X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b418ecd84f81d5174d97b8bd426f5fa971f61f20..01e5c817739b49dbadd4e75d1618a937f541b479:/tests/regression.at?ds=sidebyside diff --git a/tests/regression.at b/tests/regression.at index 77732f8c..4487dee5 100644 --- a/tests/regression.at +++ b/tests/regression.at @@ -1,5 +1,5 @@ # Bison Regressions. -*- Autotest -*- -# Copyright 2001 Free Software Foundation, Inc. +# Copyright 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 @@ -19,79 +19,6 @@ AT_BANNER([[Regression tests.]]) -## ------------------- ## -## %nonassoc and eof. ## -## ------------------- ## - -AT_SETUP([%nonassoc and eof]) - -AT_DATA([input.y], -[[ -%{ -#include - -#define YYERROR_VERBOSE 1 -#define yyerror(Msg) \ -do { \ - fprintf (stderr, "%s\n", Msg); \ - exit (1); \ -} while (0) - -/* The current argument. */ -static const char *input = NULL; - -static int -yylex (void) -{ - /* No token stands for end of file. */ - if (input && *input) - return *input++; - else - return 0; -} - -%} - -%nonassoc '<' '>' - -%% -expr: expr '<' expr - | expr '>' expr - | '0' - ; -%% -int -main (int argc, const char *argv[]) -{ - if (argc > 1) - input = argv[1]; - return yyparse (); -} -]]) - -# Specify the output files to avoid problems on different file systems. -AT_CHECK([bison input.y -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 0, [], [ignore]) - -AT_CHECK([./input '0<0']) -# FIXME: This is an actual bug, but a new one, in the sense that -# no one has ever spotted it! The messages are *wrong*: there should -# be nothing there, it should be expected eof. -AT_CHECK([./input '0<0<0'], [1], [], - [parse error, unexpected '<', expecting '<' or '>' -]) - -AT_CHECK([./input '0>0']) -AT_CHECK([./input '0>0>0'], [1], [], - [parse error, unexpected '>', expecting '<' or '>' -]) - -AT_CHECK([./input '0<0>0'], [1], [], - [parse error, unexpected '>', expecting '<' or '>' -]) - -AT_CLEANUP - ## ---------------- ## ## Braces parsing. ## ## ---------------- ## @@ -103,7 +30,7 @@ AT_DATA([input.y], [[/* Bison used to swallow the character after `}'. */ %% -exp: { tests = {{{{{{{{{{}}}}}}}}}}; } +exp: { tests = {{{{{{{{{{}}}}}}}}}}; }; %% ]]) @@ -139,216 +66,6 @@ AT_CHECK([bison -v input.y -o input.c], 0, ignore, ignore) AT_CLEANUP -## ------------------------- ## -## Unresolved SR Conflicts. ## -## ------------------------- ## - -AT_SETUP([Unresolved SR Conflicts]) - -AT_DATA([input.y], -[[%token NUM OP -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c -v], 0, [], -[input.y contains 1 shift/reduce conflict. -]) - -# Check the contents of the report. -AT_CHECK([cat input.output], [], -[[State 5 contains 1 shift/reduce conflict. - - -Grammar - - Number, Line, Rule - 0 3 $axiom -> exp $ - 1 3 exp -> exp OP exp - 2 3 exp -> NUM - - -Terminals, with rules where they appear - -$ (0) 0 -error (256) -NUM (257) 2 -OP (258) 1 - - -Nonterminals, with rules where they appear - -$axiom (5) - on left: 0 -exp (6) - on left: 1 2, on right: 0 1 - - -state 0 - - NUM shift, and go to state 1 - - exp go to state 2 - - - -state 1 - - exp -> NUM . (rule 2) - - $default reduce using rule 2 (exp) - - - -state 2 - - $axiom -> exp . $ (rule 0) - exp -> exp . OP exp (rule 1) - - $ shift, and go to state 3 - OP shift, and go to state 4 - - - -state 3 - - $axiom -> exp $ . (rule 0) - - $default accept - - -state 4 - - exp -> exp OP . exp (rule 1) - - NUM shift, and go to state 1 - - exp go to state 5 - - - -state 5 - - exp -> exp . OP exp (rule 1) - exp -> exp OP exp . (rule 1) - - OP shift, and go to state 4 - - OP [reduce using rule 1 (exp)] - $default reduce using rule 1 (exp) - - - -]]) - -AT_CLEANUP - - -## --------------------- ## -## Solved SR Conflicts. ## -## --------------------- ## - -AT_SETUP([Solved SR Conflicts]) - -AT_DATA([input.y], -[[%token NUM OP -%right OP -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c -v], 0, [], []) - -# Check the contents of the report. -AT_CHECK([cat input.output], [], -[[Conflict