static value global_result = 0;
static int global_count = 0;
-
-]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;])[
%}
/* Exercise %union. */
%{
static int power (int base, int exponent);
-/* yyerror receives the location if:
+]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;],
+[/* yyerror receives the location if:
- %location & %pure & %glr
- %location & %pure & %yacc & %parse-param. */
-static void yyerror (]AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])[
- ]AT_PARAM_IF([value *result, int *count, ])[
+static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])
+ AT_PARAM_IF([value *result, int *count, ])
const char *s
- );
+ );])[
static int yylex (]AT_LEX_FORMALS[);
static int yygetc (]AT_LEX_FORMALS[);
static void yyungetc (]AT_LEX_PRE_FORMALS[ int c);
void
yy::Parser::print_ ()
{
- std::cerr << location;
+AT_LOCATION_IF([
+ std::cerr << location;])
}
/* A C++ error reporting function. */
void
yy::Parser::error_ ()
{
- std::cerr << location << ": " << message << std::endl;
+ std::cerr << AT_LOCATION_IF([location << ": " << ])message << std::endl;
}
int
yyparse (void)
{
- yy::Parser parser = yy::Parser (!!YYDEBUG[]AT_LOCATION_IF([,
- yy::Location::Location ()]));
+ yy::Parser parser (!!YYDEBUG[]AT_LOCATION_IF([, yy::Location::Location ()]));
return parser.parse ();
}
],
])])[
}
-]AT_LALR1_CC_IF(
+]AT_LOCATION_IF([AT_LALR1_CC_IF(
[ AT_LOC.begin = AT_LOC.end;],
-[AT_LOCATION_IF([
- AT_LOC.first_column = AT_LOC.last_column;
+[ AT_LOC.first_column = AT_LOC.last_column;
AT_LOC.first_line = AT_LOC.last_line;
])])[
/* Skip white space. */
while ((c = yygetc (]AT_LEX_ARGS[)) == ' ' || c == '\t')
{
-]AT_LALR1_CC_IF(
+]AT_LOCATION_IF([AT_LALR1_CC_IF(
[ AT_LOC.begin = AT_LOC.end;],
-[AT_LOCATION_IF([
- AT_LOC.first_column = AT_LOC.last_column;
+[ AT_LOC.first_column = AT_LOC.last_column;
AT_LOC.first_line = AT_LOC.last_line;
])])[
}
exit (1);
}
-#if YYDEBUG
- yydebug = 1;
-#endif
+]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug],
+[ yydebug = 1;])])[
status = yyparse (]AT_PARAM_IF([&result, &count])[);
if (global_result != result)
abort ();
])
-# AT_CALC_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.
-m4_define([AT_CHECK_PUSHDEFS],
-[m4_if([$1$2], $[1]$[2], [],
- [m4_fatal([$0: Invalid arguments: $@])])dnl
-m4_pushdef([AT_LALR1_CC_IF],
-[m4_bmatch([$3], ["lalr1.cc"], [$1], [$2])])
-m4_pushdef([AT_GLR_IF],
-[m4_bmatch([$3], [%glr-parser], [$1], [$2])])
-m4_pushdef([AT_PARAM_IF],
-[m4_bmatch([$3], [%parse-param], [$1], [$2])])
-m4_pushdef([AT_LOCATION_IF],
-[m4_bmatch([$3], [%locations], [$1], [$2])])
-m4_pushdef([AT_PURE_IF],
-[m4_bmatch([$3], [%pure-parser], [$1], [$2])])
-m4_pushdef([AT_PURE_AND_LOC_IF],
-[m4_bmatch([$3], [%locations.*%pure-parser\|%pure-parser.*%locations],
- [$1], [$2])])
-m4_pushdef([AT_GLR_OR_PARAM_IF],
-[m4_bmatch([$3], [%glr-parser\|%parse-param], [$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])],
- [$2])])
-# yyerror cannot see the locations if !glr & pure & !param.
-m4_pushdef([AT_YYERROR_SEES_LOC_IF],
-[AT_LALR1_CC_IF([$1],
- [AT_LOCATION_IF([AT_GLR_IF([$1],
- [AT_PURE_IF([AT_PARAM_IF([$1],
- [$2])],
- [$1])])],
- [$2])])])
-
-# The interface is pure: either because %pure-parser, or because we
-# are using the C++ parsers.
