X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/9280d3ef893b90b36c89fa7737512f2d640e41d9..603f1cfdc56691b331b6ef337a8c3633e7a125b3:/tests/actions.at?ds=inline diff --git a/tests/actions.at b/tests/actions.at index 2c614874..9078f9ba 100644 --- a/tests/actions.at +++ b/tests/actions.at @@ -1,5 +1,5 @@ # Executing Actions. -*- Autotest -*- -# Copyright 2001 Free Software Foundation, Inc. +# Copyright (C) 2001, 2002 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 @@ -29,7 +29,7 @@ AT_SETUP([Mid-rule actions]) # instead of being attached to the empty rule dedicated to this # action. -AT_DATA([[input.y]], +AT_DATA_GRAMMAR([[input.y]], [[%{ # include # include @@ -72,9 +72,9 @@ main (void) } ]]) -AT_CHECK([bison input.y -d -v -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) -AT_CHECK([./input], 0, +AT_CHECK([bison -d -v -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input], 0, [[0123456789 ]]) @@ -82,13 +82,160 @@ AT_CLEANUP +## ---------------------- ## +## Actions after errors. ## +## ---------------------- ## + +AT_SETUP([Actions after errors]) + + + +AT_DATA_GRAMMAR([[input.y]], +[[%{ +#include +#include + +static int yylex (void); +static void yyerror (char const *); + +#define YYDEBUG 1 +%} +%union { int ival; } +%type 'x' ';' thing line input + +%% +input: + /* Nothing. */ + { + $$ = 0; + printf ("input (%d): /* Nothing */\n", $$); + } +| line input /* Right recursive to load the stack so that popping at + EOF can be exercised. */ + { + $$ = 2; + printf ("input (%d): line (%d) input (%d)\n", $$, $1, $2); + } +; + +line: + thing thing thing ';' + { + $$ = $1; + printf ("line (%d): thing (%d) thing (%d) thing (%d) ';' (%d)\n", + $$, $1, $2, $3, $4); + } +| thing thing ';' + { + $$ = $1; + printf ("line (%d): thing (%d) thing (%d) ';' (%d)\n", $$, $1, $2, $3); + } +| thing ';' + { + $$ = $1; + printf ("line (%d): thing (%d) ';' (%d)\n", $$, $1, $2); + } +| error ';' + { + $$ = -1; + printf ("line (%d): error ';' (%d)\n", $$, $2); + } +; + +thing: + 'x' + { + $$ = $1; + printf ("thing (%d): 'x' (%d)\n", $$, $1); + } +; +%% +static size_t counter; + +static int +yylex (void) +{ + static char const input[] = + { + /* Exercise the discarding of stack top and input until `error' + can be reduced. */ + 'x', 'x', 'x', 'x', 'x', 'x', ';', + + /* Load the stack and provoke an error that cannot be caught by + the grammar, to check that the stack is cleared. */ + 'x', 'x', ';', + 'x', ';', + 'y' + }; + + if (counter < sizeof input) + { + yylval.ival = counter; + printf ("sending: '%c' (%d)\n", input[counter], yylval.ival); + return input[counter++]; + } + else + { + printf ("sending: EOF\n"); + return EOF; + } +} + +static void +yyerror (char const *msg) +{ + printf ("%lu: %s\n", (unsigned long int) counter, msg); +} + +int +main (void) +{ + yydebug = !!getenv ("YYDEBUG"); + return yyparse (); +} +]]) + +AT_CHECK([bison -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input], 1, +[[sending: 'x' (0) +thing (0): 'x' (0) +sending: 'x' (1) +thing (1): 'x' (1) +sending: 'x' (2) +thing (2): 'x' (2) +sending: 'x' (3) +4: syntax error +sending: 'x' (4) +sending: 'x' (5) +sending: ';' (6) +line (-1): error ';' (6) +sending: 'x' (7) +thing (7): 'x' (7) +sending: 'x' (8) +thing (8): 'x' (8) +sending: ';' (9) +line (7): thing (7) thing (8) ';' (9) +sending: 'x' (10) +thing (10): 'x' (10) +sending: ';' (11) +line (10): thing (10) ';' (11) +sending: 'y' (12) +13: syntax error +sending: EOF +]]) + +AT_CLEANUP + + + ## ---------------- ## ## Exotic Dollars. ## ## ---------------- ## AT_SETUP([Exotic Dollars]) -AT_DATA([[input.y]], +AT_DATA_GRAMMAR([[input.y]], [[%{ # include # include @@ -103,18 +250,18 @@ AT_DATA([[input.y]], int val; }; -%type a_1 a_2 a_4 a_5 +%type a_1 a_2 a_5 sum_of_the_five_previous_values %% -exp: a_1 a_2 { $$ = 3; } a_4 a_5 sum_of_the_five_previous_values +exp: a_1 a_2 { $$ = 3; } { $$ = $3 + 1; } a_5 + sum_of_the_five_previous_values { printf ("%d\n", $6); } ; a_1: { $$ = 1; }; a_2: { $$ = 2; }; -a_4: { $$ = 4; }; a_5: { $$ = 5; }; sum_of_the_five_previous_values: @@ -143,9 +290,9 @@ main (void) } ]]) -AT_CHECK([bison input.y -d -v -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) -AT_CHECK([./input], 0, +AT_CHECK([bison -d -v -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input], 0, [[15 ]]) @@ -153,90 +300,149 @@ AT_CLEANUP -## ------------- ## -## Destructors. ## -## ------------- ## +## -------------------------- ## +## Printers and Destructors. ## +## -------------------------- ## -AT_SETUP([Destructors]) +# _AT_CHECK_PRINTER_AND_DESTRUCTOR($1, $2, $3, $4, BISON-DIRECTIVE) +# ----------------------------------------------------------------- +m4_define([_AT_CHECK_PRINTER_AND_DESTRUCTOR], +[m4_if([$1$2$3], $[1]$[2]$[3], [], + [m4_fatal([$0: Invalid arguments: $@])])dnl + +AT_SETUP([Printers and Destructors: $5]) # Make sure complex $n work. -AT_DATA([[input.y]], -[[%{ +AT_DATA_GRAMMAR([[input.y]], +[[$5 +%{ #include #include -#include - -#define YYERROR_VERBOSE 1 -#define YYDEBUG 1 -/* #define YYPRINT yyprint */ - +#define RANGE(Location) (Location).first_line, (Location).last_line static int yylex (void); static void yyerror (const char *msg); -static void yyprint (FILE *out, int toknum, int tokval); %} - +%error-verbose +%debug +%verbose +%locations %union { int ival; } -%type thing 'x' -%destructor { printf ("Freeing thing %d\n", $$); } thing -%destructor { printf ("Freeing 'x' %d\n", $$); } 'x' +%type 'x' ';' thing line input + +%printer { fprintf (yyoutput, "%d@%d-%d", $$, RANGE (@$)); } + input line thing 'x' + +%destructor + { printf ("Freeing nterm input (%d@%d-%d)\n", $$, RANGE (@$)); } + input + +%destructor + { printf ("Freeing nterm line (%d@%d-%d)\n", $$, RANGE (@$)); } + line + +%destructor + { printf ("Freeing nterm thing (%d@%d-%d)\n", $$, RANGE (@$)); } + thing + +%destructor + { printf ("Freeing token 'x' (%d@%d-%d)\n", $$, RANGE (@$)); } + 'x' %% input: /* Nothing. */ -| input line + { + $$ = 0; + printf ("input (%d@%d-%d): /* Nothing */\n", $$, RANGE (@$)); + } +| line input /* Right recursive to load the stack so that popping at + EOF can be exercised. */ + { + $$ = 2; + printf ("input (%d@%d-%d): line (%d@%d-%d) input (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2)); + } ; line: thing thing thing ';' - { printf ("input: thing(%d) thing(%d) thing(%d) ';'\n", $1, $2, $3); } + { + $$ = $1; + printf ("line (%d@%d-%d): thing (%d@%d-%d) thing (%d@%d-%d) thing (%d@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2), + $3, RANGE (@3), $4, RANGE (@4)); + } | thing thing ';' - { printf ("input: thing(%d) thing(%d) ';'\n", $1, $2); } + { + $$ = $1; + printf ("line (%d@%d-%d): thing (%d@%d-%d) thing (%d@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2), $3, RANGE (@3)); + } | thing ';' - { printf ("input: thing(%d) ';'\n", $1); } + { + $$ = $1; + printf ("line (%d@%d-%d): thing (%d@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2)); + } | error ';' - { printf ("input: error ';'\n"); } + { + $$ = -1; + printf ("line (%d@%d-%d): error (@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), RANGE (@1), $2, RANGE (@2)); + } ; thing: - 'x' { printf ("thing: 'x' (%d)\n", $1); $$ = $1; } + 'x' + { + $$ = $1; + printf ("thing (%d@%d-%d): 