qse/ase/test/awk/awk.c

887 lines
19 KiB
C

/*
* $Id: awk.c,v 1.174 2007-02-21 04:09:28 bacon Exp $
*/
#include <ase/awk/awk.h>
#include <ase/awk/val.h>
#include <ase/awk/map.h>
#include <ase/utl/ctype.h>
#include <ase/utl/stdio.h>
#include <ase/utl/main.h>
#include <string.h>
#include <signal.h>
#include <stdarg.h>
#include <math.h>
#include <stdlib.h>
#if defined(_WIN32)
#include <windows.h>
#include <tchar.h>
#pragma warning (disable: 4996)
#pragma warning (disable: 4296)
#elif defined(ASE_CHAR_IS_MCHAR)
#include <ctype.h>
#include <locale.h>
#else
#include <wchar.h>
#include <wctype.h>
#include <locale.h>
#endif
#if defined(_WIN32) && defined(_MSC_VER) && defined(_DEBUG)
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif
#if defined(__linux) && defined(_DEBUG)
#include <mcheck.h>
#endif
struct awk_src_io
{
const ase_char_t* input_file;
FILE* input_handle;
};
#if defined(vms) || defined(__vms)
/* it seems that the main function should be placed in the main object file
* in OpenVMS. otherwise, the first function in the main object file seems
* to become the main function resulting in program start-up failure. */
#include <ase/utl/main.c>
#endif
static ase_real_t awk_pow (ase_real_t x, ase_real_t y)
{
return pow (x, y);
}
static void awk_abort (void* custom_data)
{
abort ();
}
static void awk_aprintf (const ase_char_t* fmt, ...)
{
va_list ap;
#ifdef _WIN32
int n;
ase_char_t buf[1024];
#endif
va_start (ap, fmt);
#if defined(_WIN32)
n = _vsntprintf (buf, ASE_COUNTOF(buf), fmt, ap);
if (n < 0) buf[ASE_COUNTOF(buf)-1] = ASE_T('\0');
#if defined(_MSC_VER) && (_MSC_VER<1400)
MessageBox (NULL, buf,
ASE_T("Assertion Failure"), MB_OK|MB_ICONERROR);
#else
MessageBox (NULL, buf,
ASE_T("\uB2DD\uAE30\uB9AC \uC870\uB610"), MB_OK|MB_ICONERROR);
#endif
#else
ase_vprintf (fmt, ap);
#endif
va_end (ap);
}
static void awk_dprintf (const ase_char_t* fmt, ...)
{
va_list ap;
va_start (ap, fmt);
ase_vfprintf (stderr, fmt, ap);
va_end (ap);
}
static ase_ssize_t awk_srcio_in (
int cmd, void* arg, ase_char_t* data, ase_size_t size)
{
struct awk_src_io* src_io = (struct awk_src_io*)arg;
ase_cint_t c;
if (cmd == ASE_AWK_IO_OPEN)
{
if (src_io->input_file == ASE_NULL) return 0;
src_io->input_handle = ase_fopen (src_io->input_file, ASE_T("r"));
if (src_io->input_handle == NULL) return -1;
return 1;
}
else if (cmd == ASE_AWK_IO_CLOSE)
{
if (src_io->input_file == ASE_NULL) return 0;
fclose ((FILE*)src_io->input_handle);
return 0;
}
else if (cmd == ASE_AWK_IO_READ)
{
if (size <= 0) return -1;
c = ase_fgetc ((FILE*)src_io->input_handle);
if (c == ASE_CHAR_EOF) return 0;
*data = (ase_char_t)c;
return 1;
}
return -1;
}
static ase_ssize_t awk_srcio_out (
int cmd, void* arg, ase_char_t* data, ase_size_t size)
{
/*struct awk_src_io* src_io = (struct awk_src_io*)arg;*/
if (cmd == ASE_AWK_IO_OPEN) return 1;
else if (cmd == ASE_AWK_IO_CLOSE)
{
fflush (stdout);
return 0;
}
else if (cmd == ASE_AWK_IO_WRITE)
{
int n = ase_fprintf (stdout, ASE_T("%.*s"), size, data);
if (n < 0) return -1;
return size;
}
return -1;
}
static ase_ssize_t awk_extio_pipe (
int cmd, void* arg, ase_char_t* data, ase_size_t size)
{
ase_awk_extio_t* epa = (ase_awk_extio_t*)arg;
switch (cmd)
{
case ASE_AWK_IO_OPEN:
{
FILE* handle;
const ase_char_t* mode;
