X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0f39aab92ab23bc067a3aa102bb56a600c045775..465df9c65c7022a66e9cea7145b80886174e90af:/tests/calc.at?ds=sidebyside diff --git a/tests/calc.at b/tests/calc.at index c3873e57..984e6b5f 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,20 +1,19 @@ -# Checking the output filenames. -*- Autotest -*- -# Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. +# Simple calculator. -*- Autotest -*- -# 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 -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# 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 +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. - +# # 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. +# along with this program. If not, see . ## ---------------------------------------------------- ## ## Compile the grammar described in the documentation. ## @@ -28,310 +27,360 @@ # _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 -# AT_DATA_CALC_Y does. +# Produce `calc.y' and, if %defines was specified, `calc-lex.c' or +# `calc-lex.cc'. +# +# 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 -AT_DATA_GRAMMAR([calc.y], -[[/* Infix notation calculator--calc */ -]$4[ -%{ -#include - -#if STDC_HEADERS -# include -# include -#endif -#include -#include - -extern void perror (const char *s); -/* Exercise pre-prologue dependency to %union. */ -typedef int value_t; +m4_pushdef([AT_CALC_MAIN], +[#include +#include -value_t global_result = 0; -int global_count = 0; - -%} - -/* Exercise %union. */ -%union +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]))[ { - value_t ival; -}; - -%{ -#if YYPURE -# define LOC (*yylloc) -# define VAL (*yylval) -#else -# define LOC (yylloc) -# define VAL (yylval) + ]AT_NAME_PREFIX[::parser parser]AT_PARAM_IF([ (result, count)])[; +#if ]AT_API_PREFIX[DEBUG + parser.set_debug_level (1); #endif + return parser.parse (); +} +]])[ -#define YYLLOC_FORMAL ]AT_LOCATION_IF([, YYLTYPE *yylloc])[ -#define YYLLOC_ARG ]AT_LOCATION_IF([, yylloc])[ -#define USE_YYLLOC ]AT_LOCATION_IF([(void) yylloc;])[ - -#if YYPURE -# define LEX_FORMALS YYSTYPE *yylval YYLLOC_FORMAL -# define LEX_ARGS yylval YYLLOC_ARG -# define USE_LEX_ARGS (void) yylval; USE_YYLLOC -# define LEX_PRE_FORMALS LEX_FORMALS, -# define LEX_PRE_ARGS LEX_ARGS, -#else -# define LEX_FORMALS void -# define LEX_PRE_FORMALS -# define LEX_ARGS -# define LEX_PRE_ARGS -# define USE_LEX_ARGS -#endif +semantic_value global_result = 0; +int global_count = 0; -static int power (int base, int exponent); -/* 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_t *result, int *count, ])[ - const char *s - ); -static int yylex (LEX_FORMALS); -static int yygetc (LEX_FORMALS); -static void yyungetc (LEX_PRE_FORMALS int c); -%} +/* A C main function. */ +int +main (int argc, const char **argv) +{ + semantic_value result = 0; + int count = 0; + int status; -/* Bison Declarations */ -%token CALC_EOF 0 "end of input" -%token NUM "number" -%type exp + /* 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); -%nonassoc '=' /* comparison */ -%left '-' '+' -%left '*' '/' -%left NEG /* negation--unary minus */ -%right '^' /* exponentiation */ + if (argc == 2) + input = fopen (argv[1], "r"); + else + input = stdin; -/* Grammar follows */ -%% -input: - line -| input line { ]AT_PARAM_IF([++*count; ++global_count;])[ } -; + if (!input) + { + perror (argv[1]); + return 3; + } -line: - '\n' -| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1;])[ } -; +]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; +} +]]) -exp: - NUM { $$ = $1; } -| exp '=' exp - { - if ($1 != $3) - fprintf (stderr, "calc: error: %d != %d\n", $1, $3); - $$ = $1; - } -| exp '+' exp { $$ = $1 + $3; } -| exp '-' exp { $$ = $1 - $3; } -| exp '*' exp { $$ = $1 * $3; } -| exp '/' exp { $$ = $1 / $3; } -| '-' exp %prec NEG { $$ = -$2; } -| exp '^' exp { $$ = power ($1, $3); } -| '(' exp ')' { $$ = $2; } -| '(' error ')' { $$ = 0; } -; -%% -/* The input. */ -FILE *yyin; -static void -yyerror (]AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])[ - ]AT_PARAM_IF([value_t *result, int *count, ])[ - const char *s - ) -{ -]AT_PARAM_IF([(void) result; (void) count; ])[ -]AT_YYERROR_SEES_LOC_IF([ - fprintf (stderr, "%d.