X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2905865228930b085dd967276a8f4de9578f276d..e4f0316ae096a728e62032fa33bc6c42cf4b6455:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index 7da26178..dedf568e 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,5 +1,7 @@ # Simple calculator. -*- Autotest -*- -# Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + +# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 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 @@ -13,8 +15,8 @@ # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. ## ---------------------------------------------------- ## ## Compile the grammar described in the documentation. ## @@ -37,7 +39,9 @@ m4_define([_AT_DATA_CALC_Y], [m4_fatal([$0: Invalid arguments: $@])])dnl AT_DATA_GRAMMAR([calc.y], [[/* Infix notation calculator--calc */ -]$4[ +]$4 +AT_SKEL_CC_IF( +[%define "global_tokens_and_yystype"])[ %{ #include @@ -50,6 +54,7 @@ AT_DATA_GRAMMAR([calc.y], # define alarm(seconds) /* empty */ #endif #include +#define USE(Var) /* Exercise pre-prologue dependency to %union. */ typedef int semantic_value; @@ -66,19 +71,38 @@ static int global_count = 0; %{ static int power (int base, int exponent); -]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;], +]AT_SKEL_CC_IF( +[#ifndef YYLTYPE +[#] define YYLTYPE AT_NAME_PREFIX::location +#endif +#define first_line begin.line +#define first_column begin.column +#define last_line end.line +#define last_column end.column +], [/* yyerror receives the location if: - %location & %pure & %glr - %location & %pure & %yacc & %parse-param. */ -static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ]) +static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) AT_PARAM_IF([semantic_value *result, int *count, ]) const char *s );])[ static int yylex (]AT_LEX_FORMALS[); -static int yygetc (]AT_LEX_FORMALS[); -static void yyungetc (]AT_LEX_PRE_FORMALS[ int c); +static int get_char (]AT_LEX_FORMALS[); +static void unget_char (]AT_LEX_PRE_FORMALS[ int c); %} +]AT_SKEL_CC_IF( +[/* The lalr1.cc skeleton, for backward compatibility, defines + a constructor for position that initializes the filename. The + glr.cc skeleton does not (and in fact cannot: location/position + are stored in a union, from which objects with constructors are + excluded in C++. */ +%initial-action { + @$.initialize (0); +} +])[ + /* Bison Declarations */ %token CALC_EOF 0 "end of input" %token NUM "number" @@ -99,7 +123,7 @@ input: line: '\n' -| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1;])[ } +| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; } ; exp: @@ -118,38 +142,32 @@ exp: | exp '^' exp { $$ = power ($1, $3); } | '(' exp ')' { $$ = $2; } | '(' error ')' { $$ = 1111; } -| '!' { YYERROR; } -| '-' error { YYERROR; } +| '!' { $$ = 0; YYERROR; } +| '-' error { $$ = 0; YYERROR; } ; %% -/* The input. */ -static FILE *yyin; - -]AT_LALR1_CC_IF( -[/* Currently, print_ is required in C++. */ -void -yy::Parser::print_ () -{ -AT_LOCATION_IF([ - std::cerr << location;]) -} +/* The input. */ +static FILE *input; -/* A C++ error reporting function. */ +]AT_SKEL_CC_IF( +[/* A C++ error reporting function. */ void -yy::Parser::error_ () +AT_NAME_PREFIX::parser::error (const location& l, const std::string& m) { - std::cerr << AT_LOCATION_IF([location << ": " << ])message << std::endl; + (void) l; + std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl; } int yyparse (AT_PARAM_IF([semantic_value *result, int *count])) { - yy::Parser parser (!!YYDEBUG[]AT_LOCATION_IF([, yy::Location ()])AT_PARAM_IF([, result, count])); + AT_NAME_PREFIX::parser parser[]AT_PARAM_IF([ (result, count)]); + parser.set_debug_level (!!YYDEBUG); return parser.parse (); } ], [static void -yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ]) +yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) AT_PARAM_IF([semantic_value *result, int *count, ]) const char *s) { @@ -172,61 +190,56 @@ AT_YYERROR_SEES_LOC_IF([ static YYLTYPE last_yylloc; ])[ static int -yygetc (]AT_LEX_FORMALS[) +get_char (]AT_LEX_FORMALS[) { - int res = getc (yyin); + int res = getc (input); ]AT_USE_LEX_ARGS[; ]AT_LOCATION_IF([ last_yylloc = AT_LOC; if (res == '\n') { -AT_LALR1_CC_IF( -[ AT_LOC.end.line++; - AT_LOC.end.column = 0;], -[ AT_LOC.last_line++; - AT_LOC.last_column = 0;]) + AT_LOC.last_line++; + AT_LOC.last_column = 0; } else -AT_LALR1_CC_IF( -[ AT_LOC.end.column++;], -[ AT_LOC.last_column++;]) + AT_LOC.last_column++; ])[ return res; } static void -yyungetc (]AT_LEX_PRE_FORMALS[ int c) +unget_char (]AT_LEX_PRE_FORMALS[ int