684 lines
14 KiB
C
684 lines
14 KiB
C
/*
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* $Id: awk.c 499 2008-12-16 09:42:48Z baconevi $
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*
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Copyright 2006-2009 Chung, Hyung-Hwan.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <qse/awk/awk.h>
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#include <qse/cmn/sll.h>
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#include <qse/cmn/mem.h>
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#include <qse/cmn/chr.h>
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#include <qse/cmn/opt.h>
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#include <qse/utl/stdio.h>
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#include <qse/utl/main.h>
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#include <string.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#define ABORT(label) goto label
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#if defined(_WIN32)
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# include <windows.h>
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# include <tchar.h>
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# include <process.h>
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# if 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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#else
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# include <unistd.h>
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# include <errno.h>
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#endif
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static qse_awk_rtx_t* app_rtx = NULL;
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static int app_debug = 0;
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struct argout_t
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{
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void* isp; /* input source files or string */
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int ist; /* input source type */
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qse_size_t isfl; /* the number of input source files */
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qse_char_t* osf; /* output source file */
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qse_char_t** icf; /* input console files */
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qse_size_t icfl; /* the number of input console files */
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qse_map_t* vm; /* global variable map */
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qse_char_t* fs; /* field separator */
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};
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static void dprint (const qse_char_t* fmt, ...)
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{
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if (app_debug)
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{
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va_list ap;
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va_start (ap, fmt);
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qse_vfprintf (stderr, fmt, ap);
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va_end (ap);
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}
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}
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#ifdef _WIN32
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static BOOL WINAPI stop_run (DWORD ctrl_type)
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{
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if (ctrl_type == CTRL_C_EVENT ||
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ctrl_type == CTRL_CLOSE_EVENT)
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{
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qse_awk_rtx_stop (app_rtx);
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return TRUE;
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}
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return FALSE;
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}
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#else
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static int setsignal (int sig, void(*handler)(int), int restart)
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{
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struct sigaction sa_int;
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sa_int.sa_handler = handler;
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sigemptyset (&sa_int.sa_mask);
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sa_int.sa_flags = 0;
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if (restart)
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{
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#ifdef SA_RESTART
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sa_int.sa_flags |= SA_RESTART;
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#endif
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}
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else
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{
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#ifdef SA_INTERRUPT
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sa_int.sa_flags |= SA_INTERRUPT;
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#endif
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}
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return sigaction (sig, &sa_int, NULL);
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}
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static void stop_run (int sig)
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{
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int e = errno;
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qse_awk_rtx_stop (app_rtx);
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errno = e;
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}
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#endif
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static void set_intr_run (void)
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{
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#ifdef _WIN32
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SetConsoleCtrlHandler (stop_run, TRUE);
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#else
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/*setsignal (SIGINT, stop_run, 1); TO BE MORE COMPATIBLE WITH WIN32*/
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setsignal (SIGINT, stop_run, 0);
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#endif
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}
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static void unset_intr_run (void)
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{
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#ifdef _WIN32
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SetConsoleCtrlHandler (stop_run, FALSE);
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#else
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setsignal (SIGINT, SIG_DFL, 1);
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#endif
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}
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static qse_map_walk_t print_awk_value (
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qse_map_t* map, qse_map_pair_t* pair, void* arg)
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{
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qse_awk_rtx_t* run = (qse_awk_rtx_t*)arg;
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qse_char_t* str;
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qse_size_t len;
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str = qse_awk_rtx_valtostr (run, QSE_MAP_VPTR(pair), 0, QSE_NULL, &len);
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if (str == QSE_NULL)
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{
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dprint (QSE_T("***OUT OF MEMORY***\n"));
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}
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else
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{
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dprint (QSE_T("%.*s = %.*s\n"),
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(int)QSE_MAP_KLEN(pair), QSE_MAP_KPTR(pair),
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(int)len, str);
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qse_awk_free (qse_awk_rtx_getawk(run), str);
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}
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return QSE_MAP_WALK_FORWARD;
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}
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static void on_run_statement (
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qse_awk_rtx_t* run, qse_size_t line, void* data)
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{
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/*dprint (L"running %d\n", (int)line);*/
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}
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static int on_run_enter (qse_awk_rtx_t* rtx, void* data)
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{
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struct argout_t* ao = (struct argout_t*)data;
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if (ao->fs != QSE_NULL)
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{
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qse_awk_val_t* fs;
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/* compose a string value to use to set FS to */
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fs = qse_awk_rtx_makestrval0 (rtx, ao->fs);
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if (fs == QSE_NULL) return -1;
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/* change FS according to the command line argument */
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qse_awk_rtx_refupval (rtx, fs);
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qse_awk_rtx_setgbl (rtx, QSE_AWK_GBL_FS, fs);
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qse_awk_rtx_refdownval (rtx, fs);
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}
