X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b56471a6890db1598d1ed1877b5d01c6b9678243..ac700aa646de0ea6b4d07af24ff6ca67e529486a:/tests/actions.at?ds=sidebyside diff --git a/tests/actions.at b/tests/actions.at index e6e23866..1e8d62f4 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, 2003, 2004 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 @@ -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 @@ -157,57 +304,76 @@ AT_CLEANUP ## Printers and Destructors. ## ## -------------------------- ## -AT_SETUP([Printers and Destructors]) +# _AT_CHECK_PRINTER_AND_DESTRUCTOR($1, $2, $3, $4, BISON-DIRECTIVE, UNION-FLAG) +# ----------------------------------------------------------------------------- +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 $6: $5]) # Make sure complex $n work. -AT_DATA([[input.y]], -[[%{ +AT_BISON_OPTION_PUSHDEFS([$5]) +AT_DATA_GRAMMAR([[input.y]], +[[$5 +%{ #include #include -#include - -#define YYERROR_VERBOSE 1 -#define YYDEBUG 1 -%} +]AT_LALR1_CC_IF( + [#define RANGE(Location) (Location).begin.line, (Location).end.line], + [#define RANGE(Location) (Location).first_line, (Location).last_line]) +[%} +%error-verbose +%debug %verbose -%union +%locations +]m4_ifval([$6], [%union { int ival; -} -%type 'x' thing line input +}]) +[ +%{ +]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE; +m4_ifval([$6], , [#define YYSTYPE int])]) +[static int yylex (]AT_LEX_FORMALS[); +]AT_LALR1_CC_IF([], [static void yyerror (const char *msg);]) +[%} -%printer { fprintf (yyout, "%d from %d", $$, @$.first_line); } +]m4_ifval([$6], [%type 'x' ';' thing line input])[ + +%printer { fprintf (yyoutput, "%d@%d-%d", $$, RANGE (@$)); } input line thing 'x' %destructor - { - fprintf (stdout, "Freeing "); - /* FIXME: Ouch: INTERNAL DETAILS EXPOSED HERE. */ - /* Cannot use $$ which is the union member, not the union itself. */ - yysymprint (stdout, yytype, yyvalue, @$); - fprintf (stdout, "\n"); - } - input line thing 'x' + { printf ("Freeing nterm input (%d@%d-%d)\n", $$, RANGE (@$)); } + input -%{ -static int yylex (void); -static void yyerror (const char *msg); -%} +%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", $$, RANGE (@$)); } + 'x' %% input: /* Nothing. */ { $$ = 0; - printf ("input(%d): /* Nothing */';'\n", $$); + printf ("input (%d@%d-%d): /* Nothing */\n", $$, RANGE (@$)); } | line input /* Right recursive to load the stack so that popping at EOF can be exercised. */ { $$ = 2; - printf ("input(%d): line(%d) input(%d)';'\n", $$, $1, $2); + printf ("input (%d@%d-%d): line (%d@%d-%d) input (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2)); } ; @@ -215,22 +381,27 @@ line: thing thing thing ';' { $$ = $1; - printf ("line(%d): thing(%d) thing(%d) thing(%d) ';'\n", $$, $1, $2, $3); + printf ("line (%d@%d-%d): thing (%d@%d-%d) thing (%d@%d-%d) thing (%d@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2), + $3, RANGE (@3), $4, RANGE (@4)); } | thing thing ';' { $$ = $1; - printf ("line(%d): thing(%d) thing(%d) ';'\n", $$, $1, $2); + printf ("line (%d@%d-%d): thing (%d@%d-%d) thing (%d@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2), $3, RANGE (@3)); } | thing ';' { $$ = $1; - printf ("line(%d): thing(%d) ';'\n", $$, $1); + printf ("line (%d@%d-%d): thing (%d@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2)); } | error ';' { $$ = -1; - printf ("line(%d): error ';'\n", $$); + printf ("line (%d@%d-%d): error (@%d-%d) ';' (%d@%d-%d)\n", + $$, RANGE (@$), RANGE (@1), $2, RANGE (@2)); } ; @@ -238,16 +409,17 @@ thing: 'x' { $$ = $1; - printf ("thing(%d): 'x'(%d)\n", $$, $1); + printf ("thing (%d@%d-%d): 'x' (%d@%d-%d)\n", + $$, RANGE (@$), $1, RANGE (@1)); } ; %% static int -yylex (void) +yylex (]AT_LEX_FORMALS[) { - static const unsigned int input[] = + static const char input[] = { - /* Exericise the discarding of stack top and input until `error' + /* Exercise the discarding of stack top and input until `error' can be reduced. */ 'x', 'x', 'x', 'x', 'x', 'x', ';', @@ -261,12 +433,23 @@ yylex (void) if (counter < (sizeof(input) / sizeof (input[0]))) { - yylval.ival = counter; +]AT_LALR1_CC_IF( +[ int c = m4_ifval([$6], [yylval->ival], [*yylval]) = counter++; + /* As in BASIC, line numbers go from 10 to 10. */ + yylloc->begin.line = yylloc->begin.column = 10 * c; + yylloc->end.line = yylloc->end.column = yylloc->begin.line + 9; + printf ("sending: '%c' (%d@%d-%d)\n", + input[[c]], c, RANGE (*yylloc)); + return input[[c]]; +], +[ int c = m4_ifval([$6], [yylval.ival], [yylval]) = counter++; /* As in BASIC, line numbers go from 10 to 10. */ - yylloc.first_line = 10 * counter; - printf ("sending: '%c' (value = %d, line %d)\n", - input[counter], yylval.ival, yylloc.first_line); - return (int) input[counter++]; + yylloc.first_line = yylloc.first_column = 10 * c; + yylloc.last_line = yylloc.last_column = yylloc.first_line + 9; + printf ("sending: '%c' (%d@%d-%d)\n", + input[[c]], c, RANGE (yylloc)); + return input[[c]]; +])[ } else { @@ -275,64 +458,110 @@ yylex (void) } } -static void -yyerror (const char *msg) +]AT_LALR1_CC_IF( +[/* Currently, print_ is required in C++. */ +void +yy::Parser::print_ () +{ + std::cerr << location; +} + +/* A C++ error reporting function. */ +void +yy::Parser::error_ () { - fprintf (stdout, "%d: %s\n", yylloc.first_line, msg); + printf ("%d-%d: %s\n", RANGE (location), message.c_str()); } +static bool yydebug; +int +yyparse () +{ + yy::Parser parser (yydebug, yy::Location ()); + return parser.parse (); +} +], +[static void +yyerror (const char *msg) +{ + printf ("%d-%d: %s\n", RANGE (yylloc), msg); +}])[ + int 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 --location -d -v -o input.c input.y]) -AT_COMPILE([input]) +AT_LALR1_CC_IF( + [AT_CHECK([bison -o input.cc input.y]) + AT_COMPILE_CXX([input])], + [AT_CHECK([bison -o input.c input.y]) + AT_COMPILE([input])]) AT_PARSER_CHECK([./input], 1, -[[sending: 'x' (value = 0, line 0) -thing(0): 'x'(0) -sending: 'x' (value = 1, line 10) -thing(1): 'x'(1) -sending: 'x' (value = 2, line 20) -thing(2): 'x'(2) -sending: 'x' (value = 3, line 30) -30: parse error, unexpected 'x', expecting ';' -Freeing nterm thing (2 from 20) -Freeing nterm thing (1 from 10) -Freeing nterm thing (0 from 0) -Freeing token 'x' (3 from 30) -sending: 'x' (value = 4, line 40) -Freeing token 'x' (4 from 40) -sending: 'x' (value = 5, line 50) -Freeing token 'x' (5 from 50) -sending: ';' (value = 6, line 60) -line(-1): error ';' -sending: 'x' (value = 7, line 70) -thing(7): 'x'(7) -sending: 'x' (value = 8, line 80) -thing(8): 'x'(8) -sending: ';' (value = 9, line 90) -line(7): thing(7) thing(8) ';' -sending: 'x' (value = 10, line 100) -thing(10): 'x'(10) -sending: ';' (value = 11, line 110) -line(10): thing(10) ';' -sending: 'y' (value = 12, line 120) -120: parse error, unexpected $undefined, expecting $end or 'x' +[[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 $end or 'x' sending: EOF -Freeing nterm line (10 from 100) -Freeing nterm line (7 from 70) -Freeing nterm line (-1 from 50) +Freeing nterm line (10@100-119) +Freeing nterm line (7@70-99) +Freeing nterm line (-1@0-69) Parsing FAILED. ]]) AT_CLEANUP +]) + + +# AT_CHECK_PRINTER_AND_DESTRUCTOR([BISON-OPTIONS], [UNION-FLAG]) +# -------------------------------------------------------------- +# Produce `calc.y'. +m4_define([AT_CHECK_PRINTER_AND_DESTRUCTOR], +[_AT_CHECK_PRINTER_AND_DESTRUCTOR($[1], $[2], $[3], $[4], [$1], [$2]) +]) + + +AT_CHECK_PRINTER_AND_DESTRUCTOR([]) +AT_CHECK_PRINTER_AND_DESTRUCTOR([], [with union]) +AT_CHECK_PRINTER_AND_DESTRUCTOR([%locations %defines %skeleton "lalr1.cc"]) +AT_CHECK_PRINTER_AND_DESTRUCTOR([%locations %defines %skeleton "lalr1.cc"], + [with union]) + +# FIXME. These test cases fail. +#AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser]) +#AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser], [with union])