minix: commands/bc/global.h Source File

00001 /* global.h:  The global variables for bc.  */
00002 
00003 /*  This file is part of bc written for MINIX.
00004     Copyright (C) 1991, 1992 Free Software Foundation, Inc.
00005 
00006     This program is free software; you can redistribute it and/or modify
00007     it under the terms of the GNU General Public License as published by
00008     the Free Software Foundation; either version 2 of the License , or
00009     (at your option) any later version.
00010 
00011     This program is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014     GNU General Public License for more details.
00015 
00016     You should have received a copy of the GNU General Public License
00017     along with this program; see the file COPYING.  If not, write to
00018     the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
00019 
00020     You may contact the author by:
00021        e-mail:  phil@cs.wwu.edu
00022       us-mail:  Philip A. Nelson
00023                 Computer Science Department, 9062
00024                 Western Washington University
00025                 Bellingham, WA 98226-9062
00026        
00027 *************************************************************************/
00028 
00029 
00030 /* For the current "break level" and if statements. */
00031 EXTERN int break_label;
00032 EXTERN int if_label;
00033 EXTERN int continue_label;
00034 
00035 /* Label numbers. */
00036 EXTERN int next_label;
00037 
00038 /* Used for "code" generation. */
00039 EXTERN char genstr[80];
00040 EXTERN int out_count;
00041 EXTERN char did_gen;
00042 
00043 /* Interactive and other flags. */
00044 EXTERN char interactive;
00045 EXTERN char compile_only;
00046 EXTERN char use_math;
00047 EXTERN char warn_not_std;
00048 EXTERN char std_only;
00049 
00050 /* global variables for the bc machine. All will be dynamic in size.*/
00051 /* Function storage. main is (0) and functions (1-f_count) */
00052 
00053 EXTERN bc_function *functions;
00054 EXTERN char **f_names;
00055 EXTERN int  f_count;
00056 
00057 /* Variable stoarge and reverse names. */
00058 
00059 EXTERN bc_var **variables;
00060 EXTERN char **v_names;
00061 EXTERN int  v_count;
00062 
00063 /* Array Variable storage and reverse names. */
00064 
00065 EXTERN bc_var_array **arrays;
00066 EXTERN char **a_names;
00067 EXTERN int  a_count;
00068 
00069 /* Execution stack. */
00070 EXTERN estack_rec *ex_stack;
00071 
00072 /* Function return stack. */
00073 EXTERN fstack_rec *fn_stack;
00074 
00075 /* Other "storage". */
00076 EXTERN int i_base;
00077 EXTERN int o_base;
00078 EXTERN int scale;
00079 EXTERN char c_code;
00080 EXTERN int out_col;
00081 EXTERN char runtime_error;
00082 EXTERN program_counter pc;
00083 
00084 /* Input Line numbers and other error information. */
00085 EXTERN int line_no;
00086 EXTERN int had_error;
00087 
00088 /* For larger identifiers, a tree, and how many "storage" locations
00089    have been allocated. */
00090 
00091 EXTERN int next_array;
00092 EXTERN int next_func;
00093 EXTERN int next_var;
00094 
00095 EXTERN id_rec *name_tree;
00096 
00097 /* For error message production */
00098 EXTERN char **g_argv;
00099 EXTERN int    g_argc;
00100 EXTERN char   is_std_in;
00101 
00102 /* defined in number.c */
00103 extern bc_num _zero_;
00104 extern bc_num _one_;
00105 
00106 /* For use with getopt.  Do not declare them here.*/
00107 extern int optind;
00108