Sync with gnulib.

[bison.git] / tests / actions.at

diff --git a/tests/actions.at b/tests/actions.at
index e6e23866d7a052d43de0d30a824d92c28a5a80ae..83ed2872b0f944890272c814ff2ccd7ebfc7cb77 100644 (file)
--- a/tests/actions.at
+++ b/tests/actions.at
@@ -1,5 +1,5 @@
 # Executing Actions.                               -*- Autotest -*-
 # Executing Actions.                               -*- Autotest -*-

-# Copyright 2001 Free Software Foundation, Inc.
+# Copyright (C) 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
 
 # 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


@@ -29,7 +29,7 @@ AT_SETUP([Mid-rule actions])
 # instead of being attached to the empty rule dedicated to this
 # action.
 
 # instead of being attached to the empty rule dedicated to this
 # action.
 

-AT_DATA([[input.y]],
+AT_DATA_GRAMMAR([[input.y]],

 [[%{
 # include <stdio.h>
 # include <stdlib.h>
 [[%{
 # include <stdio.h>
 # include <stdlib.h>


@@ -82,13 +82,160 @@ AT_CLEANUP
 
 
 
 
 
 

+## ---------------------- ##
+## Actions after errors.  ##
+## ---------------------- ##
+
+AT_SETUP([Actions after errors])
+
+
+
+AT_DATA_GRAMMAR([[input.y]],
+[[%{
+#include <stdio.h>
+#include <stdlib.h>
+
+static int yylex (void);
+static void yyerror (char const *);
+
+#define YYDEBUG 1
+%}
+%union { int ival; }
+%type <ival> 'x' ';' thing line input
+
+%%
+input:
+  /* Nothing. */
+    {
+      $$ = 0;
+      printf ("input (%d): /* Nothing */\n", $$);
+    }
+| line input /* Right recursive to load the stack so that popping at
+               EOF can be exercised.  */
+    {
+      $$ = 2;
+      printf ("input (%d): line (%d) input (%d)\n", $$, $1, $2);
+    }
+;
+
+line:
+  thing thing thing ';'
+    {
+      $$ = $1;
+      printf ("line (%d): thing (%d) thing (%d) thing (%d) ';' (%d)\n",
+             $$, $1, $2, $3, $4);
+    }
+| thing thing ';'
+    {
+      $$ = $1;
+      printf ("line (%d): thing (%d) thing (%d) ';' (%d)\n", $$, $1, $2, $3);
+    }
+| thing ';'
+    {
+      $$ = $1;
+      printf ("line (%d): thing (%d) ';' (%d)\n", $$, $1, $2);
+    }
+| error ';'
+    {
+      $$ = -1;
+      printf ("line (%d): error ';' (%d)\n", $$, $2);
+    }
+;
+
+thing:
+  'x'
+    {
+      $$ = $1;
+      printf ("thing (%d): 'x' (%d)\n", $$, $1);
+    }
+;
+%%
+static size_t counter;
+
+static int
+yylex (void)
+{
+  static char const input[] =
+    {
+      /* Exericise the discarding of stack top and input until `error'
+         can be reduced.  */
+      'x', 'x', 'x', 'x', 'x', 'x', ';',
+
+      /* Load the stack and provoke an error that cannot be caught by
+         the grammar, to check that the stack is cleared. */
+      'x', 'x', ';',
+      'x', ';',
+      'y'
+    };
+
+  if (counter < sizeof input)
+    {
+       yylval.ival = counter;
+       printf ("sending: '%c' (%d)\n", input[counter], yylval.ival);
+       return input[counter++];
+    }
+  else
+    {
+      printf ("sending: EOF\n");
+      return EOF;
+    }
+}
+
+static void
+yyerror (char const *msg)
+{
+  printf ("%lu: %s\n", (unsigned long int) counter, msg);
+}
+
+int
+main (void)
+{
+  yydebug = !!getenv ("YYDEBUG");
+  return yyparse ();
+}
+]])
+
+AT_CHECK([bison -o input.c input.y])
+AT_COMPILE([input])
+AT_PARSER_CHECK([./input], 1,
+[[sending: 'x' (0)
+thing (0): 'x' (0)
+sending: 'x' (1)
+thing (1): 'x' (1)
+sending: 'x' (2)
+thing (2): 'x' (2)
+sending: 'x' (3)
+4: syntax error
+sending: 'x' (4)
+sending: 'x' (5)
+sending: ';' (6)
+line (-1): error ';' (6)
+sending: 'x' (7)
+thing (7): 'x' (7)
+sending: 'x' (8)
+thing (8): 'x' (8)
+sending: ';' (9)
+line (7): thing (7) thing (8) ';' (9)
+sending: 'x' (10)
+thing (10): 'x' (10)
+sending: ';' (11)
+line (10): thing (10) ';' (11)
+sending: 'y' (12)
+13: syntax error
+sending: EOF
+]])
+
+AT_CLEANUP
+
+
+

