X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/d6dc4d36d1db744b060029254eaabaaa525a1c19..1a9646fc9140f896500a812672742b82634c2249:/tests/actions.at?ds=sidebyside diff --git a/tests/actions.at b/tests/actions.at index 6d160efd..6c1ecbc1 100644 --- a/tests/actions.at +++ b/tests/actions.at @@ -1,6 +1,6 @@ e# Executing Actions. -*- Autotest -*- -# Copyright (C) 2001-2012 Free Software Foundation, Inc. +# Copyright (C) 2001-2013 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 @@ -32,10 +32,10 @@ AT_BISON_OPTION_PUSHDEFS AT_DATA_GRAMMAR([[input.y]], [[%define parse.error verbose %debug -%{ +%code { ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ -%} +} %% exp: { putchar ('0'); } '1' { putchar ('1'); } @@ -52,11 +52,7 @@ exp: { putchar ('0'); } %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE(["123456789"])[ -int -main (void) -{ - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS @@ -68,6 +64,119 @@ AT_PARSER_CHECK([./input], 0, AT_CLEANUP +## ----------------------- ## +## Implicitly empty rule. ## +## ----------------------- ## + +AT_SETUP([Implicitly empty rule]) + +AT_DATA_GRAMMAR([[1.y]], +[[%% +exp: a b; +a: /* empty. */ {}; +// A mid-rule action does not count as an empty rule. +b: {} {}; +]]) + +AT_BISON_CHECK([-fcaret -Wempty-rule 1.y], [0], [], +[[1.y:11.17-18: warning: empty rule without %empty [-Wempty-rule] + a: /* empty. */ {}; + ^^ +]]) + +AT_DATA_GRAMMAR([[2.y]], +[[%% +exp: a b c; +a: /* empty. */ {}; +b: %empty {}; +c: /* empty. */ {}; +]]) + +AT_BISON_CHECK([-fcaret 2.y], [0], [], +[[2.y:11.17-18: warning: empty rule without %empty [-Wempty-rule] + a: /* empty. */ {}; + ^^ +2.y:13.17-18: warning: empty rule without %empty [-Wempty-rule] + c: /* empty. */ {}; + ^^ +]]) + +AT_BISON_CHECK([-fcaret -Wno-empty-rule 2.y], [0]) + +AT_CLEANUP + +## ------------------------ ## +## Invalid uses of %empty. ## +## ------------------------ ## + +AT_SETUP([Invalid uses of %empty]) + +AT_DATA_GRAMMAR([[one.y]], +[[%% +exp: + %empty {} %empty +; +]]) + +AT_BISON_CHECK([-fcaret one.y], [1], [], +[[one.y:11.13-18: error: only one %empty allowed per rule + %empty {} %empty + ^^^^^^ +one.y:11.3-8: previous declaration + %empty {} %empty + ^^^^^^ +]]) + +AT_DATA_GRAMMAR([[two.y]], +[[%% +exp: + 'a' %empty {} +| %empty 'a' {} +| %empty {} {} +; +]]) + +AT_BISON_CHECK([-fcaret two.y], [1], [], +[[two.y:11.7-12: error: %empty on non-empty rule + 'a' %empty {} + ^^^^^^ +two.y:12.3-8: error: %empty on non-empty rule + | %empty 'a' {} + ^^^^^^ +two.y:13.3-8: error: %empty on non-empty rule + | %empty {} {} + ^^^^^^ +]]) + +AT_CLEANUP + +## ---------------------- ## +## Valid uses of %empty. ## +## ---------------------- ## + +AT_SETUP([Valid uses of %empty]) + +AT_BISON_OPTION_PUSHDEFS +AT_DATA_GRAMMAR([[input.y]], +[[ +%debug +%code +{ +]AT_YYERROR_DECLARE[ +]AT_YYLEX_DECLARE[ +} +%% +exp: %empty {} +%% +]AT_YYERROR_DEFINE[ +]AT_YYLEX_DEFINE[ +]AT_MAIN_DEFINE[ +]]) + +AT_FULL_COMPILE([input]) +AT_PARSER_CHECK([./input]) +AT_BISON_OPTION_POPDEFS +AT_CLEANUP ## ------------------ ## ## Initial location. ## @@ -81,8 +190,7 @@ m4_pushdef([AT_TEST], AT_BISON_OPTION_PUSHDEFS([%locations %skeleton "$1" $2]) AT_DATA_GRAMMAR([[input.y]], -[[%defines /* FIXME: Required by lalr1.cc in Bison 2.6. */ -%locations +[[%locations %debug %skeleton "$1" ]$2[ @@ -90,13 +198,13 @@ AT_DATA_GRAMMAR([[input.y]], %code { # include -# include // getenv +# include /* getenv */ ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ } %% exp: { ]AT_SKEL_CC_IF([[std::cerr << @$ << std::endl]], - [[YY_LOCATION_PRINT(stderr, @$); fputc ('\n', stderr)]])[; } + [[LOCATION_PRINT(stderr, @$); fputc ('\n', stderr)]])[; } %% ]AT_YYERROR_DEFINE[ @@ -150,7 +258,7 @@ AT_TEST([glr.cc]) AT_TEST([yacc.c], [%define api.pure full], [[%{ # define YYLTYPE int -# define YY_LOCATION_PRINT(Stream, Loc) \ +# define LOCATION_PRINT(Stream, Loc) \ (void) (Loc) # define YYLLOC_DEFAULT(Current, Rhs, N) \ (Current) = ((Rhs)[N ? 1 : 0]) @@ -161,7 +269,7 @@ AT_TEST([yacc.c], [%define api.pure full], AT_TEST([yacc.c], [%define api.pure full], [[%{ # define YYLTYPE int -# define YY_LOCATION_PRINT(Stream, Loc) \ +# define LOCATION_PRINT(Stream, Loc) \ fprintf ((Stream), "%d", (Loc)) # define YYLLOC_DEFAULT(Current, Rhs, N) \ (Current) = ((Rhs)[N ? 1 : 0]) @@ -178,29 +286,26 @@ m4_popdef([AT_TEST]) ## Location Print. ## ## ---------------- ## -# AT_TEST(SKELETON-NAME, DIRECTIVES, [MORE-DIRECTIVES], [LOCATION = 1.1]) -# ----------------------------------------------------------------------- +# AT_TEST(SKELETON-NAME, DIRECTIVES, [MORE-DIRECTIVES]) +# ----------------------------------------------------- # Check that the initial location is correct. m4_pushdef([AT_TEST], [AT_SETUP([Location print: $1 $2]) AT_BISON_OPTION_PUSHDEFS([%locations %skeleton "$1" $2]) AT_DATA_GRAMMAR([[input.y]], -[[%defines /* FIXME: Required by lalr1.cc in Bison 2.6. */ -%locations +[[%locations %debug %skeleton "$1" ]$2[ ]$3[ %code { -# include -# include // getenv ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ } %% -exp:; +exp: %empty; %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE[ @@ -208,12 +313,15 @@ exp:; int main (void) { + ]AT_YYLTYPE[ loc; +]AT_GLR_CC_IF([loc.initialize();])[ #define TEST(L1, C1, L2, C2) \ - ]AT_LOC_FIRST_LINE[ = L1; \ - ]AT_LOC_FIRST_COLUMN[ = C1; \ - ]AT_LOC_LAST_LINE[ = L2; \ - ]AT_LOC_LAST_COLUMN[ = C2; \ - ]YY_LOCATION_PRINT(stdout, AT_LOC)[;\ + loc.]AT_FIRST_LINE[ = L1; \ + loc.]AT_FIRST_COLUMN[ = C1; \ + loc.]AT_LAST_LINE[ = L2; \ + loc.]AT_LAST_COLUMN[ = C2; \ + ]AT_SKEL_CC_IF([std::cout << loc], + [LOCATION_PRINT(stdout, loc)])[;\ putchar ('\n'); TEST(1, 1, 1, 1); @@ -223,6 +331,7 @@ main (void) TEST(7, 2, 0, 2); TEST(8, 0, 8, 0); + return 0; } ]]) @@ -242,8 +351,8 @@ AT_CLEANUP ## FIXME: test Java, and iterate over skeletons. AT_TEST([yacc.c]) AT_TEST([glr.c]) -#AT_TEST([lalr1.cc]) -#AT_TEST([glr.cc]) +AT_TEST([lalr1.cc]) +AT_TEST([glr.cc]) m4_popdef([AT_TEST]) @@ -259,11 +368,11 @@ AT_BISON_OPTION_PUSHDEFS AT_DATA_GRAMMAR([[input.y]], [[%define parse.error verbose %debug -%{ +%code { ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ # define USE(Var) -%} +} %union { @@ -294,11 +403,7 @@ sum_of_the_five_previous_values: %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE[ -int -main (void) -{ - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_CHECK([-d -v -o input.c input.y], 0) @@ -313,7 +418,6 @@ AT_PARSER_CHECK([./input], 0, AT_DATA_GRAMMAR([[input.y]], [[ %{ -# include ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ typedef struct { int val; } stype; @@ -329,11 +433,7 @@ sum: { printf ("%d\n", $0.val + $-1.val + $-2.val); } ; %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE[ -int -main (void) -{ - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_FULL_COMPILE([input]) @@ -428,7 +528,7 @@ AT_LALR1_CC_IF([typedef yy::location YYLTYPE;])[ %% /* This grammar is made to exercise error recovery. - "Lines" starting with `(' support error recovery, with + "Lines" starting with '(' support error recovery, with ')' as synchronizing token. Lines starting with 'x' can never be recovered from if in error. */ @@ -505,11 +605,11 @@ static { static unsigned int counter = 0; - int c = ]AT_VAL[]m4_ifval([$6], [.ival])[ = counter++; + unsigned int c = ]AT_VAL[]m4_ifval([$6], [.ival])[ = counter++; /* As in BASIC, line numbers go from 10 to 10. */ ]AT_LOC_FIRST_LINE[ = ]AT_LOC_FIRST_COLUMN[ = 10 * c; ]AT_LOC_LAST_LINE[ = ]AT_LOC_LAST_COLUMN[ = ]AT_LOC_FIRST_LINE[ + 9; - assert (0 <= c && c <= strlen (source)); + assert (c <= strlen (source)); if (source[c]) fprintf (stderr, "sending: '%c'", source[c]); else @@ -591,7 +691,7 @@ Successful parse. # Syntax errors caught by the parser # ---------------------------------- -# Exercise 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', ')', @@ -748,13 +848,13 @@ AT_CLEANUP AT_CHECK_PRINTER_AND_DESTRUCTOR([]) -AT_CHECK_PRINTER_AND_DESTRUCTOR([], [with union]) +AT_CHECK_PRINTER_AND_DESTRUCTOR([], [ with union]) AT_CHECK_PRINTER_AND_DESTRUCTOR([%defines %skeleton "lalr1.cc"]) -AT_CHECK_PRINTER_AND_DESTRUCTOR([%defines %skeleton "lalr1.cc"], [with union]) +AT_CHECK_PRINTER_AND_DESTRUCTOR([%defines %skeleton "lalr1.cc"], [ with union]) AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser]) -AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser], [with union]) +AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser], [ with union]) @@ -766,19 +866,17 @@ AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser], [with union]) # called for $end, and that $$ and @$ work correctly. AT_SETUP([Default tagless %printer and %destructor]) -AT_BISON_OPTION_PUSHDEFS([%locations]) +AT_BISON_OPTION_PUSHDEFS([%locations %debug]) AT_DATA_GRAMMAR([[input.y]], [[%define parse.error verbose %debug %locations -%{ -# include -# include +%code { ]AT_YYLEX_DECLARE[ ]AT_YYERROR_DECLARE[ # define USE(SYM) -%} +} %printer { fprintf (yyoutput, "<*> printer should not be called.\n"); @@ -809,21 +907,15 @@ start: 'a' 'b' 'c' 'd' 'e' { $$ = 'S'; USE(($1, $2, $3, $4, $5)); } ; %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE(["abcd"], [[yylval = res]])[ - -int -main (void) -{ - yydebug = 1; - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_CHECK([-o input.c input.y], [], [], -[[input.y:23.3-5: warning: useless %destructor for type <*> [-Wother] -input.y:23.3-5: warning: useless %printer for type <*> [-Wother] +[[input.y:30.3-5: warning: useless %destructor for type <*> [-Wother] +input.y:30.3-5: warning: useless %printer for type <*> [-Wother] ]]) AT_COMPILE([input]) -AT_PARSER_CHECK([./input], 1, +AT_PARSER_CHECK([./input --debug], 1, [[<> destructor for 'd' @ 4. 'b'/'c' destructor for 'c' @ 3. 