[c06a32] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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[341696] | 4 | /* $Id$ */ |
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[c06a32] | 5 | /* |
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| 6 | * ABSTRACT: Implementation of option buisness |
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| 7 | */ |
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| 8 | |
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[50cbdc] | 9 | #include <string.h> |
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[f3a470] | 10 | #include <stdlib.h> |
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[599326] | 11 | #include <kernel/mod2.h> |
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| 12 | #include <Singular/feOpt.h> |
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[487f79] | 13 | #if !defined(GENERATE_OPTION_INDEX) && !defined(ESINGULAR) && !defined(TSINGULAR) |
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[599326] | 14 | #include <kernel/options.h> |
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[487f79] | 15 | #endif |
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[c06a32] | 16 | |
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| 17 | // Define here which cmd-line options are recognized |
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| 18 | struct fe_option feOptSpec[] = |
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| 19 | { |
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| 20 | // |
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[3b295e] | 21 | // Has to be of the form |
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| 22 | // {name, has_arg, val, |
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| 23 | // arg_name, help, type, value, set} |
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[c06a32] | 24 | // where: |
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| 25 | // |
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| 26 | // name is the name of the long option. |
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[3b295e] | 27 | // |
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[c06a32] | 28 | // has_arg |
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| 29 | // is: no_argument (or 0) if the option does not take |
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| 30 | // an argument, required_argument (or 1) if the option |
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| 31 | // requires an argument, or optional_argument (or 2) |
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| 32 | // if the option takes an optional argument. |
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[3b295e] | 33 | // |
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[c06a32] | 34 | // val is the value to return, or to load into the |
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| 35 | // variable pointed to by flag. |
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| 36 | // NEEDS TO BE LONG_OPTION_RETURN, for long option |
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| 37 | // short option char, for short option |
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| 38 | // |
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[3b295e] | 39 | // arg_name if set, uses this value as name for argument in |
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[c06a32] | 40 | // display of help |
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[3b295e] | 41 | // |
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[c06a32] | 42 | // help one-line description of option |
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| 43 | // |
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[3b295e] | 44 | // type one of feOptUntyped (value is never set), |
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[b6f537] | 45 | // feOptBool, feOptInt, feOptString |
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[3b295e] | 46 | // |
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[c06a32] | 47 | // value (default) value of option |
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[3b295e] | 48 | // |
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| 49 | // set only relevant for feOptString: |
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[c06a32] | 50 | // 1: if value different from default value |
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[3b295e] | 51 | // 0: otherwise |
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[c06a32] | 52 | // |
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[3b295e] | 53 | // The order in which options are specified is the order in which |
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[c06a32] | 54 | // their help is printed on -h |
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| 55 | // |
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| 56 | // Options whose hel starts with an "//" are considered undocumented, |
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| 57 | // i.e., their help is not printed on -h |
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[3b295e] | 58 | // |
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[ef0124] | 59 | #if defined(ESINGULAR) || defined(TSINGULAR) |
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[c06a32] | 60 | #ifdef ESINGULAR |
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| 61 | // options only relevant for ESINGULAR |
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[3b295e] | 62 | {"emacs", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 63 | "EMACS", "Use EMACS as emacs program to run Singular", feOptString, 0, 0}, |
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| 64 | |
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[3b295e] | 65 | {"emacs-dir", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 66 | "DIR", "Use DIR as directory to look for emacs lisp files", feOptString, 0, 0}, |
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| 67 | |
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[3b295e] | 68 | {"emacs-load", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 69 | "FILE", "Load FILE on emacs start-up, instead of default", feOptString, 0, 0}, |
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[ef0124] | 70 | #else |
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| 71 | {"xterm", required_argument, LONG_OPTION_RETURN, |