 ## ---------------- ##
 ## Exotic Dollars.  ##
 ## ---------------- ##
 
 AT_SETUP([Exotic Dollars])
 
 ## ---------------- ##
 ## Exotic Dollars.  ##
 ## ---------------- ##
 
 AT_SETUP([Exotic Dollars])
 

-AT_DATA([[input.y]],
+AT_DATA_GRAMMAR([[input.y]],

 [[%{
 # include <stdio.h>
 # include <stdlib.h>
 [[%{
 # include <stdio.h>
 # include <stdlib.h>


@@ -157,57 +304,67 @@ AT_CLEANUP
 ## Printers and Destructors.  ##
 ## -------------------------- ##
 
 ## Printers and Destructors.  ##
 ## -------------------------- ##
 

-AT_SETUP([Printers and Destructors])
+# _AT_CHECK_PRINTER_AND_DESTRUCTOR($1, $2, $3, $4, BISON-DIRECTIVE)
+# -----------------------------------------------------------------
+m4_define([_AT_CHECK_PRINTER_AND_DESTRUCTOR],
+[m4_if([$1$2$3], $[1]$[2]$[3], [],
+       [m4_fatal([$0: Invalid arguments: $@])])dnl
+
+AT_SETUP([Printers and Destructors: $5])

 
 # Make sure complex $n work.
 
 
 # Make sure complex $n work.
 

-AT_DATA([[input.y]],
-[[%{
+AT_DATA_GRAMMAR([[input.y]],
+[[$5
+%{

 #include <stdio.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdlib.h>

-#include <assert.h>
-
-#define YYERROR_VERBOSE 1
-#define YYDEBUG 1
+#define RANGE(Location) (Location).first_line, (Location).last_line
+static int yylex (void);
+static void yyerror (const char *msg);

 %}
 %}

+%error-verbose
+%debug

 %verbose
 %verbose

+%locations

 %union
 {
   int ival;
 }
 %union
 {
   int ival;
 }

-%type <ival> 'x' thing line input
+%type <ival> 'x' ';' thing line input

 
 

-%printer { fprintf (yyout, "%d from %d", $$, @$.first_line); }
+%printer { fprintf (yyout, "%d@%d-%d", $$, RANGE (@$)); }

    input line thing 'x'
 
 %destructor
    input line thing 'x'
 
 %destructor

-  {
-    fprintf (stdout, "Freeing ");
-    /* FIXME: Ouch: INTERNAL DETAILS EXPOSED HERE. */
-    /* Cannot use $$ which is the union member, not the union itself. */
-    yysymprint (stdout, yytype, yyvalue, @$);
-    fprintf (stdout, "\n");
-  }
-  input line thing 'x'
+  { printf ("Freeing nterm input (%d@%d-%d)\n", $$, RANGE (@$)); }
+  input

 
 

-%{
-static int yylex (void);
-static void yyerror (const char *msg);
-%}
+%destructor
+  { printf ("Freeing nterm line (%d@%d-%d)\n", $$, RANGE (@$)); }
+  line

 
 

+%destructor
+  { printf ("Freeing nterm thing (%d@%d-%d)\n", $$, RANGE (@$)); }
+  thing
+
+%destructor
+  { printf ("Freeing token 'x' (%d@%d-%d)\n", $$, RANGE (@$)); }
+  'x'

 
 %%
 input:
   /* Nothing. */
     {
       $$ = 0;
 
 %%
 input:
   /* Nothing. */
     {
       $$ = 0;

-      printf ("input(%d): /* Nothing */';'\n", $$);
+      printf ("input (%d@%d-%d): /* Nothing */\n", $$, RANGE (@$));

     }
 | line input /* Right recursive to load the stack so that popping at
                EOF can be exercised.  */
     {
       $$ = 2;
     }
 | line input /* Right recursive to load the stack so that popping at
                EOF can be exercised.  */
     {
       $$ = 2;