'b'/'c' destructor for 'b' @ 2. @@ -867,14 +959,12 @@ AT_CLEANUP ## ------------------------------------------------------ ## AT_SETUP([Default tagged and per-type %printer and %destructor]) -AT_BISON_OPTION_PUSHDEFS +AT_BISON_OPTION_PUSHDEFS([%debug]) AT_DATA_GRAMMAR([[input.y]], [[%define parse.error verbose %debug %{ -# include -# include ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ # define USE(SYM) @@ -924,13 +1014,7 @@ start: %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE(["abcdef"])[ - -int -main (void) -{ - yydebug = 1; - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_CHECK([-o input.c input.y], [], [], @@ -938,7 +1022,7 @@ AT_BISON_CHECK([-o input.c input.y], [], [], input.y:22.3-4: warning: useless %printer for type <> [-Wother] ]]) AT_COMPILE([input]) -AT_PARSER_CHECK([./input], 1, +AT_PARSER_CHECK([./input --debug], 1, [[<*>//e destructor. <*>//e destructor. 'd' destructor. @@ -1002,19 +1086,17 @@ m4_pushdef([AT_TEST], [m4_pushdef([kind], []) m4_pushdef([not_kind], [*])], [m4_pushdef([kind], [*]) m4_pushdef([not_kind], [])]) -AT_BISON_OPTION_PUSHDEFS([%locations]) +AT_BISON_OPTION_PUSHDEFS([%locations %debug]) AT_DATA_GRAMMAR([[input]]$1[[.y]], [[%define parse.error verbose %debug %locations -%{ -# include -# include +%code { ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ # define USE(SYM) -%} +} %destructor { fprintf (yyoutput, "<]]not_kind[[> destructor should not be called.\n"); @@ -1042,7 +1124,7 @@ AT_DATA_GRAMMAR([[input]]$1[[.y]], start: { $$ = 'S'; } ; %% - +#include /* abort */ static int yylex (void) { @@ -1055,34 +1137,28 @@ yylex (void) return 0; } ]AT_YYERROR_DEFINE[ - -int -main (void) -{ - yydebug = 1; - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([-o input$1.c input$1.y], [], [], [m4_if([$1], [0], -[[input0.y:23.3-5: warning: useless %destructor for type <*> [-Wother] -input0.y:23.3-5: warning: useless %printer for type <*> [-Wother] +[[input0.y:30.3-5: warning: useless %destructor for type <*> [-Wother] +input0.y:30.3-5: warning: useless %printer for type <*> [-Wother] ]], -[[input1.y:23.3-4: warning: useless %destructor for type <> [-Wother] -input1.y:23.3-4: warning: useless %printer for type <> [-Wother] +[[input1.y:30.3-4: warning: useless %destructor for type <> [-Wother] +input1.y:30.3-4: warning: useless %printer for type <> [-Wother] ]])]) AT_COMPILE([input$1]) -AT_PARSER_CHECK([./input$1], 0, +AT_PARSER_CHECK([./input$1 --debug], 0, [[<]]kind[[> for 'E' @ 1. <]]kind[[> for 'S' @ 1. ]], [[Starting parse Entering state 0 -Reducing stack by rule 1 (line 42): +Reducing stack by rule 1 (line 49): -> $$ = nterm start (1.1: <]]kind[[> for 'S' @ 1) Stack now 0 Entering state 1 @@ -1121,7 +1197,7 @@ AT_SETUP([Default %printer and %destructor are not for error or $undefined]) # semantic value, which would be initialized from the lookahead, which # would be destroyed separately. # - For $undefined, who knows what the semantic value would be. -AT_BISON_OPTION_PUSHDEFS +AT_BISON_OPTION_PUSHDEFS([%debug]) AT_DATA_GRAMMAR([[input.y]], [[%debug @@ -1152,21 +1228,16 @@ start: %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE(["abd"], [yylval = res])[ -int -main (void) -{ - yydebug = 1; - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([-o input.c input.y], [], [], -[[input.y:21.6-8: warning: useless %destructor for type <*> [-Wother] -input.y:21.6-8: warning: useless %printer for type <*> [-Wother] +[[input.y:23.6-8: warning: useless %destructor for type <*> [-Wother] +input.y:23.6-8: warning: useless %printer for type <*> [-Wother] ]]) AT_COMPILE([input]) -AT_PARSER_CHECK([./input], [1], [], +AT_PARSER_CHECK([./input --debug], [1], [], [[Starting parse Entering state 0 Reading a token: Next token is token 'a' ('a') @@ -1216,7 +1287,7 @@ AT_SETUP([Default %printer and %destructor are not for $accept]) # - The %printer and %destructor code generated for $accept would always be # dead code because $accept is currently never shifted onto the stack. # - $$ for $accept would always be of type YYSTYPE because it's not possible -# to declare `%type $accept'. (Also true for $undefined.) +# to declare '%type $accept'. (Also true for $undefined.) # - Thus, the compiler might complain that the user code assumes the wrong # type for $$ since the code might assume the type associated with a # specific union field, which is especially reasonable in C++ since that @@ -1224,7 +1295,7 @@ AT_SETUP([Default %printer and %destructor are not for $accept]) # true for $undefined and the error token, so there are three warnings for # %printer and three for %destructor.) -AT_BISON_OPTION_PUSHDEFS +AT_BISON_OPTION_PUSHDEFS([%debug]) AT_DATA_GRAMMAR([[input.y]], [[%debug /* So that %printer is actually compiled. */ @@ -1255,17 +1326,13 @@ start: { USE($$); } ; %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE[ -int -main (void) -{ - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([-o input.c input.y], [], [], -[[input.y:22.3-4: warning: useless %destructor for type <> [-Wother] -input.y:22.3-4: warning: useless %printer for type <> [-Wother] +[[input.y:24.3-4: warning: useless %destructor for type <> [-Wother] +input.y:24.3-4: warning: useless %printer for type <> [-Wother] ]]) AT_COMPILE([input]) @@ -1279,19 +1346,17 @@ AT_CLEANUP AT_SETUP([Default %printer and %destructor for mid-rule values]) -AT_BISON_OPTION_PUSHDEFS +AT_BISON_OPTION_PUSHDEFS([%debug]) AT_DATA_GRAMMAR([[input.y]], [[%debug /* So that %printer is actually compiled. */ %{ -# include -# include ]AT_YYERROR_DECLARE[ ]AT_YYLEX_DECLARE[ # define USE(SYM) # define YYLTYPE int # define YYLLOC_DEFAULT(Current, Rhs, N) (void)(Rhs) -# define YY_LOCATION_PRINT(File, Loc) +# define LOCATION_PRINT(File, Loc) %} %printer { fprintf (yyoutput, "%d", @$); } <> @@ -1313,12 +1378,7 @@ start: %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE[ -int -main (void) -{ - yydebug = 1; - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS @@ -1326,11 +1386,26 @@ AT_BISON_CHECK([-o input.c input.y], 0,, [[input.y:24.70-72: warning: useless %destructor for type <*> [-Wother] input.y:24.70-72: warning: useless %printer for type <*> [-Wother] input.y:33.3-23: warning: unset value: $$ [-Wother] -input.y:30.3-35.37: warning: unused value: $3 [-Wother] +input.y:32.3-23: warning: unused value: $3 [-Wother] +]]) + +AT_BISON_CHECK([-fcaret -o input.c input.y], 0,, +[[input.y:24.70-72: warning: useless %destructor for type <*> [-Wother] + %printer { fprintf (yyoutput, "<*> printer should not be called"); } <*> + ^^^ +input.y:24.70-72: warning: useless %printer for type <*> [-Wother] + %printer { fprintf (yyoutput, "<*> printer should not be called"); } <*> + ^^^ +input.y:33.3-23: warning: unset value: $$ [-Wother] + { @$ = 4; } // Only used. + ^^^^^^^^^^^^^^^^^^^^^ +input.y:32.3-23: warning: unused value: $3 [-Wother] + { USE ($$); @$ = 3; } // Only set. + ^^^^^^^^^^^^^^^^^^^^^ ]]) AT_COMPILE([input]) -AT_PARSER_CHECK([./input], 1,, +AT_PARSER_CHECK([./input --debug], 1,, [[Starting parse Entering state 0 Reducing stack by rule 1 (line 30): @@ -1379,7 +1454,7 @@ AT_CLEANUP # ------------------------------------------- m4_define([AT_CHECK_ACTION_LOCATIONS], [AT_SETUP([[@$ in ]$1[ implies %locations]]) -AT_BISON_OPTION_PUSHDEFS +AT_BISON_OPTION_PUSHDEFS([%debug]) AT_DATA_GRAMMAR([[input.y]], [[%code { #include @@ -1406,11 +1481,7 @@ yylex (void) } ]AT_YYERROR_DEFINE[ -int -main (void) -{ - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_CHECK([[-o input.c input.y]]) @@ -1442,7 +1513,7 @@ AT_CHECK_ACTION_LOCATIONS([[%printer]]) m4_pushdef([AT_TEST], [AT_SETUP([[Qualified $$ in actions: $1]]) -AT_BISON_OPTION_PUSHDEFS([%skeleton "$1"]) +AT_BISON_OPTION_PUSHDEFS([%skeleton "$1" %debug]) AT_DATA_GRAMMAR([[input.y]], [[%skeleton "$1" @@ -1506,19 +1577,11 @@ float: UNTYPED INT EOF}]], [[{UNTYPED, INT, EOF}]]), [AT_VAL.ival = toknum * 10; AT_VAL.fval = toknum / 10.0;])[ -int -main (void) -{]AT_SKEL_CC_IF([[ - yy::parser p; - p.set_debug_level(1); - return p.parse ();]], [[ - yydebug = 1; - return yyparse ();]])[ -} +]AT_MAIN_DEFINE[ ]]) AT_FULL_COMPILE([[input]]) -AT_PARSER_CHECK([./input], 0, [], [stderr]) +AT_PARSER_CHECK([./input --debug], 0, [], [stderr]) # Don't be too picky on the traces, GLR is not exactly the same. Keep # only the lines from the printer. AT_CHECK([[sed -ne '/ival:/p' stderr]], 0, @@ -1544,115 +1607,6 @@ AT_TEST([glr.cc]) m4_popdef([AT_TEST]) -## ----------------------------------------------- ## -## Fix user actions without a trailing semicolon. ## -## ----------------------------------------------- ## - -AT_SETUP([[Fix user actions without a trailing semicolon]]) - -# This feature is undocumented, but we accidentally broke it in 2.3a, -# and there was a complaint at: -# . -AT_BISON_OPTION_PUSHDEFS -AT_DATA([input.y], -[[%% -start: test2 test1 test0 testc; - -test2 -: 'a' { semi; /* TEST:N:2 */ } -| 'b' { if (0) {no_semi} /* TEST:N:2 */ } -| 'c' { if (0) {semi;} /* TEST:N:2 */ } -| 'd' { semi; no_semi /* TEST:Y:2 */ } -| 'e' { semi(); no_semi() /* TEST:Y:2 */ } -| 'f' { semi[]; no_semi[] /* TEST:Y:2 */ } -| 'g' { semi++; no_semi++ /* TEST:Y:2 */ } -| 'h' { {no_semi} no_semi /* TEST:Y:2 */ } -| 'i' { {semi;} no_semi /* TEST:Y:2 */ } -; -test1 - : 'a' { semi; // TEST:N:1 ; -} | 'b' { if (0) {no_semi} // TEST:N:1 ; -} | 'c' { if (0) {semi;} // TEST:N:1 ; -} | 'd' { semi; no_semi // TEST:Y:1 ; -} | 'e' { semi(); no_semi() // TEST:Y:1 ; -} | 'f' { semi[]; no_semi[] // TEST:Y:1 ; -} | 'g' { semi++; no_semi++ // TEST:Y:1 ; -} | 'h' { {no_semi} no_semi // TEST:Y:1 ; -} | 'i' { {semi;} no_semi // TEST:Y:1 ; -} ; -test0 - : 'a' { semi; // TEST:N:1 {} -} | 'b' { if (0) {no_semi} // TEST:N:1 {} -} | 'c' { if (0) {semi;} // TEST:N:1 {} -} | 'd' { semi; no_semi // TEST:Y:1 {} -} | 'e' { semi(); no_semi() // TEST:Y:1 {} -} | 'f' { semi[]; no_semi[] // TEST:Y:1 {} -} | 'g' { semi++; no_semi++ // TEST:Y:1 {} -} | 'h' { {no_semi} no_semi // TEST:Y:1 {} -} | 'i' { {semi;} no_semi // TEST:Y:1 {} -} ; - -testc -: 'a' { -#define TEST_MACRO_N \ -[]"broken\" $ @ $$ @$ [];\ -string;"} -| 'b' { -no_semi -#define TEST_MACRO_N \ -[]"broken\" $ @ $$ @$ [];\ -string;"} -]]) -AT_BISON_OPTION_POPDEFS - -AT_BISON_CHECK([[-o input.c input.y]], [0], [], -[[input.y:8.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:8.48: future versions of Bison will not add the ';' -input.y:9.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:9.48: future versions of Bison will not add the ';' -input.y:10.