X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/cf499cff31eabd04e37107484647bdd453137d1d..fe3cae17a1dd2afa1eb34239ba497252892b2090:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index 52051ef7..0e5d0ec6 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,7 +1,6 @@ # Simple calculator. -*- Autotest -*- -# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, -# 2009 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 @@ -56,11 +55,11 @@ get_char (]AT_LEX_FORMALS[) 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; } @@ -118,24 +117,20 @@ int { 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)) @@ -159,9 +154,38 @@ AT_DATA_GRAMMAR([calc.y], ]$4 AT_SKEL_CC_IF( [%define global_tokens_and_yystype])[ -%code requires { -/* Exercise pre-prologue dependency to %union. */ -typedef int semantic_value; +%code requires +{ +]AT_LOCATION_TYPE_IF([[ +# include + struct Point + { + int l; + int c; + }; + + struct Span + { + Point first; + Point last; + }; + +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (N) \ + { \ + (Current).first = YYRHSLOC (Rhs, 1).first; \ + (Current).last = YYRHSLOC (Rhs, N).last; \ + } \ + else \ + { \ + (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last; \ + } \ + while (false) + +]])[ + /* Exercise pre-prologue dependency to %union. */ + typedef int semantic_value; } /* Exercise %union. */ @@ -170,20 +194,19 @@ typedef int semantic_value; semantic_value ival; }; -%code provides { +%code provides +{ #include /* The input. */ extern FILE *input;]AT_SKEL_CC_IF([[ #ifndef YYLTYPE -# define YYLTYPE ]AT_NAME_PREFIX[::location +# define YYLTYPE ]AT_NAME_PREFIX[::parser::location_type #endif -#define first_line begin.line -#define first_column begin.column -#define last_line end.line -#define last_column end.column]])[ +]])[ } -%code { +%code +{ #include #include #if HAVE_UNISTD_H @@ -198,6 +221,7 @@ FILE *input; static semantic_value global_result = 0; static int global_count = 0; static int power (int base, int exponent); + ]AT_SKEL_CC_IF(, [/* yyerror receives the location if: - %location & %pure & %glr @@ -209,7 +233,7 @@ static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) int yylex (]AT_LEX_FORMALS[); } -]AT_SKEL_CC_IF([AT_LOCATION_IF([ +]AT_SKEL_CC_IF([AT_LOCATION_IF([AT_LOCATION_TYPE_IF([], [ /* The lalr1.cc skeleton, for backward compatibility, defines a constructor for position that initializes the filename. The glr.cc skeleton does not (and in fact cannot: location/position @@ -218,7 +242,7 @@ int yylex (]AT_LEX_FORMALS[); %initial-action { @$.initialize (0); } -])])[ +])])])[ /* Bison Declarations */ %token CALC_EOF 0 "end of input" @@ -265,13 +289,27 @@ exp: %% ]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])) { @@ -282,7 +320,8 @@ 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) @@ -290,13 +329,13 @@ 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_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); }])[ @@ -315,6 +354,7 @@ power (int base, int exponent) } +/* A C main function. */ int main (int argc, const char **argv) { @@ -341,7 +381,8 @@ 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) @@ -569,6 +610,7 @@ AT_CHECK_CALC_LALR() 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]) @@ -645,6 +687,7 @@ m4_define([AT_CHECK_CALC_LALR1_CC], 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]) @@ -673,6 +716,7 @@ m4_define([AT_CHECK_CALC_GLR_CC], [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])