X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/147e184ccc8bbdfb5111c773118902836370e2af..8a0adb01838b1b432849f34305ed0144f4716b5c:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index 5fa17f44..db92f700 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,5 +1,7 @@ -# Checking the output filenames. -*- Autotest -*- -# Copyright 2000, 2001 Free Software Foundation, Inc. +# Simple calculator. -*- Autotest -*- + +# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 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 @@ -13,10 +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. - -AT_BANNER([[Simple Calculator.]]) +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. ## ---------------------------------------------------- ## ## Compile the grammar described in the documentation. ## @@ -28,8 +28,8 @@ AT_BANNER([[Simple Calculator.]]) # ------------------------- # -# _AT_DATA_CALC_Y($1, $2, $3, [CPP-DIRECTIVES]) -# --------------------------------------------- +# _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES]) +# ----------------------------------------------- # Produce `calc.y'. 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 @@ -37,35 +37,54 @@ AT_BANNER([[Simple Calculator.]]) m4_define([_AT_DATA_CALC_Y], [m4_if([$1$2$3], $[1]$[2]$[3], [], [m4_fatal([$0: Invalid arguments: $@])])dnl -AT_DATA([calc.y], +AT_DATA_GRAMMAR([calc.y], [[/* Infix notation calculator--calc */ - +]$4[ %{ -#include -/* We don't need a perfect malloc for these tests. */ -#undef malloc #include -#if STDC_HEADERS -# include -# include +#include +#include +#if HAVE_UNISTD_H +# include #else -char *strcat(char *dest, const char *src); +# undef alarm +# define alarm(seconds) /* empty */ #endif #include -static int power (int base, int exponent); -static void yyerror (const char *s); -static int yylex (void); -static int yygetc (void); -static void yyungetc (int c); +/* Exercise pre-prologue dependency to %union. */ +typedef int semantic_value; -extern void perror (const char *s); +static semantic_value global_result = 0; +static int global_count = 0; +%} + +/* Exercise %union. */ +%union +{ + semantic_value ival; +}; + +%{ +static int power (int base, int exponent); +]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([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); %} /* Bison Declarations */ -%token CALC_EOF 0 -%token NUM +%token CALC_EOF 0 "end of input" +%token NUM "number" +%type exp %nonassoc '=' /* comparison */ %left '-' '+' @@ -73,27 +92,25 @@ extern void perror (const char *s); %left NEG /* negation--unary minus */ %right '^' /* exponentiation */ -]$4[ - /* Grammar follows */ %% input: - /* empty string */ -| input line + line +| input line { ]AT_PARAM_IF([++*count; ++global_count;])[ } ; line: '\n' -| exp '\n' +| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1;])[ } ; exp: NUM { $$ = $1; } | exp '=' exp { - if ($1 != $3) - printf ("calc: error: %d != %d\n", $1, $3); - $$ = $1 == $3; + if ($1 != $3) + fprintf (stderr, "calc: error: %d != %d\n", $1, $3); + $$ = $1; } | exp '+' exp { $$ = $1 + $3; } | exp '-' exp { $$ = $1 - $3; } @@ -102,69 +119,110 @@ exp: | '-' exp %prec NEG { $$ = -$2; } | exp '^' exp { $$ = power ($1, $3); } | '(' exp ')' { $$ = $2; } +| '(' error ')' { $$ = 1111; } +| '!' { YYERROR; } +| '-' error { YYERROR; } ; %% /* The input. */ -FILE *yyin; +static FILE *yyin; -static void -yyerror (const char *s) +]AT_LALR1_CC_IF( +[/* A C++ error reporting function. */ +void +yy::parser::error (const location& l, const std::string& m) { -#if YYLSP_NEEDED - fprintf (stderr, "%d.%d:%d.%d: ", - yylloc.first_line, yylloc.first_column, - yylloc.last_line, yylloc.last_column); -#endif - fprintf (stderr, "%s\n", s); + (void) l; + std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl; } +int +yyparse (AT_PARAM_IF([semantic_value *result, int *count])) +{ + yy::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, ]) + 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_LOCATION_IF([ +static YYLTYPE last_yylloc; +])[ static int -yygetc (void) +yygetc (]AT_LEX_FORMALS[) { int res = getc (yyin); -#if YYLSP_NEEDED + ]AT_USE_LEX_ARGS[; +]AT_LOCATION_IF([ + last_yylloc = AT_LOC; if (res == '\n') { - yylloc.last_line++; - yylloc.last_column = 0; +AT_LALR1_CC_IF( +[ AT_LOC.end.line++; + AT_LOC.end.column = 0;], +[ AT_LOC.last_line++; + AT_LOC.last_column = 0;]) } else - yylloc.last_column++; -#endif +AT_LALR1_CC_IF( +[ AT_LOC.end.column++;], +[ AT_LOC.last_column++;]) +])[ return res; } static void -yyungetc (int c) +yyungetc (]AT_LEX_PRE_FORMALS[ int c) { -#if YYLSP_NEEDED + ]AT_USE_LEX_ARGS[; +]AT_LOCATION_IF([ /* Wrong when C == `\n'. */ - yylloc.last_column--; -#endif + AT_LOC = last_yylloc; +])[ ungetc (c, yyin); } static int -read_signed_integer (void) +read_signed_integer (]AT_LEX_FORMALS[) { - int c = yygetc (); + int c = yygetc (]AT_LEX_ARGS[); int sign = 1; int n = 0; + ]AT_USE_LEX_ARGS[; if (c == '-') { - c = yygetc (); + c = yygetc (]AT_LEX_ARGS[); sign = -1; } while (isdigit (c)) { n = 10 * n + (c - '0'); - c = yygetc (); + c = yygetc (]AT_LEX_ARGS[); } - yyungetc (c); + yyungetc (]AT_LEX_PRE_ARGS[ c); return sign * n; } @@ -178,29 +236,42 @@ read_signed_integer (void) `---------------------------------------------------------------*/ static int -yylex (void) +yylex (]AT_LEX_FORMALS[) { + static int init = 1; int c; -#if YYLSP_NEEDED - yylloc.first_column = yylloc.last_column; - yylloc.first_line = yylloc.last_line; -#endif + if (init) + { + init = 0; +]AT_LALR1_CC_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_LOC.first_line = AT_LOC.last_line; +])])[ /* Skip white space. */ - while ((c = yygetc ()) == ' ' || c == '\t') + while ((c = yygetc (]AT_LEX_ARGS[)) == ' ' || c == '\t') { -#if YYLSP_NEEDED - yylloc.first_column = yylloc.last_column; - yylloc.first_line = yylloc.last_line; -#endif +]AT_LOCATION_IF([AT_LALR1_CC_IF( +[ AT_LOC.begin = AT_LOC.end;], +[ AT_LOC.first_column = AT_LOC.last_column; + AT_LOC.first_line = AT_LOC.last_line; +])])[ } /* process numbers */ if (c == '.' || isdigit (c)) { - yyungetc (c); - yylval = read_signed_integer (); + yyungetc (]AT_LEX_PRE_ARGS[ c); + ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[); return NUM; } @@ -223,10 +294,18 @@ power (int base, int exponent) return res; } + int main (int argc, const char **argv) { - yyin = NULL; + 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) yyin = fopen (argv[1], "r"); @@ -239,15 +318,14 @@ main (int argc, const char **argv) exit (1); } -#if YYDEBUG - yydebug = 1; -#endif -#if YYLSP_NEEDED - yylloc.last_column = 0; - yylloc.last_line = 1; -#endif - yyparse (); - return 0; +]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug], +[ yydebug = 1;])])[ + status = yyparse (]AT_PARAM_IF([&result, &count])[); + if (global_result != result) + abort (); + if (global_count != count) + abort (); + return status; } ]]) ])# _AT_DATA_CALC_Y @@ -257,9 +335,8 @@ main (int argc, const char **argv) # ------------------------------- # Produce `calc.y'. m4_define([AT_DATA_CALC_Y], -[_AT_DATA_CALC_Y($[1], $[2], $[3], - [m4_bmatch([$1], [--yyerror-verbose], - [[%error-verbose]])])]) +[_AT_DATA_CALC_Y($[1], $[2], $[3], [$1]) +]) @@ -267,86 +344,109 @@ m4_define([AT_DATA_CALC_Y], # ------------------------------------------------------------ # Run `calc' on INPUT and expect no STDOUT nor STDERR. # -# If BISON-OPTIONS contains `--debug', then NUM-STDERR-LINES is the number -# of expected lines on stderr. +# If BISON-OPTIONS contains `%debug' but not `%glr-parser', then +# NUM-STDERR-LINES is the number of expected lines on stderr. +# +# We don't count GLR's traces yet, since its traces are somewhat +# different from LALR's. m4_define([_AT_CHECK_CALC], [AT_DATA([[input]], [[$2 ]]) -AT_CHECK([calc input], 0, [], [stderr])dnl -AT_CHECK([wc -l at-stderr +AT_PARSER_CHECK([./calc input], $2, [], [stderr])]) +m4_bmatch([$1], + [%debug.*%glr\|%glr.*%debug], + [], + [%debug], + [AT_CHECK([wc -l at-stderr mv at-stderr stderr - -AT_CHECK([cat stderr], 0, -[m4_bmatch([$1], [--location], [$4: ])[]dnl -parse error[]dnl -m4_bmatch([$1], [--yyerror-verbose], [, $5])[]dnl - +# 2. Create the reference error message. +AT_DATA([[expout]], +[$5 ]) - +# 3. If locations are not used, remove them. +AT_YYERROR_SEES_LOC_IF([], +[[sed 's/^[-0-9.]*: //' expout >at-expout +mv at-expout expout]]) +# 4. If error-verbose is not used, strip the`, unexpected....' part. +m4_bmatch([$1], [%error-verbose], [], +[[sed 's/syntax error, .*$/syntax error/' expout >at-expout +mv at-expout expout]]) +# 5. Check +AT_CHECK([cat stderr], 0, [expout]) ]) -# AT_CHECK_CALC([BISON-OPTIONS], [PARSER-EXPECTED-STDERR]) -# -------------------------------------------------------- +# 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. m4_define([AT_CHECK_CALC], [# We use integers to avoid dependencies upon the precision of doubles. AT_SETUP([Calculator $1]) +m4_ifval([$2], [AT_CHECK([exit 77])]) + +AT_BISON_OPTION_PUSHDEFS([$1]) + AT_DATA_CALC_Y([$1]) -# Specify the output files to avoid problems on different file systems. -AT_CHECK([bison calc.y -o calc.c m4_bpatsubst([$1], [--yyerror-verbose])], - [0], [], []) - -# Some compilers issue warnings we don't want to hear about. -# Maybe some day we will have proper Autoconf macros to disable these -# warnings, but this place is not the right one for that. -# So let's keep only GCC warnings, which we know are sane. -# Well, that's only part of the story: some assemblers issue warnings -# which can be totally useless, and actually polluting. It seems that -# the best bet be to completely ignore stderr, but to pass -Werror -# to GCC. -if test "$GCC" = yes; then - CFLAGS="$CFLAGS -Werror" -fi -AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [ignore]) +AT_LALR1_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], @@ -362,27 +462,62 @@ _AT_CHECK_CALC([$1], 1 - (2 - 3) = 2 2^2^3 = 256 -(2^2)^3 = 64], [491]) - -# Some parse errors. -_AT_CHECK_CALC_ERROR([$1], [+1], [8], - [1.0:1.1], - [unexpected '+']) -_AT_CHECK_CALC_ERROR([$1], [1//2], [17], - [1.2:1.3], - [unexpected '/', expecting NUM or '-' or '(']) -_AT_CHECK_CALC_ERROR([$1], [error], [8], - [1.0:1.1], - [unexpected $undefined.]) -_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [23], - [1.6:1.7], - [unexpected '=']) -_AT_CHECK_CALC_ERROR([$1], +(2^2)^3 = 64], + [570]) + +# Some syntax errors. +_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [13], + [1.2: syntax error, unexpected number]) +_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [18], + [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], [26], + [1.6: syntax error, unexpected '=']) +_AT_CHECK_CALC_ERROR([$1], [1], [ +1], [16], - [2.0:2.1], - [unexpected '+']) + [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]) + +# Exercise the error token: without it, we die at the first error, +# hence be sure to +# +# - have several errors which exercise different shift/discardings +# - (): nothing to pop, nothing to discard +# - (1 + 1 + 1 +): a lot to pop, nothing to discard +# - (* * *): nothing to pop, a lot to discard +# - (1 + 2 * *): some to pop and discard +# +# - test the action associated to `error' +# +# - 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], + [188], +[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 look-ahead causing the error should not be discarded. +_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [75], +[1.9: syntax error, unexpected number +calc: error: 2222 != 1]) +_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [85], +[1.3: syntax error, unexpected '*', expecting number or '-' or '(' or '!' +1.11: syntax error, unexpected number +calc: error: 2222 != 1]) +AT_BISON_OPTION_POPDEFS AT_CLEANUP ])# AT_CHECK_CALC @@ -390,22 +525,109 @@ AT_CLEANUP -# ------------------ # -# Test the parsers. # -# ------------------ # +# ------------------------ # +# Simple LALR Calculator. # +# ------------------------ # + +AT_BANNER([[Simple LALR Calculator.]]) + +# AT_CHECK_CALC_LALR([BISON-OPTIONS]) +# ----------------------------------- +# Start a testing chunk which compiles `calc' grammar with +# BISON-OPTIONS, and performs several tests over the parser. +m4_define([AT_CHECK_CALC_LALR], +[AT_CHECK_CALC($@)]) + +AT_CHECK_CALC_LALR() + +AT_CHECK_CALC_LALR([%defines]) +AT_CHECK_CALC_LALR([%locations]) +AT_CHECK_CALC_LALR([%name-prefix="calc"]) +AT_CHECK_CALC_LALR([%verbose]) +AT_CHECK_CALC_LALR([%yacc]) +AT_CHECK_CALC_LALR([%error-verbose]) + +AT_CHECK_CALC_LALR([%pure-parser %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([%debug]) +AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) + +AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) + +AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) + + +# ----------------------- # +# Simple GLR Calculator. # +# ----------------------- # + +AT_BANNER([[Simple GLR Calculator.]]) + +# AT_CHECK_CALC_GLR([BISON-OPTIONS]) +# ---------------------------------- +# Start a testing chunk which compiles `calc' grammar with +# BISON-OPTIONS and %glr-parser, and performs several tests over the parser. +m4_define([AT_CHECK_CALC_GLR], +[AT_CHECK_CALC([%glr-parser] $@)]) + + +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([%verbose]) +AT_CHECK_CALC_GLR([%yacc]) +AT_CHECK_CALC_GLR([%error-verbose]) + +AT_CHECK_CALC_GLR([%pure-parser %locations]) +AT_CHECK_CALC_GLR([%error-verbose %locations]) + +AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) + +AT_CHECK_CALC_GLR([%debug]) +AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) + +AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) + +AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) + + +# ----------------------------- # +# Simple LALR1 C++ Calculator. # +# ----------------------------- # + +AT_BANNER([[Simple LALR1 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_LALR1_CC() + +AT_CHECK_CALC_LALR1_CC([%defines %locations]) + +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() +# AT_CHECK_CALC_LALR1_CC([%pure-parser %locations]) +# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations]) -AT_CHECK_CALC([--defines]) -AT_CHECK_CALC([--locations]) -AT_CHECK_CALC([--name-prefix=calc]) -AT_CHECK_CALC([--verbose]) -AT_CHECK_CALC([--yacc]) -AT_CHECK_CALC([--yyerror-verbose]) +AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) -AT_CHECK_CALC([--locations --yyerror-verbose]) +# AT_CHECK_CALC_LALR1_CC([%debug]) +AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) -AT_CHECK_CALC([--defines --locations --name-prefix=calc --verbose --yacc --yyerror-verbose]) +AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) -AT_CHECK_CALC([--debug]) -AT_CHECK_CALC([--debug --defines --locations --name-prefix=calc --verbose --yacc --yyerror-verbose]) +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}])