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return 0;
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}
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static void on_run_exit (
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qse_awk_rtx_t* rtx, qse_awk_val_t* ret, void* data)
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{
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qse_size_t len;
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qse_char_t* str;
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if (ret == qse_awk_val_nil)
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{
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dprint (QSE_T("[RETURN] - ***nil***\n"));
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}
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else
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{
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str = qse_awk_rtx_valtostr (rtx, ret, 0, QSE_NULL, &len);
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if (str == QSE_NULL)
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{
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dprint (QSE_T("[RETURN] - ***OUT OF MEMORY***\n"));
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}
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else
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{
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dprint (QSE_T("[RETURN] - [%.*s]\n"), (int)len, str);
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qse_awk_free (qse_awk_rtx_getawk(rtx), str);
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}
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}
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dprint (QSE_T("[NAMED VARIABLES]\n"));
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qse_map_walk (qse_awk_rtx_getnvmap(rtx), print_awk_value, rtx);
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dprint (QSE_T("[END NAMED VARIABLES]\n"));
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}
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/* TODO: remove otab... */
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static struct
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{
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const qse_char_t* name;
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int opt;
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} otab[] =
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{
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{ QSE_T("implicit"), QSE_AWK_IMPLICIT },
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{ QSE_T("explicit"), QSE_AWK_EXPLICIT },
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{ QSE_T("bxor"), QSE_AWK_BXOR },
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{ QSE_T("shift"), QSE_AWK_SHIFT },
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{ QSE_T("idiv"), QSE_AWK_IDIV },
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{ QSE_T("rio"), QSE_AWK_RIO },
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{ QSE_T("rwpipe"), QSE_AWK_RWPIPE },
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{ QSE_T("newline"), QSE_AWK_NEWLINE },
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{ QSE_T("stripspaces"), QSE_AWK_STRIPSPACES },
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{ QSE_T("nextofile"), QSE_AWK_NEXTOFILE },
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{ QSE_T("crfl"), QSE_AWK_CRLF },
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{ QSE_T("reset"), QSE_AWK_RESET },
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{ QSE_T("maptovar"), QSE_AWK_MAPTOVAR },
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{ QSE_T("pablock"), QSE_AWK_PABLOCK }
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};
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static void print_usage (const qse_char_t* argv0)
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{
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int j;
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qse_printf (QSE_T("Usage: %s [options] -f sourcefile [ -- ] [datafile]*\n"), argv0);
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qse_printf (QSE_T(" %s [options] [ -- ] sourcestring [datafile]*\n"), argv0);
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qse_printf (QSE_T("Where options are:\n"));
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qse_printf (QSE_T(" -h print this message\n"));
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qse_printf (QSE_T(" -d show extra information\n"));
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qse_printf (QSE_T(" -f/--file sourcefile set the source script file\n"));
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qse_printf (QSE_T(" -o/--deparsed-file deparsedfile set the deparsing output file\n"));
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qse_printf (QSE_T(" -F/--field-separator string set a field separator(FS)\n"));
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qse_printf (QSE_T("\nYou may specify the following options to change the behavior of the interpreter.\n"));
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for (j = 0; j < QSE_COUNTOF(otab); j++)
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{
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qse_printf (QSE_T(" -%-20s -no%-20s\n"), otab[j].name, otab[j].name);
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}
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}
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static int fnc_sleep (
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qse_awk_rtx_t* run, const qse_char_t* fnm, qse_size_t fnl)
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{
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qse_size_t nargs;
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qse_awk_val_t* a0;
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qse_long_t lv;
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qse_real_t rv;
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qse_awk_val_t* r;
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int n;
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nargs = qse_awk_rtx_getnargs (run);
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QSE_ASSERT (nargs == 1);
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a0 = qse_awk_rtx_getarg (run, 0);
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n = qse_awk_rtx_valtonum (run, a0, &lv, &rv);
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if (n == -1) return -1;
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if (n == 1) lv = (qse_long_t)rv;
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#ifdef _WIN32
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Sleep ((DWORD)(lv * 1000));
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n = 0;
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#else
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n = sleep (lv);
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#endif
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r = qse_awk_rtx_makeintval (run, n);
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if (r == QSE_NULL)
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{
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qse_awk_rtx_seterrnum (run, QSE_AWK_ENOMEM);
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return -1;
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}
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qse_awk_rtx_setretval (run, r);
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return 0;
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}
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static void out_of_memory (void)
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{
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qse_fprintf (QSE_STDERR, QSE_T("Error: out of memory\n"));
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}
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static int handle_args (int argc, qse_char_t* argv[], struct argout_t* ao)
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{
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static qse_opt_lng_t lng[] =
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{
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{ QSE_T("implicit"), 0 },
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{ QSE_T("explicit"), 0 },
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{ QSE_T("bxor"), 0 },
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{ QSE_T("shift"), 0 },
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{ QSE_T("idiv"), 0 },
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{ QSE_T("extio"), 0 },
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{ QSE_T("newline"), 0 },
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{ QSE_T("baseone"), 0 },
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{ QSE_T("stripspaces"), 0 },
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{ QSE_T("nextofile"), 0 },
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{ QSE_T("crlf"), 0 },
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{ QSE_T("argstomain"), 0 },
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{ QSE_T("reset"), 0 },
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{ QSE_T("maptovar"), 0 },
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{ QSE_T("pablock"), 0 },
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{ QSE_T(":main"), QSE_T('m') },
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{ QSE_T(":file"), QSE_T('f') },
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{ QSE_T(":field-separator"), QSE_T('F') },
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{ QSE_T(":deparsed-file"), QSE_T('o') },
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{ QSE_T(":assign"), QSE_T('v') },
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{ QSE_T("help"), QSE_T('h') }
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};
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static qse_opt_t opt =
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{
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QSE_T("hdm:f:F:o:v:"),
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lng
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};
