# Simple calculator. -*- Autotest -*-
-# Copyright (C) 2000-2010 Free Software Foundation, Inc.
+# Copyright (C) 2000-2011 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
[%define global_tokens_and_yystype])[
%code requires
{
-]AT_LOCATION_TYPE_IF([
+]AT_LOCATION_TYPE_IF([[
# include <iostream>
struct Point
{
struct Span
{
- Point begin;
- Point end;
+ Point first;
+ Point last;
};
-])[
+
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
+ if (N) \
+ { \
+ (Current).first = YYRHSLOC (Rhs, 1).first; \
+ (Current).last = YYRHSLOC (Rhs, N).last; \
+ } \
+ else \
+ { \
+ (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last; \
+ } \
+ while (false)
+
+]])[
/* Exercise pre-prologue dependency to %union. */
typedef int semantic_value;
}
static semantic_value global_result = 0;
static int global_count = 0;
static int power (int base, int exponent);
+
]AT_SKEL_CC_IF(,
[/* yyerror receives the location if:
- %location & %pure & %glr
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;
+ o << s.first.l << '.' << s.first.c;
+ if (s.first.l != s.last.l)
+ o << '-' << s.last.l << '.' << s.last.c - 1;
+ else if (s.first.c != s.last.c - 1)
+ o << '-' << s.last.c - 1;
return o;
}
]])
[AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
AT_CHECK_CALC_GLR_CC([])
+AT_CHECK_CALC_GLR_CC([%define location_type Span])
AT_CHECK_CALC_GLR_CC([%define parse.error verbose %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR_CC([%debug])