[e08f69] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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[2c630c] | 4 | /* $Id: emacs.cc,v 1.26 2004-07-12 15:01:19 Singular Exp $ */ |
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[e08f69] | 5 | /* |
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| 6 | * ABSTRACT: Esingular main file |
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| 7 | */ |
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| 8 | |
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| 9 | #include <stdio.h> |
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| 10 | #include <unistd.h> |
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[eba506] | 11 | #ifdef DecAlpha_OSF1 |
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| 12 | #define _BSD |
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| 13 | #endif |
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[e08f69] | 14 | #include <stdlib.h> |
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[8562bf] | 15 | #include <stdarg.h> |
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[05db082] | 16 | #include <string.h> |
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| 17 | |
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[db8559] | 18 | #ifdef ix86_Win |
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[8562bf] | 19 | #include <windows.h> |
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| 20 | #endif |
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[e08f69] | 21 | #include "mod2.h" |
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| 22 | #include "version.h" |
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[c232af] | 23 | #include <omalloc.h> |
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[e08f69] | 24 | |
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[ef0124] | 25 | #if !defined(TSINGULAR) && !defined(ESINGULAR) |
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[e08f69] | 26 | #define ESINGULAR |
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[ef0124] | 27 | #endif |
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[e08f69] | 28 | |
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[dc0898] | 29 | #ifdef system |
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| 30 | #undef system |
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| 31 | #endif |
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| 32 | |
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[e08f69] | 33 | #ifndef BOOLEAN |
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| 34 | #define BOOLEAN int |
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| 35 | #endif |
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| 36 | #ifndef FALSE |
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| 37 | #define FALSE 0 |
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| 38 | #endif |
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| 39 | #ifndef TRUE |
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| 40 | #define TRUE 1 |
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| 41 | #endif |
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| 42 | #ifndef MAXPATHLEN |
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| 43 | #define MAXPATHLEN 1024 |
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| 44 | #endif |
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| 45 | # define DIR_SEP '/' |
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| 46 | # define DIR_SEPP "/" |
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| 47 | # define UP_DIR ".." |
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[ef0124] | 48 | |
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[db8559] | 49 | #ifndef ix86_Win |
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[ef0124] | 50 | void error(const char *fmt, ...) |
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| 51 | { |
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| 52 | va_list ap; |
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| 53 | va_start(ap, fmt); |
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[dd01bf0] | 54 | vfprintf(stderr, fmt, ap); |
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[ef0124] | 55 | } |
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| 56 | #else |
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| 57 | void error(char* fmt, ...) |
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| 58 | { |
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| 59 | char buf[4096]; |
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| 60 | int j =0; |
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| 61 | va_list args; |
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| 62 | va_start(args, fmt); |
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| 63 | j = sprintf(buf, ""); |
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| 64 | j += vsprintf(buf + j,fmt,args); |
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| 65 | j += sprintf(buf + j,"\n"); |
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| 66 | va_end(args); |
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| 67 | MessageBox(NULL, buf, "ESingular.exe", MB_ICONSTOP); |
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| 68 | exit(1); |
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| 69 | } |
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| 70 | #endif |
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| 71 | |
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| 72 | #define Warn error |
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| 73 | #define WarnS error |
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[e08f69] | 74 | #define StringAppend printf |
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[ef0124] | 75 | #define Print error |
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[e08f69] | 76 | |
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| 77 | #define feReportBug(s) fePrintReportBug(s, __FILE__, __LINE__) |
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| 78 | void fePrintReportBug(char* msg, char* file, int line) |
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| 79 | { |
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[4182c6] | 80 | error("YOU HAVE FOUND A BUG IN SINGULAR.\n" |
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| 81 | "Please, email the following output to singular@mathematik.uni-kl.de\n" |
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| 82 | "Bug occured at %s:%d\n" |
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| 83 | "Message: %s\n" |
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| 84 | "Version: " S_UNAME S_VERSION1 " (%lu) " __DATE__ __TIME__, |
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[ef0124] | 85 | file, line, msg, feVersionId); |
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| 86 | |
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[e08f69] | 87 | } |
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| 88 | |
