# AT_SETUP_STRIP(TITLE)
# ---------------------
-# Abbreviate the TITLE to be passed to AT_SETUP.
+# Abbreviate the TITLE to be passed to AT_SETUP. Remove new-lines
+# that completely break AT_SETUP.
m4_define([AT_SETUP_STRIP],
[m4_bpatsubsts([$1],
[%\(language\|skeleton\) "?\([^\" ]*\)"?],
[\2],
- [%define "?\([-A-Za-z0-9_.]+\)"? \("\([^\" ]+\)"\|\([-A-Za-z0-9_.]+\)\)],
- [\1=\3\4],
+ [%define "?\([-A-Za-z0-9_.]+\)"? \("[^\"]+"\|[-A-Za-z0-9_.]+\)],
+ [\1=\2],
[%define "?\([-A-Za-z0-9_.]+\)"?],
- [\1])dnl
+ [\1],
+ [ *
++ *], [ ])dnl
])
# AT_LOC_PUSHDEF(FIRST-LINE, FIRST-COLUMN, LAST-LINE, LAST-COLUMN)
# ----------------------------------------------------------------
-# Pushdef AT_LOC_(FIRST|LAST)_(LINE|COLUMN).
+# Pushdef AT(_LOC)?_(FIRST|LAST)_(LINE|COLUMN).
m4_define([AT_LOC_PUSHDEF],
-[m4_pushdef([AT_LOC_FIRST_LINE], [AT_LOC.$1])
-m4_pushdef([AT_LOC_FIRST_COLUMN], [AT_LOC.$2])
-m4_pushdef([AT_LOC_LAST_LINE], [AT_LOC.$3])
-m4_pushdef([AT_LOC_LAST_COLUMN], [AT_LOC.$4])])
+[m4_pushdef([AT_FIRST_LINE], [$1])
+m4_pushdef([AT_FIRST_COLUMN], [$2])
+m4_pushdef([AT_LAST_LINE], [$3])
+m4_pushdef([AT_LAST_COLUMN], [$4])
+m4_pushdef([AT_LOC_FIRST_LINE], [AT_LOC.AT_FIRST_LINE])
+m4_pushdef([AT_LOC_FIRST_COLUMN], [AT_LOC.AT_FIRST_COLUMN])
+m4_pushdef([AT_LOC_LAST_LINE], [AT_LOC.AT_LAST_LINE])
+m4_pushdef([AT_LOC_LAST_COLUMN], [AT_LOC.AT_LAST_COLUMN])])
# AT_LOC_POPDEF
# -------------
-# Popdef AT_LOC_(FIRST|LAST)_(LINE|COL).
+# Popdef AT(_LOC)?_(FIRST|LAST)_(LINE|COLUMN).
m4_define([AT_LOC_POPDEF],
[m4_popdef([AT_LOC_FIRST_LINE])
m4_popdef([AT_LOC_FIRST_COLUMN])
m4_popdef([AT_LOC_LAST_LINE])
-m4_popdef([AT_LOC_LAST_COLUMN])])
+m4_popdef([AT_LOC_LAST_COLUMN])
+m4_popdef([AT_FIRST_LINE])
+m4_popdef([AT_FIRST_COLUMN])
+m4_popdef([AT_LAST_LINE])
+m4_popdef([AT_LAST_COLUMN])
+])
[m4_fatal([$0: Invalid arguments: $@])])dnl
m4_pushdef([AT_DEFINES_IF],
[m4_bmatch([$3], [%defines], [$1], [$2])])
+m4_pushdef([AT_DEBUG_IF],
+[m4_bmatch([$3], [%debug\|%define parse.trace], [$1], [$2])])
m4_pushdef([AT_SKEL_CC_IF],
[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
m4_pushdef([AT_SKEL_JAVA_IF],
[m4_bmatch([$3], [%define *api\.pure\|%pure-parser],
[m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])],
[$2])])
+# AT_NAME_PREFIX: also consider api.namespace.
