X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/742e4900c8b05c8c1f56985288141c890f1e9c73..d0ee410565c9d7bc876af42583ee092568f44fa8:/tests/glr-regression.at diff --git a/tests/glr-regression.at b/tests/glr-regression.at index 598ab8e8..cdd1de2b 100644 --- a/tests/glr-regression.at +++ b/tests/glr-regression.at @@ -1,20 +1,18 @@ # Checking GLR Parsing: Regression Tests -*- Autotest -*- -# Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc. +# Copyright (C) 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc. -# This program is free software; you can redistribute it and/or modify +# 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. - +# 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., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. +# along with this program. If not, see . AT_BANNER([[GLR Regression Tests]]) @@ -30,6 +28,7 @@ AT_DATA_GRAMMAR([glr-regr1.y], %{ #include +#include #define YYSTYPE int static YYSTYPE exprMerge (YYSTYPE x0, YYSTYPE x1); @@ -82,7 +81,10 @@ yylex (void) { for (;;) { - int ch = getchar (); + int ch; + if (feof (stdin)) + abort (); + ch = getchar (); if (ch == EOF) return 0; else if (ch == 'B' || ch == 'P') @@ -95,7 +97,7 @@ AT_CHECK([[bison -o glr-regr1.c glr-regr1.y]], 0, [], [glr-regr1.y: conflicts: 1 shift/reduce ]) AT_COMPILE([glr-regr1]) -AT_CHECK([[echo BPBPB | ./glr-regr1]], 0, +AT_PARSER_CHECK([[echo BPBPB | ./glr-regr1]], 0, [[E -> 'B' E -> 'B' E -> E 'P' E @@ -168,13 +170,15 @@ var_printer: 'v' %% -FILE *input = NULL; +FILE *input; int yylex (void) { char buf[50]; char *s; + if (feof (stdin)) + abort (); switch (fscanf (input, " %1[a-z,]", buf)) { case 1: return buf[0]; @@ -212,13 +216,14 @@ AT_CHECK([[bison -o glr-regr2a.c glr-regr2a.y]], 0, [], ]) AT_COMPILE([glr-regr2a]) -AT_CHECK([[echo s VARIABLE_1 t v x q | ./glr-regr2a]], 0, +AT_PARSER_CHECK([[echo s VARIABLE_1 t v x q | ./glr-regr2a]], 0, [[Variable: 'VARIABLE_1' ]], []) -AT_CHECK([[echo s VARIABLE_1 , ANOTHER_VARIABLE_2 t e | ./glr-regr2a]], 0, +AT_PARSER_CHECK([[echo s VARIABLE_1 , ANOTHER_VARIABLE_2 t e | ./glr-regr2a]], +0, [[Varlist: 'VARIABLE_1,ANOTHER_VARIABLE_2' ]]) -AT_CHECK([[echo s VARIABLE_3 t v x | ./glr-regr2a]], 0, +AT_PARSER_CHECK([[echo s VARIABLE_3 t v x | ./glr-regr2a]], 0, [[Variable: 'VARIABLE_3' ]], []) @@ -237,6 +242,7 @@ AT_DATA_GRAMMAR([glr-regr3.y], %{ #include +#include #include static int MergeRule (int x0, int x1); @@ -299,6 +305,8 @@ int T[] = { T1, T2, T3, T4 }; int yylex (void) { char inp[3]; + if (feof (stdin)) + abort (); if (fscanf (input, "%2s", inp) == EOF) return 0; switch (inp[0]) @@ -322,7 +330,8 @@ AT_CHECK([[bison -o glr-regr3.c glr-regr3.y]], 0, [], ]) AT_COMPILE([glr-regr3]) -AT_CHECK([[echo p1 t4 o2 p1 p1 t1 o1 t2 p2 o1 t3 p2 p2 | ./glr-regr3]], 0, +AT_PARSER_CHECK([[echo p1 t4 o2 p1 p1 t1 o1 t2 p2 o1 t3 p2 p2 | ./glr-regr3]], +0, [[Result: 1c04 ]], []) @@ -350,6 +359,8 @@ AT_DATA_GRAMMAR([glr-regr4.y], static char *make_value (char const *, char const *); static void yyerror (char const *); static int yylex (void); + static char *ptrs[100]; + static char **ptrs_next = ptrs; %} %% @@ -375,21 +386,27 @@ B: 'a' { $$ = make_value ("B", "'a'"); } ; static int yylex (void) { - static char const *input = "a"; - return *input++; + static char const input[] = "a"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); + return