tests: calc: minor refactoring.

[bison.git] / tests / calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 52051ef71554411a41570a86e086d08103007487..1a3096e7c0d49df3af28e49d278e5fc9ecc9b0d2 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,7 +1,6 @@
 # Simple calculator.                         -*- Autotest -*-
 
 # Simple calculator.                         -*- Autotest -*-
 

-# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
-# 2009 Free Software Foundation, Inc.
+# Copyright (C) 2000-2010 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


@@ -56,11 +55,11 @@ get_char (]AT_LEX_FORMALS[)
   last_yylloc = AT_LOC;
   if (res == '\n')
     {
   last_yylloc = AT_LOC;
   if (res == '\n')
     {

-      AT_LOC.last_line++;
-      AT_LOC.last_column = 1;
+      AT_LOC_LAST_LINE++;
+      AT_LOC_LAST_COLUMN = 1;

     }
   else
     }
   else

-    AT_LOC.last_column++;
+    AT_LOC_LAST_COLUMN++;

 ])[
   return res;
 }
 ])[
   return res;
 }


@@ -118,24 +117,20 @@ int
     {
       init = 0;
 ]AT_LOCATION_IF([
     {
       init = 0;
 ]AT_LOCATION_IF([

-      AT_LOC.last_column = 1;
-      AT_LOC.last_line = 1;
+      AT_LOC_LAST_COLUMN = 1;
+      AT_LOC_LAST_LINE = 1;

 ])[
     }
 
 ])[
     }
 

-]AT_LOCATION_IF([
- AT_LOC.first_column = AT_LOC.last_column;
-  AT_LOC.first_line   = AT_LOC.last_line;
-])[
-
-  /* Skip white space.  */
-  while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t')
+  /* Skip current token, then white spaces.  */
+  do

     {
 ]AT_LOCATION_IF(
     {
 ]AT_LOCATION_IF(

-[     AT_LOC.first_column = AT_LOC.last_column;
-      AT_LOC.first_line   = AT_LOC.last_line;
+[     AT_LOC_FIRST_COLUMN = AT_LOC_LAST_COLUMN;
+      AT_LOC_FIRST_LINE   = AT_LOC_LAST_LINE;

 ])[
     }
 ])[
     }

+  while ((c = get_char (]AT_LEX_ARGS[)) == ' ' || c == '\t');

 
   /* process numbers   */
   if (c == '.' || isdigit (c))
 
   /* process numbers   */
   if (c == '.' || isdigit (c))


@@ -159,9 +154,24 @@ AT_DATA_GRAMMAR([calc.y],
 ]$4
 AT_SKEL_CC_IF(
 [%define global_tokens_and_yystype])[
 ]$4
 AT_SKEL_CC_IF(
 [%define global_tokens_and_yystype])[

-%code requires {
-/* Exercise pre-prologue dependency to %union.  */
-typedef int semantic_value;
+%code requires
+{
+]AT_LOCATION_TYPE_IF([
+# include <iostream>
+  struct Point
+  {
+    int l;
+    int c;
+  };
+
+  struct Span
+  {
+    Point begin;
+    Point end;
+  };
+])[
+  /* Exercise pre-prologue dependency to %union.  */
+  typedef int semantic_value;

 }
 
 /* Exercise %union. */
 }
 
 /* Exercise %union. */


@@ -170,20 +180,19 @@ typedef int semantic_value;
   semantic_value ival;
 };
 
   semantic_value ival;
 };
 

-%code provides {
+%code provides
+{

 #include <stdio.h>
 /* The input.  */
 extern FILE *input;]AT_SKEL_CC_IF([[
 #ifndef YYLTYPE
 #include <stdio.h>
 /* The input.  */
 extern FILE *input;]AT_SKEL_CC_IF([[
 #ifndef YYLTYPE

-# define YYLTYPE ]AT_NAME_PREFIX[::location
+# define YYLTYPE ]AT_NAME_PREFIX[::parser::location_type

 #endif
 #endif

-#define first_line   begin.line
-#define first_column begin.column
-#define last_line    end.line
-#define last_column  end.column]])[
+]])[

 }
 
 }
 

-%code {
+%code
+{

 #include <stdlib.h>
 #include <string.h>
 #if HAVE_UNISTD_H
 #include <stdlib.h>
 #include <string.h>
 #if HAVE_UNISTD_H


@@ -209,7 +218,7 @@ static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
 int yylex (]AT_LEX_FORMALS[);
 }
 
 int yylex (]AT_LEX_FORMALS[);
 }
 

-]AT_SKEL_CC_IF([AT_LOCATION_IF([
+]AT_SKEL_CC_IF([AT_LOCATION_IF([AT_LOCATION_TYPE_IF([], [

 /* The lalr1.cc skeleton, for backward compatibility, defines
    a constructor for position that initializes the filename.  The
    glr.cc skeleton does not (and in fact cannot: location/position
 /* The lalr1.cc skeleton, for backward compatibility, defines
    a constructor for position that initializes the filename.  The
    glr.cc skeleton does not (and in fact cannot: location/position


@@ -218,7 +227,7 @@ int yylex (]AT_LEX_FORMALS[);
 %initial-action {
   @$.initialize (0);
 }
 %initial-action {
   @$.initialize (0);
 }