m4_pushdef([AT_NAME_PREFIX],
-[m4_bmatch([$3], [\(%define api\.prefix\|%name-prefix\) ".*"],
- [m4_bregexp([$3], [\(%define api\.prefix\|%name-prefix\) "\([^""]*\)"], [\2])],
+[m4_bmatch([$3], [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) ".*"],
+ [m4_bregexp([$3], [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) "\([^""]*\)"], [\3])],
[yy])])
m4_pushdef([AT_TOKEN_CTOR_IF],
[m4_bmatch([$3], [%define api.token.constructor], [$1], [$2])])
m4_popdef([AT_GLR_CC_IF])
m4_popdef([AT_LALR1_CC_IF])
m4_popdef([AT_DEFINES_IF])
+m4_popdef([AT_DEBUG_IF])
AT_LOC_POPDEF])dnl
])# AT_BISON_OPTION_POPDEFS
m4_define([AT_YYERROR_DECLARE],
[m4_case(AT_LANG,
-[c], [static AT_YYERROR_DECLARE_EXTERN])[]dnl
+[c], [#include <stdio.h>
+]AT_LOCATION_IF([[
+#if defined ]AT_YYLTYPE[_IS_TRIVIAL && ]AT_YYLTYPE[_IS_TRIVIAL
+static unsigned location_print (FILE *yyo, ]AT_YYLTYPE[ const * const yylocp);
+# ifndef LOCATION_PRINT
+# define LOCATION_PRINT(File, Loc) location_print (File, &(Loc))
+# endif
+#endif
+]])[
+static AT_YYERROR_DECLARE_EXTERN])[]dnl
])
m4_define([AT_YYERROR_DEFINE],
[m4_case(AT_LANG,
-[c], [[#include <stdio.h>
+[c], [[
+]AT_LOCATION_IF([[
+# if defined ]AT_YYLTYPE[_IS_TRIVIAL && ]AT_YYLTYPE[_IS_TRIVIAL
+/* Print *YYLOCP on YYO. */
+__attribute__((__unused__))
+static unsigned
+location_print (FILE *yyo, ]AT_YYLTYPE[ const * const yylocp)
+{
+ unsigned res = 0;
+ int end_col = 0 != yylocp->last_column ? yylocp->last_column - 1 : 0;
+ if (0 <= yylocp->first_line)
+ {
+ res += fprintf (yyo, "%d", yylocp->first_line);
+ if (0 <= yylocp->first_column)
+ res += fprintf (yyo, ".%d", yylocp->first_column);
+ }
+ if (0 <= yylocp->last_line)
+ {
+ if (yylocp->first_line < yylocp->last_line)
+ {
+ res += fprintf (yyo, "-%d", yylocp->last_line);
+ if (0 <= end_col)
+ res += fprintf (yyo, ".%d", end_col);
+ }
+ else if (0 <= end_col && yylocp->first_column < end_col)
+ res += fprintf (yyo, "-%d", end_col);
+ }
+ return res;
+}
+#endif
+]])[
/* A C error reporting function. */
static
]AT_YYERROR_PROTOTYPE[
[[^,]+[^A-Za-z_0-9]\([A-Za-z_][A-Za-z_0-9]*\), *], [
YYUSE(\1);])dnl
AT_YYERROR_SEES_LOC_IF([[
- YY_LOCATION_PRINT (stderr, ]AT_LOC[);
+ LOCATION_PRINT (stderr, ]AT_LOC[);
fprintf (stderr, ": ");]])[
fprintf (stderr, "%s\n", msg);
}]],
[c++], [[/* A C++ error reporting function. */
void
]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;
+{
+ std::cerr << ]AT_LOCATION_IF([l << ": " << ])[m << std::endl;
}]],
[java], [AT_LOCATION_IF([[public void yyerror (Calc.Location l, String s)
{
])
+# AT_MAIN_DEFINE
+# --------------
+m4_define([AT_MAIN_DEFINE],
+[m4_case(AT_LANG,
+[c],
+[[#include <stdlib.h> /* getenv. */
+#include <string.h> /* strcmp. */
+int
+main (int argc, char const* argv[])
+{]AT_DEBUG_IF([[
+ if (getenv("YYDEBUG")
+ || (argc == 2
+ && (!strcmp (argv[1], "-d") || !strcmp (argv[1], "--debug"))))
+ yydebug |= 1;]], [[
+ (void) argc;
+ (void) argv;]])[
+ return ]AT_NAME_PREFIX[parse ();
+}]],
+[c++],
+[[#include <cstdlib> // getenv.
+#include <cstring> // strcmp.
+int
+main (int argc, char const* argv[])
+{
+ ]AT_NAME_PREFIX[::parser p;]AT_DEBUG_IF([[
+ if (getenv("YYDEBUG")
+ || (argc == 2
+ && (!strcmp (argv[1], "-d") || !strcmp (argv[1], "--debug"))))
+ p.set_debug_level (true);]], [[
+ (void) argc;
+ (void) argv;]])[
+ return p.parse ();
+}]],
+[java],
+[[class input
+{
+ public static void main (String args[]) throws IOException
+ {
+ YYParser p = new YYParser ();
+ p.parse ();
+ }
+}]])])
+
+
## --------------- ##
## Running Bison. ##
## --------------- ##
AT_BISON_OPTION_PUSHDEFS([$4])
AT_DATA_GRAMMAR([[input.y]],
[[%code {
- #include <stdio.h>
]AT_YYERROR_DECLARE[
]AT_YYLEX_DECLARE[
}
return *inputp++;
}
-int
-main (void)
-{
- return yyparse ();
-}
+]AT_MAIN_DEFINE[
]])
# In some versions of Autoconf, AT_CHECK invokes AS_ESCAPE before
projects / bison.git / blobdiff