input[toknum++]; } int main (void) { - return yyparse (); + int status = yyparse (); + while (ptrs_next != ptrs) + free (*--ptrs_next); + return status; } static char * make_value (char const *parent, char const *child) { char const format[] = "%s <- %s"; - char *value = + char *value = *ptrs_next++ = (char *) malloc (strlen (parent) + strlen (child) + sizeof format); sprintf (value, format, parent, child); return value; @@ -399,7 +416,7 @@ static char * merge (YYSTYPE s1, YYSTYPE s2) { char const format[] = "merge{ %s and %s }"; - char *value = + char *value = *ptrs_next++ = (char *) malloc (strlen (s1.ptr) + strlen (s2.ptr) + sizeof format); sprintf (value, format, s1.ptr, s2.ptr); return value; @@ -417,7 +434,7 @@ AT_CHECK([[bison -o glr-regr4.c glr-regr4.y]], 0, [], ]) AT_COMPILE([glr-regr4]) -AT_CHECK([[./glr-regr4]], 0, +AT_PARSER_CHECK([[./glr-regr4]], 0, [[merge{ S <- merge{ A <- A1 <- 'a' and A <- A2 <- 'a' } and S <- B <- 'a' } ]], []) @@ -465,8 +482,11 @@ start: static int yylex (void) { - static char const *input = "a"; - return *input++; + static char const input[] = "a"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); + return input[toknum++]; } static void @@ -487,7 +507,7 @@ AT_CHECK([[bison -o glr-regr5.c glr-regr5.y]], 0, [], ]) AT_COMPILE([glr-regr5]) -AT_CHECK([[./glr-regr5]], 0, [], +AT_PARSER_CHECK([[./glr-regr5]], 0, [], [syntax is ambiguous ]) @@ -527,8 +547,11 @@ start: 'a' | 'a' ; static int yylex (void) { - static char const *input = "a"; - return *input++; + static char const input[] = "a"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); + return input[toknum++]; } static void @@ -549,7 +572,7 @@ AT_CHECK([[bison -o glr-regr6.c glr-regr6.y]], 0, [], ]) AT_COMPILE([glr-regr6]) -AT_CHECK([[./glr-regr6]], 0, +AT_PARSER_CHECK([[./glr-regr6]], 0, [Destructor called. ], [syntax is ambiguous @@ -573,14 +596,19 @@ AT_DATA_GRAMMAR([glr-regr7.y], static void yyerror (char const *); static int yylex (void); #define YYSTACKEXPANDABLE 0 + typedef struct count_node { + int count; + struct count_node *prev; + } count_node; + static count_node *tail; %} %glr-parser -%union { int *count; } -%type 'a' +%union { count_node *node; } +%type 'a' %destructor { - if ((*$$)++) + if ($$->count++) fprintf (stderr, "Destructor called on same value twice.\n"); } 'a' @@ -599,13 +627,15 @@ stack2: 'a' ; static int yylex (void) { - yylval.count = (int *) malloc (sizeof (int)); - if (!yylval.count) + yylval.node = (count_node*) malloc (sizeof *yylval.node); + if (!yylval.node) { fprintf (stderr, "Test inconclusive.\n"); exit (EXIT_FAILURE); } - *yylval.count = 0; + yylval.node->count = 0; + yylval.node->prev = tail; + tail = yylval.node; return 'a'; } @@ -618,7 +648,14 @@ yyerror (char const *msg) int main (void) { - return yyparse (); + int status = yyparse (); + while (tail) + { + count_node *prev = tail->prev; + free (tail); + tail = prev; + } + return status; } ]]) @@ -627,7 +664,7 @@ AT_CHECK([[bison -o glr-regr7.c glr-regr7.y]], 0, [], ]) AT_COMPILE([glr-regr7]) -AT_CHECK([[./glr-regr7]], 2, [], +AT_PARSER_CHECK([[./glr-regr7]], 2, [], [memory exhausted ]) @@ -697,6 +734,8 @@ int yylex (void) lexIndex += 1; switch (lexIndex) { + default: + abort (); case 1: yylloc.first_column = 1; yylloc.last_column = 9; @@ -705,7 +744,7 @@ int yylex (void) yylloc.first_column = 13; yylloc.last_column = 17; return T_PORT; - default: + case 3: return 0; } } @@ -723,7 +762,7 @@ AT_CHECK([[bison -o glr-regr8.c glr-regr8.y]], 0, [], ]) AT_COMPILE([glr-regr8]) -AT_CHECK([[./glr-regr8]], 0, +AT_PARSER_CHECK([[./glr-regr8]], 0, [empty: 9/9 1/9 - 9/9 - 13/17 ], @@ -806,7 +845,7 @@ AT_CHECK([[bison -o glr-regr9.c glr-regr9.y]], 0, [], ]) AT_COMPILE([glr-regr9]) -AT_CHECK([[./glr-regr9]], 0, [], +AT_PARSER_CHECK([[./glr-regr9]], 0, [], [memory exhausted ]) @@ -822,6 +861,7 @@ AT_SETUP([Corrupted semantic options if user action cuts parse]) AT_DATA_GRAMMAR([glr-regr10.y], [[ %{ +# include # include static void yyerror (char const *); static int yylex (void); @@ -851,6 +891,9 @@ yyerror (char const *msg) static int yylex (void) { + static int called; + if (called++) + abort (); return 0; } @@ -869,7 +912,7 @@ AT_CHECK([[bison -o glr-regr10.c glr-regr10.y]], 0, [], ]) AT_COMPILE([glr-regr10]) -AT_CHECK([[./glr-regr10]], 0, [], []) +AT_PARSER_CHECK([[./glr-regr10]], 0, [], []) AT_CLEANUP @@ -913,8 +956,11 @@ yyerror (char const *msg) static int yylex (void) { - static char const *input = "a"; - return *input++; + static char const input[] = "a"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); + return input[toknum++]; } int @@ -935,7 +981,7 @@ AT_CHECK([[bison -o glr-regr11.c glr-regr11.y]], 0, [], ]) AT_COMPILE([glr-regr11]) -AT_CHECK([[./glr-regr11]], 0, [], []) +AT_PARSER_CHECK([[./glr-regr11]], 0, [], []) AT_CLEANUP @@ -1030,10 +1076,12 @@ static int yylex (void) { static int const input[] = { PARENT_RHS_AFTER, 0 }; - static const int *inputp = input; - if (*inputp == PARENT_RHS_AFTER) + static size_t toknum; + if (! (toknum < sizeof input / sizeof *input)) + abort (); + if (input[toknum] == PARENT_RHS_AFTER) parent_rhs_after_value = 1; - return *inputp++; + return input[toknum++]; } int @@ -1064,7 +1112,7 @@ AT_CHECK([[bison -o glr-regr12.c glr-regr12.y]], 0, [], ]) AT_COMPILE([glr-regr12]) -AT_CHECK([[./glr-regr12]], 0, [], []) +AT_PARSER_CHECK([[./glr-regr12]], 0, [], []) AT_CLEANUP @@ -1149,12 +1197,14 @@ yyerror (char const *msg) static int yylex (void) { - static char const *input = "ab"; - static int i = 0; + static char const input[] = "ab"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); yylloc.first_line = yylloc.last_line = 1; - yylloc.first_column = yylloc.last_column = i + 1; - yylval.value = input[i] + 'A' - 'a'; - return input[i++]; + yylloc.first_column = yylloc.last_column = toknum + 1; + yylval.value = input[toknum] + 'A' - 'a'; + return input[toknum++]; } static void @@ -1189,7 +1239,7 @@ main (void) AT_CHECK([[bison -o glr-regr13.c glr-regr13.y]], 0, [], []) AT_COMPILE([glr-regr13]) -AT_CHECK([[./glr-regr13]], 0, +AT_PARSER_CHECK([[./glr-regr13]], 0, [defstate_init <- empty string: yychar=YYEMPTY nondefstate <- empty string: @@ -1235,6 +1285,7 @@ AT_DATA_GRAMMAR([glr-regr14.y], %union { char value; } %{ + #include #include static void yyerror (char const *); static int yylex (void); @@ -1355,12 +1406,14 @@ yyerror (char const *msg) static int yylex (void) { - static char const *input = "abcdddd"; - static int i = 0; + static char const input[] = "abcdddd"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); yylloc.first_line = yylloc.last_line = 1; - yylloc.first_column = yylloc.last_column = i + 