X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0f404a0af0cb68849b5099e95dec0f9a09e3973d..ff020c3061aeab8a20a4a6fd48c434e3e5aeb29b:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index b3955ca5..9518c3c3 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,6 +1,6 @@ # Simple calculator. -*- Autotest -*- -# Copyright (C) 2000-2010 Free Software Foundation, Inc. +# Copyright (C) 2000-2012 Free Software Foundation, Inc. # 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 @@ -33,21 +33,90 @@ # Don't call this macro directly, because it contains some occurrences # of `$1' etc. which will be interpreted by m4. So you should call it # with $1, $2, and $3 as arguments, which is what AT_DATA_CALC_Y does. +# +# When %defines is not passed, generate a single self-contained file. +# Otherwise, generate three: calc.y with the parser, calc-lex.c with +# the scanner, and calc-main.c with "main()". This is in order to +# stress the use of the generated parser header. To avoid code +# duplication, AT_CALC_LEX and AT_CALC_MAIN contain the body of these +# two later files. m4_define([_AT_DATA_CALC_Y], [m4_if([$1$2$3], $[1]$[2]$[3], [], [m4_fatal([$0: Invalid arguments: $@])])dnl + +m4_pushdef([AT_CALC_MAIN], +[#include +#if HAVE_UNISTD_H +# include +#else +# undef alarm +# define alarm(seconds) /* empty */ +#endif + +AT_SKEL_CC_IF([[ +/* A C++ ]AT_NAME_PREFIX[parse that simulates the C signature. */ +int +]AT_NAME_PREFIX[parse (]AT_PARAM_IF([semantic_value *result, int *count]))[ +{ + ]AT_NAME_PREFIX[::parser parser]AT_PARAM_IF([ (result, count)])[; +#if ]AT_API_PREFIX[DEBUG + parser.set_debug_level (1); +#endif + return parser.parse (); +} +]])[ + +semantic_value global_result = 0; +int global_count = 0; + +/* A C main function. */ +int +main (int argc, const char **argv) +{ + semantic_value result = 0; + int count = 0; + int status; + + /* This used to be alarm (10), but that isn't enough time for + a July 1995 vintage DEC Alphastation 200 4/100 system, + according to Nelson H. F. Beebe. 100 seconds is enough. */ + alarm (100); + + if (argc == 2) + input = fopen (argv[1], "r"); + else + input = stdin; + + if (!input) + { + perror (argv[1]); + return 3; + } + +]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug], +[ ]AT_NAME_PREFIX[debug = 1;])])[ + status = ]AT_NAME_PREFIX[parse (]AT_PARAM_IF([[&result, &count]])[); + if (fclose (input)) + perror ("fclose"); + assert (global_result == result); + assert (global_count == count); + return status; +} +]]) + + m4_pushdef([AT_CALC_LEX], [[#include -int ]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[); -static int get_char (]AT_LEX_FORMALS[); -static void unget_char (]AT_LEX_PRE_FORMALS[ int c); +]AT_YYLEX_DECLARE_EXTERN[ +static int get_char (]AT_YYLEX_FORMALS[); +static void unget_char (]AT_YYLEX_PRE_FORMALS[ int c); ]AT_LOCATION_IF([ -static YYLTYPE last_yylloc; +static AT_YYLTYPE last_yylloc; ])[ static int -get_char (]AT_LEX_FORMALS[) +get_char (]AT_YYLEX_FORMALS[) { int res = getc (input); ]AT_USE_LEX_ARGS[; @@ -65,7 +134,7 @@ get_char (]AT_LEX_FORMALS[) } static void -unget_char (]AT_LEX_PRE_FORMALS[ int c) +unget_char (]AT_YYLEX_PRE_FORMALS[ int c) { ]AT_USE_LEX_ARGS[; ]AT_LOCATION_IF([ @@ -76,26 +145,26 @@ unget_char (]AT_LEX_PRE_FORMALS[ int c) } static int -read_signed_integer (]AT_LEX_FORMALS[) +read_signed_integer (]AT_YYLEX_FORMALS[) { - int c = get_char (]AT_LEX_ARGS[); + int c = get_char (]AT_YYLEX_ARGS[); int sign = 1; int n = 0; ]AT_USE_LEX_ARGS[; if (c == '-') { - c = get_char (]AT_LEX_ARGS[); + c = get_char (]AT_YYLEX_ARGS[); sign = -1; } while (isdigit (c)) { n = 10 * n + (c - '0'); - c = get_char (]AT_LEX_ARGS[); + c = get_char (]AT_YYLEX_ARGS[); } - unget_char (]AT_LEX_PRE_ARGS[ c); + unget_char (]AT_YYLEX_PRE_ARGS[ c); return sign * n; } @@ -107,8 +176,7 @@ read_signed_integer (]AT_LEX_FORMALS[) | blanks and tabs, returns 0 for EOF. | `---------------------------------------------------------------*/ -int -]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[) +]AT_YYLEX_PROTOTYPE[ { static int init = 1; int c; @@ -130,13 +198,13 @@ int AT_LOC_FIRST_LINE = AT_LOC_LAST_LINE; ])[ } - while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t'); + while ((c = get_char (]AT_YYLEX_ARGS[)) == ' ' || c == '\t'); /* process numbers */ if (c == '.' || isdigit (c)) { - unget_char (]AT_LEX_PRE_ARGS[ c); - ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[); + unget_char (]AT_YYLEX_PRE_ARGS[ c); + ]AT_VAL[.ival = read_signed_integer (]AT_YYLEX_ARGS[); return NUM; } @@ -170,18 +238,18 @@ AT_SKEL_CC_IF( Point last; }; -# define YYLLOC_DEFAULT(Current, Rhs, N) \ -do { \ - if (N) \ - { \ - (Current).first = (Rhs)[1].first; \ - (Current).last = (Rhs)[N].last; \ - } \ - else \ - { \ - (Current).first = (Current).last = (Rhs)[0].last; \ - } \ -} while (false) +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (N) \ + { \ + (Current).first = YYRHSLOC (Rhs, 1).first; \ + (Current).last = YYRHSLOC (Rhs, N).last; \ + } \ + else \ + { \ + (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last; \ + } \ + while (false) ]])[ /* Exercise pre-prologue dependency to %union. */ @@ -196,60 +264,47 @@ do { \ %code provides { -#include -/* The input. */ -extern FILE *input;]AT_SKEL_CC_IF([[ -#ifndef YYLTYPE -# define YYLTYPE ]AT_NAME_PREFIX[::parser::location_type -#endif -]])[ + #include + /* The input. */ + extern FILE *input; + extern semantic_value global_result; + extern int global_count; } %code { -#include +#include #include -#if HAVE_UNISTD_H -# include -#else -# undef alarm -# define alarm(seconds) /* empty */ -#endif #define USE(Var) FILE *input; -static semantic_value global_result = 0; -static int global_count = 0; static int power (int base, int exponent); ]AT_SKEL_CC_IF(, -[/* yyerror receives the location if: - - %location & %pure & %glr - - %location & %pure & %yacc & %parse-param. */ -static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) +[static void yyerror (AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE *llocp, ]) AT_PARAM_IF([semantic_value *result, int *count, ]) const char *s );])[ -int yylex (]AT_LEX_FORMALS[); +]AT_YYLEX_DECLARE_EXTERN[ } -]AT_SKEL_CC_IF([AT_LOCATION_TYPE_IF([], [ +]AT_SKEL_CC_IF([AT_LOCATION_TYPE_IF([], [[ /* The lalr1.cc skeleton, for backward compatibility, defines a constructor for position that initializes the filename. The glr.cc skeleton does not (and in fact cannot: location/position are stored in a union, from which objects with constructors are - excluded in C++. */ + excluded in C++). */ %initial-action { - @$.initialize (0); + @$.initialize (); } -])])[ +]])])[ /* Bison Declarations */ %token CALC_EOF 0 "end of input" %token NUM "number" %type exp -%nonassoc '=' /* comparison */ +%nonassoc '=' /* comparison */ %left '-' '+' %left '*' '/' %left NEG /* negation--unary minus */ @@ -288,6 +343,16 @@ exp: ; %% +static int +power (int base, int exponent) +{ + int res = 1; + assert (0 <= exponent); + for (/* Niente */; exponent; --exponent) + res *= base; + return res; +} + ]AT_SKEL_CC_IF( [AT_LOCATION_TYPE_IF([[ std::ostream& @@ -301,29 +366,10 @@ exp: return o; } ]]) - -/* A C++ error reporting function. */ -void -AT_NAME_PREFIX::parser::error (const location_type& l, const std::string& m) -{ - (void) l; - std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl; -} - -/* A C++ yyparse that simulates the C signature. */ -int -yyparse (AT_PARAM_IF([semantic_value *result, int *count])) -{ - AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]); -#if YYDEBUG - parser.set_debug_level (1); -#endif - return parser.parse (); -} -], +AT_YYERROR_DEFINE], [/* A C error reporting function. */ static void -yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) +yyerror (AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE *llocp, ]) AT_PARAM_IF([semantic_value *result, int *count, ]) const char *s) { @@ -333,68 +379,27 @@ AT_YYERROR_SEES_LOC_IF([ 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); + 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); + AT_LOC_LAST_COLUMN - 1); fprintf (stderr, ": ");]) fprintf (stderr, "%s\n", s); }])[ +]AT_DEFINES_IF([], +[AT_CALC_LEX +AT_CALC_MAIN])]) -]AT_DEFINES_IF(, [AT_CALC_LEX])[ - -static int -power (int base, int exponent) -{ - int res = 1; - if (exponent < 0) - exit (3); - for (/* Niente */; exponent; --exponent) - res *= base; - return res; -} - - -/* A C main function. */ -int -main (int argc, const char **argv) -{ - semantic_value result = 0; - int count = 0; - int status; - - /* This used to be alarm (10), but that isn't enough time for - a July 1995 vintage DEC Alphastation 200 4/100 system, - according to Nelson H. F. Beebe. 100 seconds is enough. */ - alarm (100); - - if (argc == 2) - input = fopen (argv[1], "r"); - else - input = stdin; - - if (!input) - { - perror (argv[1]); - return 3; - } - -]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug], -[ yydebug = 1;])])[ - status = yyparse (]AT_PARAM_IF([[&result, &count]])[); - if (fclose (input)) - perror ("fclose"); - if (global_result != result) - abort (); - if (global_count != count) - abort (); - return status; -} -]]) AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])], [[#include "calc.h]AT_SKEL_CC_IF([[h]])[" -]AT_CALC_LEX])]) +]AT_CALC_LEX]) +AT_DATA_SOURCE([[calc-main.c]AT_SKEL_CC_IF([[c]])], +[[#include "calc.h]AT_SKEL_CC_IF([[h]])[" + +]AT_CALC_MAIN]) +]) +m4_popdef([AT_CALC_MAIN]) m4_popdef([AT_CALC_LEX]) ])# _AT_DATA_CALC_Y @@ -493,21 +498,39 @@ AT_CHECK([cat stderr], 0, [expout]) ]) -# AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]]) -# -------------------------------------------------- +# AT_CHECK_SPACES([FILE]) +# ----------------------- +# Make sure we did not introduce bad spaces. Checked here because all +# the skeletons are (or should be) exercized here. +m4_define([AT_CHECK_SPACES], +[AT_CHECK([$PERL -ne ' + chomp; + print "$.: {$_}\n" + if (# No starting/ending empty lines. + (eof || $. == 1) && /^\s*$/ + # No trailing space. FIXME: not ready for "maint". + # || /\s$/ + )' $1 +])dnl +]) + + +# AT_CHECK_CALC([BISON-OPTIONS]) +# ------------------------------ # Start a testing chunk which compiles `calc' grammar with # BISON-OPTIONS, and performs several tests over the parser. -# However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail. m4_define([AT_CHECK_CALC], -[# We use integers to avoid dependencies upon the precision of doubles. -AT_SETUP([Calculator $1]) +[m4_ifval([$2], [m4_fatal([$0: expected a single argument])]) -m4_ifval([$2], [AT_CHECK([exit 77])]) +# We use integers to avoid dependencies upon the precision of doubles. +AT_SETUP([Calculator $1]) AT_BISON_OPTION_PUSHDEFS([$1]) AT_DATA_CALC_Y([$1]) -AT_FULL_COMPILE([calc], [AT_DEFINES_IF([[lex]])]) +AT_FULL_COMPILE([calc], AT_DEFINES_IF([[lex], [main]])) +AT_CHECK_SPACES([calc.AT_SKEL_CC_IF([cc], [c])]) +AT_DEFINES_IF([AT_CHECK_SPACES([calc.AT_SKEL_CC_IF([hh], [h])])]) # Test the priorities. _AT_CHECK_CALC([$1], @@ -622,14 +645,16 @@ AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %locations]) AT_CHECK_CALC_LALR([%error-verbose %locations]) AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%error-verbose %locations %defines %define api.prefix "calc" %verbose %yacc]) AT_CHECK_CALC_LALR([%debug]) AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc]) AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) -AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc]) -AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) # ----------------------- # @@ -651,6 +676,7 @@ AT_CHECK_CALC_GLR() AT_CHECK_CALC_GLR([%defines]) AT_CHECK_CALC_GLR([%locations]) AT_CHECK_CALC_GLR([%name-prefix "calc"]) +AT_CHECK_CALC_GLR([%define api.prefix "calc"]) AT_CHECK_CALC_GLR([%verbose]) AT_CHECK_CALC_GLR([%yacc]) AT_CHECK_CALC_GLR([%error-verbose]) @@ -662,10 +688,12 @@ AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbo AT_CHECK_CALC_GLR([%debug]) AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc]) AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) # ----------------------------- # @@ -687,11 +715,13 @@ m4_define([AT_CHECK_CALC_LALR1_CC], AT_CHECK_CALC_LALR1_CC([]) AT_CHECK_CALC_LALR1_CC([%define location_type Span]) AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR1_CC([%error-verbose %define api.prefix "calc" %verbose %yacc]) AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc]) -AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %define api.prefix "calc" %verbose %yacc]) AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) @@ -712,7 +742,9 @@ m4_define([AT_CHECK_CALC_GLR_CC], [AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)]) AT_CHECK_CALC_GLR_CC([]) +AT_CHECK_CALC_GLR_CC([%define location_type Span]) AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_GLR_CC([%error-verbose %define api.prefix "calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%debug]) AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc]) @@ -720,3 +752,4 @@ AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])