if (epa->mode == ASE_AWK_EXTIO_PIPE_READ)
mode = ASE_T("r");
else if (epa->mode == ASE_AWK_EXTIO_PIPE_WRITE)
mode = ASE_T("w");
else return -1; /* TODO: any way to set the error number? */
awk_dprintf (ASE_T("opening %s of type %d (pipe)\n"), epa->name, epa->type);
handle = ase_popen (epa->name, mode);
if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 1;
}
case ASE_AWK_IO_CLOSE:
{
awk_dprintf (ASE_T("closing %s of type (pipe) %d\n"), epa->name, epa->type);
fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
case ASE_AWK_IO_READ:
{
if (ase_fgets (data, size, (FILE*)epa->handle) == ASE_NULL)
{
if (ferror((FILE*)epa->handle)) return -1;
return 0;
}
return ase_awk_strlen(data);
}
case ASE_AWK_IO_WRITE:
{
#if defined(ASE_CHAR_IS_WCHAR) && defined(__linux)
/* fwprintf seems to return an error with the file
* pointer opened by popen, as of this writing.
* anyway, hopefully the following replacement
* will work all the way. */
int n = fprintf (
(FILE*)epa->handle, "%.*ls", size, data);
#else
int n = ase_fprintf (
(FILE*)epa->handle, ASE_T("%.*s"), size, data);
#endif
if (n < 0) return -1;
return size;
}
case ASE_AWK_IO_FLUSH:
{
if (epa->mode == ASE_AWK_EXTIO_PIPE_READ) return -1;
else return 0;
}
case ASE_AWK_IO_NEXT:
{
return -1;
}
}
return -1;
}
static ase_ssize_t awk_extio_file (
int cmd, void* arg, ase_char_t* data, ase_size_t size)
{
ase_awk_extio_t* epa = (ase_awk_extio_t*)arg;
switch (cmd)
{
case ASE_AWK_IO_OPEN:
{
FILE* handle;
const ase_char_t* mode;
if (epa->mode == ASE_AWK_EXTIO_FILE_READ)
mode = ASE_T("r");
else if (epa->mode == ASE_AWK_EXTIO_FILE_WRITE)
mode = ASE_T("w");
else if (epa->mode == ASE_AWK_EXTIO_FILE_APPEND)
mode = ASE_T("a");
else return -1; /* TODO: any way to set the error number? */
awk_dprintf (ASE_T("opening %s of type %d (file)\n"), epa->name, epa->type);
handle = ase_fopen (epa->name, mode);
if (handle == NULL) return -1;
epa->handle = (void*)handle;
return 1;
}
case ASE_AWK_IO_CLOSE:
{
awk_dprintf (ASE_T("closing %s of type %d (file)\n"), epa->name, epa->type);
fclose ((FILE*)epa->handle);
epa->handle = NULL;
return 0;
}
case ASE_AWK_IO_READ:
{
if (ase_fgets (data, size, (FILE*)epa->handle) == ASE_NULL)
{
if (ferror((FILE*)epa->handle)) return -1;
return 0;
}
return ase_awk_strlen(data);
}
case ASE_AWK_IO_WRITE:
{
int n = ase_fprintf (
(FILE*)epa->handle, ASE_T("%.*s"), size, data);
if (n < 0) return -1;
return size;
}
case ASE_AWK_IO_FLUSH:
{
if (fflush ((FILE*)epa->handle) == EOF) return -1;
return 0;
}
case ASE_AWK_IO_NEXT:
{
return -1;
}
}
return -1;
}
static int open_extio_console (ase_awk_extio_t* epa);
static int close_extio_console (ase_awk_extio_t* epa);
static int next_extio_console (ase_awk_extio_t* epa);
static ase_size_t infile_no = 0;
static const ase_char_t* infiles[1000] =
{
ASE_T(""),
ASE_NULL
};
static ase_ssize_t awk_extio_console (
int cmd, void* arg, ase_char_t* data, ase_size_t size)
{
ase_awk_extio_t* epa = (ase_awk_extio_t*)arg;
if (cmd == ASE_AWK_IO_OPEN)
{
return open_extio_console (epa);
}
else if (cmd == ASE_AWK_IO_CLOSE)
{
return close_extio_console (epa);
}
else if (cmd == ASE_AWK_IO_READ)
{
while (ase_fgets (data, size, (FILE*)epa->handle) == ASE_NULL)
{
if (ferror((FILE*)epa->handle)) return -1;
/* it has reached the end of the current file.