1; - yylval.value = input[i] + 'A' - 'a'; - return input[i++]; + yylloc.first_column = yylloc.last_column = toknum + 1; + yylval.value = input[toknum] + 'A' - 'a'; + return input[toknum++]; } static void @@ -1404,7 +1457,7 @@ AT_CHECK([[bison -o glr-regr14.c glr-regr14.y]], 0, [], ]) AT_COMPILE([glr-regr14]) -AT_CHECK([[./glr-regr14]], 0, +AT_PARSER_CHECK([[./glr-regr14]], 0, [conflict <- empty string: yychar='a', yylval='A', yylloc=(1,1),(1,1) defstate_look <- empty string: @@ -1484,6 +1537,9 @@ yyerror (char const *msg) static int yylex (void) { + static int called; + if (called++) + abort (); return 0; } @@ -1505,7 +1561,7 @@ AT_CHECK([[bison -o glr-regr15.c glr-regr15.y]], 0, [], ]) AT_COMPILE([glr-regr15]) -AT_CHECK([[./glr-regr15]], 0, [], +AT_PARSER_CHECK([[./glr-regr15]], 0, [], [syntax is ambiguous ]) @@ -1547,10 +1603,13 @@ yyerror (char const *msg) static int yylex (void) { - static char const *input = "ab"; - if (*input == 'b') + static char const input[] = "ab"; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); + if (input[toknum] == 'b') lookahead_value = 1; - return *input++; + return input[toknum++]; } int @@ -1571,7 +1630,7 @@ AT_CHECK([[bison -o glr-regr16.c glr-regr16.y]], 0, [], ]) AT_COMPILE([glr-regr16]) -AT_CHECK([[./glr-regr16]], 0, [], +AT_PARSER_CHECK([[./glr-regr16]], 0, [], [syntax error ]) @@ -1587,7 +1646,7 @@ AT_DATA_GRAMMAR([glr-regr17.y], [[ %glr-parser %locations -%pure-parser +%define api.pure %error-verbose %union { int dummy; } @@ -1636,12 +1695,14 @@ static int yylex (YYSTYPE *lvalp, YYLTYPE *llocp) { static char const input[] = "ab"; - static char const *inputp = input; + static size_t toknum; + if (! (toknum < sizeof input)) + abort (); lvalp->dummy = 0; llocp->first_line = llocp->last_line = 2; - llocp->first_column = inputp - input + 1; + llocp->first_column = toknum + 1; llocp->last_column = llocp->first_column + 1; - return *inputp++; + return input[toknum++]; } int @@ -1656,8 +1717,72 @@ AT_CHECK([[bison -o glr-regr17.c glr-regr17.y]], 0, [], ]) AT_COMPILE([glr-regr17]) -AT_CHECK([[./glr-regr17]], 0, [], +AT_PARSER_CHECK([[./glr-regr17]], 0, [], [Error at 1.1-2.3: syntax is ambiguous. ]) AT_CLEANUP + + +## -------------------------------------------------------------## +## Missed %merge type warnings when LHS type is declared later. ## +## -------------------------------------------------------------## + +AT_SETUP([Missed %merge type warnings when LHS type is declared later]) +AT_DATA_GRAMMAR([glr-regr18.y], +[[%glr-parser + +%{ + #include + static void yyerror (char const *); + static int yylex (); +%} + +%union { + int type1; + int type2; + int type3; +} + +%% + +sym1: sym2 %merge { $$ = $1; } ; +sym2: sym3 %merge { $$ = $1; } ; +sym3: %merge { $$ = 0; } ; + +%type sym1; +%type sym2; +%type sym3; + +%% + +static void +yyerror (char const *msg) +{ + fprintf (stderr, "%s\n", msg); +} + +static int +yylex () +{ + static int called; + if (called++) + abort (); + return 0; +} + +int +main (void) +{ + return yyparse (); +} +]]) + +AT_CHECK([[bison -o glr-regr18.c glr-regr18.y]], 1, [], +[glr-regr18.y:26.18-24: result type clash on merge function `merge': != +glr-regr18.y:25.18-24: previous declaration +glr-regr18.y:27.13-19: result type clash on merge function `merge': != +glr-regr18.y:26.18-24: previous declaration +]) + +AT_CLEANUP