78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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* This file is part of stage0.
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*
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* stage0 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* stage0 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with stage0. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lisp.h"
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void writeobj(FILE *output_file, struct cell* op)
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{
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if(!echo) return;
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if(INT == op->type)
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{
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fputs(numerate_number(op->value), output_file);
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}
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else if(CONS == op->type)
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{
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fputc('(', output_file);
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do
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{
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writeobj(output_file, op->car);
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if(nil == op->cdr)
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{
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fputc(')', output_file);
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break;
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}
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op = op->cdr;
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if(op->type != CONS)
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{
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fputs(" . ", output_file);
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writeobj(output_file, op);
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fputc(')', output_file);
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break;
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}
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fputc(' ', output_file);
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} while(TRUE);
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}
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else if(SYM == op->type)
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{
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fputs(op->string, output_file);
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}
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else if(PRIMOP == op->type)
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{
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fputs("#<PRIMOP>", output_file);
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}
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else if(PROC == op->type)
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{
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fputs("#<PROC>", output_file);
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}
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else if(CHAR == op->type)
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{
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fputc(op->value, output_file);
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}
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else if(STRING == op->type)
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{
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fputs(op->string, output_file);
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}
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else
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{
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fputs("Type ", stderr);
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fputs(numerate_number(op->type), stderr);
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fputs(" is unknown\nPrint aborting hard\n", stderr);
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exit(EXIT_FAILURE);
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}
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}
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