* open the next file if available */
if (infiles[infile_no] == ASE_NULL)
{
/* no more input console */
/* is this correct??? */
/*
if (epa->handle != ASE_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr)
{
fclose ((FILE*)epa->handle);
}
epa->handle = ASE_NULL;
*/
return 0;
}
if (infiles[infile_no][0] == ASE_T('\0'))
{
if (epa->handle != ASE_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr)
{
fclose ((FILE*)epa->handle);
}
epa->handle = stdin;
}
else
{
FILE* fp = ase_fopen (infiles[infile_no], ASE_T("r"));
if (fp == ASE_NULL)
{
awk_dprintf (ASE_T("failed to open the next console of type %x - fopen failure\n"), epa->type);
return -1;
}
if (epa->handle != ASE_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr)
{
fclose ((FILE*)epa->handle);
}
awk_dprintf (ASE_T("open the next console [%s]\n"), infiles[infile_no]);
epa->handle = fp;
}
infile_no++;
}
return ase_awk_strlen(data);
}
else if (cmd == ASE_AWK_IO_WRITE)
{
int n = ase_fprintf (
(FILE*)epa->handle, ASE_T("%.*s"), size, data);
if (n < 0) return -1;
return size;
}
else if (cmd == ASE_AWK_IO_FLUSH)
{
if (fflush ((FILE*)epa->handle) == EOF) return -1;
return 0;
}
else if (cmd == ASE_AWK_IO_NEXT)
{
return next_extio_console (epa);
}
return -1;
}
static int open_extio_console (ase_awk_extio_t* epa)
{
/* TODO: OpenConsole in GUI APPLICATION */
awk_dprintf (ASE_T("opening console[%s] of type %x\n"), epa->name, epa->type);
if (epa->mode == ASE_AWK_EXTIO_CONSOLE_READ)
{
if (infiles[infile_no] == ASE_NULL)
{
/* no more input file */
awk_dprintf (ASE_T("console - no more file\n"));;
return 0;
}
if (infiles[infile_no][0] == ASE_T('\0'))
{
awk_dprintf (ASE_T(" console(r) - <standard input>\n"));
epa->handle = stdin;
}
else
{
/* a temporary variable fp is used here not to change
* any fields of epa when the open operation fails */
FILE* fp = ase_fopen (infiles[infile_no], ASE_T("r"));
if (fp == ASE_NULL)
{
awk_dprintf (ASE_T("cannot open console of type %x - fopen failure\n"), epa->type);
return -1;
}
awk_dprintf (ASE_T(" console(r) - %s\n"), infiles[infile_no]);
if (ase_awk_setfilename (
epa->run, infiles[infile_no],
ase_awk_strlen(infiles[infile_no])) == -1)
{
fclose (fp);
return -1;
}
epa->handle = fp;
}
infile_no++;
return 1;
}
else if (epa->mode == ASE_AWK_EXTIO_CONSOLE_WRITE)
{
awk_dprintf (ASE_T(" console(w) - <standard output>\n"));
/* TODO: does output console has a name??? */
/*ase_awk_setconsolename (ASE_T(""));*/
epa->handle = stdout;
return 1;
}
return -1;
}
static int close_extio_console (ase_awk_extio_t* epa)
{
awk_dprintf (ASE_T("closing console of type %x\n"), epa->type);
if (epa->handle != ASE_NULL &&
epa->handle != stdin &&
epa->handle != stdout &&
epa->handle != stderr)
{
fclose ((FILE*)epa->handle);
}
/* TODO: CloseConsole in GUI APPLICATION */
