X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/25005f6ab0c38e8106148648834389b787ad5877..5277c0a30453b4fb279022b467e3c7960d07fb2c:/tests/cxx-type.at

diff --git a/tests/cxx-type.at b/tests/cxx-type.at
index ded69471..0725bfc1 100644
--- a/tests/cxx-type.at
+++ b/tests/cxx-type.at
@@ -1,20 +1,19 @@
 # Checking GLR Parsing.                         -*- Autotest -*-
-# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 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., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AT_BANNER([[C++ Type Syntax (GLR).]])
 
@@ -34,12 +33,50 @@ $1
 
 %{
   #include <stdio.h>
-  #define YYSTYPE const char*
+  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 (const char*,  ...);
-
+  #define YYSTACKEXPANDABLE 1
+  struct YYLTYPE;
+#if YYPURE
+# if YYLSP_NEEDED
+#  define LEX_PARAMETERS YYSTYPE *lvalp, struct YYLTYPE *llocp
+#  define ERROR_PARAMETERS struct YYLTYPE *llocp, char const *s
+# else
+#  define LEX_PARAMETERS YYSTYPE *lvalp
+# endif
+#endif
+#ifndef LEX_PARAMETERS
+# define LEX_PARAMETERS void
+#endif
+#ifndef ERROR_PARAMETERS
+# define ERROR_PARAMETERS char const *s
+#endif
+  int yylex (LEX_PARAMETERS);
+  void yyerror (ERROR_PARAMETERS);
 %}
 
 %token TYPENAME ID
@@ -49,34 +86,41 @@ $1
 
 %glr-parser
 
+%destructor { free_node ($$); } stmt expr decl declarator TYPENAME ID
+
 %%
 
 prog :
-     | prog stmt   { 
-]AT_LOCATION_IF([
-			printf ("%d.%d-%d.%d: ", 
+     | prog stmt   {
+			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	{ $$ = ]$[1; }
      | decl      $3
-     | error ';'	{ $$ = "<error>"; }
-     | '@'  		{ YYACCEPT; }
+     | error ';'	{ $$ = new_nterm ("<error>", 0, 0, 0); }
+     | '@'		{ YYACCEPT; }
      ;
 
 expr : ID
-     | TYPENAME '(' expr ')'  { $$ = format ("<cast>(%s,%s)", ]$[3, ]$[1); }
-     | expr '+' expr	      { $$ = format ("+(%s,%s)", ]$[1, ]$[3); }
-     | expr '=' expr          { $$ = format ("=(%s,%s)", ]$[1, ]$[3); }
+     | TYPENAME '(' expr ')'
+			{ $$ = new_nterm ("<cast>(%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 ';'
-			{ $$ = format ("<declare>(%s,%s)", ]$[1, ]$[2); }
+			{ $$ = new_nterm ("<declare>(%s,%s)", ]$[1, ]$[2, 0); }
      | TYPENAME declarator '=' expr ';'
-			{ $$ = format ("<init-declare>(%s,%s,%s)", ]$[1, ]$[2, ]$[4); }
+			{ $$ = new_nterm ("<init-declare>(%s,%s,%s)", ]$[1,
+					  ]$[2, ]$[4); }
      ;
 
 declarator : ID
@@ -91,58 +135,55 @@ declarator : ID
 #include <stdarg.h>
 
 int
-main (int argc, char** argv)
+main (int argc, char **argv)
 {
   if (argc != 2)
     abort ();
   if (!freopen (argv[1], "r", stdin))
-    abort ();
-  exit (yyparse ());
+    return 3;
+  return yyparse ();
 }
 
 int
-#if YYPURE && YYLSP_NEEDED
-  yylex (YYSTYPE *lvalp, YYLTYPE *llocp)
-#elif YYPURE
-  yylex (YYSTYPE *lvalp)
-#else
-  yylex ()
-#endif
+yylex (LEX_PARAMETERS)
 {
   char buffer[256];
   int c;
   unsigned int i;
   static int lineNum = 1;
-  static int colNum = 1;
-
+  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)
 	{
 	case EOF:
 	  return 0;
 	case '\t':
-	  colNum = 1 + ((colNum + 7) & ~7);
+	  colNum = (colNum + 7) & ~7;
 	  break;
 	case ' ': case '\f':
 	  colNum += 1;
- 	  break;
-	case '\n': 
+	  break;
+	case '\n':
 	  lineNum += 1;
-	  colNum = 1;
+	  colNum = 0;
 	  break;
 	default:
 	  {
 	    int tok;
 #if YYLSP_NEEDED
-	    yylloc.first_line = yylloc.last_line = lineNum; 
+	    yylloc.first_line = yylloc.last_line = lineNum;
 	    yylloc.first_column = colNum;
 #endif
 	    if (isalpha (c))
@@ -162,13 +203,13 @@ int
 		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 
+	    else
 	      {
 		colNum += 1;
 		tok = c;
-		yylval = "";
+		yylval = 0;
 	      }
 #if YYLSP_NEEDED
 	    yylloc.last_column = colNum-1;
@@ -179,27 +220,93 @@ int
     }
 }
 