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qse_cint_t c;
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qse_size_t isfc = 16; /* the capacity of isf */
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qse_size_t isfl = 0; /* number of input source files */
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qse_size_t icfc = 0; /* the capacity of icf */
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qse_size_t icfl = 0; /* the number of input console files */
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qse_char_t** isf = QSE_NULL; /* input source files */
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qse_char_t* osf = QSE_NULL; /* output source file */
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qse_char_t** icf = QSE_NULL; /* input console files */
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qse_map_t* vm = QSE_NULL; /* global variable map */
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qse_char_t* fs = QSE_NULL; /* field separator */
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memset (ao, 0, QSE_SIZEOF(*ao));
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isf = (qse_char_t**) malloc (QSE_SIZEOF(*isf) * isfc);
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if (isf == QSE_NULL)
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{
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out_of_memory ();
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ABORT (oops);
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}
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vm = qse_map_open (QSE_NULL, 0, 30, 70);
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if (vm == QSE_NULL)
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{
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out_of_memory ();
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ABORT (oops);
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}
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qse_map_setcopier (vm, QSE_MAP_KEY, QSE_MAP_COPIER_INLINE);
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qse_map_setcopier (vm, QSE_MAP_VAL, QSE_MAP_COPIER_INLINE);
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qse_map_setscale (vm, QSE_MAP_KEY, QSE_SIZEOF(qse_char_t));
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qse_map_setscale (vm, QSE_MAP_VAL, QSE_SIZEOF(qse_char_t));
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while ((c = qse_getopt (argc, argv, &opt)) != QSE_CHAR_EOF)
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{
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switch (c)
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{
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case 0:
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qse_printf (QSE_T(">>> [%s] [%s]\n"), opt.lngopt, opt.arg);
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break;
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case QSE_T('h'):
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print_usage (argv[0]);
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if (isf != QSE_NULL) free (isf);
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if (vm != QSE_NULL) qse_map_close (vm);
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return 1;
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case QSE_T('d'):
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{
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app_debug = 1;
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break;
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}
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case QSE_T('f'):
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{
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if (isfl >= isfc-1) /* -1 for last QSE_NULL */
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{
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qse_char_t** tmp;
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tmp = (qse_char_t**) realloc (isf, QSE_SIZEOF(*isf)*(isfc+16));
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if (tmp == QSE_NULL)
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{
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out_of_memory ();
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ABORT (oops);
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}
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isf = tmp;
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isfc = isfc + 16;
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}
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isf[isfl++] = opt.arg;
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break;
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}
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case QSE_T('F'):
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{
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fs = opt.arg;
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break;
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}
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case QSE_T('o'):
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{
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osf = opt.arg;
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break;
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}
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case QSE_T('v'):
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{
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qse_char_t* eq = qse_strchr(opt.arg, QSE_T('='));
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if (eq == QSE_NULL)
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{
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/* INVALID VALUE... */
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ABORT (oops);
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}
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*eq = QSE_T('\0');
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if (qse_map_upsert (vm, opt.arg, qse_strlen(opt.arg)+1, eq, qse_strlen(eq)+1) == QSE_NULL)
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{
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out_of_memory ();
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ABORT (oops);
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}
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break;
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}
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case QSE_T('?'):
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{
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if (opt.lngopt)
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{
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qse_printf (QSE_T("Error: illegal option - %s\n"), opt.lngopt);
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}
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else
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{
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qse_printf (QSE_T("Error: illegal option - %c\n"), opt.opt);
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}
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ABORT (oops);
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}
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case QSE_T(':'):
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{
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if (opt.lngopt)
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{
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qse_printf (QSE_T("Error: bad argument for %s\n"), opt.lngopt);
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}
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else
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{
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qse_printf (QSE_T("Error: bad argument for %c\n"), opt.opt);
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}
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ABORT (oops);
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}
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default:
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ABORT (oops);
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}
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}
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isf[isfl] = QSE_NULL;
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if (isfl <= 0)
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{
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if (opt.ind >= argc)
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{
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/* no source code specified */
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ABORT (oops);
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}
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/* the source code is the string, not from the file */
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ao->ist = QSE_AWK_SOURCE_STRING;
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ao->isp = argv[opt.ind++];
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free (isf);
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}
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else
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{
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ao->ist = QSE_AWK_SOURCE_FILES;
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ao->isp = isf;
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}
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/* the remaining arguments are input console file names */
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icfc = (opt.ind >= argc)? 2: (argc - opt.ind + 1);
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icf = (qse_char_t**) malloc (QSE_SIZEOF(*icf)*icfc);
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if (icf == QSE_NULL)
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{
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out_of_memory ();
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ABORT (oops);
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}
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if (opt.ind >= argc)
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{
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/* no input(console) file names are specified.
