325 lines
6.2 KiB
C
325 lines
6.2 KiB
C
#include <ase/lsp/lsp.h>
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#include <ase/utl/ctype.h>
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#include <ase/utl/stdio.h>
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#include <ase/utl/main.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef _WIN32
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#include <windows.h>
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#include <tchar.h>
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#endif
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#if defined(_WIN32) && defined(_MSC_VER) && defined(_DEBUG)
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#define _CRTDBG_MAP_ALLOC
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#include <crtdbg.h>
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#endif
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#ifdef __linux
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#include <mcheck.h>
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#endif
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#if defined(vms) || defined(__vms)
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/* it seems that the main function should be placed in the main object file
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* in OpenVMS. otherwise, the first function in the main object file seems
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* to become the main function resulting in program start-up failure. */
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#include <ase/utl/main.c>
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#endif
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static ase_ssize_t get_input (
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int cmd, void* arg, ase_char_t* data, ase_size_t size)
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{
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switch (cmd)
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{
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case ASE_LSP_IO_OPEN:
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case ASE_LSP_IO_CLOSE:
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return 0;
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case ASE_LSP_IO_READ:
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{
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/*
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if (ase_fgets (data, size, stdin) == ASE_NULL)
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{
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if (ferror(stdin)) return -1;
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return 0;
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}
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return ase_lsp_strlen(data);
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*/
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ase_cint_t c;
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if (size <= 0) return -1;
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c = ase_fgetc (stdin);
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if (c == ASE_CHAR_EOF)
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{
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if (ferror(stdin)) return -1;
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return 0;
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}
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data[0] = c;
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return 1;
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}
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}
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return -1;
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}
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static ase_ssize_t put_output (
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int cmd, void* arg, ase_char_t* data, ase_size_t size)
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{
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switch (cmd)
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{
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case ASE_LSP_IO_OPEN:
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case ASE_LSP_IO_CLOSE:
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return 0;
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case ASE_LSP_IO_WRITE:
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{
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int n = ase_fprintf (
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stdout, ASE_T("%.*s"), size, data);
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if (n < 0) return -1;
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return size;
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}
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}
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return -1;
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}
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#ifdef _WIN32
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typedef struct prmfns_data_t prmfns_data_t;
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struct prmfns_data_t
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{
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HANDLE heap;
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};
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#endif
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static void* lsp_malloc (ase_size_t n, void* custom_data)
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{
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#ifdef _WIN32
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return HeapAlloc (((prmfns_data_t*)custom_data)->heap, 0, n);
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#else
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return malloc (n);
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#endif
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}
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static void* lsp_realloc (void* ptr, ase_size_t n, void* custom_data)
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{
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#ifdef _WIN32
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/* HeapReAlloc behaves differently from realloc */
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if (ptr == NULL)
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return HeapAlloc (((prmfns_data_t*)custom_data)->heap, 0, n);
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else
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return HeapReAlloc (((prmfns_data_t*)custom_data)->heap, 0, ptr, n);
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#else
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return realloc (ptr, n);
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#endif
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}
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static void lsp_free (void* ptr, void* custom_data)
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{
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#ifdef _WIN32
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HeapFree (((prmfns_data_t*)custom_data)->heap, 0, ptr);
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#else
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free (ptr);
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#endif
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}
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static void* lsp_memcpy (void* dst, const void* src, ase_size_t n)
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{
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return memcpy (dst, src, n);
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}
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static void* lsp_memset (void* dst, int val, ase_size_t n)
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{
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return memset (dst, val, n);
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}
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static void lsp_abort (void* custom_data)
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{
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abort ();
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}
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static void lsp_aprintf (const ase_char_t* fmt, ...)