in state 5 between rule 2 and token OP resolved as shift. - - -Grammar - - Number, Line, Rule - 0 4 $axiom -> exp $ - 1 4 exp -> exp OP exp - 2 4 exp -> NUM - - -Terminals, with rules where they appear - -$ (0) 0 -error (256) -NUM (257) 2 -OP (258) 1 - - -Nonterminals, with rules where they appear - -$axiom (5) - on left: 0 -exp (6) - on left: 1 2, on right: 0 1 - - -state 0 - - NUM shift, and go to state 1 - - exp go to state 2 - - - -state 1 - - exp -> NUM . (rule 2) - - $default reduce using rule 2 (exp) - - - -state 2 - - $axiom -> exp . $ (rule 0) - exp -> exp . OP exp (rule 1) - - $ shift, and go to state 3 - OP shift, and go to state 4 - - - -state 3 - - $axiom -> exp $ . (rule 0) - - $default accept - - -state 4 - - exp -> exp OP . exp (rule 1) - - NUM shift, and go to state 1 - - exp go to state 5 - - - -state 5 - - exp -> exp . OP exp (rule 1) - exp -> exp OP exp . (rule 1) - - OP shift, and go to state 4 - - $default reduce using rule 1 (exp) - - - -]]) - -AT_CLEANUP - - - - ## ------------------- ## ## Rule Line Numbers. ## ## ------------------- ## @@ -382,7 +99,7 @@ expr: { -} +}; ]]) AT_CHECK([bison input.y -o input.c -v], 0, [], []) @@ -422,6 +139,8 @@ expr (7) state 0 + $axiom -> . expr $ (rule 0) + 'a' shift, and go to state 1 $default reduce using rule 3 (@2) @@ -494,63 +213,6 @@ AT_CLEANUP -## -------------------- ## -## %expect not enough. ## -## -------------------- ## - -AT_SETUP([%expect not enough]) - -AT_DATA([input.y], -[[%token NUM OP -%expect 0 -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c], 1, [], -[input.y contains 1 shift/reduce conflict. -expected 0 shift/reduce conflicts -]) -AT_CLEANUP - - -## --------------- ## -## %expect right. ## -## --------------- ## - -AT_SETUP([%expect right]) - -AT_DATA([input.y], -[[%token NUM OP -%expect 1 -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c], 0) -AT_CLEANUP - - -## ------------------ ## -## %expect too much. ## -## ------------------ ## - -AT_SETUP([%expect too much]) - -AT_DATA([input.y], -[[%token NUM OP -%expect 2 -%% -exp: exp OP exp | NUM; -]]) - -AT_CHECK([bison input.y -o input.c], 1, [], -[input.y contains 1 shift/reduce conflict. -expected 2 shift/reduce conflicts -]) -AT_CLEANUP - - ## ---------------------- ## ## Mixing %token styles. ## ## ---------------------- ## @@ -674,8 +336,8 @@ $ (0) 0 ';' (59) 5 '=' (61) 5 error (256) -undef_id_tok (257) 5 -const_id_tok (258) 5 +undef_id_tok (258) 5 +const_id_tok (259) 5 Nonterminals, with rules where they appear $axiom (7) on left: 0 @@ -688,6 +350,7 @@ CONST_DEC (10) @1 (11) on left: 4, on right: 5 state 0 + $axiom -> . CONST_DEC_PART $ (rule 0) $default reduce using rule 4 (@1) CONST_DEC_PART go to state 1 CONST_DEC_LIST go to state 2 @@ -770,7 +433,7 @@ AT_CHECK([bison -v input.y -o input.c]) # Check only the tables. We don't use --no-parser, because it is # still to be implemented in the experimental branch of Bison. AT_CHECK([[sed -n 's/ *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0, -[[static const char yytranslate[] = +[[static const yy_token_number_type yytranslate[] = { 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, @@ -797,14 +460,14 @@ AT_CHECK([[sed -n 's/ *$//;/^static const.*\[\] =/,/^}/p' input.c]], 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 3, 4, 5, - 6 + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6 }; static const short yyprhs[] = { 0, 0, 3, 5, 6, 9, 14 }; -static const short yyrhs[] = +static const yyrhs_t yyrhs[] = { 8, 0, -1, 9, -1, -1, 10, 11, -1, 3, 4, 5, 8, -1, 6, 8, -1 @@ -816,11 +479,11 @@ static const short yyrline[] = static const char *const yytname[] = { "$", "error", "$undefined.", "\"if\"", "\"const\"", "\"then\"", - "\"else\"", "$axiom", "statement", "struct_stat", "if", "else", NULL + "\"else\"", "$axiom", "statement", "struct_stat", "if", "else", 0 }; static const short yytoknum[] = { - 0, 256, 2, 257, 258, 259, 260, -1 + 0, 256, 257, 258, 259, 260, 261, -1 }; static const short yyr1[] = {