X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/3e4a253ba9b9ee9ccb79e712846a41fb9221f757..56d60c19479822159e56960616cb3602e31f2a2c:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index 6735e85a..c5040083 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,6 +1,6 @@ # Simple calculator. -*- Autotest -*- -# Copyright (C) 2000-2010 Free Software Foundation, Inc. +# Copyright (C) 2000-2012 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 @@ -55,11 +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; } @@ -117,24 +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)) @@ -160,8 +156,36 @@ AT_SKEL_CC_IF( [%define global_tokens_and_yystype])[ %code requires { -/* Exercise pre-prologue dependency to %union. */ -typedef int semantic_value; +]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. */ @@ -176,16 +200,14 @@ typedef int semantic_value; /* 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 { +#include #include #include #if HAVE_UNISTD_H @@ -200,6 +222,7 @@ 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 @@ -211,16 +234,16 @@ static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) int yylex (]AT_LEX_FORMALS[); } -]AT_SKEL_CC_IF( -[/* The lalr1.cc skeleton, for backward compatibility, defines +]AT_SKEL_CC_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 are stored in a union, from which objects with constructors are excluded in C++. */ %initial-action { - @$.initialize (0); + @$.initialize (); } -])[ +])])[ /* Bison Declarations */ %token CALC_EOF 0 "end of input" @@ -267,9 +290,22 @@ 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 (const location& l, const std::string& m) +AT_NAME_PREFIX::parser::error (const location_type& l, const std::string& m) { (void) l; std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl; @@ -295,13 +331,13 @@ 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); }])[ @@ -312,8 +348,7 @@ static int power (int base, int exponent) { int res = 1; - if (exponent < 0) - exit (3); + assert (0 <= exponent); for (/* Niente */; exponent; --exponent) res *= base; return res; @@ -347,7 +382,8 @@ 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) @@ -575,6 +611,7 @@ 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]) @@ -648,8 +685,8 @@ m4_define([AT_CHECK_CALC_LALR1_CC], [AT_CHECK_CALC([%language "C++" %defines %locations] $@)]) AT_CHECK_CALC_LALR1_CC([]) +AT_CHECK_CALC_LALR1_CC([%define location_type Span]) AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc]) - AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc]) AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc]) @@ -675,6 +712,7 @@ 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([%error-verbose %name-prefix "calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%debug])