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[b5398a3] | 72 | "XTERM", "Use XTERM as terminal program to run Singular", feOptString, 0, 0}, |
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[a3bc95e] | 73 | #endif |
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[3b295e] | 74 | |
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| 75 | {"singular", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 76 | "PROG", "Start PROG as Singular program within emacs", feOptString, 0, 0}, |
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| 77 | |
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[ef0124] | 78 | {"no-call", no_argument, LONG_OPTION_RETURN, |
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[b5398a3] | 79 | 0, "Do not start program. Print call to stdout", feOptBool, 0, 0}, |
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[c06a32] | 80 | #endif |
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| 81 | |
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[3b295e] | 82 | {"batch", no_argument, 'b', |
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[b5398a3] | 83 | 0, "Run in batch mode", feOptBool, 0, 0}, |
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[c06a32] | 84 | |
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[3b295e] | 85 | {"execute", required_argument, 'c', |
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[c06a32] | 86 | "STRING", "Execute STRING on start-up", feOptString, 0, 0}, |
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[3b295e] | 87 | |
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| 88 | {"sdb", no_argument, 'd', |
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[c06a32] | 89 | 0, "Enable source code debugger (experimental)", feOptBool, 0, 0}, |
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| 90 | |
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[3b295e] | 91 | {"echo", optional_argument, 'e', |
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[c06a32] | 92 | "VAL", "Set value of variable `echo' to (integer) VAL", feOptInt, 0, 0}, |
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[3b295e] | 93 | |
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| 94 | {"help", no_argument, 'h', |
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[b6f537] | 95 | 0, "Print help message and exit", feOptUntyped, 0, 0}, |
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[c06a32] | 96 | |
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[3b295e] | 97 | {"quiet", no_argument, 'q', |
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[c06a32] | 98 | 0, "Do not print start-up banner and lib load messages", feOptBool, 0, 0}, |
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[adf4ba] | 99 | {"sort", no_argument, 's', |
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| 100 | 0, "// Sort NTL results", feOptBool, 0, 0}, |
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[c06a32] | 101 | |
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[3b295e] | 102 | {"random", required_argument, 'r', |
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[8f02de] | 103 | "SEED", "Seed random generator with (integer) SEED", feOptInt, 0, 0}, |
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[c06a32] | 104 | |
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[3b295e] | 105 | {"no-tty", no_argument, 't', |
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[c06a32] | 106 | 0, "Do not redefine the terminal characteristics", feOptBool, 0, 0}, |
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| 107 | |
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[3b295e] | 108 | {"user-option", required_argument, 'u', |
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[c06a32] | 109 | "STRING", "Return STRING on `system(\"--user-option\")'", feOptString, 0, 0}, |
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| 110 | |
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[3b295e] | 111 | {"version", no_argument, 'v', |
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[b6f537] | 112 | 0, "Print extended version and configuration info", feOptUntyped, 0, 0}, |
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[c06a32] | 113 | |
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| 114 | |
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[3b295e] | 115 | {"allow-net", no_argument, LONG_OPTION_RETURN, |
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[6123fa2] | 116 | 0, "Allow to fetch (html) help pages from the net", feOptBool, 0, 0}, |
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| 117 | |
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[3b295e] | 118 | {"browser", required_argument, LONG_OPTION_RETURN, |
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[d5f3509] | 119 | "BROWSER", "Display help in BROWSER (see help.cnf)", feOptString, 0, 0}, |
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[c06a32] | 120 | |
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| 121 | #ifndef ESINGULAR |
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[3b295e] | 122 | {"emacs", no_argument, LONG_OPTION_RETURN, |
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[c06a32] | 123 | 0, "Set defaults for running within emacs", feOptBool, 0, 0}, |
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| 124 | #endif |
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| 125 | |
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[3b295e] | 126 | {"no-stdlib", no_argument, LONG_OPTION_RETURN, |
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[c06a32] | 127 | 0, "Do not load `standard.lib' on start-up", feOptBool, 0, 0}, |
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[3b295e] | 128 | |
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| 129 | {"no-rc", no_argument, LONG_OPTION_RETURN, |
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[6123fa2] | 130 | 0, "Do not execute `.singularrc' file(s) on start-up", feOptBool, 0, 0}, |
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[c06a32] | 131 | |
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[3b295e] | 132 | {"no-warn", no_argument, LONG_OPTION_RETURN, |
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[c06a32] | 133 | 0, "Do not display warning messages", feOptBool, 0, 0}, |
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| 134 | |
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[3b295e] | 135 | {"no-out", no_argument, LONG_OPTION_RETURN, |
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[c06a32] | 136 | 0, "Suppress all output", feOptBool, 0, 0}, |
