137 lines
3.3 KiB
C
137 lines
3.3 KiB
C
/*
|
|
* $Id: print.c,v 1.23 2007-02-13 06:00:20 bacon Exp $
|
|
*
|
|
* {License}
|
|
*/
|
|
|
|
#include <ase/lsp/lsp_i.h>
|
|
|
|
#define OUTPUT_STR(lsp,str) \
|
|
do { \
|
|
if (lsp->output_func(ASE_LSP_IO_WRITE, lsp->output_arg, (ase_char_t*)str, ase_lsp_strlen(str)) == -1) { \
|
|
ase_lsp_seterror (lsp, ASE_LSP_EOUTPUT, ASE_NULL, 0); \
|
|
return -1; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define OUTPUT_STRX(lsp,str,len) \
|
|
do { \
|
|
if (lsp->output_func(ASE_LSP_IO_WRITE, lsp->output_arg, (ase_char_t*)str, len) == -1) { \
|
|
ase_lsp_seterror (lsp, ASE_LSP_EOUTPUT, ASE_NULL, 0); \
|
|
return -1; \
|
|
} \
|
|
} while (0)
|
|
|
|
static int __print (ase_lsp_t* lsp, const ase_lsp_obj_t* obj, ase_bool_t prt_cons_par)
|
|
{
|
|
ase_char_t buf[256];
|
|
|
|
if (lsp->output_func == ASE_NULL)
|
|
{
|
|
ase_lsp_seterror (lsp, ASE_LSP_ENOOUTP, ASE_NULL, 0);
|
|
return -1;
|
|
}
|
|
|
|
switch (ASE_LSP_TYPE(obj))
|
|
{
|
|
case ASE_LSP_OBJ_NIL:
|
|
OUTPUT_STR (lsp, ASE_T("nil"));
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_TRUE:
|
|
OUTPUT_STR (lsp, ASE_T("t"));
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_INT:
|
|
#if defined(__BORLANDC__) || defined(_MSC_VER)
|
|
lsp->prmfns.sprintf (
|
|
buf, ASE_COUNTOF(buf),
|
|
ASE_T("%I64d"), (__int64)ASE_LSP_IVAL(obj));
|
|
#elif defined(vax) || defined(__vax) || defined(_SCO_DS)
|
|
lsp->prmfns.sprintf (
|
|
buf, ASE_COUNTOF(buf),
|
|
ASE_T("%ld"), (long)ASE_LSP_IVAL(obj));
|
|
#else
|
|
lsp->prmfns.sprintf (
|
|
buf, ASE_COUNTOF(buf),
|
|
ASE_T("%lld"), (long long)ASE_LSP_IVAL(obj));
|
|
#endif
|
|
OUTPUT_STR (lsp, buf);
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_REAL:
|
|
lsp->prmfns.sprintf (buf, ASE_COUNTOF(buf),
|
|
ASE_T("%Lf"), (long double)ASE_LSP_RVAL(obj));
|
|
|
|
OUTPUT_STR (lsp, buf);
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_SYM:
|
|
OUTPUT_STRX (lsp, ASE_LSP_SYMPTR(obj), ASE_LSP_SYMLEN(obj));
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_STR:
|
|
OUTPUT_STR (lsp, ASE_T("\""));
|
|
/* TODO: deescaping */
|
|
OUTPUT_STRX (lsp, ASE_LSP_STRPTR(obj), ASE_LSP_STRLEN(obj));
|
|
OUTPUT_STR (lsp, ASE_T("\""));
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_CONS:
|
|
{
|
|
const ase_lsp_obj_t* p = obj;
|
|
if (prt_cons_par) OUTPUT_STR (lsp, ASE_T("("));
|
|
do
|
|
{
|
|
ase_lsp_print (lsp, ASE_LSP_CAR(p));
|
|
p = ASE_LSP_CDR(p);
|
|
if (p != lsp->mem->nil)
|
|
{
|
|
OUTPUT_STR (lsp, ASE_T(" "));
|
|
if (ASE_LSP_TYPE(p) != ASE_LSP_OBJ_CONS)
|
|
{
|
|
OUTPUT_STR (lsp, ASE_T(". "));
|
|
ase_lsp_print (lsp, p);
|
|
}
|
|
}
|
|
}
|
|
while (p != lsp->mem->nil && ASE_LSP_TYPE(p) == ASE_LSP_OBJ_CONS);
|
|
if (prt_cons_par) OUTPUT_STR (lsp, ASE_T(")"));
|
|
|
|
break;
|
|
}
|
|
|
|
case ASE_LSP_OBJ_FUNC:
|
|
/*OUTPUT_STR (lsp, ASE_T("func"));*/
|
|
OUTPUT_STR (lsp, ASE_T("(lambda "));
|
|
if (__print (lsp, ASE_LSP_FFORMAL(obj), ase_true) == -1) return -1;
|
|
OUTPUT_STR (lsp, ASE_T(" "));
|
|
if (__print (lsp, ASE_LSP_FBODY(obj), ase_false) == -1) return -1;
|
|
OUTPUT_STR (lsp, ASE_T(")"));
|
|
break;
|
|
|
|
case ASE_LSP_OBJ_MACRO:
|
|
OUTPUT_STR (lsp, ASE_T("(macro "));
|
|
if (__print (lsp, ASE_LSP_FFORMAL(obj), ase_true) == -1) return -1;
|
|
OUTPUT_STR (lsp, ASE_T(" "));
|
|
if (__print (lsp, ASE_LSP_FBODY(obj), ase_false) == -1) return -1;
|
|
OUTPUT_STR (lsp, ASE_T(")"));
|
|
break;
|
|
case ASE_LSP_OBJ_PRIM:
|
|
OUTPUT_STR (lsp, ASE_T("prim"));
|
|
break;
|
|
|
|
default:
|
|
lsp->prmfns.sprintf (buf, ASE_COUNTOF(buf),
|
|
ASE_T("unknown object type: %d"), ASE_LSP_TYPE(obj));
|
|
OUTPUT_STR (lsp, buf);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ase_lsp_print (ase_lsp_t* lsp, const ase_lsp_obj_t* obj)
|
|
{
|
|
return __print (lsp, obj, ase_true);
|
|
}
|