X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/c19988b766d542b4d4c83b1b27579ee83cb5f930..fcbfa6b01c0222b01254730c66d539ed2c841a4e:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index f09e5249..7cf12d39 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -26,8 +26,8 @@ # ------------------------- # -# _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 @@ -35,36 +35,32 @@ 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 perfect functions for these tests. */ -#undef malloc -#undef memcmp -#undef realloc #include #if STDC_HEADERS # include # include -#else -char *strcat(char *dest, const char *src); #endif #include extern void perror (const char *s); /* Exercise pre-prologue dependency to %union. */ -typedef int value_t; +typedef int value; + +static value global_result = 0; +static int global_count = 0; %} /* Exercise %union. */ %union { - value_t ival; + value ival; }; %{ @@ -76,16 +72,14 @@ typedef int value_t; # define VAL (yylval) #endif +#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 -# if YYLSP_NEEDED -# define LEX_FORMALS YYSTYPE *yylval, YYLTYPE *yylloc -# define LEX_ARGS yylval, yylloc -# define USE_LEX_ARGS (void) yylval; (void) yylloc; -# else -# define LEX_FORMALS YYSTYPE *yylval -# define LEX_ARGS yylval -# define USE_LEX_ARGS (void) yylval -# endif +# 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 @@ -97,7 +91,13 @@ typedef int value_t; #endif static int power (int base, int exponent); -static void yyerror (const char *s); +/* 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 *result, int *count, ])[ + const char *s + ); static int yylex (LEX_FORMALS); static int yygetc (LEX_FORMALS); static void yyungetc (LEX_PRE_FORMALS int c); @@ -114,27 +114,25 @@ static void yyungetc (LEX_PRE_FORMALS int c); %left NEG /* negation--unary minus */ %right '^' /* exponentiation */ -]$4[ - /* Grammar follows */ %% input: line -| input line +| input line { ]AT_PARAM_IF([++*count; ++global_count;])[ } ; line: '\n' -| exp '\n' +| exp '\n' { ]AT_PARAM_IF([*result = global_result = $1;])[ } ; exp: NUM { $$ = $1; } | exp '=' exp { - if ($1 != $3) - fprintf (stderr, "calc: error: %d != %d\n", $1, $3); - $$ = $1 == $3; + if ($1 != $3) + fprintf (stderr, "calc: error: %d != %d\n", $1, $3); + $$ = $1; } | exp '+' exp { $$ = $1 + $3; } | exp '-' exp { $$ = $1 - $3; } @@ -147,29 +145,33 @@ exp: ; %% /* The input. */ -FILE *yyin; +static FILE *yyin; static void -yyerror (const char *s) +yyerror (]AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])[ + ]AT_PARAM_IF([value *result, int *count, ])[ + const char *s + ) { -#if YYLSP_NEEDED +]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); -#endif +])[ fprintf (stderr, "%s\n", s); } -#if YYLSP_NEEDED +]AT_LOCATION_IF([ static YYLTYPE last_yylloc; -#endif +])[ static int yygetc (LEX_FORMALS) { int res = getc (yyin); USE_LEX_ARGS; -#if YYLSP_NEEDED +]AT_LOCATION_IF([ last_yylloc = LOC; if (res == '\n') { @@ -178,7 +180,7 @@ yygetc (LEX_FORMALS) } else LOC.last_column++; -#endif +])[ return res; } @@ -187,10 +189,10 @@ static void yyungetc (LEX_PRE_FORMALS int c) { USE_LEX_ARGS; -#if YYLSP_NEEDED +]AT_LOCATION_IF([ /* Wrong when C == `\n'. */ LOC = last_yylloc; -#endif +])[ ungetc (c, yyin); } @@ -236,24 +238,24 @@ yylex (LEX_FORMALS) if (init) { init = 0; -#if YYLSP_NEEDED - yylloc.last_column = 1; - yylloc.last_line = 1; -#endif +]AT_LOCATION_IF([ + LOC.last_column = 1; + LOC.last_line = 1; +])[ } -#if YYLSP_NEEDED +]AT_LOCATION_IF([ LOC.first_column = LOC.last_column; LOC.first_line = LOC.last_line; -#endif +])[ /* Skip white space. */ while ((c = yygetc (LEX_ARGS)) == ' ' || c == '\t') { -#if YYLSP_NEEDED +]AT_LOCATION_IF([ LOC.first_column = LOC.last_column; LOC.first_line = LOC.last_line; -#endif +])[ } /* process numbers */ @@ -286,7 +288,9 @@ power (int base, int exponent) int main (int argc, const char **argv) { - yyin = NULL; + value result = 0; + int count = 0; + int status; if (argc == 2) yyin = fopen (argv[1], "r"); @@ -302,8 +306,12 @@ main (int argc, const char **argv) #if YYDEBUG yydebug = 1; #endif - yyparse (); - return 0; + status = yyparse (]AT_PARAM_IF([&result, &count])[); + if (global_result != result) + abort (); + if (global_count != count) + abort (); + return status; } ]]) ])# _AT_DATA_CALC_Y @@ -313,8 +321,7 @@ main (int argc, const char **argv) # ------------------------------- # Produce `calc.y'. m4_define([AT_DATA_CALC_Y], -[_AT_DATA_CALC_Y($[1], $[2], $[3], - [m4_bpatsubst([$1], [--[^ ]*])]) +[_AT_DATA_CALC_Y($[1], $[2], $[3], [$1]) ]) @@ -342,35 +349,36 @@ m4_bmatch([$1], ]) -# _AT_CHECK_CALC_ERROR(BISON-OPTIONS, INPUT, [NUM-DEBUG-LINES], -# [ERROR-LOCATION], [IF-YYERROR-VERBOSE]) -# ------------------------------------------------------------ -# Run `calc' on INPUT, and expect a `parse error' message. +# _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT, +# [NUM-DEBUG-LINES], +# [VERBOSE-AND-LOCATED-ERROR-MESSAGE]) +# --------------------------------------------------------- +# Run `calc' on INPUT, and expect a `syntax