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| 137 | |
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[3b295e] | 138 | {"min-time", required_argument, LONG_OPTION_RETURN, |
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[a70441f] | 139 | "SECS", "Do not display times smaller than SECS (in seconds)", feOptString, (void*) "0.5", 0}, |
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[c06a32] | 140 | |
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[3b295e] | 141 | {"MPport", required_argument, LONG_OPTION_RETURN, |
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[425e33c] | 142 | "PORT", "Use PORT number for conections", feOptString, 0, 0}, |
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[c06a32] | 143 | |
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[3b295e] | 144 | {"MPhost", required_argument, LONG_OPTION_RETURN, |
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[425e33c] | 145 | "HOST", "Use HOST for connections", feOptString, 0, 0}, |
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| 146 | |
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| 147 | {"link", required_argument, LONG_OPTION_RETURN, |
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| 148 | "LINK", "Use LINK for connections", feOptString, 0, 0}, |
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[d2f3863] | 149 | |
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[425e33c] | 150 | #ifdef HAVE_MPSR |
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[d2f3863] | 151 | {"MPrsh", required_argument, LONG_OPTION_RETURN, |
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[425e33c] | 152 | "RSH", "Use RSH for MP connections", feOptString, 0, 0}, |
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[c06a32] | 153 | #endif |
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| 154 | |
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[3b295e] | 155 | {"ticks-per-sec", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 156 | "TICKS", "Sets unit of timer to TICKS per second", feOptInt, (void*)1, 0}, |
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| 157 | |
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| 158 | // undocumented options |
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| 159 | #ifdef HAVE_MPSR |
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[3b295e] | 160 | {"MPtransp", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 161 | "TRANSP", "// Use TRANSP for MP connections", feOptString, 0, 0}, |
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[3b295e] | 162 | |
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| 163 | {"MPmode", required_argument, LONG_OPTION_RETURN, |
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[c06a32] | 164 | "MODE", "// Use MODE for MP connections", feOptString, 0, 0}, |
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| 165 | #endif |
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[3b295e] | 166 | |
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[c06a32] | 167 | // terminator -- do NOT remove |
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[3b295e] | 168 | { 0, 0, 0, 0, 0, feOptInt, 0, 0} |
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[c06a32] | 169 | }; |
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| 170 | |
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[adf4ba] | 171 | const char SHORT_OPTS_STRING[] = "bdhqstvxec:r:u:"; |
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[c06a32] | 172 | |
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| 173 | ////////////////////////////////////////////////////////////// |
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| 174 | // |
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| 175 | // Generation of feOptIndex |
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| 176 | // |
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| 177 | #ifdef GENERATE_OPTION_INDEX |
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| 178 | |
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| 179 | #include <stdio.h> |
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[07c5ee] | 180 | #include <unistd.h> |
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[5a39d12] | 181 | #include <stdlib.h> |
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[83c63c] | 182 | int main() |
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[c06a32] | 183 | { |
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| 184 | FILE* fd; |
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| 185 | #ifdef ESINGULAR |
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[4df19c] | 186 | fd = fopen("feOptES.xx", "w"); |
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[ef0124] | 187 | #elif defined(TSINGULAR) |
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[4df19c] | 188 | fd = fopen("feOptTS.xx", "w"); |
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[a3bc95e] | 189 | #else |
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[e287fa] | 190 | fd = fopen("feOpt.xx", "w"); |
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[c06a32] | 191 | #endif |
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| 192 | |
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| 193 | if (fd == NULL) exit(1); |
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| 194 | |
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| 195 | int i = 0; |
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[3b295e] | 196 | |
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| 197 | fputs("typedef enum\n{\n", fd); |
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| 198 | |
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[c06a32] | 199 | while (feOptSpec[i].name != NULL) |
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| 200 | { |
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| 201 | const char* name = feOptSpec[i].name; |
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| 202 | fputs("FE_OPT_", fd); |
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| 203 | while (*name != 0) |
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| 204 | { |
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[3b295e] | 205 | if (*name == '-') |
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[c06a32] | 206 | { |
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| 207 | putc('_', fd); |
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| 208 | } |