return 0;
}
static int next_extio_console (ase_awk_extio_t* epa)
{
int n;
FILE* fp = (FILE*)epa->handle;
awk_dprintf (ASE_T("switching console[%s] of type %x\n"), epa->name, epa->type);
n = open_extio_console(epa);
if (n == -1) return -1;
if (n == 0)
{
/* if there is no more file, keep the previous handle */
return 0;
}
if (fp != ASE_NULL && fp != stdin &&
fp != stdout && fp != stderr) fclose (fp);
return n;
}
ase_awk_t* app_awk = NULL;
ase_awk_run_t* app_run = NULL;
#ifdef _WIN32
static BOOL WINAPI stop_run (DWORD ctrl_type)
{
if (ctrl_type == CTRL_C_EVENT ||
ctrl_type == CTRL_CLOSE_EVENT)
{
ase_awk_stop (ase_awk_getrunawk(app_run), app_run);
return TRUE;
}
return FALSE;
}
#else
static void stop_run (int sig)
{
signal (SIGINT, SIG_IGN);
ase_awk_stop (ase_awk_getrunawk(app_run), app_run);
/*ase_awk_stopall (app_awk); */
/*ase_awk_stopall (ase_awk_getrunawk(app_run)); */
signal (SIGINT, stop_run);
}
#endif
static void on_run_start (ase_awk_run_t* run, void* custom_data)
{
app_run = run;
awk_dprintf (ASE_T("[AWK ABOUT TO START]\n"));
}
static int __printval (ase_awk_pair_t* pair, void* arg)
{
ase_awk_run_t* run = (ase_awk_run_t*)arg;
awk_dprintf (ASE_T("%s = "), (const ase_char_t*)pair->key);
ase_awk_dprintval (run, (ase_awk_val_t*)pair->val);
awk_dprintf (ASE_T("\n"));
return 0;
}
static void on_run_return (
ase_awk_run_t* run, ase_awk_val_t* ret, void* custom_data)
{
app_run = run;
awk_dprintf (ASE_T("[RETURN] - "));
ase_awk_dprintval (run, ret);
awk_dprintf (ASE_T("\n"));
awk_dprintf (ASE_T("[NAMED VARIABLES]\n"));
ase_awk_map_walk (ase_awk_getrunnamedvarmap(run), __printval, run);
awk_dprintf (ASE_T("[END NAMED VARIABLES]\n"));
}
static void on_run_end (ase_awk_run_t* run, int errnum, void* custom_data)
{
if (errnum != ASE_AWK_ENOERR)
{
awk_dprintf (ASE_T("[AWK ENDED WITH AN ERROR] - "));
awk_dprintf (ASE_T("CODE [%d] LINE [%u] %s\n"),
errnum,
(unsigned int)ase_awk_getrunerrlin(run),
ase_awk_getrunerrmsg(run));
}
else awk_dprintf (ASE_T("[AWK ENDED SUCCESSFULLY]\n"));
app_run = NULL;
}
#ifdef _WIN32
typedef struct prmfns_data_t prmfns_data_t;
struct prmfns_data_t
{
HANDLE heap;
};
#endif
static void* awk_malloc (ase_size_t n, void* custom_data)
{
#ifdef _WIN32
return HeapAlloc (((prmfns_data_t*)custom_data)->heap, 0, n);
#else
return malloc (n);
#endif
}
static void* awk_realloc (void* ptr, ase_size_t n, void* custom_data)
{
#ifdef _WIN32
/* HeapReAlloc behaves differently from realloc */
if (ptr == NULL)
return HeapAlloc (((prmfns_data_t*)custom_data)->heap, 0, n);
else
return HeapReAlloc (((prmfns_data_t*)custom_data)->heap, 0, ptr, n);
#else
return realloc (ptr, n);
#endif
}
static void awk_free (void* ptr, void* custom_data)
{
#ifdef _WIN32
HeapFree (((prmfns_data_t*)custom_data)->heap, 0, ptr);
#else
free (ptr);
