X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0fb669f9d648dfdd7a39478a6b658511455ae966..de5ab9400a4aaeb9ea63b489118e7dd2b30873f2:/tests/cxx-type.at?ds=sidebyside diff --git a/tests/cxx-type.at b/tests/cxx-type.at index 7cd22bce..923dc237 100644 --- a/tests/cxx-type.at +++ b/tests/cxx-type.at @@ -1,20 +1,19 @@ # Checking GLR Parsing. -*- Autotest -*- -# Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 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([[C++ Type Syntax (GLR).]]) @@ -34,11 +33,33 @@ $1 %{ #include - #define YYSTYPE char const * + union Node { + struct { + int isNterm; + int parents; + } nodeInfo; + struct { + int isNterm; /* 1 */ + int parents; + char const *form; + union Node *children[3]; + } nterm; + struct { + int isNterm; /* 0 */ + int parents; + char *text; + } term; + }; + typedef union Node Node; + static Node *new_nterm (char const *, Node *, Node *, Node *); + static Node *new_term (char *); + static void free_node (Node *); + static char *node_to_string (Node *); + #define YYSTYPE Node * ]m4_bmatch([$2], [stmtMerge], [ static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1);])[ #define YYINITDEPTH 10 - static char *format (char const *, ...); + #define YYSTACKEXPANDABLE 1 struct YYLTYPE; #if YYPURE # if YYLSP_NEEDED @@ -55,7 +76,7 @@ $1 # define ERROR_PARAMETERS char const *s #endif int yylex (LEX_PARAMETERS); - int yyerror (ERROR_PARAMETERS); + void yyerror (ERROR_PARAMETERS); %} %token TYPENAME ID @@ -65,34 +86,41 @@ $1 %glr-parser +%destructor { free_node ($$); } stmt expr decl declarator TYPENAME ID + %% prog : | prog stmt { -]AT_LOCATION_IF([ + char *output;]AT_LOCATION_IF([ printf ("%d.%d-%d.%d: ", @2.first_line, @2.first_column, @2.last_line, @2.last_column);])[ - printf ("%s\n", ]$[2); + output = node_to_string (]$[2); + printf ("%s\n", output); + free (output); + free_node (]$[2); } ; stmt : expr ';' $2 { $$ = ]$[1; } | decl $3 - | error ';' { $$ = ""; } - | '@' { YYACCEPT; } + | error ';' { $$ = new_nterm ("", 0, 0, 0); } + | '@' { YYACCEPT; } ; expr : ID - | TYPENAME '(' expr ')' { $$ = format ("(%s,%s)", ]$[3, ]$[1); } - | expr '+' expr { $$ = format ("+(%s,%s)", ]$[1, ]$[3); } - | expr '=' expr { $$ = format ("=(%s,%s)", ]$[1, ]$[3); } + | TYPENAME '(' expr ')' + { $$ = new_nterm ("(%s,%s)", ]$[3, ]$[1, 0); } + | expr '+' expr { $$ = new_nterm ("+(%s,%s)", ]$[1, ]$[3, 0); } + | expr '=' expr { $$ = new_nterm ("=(%s,%s)", ]$[1, ]$[3, 0); } ; decl : TYPENAME declarator ';' - { $$ = format ("(%s,%s)", ]$[1, ]$[2); } + { $$ = new_nterm ("(%s,%s)", ]$[1, ]$[2, 0); } | TYPENAME declarator '=' expr ';' - { $$ = format ("(%s,%s,%s)", ]$[1, ]$[2, ]$[4); } + { $$ = new_nterm ("(%s,%s,%s)", ]$[1, + ]$[2, ]$[4); } ; declarator : ID @@ -112,8 +140,8 @@ main (int argc, char **argv) if (argc != 2) abort (); if (!freopen (argv[1], "r", stdin)) - abort (); - exit (yyparse ()); + return 3; + return yyparse (); } int @@ -126,12 +154,16 @@ yylex (LEX_PARAMETERS) static int colNum = 0; #if YYPURE +# undef yylloc # define yylloc (*llocp) +# undef yylval # define yylval (*lvalp) #endif while (1) { + if (feof (stdin)) + abort (); c = getchar (); switch (c) { @@ -142,7 +174,7 @@ yylex (LEX_PARAMETERS) break; case ' ': case '\f': colNum += 1; - break; + break; case '\n': lineNum += 1; colNum = 0; @@ -171,13 +203,13 @@ yylex (LEX_PARAMETERS) ungetc (c, stdin); buffer[i++] = 0; tok = isupper ((unsigned char) buffer[0]) ? TYPENAME : ID; - yylval = strcpy (malloc (i), buffer); + yylval = new_term (strcpy ((char *) malloc (i), buffer)); } else { colNum += 1; tok = c; - yylval = ""; + yylval = 0; } #if YYLSP_NEEDED yylloc.last_column = colNum-1; @@ -188,7 +220,7 @@ yylex (LEX_PARAMETERS) } } -int +void yyerror (ERROR_PARAMETERS) { #if YYPURE && YYLSP_NEEDED @@ -197,19 +229,84 @@ yyerror (ERROR_PARAMETERS) abort (); #endif fprintf (stderr, "%s\n", s); - return 0; } +static Node * +new_nterm (char const *form, Node *child0, Node *child1, Node *child2) +{ + Node *node = (Node *) malloc (sizeof (Node)); + node->nterm.isNterm = 1; + node->nterm.parents = 0; + node->nterm.form = form; + node->nterm.children[0] = child0; + if (child0) + child0->nodeInfo.parents += 1; + node->nterm.children[1] = child1; + if (child1) + child1->nodeInfo.parents += 1; + node->nterm.children[2] = child2; + if (child2) + child2->nodeInfo.parents += 1; + return node; +} + +static Node * +new_term (char *text) +{ + Node *node = (Node *) malloc (sizeof (Node)); + node->term.isNterm = 0; + node->term.parents = 0; + node->term.text = text; + return node; +} + +static void +free_node (Node *node) +{ + if (!node) + return; + node->nodeInfo.parents -= 1; + /* Free only if 0 (last parent) or -1 (no parents). */ + if (node->nodeInfo.parents > 0) + return; + if (node->nodeInfo.isNterm == 1) + { + free_node (node->nterm.children[0]); + free_node (node->nterm.children[1]); + free_node (node->nterm.children[2]); + } + else + free (node->term.text); + free (node); +} static char * -format (char const *form, ...) +node_to_string (Node *node) { - char buffer[1024]; - va_list args; - va_start (args, form); - vsprintf (buffer, form, args); - va_end (args); - return strcpy (malloc (strlen (buffer) + 1), buffer); + char *child0; + char *child1; + char *child2; + char *buffer; + if (!node) + { + buffer = (char *) malloc (1); + buffer[0] = 0; + } + else if (node->nodeInfo.isNterm == 1) + { + child0 = node_to_string (node->nterm.children[0]); + child1 = node_to_string (node->nterm.children[1]); + child2 = node_to_string (node->nterm.children[2]); + buffer = (char *) malloc (strlen (node->nterm.form) + strlen (child0) + + strlen (child1) + strlen (child2) + 1); + sprintf (buffer, node->nterm.form, child0, child1, child2); + free (child0); + free (child1); + free (child2); + } + else + buffer = strdup (node->term.text); + return buffer; } ]] @@ -217,7 +314,7 @@ m4_bmatch([$2], [stmtMerge], [[static YYSTYPE stmtMerge (YYSTYPE x0, YYSTYPE x1) { - return format ("(%s,%s)", x0, x1); + return new_nterm ("(%s,%s)", x0, x1, 0); } ]]) ) @@ -248,13 +345,13 @@ z + q; This is total garbage, but it should be ignored. ]]) -AT_CHECK([bison -o types.c types.y], 0, [], ignore) +AT_BISON_CHECK([-o types.c types.y], 0, [], ignore) AT_COMPILE([types]) AT_BISON_OPTION_POPDEFS ]) m4_define([_AT_RESOLVED_GLR_OUTPUT], -[[+(z,q) +[[[+(z,q) (T,x) (T,x,y) =(x,y) @@ -263,10 +360,10 @@ m4_define([_AT_RESOLVED_GLR_OUTPUT], (T,y,+(z,q)) +(z,q) -]]) +]]]) m4_define([_AT_RESOLVED_GLR_OUTPUT_WITH_LOC], -[[3.0-3.5: +(z,q) +[[[3.0-3.5: +(z,q) 5.0-5.3: (T,x) 7.0-7.7: (T,x,y) 9.0-9.5: =(x,y) @@ -275,10 +372,10 @@ m4_define([_AT_RESOLVED_GLR_OUTPUT_WITH_LOC], 15.0-15.13: (T,y,+(z,q)) 17.0-17.15: 19.0-19.5: +(z,q) -]]) +]]]) m4_define([_AT_AMBIG_GLR_OUTPUT], -[[+(z,q) +[[[+(z,q) (T,x) (T,x,y) =(x,y) @@ -287,10 +384,10 @@ m4_define([_AT_AMBIG_GLR_OUTPUT], ((T,y,+(z,q)),=((y,T),+(z,q))) +(z,q) -]]) +]]]) m4_define([_AT_AMBIG_GLR_OUTPUT_WITH_LOC], -[[3.0-3.5: +(z,q) +[[[3.0-3.5: +(z,q) 5.0-5.3: (T,x) 7.0-7.7: (T,x,y) 9.0-9.5: =(x,y) @@ -299,15 +396,15 @@ m4_define([_AT_AMBIG_GLR_OUTPUT_WITH_LOC], 15.0-15.13: ((T,y,+(z,q)),=((y,T),+(z,q))) 17.0-17.15: 19.0-19.5: +(z,q) -]]) +]]]) m4_define([_AT_GLR_STDERR], -[[syntax error -]]) +[[[syntax error +]]]) m4_define([_AT_VERBOSE_GLR_STDERR], -[[syntax error, unexpected ID, expecting '=' or '+' or ')' -]]) +[[[syntax error, unexpected ID, expecting '=' or '+' or ')' +]]]) ## ---------------------------------------------------- ## ## Compile the grammar described in the documentation. ## @@ -315,61 +412,61 @@ m4_define([_AT_VERBOSE_GLR_STDERR], AT_SETUP([GLR: Resolve ambiguity, impure, no locations]) _AT_TEST_GLR_CXXTYPES([], - [%dprec 1], [%dprec 2]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR) + [%dprec 1], [%dprec 2]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Resolve ambiguity, impure, locations]) _AT_TEST_GLR_CXXTYPES([%locations],[%dprec 1],[%dprec 2]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Resolve ambiguity, pure, no locations]) -_AT_TEST_GLR_CXXTYPES([%pure-parser], - [%dprec 1], [%dprec 2]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR) +_AT_TEST_GLR_CXXTYPES([%define api.pure], + [%dprec 1], [%dprec 2]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_RESOLVED_GLR_OUTPUT, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Resolve ambiguity, pure, locations]) -_AT_TEST_GLR_CXXTYPES([%pure-parser %locations], - [%dprec 1], [%dprec 2]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) +_AT_TEST_GLR_CXXTYPES([%define api.pure %locations], + [%dprec 1], [%dprec 2]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Merge conflicting parses, impure, no locations]) _AT_TEST_GLR_CXXTYPES([], - [%merge ], [%merge ]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR) + [%merge ], [%merge ]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Merge conflicting parses, impure, locations]) _AT_TEST_GLR_CXXTYPES([%locations], - [%merge ], [%merge ]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) + [%merge ], [%merge ]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Merge conflicting parses, pure, no locations]) -_AT_TEST_GLR_CXXTYPES([%pure-parser], - [%merge ], [%merge ]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR) +_AT_TEST_GLR_CXXTYPES([%define api.pure], + [%merge ], [%merge ]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Merge conflicting parses, pure, locations]) -_AT_TEST_GLR_CXXTYPES([%pure-parser %locations], - [%merge ],[%merge ]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) +_AT_TEST_GLR_CXXTYPES([%define api.pure %locations], + [%merge ],[%merge ]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR) AT_CLEANUP AT_SETUP([GLR: Verbose messages, resolve ambiguity, impure, no locations]) _AT_TEST_GLR_CXXTYPES([%error-verbose], - [%merge ], [%merge ]) -AT_PARSER_CHECK([[./types test-input | sed 's/ *$//']], 0, - _AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR) + [%merge ], [%merge ]) +AT_PARSER_CHECK([[./types test-input]], 0, + _AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR) AT_CLEANUP