error' message. # # If INPUT starts with a slash, it is used as absolute input file name, # otherwise as contents. # -# If BISON-OPTIONS contains `--location', then make sure the ERROR-LOCATION +# If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION # is correctly output on stderr. # # If BISON-OPTIONS contains `%error-verbose', then make sure the -# IF-YYERROR-VERBOSE message is properly output after `parse error, ' +# IF-YYERROR-VERBOSE message is properly output after `syntax error, ' # on STDERR. # # If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES # is the number of expected lines on stderr. m4_define([_AT_CHECK_CALC_ERROR], -[m4_bmatch([$2], [^/], - [AT_PARSER_CHECK([./calc $2], 0, [], [stderr])], +[m4_bmatch([$3], [^/], + [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])], [AT_DATA([[input]], -[[$2 +[[$3 ]]) -AT_PARSER_CHECK([./calc input], 0, [], [stderr])]) +AT_PARSER_CHECK([./calc input], $2, [], [stderr])]) m4_bmatch([$1], [%debug.*%glr\|%glr.*%debug], [], [%debug], - [AT_CHECK([wc -l 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 +[[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_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 @@ -413,10 +470,12 @@ m4_define([AT_CHECK_CALC], [# We use integers to avoid dependencies upon the precision of doubles. AT_SETUP([Calculator $1]) +AT_CHECK_PUSHDEFS($[1], $[2], [$1]) + AT_DATA_CALC_Y([$1]) # Specify the output files to avoid problems on different file systems. -AT_CHECK([bison -o calc.c m4_bpatsubst([$1], [%[^ ]*]) calc.y], +AT_CHECK([bison -o calc.c calc.y], [0], [], []) AT_COMPILE([calc]) @@ -435,38 +494,36 @@ _AT_CHECK_CALC([$1], 1 - (2 - 3) = 2 2^2^3 = 256 -(2^2)^3 = 64], [486]) - -# Some parse errors. -_AT_CHECK_CALC_ERROR([$1], [0 0], [11], - [1.3-1.4: parse error, unexpected "number"]) -_AT_CHECK_CALC_ERROR([$1], [1//2], [15], - [1.3-1.4: parse error, unexpected '/', expecting "number" or '-' or '(']) -_AT_CHECK_CALC_ERROR([$1], [error], [4], - [1.1-1.2: parse error, unexpected $undefined, expecting "number" or '-' or '\n' or '(']) -_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [22], - [1.7-1.8: parse error, unexpected '=']) -_AT_CHECK_CALC_ERROR([$1], +(2^2)^3 = 64], + [486]) + +# Some syntax errors. +_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11], + [1.3-1.4: syntax error, unexpected "number"]) +_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15], + [1.3-1.4: syntax error, unexpected '/', expecting "number" or '-' or '(']) +_AT_CHECK_CALC_ERROR([$1], [1], [error], [4], + [1.1-1.2: syntax error, unexpected $undefined, expecting "number" or '-' or '\n' or '(']) +_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22], + [1.7-1.8: syntax error, unexpected '=']) +_AT_CHECK_CALC_ERROR([$1], [1], [ +1], [14], - [2.1-2.2: parse error, unexpected '+']) + [2.1-2.2: syntax error, unexpected '+']) # Exercise error messages with EOF: work on an empty file. -_AT_CHECK_CALC_ERROR([$1], [/dev/null], [4], - [1.1-1.2: parse error, unexpected "end of input", expecting "number" or '-' or '\n' or '(']) +_AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4], + [1.1-1.2: syntax error, unexpected "end of input", expecting "number" or '-' or '\n' or '(']) # 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], [(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" +_AT_CHECK_CALC_ERROR([$1], [0], [(1 ++ 2) + (0 0) = 1], [82], +[1.5-1.6: syntax error, unexpected '+', expecting "number" or '-' or '(' +1.15-1.16: syntax error, unexpected "number" calc: error: 0 != 1]) -# Add a studid example demonstrating that Bison can further improve the -# error message. FIXME: Fix this ridiculous message. -_AT_CHECK_CALC_ERROR([$1], [()], [21], -[1.2-1.3: parse error, unexpected ')', expecting "number" or '-' or '(']) +AT_CHECK_POPDEFS AT_CLEANUP ])# AT_CHECK_CALC @@ -489,22 +546,23 @@ m4_define([AT_CHECK_CALC_LALR], AT_CHECK_CALC_LALR() -AT_CHECK_CALC_LALR([--defines]) +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([%name-prefix="calc"]) +AT_CHECK_CALC_LALR([%verbose]) +AT_CHECK_CALC_LALR([%yacc]) AT_CHECK_CALC_LALR([%error-verbose]) 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 %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([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) -# FIXME: Not ready yet. -# 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]) + +AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}]) # ----------------------- # @@ -523,16 +581,20 @@ m4_define([AT_CHECK_CALC_GLR], AT_CHECK_CALC_GLR() -AT_CHECK_CALC_GLR([--defines]) +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([%name-prefix="calc"]) +AT_CHECK_CALC_GLR([%verbose]) +AT_CHECK_CALC_GLR([%yacc]) AT_CHECK_CALC_GLR([%error-verbose]) AT_CHECK_CALC_GLR([%error-verbose %locations]) -AT_CHECK_CALC_GLR([%error-verbose %locations --defines --name-prefix=calc --verbose --yacc]) +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([%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 {value *result} %parse-param {int *count}])