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| 209 | else if (*name >= 97 && *name <= 122) |
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| 210 | { |
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| 211 | putc(*name - 32, fd); |
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| 212 | } |
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| 213 | else |
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| 214 | { |
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| 215 | putc(*name, fd); |
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| 216 | } |
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| 217 | name++; |
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| 218 | } |
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| 219 | if (i == 0) |
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| 220 | { |
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| 221 | fputs("=0", fd); |
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| 222 | } |
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| 223 | i++; |
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| 224 | fputs(",\n ", fd); |
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| 225 | } |
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[3b295e] | 226 | |
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[c06a32] | 227 | fprintf(fd, "FE_OPT_UNDEF\n} feOptIndex;\n"); |
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| 228 | fclose(fd); |
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[4df19c] | 229 | #ifdef ESINGULAR |
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| 230 | rename("feOptES.xx", "feOptES.inc"); |
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| 231 | #elif defined(TSINGULAR) |
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| 232 | rename("feOptTS.xx", "feOptTS.inc"); |
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| 233 | #else |
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| 234 | rename("feOpt.xx", "feOpt.inc"); |
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| 235 | #endif |
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[83c63c] | 236 | return(0); |
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[c06a32] | 237 | } |
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| 238 | |
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| 239 | #else // ! GENERATE_OPTION_INDEX |
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| 240 | |
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| 241 | /////////////////////////////////////////////////////////////// |
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| 242 | // |
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| 243 | // Getting Values |
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| 244 | // |
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| 245 | |
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| 246 | feOptIndex feGetOptIndex(const char* name) |
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| 247 | { |
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| 248 | int opt = 0; |
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[3b295e] | 249 | |
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[c06a32] | 250 | while (opt != (int) FE_OPT_UNDEF) |
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| 251 | { |
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[3b295e] | 252 | if (strcmp(feOptSpec[opt].name, name) == 0) |
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[c06a32] | 253 | return (feOptIndex) opt; |
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| 254 | opt = opt + 1; |
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| 255 | } |
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| 256 | return FE_OPT_UNDEF; |
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| 257 | } |
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| 258 | |
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| 259 | feOptIndex feGetOptIndex(int optc) |
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| 260 | { |
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| 261 | int opt = 0; |
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[3b295e] | 262 | |
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[c06a32] | 263 | if (optc == LONG_OPTION_RETURN) return FE_OPT_UNDEF; |
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[3b295e] | 264 | |
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[c06a32] | 265 | while (opt != (int) FE_OPT_UNDEF) |
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| 266 | { |
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| 267 | if (feOptSpec[opt].val == optc) |
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| 268 | return (feOptIndex) opt; |
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| 269 | opt = opt + 1; |
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| 270 | } |
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| 271 | return FE_OPT_UNDEF; |
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| 272 | } |
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| 273 | |
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[2272c33] | 274 | void* feGetOptValue(feOptIndex opt) |
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| 275 | { |
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| 276 | return feOptSpec[(int)opt].value; |
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| 277 | } |
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| 278 | |
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[c06a32] | 279 | /////////////////////////////////////////////////////////////// |
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| 280 | // |
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| 281 | // Setting Values |
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| 282 | // |
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| 283 | static void feOptHelp(const char* name); |
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| 284 | // |
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| 285 | // Return: NULL -- everything ok |
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| 286 | // "error-string" on error |
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[ef0124] | 287 | #if !defined(ESINGULAR) && !defined(TSINGULAR) |
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[b1dfaf] | 288 | #include <omalloc/omalloc.h> |