-      printf ("input(%d): line(%d) input(%d)';'\n", $$, $1, $2);
+      printf ("input (%d@%d-%d): line (%d@%d-%d) input (%d@%d-%d)\n",
+             $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2));

     }
 ;
 
     }
 ;
 


@@ -215,22 +372,27 @@ line:
   thing thing thing ';'
     {
       $$ = $1;
   thing thing thing ';'
     {
       $$ = $1;

-      printf ("line(%d): thing(%d) thing(%d) thing(%d) ';'\n", $$, $1, $2, $3);
+      printf ("line (%d@%d-%d): thing (%d@%d-%d) thing (%d@%d-%d) thing (%d@%d-%d) ';' (%d@%d-%d)\n",
+              $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2),
+              $3, RANGE (@3), $4, RANGE (@4));

     }
 | thing thing ';'
     {
       $$ = $1;
     }
 | thing thing ';'
     {
       $$ = $1;

-      printf ("line(%d): thing(%d) thing(%d) ';'\n", $$, $1, $2);
+      printf ("line (%d@%d-%d): thing (%d@%d-%d) thing (%d@%d-%d) ';' (%d@%d-%d)\n",
+              $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2), $3, RANGE (@3));

     }
 | thing ';'
     {
       $$ = $1;
     }
 | thing ';'
     {
       $$ = $1;

-      printf ("line(%d): thing(%d) ';'\n", $$, $1);
+      printf ("line (%d@%d-%d): thing (%d@%d-%d) ';' (%d@%d-%d)\n",
+              $$, RANGE (@$), $1, RANGE (@1), $2, RANGE (@2));

     }
 | error ';'
     {
       $$ = -1;
     }
 | error ';'
     {
       $$ = -1;

-      printf ("line(%d): error ';'\n", $$);
+      printf ("line (%d@%d-%d): error (@%d-%d) ';' (%d@%d-%d)\n",
+              $$, RANGE (@$), RANGE (@1), $2, RANGE (@2));

     }
 ;
 
     }
 ;
 


@@ -238,7 +400,8 @@ thing:
   'x'
     {
       $$ = $1;
   'x'
     {
       $$ = $1;

-      printf ("thing(%d): 'x'(%d)\n", $$, $1);
+      printf ("thing (%d@%d-%d): 'x' (%d@%d-%d)\n",
+              $$, RANGE (@$), $1, RANGE (@1));

     }
 ;
 %%
     }
 ;
 %%


@@ -247,7 +410,7 @@ yylex (void)
 {
   static const unsigned int input[] =
     {
 {
   static const unsigned int input[] =
     {

-      /* Exericise the discarding of stack top and input until `error'
+      /* Exercise the discarding of stack top and input until `error'

          can be reduced.  */
       'x', 'x', 'x', 'x', 'x', 'x', ';',
 
          can be reduced.  */
       'x', 'x', 'x', 'x', 'x', 'x', ';',
 


@@ -263,9 +426,10 @@ yylex (void)
     {
        yylval.ival = counter;
        /* As in BASIC, line numbers go from 10 to 10.  */
     {
        yylval.ival = counter;
        /* As in BASIC, line numbers go from 10 to 10.  */

-       yylloc.first_line = 10 * counter;
-       printf ("sending: '%c' (value = %d, line %d)\n",
-               input[counter], yylval.ival, yylloc.first_line);
+       yylloc.first_line = yylloc.first_column = 10 * counter;
+       yylloc.last_line = yylloc.last_column = yylloc.first_line + 9;
+       printf ("sending: '%c' (%d@%d-%d)\n",
+               input[counter], yylval.ival, RANGE (yylloc));

        return (int) input[counter++];
     }
   else
        return (int) input[counter++];
     }
   else


@@ -278,7 +442,7 @@ yylex (void)
 static void
 yyerror (const char *msg)
 {
 static void
 yyerror (const char *msg)
 {

-  fprintf (stdout, "%d: %s\n", yylloc.first_line, msg);
+  printf ("%d-%d: %s\n", RANGE (yylloc), msg);

 }
 
 int
 }
 
 int


@@ -287,52 +451,67 @@ main (void)
   yydebug = !!getenv ("YYDEBUG");
   if (yyparse ())
     {
   yydebug = !!getenv ("YYDEBUG");
   if (yyparse ())
     {