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:10.48: future versions of Bison will not add the ';' -input.y:11.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:11.48: future versions of Bison will not add the ';' -input.y:12.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:12.48: future versions of Bison will not add the ';' -input.y:13.48: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:13.48: future versions of Bison will not add the ';' -input.y:20.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:20.1: future versions of Bison will not add the ';' -input.y:21.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:21.1: future versions of Bison will not add the ';' -input.y:22.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:22.1: future versions of Bison will not add the ';' -input.y:23.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:23.1: future versions of Bison will not add the ';' -input.y:24.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:24.1: future versions of Bison will not add the ';' -input.y:25.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:25.1: future versions of Bison will not add the ';' -input.y:31.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:31.1: future versions of Bison will not add the ';' -input.y:32.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:32.1: future versions of Bison will not add the ';' -input.y:33.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:33.1: future versions of Bison will not add the ';' -input.y:34.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:34.1: future versions of Bison will not add the ';' -input.y:35.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:35.1: future versions of Bison will not add the ';' -input.y:36.1: warning: a ';' might be needed at the end of action code [-Wdeprecated] -input.y:36.1: future versions of Bison will not add the ';' -]]) - -AT_MATCHES_CHECK([input.c], [[/\* TEST:N:2 \*/ \}$]], [[3]]) -AT_MATCHES_CHECK([input.c], [[/\* TEST:Y:2 \*/ ;\}$]], [[6]]) -AT_MATCHES_CHECK([input.c], [[// TEST:N:1 [;{}]*\n\}$]], [[6]]) -AT_MATCHES_CHECK([input.c], [[// TEST:Y:1 [;{}]*\n;\}$]], [[12]]) -AT_MATCHES_CHECK([input.c], [[#define TEST_MACRO_N \\\n\[\]"broken\\" \$ \@ \$\$ \@\$ \[\];\\\nstring;"\}]], [[2]]) - -AT_CLEANUP - - ## -------------------------------------------------- ## ## Destroying lookahead assigned by semantic action. ## ## -------------------------------------------------- ## @@ -1687,7 +1641,7 @@ AT_DATA_GRAMMAR([input.y], // that has set yychar might not always return normally. Instead, // skeletons must translate before every use of yytoken. start: 'a' accept { USE($1); } ; -accept: /*empty*/ { +accept: %empty { assert (yychar == YYEMPTY); yychar = 'b'; YYACCEPT; @@ -1696,11 +1650,7 @@ accept: /*empty*/ { %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE(["a"])[ -int -main (void) -{ - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS AT_BISON_CHECK([[-o input.c input.y]]) @@ -1718,7 +1668,7 @@ AT_CLEANUP AT_SETUP([[YYBACKUP]]) -AT_BISON_OPTION_PUSHDEFS([%pure-parser]) +AT_BISON_OPTION_PUSHDEFS([%pure-parser %debug]) AT_DATA_GRAMMAR([input.y], [[ @@ -1747,13 +1697,7 @@ exp: %% ]AT_YYERROR_DEFINE[ ]AT_YYLEX_DEFINE(["bcd"], [*lvalp = (toknum + 1) * 10])[ - -int -main (void) -{ - yydebug = !!getenv("YYDEBUG"); - return yyparse (); -} +]AT_MAIN_DEFINE[ ]]) AT_BISON_OPTION_POPDEFS