X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/7ca2266adce5b0619068765b08e8ec5ca4673c1f..dc450175c0cfc153b228ad503eefe65a039b46c0:/tests/calc.at diff --git a/tests/calc.at b/tests/calc.at index 8adf9e76..afbb251a 100644 --- a/tests/calc.at +++ b/tests/calc.at @@ -1,7 +1,7 @@ # Simple calculator. -*- Autotest -*- -# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software -# Foundation, Inc. +# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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 @@ -28,21 +28,162 @@ # _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES]) # ----------------------------------------------- -# Produce `calc.y'. Don't call this macro directly, because it contains -# some occurrences of `$1' etc. which will be interpreted by m4. So -# you should call it with $1, $2, and $3 as arguments, which is what -# AT_DATA_CALC_Y does. +# Produce `calc.y' and, if %defines was specified, `calc-lex.c' or +# `calc-lex.cc'. +# +# Don't call this macro directly, because it contains some occurrences +# of `$1' etc. which will be interpreted by m4. So you should call it +# with $1, $2, and $3 as arguments, which is what AT_DATA_CALC_Y does. m4_define([_AT_DATA_CALC_Y], [m4_if([$1$2$3], $[1]$[2]$[3], [], [m4_fatal([$0: Invalid arguments: $@])])dnl +m4_pushdef([AT_CALC_LEX], +[[#include + +int ]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[); +static int get_char (]AT_LEX_FORMALS[); +static void unget_char (]AT_LEX_PRE_FORMALS[ int c); + +]AT_LOCATION_IF([ +static YYLTYPE last_yylloc; +])[ +static int +get_char (]AT_LEX_FORMALS[) +{ + int res = getc (input); + ]AT_USE_LEX_ARGS[; +]AT_LOCATION_IF([ + last_yylloc = AT_LOC; + if (res == '\n') + { + AT_LOC.last_line++; + AT_LOC.last_column = 1; + } + else + AT_LOC.last_column++; +])[ + return res; +} + +static void +unget_char (]AT_LEX_PRE_FORMALS[ int c) +{ + ]AT_USE_LEX_ARGS[; +]AT_LOCATION_IF([ + /* Wrong when C == `\n'. */ + AT_LOC = last_yylloc; +])[ + ungetc (c, input); +} + +static int +read_signed_integer (]AT_LEX_FORMALS[) +{ + int c = get_char (]AT_LEX_ARGS[); + int sign = 1; + int n = 0; + + ]AT_USE_LEX_ARGS[; + if (c == '-') + { + c = get_char (]AT_LEX_ARGS[); + sign = -1; + } + + while (isdigit (c)) + { + n = 10 * n + (c - '0'); + c = get_char (]AT_LEX_ARGS[); + } + + unget_char (]AT_LEX_PRE_ARGS[ c); + + return sign * n; +} + + +/*---------------------------------------------------------------. +| Lexical analyzer returns an integer on the stack and the token | +| NUM, or the ASCII character read if not a number. Skips all | +| blanks and tabs, returns 0 for EOF. | +`---------------------------------------------------------------*/ + +int +]AT_NAME_PREFIX[lex (]AT_LEX_FORMALS[) +{ + static int init = 1; + int c; + + if (init) + { + init = 0; +]AT_LOCATION_IF([ + 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') + { +]AT_LOCATION_IF( +[ AT_LOC.first_column = AT_LOC.last_column; + AT_LOC.first_line = AT_LOC.last_line; +])[ + } + + /* process numbers */ + if (c == '.' || isdigit (c)) + { + unget_char (]AT_LEX_PRE_ARGS[ c); + ]AT_VAL[.ival = read_signed_integer (]AT_LEX_ARGS[); + return ]AT_TOKEN_PREFIX[NUM; + } + + /* Return end-of-file. */ + if (c == EOF) + return ]AT_TOKEN_PREFIX[CALC_EOF; + + /* Return single chars. */ + return c; +} +]]) + AT_DATA_GRAMMAR([calc.y], [[/* Infix notation calculator--calc */ ]$4 AT_SKEL_CC_IF( [%define global_tokens_and_yystype])[ -%{ +%code requires { +/* Exercise pre-prologue dependency to %union. */ +typedef int semantic_value; +} + +/* Exercise %union. */ +%union +{ + semantic_value ival; +}; + +%code provides { #include +/* The input. */ +extern FILE *input;]AT_SKEL_CC_IF([[ +#ifndef YYLTYPE +# define YYLTYPE ]AT_NAME_PREFIX[::location +#endif +#define first_line begin.line +#define first_column begin.column +#define last_line end.line +#define last_column end.column]])[ +} +%code { #include #include #if HAVE_UNISTD_H @@ -51,33 +192,13 @@ AT_SKEL_CC_IF( # undef alarm # define alarm(seconds) /* empty */ #endif -#include #define USE(Var) -/* Exercise pre-prologue dependency to %union. */ -typedef int semantic_value; - +FILE *input; static semantic_value global_result = 0; static int global_count = 0; -%} - -/* Exercise %union. */ -%union -{ - semantic_value ival; -}; - -%{ static int power (int base, int exponent); -]AT_SKEL_CC_IF( -[#ifndef YYLTYPE -[#] define YYLTYPE AT_NAME_PREFIX::location -#endif -#define first_line begin.line -#define first_column begin.column -#define last_line end.line -#define last_column end.column -], +]AT_SKEL_CC_IF(, [/* yyerror receives the location if: - %location & %pure & %glr - %location & %pure & %yacc & %parse-param. */ @@ -85,21 +206,19 @@ static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *llocp, ]) AT_PARAM_IF([semantic_value *result, int *count, ]) const char *s );])[ -static int yylex (]AT_LEX_FORMALS[); -static int get_char (]AT_LEX_FORMALS[); -static void unget_char (]AT_LEX_PRE_FORMALS[ int c); -%} +int yylex (]AT_LEX_FORMALS[); +} -]AT_SKEL_CC_IF( -[/* The lalr1.cc skeleton, for backward compatibility, defines +]AT_SKEL_CC_IF([AT_LOCATION_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++. */ + excluded in C++). */ %initial-action { @$.initialize (0); } -])[ +])])[ /* Bison Declarations */ %token CALC_EOF 0 "end of input" @@ -144,15 +263,12 @@ exp: | '-' error { $$ = 0; YYERROR; } ; %% -/* The input. */ -static FILE *input; ]AT_SKEL_CC_IF( [/* A C++ error reporting function. */ void -AT_NAME_PREFIX::parser::error (const location& l, const std::string& m) +AT_NAME_PREFIX::parser::error (AT_LOCATION_IF([const location& l, ])const std::string& m) { - (void) l; std::cerr << AT_LOCATION_IF([l << ": " << ])m << std::endl; } @@ -185,117 +301,7 @@ AT_YYERROR_SEES_LOC_IF([ fprintf (stderr, "%s\n", s); }])[ - -]AT_LOCATION_IF([ -static YYLTYPE last_yylloc; -])[ -static int -get_char (]AT_LEX_FORMALS[) -{ - int res = getc (input); - ]AT_USE_LEX_ARGS[; -]AT_LOCATION_IF([ - last_yylloc = AT_LOC; - if (res == '\n') - { - AT_LOC.last_line++; - AT_LOC.last_column = 1; - } - else - AT_LOC.last_column++; -])[ - return res; -} - - -static void -unget_char (]AT_LEX_PRE_FORMALS[ int c) -{ - ]AT_USE_LEX_ARGS[; -]AT_LOCATION_IF([ - /* Wrong when C == `\n'. */ - AT_LOC = last_yylloc; -])[ - ungetc (c, input); -} - -static int -read_signed_integer (]AT_LEX_FORMALS[) -{ - int c = get_char (]AT_LEX_ARGS[); - int sign = 1; - int n = 0; - - ]AT_USE_LEX_ARGS[; - if (c == '-') - { - c = get_char (]AT_LEX_ARGS[); - sign = -1; - } - - while (isdigit (c)) - { - n = 10 * n + (c - '0'); - c = get_char (]AT_LEX_ARGS[); - } - - unget_char (]AT_LEX_PRE_ARGS[ c); - - return sign * n; -} - - - -/*---------------------------------------------------------------. -| Lexical