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[2c630c] | 89 | #include "../kernel/feResource.cc" |
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[c06a32] | 90 | #include "feOpt.cc" |
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| 91 | |
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| 92 | void mainUsage() |
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| 93 | { |
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[ef0124] | 94 | error( "Use `%s --help' for a complete list of options\n", feArgv0); |
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[c06a32] | 95 | } |
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[e08f69] | 96 | |
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| 97 | int main(int argc, char** argv) |
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| 98 | { |
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| 99 | char* singular = NULL; |
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| 100 | char* emacs = NULL; |
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| 101 | char* emacs_dir = NULL; |
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| 102 | char* emacs_load = NULL; |
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| 103 | int no_emacs_call = 0; |
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[abcc453] | 104 | char cwd[MAXPATHLEN]; |
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[a3bc95e] | 105 | |
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[e08f69] | 106 | // parse-cmdline options |
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[a3bc95e] | 107 | |
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[e08f69] | 108 | feInitResources(argv[0]); |
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| 109 | feResource('S'); |
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| 110 | feResource('b'); |
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| 111 | feResource('r'); |
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[a3bc95e] | 112 | |
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[e08f69] | 113 | int optc, option_index; |
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[a3bc95e] | 114 | |
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| 115 | while ((optc = fe_getopt_long(argc, argv, SHORT_OPTS_STRING, |
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[9b4b45] | 116 | feOptSpec, &option_index)) |
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[e08f69] | 117 | != EOF) |
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| 118 | { |
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| 119 | switch(optc) |
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| 120 | { |
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| 121 | case 'h': |
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[c06a32] | 122 | feOptHelp(feArgv0); |
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[e08f69] | 123 | exit(0); |
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[a3bc95e] | 124 | |
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[e08f69] | 125 | case '?': |
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[7272c7] | 126 | case ':': |
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[c06a32] | 127 | case '\0': |
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| 128 | mainUsage(); |
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[e08f69] | 129 | exit(1); |
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| 130 | |
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| 131 | case LONG_OPTION_RETURN: |
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[c06a32] | 132 | { |
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| 133 | switch(option_index) |
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[7272c7] | 134 | { |
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[ef0124] | 135 | #ifdef TSINGULAR |
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| 136 | case FE_OPT_XTERM: |
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| 137 | emacs = fe_optarg; |
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| 138 | break; |
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[a3bc95e] | 139 | #else |
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[c06a32] | 140 | case FE_OPT_EMACS: |
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| 141 | emacs = fe_optarg; |
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| 142 | break; |
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[a3bc95e] | 143 | |
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[c06a32] | 144 | case FE_OPT_EMACS_DIR: |
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| 145 | emacs_dir = fe_optarg; |
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| 146 | break; |
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[a3bc95e] | 147 | |
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[c06a32] | 148 | case FE_OPT_EMACS_LOAD: |
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| 149 | emacs_load = fe_optarg; |
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| 150 | break; |
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[a3bc95e] | 151 | #endif |
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[c06a32] | 152 | case FE_OPT_SINGULAR: |
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| 153 | singular = fe_optarg; |
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| 154 | break; |
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| 155 | |
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[ef0124] | 156 | case FE_OPT_NO_CALL: |
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[c06a32] | 157 | no_emacs_call = 1; |
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| 158 | break; |
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[a3bc95e] | 159 | |
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[c06a32] | 160 | default: |
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| 161 | goto NEXT; |
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[7272c7] | 162 | } |
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| 163 | // delete options from option-list |
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[a3bc95e] | 164 | if (fe_optind > 2 && *argv[fe_optind-1] != '-' && |
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[c06a32] | 165 | fe_optarg != NULL && feOptSpec[option_index].has_arg) |
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[7272c7] | 166 | { |
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[c06a32] | 167 | argv[fe_optind-2] = NULL; |
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[7272c7] | 168 | } |
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[c06a32] | 169 | argv[fe_optind-1] = NULL; |
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| 170 | } |
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[e08f69] | 171 | } |
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[c06a32] | 172 | NEXT:{} |
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| 173 | } |
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[ef0124] | 174 | |
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| 175 | int i, length = 0; |
