])[
}
-]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_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))
[%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 = (Rhs)[1].location.first; \
+ (Current).last = (Rhs)[N].location.last; \
+ } \
+ else \
+ { \
+ (Current).first = (Current).last = (Rhs)[0].location.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;
}
]])