86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
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*
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* c o n s o l e . c -- Console management
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*
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* Copyright © 1998-1999 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
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*
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*
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* Permission to use, copy, modify, distribute,and license this
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* software and its documentation for any purpose is hereby granted,
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* provided that existing copyright notices are retained in all
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* copies and that this notice is included verbatim in any
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* distributions. No written agreement, license, or royalty fee is
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* required for any of the authorized uses.
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* This software is provided ``AS IS'' without express or implied
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* warranty.
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*
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* Author: Erick Gallesio [eg@kaolin.unice.fr]
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* Creation date: 4-Nov-1998 18:50
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* Last file update: 3-Sep-1999 20:19 (eg)
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*
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*/
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#include "stk.h"
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#ifdef USE_TK
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static PRIMITIVE fill_stdin(SCM str)
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{
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static SCM the_buffer = NULL;
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ENTER_PRIMITIVE("%fill-stdin");
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if (!STRINGP(str)) Serror("bad string", str);
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if (!the_buffer) {
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/* first call to fill_stdin. Protect the buffer against GC */
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STk_gc_protect(&the_buffer);
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}
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the_buffer = str;
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STk_fill_stdin_buffer(CHARS(str));
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return UNDEFINED;
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}
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void STk_console_prompt(SCM env)
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{
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char *msg = "Incorrect \"console-display-prompt\" procedure";
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char *expr = "(catch ((with-module Tk console-display-prompt)(current-module)))";
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if (STk_internal_eval_string(expr, 0, env) == Truth) {
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/* print on stderr AND the console because console is probably
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* not reliable if we are here.
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*/
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fprintf(stderr, "**** FATAL ERROR: %s\nABANDON\n", msg);
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panic(msg);
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}
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}
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void STk_init_console(void)
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{
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char file[MAX_PATH_LENGTH+30];
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char *name= "%make-standard-console";
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SCM *tmp;
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/* Load the console file */
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sprintf(file, "%s/STk/console.stk", STk_library_path);
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if (STk_load_file(file, FALSE, STk_selected_module) == Ntruth)
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panic("Unable to load the console file \"%s\"", file);
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/* Add the new (secret) primitive fill_stdin */
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STk_add_new_primitive("%fill-stdin", tc_subr_1, fill_stdin);
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/* Call the function %make-standard-console */
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tmp = STk_varlookup(Intern(name), NIL, FALSE);
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if (STk_procedurep(*tmp) == Ntruth)
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panic("File \"%s\" does not define properly the function \"%s\"", file, name);
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Apply0(*tmp);
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}
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#endif
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