#endif
}
static void* awk_memcpy (void* dst, const void* src, ase_size_t n)
{
return memcpy (dst, src, n);
}
static void* awk_memset (void* dst, int val, ase_size_t n)
{
return memset (dst, val, n);
}
static void print_usage (const ase_char_t* argv0)
{
ase_printf (ASE_T("Usage: %s [-m] [-d] [-a argument]* -f source-file [data-file]*\n"), argv0);
}
static int awk_main (int argc, ase_char_t* argv[])
{
ase_awk_t* awk;
ase_awk_srcios_t srcios;
ase_awk_runcbs_t runcbs;
ase_awk_runios_t runios;
ase_awk_prmfns_t prmfns;
struct awk_src_io src_io = { NULL, NULL };
int opt, i, file_count = 0, errnum;
#ifdef _WIN32
prmfns_data_t prmfns_data;
#endif
const ase_char_t* mfn = ASE_NULL;
int mode = 0;
int runarg_count = 0;
ase_awk_runarg_t runarg[128];
int deparse = 0;
opt = ASE_AWK_IMPLICIT |
ASE_AWK_EXPLICIT |
ASE_AWK_UNIQUEFN |
ASE_AWK_IDIV |
ASE_AWK_SHADING |
ASE_AWK_SHIFT |
ASE_AWK_EXTIO |
/*ASE_AWK_COPROC |*/
ASE_AWK_BLOCKLESS |
ASE_AWK_STRBASEONE |
ASE_AWK_STRIPSPACES |
ASE_AWK_NEXTOFILE;
if (argc <= 1)
{
print_usage (argv[0]);
return -1;
}
for (i = 1; i < argc; i++)
{
if (mode == 0)
{
if (ase_awk_strcmp(argv[i], ASE_T("-m")) == 0)
{
mfn = ASE_T("main");
}
else if (ase_awk_strcmp(argv[i], ASE_T("-d")) == 0)
{
deparse = 1;
}
else if (ase_awk_strcmp(argv[i], ASE_T("-f")) == 0)
{
/* specify source file */
mode = 1;
}
else if (ase_awk_strcmp(argv[i], ASE_T("-a")) == 0)
{
/* specify arguments */
mode = 2;
}
else if (argv[i][0] == ASE_T('-'))
{
print_usage (argv[0]);
return -1;
}
else if (file_count < ASE_COUNTOF(infiles)-1)
{
infiles[file_count] = argv[i];
file_count++;
}
else
{
print_usage (argv[0]);
return -1;
}
}
else if (mode == 1) /* source mode */
{
if (argv[i][0] == ASE_T('-'))
{
print_usage (argv[0]);
return -1;
}
if (src_io.input_file != NULL)
{
print_usage (argv[0]);
return -1;
}
src_io.input_file = argv[i];
mode = 0;
}
else if (mode == 2) /* argument mode */
{
if (argv[i][0] == ASE_T('-'))
{
print_usage (argv[0]);
return -1;
}
if (runarg_count >= ASE_COUNTOF(runarg)-1)
{
print_usage (argv[0]);
return -1;
}
runarg[runarg_count].ptr = argv[i];
runarg[runarg_count].len = ase_awk_strlen(argv[i]);
runarg_count++;
mode = 0;
}
}
infiles[file_count] = ASE_NULL;
runarg[runarg_count].ptr = NULL;
runarg[runarg_count].len = 0;
if (mode != 0 || src_io.input_file == NULL)
{
print_usage (argv[0]);
return -1;
}
memset (&prmfns, 0, ASE_SIZEOF(prmfns));
prmfns.malloc = awk_malloc;
prmfns.realloc = awk_realloc;
prmfns.free = awk_free;
prmfns.memcpy = awk_memcpy;
prmfns.memset = awk_memset;
prmfns.is_upper = (ase_awk_isctype_t)ase_isupper;
prmfns.is_lower = (ase_awk_isctype_t)ase_islower;
prmfns.is_alpha = (ase_awk_isctype_t)ase_isalpha;
prmfns.is_digit = (ase_awk_isctype_t)ase_isdigit;
prmfns.is_xdigit = (ase_awk_isctype_t)ase_isxdigit;
