# Simple calculator. -*- Autotest -*-
-# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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
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
- AT_LOC.last_column++;
+ AT_LOC_LAST_COLUMN++;
])[
return res;
}
{
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_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))
{
unget_char (]AT_LEX_PRE_ARGS[ c);
]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[);
- return NUM;
+ return ]AT_TOKEN_PREFIX[NUM;
}
/* Return end-of-file. */
if (c == EOF)
- return CALC_EOF;
+ return ]AT_TOKEN_PREFIX[CALC_EOF;
/* Return single chars. */
return c;
]$4
AT_SKEL_CC_IF(
[%define global_tokens_and_yystype])[
-%code requires {
-/* Exercise pre-prologue dependency to %union. */
-typedef int semantic_value;
+%code requires
+{
+]AT_LOCATION_TYPE_IF([[
+# include <iostream>
+ struct Point
+ {
+ int l;
+ int c;
+ };
+
+ struct Span
+ {
+ Point first;
+ Point last;
+ };
+
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+do { \
+ if (N) \
+ { \
+ (Current).first = (Rhs)[1].location.first; \
+ (Current).last = (Rhs)[N].location.last; \
+ } \
+ else \
+ { \
+ (Current).first = (Current).last = (Rhs)[0].location.last; \
+ } \
+} while (false)
+
+]])[
+ /* Exercise pre-prologue dependency to %union. */
+ typedef int semantic_value;
}
/* Exercise %union. */
semantic_value ival;
};
-%code provides {
+%code provides
+{
#include <stdio.h>
/* The input. */
extern FILE *input;]AT_SKEL_CC_IF([[
#ifndef YYLTYPE
-# define YYLTYPE ]AT_NAME_PREFIX[::location
+# define YYLTYPE ]AT_NAME_PREFIX[::parser::location_type
#endif
-#define first_line begin.line
-#define first_column begin.column
-#define last_line end.line
-#define last_column end.column]])[
+]])[
}
-%code {
+%code
+{
#include <stdlib.h>
#include <string.h>
#if HAVE_UNISTD_H
static semantic_value global_result = 0;
static int global_count = 0;
static int power (int base, int exponent);
+
]AT_SKEL_CC_IF(,
[/* yyerror receives the location if:
- %location & %pure & %glr
int yylex (]AT_LEX_FORMALS[);
}
-]AT_SKEL_CC_IF([AT_LOCATION_IF([
+]AT_SKEL_CC_IF([AT_LOCATION_IF([AT_LOCATION_TYPE_IF([], [
/* The lalr1.cc skeleton, for backward compatibility, defines
a constructor for position that initializes the filename. The
glr.cc skeleton does not (and in fact cannot: location/position
%initial-action {
@$.initialize (0);
}
-])])[
+])])])[
/* Bison Declarations */
%token CALC_EOF 0 "end of input"
%%
]AT_SKEL_CC_IF(
-[/* A C++ error reporting function. */
+[AT_LOCATION_TYPE_IF([[
+ std::ostream&
+ operator<< (std::ostream& o, const Span& s)
+ {
+ 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;
+ }
+]])
+
+/* A C++ error reporting function. */
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;
}
+/* A C++ yyparse that simulates the C signature. */
int
yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
{
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)
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",
- 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",
- AT_LOC.last_column - 1);
+ AT_LOC_LAST_COLUMN - 1);
fprintf (stderr, ": ");])
fprintf (stderr, "%s\n", s);
}])[
}
+/* A C main function. */
int
main (int argc, const char **argv)
{
]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 BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
# is correctly output on stderr.
#
-# If BISON-OPTIONS contains `%error-verbose', then make sure the
+# If BISON-OPTIONS contains `%define parse.error verbose', then make sure the
# IF-YYERROR-VERBOSE message is properly output after `syntax error, '
# on STDERR.
#
[[sed 's/^[-0-9.]*: //' expout >at-expout
mv at-expout expout]])
# 4. If error-verbose is not used, strip the`, unexpected....' part.
-m4_bmatch([$1], [%error-verbose], [],
+m4_bmatch([$1], [%define parse.error verbose], [],
[[sed 's/syntax error, .*$/syntax error/' expout >at-expout
mv at-expout expout]])
# 5. Check
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([%error-verbose])
+AT_CHECK_CALC_LALR([%define parse.error verbose])
AT_CHECK_CALC_LALR([%define api.pure %locations])
-AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %locations])
-AT_CHECK_CALC_LALR([%error-verbose %locations])
+AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %locations])
+AT_CHECK_CALC_LALR([%define parse.error verbose %locations])
-AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%define parse.error verbose %locations %defines %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
AT_CHECK_CALC_LALR([%debug])
-AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR([%define api.push-pull both %define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_LALR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
+AT_CHECK_CALC_LALR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
# ----------------------- #
AT_CHECK_CALC_GLR([%name-prefix "calc"])
AT_CHECK_CALC_GLR([%verbose])
AT_CHECK_CALC_GLR([%yacc])
-AT_CHECK_CALC_GLR([%error-verbose])
+AT_CHECK_CALC_GLR([%define parse.error verbose])
AT_CHECK_CALC_GLR([%define api.pure %locations])
-AT_CHECK_CALC_GLR([%error-verbose %locations])
+AT_CHECK_CALC_GLR([%define parse.error verbose %locations])
-AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%define parse.error verbose %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR([%debug])
-AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%define parse.error verbose %debug %locations %defines %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
-AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
+AT_CHECK_CALC_GLR([%define api.pure %define parse.error verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
# ----------------------------- #
AT_CHECK_CALC_LALR1_CC([])
AT_CHECK_CALC_LALR1_CC([%locations])
-AT_CHECK_CALC_LALR1_CC([%locations %error-verbose %name-prefix "calc" %verbose %yacc])
+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 %error-verbose %debug %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 %pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
-AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
+AT_CHECK_CALC_LALR1_CC([%locations %pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
[AT_CHECK_CALC([%language "C++" %glr-parser %defines %locations] $@)])
AT_CHECK_CALC_GLR_CC([])
-AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR_CC([%define parse.error verbose %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR_CC([%debug])
-AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR_CC([%define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
-AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc])
+AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %define api.tokens.prefix "TOK_" %verbose %yacc])
-AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
+AT_CHECK_CALC_GLR_CC([%pure-parser %define parse.error verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
projects / bison.git / blobdiff