143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
/*
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* $Id: print.c,v 1.25 2007-02-23 10:53:39 bacon Exp $
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*
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* {License}
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*/
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#include <ase/lsp/lsp_i.h>
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#define OUTPUT_STR(lsp,str) \
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do { \
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if (lsp->output_func(ASE_LSP_IO_WRITE, lsp->output_arg, (ase_char_t*)str, ase_strlen(str)) == -1) { \
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ase_lsp_seterror (lsp, ASE_LSP_EOUTPUT, ASE_NULL, 0); \
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return -1; \
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} \
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} while (0)
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#define OUTPUT_STRX(lsp,str,len) \
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do { \
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if (lsp->output_func(ASE_LSP_IO_WRITE, lsp->output_arg, (ase_char_t*)str, len) == -1) { \
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ase_lsp_seterror (lsp, ASE_LSP_EOUTPUT, ASE_NULL, 0); \
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return -1; \
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} \
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} while (0)
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static int __print (ase_lsp_t* lsp, const ase_lsp_obj_t* obj, ase_bool_t prt_cons_par)
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{
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ase_char_t buf[256];
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if (lsp->output_func == ASE_NULL)
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{
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ase_lsp_seterror (lsp, ASE_LSP_ENOOUTP, ASE_NULL, 0);
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return -1;
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}
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switch (ASE_LSP_TYPE(obj))
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{
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case ASE_LSP_OBJ_NIL:
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OUTPUT_STR (lsp, ASE_T("nil"));
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break;
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case ASE_LSP_OBJ_TRUE:
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OUTPUT_STR (lsp, ASE_T("t"));
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break;
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case ASE_LSP_OBJ_INT:
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#if ASE_SIZEOF_LONG_LONG > 0
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lsp->prmfns.misc.sprintf (
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buf, ASE_COUNTOF(buf),
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ASE_T("%lld"), (long long)ASE_LSP_IVAL(obj));
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#elif ASE_SIZEOF___INT64 > 0
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lsp->prmfns.misc.sprintf (
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buf, ASE_COUNTOF(buf),
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ASE_T("%I64d"), (__int64)ASE_LSP_IVAL(obj));
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#elif ASE_SIZEOF_LONG > 0
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lsp->prmfns.misc.sprintf (
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buf, ASE_COUNTOF(buf),
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ASE_T("%ld"), (long)ASE_LSP_IVAL(obj));
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#elif ASE_SIZEOF_INT > 0
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lsp->prmfns.misc.sprintf (
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buf, ASE_COUNTOF(buf),
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ASE_T("%d"), (int)ASE_LSP_IVAL(obj));
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#else
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#error unsupported size
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#endif
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OUTPUT_STR (lsp, buf);
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break;
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case ASE_LSP_OBJ_REAL:
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lsp->prmfns.misc.sprintf (buf, ASE_COUNTOF(buf),
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ASE_T("%Lf"), (long double)ASE_LSP_RVAL(obj));
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OUTPUT_STR (lsp, buf);
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break;
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case ASE_LSP_OBJ_SYM:
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OUTPUT_STRX (lsp, ASE_LSP_SYMPTR(obj), ASE_LSP_SYMLEN(obj));
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break;
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case ASE_LSP_OBJ_STR:
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OUTPUT_STR (lsp, ASE_T("\""));
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/* TODO: deescaping */
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OUTPUT_STRX (lsp, ASE_LSP_STRPTR(obj), ASE_LSP_STRLEN(obj));
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OUTPUT_STR (lsp, ASE_T("\""));
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break;
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case ASE_LSP_OBJ_CONS:
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{
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const ase_lsp_obj_t* p = obj;
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if (prt_cons_par) OUTPUT_STR (lsp, ASE_T("("));
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do
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{
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ase_lsp_print (lsp, ASE_LSP_CAR(p));
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p = ASE_LSP_CDR(p);
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if (p != lsp->mem->nil)
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{
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OUTPUT_STR (lsp, ASE_T(" "));
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if (ASE_LSP_TYPE(p) != ASE_LSP_OBJ_CONS)
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{
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OUTPUT_STR (lsp, ASE_T(". "));
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ase_lsp_print (lsp, p);
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}
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}
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}
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while (p != lsp->mem->nil && ASE_LSP_TYPE(p) == ASE_LSP_OBJ_CONS);
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if (prt_cons_par) OUTPUT_STR (lsp, ASE_T(")"));
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break;
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}
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case ASE_LSP_OBJ_FUNC:
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/*OUTPUT_STR (lsp, ASE_T("func"));*/
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OUTPUT_STR (lsp, ASE_T("(lambda "));
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if (__print (lsp, ASE_LSP_FFORMAL(obj), ase_true) == -1) return -1;
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OUTPUT_STR (lsp, ASE_T(" "));
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if (__print (lsp, ASE_LSP_FBODY(obj), ase_false) == -1) return -1;
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OUTPUT_STR (lsp, ASE_T(")"));
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break;
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case ASE_LSP_OBJ_MACRO:
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OUTPUT_STR (lsp, ASE_T("(macro "));
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if (__print (lsp, ASE_LSP_FFORMAL(obj), ase_true) == -1) return -1;
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OUTPUT_STR (lsp, ASE_T(" "));
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if (__print (lsp, ASE_LSP_FBODY(obj), ase_false) == -1) return -1;
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OUTPUT_STR (lsp, ASE_T(")"));
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break;
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case ASE_LSP_OBJ_PRIM:
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OUTPUT_STR (lsp, ASE_T("prim"));
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break;
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default:
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lsp->prmfns.misc.sprintf (buf, ASE_COUNTOF(buf),
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ASE_T("unknown object type: %d"), ASE_LSP_TYPE(obj));
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OUTPUT_STR (lsp, buf);
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}
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return 0;
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}
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int ase_lsp_print (ase_lsp_t* lsp, const ase_lsp_obj_t* obj)
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{
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return __print (lsp, obj, ase_true);
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}
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