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[599326] | 289 | #include <kernel/febase.h> |
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| 290 | #include <Singular/ipshell.h> |
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| 291 | #include <Singular/tok.h> |
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| 292 | #include <Singular/sdb.h> |
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| 293 | #include <Singular/cntrlc.h> |
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| 294 | #include <kernel/timer.h> |
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[c06a32] | 295 | |
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| 296 | #ifdef HAVE_FACTORY |
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| 297 | #define SI_DONT_HAVE_GLOBAL_VARS |
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[b1dfaf] | 298 | #include <factory/factory.h> |
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[c06a32] | 299 | #endif |
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| 300 | #include <errno.h> |
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| 301 | |
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[0ec43a] | 302 | static const char* feOptAction(feOptIndex opt); |
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| 303 | const char* feSetOptValue(feOptIndex opt, char* optarg) |
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[c06a32] | 304 | { |
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| 305 | if (opt == FE_OPT_UNDEF) return "option undefined"; |
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[3b295e] | 306 | |
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[b6f537] | 307 | if (feOptSpec[opt].type != feOptUntyped) |
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[c06a32] | 308 | { |
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[b6f537] | 309 | if (feOptSpec[opt].type != feOptString) |
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[c06a32] | 310 | { |
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[b6f537] | 311 | if (optarg != NULL) |
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| 312 | { |
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| 313 | errno = 0; |
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| 314 | feOptSpec[opt].value = (void*) strtol(optarg, NULL, 10); |
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| 315 | if (errno) return "invalid integer argument"; |
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| 316 | } |
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| 317 | else |
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| 318 | { |
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| 319 | feOptSpec[opt].value = (void*) 0; |
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| 320 | } |
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[c06a32] | 321 | } |
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| 322 | else |
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| 323 | { |
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[b6f537] | 324 | assume(feOptSpec[opt].type == feOptString); |
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| 325 | if (feOptSpec[opt].set && feOptSpec[opt].value != NULL) |
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[c232af] | 326 | omFree(feOptSpec[opt].value); |
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[b6f537] | 327 | if (optarg != NULL) |
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[c232af] | 328 | feOptSpec[opt].value = omStrDup(optarg); |
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[b6f537] | 329 | else |
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| 330 | feOptSpec[opt].value = NULL; |
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| 331 | feOptSpec[opt].set = 1; |
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[c06a32] | 332 | } |
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| 333 | } |
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| 334 | return feOptAction(opt); |
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| 335 | } |
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| 336 | |
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[0ec43a] | 337 | const char* feSetOptValue(feOptIndex opt, int optarg) |
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[c06a32] | 338 | { |
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| 339 | if (opt == FE_OPT_UNDEF) return "option undefined"; |
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[3b295e] | 340 | |
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[b6f537] | 341 | if (feOptSpec[opt].type != feOptUntyped) |
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| 342 | { |
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| 343 | if (feOptSpec[opt].type == feOptString) |
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| 344 | return "option value needs to be an integer"; |
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[3b295e] | 345 | |
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[b6f537] | 346 | feOptSpec[opt].value = (void*) optarg; |
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| 347 | } |
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[c06a32] | 348 | return feOptAction(opt); |
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| 349 | } |
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| 350 | |
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[0ec43a] | 351 | static const char* feOptAction(feOptIndex opt) |
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[c06a32] | 352 | { |
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| 353 | // do some special actions |
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| 354 | switch(opt) |
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| 355 | { |
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| 356 | case FE_OPT_BATCH: |
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[b6f537] | 357 | if (feOptSpec[FE_OPT_BATCH].value) |
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| 358 | fe_fgets_stdin=fe_fgets_dummy; |
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[c06a32] | 359 | return NULL; |
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| 360 | |
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| 361 | case FE_OPT_HELP: |
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| 362 | feOptHelp(feArgv0); |
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| 363 | return NULL; |
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| 364 | |