analyzer returns an integer on the stack and the token | -| NUM, or the ASCII character read if not a number. Skips all | -| blanks and tabs, returns 0 for EOF. | -`---------------------------------------------------------------*/ - -static int -yylex (]AT_LEX_FORMALS[) -{ - static int init = 1; - int c; - - if (init) - { - init = 0; -]AT_LOCATION_IF([ - 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') - { -]AT_LOCATION_IF( -[ AT_LOC.first_column = AT_LOC.last_column; - AT_LOC.first_line = AT_LOC.last_line; -])[ - } - - /* 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 end-of-file. */ - if (c == EOF) - return CALC_EOF; - - /* Return single chars. */ - return c; -} +]AT_DEFINES_IF(, [AT_CALC_LEX])[ static int power (int base, int exponent) @@ -343,12 +349,18 @@ main (int argc, const char **argv) return status; } ]]) +AT_DEFINES_IF([AT_DATA_SOURCE([[calc-lex.c]AT_SKEL_CC_IF([[c]])], +[[#include "calc.h]AT_SKEL_CC_IF([[h]])[" + +]AT_CALC_LEX])]) +m4_popdef([AT_CALC_LEX]) ])# _AT_DATA_CALC_Y # AT_DATA_CALC_Y([BISON-OPTIONS]) # ------------------------------- -# Produce `calc.y'. +# Produce `calc.y' and, if %defines was specified, `calc-lex.c' or +# `calc-lex.cc'. m4_define([AT_DATA_CALC_Y], [_AT_DATA_CALC_Y($[1], $[2], $[3], [$1]) ]) @@ -453,7 +465,7 @@ m4_ifval([$2], [AT_CHECK([exit 77])]) AT_BISON_OPTION_PUSHDEFS([$1]) AT_DATA_CALC_Y([$1]) -AT_FULL_COMPILE([calc]) +AT_FULL_COMPILE([calc], [AT_DEFINES_IF([[lex]])]) # Test the priorities. _AT_CHECK_CALC([$1], @@ -567,6 +579,7 @@ AT_CHECK_CALC_LALR([%define api.push_pull "both" %define api.pure %locations]) AT_CHECK_CALC_LALR([%error-verbose %locations]) AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %define token.prefix "TOK_" %verbose %yacc]) AT_CHECK_CALC_LALR([%debug]) AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) @@ -607,6 +620,7 @@ AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbo AT_CHECK_CALC_GLR([%debug]) AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %define token.prefix "TOK_" %verbose %yacc]) AT_CHECK_CALC_GLR([%define api.pure %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc]) @@ -627,16 +641,18 @@ AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations]) # Start a testing chunk which compiles `calc' grammar with # the C++ skeleton, and performs several tests over the parser. m4_define([AT_CHECK_CALC_LALR1_CC], -[AT_CHECK_CALC([%language "C++" %defines %locations] $@)]) +[AT_CHECK_CALC([%language "C++" %defines] $@)]) AT_CHECK_CALC_LALR1_CC([]) -AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc]) +AT_CHECK_CALC_LALR1_CC([%locations]) +AT_CHECK_CALC_LALR1_CC([%locations %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([%locations %error-verbose %debug %name-prefix "calc" %verbose %yacc]) -AT_CHECK_CALC_LALR1_CC([%pure-parser %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 %error-verbose %debug %name-prefix "calc" %define token.prefix "TOK_" %verbose %yacc]) -AT_CHECK_CALC_LALR1_CC([%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 %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) @@ -663,5 +679,6 @@ AT_CHECK_CALC_GLR_CC([%debug]) AT_CHECK_CALC_GLR_CC([%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 %error-verbose %debug %name-prefix "calc" %define token.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}])