]AT_BISON_ARGS,
+                  [[0]], [ignore], [ignore])
+  AT_BISON_CHECK_([[--xml=xml-tests/test.xml ]]AT_BISON_ARGS,
+                 [[0]], [ignore], [ignore])

   m4_popdef([AT_BISON_ARGS])dnl
   [cp xml-tests/test.output expout]
   AT_CHECK([[$XSLTPROC \
   m4_popdef([AT_BISON_ARGS])dnl
   [cp xml-tests/test.output expout]
   AT_CHECK([[$XSLTPROC \


@@ -541,6 +574,8 @@ m4_define([AT_BISON_CHECK_XML],
 m4_define([AT_QUELL_VALGRIND],
 [[[VALGRIND_OPTS="$VALGRIND_OPTS --leak-check=summary --show-reachable=no"; export VALGRIND_OPTS;]]])
 
 m4_define([AT_QUELL_VALGRIND],
 [[[VALGRIND_OPTS="$VALGRIND_OPTS --leak-check=summary --show-reachable=no"; export VALGRIND_OPTS;]]])
 

+
+

 ## ------------------------ ##
 ## Compiling C, C++ Files.  ##
 ## ------------------------ ##
 ## ------------------------ ##
 ## Compiling C, C++ Files.  ##
 ## ------------------------ ##


@@ -587,7 +622,8 @@ AT_CHECK(m4_join([ ],
 # is not installed.
 m4_define([AT_JAVA_COMPILE],
 [AT_KEYWORDS(java)
 # is not installed.
 m4_define([AT_JAVA_COMPILE],
 [AT_KEYWORDS(java)

-AT_SKIP_IF([[test -z "$CONF_JAVA$CONF_JAVAC"]])
+AT_SKIP_IF([[test -z "$CONF_JAVAC"]])
+AT_SKIP_IF([[test -z "$CONF_JAVA"]])

 AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
          [[0]], [ignore], [ignore])])
 
 AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
          [[0]], [ignore], [ignore])])