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| 365 | case FE_OPT_QUIET: |
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[b6f537] | 366 | if (feOptSpec[FE_OPT_QUIET].value) |
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| 367 | verbose &= ~(Sy_bit(0)|Sy_bit(V_LOAD_LIB)); |
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| 368 | else |
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| 369 | verbose |= Sy_bit(V_LOAD_LIB)|Sy_bit(0); |
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[c06a32] | 370 | return NULL; |
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| 371 | |
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| 372 | case FE_OPT_NO_TTY: |
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| 373 | #if defined(HAVE_FEREAD) || defined(HAVE_READLINE) |
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[b6f537] | 374 | if (feOptSpec[FE_OPT_NO_TTY].value) |
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| 375 | fe_fgets_stdin=fe_fgets; |
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[c06a32] | 376 | #endif |
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| 377 | return NULL; |
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| 378 | |
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| 379 | case FE_OPT_SDB: |
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[50cbdc] | 380 | #ifdef HAVE_SDB |
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[b6f537] | 381 | if (feOptSpec[FE_OPT_SDB].value) |
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| 382 | sdb_flags = 1; |
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| 383 | else |
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| 384 | sdb_flags = 0; |
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[f3a470] | 385 | #endif |
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[c06a32] | 386 | return NULL; |
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| 387 | |
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| 388 | case FE_OPT_VERSION: |
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[6b4ff12] | 389 | printf("%s",versionString()); |
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[c06a32] | 390 | return NULL; |
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| 391 | |
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| 392 | case FE_OPT_ECHO: |
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[7447d8] | 393 | si_echo = (int) ((long)(feOptSpec[FE_OPT_ECHO].value)); |
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[c06a32] | 394 | if (si_echo < 0 || si_echo > 9) |
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| 395 | return "argument of option is not in valid range 0..9"; |
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| 396 | return NULL; |
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[3b295e] | 397 | |
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[b6f537] | 398 | case FE_OPT_RANDOM: |
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[7447d8] | 399 | siRandomStart = (unsigned int) ((unsigned long) |
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| 400 | (feOptSpec[FE_OPT_RANDOM].value)); |
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[c06a32] | 401 | siSeed=siRandomStart; |
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| 402 | #ifdef HAVE_FACTORY |
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| 403 | factoryseed(siRandomStart); |
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| 404 | #endif |
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| 405 | return NULL; |
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| 406 | |
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| 407 | case FE_OPT_EMACS: |
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[b6f537] | 408 | if (feOptSpec[FE_OPT_EMACS].value) |
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| 409 | { |
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| 410 | // print EmacsDir and InfoFile so that Emacs |
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| 411 | // mode can pcik it up |
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| 412 | Warn("EmacsDir: %s", (feResource('e' /*"EmacsDir"*/) != NULL ? |
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| 413 | feResource('e' /*"EmacsDir"*/) : "")); |
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| 414 | Warn("InfoFile: %s", (feResource('i' /*"InfoFile"*/) != NULL ? |
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| 415 | feResource('i' /*"InfoFile"*/) : "")); |
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| 416 | } |
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[c06a32] | 417 | return NULL; |
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| 418 | |
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| 419 | case FE_OPT_NO_WARN: |
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[b6f537] | 420 | if (feOptSpec[FE_OPT_NO_WARN].value) |
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| 421 | feWarn = FALSE; |
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| 422 | else |
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| 423 | feWarn = TRUE; |
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[c06a32] | 424 | return NULL; |
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[3b295e] | 425 | |
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[c06a32] | 426 | case FE_OPT_NO_OUT: |
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[b6f537] | 427 | if (feOptSpec[FE_OPT_NO_OUT].value) |
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| 428 | feOut = FALSE; |
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| 429 | else |
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| 430 | feOut = TRUE; |
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[c06a32] | 431 | return NULL; |
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| 432 | |
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| 433 | case FE_OPT_MIN_TIME: |
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| 434 | { |
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| 435 | double mintime = atof((char*) feOptSpec[FE_OPT_MIN_TIME].value); |
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| 436 | if (mintime <= 0) return "invalid float argument"; |
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| 437 | SetMinDisplayTime(mintime); |
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| 438 | return NULL; |
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| 439 | } |