-int
-yyerror (
+void
+yyerror (ERROR_PARAMETERS)
+{
 #if YYPURE && YYLSP_NEEDED
-         YYLTYPE *llocp,
+  /* Pacify GCC by using llocp.  */
+  if (! llocp)
+    abort ();
 #endif
-         const char *s
-        )
-{
   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 char* format (const char* form, ...) 
+static void
+free_node (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);
+  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 *
+node_to_string (Node *node)
+{
+  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;
 }
 
 ]]
@@ -207,7 +314,7 @@ m4_bmatch([$2], [stmtMerge],
 [[static YYSTYPE
 stmtMerge (YYSTYPE x0, YYSTYPE x1)
 {
-  return format ("<OR>(%s,%s)", x0, x1);
+  return new_nterm ("<OR>(%s,%s)", x0, x1, 0);
 }
 ]])
 )
@@ -238,7 +345,7 @@ 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
 ])
@@ -256,15 +363,15 @@ m4_define([_AT_RESOLVED_GLR_OUTPUT],
 ]])
 
 m4_define([_AT_RESOLVED_GLR_OUTPUT_WITH_LOC],
-[[3.1-3.6: +(z,q)
-5.1-5.4: <declare>(T,x)
-7.1-7.8: <init-declare>(T,x,y)
-9.1-9.6: =(x,y)
-11.1-11.10: +(<cast>(x,T),y)
-13.1-13.6: <declare>(T,x)
-15.1-15.14: <init-declare>(T,y,+(z,q))
-17.6-17.16: <error>
-19.1-19.6: +(z,q)
+[[3.0-3.5: +(z,q)
+5.0-5.3: <declare>(T,x)
+7.0-7.7: <init-declare>(T,x,y)
+9.0-9.5: =(x,y)
+11.0-11.9: +(<cast>(x,T),y)
+13.0-13.5: <declare>(T,x)
+15.0-15.13: <init-declare>(T,y,+(z,q))
+17.0-17.15: <error>
+19.0-19.5: +(z,q)
 ]])
 
 m4_define([_AT_AMBIG_GLR_OUTPUT],
@@ -280,15 +387,15 @@ m4_define([_AT_AMBIG_GLR_OUTPUT],
 ]])
 
 m4_define([_AT_AMBIG_GLR_OUTPUT_WITH_LOC],
-[[3.1-3.6: +(z,q)
-5.1-5.4: <declare>(T,x)
-7.1-7.8: <init-declare>(T,x,y)
-9.1-9.6: =(x,y)
-11.1-11.10: +(<cast>(x,T),y)
-13.1-13.6: <OR>(<declare>(T,x),<cast>(x,T))
-15.1-15.14: <OR>(<init-declare>(T,y,+(z,q)),=(<cast>(y,T),+(z,q)))
-17.6-17.16: <error>
-19.1-19.6: +(z,q)
+[[3.0-3.5: +(z,q)
+5.0-5.3: <declare>(T,x)
+7.0-7.7: <init-declare>(T,x,y)
+9.0-9.5: =(x,y)
+11.0-11.9: +(<cast>(x,T),y)
+13.0-13.5: <OR>(<declare>(T,x),<cast>(x,T))
+15.0-15.13: <OR>(<init-declare>(T,y,+(z,q)),=(<cast>(y,T),+(z,q)))
+17.0-17.15: <error>
+19.0-19.5: +(z,q)
 ]])
 
 m4_define([_AT_GLR_STDERR],
@@ -305,61 +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 <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/  *$//']], 0,
-                _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
+		      [%merge <stmtMerge>], [%merge <stmtMerge>])
+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 <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/  *$//']], 0,
-                _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
+		      [%merge <stmtMerge>], [%merge <stmtMerge>])
+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 <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/  *$//']], 0,
-                _AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
+_AT_TEST_GLR_CXXTYPES([%define api.pure],
+		      [%merge <stmtMerge>], [%merge <stmtMerge>])
+AT_PARSER_CHECK([[./types test-input]], 0,
+		_AT_AMBIG_GLR_OUTPUT, _AT_GLR_STDERR)
 AT_CLEANUP
 AT_SETUP([GLR: Merge conflicting parses, pure, locations])
-_AT_TEST_GLR_CXXTYPES([%pure-parser %locations],
-                      [%merge <stmtMerge>],[%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/  *$//']], 0,
-                _AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
+_AT_TEST_GLR_CXXTYPES([%define api.pure %locations],
+		      [%merge <stmtMerge>],[%merge <stmtMerge>])
+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 <stmtMerge>], [%merge <stmtMerge>])
-AT_PARSER_CHECK([[./types test-input | sed 's/  *$//']], 0,
-	        _AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR)
+		      [%merge <stmtMerge>], [%merge <stmtMerge>])
+AT_PARSER_CHECK([[./types test-input]], 0,
+		_AT_AMBIG_GLR_OUTPUT, _AT_VERBOSE_GLR_STDERR)
 AT_CLEANUP