114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/*
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* $Id: print.c,v 1.3 2005-02-04 16:23:34 bacon Exp $
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*/
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#include <xp/lisp/lisp.h>
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void xp_lisp_print_debug (xp_lisp_obj_t* obj)
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{
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switch (XP_LISP_TYPE(obj)) {
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case XP_LISP_OBJ_NIL:
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xp_printf (XP_TEXT("nil"));
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break;
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case XP_LISP_OBJ_TRUE:
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xp_printf (XP_TEXT("t"));
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break;
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case XP_LISP_OBJ_INT:
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xp_printf (XP_TEXT("%d"), XP_LISP_IVALUE(obj));
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break;
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case XP_LISP_OBJ_FLOAT:
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xp_printf (XP_TEXT("%f"), XP_LISP_FVALUE(obj));
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break;
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case XP_LISP_OBJ_SYMBOL:
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xp_printf (XP_TEXT("%s"), XP_LISP_SYMVALUE(obj));
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break;
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case XP_LISP_OBJ_STRING:
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xp_printf (XP_TEXT("%s"), XP_LISP_STRVALUE(obj));
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break;
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case XP_LISP_OBJ_CONS:
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{
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xp_lisp_obj_t* p = obj;
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xp_printf (XP_TEXT("("));
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do {
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xp_lisp_print_debug (XP_LISP_CAR(p));
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p = XP_LISP_CDR(p);
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if (XP_LISP_TYPE(p) != XP_LISP_OBJ_NIL) {
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xp_printf (XP_TEXT(" "));
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if (XP_LISP_TYPE(p) != XP_LISP_OBJ_CONS) {
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xp_printf (XP_TEXT(". "));
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xp_lisp_print_debug (p);
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}
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}
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} while (XP_LISP_TYPE(p) != XP_LISP_OBJ_NIL && XP_LISP_TYPE(p) == XP_LISP_OBJ_CONS);
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xp_printf (XP_TEXT(")"));
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}
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break;
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case XP_LISP_OBJ_FUNC:
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xp_printf (XP_TEXT("func"));
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break;
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case XP_LISP_OBJ_MACRO:
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xp_printf (XP_TEXT("macro"));
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break;
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case XP_LISP_OBJ_PRIM:
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xp_printf (XP_TEXT("prim"));
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break;
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default:
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xp_printf (XP_TEXT("unknown object type: %d"), XP_LISP_TYPE(obj));
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}
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}
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void xp_lisp_print (xp_lisp_t* lsp, xp_lisp_obj_t* obj)
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{
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switch (XP_LISP_TYPE(obj)) {
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case XP_LISP_OBJ_NIL:
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xp_fprintf (lsp->outstream,XP_TEXT("nil"));
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break;
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case XP_LISP_OBJ_TRUE:
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xp_fprintf (lsp->outstream,XP_TEXT("t"));
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break;
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case XP_LISP_OBJ_INT:
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xp_fprintf (lsp->outstream,XP_TEXT("%d"), XP_LISP_IVALUE(obj));
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break;
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case XP_LISP_OBJ_FLOAT:
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xp_fprintf (lsp->outstream,XP_TEXT("%f"), XP_LISP_FVALUE(obj));
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break;
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case XP_LISP_OBJ_SYMBOL:
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xp_fprintf (lsp->outstream,XP_TEXT("%s"), XP_LISP_SYMVALUE(obj));
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break;
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case XP_LISP_OBJ_STRING:
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xp_fprintf (lsp->outstream,XP_TEXT("\"%s\""), XP_LISP_STRVALUE(obj));
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break;
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case XP_LISP_OBJ_CONS:
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{
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xp_lisp_obj_t* p = obj;
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xp_fprintf (lsp->outstream,XP_TEXT("("));
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do {
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xp_lisp_print (lsp, XP_LISP_CAR(p));
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p = XP_LISP_CDR(p);
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if (p != lsp->mem->nil) {
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xp_fprintf (lsp->outstream,XP_TEXT(" "));
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if (XP_LISP_TYPE(p) != XP_LISP_OBJ_CONS) {
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xp_fprintf (lsp->outstream,XP_TEXT(". "));
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xp_lisp_print (lsp, p);
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}
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}
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} while (p != lsp->mem->nil && XP_LISP_TYPE(p) == XP_LISP_OBJ_CONS);
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xp_fprintf (lsp->outstream,XP_TEXT(")"));
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}
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break;
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case XP_LISP_OBJ_FUNC:
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xp_fprintf (lsp->outstream,XP_TEXT("func"));
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break;
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case XP_LISP_OBJ_MACRO:
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xp_fprintf (lsp->outstream,XP_TEXT("macro"));
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break;
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case XP_LISP_OBJ_PRIM:
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xp_fprintf (lsp->outstream,XP_TEXT("prim"));
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break;
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default:
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xp_fprintf (lsp->outstream,
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XP_TEXT("unknown object type: %d"), XP_LISP_TYPE(obj));
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}
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}
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