c) { ]AT_USE_LEX_ARGS[; ]AT_LOCATION_IF([ /* Wrong when C == `\n'. */ AT_LOC = last_yylloc; ])[ - ungetc (c, yyin); + ungetc (c, input); } static int read_signed_integer (]AT_LEX_FORMALS[) { - int c = yygetc (]AT_LEX_ARGS[); + int c = get_char (]AT_LEX_ARGS[); int sign = 1; int n = 0; ]AT_USE_LEX_ARGS[; if (c == '-') { - c = yygetc (]AT_LEX_ARGS[); + c = get_char (]AT_LEX_ARGS[); sign = -1; } while (isdigit (c)) { n = 10 * n + (c - '0'); - c = yygetc (]AT_LEX_ARGS[); + c = get_char (]AT_LEX_ARGS[); } - yyungetc (]AT_LEX_PRE_ARGS[ c); + unget_char (]AT_LEX_PRE_ARGS[ c); return sign * n; } @@ -248,33 +261,30 @@ yylex (]AT_LEX_FORMALS[) if (init) { init = 0; -]AT_LALR1_CC_IF([], -[AT_LOCATION_IF([ +]AT_LOCATION_IF([ AT_LOC.last_column = 0; AT_LOC.last_line = 1; -])])[ +])[ } -]AT_LOCATION_IF([AT_LALR1_CC_IF( -[ AT_LOC.begin = AT_LOC.end;], -[ AT_LOC.first_column = AT_LOC.last_column; +]AT_LOCATION_IF([ + 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') + while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t') { -]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_line = AT_LOC.last_line; -])])[ +])[ } /* process numbers */ if (c == '.' || isdigit (c)) { - yyungetc (]AT_LEX_PRE_ARGS[ c); + unget_char (]AT_LEX_PRE_ARGS[ c); ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[); return NUM; } @@ -292,7 +302,7 @@ power (int base, int exponent) { int res = 1; if (exponent < 0) - exit (1); + exit (3); for (/* Niente */; exponent; --exponent) res *= base; return res; @@ -306,19 +316,23 @@ main (int argc, const char **argv) int count = 0; int status; - alarm (10); + /* 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) - yyin = fopen (argv[1], "r"); + input = fopen (argv[1], "r"); else - yyin = stdin; + input = stdin; - if (!yyin) + if (!input) { perror (argv[1]); - exit (1); + return 3; } -]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug], +]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug], [ yydebug = 1;])])[ status = yyparse (]AT_PARAM_IF([&result, &count])[); if (global_result != result) @@ -340,12 +354,14 @@ m4_define([AT_DATA_CALC_Y], -# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES = 0]) -# ------------------------------------------------------------ +# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES]) +# -------------------------------------------------------- # Run `calc' on INPUT and expect no STDOUT nor STDERR. # # If BISON-OPTIONS contains `%debug' but not `%glr-parser', then +# # NUM-STDERR-LINES is the number of expected lines on stderr. +# Currently this is ignored, though, since the output format is fluctuating. # # We don't count GLR's traces yet, since its traces are somewhat # different from LALR's. @@ -354,17 +370,11 @@ m4_define([_AT_CHECK_CALC], [[$2 ]]) AT_PARSER_CHECK([./calc input], 0, [], [stderr]) -m4_bmatch([$1], - [%debug.*%glr\|%glr.*%debug], - [], - [%debug], - [AT_CHECK([wc -l at-stderr mv at-stderr stderr # 2. Create the reference error message. @@ -427,8 +436,8 @@ AT_CHECK([cat stderr], 0, [expout]) ]) -# AT_CHECK_CALC([BISON-OPTIONS [, EXPECTED-TO-FAIL]]) -# ------------------------------ +# AT_CHECK_CALC([BISON-OPTIONS, [EXPECTED-TO-FAIL]]) +# -------------------------------------------------- # 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. @@ -442,11 +451,11 @@ 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]) - -AT_LALR1_CC_IF([AT_COMPILE_CXX([calc])], - [AT_COMPILE([calc])]) +AT_SKEL_CC_IF( + [AT_CHECK([bison -o calc.cc calc.y]) + AT_COMPILE_CXX([calc])], + [AT_CHECK([bison -o calc.c calc.y]) + AT_COMPILE([calc])]) # Test the priorities. _AT_CHECK_CALC([$1], @@ -463,25 +472,25 @@ _AT_CHECK_CALC([$1], 2^2^3 = 256 (2^2)^3 = 64], - [486]) + [842]) # Some syntax errors. -_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11], - [1.2: syntax error, unexpected "number"]) -_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15], - [1.2: syntax error, unexpected '/', expecting "number" or '-' or '(' or '!']) -_AT_CHECK_CALC_ERROR([$1], [1], [error], [4], +_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [15], + [1.2: syntax error, unexpected number]) +_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [20], + [1.2: syntax error, unexpected '/', expecting number or '-' or '(' or '!']) +_AT_CHECK_CALC_ERROR([$1], [1], [error], [5], [1.0: syntax error, unexpected $undefined]) -_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22], +_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30], [1.6: syntax error, unexpected '=']) _AT_CHECK_CALC_ERROR([$1], [1], [ +1], - [14], + [20], [2.0: syntax error, unexpected '+']) # Exercise error messages with EOF: work on an empty file. _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4], - [1.0: syntax error, unexpected "end of input"]) + [1.0: syntax error, unexpected end of input]) # Exercise the error token: without it, we die at the first error, # hence be sure to @@ -494,28 +503,28 @@ _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4], # # - test the action associated to `error' # -# - check the lookahead that triggers an error is not discarded -# when we enter error recovery. Below, the lookahead causing the +# - check the look-ahead that triggers an error is not discarded +# when we enter error recovery. Below, the look-ahead causing the # first error is ")", which is needed to recover from the error and # produce the "0" that triggers the "0 != 1" error. # _AT_CHECK_CALC_ERROR([$1], [0], [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1], - [156], -[1.1: syntax error, unexpected ')', expecting "number" or '-' or '(' or '!' -1.17: syntax error, unexpected ')', expecting "number" or '-' or '(' or '!' -1.22: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!' -1.40: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!' + [250], +[1.1: syntax error, unexpected ')', expecting number or '-' or '(' or '!' +1.17: syntax error, unexpected ')', expecting number or '-' or '(' or '!' +1.22: syntax error, unexpected '*', expecting number or '-' or '(' or '!' +1.40: syntax error, unexpected '*', expecting number or '-' or '(' or '!' 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], [62], -[1.9: syntax error, unexpected "number" +# POSIX says the look-ahead causing the error should not be discarded. +_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [102], +[1.9: syntax error, unexpected number calc: error: 2222 != 1]) -_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [70], -[1.3: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!' -1.11: syntax error, unexpected "number" +_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113], +[1.3: syntax error, unexpected '*', expecting number or '-' or '(' or '!' +1.11: syntax error, unexpected number calc: error: 2222 != 1]) AT_BISON_OPTION_POPDEFS @@ -529,7 +538,7 @@ AT_CLEANUP # Simple LALR Calculator. # # ------------------------ # -AT_BANNER([[Simple LALR Calculator.]]) +AT_BANNER([[Simple LALR(1) Calculator.]]) # AT_CHECK_CALC_LALR([BISON-OPTIONS]) # ----------------------------------- @@ -600,34 +609,45 @@ AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name- # Simple LALR1 C++ Calculator. # # ----------------------------- # -AT_BANNER([[Simple LALR1 C++ Calculator.]]) +AT_BANNER([[Simple LALR(1) C++ Calculator.]]) # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS]) # --------------------------------------- # Start a testing chunk which compiles `calc' grammar with # the C++ skeleton, and performs several tests over the parser. m4_define([AT_CHECK_CALC_LALR1_CC], -[AT_CHECK_CALC([%skeleton "lalr1.cc"] $@)]) +[AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations] $@)]) -# AT_CHECK_CALC_LALR1_CC() +AT_CHECK_CALC_LALR1_CC([]) +AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix="calc" %verbose %yacc]) -AT_CHECK_CALC_LALR1_CC([%defines %locations]) +AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix="calc" %verbose %yacc]) -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([%yacc]) -# AT_CHECK_CALC_LALR1_CC([%error-verbose]) +AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc]) -# AT_CHECK_CALC_LALR1_CC([%pure-parser %locations]) -# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations]) +AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) + + + +# --------------------------- # +# Simple GLR C++ Calculator. # +# --------------------------- # + +AT_BANNER([[Simple GLR C++ Calculator.]]) + +# AT_CHECK_CALC_GLR_CC([BISON-OPTIONS]) +# ------------------------------------- +# Start a testing chunk which compiles `calc' grammar with +# the GLR C++ skeleton, and performs several tests over the parser. +m4_define([AT_CHECK_CALC_GLR_CC], +[AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations] $@)]) -AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) +#AT_CHECK_CALC_GLR_CC([]) +#AT_CHECK_CALC_GLR_CC([%error-verbose %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_GLR_CC([%debug]) +#AT_CHECK_CALC_GLR_CC([%error-verbose %debug %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_GLR_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc]) -AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])