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c373bf8bb8
<http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>. * data/push.c: Expect the new name. * data/yacc.c: Likewise. * doc/bison.texinfo (Push Decl): Update. (Decl Summary): Update %define entry. (Push Parser Function): Update. (Pull Parser Function): Update. (Parser Create Function): Update. (Parser Delete Function): Update. * tests/calc.at (Simple LALR Calculator): Update. * tests/input.at (%define enum variables): Update. * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update. (Push Parsing: Multiple impure instances): Update. (Push Parsing: Unsupported Skeletons): Update. * tests/torture.at (Exploding the Stack Size with Alloca): Update. (Exploding the Stack Size with Malloc): Update. * NEWS (2.3a+): Add an entry for the push parser, and clean up the other entries some.
171 lines
3.7 KiB
Plaintext
171 lines
3.7 KiB
Plaintext
# Checking Push Parsing. -*- Autotest -*-
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# Copyright (C) 2007 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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AT_BANNER([[Push Parsing Tests]])
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## ---------------------------------------------- ##
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## Push Parsing: Memory Leak for Early Deletion. ##
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## ---------------------------------------------- ##
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AT_SETUP([[Push Parsing: Memory Leak for Early Deletion]])
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# Requires Valgrind.
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AT_DATA_GRAMMAR([[input.y]],
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[[
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%{
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#include <assert.h>
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#include <stdio.h>
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#define YYINITDEPTH 1
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void yyerror (char const *msg);
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%}
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%pure-parser %define api.push_pull "push"
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%%
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start: 'a' 'b' 'c' ;
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%%
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void
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yyerror (char const *msg)
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{
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fprintf (stderr, "%s\n", msg);
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}
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int
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main (void)
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{
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yypstate *ps;
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/* Make sure we don't try to free ps->yyss in this case. */
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ps = yypstate_new ();
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yypstate_delete (ps);
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/* yypstate_delete used to leak ps->yyss if the stack was reallocated but the
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parse did not return on success, syntax error, or memory exhaustion. */
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ps = yypstate_new ();
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assert (yypush_parse (ps, 'a', NULL) == YYPUSH_MORE);
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yypstate_delete (ps);
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ps = yypstate_new ();
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assert (yypush_parse (ps, 'a', NULL) == YYPUSH_MORE);
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assert (yypush_parse (ps, 'b', NULL) == YYPUSH_MORE);
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yypstate_delete (ps);
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return 0;
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}
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]])
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AT_CHECK([[bison -o input.c input.y]])
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AT_COMPILE([[input]])
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AT_PARSER_CHECK([[./input]])
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AT_CLEANUP
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## ----------------------------------------- ##
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## Push Parsing: Multiple impure instances. ##
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## ----------------------------------------- ##
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AT_SETUP([[Push Parsing: Multiple impure instances]])
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AT_DATA_GRAMMAR([[input.y]],
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[[
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%{
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#include <assert.h>
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#include <stdio.h>
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void yyerror (char const *msg);
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int yylex (void);
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%}
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%define api.push_pull "both"
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%%
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start: ;
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%%
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void
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yyerror (char const *msg)
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{
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fprintf (stderr, "%s\n", msg);
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}
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int
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yylex (void)
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{
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return 0;
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}
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int
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main (void)
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{
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yypstate *ps;
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int i;
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for (i = 0; i < 2; ++i)
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{
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ps = yypstate_new ();
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assert (ps);
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assert (yypstate_new () == NULL);
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assert (yyparse () == 2);
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yychar = 0;
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assert (yypush_parse (ps) == 0);
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assert (yypstate_new () == NULL);
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assert (yyparse () == 2);
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yypstate_delete (ps);
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}
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return 0;
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}
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]])
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AT_CHECK([[bison -o input.c input.y]])
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AT_COMPILE([[input]])
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AT_PARSER_CHECK([[./input]], 0, [],
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[[cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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cannot allocate multiple impure push-parser instances
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]])
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AT_CLEANUP
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## ------------------------------------- ##
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## Push Parsing: Unsupported Skeletons. ##
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## ------------------------------------- ##
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AT_SETUP([[Push Parsing: Unsupported Skeletons]])
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AT_DATA([[input.y]],
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[[%glr-parser
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%define api.push_pull "push"
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%%
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start: ;
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]])
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AT_CHECK([[bison input.y]], [0], [],
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[[input.y:2.9-21: warning: %define variable `api.push_pull' is not used
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]])
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AT_CLEANUP
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