-      fprintf (stdout, "Parsing FAILED.\n");
+      printf ("Parsing FAILED.\n");

       exit (1);
     }
       exit (1);
     }

-  fprintf (stdout, "Successful parse.\n");
+  printf ("Successful parse.\n");

   return 0;
 }
 ]])
 
   return 0;
 }
 ]])
 

-AT_CHECK([bison --location -d -v -o input.c input.y])
+AT_CHECK([bison -o input.c input.y])

 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input], 1,

-[[sending: 'x' (value = 0, line 0)
-thing(0): 'x'(0)
-sending: 'x' (value = 1, line 10)
-thing(1): 'x'(1)
-sending: 'x' (value = 2, line 20)
-thing(2): 'x'(2)
-sending: 'x' (value = 3, line 30)
-30: parse error, unexpected 'x', expecting ';'
-Freeing nterm thing (2 from 20)
-Freeing nterm thing (1 from 10)
-Freeing nterm thing (0 from 0)
-Freeing token 'x' (3 from 30)
-sending: 'x' (value = 4, line 40)
-Freeing token 'x' (4 from 40)
-sending: 'x' (value = 5, line 50)
-Freeing token 'x' (5 from 50)
-sending: ';' (value = 6, line 60)
-line(-1): error ';'
-sending: 'x' (value = 7, line 70)
-thing(7): 'x'(7)
-sending: 'x' (value = 8, line 80)
-thing(8): 'x'(8)
-sending: ';' (value = 9, line 90)
-line(7): thing(7) thing(8) ';'
-sending: 'x' (value = 10, line 100)
-thing(10): 'x'(10)
-sending: ';' (value = 11, line 110)
-line(10): thing(10) ';'
-sending: 'y' (value = 12, line 120)
-120: parse error, unexpected $undefined, expecting $end or 'x'
+[[sending: 'x' (0@0-9)
+thing (0@0-9): 'x' (0@0-9)
+sending: 'x' (1@10-19)
+thing (1@10-19): 'x' (1@10-19)
+sending: 'x' (2@20-29)
+thing (2@20-29): 'x' (2@20-29)
+sending: 'x' (3@30-39)
+30-39: syntax error, unexpected 'x', expecting ';'
+Freeing nterm thing (2@20-29)
+Freeing nterm thing (1@10-19)
+Freeing nterm thing (0@0-9)
+Freeing token 'x' (3@30-39)
+sending: 'x' (4@40-49)
+Freeing token 'x' (4@40-49)
+sending: 'x' (5@50-59)
+Freeing token 'x' (5@50-59)
+sending: ';' (6@60-69)
+line (-1@50-69): error (@50-59) ';' (6@60-69)
+sending: 'x' (7@70-79)
+thing (7@70-79): 'x' (7@70-79)
+sending: 'x' (8@80-89)
+thing (8@80-89): 'x' (8@80-89)
+sending: ';' (9@90-99)
+line (7@70-99): thing (7@70-79) thing (8@80-89) ';' (9@90-99)
+sending: 'x' (10@100-109)
+thing (10@100-109): 'x' (10@100-109)
+sending: ';' (11@110-119)
+line (10@100-119): thing (10@100-109) ';' (11@110-119)
+sending: 'y' (12@120-129)
+120-129: syntax error, unexpected $undefined, expecting $end or 'x'

 sending: EOF
 sending: EOF

-Freeing nterm line (10 from 100)
-Freeing nterm line (7 from 70)
-Freeing nterm line (-1 from 50)
+Freeing nterm line (10@100-119)
+Freeing nterm line (7@70-99)
+Freeing nterm line (-1@50-69)

 Parsing FAILED.
 ]])
 
 AT_CLEANUP
 Parsing FAILED.
 ]])
 
 AT_CLEANUP

+])
+
+
+# AT_CHECK_PRINTER_AND_DESTRUCTOR([BISON-OPTIONS])
+# ------------------------------------------------
+# Produce `calc.y'.
+m4_define([AT_CHECK_PRINTER_AND_DESTRUCTOR],
+[_AT_CHECK_PRINTER_AND_DESTRUCTOR($[1], $[2], $[3], $[4], [$1])
+])
+
+
+AT_CHECK_PRINTER_AND_DESTRUCTOR()
+
+# This test fails, but the test case is questionable.
+#AT_CHECK_PRINTER_AND_DESTRUCTOR([%glr-parser])