%d-%d.%d: ", - LOC.first_line, LOC.first_column, - LOC.last_line, LOC.last_column); -])[ - fprintf (stderr, "%s\n", s); -} +m4_pushdef([AT_CALC_LEX], +[[#include +]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 -yygetc (LEX_FORMALS) +get_char (]AT_YYLEX_FORMALS[) { - int res = getc (yyin); - USE_LEX_ARGS; + int res = getc (input); + ]AT_USE_LEX_ARGS[; ]AT_LOCATION_IF([ - last_yylloc = LOC; + last_yylloc = AT_LOC; if (res == '\n') { - LOC.last_line++; - LOC.last_column = 1; + AT_LOC_LAST_LINE++; + AT_LOC_LAST_COLUMN = 1; } else - LOC.last_column++; + AT_LOC_LAST_COLUMN++; ])[ return res; } - static void -yyungetc (LEX_PRE_FORMALS int c) +unget_char (]AT_YYLEX_PRE_FORMALS[ int c) { - USE_LEX_ARGS; + ]AT_USE_LEX_ARGS[; ]AT_LOCATION_IF([ /* Wrong when C == `\n'. */ - LOC = last_yylloc; + AT_LOC = last_yylloc; ])[ - ungetc (c, yyin); + ungetc (c, input); } static int -read_signed_integer (LEX_FORMALS) +read_signed_integer (]AT_YYLEX_FORMALS[) { - int c = yygetc (LEX_ARGS); + int c = get_char (]AT_YYLEX_ARGS[); int sign = 1; int n = 0; - USE_LEX_ARGS; + ]AT_USE_LEX_ARGS[; if (c == '-') { - c = yygetc (LEX_ARGS); + c = get_char (]AT_YYLEX_ARGS[); sign = -1; } while (isdigit (c)) { n = 10 * n + (c - '0'); - c = yygetc (LEX_ARGS); + c = get_char (]AT_YYLEX_ARGS[); } - yyungetc (LEX_PRE_ARGS c); + unget_char (]AT_YYLEX_PRE_ARGS[ c); return sign * n; } - /*---------------------------------------------------------------. | Lexical analyzer returns an integer on the stack and the token | | NUM, or the ASCII character read if not a number. Skips all | | blanks and tabs, returns 0 for EOF. | `---------------------------------------------------------------*/ -static int -yylex (LEX_FORMALS) +]AT_YYLEX_PROTOTYPE[ { - static int init = 1; int c; - - if (init) + /* Skip current token, then white spaces. */ + do { - init = 0; -]AT_LOCATION_IF([ - LOC.last_column = 1; - LOC.last_line = 1; -])[ - } - -]AT_LOCATION_IF([ - LOC.first_column = LOC.last_column; - LOC.first_line = LOC.last_line; -])[ - - /* Skip white space. */ - while ((c = yygetc (LEX_ARGS)) == ' ' || c == '\t') - { -]AT_LOCATION_IF([ - LOC.first_column = LOC.last_column; - LOC.first_line = LOC.last_line; +]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)) { - yyungetc (LEX_PRE_ARGS c); - VAL.ival = read_signed_integer (LEX_ARGS); - return NUM; + unget_char (]AT_YYLEX_PRE_ARGS[ c); + ]AT_VAL[.ival = read_signed_integer (]AT_YYLEX_ARGS[); + return ]AT_TOKEN_PREFIX[NUM; } /* Return end-of-file. */ if (c == EOF) - return CALC_EOF; + return ]AT_TOKEN_PREFIX[CALC_EOF; /* Return single chars. */ return c; } +]]) + +AT_DATA_GRAMMAR([calc.y], +[[/* Infix notation calculator--calc */ +]$4 +AT_SKEL_CC_IF( +[%define global_tokens_and_yystype])[ +%code requires +{ +]AT_LOCATION_TYPE_IF([[ +# include + struct Point + { + int l; + int c; + }; + + struct Span + { + 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; +} + +/* Exercise %union. */ +%union +{ + semantic_value ival; +}; +%printer { ]AT_SKEL_CC_IF([[yyoutput << $$]], + [[fprintf (yyoutput, "%d", $$)]])[; } ; + +%code provides +{ + #include + /* The input. */ + extern FILE *input; + extern semantic_value global_result; + extern int global_count; +} + +%code +{ +#include +#include +#define USE(Var) + +FILE *input; +static int power (int base, int exponent); + +]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 */ +%left '-' '+' +%left '*' '/' +%precedence NEG /* negation--unary minus */ +%right '^' /* exponentiation */ + +/* Grammar follows */ +%% +input: + line +| input line { ]AT_PARAM_IF([++*count; ++global_count;])[ } +; + +line: + '\n' +| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1], [USE ($1)])[; } +; + +exp: + NUM { $$ = $1; } +| exp '=' exp + { + if ($1 != $3) + fprintf (stderr, "calc: error: %d != %d\n", $1, $3); + $$ = $1; + } +| exp '+' exp { $$ = $1 + $3; } +| exp '-' exp { $$ = $1 - $3; } +| exp '*' exp { $$ = $1 * $3; } +| exp '/' exp { $$ = $1 / $3; } +| '-' exp %prec NEG { $$ = -$2; } +| exp '^' exp { $$ = power ($1, $3); } +| '(' exp ')' { $$ = $2; } +| '(' error ')' { $$ = 1111; yyerrok; } +| '!' { $$ = 0; YYERROR; } +| '-' error { $$ = 0; YYERROR; } +; +%% static int power (int base, int exponent) { int res = 1; - if (exponent < 0) - exit (1); + assert (0 <= exponent); for (/* Niente */; exponent; --exponent) res *= base; return res; } -int -main (int argc, const char **argv) -{ - value_t result = 0; - int count = 0; - int status = 0; - yyin = NULL; +]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])]) - if (argc == 2) - yyin = fopen (argv[1], "r"); - else - yyin = stdin; +AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])], +[[#include "calc.h]AT_SKEL_CC_IF([[h]])[" - if (!yyin) - { - perror (argv[1]); - exit (1); - } +]AT_CALC_LEX]) +AT_DATA_SOURCE([[calc-main.c]AT_SKEL_CC_IF([[c]])], +[[#include "calc.h]AT_SKEL_CC_IF([[h]])[" -#if YYDEBUG - yydebug = 1; -#endif - status = yyparse (]AT_PARAM_IF([&result, &count])[); - assert (global_result == result); - assert (global_count == count); - return status; -} -]]) +]AT_CALC_MAIN]) +]) +m4_popdef([AT_CALC_MAIN]) +m4_popdef([AT_CALC_LEX]) ])# _AT_DATA_CALC_Y # AT_DATA_CALC_Y([BISON-OPTIONS]) # ------------------------------- -# Produce `calc.y'. +# Produce `calc.y' and, if %defines was specified, `calc-lex.c' or +# `calc-lex.cc'. m4_define([AT_DATA_CALC_Y], [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1]) ]) -# _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. @@ -340,29 +389,26 @@ 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. @@ -405,80 +449,50 @@ 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([$1], [%error-verbose], [], -[[sed 's/parse error, .*$/parse error/' expout >at-expout +m4_bmatch([$1], [%define parse.error verbose], [], +[[sed 's/syntax error, .*$/syntax error/' expout >at-expout mv at-expout expout]]) # 5. Check AT_CHECK([cat stderr], 0, [expout]) ]) -# 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_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_GLR_IF], -[m4_bmatch([$3], [%glr-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_LOCATION_IF([AT_GLR_IF([$1], - [AT_PURE_IF([AT_PARAM_IF([$1], [$2])], - [$1])])], - [$2])]) +# AT_CHECK_SPACES([FILES]) +# ------------------------ +# Make sure we did not introduce bad spaces. Checked here because all +# the skeletons are (or should be) exercized here. +m4_define([AT_CHECK_SPACES], +[AT_CHECK([$PERL -ne ' + chomp; + print "$ARGV:$.: {$_}\n" + if (# No starting/ending empty lines. + (eof || $. == 1) && /^\s*$/ + # No trailing space. + || /\s$/ + # No tabs. + || /\t/ + )' $1 +])dnl ]) -# AT_CALC_POPDEFS -# --------------- -m4_define([AT_CHECK_POPDEFS], -[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_GLR_IF]) -m4_popdef([AT_LOCATION_IF]) -m4_popdef([AT_PARAM_IF]) -]) - - - # AT_CHECK_CALC([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], -[# We use integers to avoid dependencies upon the precision of doubles. +[m4_ifval([$2], [m4_fatal([$0: expected a single argument])]) + +# 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_COMPILE([calc]) +AT_FULL_COMPILE([calc], AT_DEFINES_IF([[lex], [main]])) +AT_CHECK_SPACES(m4_join([ ], + [calc.AT_SKEL_CC_IF([cc], [c])], + [AT_DEFINES_IF([calc.AT_SKEL_CC_IF([hh], [h])])])) # Test the priorities. _AT_CHECK_CALC([$1], @@ -495,35 +509,69 @@ _AT_CHECK_CALC([$1], 2^2^3 = 256 (2^2)^3 = 64], - [486]) - -# Some parse errors. -_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11], - [1.3-1.4: parse error, unexpected "number"]) -_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15], - [1.3-1.4: parse error, unexpected '/', expecting "number" or '-' or '(']) -_AT_CHECK_CALC_ERROR([$1], [1], [error], [4], - [1.1-1.2: parse error, unexpected $undefined, expecting "number" or '-' or '\n' or '(']) -_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22], - [1.7-1.8: parse error, unexpected '=']) + [842]) + +# Some syntax errors. +_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 '!']) +_AT_CHECK_CALC_ERROR([$1], [1], [error], [5], + [1.1: syntax error, unexpected $undefined]) +_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [30], + [1.7: syntax error, unexpected '=']) _AT_CHECK_CALC_ERROR([$1], [1], [ +1], - [14], - [2.1-2.2: parse error, unexpected '+']) + [20], + [2.1: syntax error, unexpected '+']) # Exercise error messages with EOF: work on an empty file. _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4], - [1.1-1.2: parse error, unexpected "end of input", expecting "number" or '-' or '\n' or '(']) + [1.1: syntax error, unexpected end of input]) # Exercise the error token: without it, we die at the first error, -# hence be sure i. to have several errors, ii. to test the action -# associated to `error'. -_AT_CHECK_CALC_ERROR([$1], [0], [(1 ++ 2) + (0 0) = 1], [82], -[1.5-1.6: parse error, unexpected '+', expecting "number" or '-' or '(' -1.15-1.16: parse error, unexpected "number" -calc: error: 0 != 1]) - -AT_CHECK_POPDEFS +# 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 lookahead that triggers an error is not discarded +# when we enter error recovery. Below, the lookahead 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], + [250], +[1.2: syntax error, unexpected ')', expecting number or '-' or '(' or '!' +1.18: syntax error, unexpected ')', expecting number or '-' or '(' or '!' +1.23: syntax error, unexpected '*', expecting number or '-' or '(' or '!' +1.41: 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], [(!) + (1 2) = 1], [102], +[1.10: syntax error, unexpected number +calc: error: 2222 != 1]) +_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]) + +# Check that yyerrok works properly: second error is not reported, +# third and fourth are. Parse status is succesfull. +_AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113], +[1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!' +1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!' +1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!']) + +AT_BISON_OPTION_POPDEFS AT_CLEANUP ])# AT_CHECK_CALC @@ -535,7 +583,7 @@ AT_CLEANUP # Simple LALR Calculator. # # ------------------------ # -AT_BANNER([[Simple LALR Calculator.]]) +AT_BANNER([[Simple LALR(1) Calculator.]]) # AT_CHECK_CALC_LALR([BISON-OPTIONS]) # ----------------------------------- @@ -548,21 +596,27 @@ 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([%name-prefix "calc"]) AT_CHECK_CALC_LALR([%verbose]) AT_CHECK_CALC_LALR([%yacc]) -AT_CHECK_CALC_LALR([%error-verbose]) +AT_CHECK_CALC_LALR([%define parse.error verbose]) -AT_CHECK_CALC_LALR([%error-verbose %locations]) +AT_CHECK_CALC_LALR([%define api.pure full %locations]) +AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure full %locations]) +AT_CHECK_CALC_LALR([%define parse.error verbose %locations]) -AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %define api.prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %name-prefix "calc" %define api.token.prefix "TOK_" %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([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc]) -AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%define api.pure full %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure full %define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc]) -AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value_t *result}, {result} %parse-param {int *count}, {count}]) +AT_CHECK_CALC_LALR([%define api.pure %define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) # ----------------------- # @@ -583,18 +637,88 @@ 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([%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]) +AT_CHECK_CALC_GLR([%define parse.error verbose]) -AT_CHECK_CALC_GLR([%error-verbose %locations]) +AT_CHECK_CALC_GLR([%define api.pure %locations]) +AT_CHECK_CALC_GLR([%define parse.error verbose %locations]) -AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) +AT_CHECK_CALC_GLR([%define parse.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([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %define api.prefix "calc" %define api.token.prefix "TOK_" %verbose %yacc]) + +AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) + +AT_CHECK_CALC_GLR([%define api.pure %define parse.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 %define parse.error verbose %debug %locations %defines %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) + + +# ----------------------------- # +# Simple LALR1 C++ Calculator. # +# ----------------------------- # + +AT_BANNER([[Simple LALR(1) C++ Calculator.]]) + +# First let's try using %skeleton +AT_CHECK_CALC([%skeleton "lalr1.cc" %defines]) + +# 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([%language "C++"] $@)]) + +AT_CHECK_CALC_LALR1_CC([]) +AT_CHECK_CALC_LALR1_CC([%locations]) +AT_CHECK_CALC_LALR1_CC([%locations %define api.location.type Span]) +AT_CHECK_CALC_LALR1_CC([%defines %locations %define parse.error verbose %name-prefix "calc" %verbose %yacc]) + +AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %define api.prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc]) + +AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %define api.token.prefix "TOK_" %verbose %yacc]) + +AT_CHECK_CALC_LALR1_CC([%defines %locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) + +AT_CHECK_CALC_LALR1_CC([%pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_LALR1_CC([%defines %locations %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) + + + +# --------------------------- # +# Simple GLR C++ Calculator. # +# --------------------------- # + +AT_BANNER([[Simple GLR C++ Calculator.]]) + +# Again, we try also using %skeleton. +AT_CHECK_CALC([%skeleton "glr.cc"]) + +# 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([%language "C++" %glr-parser] $@)]) + +AT_CHECK_CALC_GLR_CC([]) +AT_CHECK_CALC_GLR_CC([%locations]) +AT_CHECK_CALC_GLR_CC([%locations %define api.location.type Span]) +AT_CHECK_CALC_GLR_CC([%defines %define parse.error verbose %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_GLR_CC([%define parse.error verbose %define api.prefix "calc" %verbose %yacc]) + +AT_CHECK_CALC_GLR_CC([%debug]) +AT_CHECK_CALC_GLR_CC([%define parse.error verbose %debug %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_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %define api.token.prefix "TOK_" %verbose %yacc]) -AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value_t *result}, {result} %parse-param {int *count}, {count}]) +AT_CHECK_CALC_GLR_CC([%locations %defines %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) +AT_CHECK_CALC_GLR_CC([%locations %defines %pure-parser %define parse.error verbose %debug %define api.prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])