| 1 | /* global.h: The global variables for bc. */
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| 2 |
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| 3 | /* This file is part of bc written for MINIX.
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| 4 | Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2 of the License , or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program; see the file COPYING. If not, write to
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| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 |
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| 20 | You may contact the author by:
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| 21 | e-mail: phil@cs.wwu.edu
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| 22 | us-mail: Philip A. Nelson
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| 23 | Computer Science Department, 9062
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| 24 | Western Washington University
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| 25 | Bellingham, WA 98226-9062
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| 26 |
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| 27 | *************************************************************************/
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| 28 |
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| 29 |
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| 30 | /* For the current "break level" and if statements. */
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| 31 | EXTERN int break_label;
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| 32 | EXTERN int if_label;
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| 33 | EXTERN int continue_label;
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| 34 |
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| 35 | /* Label numbers. */
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| 36 | EXTERN int next_label;
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| 37 |
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| 38 | /* Used for "code" generation. */
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| 39 | EXTERN char genstr[80];
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| 40 | EXTERN int out_count;
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| 41 | EXTERN char did_gen;
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| 42 |
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| 43 | /* Interactive and other flags. */
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| 44 | EXTERN char interactive;
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| 45 | EXTERN char compile_only;
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| 46 | EXTERN char use_math;
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| 47 | EXTERN char warn_not_std;
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| 48 | EXTERN char std_only;
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| 49 |
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| 50 | /* global variables for the bc machine. All will be dynamic in size.*/
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| 51 | /* Function storage. main is (0) and functions (1-f_count) */
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| 52 |
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| 53 | EXTERN bc_function *functions;
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| 54 | EXTERN char **f_names;
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| 55 | EXTERN int f_count;
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| 56 |
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| 57 | /* Variable stoarge and reverse names. */
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| 58 |
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| 59 | EXTERN bc_var **variables;
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| 60 | EXTERN char **v_names;
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| 61 | EXTERN int v_count;
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| 62 |
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| 63 | /* Array Variable storage and reverse names. */
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| 64 |
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| 65 | EXTERN bc_var_array **arrays;
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| 66 | EXTERN char **a_names;
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| 67 | EXTERN int a_count;
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| 68 |
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| 69 | /* Execution stack. */
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| 70 | EXTERN estack_rec *ex_stack;
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| 71 |
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| 72 | /* Function return stack. */
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| 73 | EXTERN fstack_rec *fn_stack;
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| 74 |
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| 75 | /* Other "storage". */
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| 76 | EXTERN int i_base;
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| 77 | EXTERN int o_base;
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| 78 | EXTERN int scale;
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| 79 | EXTERN char c_code;
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| 80 | EXTERN int out_col;
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| 81 | EXTERN char runtime_error;
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| 82 | EXTERN program_counter pc;
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| 83 |
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| 84 | /* Input Line numbers and other error information. */
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| 85 | EXTERN int line_no;
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| 86 | EXTERN int had_error;
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| 87 |
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| 88 | /* For larger identifiers, a tree, and how many "storage" locations
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| 89 | have been allocated. */
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| 90 |
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| 91 | EXTERN int next_array;
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| 92 | EXTERN int next_func;
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| 93 | EXTERN int next_var;
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| 94 |
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| 95 | EXTERN id_rec *name_tree;
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| 96 |
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| 97 | /* For error message production */
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| 98 | EXTERN char **g_argv;
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| 99 | EXTERN int g_argc;
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| 100 | EXTERN char is_std_in;
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| 101 |
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| 102 | /* defined in number.c */
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| 103 | extern bc_num _zero_;
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| 104 | extern bc_num _one_;
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| 105 |
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| 106 | /* For use with getopt. Do not declare them here.*/
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| 107 | extern int optind;
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| 108 |
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