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| 440 | |
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| 441 | case FE_OPT_BROWSER: |
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[6123fa2] | 442 | feHelpBrowser((char*) feOptSpec[FE_OPT_BROWSER].value, 1); |
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[c06a32] | 443 | |
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| 444 | case FE_OPT_TICKS_PER_SEC: |
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| 445 | { |
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[7447d8] | 446 | int ticks = (int) ((long)(feOptSpec[FE_OPT_TICKS_PER_SEC].value)); |
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[c06a32] | 447 | if (ticks <= 0) |
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| 448 | return "integer argument must be larger than 0"; |
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| 449 | SetTimerResolution(ticks); |
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| 450 | return NULL; |
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| 451 | } |
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[b6f537] | 452 | |
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[c06a32] | 453 | default: |
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| 454 | return NULL; |
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| 455 | } |
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| 456 | } |
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| 457 | |
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| 458 | // Prints usage message |
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| 459 | void fePrintOptValues() |
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| 460 | { |
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| 461 | int i = 0; |
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| 462 | |
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| 463 | while (feOptSpec[i].name != 0) |
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| 464 | { |
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[b6f537] | 465 | if (feOptSpec[i].help != NULL && feOptSpec[i].type != feOptUntyped |
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[c06a32] | 466 | #ifndef NDEBUG |
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| 467 | && *(feOptSpec[i].help) != '/' |
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| 468 | #endif |
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| 469 | ) |
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| 470 | { |
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| 471 | if (feOptSpec[i].type == feOptString) |
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| 472 | { |
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| 473 | if (feOptSpec[i].value == NULL) |
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| 474 | { |
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| 475 | Print("// --%-15s\n", feOptSpec[i].name); |
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| 476 | } |
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| 477 | else |
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| 478 | { |
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| 479 | Print("// --%-15s \"%s\"\n", feOptSpec[i].name, (char*) feOptSpec[i].value); |
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| 480 | } |
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| 481 | } |
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| 482 | else |
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| 483 | { |
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[d97aa5] | 484 | Print("// --%-15s %d\n", feOptSpec[i].name, (int)(long)feOptSpec[i].value); |
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[c06a32] | 485 | } |
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| 486 | } |
---|
| 487 | i++; |
---|
| 488 | } |
---|
| 489 | } |
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| 490 | |
---|
| 491 | #endif // ! ESingular |
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| 492 | |
---|
| 493 | // Prints help message |
---|
| 494 | static void feOptHelp(const char* name) |
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| 495 | { |
---|
| 496 | int i = 0; |
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| 497 | char tmp[20]; |
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| 498 | #ifdef ESINGULAR |
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| 499 | printf("ESingular: A Program that starts-up Singular within emacs, for\n"); |
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[3b295e] | 500 | #endif |
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[c06a32] | 501 | printf("Singular version %s -- a CAS for polynomial computations. Usage:\n", S_VERSION1); |
---|
| 502 | printf(" %s [options] [file1 [file2 ...]]\n", name); |
---|
| 503 | printf("Options:\n"); |
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| 504 | |
---|
| 505 | while (feOptSpec[i].name != 0) |
---|
| 506 | { |
---|
[3b295e] | 507 | if (feOptSpec[i].help != NULL |
---|
[c06a32] | 508 | #ifdef NDEBUG |
---|
| 509 | && *(feOptSpec[i].help) != '/' |
---|
| 510 | #endif |
---|
| 511 | ) |
---|
| 512 | { |
---|
| 513 | if (feOptSpec[i].has_arg > 0) |
---|
| 514 | { |
---|
| 515 | if (feOptSpec[i].has_arg > 1) |
---|
| 516 | sprintf(tmp, "%s[=%s]", feOptSpec[i].name, feOptSpec[i].arg_name); |
---|
| 517 | else |
---|
| 518 | sprintf(tmp, "%s=%s", feOptSpec[i].name, feOptSpec[i].arg_name); |
---|
| 519 | |
---|
| 520 | printf(" %c%c --%-19s %s\n", |
---|
| 521 | (feOptSpec[i].val != 0 ? '-' : ' '), |
---|
| 522 | (feOptSpec[i].val != 0 ? feOptSpec[i].val : ' '), |
---|
| 523 | tmp, |
---|
| 524 | feOptSpec[i].help); |
---|
| 525 | } |
---|
| 526 | else |
---|
| 527 | { |
---|
| 528 | printf(" %c%c --%-19s %s\n", |
---|
| 529 | (feOptSpec[i].val != 0 ? '-' : ' '), |
---|
| 530 | (feOptSpec[i].val != 0 ? feOptSpec[i].val : ' '), |
---|
| 531 | feOptSpec[i].name, |
---|
| 532 | feOptSpec[i].help); |
---|
| 533 | } |
---|
| 534 | } |
---|
| 535 | i++; |
---|
| 536 | } |
---|
| 537 | |
---|
| 538 | printf("\nFor more information, type `help;' from within Singular or visit\n"); |
---|
[f2b960] | 539 | printf("http://www.singular.uni-kl.de or consult the\n"); |
---|
| 540 | printf("Singular manual (available as on-line info or html manual).\n"); |
---|
[c06a32] | 541 | } |
---|
| 542 | |
---|
| 543 | |
---|
| 544 | |
---|
| 545 | #endif // GENERATE_OPTION_INDEX |
---|