'x' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1)); + } ; %% static int yylex (void) { - static const int input[] = + static const unsigned int input[] = { + /* Exercise the discarding of stack top and input until `error' + can be reduced. */ 'x', 'x', 'x', 'x', 'x', 'x', ';', + + /* Load the stack and provoke an error that cannot be caught by + the grammar, to check that the stack is cleared. */ 'x', 'x', ';', 'x', ';', - 'x', 'y', ';' + 'y' }; - static int counter = 0; + static unsigned int counter = 0; if (counter < (sizeof(input) / sizeof (input[0]))) { yylval.ival = counter; - return input[counter++]; + /* As in BASIC, line numbers go from 10 to 10. */ + yylloc.first_line = yylloc.first_column = 10 * counter; + yylloc.last_line = yylloc.last_column = yylloc.first_line + 9; + printf ("sending: '%c' (%d@%d-%d)\n", + input[counter], yylval.ival, RANGE (yylloc)); + return (int) input[counter++]; } else - return EOF; + { + printf ("sending: EOF\n"); + return EOF; + } } static void yyerror (const char *msg) { - fprintf (stdout, "%s\n", msg); -} - -static void -yyprint (FILE *out, int toknum, int tokval) -{ - if (0 < toknum && toknum < 256) - fprintf (out, " = %d", tokval); + printf ("%d-%d: %s\n", RANGE (yylloc), msg); } int @@ -245,38 +451,67 @@ main (void) yydebug = !!getenv ("YYDEBUG"); if (yyparse ()) { - fprintf (stdout, "Parsing FAILED.\n"); + printf ("Parsing FAILED.\n"); exit (1); } - fprintf (stdout, "Successful parse.\n"); + printf ("Successful parse.\n"); return 0; } ]]) -AT_CHECK([bison input.y -d -v -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) -AT_CHECK([./input], 0, -[[thing: 'x' (0) -thing: 'x' (1) -thing: 'x' (2) -parse error, unexpected 'x', expecting ';' -Freeing thing 2 -Freeing thing 1 -Freeing thing 0 -Freeing 'x' 3 -Freeing 'x' 4 -Freeing 'x' 5 -input: error ';' -thing: 'x' (7) -thing: 'x' (8) -input: thing(7) thing(8) ';' -thing: 'x' (10) -input: thing(10) ';' -thing: 'x' (12) -parse error, unexpected $undefined., expecting 'x' or ';' -Freeing thing 12 -input: error ';' -Successful parse. +AT_CHECK([bison -o input.c input.y]) +AT_COMPILE([input]) +AT_PARSER_CHECK([./input], 1, +[[sending: 'x' (0@0-9) +thing (0@0-9): 'x' (0@0-9) +sending: 'x' (1@10-19) +thing (1@10-19): 'x' (1@10-19) +sending: 'x' (2@20-29) +thing (2@20-29): 'x' (2@20-29) +sending: 'x' (3@30-39) +30-39: syntax error, unexpected 'x', expecting ';' +Freeing nterm thing (2@20-29) +Freeing nterm thing (1@10-19) +Freeing nterm thing (0@0-9) +Freeing token 'x' (3@30-39) +sending: 'x' (4@40-49) +Freeing token 'x' (4@40-49) +sending: 'x' (5@50-59) +Freeing token 'x' (5@50-59) +sending: ';' (6@60-69) +line (-1@0-69): error (@0-59) ';' (6@60-69) +sending: 'x' (7@70-79) +thing (7@70-79): 'x' (7@70-79) +sending: 'x' (8@80-89) +thing (8@80-89): 'x' (8@80-89) +sending: ';' (9@90-99) +line (7@70-99): thing (7@70-79) thing (8@80-89) ';' (9@90-99) +sending: 'x' (10@100-109) +thing (10@100-109): 'x' (10@100-109) +sending: ';' (11@110-119) +line (10@100-119): thing (10@100-109) ';' (11@110-119) +sending: 'y' (12@120-129) +120-129: syntax error, unexpected $undefined, expecting $end or 'x' +sending: EOF +Freeing nterm line (10@100-119) +Freeing nterm line (7@70-99) +Freeing nterm line (-1@0-69) +Parsing FAILED. ]]) AT_CLEANUP +]) + + +# AT_CHECK_PRINTER_AND_DESTRUCTOR([BISON-OPTIONS]) +# ------------------------------------------------ +# Produce `calc.y'. +m4_define([AT_CHECK_PRINTER_AND_DESTRUCTOR], +[_AT_CHECK_PRINTER_AND_DESTRUCTOR($[1], $[2], $[3], $[4], [$1]) +]) + + +AT_CHECK_PRINTER_AND_DESTRUCTOR() + +# FIXME. This test case fails. +#AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser])