X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ed228e60b23b76d6910ca843b4bf39eb1d391029..049016237e8ad3666609295234ed550e66cc185c:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index 4c243174..4ab725b3 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; } @@ -107,40 +176,24 @@ 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; - - if (init) - { - init = 0; -]AT_LOCATION_IF([ - AT_LOC_LAST_COLUMN = 1; - AT_LOC_LAST_LINE = 1; -])[ - } - -]AT_LOCATION_IF([ - AT_LOC_FIRST_COLUMN = AT_LOC_LAST_COLUMN; - AT_LOC_FIRST_LINE = AT_LOC_LAST_LINE; -])[ - - /* Skip white space. */ - while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t') + /* Skip current token, then white spaces. */ + do { ]AT_LOCATION_IF( [ AT_LOC_FIRST_COLUMN = AT_LOC_LAST_COLUMN; AT_LOC_FIRST_LINE = AT_LOC_LAST_LINE; ])[ } + 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; } @@ -160,7 +213,7 @@ AT_SKEL_CC_IF( [%define global_tokens_and_yystype])[ %code requires { -]AT_LOCATION_TYPE_IF([ +]AT_LOCATION_TYPE_IF([[ # include struct Point { @@ -170,10 +223,24 @@ AT_SKEL_CC_IF( struct Span { - Point begin; - Point end; + Point first; + Point last; }; -])[ + +# 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. */ typedef int semantic_value; } @@ -183,62 +250,44 @@ AT_SKEL_CC_IF( { semantic_value ival; }; +%printer { ]AT_SKEL_CC_IF([[yyoutput << $$]], + [[fprintf (yyoutput, "%d", $$)]])[; } ; %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, ]) - AT_PARAM_IF([semantic_value *result, int *count, ]) - const char *s - );])[ -int yylex (]AT_LEX_FORMALS[); -} -]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++. */ -%initial-action { - @$.initialize (0); +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE_EXTERN[ } -])])[ + +]AT_SKEL_CC_IF([AT_LOCATION_TYPE_IF([[ +%initial-action +{ + @$.first.l = @$.first.c = 1; + @$.last = @$.first; +}]])])[ /* 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 */ @@ -277,113 +326,44 @@ exp: ; %% -]AT_SKEL_CC_IF( -[AT_LOCATION_TYPE_IF([[ - std::ostream& - operator<< (std::ostream& o, const Span& s) - { - o << s.begin.l << '.' << s.begin.c; - if (s.begin.l != s.end.l) - o << '-' << s.end.l << '.' << s.end.c - 1; - else if (s.begin.c != s.end.c - 1) - o << '-' << s.end.c - 1; - 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 (); -} -], -[/* A C error reporting function. */ -static void -yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) - AT_PARAM_IF([semantic_value *result, int *count, ]) - const char *s) -{ -AT_PARAM_IF([(void) result; (void) count;]) -AT_YYERROR_SEES_LOC_IF([ - fprintf (stderr, "%d.%d", - 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); - else if (AT_LOC_FIRST_COLUMN != AT_LOC_LAST_COLUMN - 1) - fprintf (stderr, "-%d", - AT_LOC_LAST_COLUMN - 1); - fprintf (stderr, ": ");]) - fprintf (stderr, "%s\n", s); -}])[ - -]AT_DEFINES_IF(, [AT_CALC_LEX])[ - static int power (int base, int exponent) { int res = 1; - if (exponent < 0) - exit (3); + assert (0 <= exponent); for (/* Niente */; exponent; --exponent) res *= base; return res; } +]AT_SKEL_CC_IF( +[AT_LOCATION_TYPE_IF([[ + std::ostream& + operator<< (std::ostream& o, const Span& s) + { + o << s.first.l << '.' << s.first.c; + if (s.first.l != s.last.l) + o << '-' << s.last.l << '.' << s.last.c - 1; + else if (s.first.c != s.last.c - 1) + o << '-' << s.last.c - 1; + return o; + } +]])])[ +]AT_YYERROR_DEFINE[ +]AT_DEFINES_IF([], +[AT_CALC_LEX +AT_CALC_MAIN])]) -/* 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([$4], [%debug], -[ yydebug = 1;])])[ - status = yyparse (]AT_PARAM_IF([[&result, &count]])[); - if (fclose (input)) - perror ("fclose"); - if (global_result != result) - abort (); - if (global_count != count) - abort (); - return status; -} -]]) AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])], [[#include "calc.h]AT_SKEL_CC_IF([[h]])[" -]AT_CALC_LEX])]) +]AT_CALC_LEX]) +AT_DATA_SOURCE([[calc-main.c]AT_SKEL_CC_IF([[c]])], +[[#include "calc.h]AT_SKEL_CC_IF([[h]])[" + +]AT_CALC_MAIN]) +]) +m4_popdef([AT_CALC_MAIN]) m4_popdef([AT_CALC_LEX]) ])# _AT_DATA_CALC_Y @@ -482,21 +462,39 @@ AT_CHECK([cat stderr], 0, [expout]) ]) -# AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]]) -# -------------------------------------------------- +# AT_CHECK_SPACES([FILE]) +# ----------------------- +# Make sure we did not introduce bad spaces. Checked here because all +# the skeletons are (or should be) exercized here. +m4_define([AT_CHECK_SPACES], +[AT_CHECK([$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], @@ -516,7 +514,7 @@ _AT_CHECK_CALC([$1], [842]) # Some syntax errors. -_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15], +_AT_CHECK_CALC_ERROR([$1], [1], [1 2], [15], [1.3: syntax error, unexpected number]) _AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20], [1.3: syntax error, unexpected '/', expecting number or '-' or '(' or '!']) @@ -560,10 +558,10 @@ calc: error: 4444 != 1]) # The same, but this time exercising explicitly triggered syntax errors. # POSIX says the lookahead causing the error should not be discarded. -_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102], +_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (1 2) = 1], [102], [1.10: syntax error, unexpected number calc: error: 2222 != 1]) -_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113], +_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (1 2) = 1], [113], [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!' 1.12: syntax error, unexpected number calc: error: 2222 != 1]) @@ -611,14 +609,16 @@ 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}]) # ----------------------- # @@ -640,6 +640,7 @@ 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]) @@ -651,10 +652,12 @@ 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}]) # ----------------------------- # @@ -674,13 +677,15 @@ m4_define([AT_CHECK_CALC_LALR1_CC], [AT_CHECK_CALC([%language "C++" %defines %locations] $@)]) AT_CHECK_CALC_LALR1_CC([]) -AT_CHECK_CALC_LALR1_CC([%define location_type Span]) +AT_CHECK_CALC_LALR1_CC([%define api.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}]) @@ -701,7 +706,9 @@ 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 api.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]) @@ -709,3 +716,4 @@ 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}])