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{
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va_list ap;
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#ifdef _WIN32
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int n;
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ase_char_t buf[1024];
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#endif
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va_start (ap, fmt);
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#if defined(_WIN32)
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n = _vsntprintf (buf, ASE_COUNTOF(buf), fmt, ap);
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if (n < 0) buf[ASE_COUNTOF(buf)-1] = ASE_T('\0');
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#if defined(_MSC_VER) && (_MSC_VER<1400)
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MessageBox (NULL, buf,
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ASE_T("Assertion Failure"), MB_OK|MB_ICONERROR);
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#else
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MessageBox (NULL, buf,
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ASE_T("\uB2DD\uAE30\uB9AC \uC870\uB610"), MB_OK|MB_ICONERROR);
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#endif
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#else
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ase_vprintf (fmt, ap);
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#endif
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va_end (ap);
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}
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static void lsp_dprintf (const ase_char_t* fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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ase_vfprintf (stderr, fmt, ap);
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va_end (ap);
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}
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int lsp_main (int argc, ase_char_t* argv[])
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{
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ase_lsp_t* lsp;
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ase_lsp_obj_t* obj;
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int mem, inc;
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ase_lsp_prmfns_t prmfns;
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#ifdef _WIN32
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prmfns_data_t prmfns_data;
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#endif
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mem = 1000;
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inc = 1000;
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if (mem <= 0)
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{
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ase_printf (ASE_T("error: invalid memory size given\n"));
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return -1;
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}
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memset (&prmfns, 0, sizeof(prmfns));
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prmfns.malloc = lsp_malloc;
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prmfns.realloc = lsp_realloc;
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prmfns.free = lsp_free;
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prmfns.memcpy = lsp_memcpy;
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prmfns.memset = lsp_memset;
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prmfns.is_upper = (ase_lsp_isctype_t)ase_isupper;
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prmfns.is_lower = (ase_lsp_isctype_t)ase_islower;
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prmfns.is_alpha = (ase_lsp_isctype_t)ase_isalpha;
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prmfns.is_digit = (ase_lsp_isctype_t)ase_isdigit;
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prmfns.is_xdigit = (ase_lsp_isctype_t)ase_isxdigit;
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prmfns.is_alnum = (ase_lsp_isctype_t)ase_isalnum;
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prmfns.is_space = (ase_lsp_isctype_t)ase_isspace;
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prmfns.is_print = (ase_lsp_isctype_t)ase_isprint;
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prmfns.is_graph = (ase_lsp_isctype_t)ase_isgraph;
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prmfns.is_cntrl = (ase_lsp_isctype_t)ase_iscntrl;
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prmfns.is_punct = (ase_lsp_isctype_t)ase_ispunct;
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prmfns.to_upper = (ase_lsp_toctype_t)ase_toupper;
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prmfns.to_lower = (ase_lsp_toctype_t)ase_tolower;
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prmfns.sprintf = ase_sprintf;
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prmfns.aprintf = lsp_aprintf;
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prmfns.dprintf = lsp_dprintf;
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prmfns.abort = lsp_abort;
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#ifdef _WIN32
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prmfns_data.heap = HeapCreate (0, 1000000, 1000000);
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if (prmfns_data.heap == NULL)
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{
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ase_printf (ASE_T("Error: cannot create an lsp heap\n"));
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return -1;
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}
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prmfns.custom_data = &prmfns_data;
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#endif
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lsp = ase_lsp_open (&prmfns, mem, inc);
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if (lsp == ASE_NULL)
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{
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#ifdef _WIN32
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HeapDestroy (prmfns_data.heap);
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#endif
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ase_printf (ASE_T("error: cannot create a lsp instance\n"));
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return -1;
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}
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ase_printf (ASE_T("ASELSP 0.0001\n"));
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ase_lsp_attinput (lsp, get_input, ASE_NULL);
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ase_lsp_attoutput (lsp, put_output, ASE_NULL);
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while (1)
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{
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ase_printf (ASE_T("ASELSP $ "));
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fflush (stdout);
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obj = ase_lsp_read (lsp);
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if (obj == ASE_NULL)
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{
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int errnum;
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const ase_char_t* errmsg;
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ase_lsp_geterror (lsp, &errnum, &errmsg);
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if (errnum != ASE_LSP_EEND &&
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errnum != ASE_LSP_EEXIT)
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{
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ase_printf (
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ASE_T("error in read: [%d] %s\n"),
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errnum, errmsg);
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}
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/* TODO: change the following check */
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if (errnum < ASE_LSP_ESYNTAX) break;
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continue;
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}
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if ((obj = ase_lsp_eval (lsp, obj)) != ASE_NULL)
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{
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ase_lsp_print (lsp, obj);
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ase_printf (ASE_T("\n"));
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}
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else
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{
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int errnum;
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const ase_char_t* errmsg;
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ase_lsp_geterror (lsp, &errnum, &errmsg);
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if (errnum == ASE_LSP_EEXIT) break;
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ase_printf (
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ASE_T("error in eval: [%d] %s\n"),
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errnum, errmsg);
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}
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}
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ase_lsp_close (lsp);
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#ifdef _WIN32
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HeapDestroy (prmfns_data.heap);
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#endif
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return 0;
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}
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int ase_main (int argc, ase_char_t* argv[])
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{
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int n;
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#if defined(__linux) && defined(_DEBUG)
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mtrace ();
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#endif
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n = lsp_main (argc, argv);
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#if defined(__linux) && defined(_DEBUG)
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muntrace ();
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#endif
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#if defined(_WIN32) && defined(_MSC_VER) && defined(_DEBUG)
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_CrtDumpMemoryLeaks ();
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wprintf (L"Press ENTER to quit\n");
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getchar ();
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#endif
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return n;
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}
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