prmfns.is_alnum = (ase_awk_isctype_t)ase_isalnum;
prmfns.is_space = (ase_awk_isctype_t)ase_isspace;
prmfns.is_print = (ase_awk_isctype_t)ase_isprint;
prmfns.is_graph = (ase_awk_isctype_t)ase_isgraph;
prmfns.is_cntrl = (ase_awk_isctype_t)ase_iscntrl;
prmfns.is_punct = (ase_awk_isctype_t)ase_ispunct;
prmfns.to_upper = (ase_awk_toctype_t)ase_toupper;
prmfns.to_lower = (ase_awk_toctype_t)ase_tolower;
prmfns.pow = awk_pow;
prmfns.sprintf = ase_sprintf;
prmfns.aprintf = awk_aprintf;
prmfns.dprintf = awk_dprintf;
prmfns.abort = awk_abort;
prmfns.lock = NULL;
prmfns.unlock = NULL;
#ifdef _WIN32
prmfns_data.heap = HeapCreate (0, 1000000, 1000000);
if (prmfns_data.heap == NULL)
{
ase_printf (ASE_T("Error: cannot create an awk heap\n"));
return -1;
}
prmfns.custom_data = &prmfns_data;
#endif
if ((awk = ase_awk_open(&prmfns, ASE_NULL, &errnum)) == ASE_NULL)
{
#ifdef _WIN32
HeapDestroy (prmfns_data.heap);
#endif
ase_printf (
ASE_T("ERROR: cannot open awk [%d] %s\n"),
errnum, ase_awk_geterrstr(errnum));
return -1;
}
app_awk = awk;
ase_awk_setoption (awk, opt);
srcios.in = awk_srcio_in;
srcios.out = deparse? awk_srcio_out: NULL;
srcios.custom_data = &src_io;
ase_awk_setmaxdepth (
awk, ASE_AWK_DEPTH_BLOCK_PARSE | ASE_AWK_DEPTH_EXPR_PARSE, 20);
ase_awk_setmaxdepth (
awk, ASE_AWK_DEPTH_BLOCK_RUN | ASE_AWK_DEPTH_EXPR_RUN, 50);
if (ase_awk_parse (awk, &srcios) == -1)
{
int errnum = ase_awk_geterrnum(awk);
ase_printf (
ASE_T("ERROR: cannot parse program - line %u [%d] %s\n"),
(unsigned int)ase_awk_geterrlin(awk),
errnum, ase_awk_geterrmsg(awk));
ase_awk_close (awk);
return -1;
}
#ifdef _WIN32
SetConsoleCtrlHandler (stop_run, TRUE);
#else
signal (SIGINT, stop_run);
#endif
runios.pipe = awk_extio_pipe;
runios.coproc = ASE_NULL;
runios.file = awk_extio_file;
runios.console = awk_extio_console;
runcbs.on_start = on_run_start;
runcbs.on_return = on_run_return;
runcbs.on_end = on_run_end;
runcbs.custom_data = ASE_NULL;
if (ase_awk_run (awk, mfn, &runios, &runcbs, runarg, ASE_NULL) == -1)
{
int errnum = ase_awk_geterrnum(awk);
ase_printf (
ASE_T("error: cannot run program - [%d] %s\n"),
errnum, ase_awk_geterrstr(errnum));
ase_awk_close (awk);
return -1;
}
ase_awk_close (awk);
#ifdef _WIN32
HeapDestroy (prmfns_data.heap);
#endif
return 0;
}
int ase_main (int argc, ase_char_t* argv[])
{
int n;
#if defined(__linux) && defined(_DEBUG)
mtrace ();
#endif
/*#if defined(_WIN32) && defined(_MSC_VER) && defined(_DEBUG)
_CrtSetDbgFlag (_CRTDBG_LEAK_CHECK_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF);
#endif*/
n = awk_main (argc, argv);
#if defined(__linux) && defined(_DEBUG)
muntrace ();
#endif
#if defined(_WIN32) && defined(_DEBUG)
#if defined(_MSC_VER)
_CrtDumpMemoryLeaks ();
#endif
_tprintf (_T("Press ENTER to quit\n"));
getchar ();
#endif
return n;
}