-m4_pushdef([AT_PURE_LEX_IF],
-[AT_PURE_IF([$1],
- [AT_LALR1_CC_IF([$1], [$2])])])
-
-AT_PURE_LEX_IF(
-[m4_pushdef([AT_LOC], [(*yylloc)])
- m4_pushdef([AT_VAL], [(*yylval)])
- m4_pushdef([AT_LEX_FORMALS],
- [YYSTYPE *yylval[]AT_LOCATION_IF([, YYLTYPE *yylloc])])
- m4_pushdef([AT_LEX_ARGS],
- [yylval[]AT_LOCATION_IF([, yylloc])])
- m4_pushdef([AT_USE_LEX_ARGS],
- [(void) yylval;AT_LOCATION_IF([(void) yylloc])])
- m4_pushdef([AT_LEX_PRE_FORMALS],
- [AT_LEX_FORMALS, ])
- m4_pushdef([AT_LEX_PRE_ARGS],
- [AT_LEX_ARGS, ])
-],
-[m4_pushdef([AT_LOC], [(yylloc)])
- m4_pushdef([AT_VAL], [(yylval)])
- m4_pushdef([AT_LEX_FORMALS], [void])
- m4_pushdef([AT_LEX_ARGS], [])
- m4_pushdef([AT_USE_LEX_ARGS], [])
- m4_pushdef([AT_LEX_PRE_FORMALS], [])
- m4_pushdef([AT_LEX_PRE_ARGS], [])
-])
-])# AT_CALC_PUSHDEFS
-
-
-# AT_CALC_POPDEFS
-# ---------------
-m4_define([AT_CHECK_POPDEFS],
-[m4_popdef([AT_LEX_PRE_ARGS])
-m4_popdef([AT_LEX_PRE_FORMALS])
-m4_popdef([AT_USE_LEX_ARGS])
-m4_popdef([AT_LEX_ARGS])
-m4_popdef([AT_LEX_FORMALS])
-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_GLR_OR_PARAM_IF])
-m4_popdef([AT_PURE_AND_LOC_IF])
-m4_popdef([AT_LOCATION_IF])
-m4_popdef([AT_PARAM_IF])
-m4_popdef([AT_GLR_IF])
-m4_popdef([AT_LALR1_CC_IF])
-])
-
-
-
# AT_CHECK_CALC([BISON-OPTIONS])
# ------------------------------
# Start a testing chunk which compiles `calc' grammar with
[# We use integers to avoid dependencies upon the precision of doubles.
AT_SETUP([Calculator $1])
-AT_CHECK_PUSHDEFS($[1], $[2], [$1])
+AT_BISON_OPTION_PUSHDEFS([$1])
AT_DATA_CALC_Y([$1])
# Specify the output files to avoid problems on different file systems.
-AT_CHECK([bison -o calc.c calc.y],
- [0], [], [])
+AT_CHECK([bison -o calc.c calc.y])
-AT_LALR1_CC_IF(
-[AT_CHECK([$CXX --version || exit 77], 0, ignore, ignore)
-AT_COMPILE_CXX([calc])],
-[AT_COMPILE([calc])])
+AT_LALR1_CC_IF([AT_COMPILE_CXX([calc])],
+ [AT_COMPILE([calc])])
# Test the priorities.
_AT_CHECK_CALC([$1],
_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [64],
[1.9: syntax error, unexpected "number"
calc: error: 2222 != 1])
-AT_CHECK_POPDEFS
+AT_BISON_OPTION_POPDEFS
AT_CLEANUP
])# AT_CHECK_CALC
# AT_CHECK_CALC_LALR1_CC()
-AT_CHECK_CALC_LALR1_CC([%defines %pure-parser %locations])
+AT_CHECK_CALC_LALR1_CC([%defines %locations])
-# AT_CHECK_CALC_LALR1_CC([%defines])
+AT_CHECK_CALC_LALR1_CC([%defines])
# AT_CHECK_CALC_LALR1_CC([%locations])
# AT_CHECK_CALC_LALR1_CC([%name-prefix="calc"])
# AT_CHECK_CALC_LALR1_CC([%verbose])
# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
# AT_CHECK_CALC_LALR1_CC([%debug])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
# AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
projects / bison.git / blobdiff