-])])[
+])])])[

 
 /* Bison Declarations */
 %token CALC_EOF 0 "end of input"
 
 /* Bison Declarations */
 %token CALC_EOF 0 "end of input"


@@ -265,13 +274,27 @@ exp:
 %%
 
 ]AT_SKEL_CC_IF(
 %%
 
 ]AT_SKEL_CC_IF(

-[/* A C++ error reporting function.  */
+[AT_LOCATION_TYPE_IF([[
+  std::ostream&
+  operator<< (std::ostream& o, const Span& s)
+  {
+    o << s.begin.l << '.' << s.begin.c;
+    if (s.begin.l != s.end.l)
+      o << '-' << s.end.l << '.' << s.end.c - 1;
+    else if (s.begin.c != s.end.c - 1)
+      o << '-' << s.end.c - 1;
+    return o;
+  }
+]])
+
+/* A C++ error reporting function.  */

 void
 void

-AT_NAME_PREFIX::parser::error (AT_LOCATION_IF([const location& l, ])const std::string& m)
+AT_NAME_PREFIX::parser::error (AT_LOCATION_IF([const location_type& l, ])const std::string& m)

 {
   std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
 }
 
 {
   std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl;
 }
 

+/* A C++ yyparse that simulates the C signature.  */

 int
 yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
 {
 int
 yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
 {


@@ -282,7 +305,8 @@ yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
   return parser.parse ();
 }
 ],
   return parser.parse ();
 }
 ],

-[static void
+[/* A C error reporting function.  */
+static void

 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
          AT_PARAM_IF([semantic_value *result, int *count, ])
          const char *s)
 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
          AT_PARAM_IF([semantic_value *result, int *count, ])
          const char *s)


@@ -290,13 +314,13 @@ yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ])
 AT_PARAM_IF([(void) result; (void) count;])
 AT_YYERROR_SEES_LOC_IF([
   fprintf (stderr, "%d.%d",
 AT_PARAM_IF([(void) result; (void) count;])
 AT_YYERROR_SEES_LOC_IF([
   fprintf (stderr, "%d.%d",

-           AT_LOC.first_line, AT_LOC.first_column);
-  if (AT_LOC.first_line != AT_LOC.last_line)
+           AT_LOC_FIRST_LINE, AT_LOC_FIRST_COLUMN);
+  if (AT_LOC_FIRST_LINE != AT_LOC_LAST_LINE)

     fprintf (stderr, "-%d.%d",
     fprintf (stderr, "-%d.%d",

-            AT_LOC.last_line,  AT_LOC.last_column - 1);
-  else if (AT_LOC.first_column != AT_LOC.last_column - 1)
+            AT_LOC_LAST_LINE,  AT_LOC_LAST_COLUMN - 1);
+  else if (AT_LOC_FIRST_COLUMN != AT_LOC_LAST_COLUMN - 1)

     fprintf (stderr, "-%d",
     fprintf (stderr, "-%d",

-            AT_LOC.last_column - 1);
+            AT_LOC_LAST_COLUMN - 1);

   fprintf (stderr, ": ");])
   fprintf (stderr, "%s\n", s);
 }])[
   fprintf (stderr, ": ");])
   fprintf (stderr, "%s\n", s);
 }])[


@@ -315,6 +339,7 @@ power (int base, int exponent)
 }
 
 
 }
 
 

+/* A C main function.  */

 int
 main (int argc, const char **argv)
 {
 int
 main (int argc, const char **argv)
 {


@@ -341,7 +366,8 @@ main (int argc, const char **argv)
 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
 [  yydebug = 1;])])[
   status = yyparse (]AT_PARAM_IF([[&result, &count]])[);
 ]AT_SKEL_CC_IF([], [m4_bmatch([$4], [%debug],
 [  yydebug = 1;])])[
   status = yyparse (]AT_PARAM_IF([[&result, &count]])[);

-  fclose (input);
+  if (fclose (input))
+    perror ("fclose");

   if (global_result != result)
     abort ();
   if (global_count != count)
   if (global_result != result)
     abort ();
   if (global_count != count)


@@ -569,6 +595,7 @@ AT_CHECK_CALC_LALR()
 
 AT_CHECK_CALC_LALR([%defines])
 AT_CHECK_CALC_LALR([%locations])
 
 AT_CHECK_CALC_LALR([%defines])
 AT_CHECK_CALC_LALR([%locations])

+

 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
 AT_CHECK_CALC_LALR([%verbose])
 AT_CHECK_CALC_LALR([%yacc])
 AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
 AT_CHECK_CALC_LALR([%verbose])
 AT_CHECK_CALC_LALR([%yacc])


@@ -645,6 +672,7 @@ m4_define([AT_CHECK_CALC_LALR1_CC],
 
 AT_CHECK_CALC_LALR1_CC([])
 AT_CHECK_CALC_LALR1_CC([%locations])
 
 AT_CHECK_CALC_LALR1_CC([])
 AT_CHECK_CALC_LALR1_CC([%locations])

+AT_CHECK_CALC_LALR1_CC([%locations %define location_type Span])

 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %name-prefix "calc" %verbose %yacc])
 
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %name-prefix "calc" %verbose %yacc])
 
 AT_CHECK_CALC_LALR1_CC([%locations %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])