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| 176 | char* syscall; |
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| 177 | for (i=1; i<argc; i++) |
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| 178 | { |
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| 179 | if (argv[i] != NULL) length += strlen(argv[i]) + 3; |
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| 180 | } |
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| 181 | |
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| 182 | #ifdef TSINGULAR |
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| 183 | if (emacs == NULL) emacs = feResource('X', 0); |
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| 184 | if (emacs == NULL) |
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| 185 | { |
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[a3bc95e] | 186 | error( "Error: Can't find emacs xterm program. \n Expected it at %s or %s\n Specify alternative with --xterm=PROGRAM option,\n or set ESINGULAR_EMACS environment variable to the name of the program to use as xterm.\n", |
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[ef0124] | 187 | feResourceDefault('X')); |
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| 188 | mainUsage(); |
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| 189 | exit(1); |
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| 190 | } |
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[a3bc95e] | 191 | |
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[ef0124] | 192 | if (singular == NULL) singular = feResource("SingularXterm", 0); |
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| 193 | if (singular == NULL) |
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| 194 | { |
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[a3bc95e] | 195 | error( "Error: Can't find singular executable.\n Expected it at %s\n Specify with --singular option,\n or set TSINGULAR_SINGULAR environment variable.\n", |
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[ef0124] | 196 | feResourceDefault("SingularXterm")); |
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| 197 | mainUsage(); |
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| 198 | exit(1); |
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| 199 | } |
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| 200 | |
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[db8559] | 201 | #ifdef ix86_Win |
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[eba506] | 202 | #define EXTRA_XTERM_ARGS "+vb -sl 2000 -fb Courier-bold-12 -tn xterm -cr Red3" |
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[ef0124] | 203 | #else |
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| 204 | #define EXTRA_XTERM_ARGS "" |
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| 205 | #endif |
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| 206 | |
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[a3bc95e] | 207 | syscall = (char*) omAlloc(strlen(emacs) + |
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| 208 | strlen(singular) + |
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[ef0124] | 209 | length + 300); |
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| 210 | sprintf(syscall, "%s %s -e %s ", emacs, EXTRA_XTERM_ARGS, singular); |
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| 211 | |
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| 212 | for (i=1; i<argc; i++) |
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| 213 | { |
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| 214 | if (argv[i] != NULL) |
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| 215 | { |
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| 216 | strcat(syscall, " "); |
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| 217 | strcat(syscall, argv[i]); |
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| 218 | } |
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| 219 | } |
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[a3bc95e] | 220 | #else |
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[e08f69] | 221 | // make sure emacs, singular, emacs_dir, emacs_load are set |
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[a70441f] | 222 | if (emacs == NULL) emacs = feResource("xemacs", 0); |
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[dd01bf0] | 223 | if (emacs == NULL) emacs = feResource("emacs", 0); |
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[e08f69] | 224 | if (emacs == NULL) |
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| 225 | { |
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[a3bc95e] | 226 | error( "Error: Can't find emacs or xemacs executable. \n Expected it at %s or %s\n Specify alternative with --emacs option,\n or set ESINGULAR_EMACS environment variable.\n", |
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[ef0124] | 227 | feResourceDefault("emacs"), feResourceDefault("xemacs")); |
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[c06a32] | 228 | mainUsage(); |
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[e08f69] | 229 | exit(1); |
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| 230 | } |
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[a3bc95e] | 231 | |
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[e08f69] | 232 | if (singular == NULL) singular = feResource("SingularEmacs", 0); |
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| 233 | if (singular == NULL) |
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| 234 | { |
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[a3bc95e] | 235 | error( "Error: Can't find singular executable.\n Expected it at %s\n Specify with --singular option,\n or set ESINGULAR_SINGULAR environment variable.\n", |
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[e08f69] | 236 | feResourceDefault("SingularEmacs")); |
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[c06a32] | 237 | mainUsage(); |
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[e08f69] | 238 | exit(1); |
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| 239 | } |
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[a3bc95e] | 240 | |
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[e08f69] | 241 | if (emacs_dir == NULL) emacs_dir = feResource("EmacsDir", 0); |
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| 242 | if (emacs_dir == NULL) |
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| 243 | { |
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[a3bc95e] | 244 | error( "Error: Can't find emacs directory for Singular lisp files. \n Expected it at %s\n Specify with --emacs_dir option,\n or set ESINGULAR_EMACS_DIR environment variable.\n", |
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[e08f69] | 245 | feResourceDefault("EmacsDir")); |
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[c06a32] | 246 | mainUsage(); |
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[e08f69] | 247 | exit(1); |
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| 248 | } |
