63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "picrin.h"
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#include "picrin/proc.h"
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void
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pic_debug(pic_state *pic, pic_value obj)
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{
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switch (pic_type(obj)) {
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case PIC_TT_NIL:
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printf("()");
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break;
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case PIC_TT_PAIR:
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printf("(");
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pic_debug(pic, pic_car(pic, obj));
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printf(" . ");
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pic_debug(pic, pic_cdr(pic, obj));
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printf(")");
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break;
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case PIC_TT_SYMBOL:
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printf("%s", pic_symbol_ptr(obj)->name);
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break;
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case PIC_TT_FLOAT:
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printf("%g", pic_float(obj));
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break;
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case PIC_TT_UNDEF:
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printf("#<undef>");
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break;
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case PIC_TT_PROC:
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printf("#<proc %p>", pic_proc_ptr(obj));
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break;
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default:
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printf("#<unknown type>");
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break;
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}
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}
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static pic_value
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pic_port_write(pic_state *pic)
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{
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pic_value v;
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pic_get_args(pic, "o", &v);
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pic_debug(pic, v);
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return pic_undef_value();
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}
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static pic_value
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pic_port_newline(pic_state *pic)
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{
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puts("");
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return pic_undef_value();
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}
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void
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pic_init_port(pic_state *pic)
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{
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pic_defun(pic, "write", pic_port_write);
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pic_defun(pic, "newline", pic_port_newline);
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}
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