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| 249 | |
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[a3bc95e] | 250 | if (emacs_load == NULL) |
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[e08f69] | 251 | { |
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[abcc453] | 252 | // look into env variable |
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[9a9127] | 253 | emacs_load = getenv("ESINGULAR_EMACS_LOAD"); |
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[abcc453] | 254 | if (access(emacs_load, R_OK)) |
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| 255 | { |
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| 256 | // look in home-dir |
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| 257 | emacs_load = getenv("HOME"); |
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[50cbdc] | 258 | #ifdef ix86_Win |
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| 259 | if ((emacs_load==NULL)||(!access(emacs_load,X_OK))) |
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| 260 | emacs_load = getenv("SINGHOME"); |
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[db8559] | 261 | #endif |
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[abcc453] | 262 | sprintf(cwd, "%s/.emacs-singular", emacs_load); |
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| 263 | if (! access(cwd, R_OK)) |
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| 264 | { |
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[c232af] | 265 | emacs_load = omStrDup(cwd); |
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[abcc453] | 266 | } |
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| 267 | else |
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| 268 | { |
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[9a9127] | 269 | // try with resources |
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[abcc453] | 270 | emacs_load = feResource("EmacsLoad", 0); |
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| 271 | if (emacs_load == NULL) |
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| 272 | { |
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[a3bc95e] | 273 | error( "Error: Can't find emacs load file for Singular mode. \n Expected it at %s\n Specify with --emacs_load option,\n or set ESINGULAR_EMACS_LOAD environment variable,\n or put file '.emacs-singular' in your home directory.\n", |
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| 274 | feResourceDefault("EmacsLoad")); |
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[c06a32] | 275 | mainUsage(); |
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[abcc453] | 276 | exit(1); |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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[e08f69] | 280 | } |
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[a3bc95e] | 281 | |
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| 282 | syscall = (char*) omAlloc(strlen(emacs) + |
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| 283 | strlen(singular) + |
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| 284 | strlen(emacs_dir) + |
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[ef0124] | 285 | strlen(emacs_load) + |
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| 286 | length + 300); |
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[e08f69] | 287 | char* prefix = "--"; |
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| 288 | if (strstr(emacs, "xemacs") || strstr(emacs, "Xemacs") || strstr(emacs, "XEMACS")) |
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| 289 | prefix = "-"; |
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| 290 | getcwd(cwd, MAXPATHLEN); |
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[a70441f] | 291 | // append / at the end of cwd |
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| 292 | if (cwd[strlen(cwd)-1] != '/') strcat(cwd, "/"); |
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[a3bc95e] | 293 | |
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| 294 | // Note: option -no-init-file should be equivalent to -q. Anyhow, |
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[6e0c129] | 295 | // xemacs-20.4 sometimes crashed on startup when using -q. DonŽt know why. |
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[6a8094] | 296 | sprintf(syscall, "%s %sno-init-file %seval '(progn (setq singular-emacs-home-directory \"%s\") (load-file \"%s\") (singular-other \"%s\" \"%s\" (list ", |
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| 297 | emacs, prefix, prefix, emacs_dir, emacs_load, |
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[e08f69] | 298 | singular, cwd); |
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| 299 | |
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[ef0124] | 300 | |
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[e08f69] | 301 | for (i=1; i<argc; i++) |
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| 302 | { |
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[7272c7] | 303 | if (argv[i] != NULL) |
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[e08f69] | 304 | { |
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| 305 | strcat(syscall, "\""); |
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| 306 | strcat(syscall, argv[i]); |
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| 307 | strcat(syscall, "\" "); |
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| 308 | } |
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| 309 | } |
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[6a8094] | 310 | strcat(syscall, ") \"singular\"))'"); |
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[ef0124] | 311 | #endif |
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| 312 | |
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[eba506] | 313 | if (no_emacs_call) |
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| 314 | { |
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[e08f69] | 315 | printf("%s\n", syscall); |
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[eba506] | 316 | } |
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| 317 | else |
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[e08f69] | 318 | { |
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| 319 | if (system(syscall) != 0) |
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| 320 | { |
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[ef0124] | 321 | error( "Error: Execution of\n%s\n", syscall); |
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[c06a32] | 322 | mainUsage(); |
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[e08f69] | 323 | exit(1); |
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| 324 | } |
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| 325 | } |
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| 326 | } |
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| 327 | |
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| 328 | |
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