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* the standard input becomes the input console */
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icf[icfl++] = QSE_T("");
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}
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else
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{
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do { icf[icfl++] = argv[opt.ind++]; } while (opt.ind < argc);
|
|
}
|
|
icf[icfl] = QSE_NULL;
|
|
|
|
ao->osf = osf;
|
|
ao->icf = icf;
|
|
ao->icfl = icfl;
|
|
ao->vm = vm;
|
|
ao->fs = fs;
|
|
|
|
return 0;
|
|
|
|
oops:
|
|
if (vm != QSE_NULL) qse_map_close (vm);
|
|
if (icf != QSE_NULL) free (icf);
|
|
if (isf != QSE_NULL) free (isf);
|
|
return -1;
|
|
}
|
|
|
|
static qse_awk_t* open_awk (void)
|
|
{
|
|
qse_awk_t* awk;
|
|
|
|
awk = qse_awk_opensimple ();
|
|
if (awk == QSE_NULL)
|
|
{
|
|
qse_printf (QSE_T("ERROR: cannot open awk\n"));
|
|
return QSE_NULL;
|
|
}
|
|
|
|
/* TODO: get depth from command line */
|
|
qse_awk_setmaxdepth (
|
|
awk, QSE_AWK_DEPTH_BLOCK_PARSE | QSE_AWK_DEPTH_EXPR_PARSE, 50);
|
|
qse_awk_setmaxdepth (
|
|
awk, QSE_AWK_DEPTH_BLOCK_RUN | QSE_AWK_DEPTH_EXPR_RUN, 500);
|
|
|
|
/*
|
|
qse_awk_seterrstr (awk, QSE_AWK_EGBLRED,
|
|
QSE_T("\uC804\uC5ED\uBCC0\uC218 \'%.*s\'\uAC00 \uC7AC\uC815\uC758 \uB418\uC5C8\uC2B5\uB2C8\uB2E4"));
|
|
qse_awk_seterrstr (awk, QSE_AWK_EFUNRED,
|
|
QSE_T("\uD568\uC218 \'%.*s\'\uAC00 \uC7AC\uC815\uC758 \uB418\uC5C8\uC2B5\uB2C8\uB2E4"));
|
|
*/
|
|
/*qse_awk_setkeyword (awk, QSE_T("func"), 4, QSE_T("FX"), 2);*/
|
|
|
|
if (qse_awk_addfnc (awk,
|
|
QSE_T("sleep"), 5, 0,
|
|
1, 1, QSE_NULL, fnc_sleep) == QSE_NULL)
|
|
{
|
|
qse_awk_close (awk);
|
|
qse_printf (QSE_T("ERROR: cannot add function 'sleep'\n"));
|
|
return QSE_NULL;
|
|
}
|
|
|
|
return awk;
|
|
}
|
|
|
|
static int awk_main (int argc, qse_char_t* argv[])
|
|
{
|
|
qse_awk_t* awk;
|
|
qse_awk_rtx_t* rtx;
|
|
qse_awk_rcb_t rcb;
|
|
|
|
int i;
|
|
int runarg_count = 0;
|
|
qse_cstr_t runarg[128];
|
|
struct argout_t ao;
|
|
int ret = 0;
|
|
|
|
qse_memset (&ao, 0, QSE_SIZEOF(ao));
|
|
|
|
i = handle_args (argc, argv, &ao);
|
|
if (i == -1)
|
|
{
|
|
print_usage (argv[0]);
|
|
return -1;
|
|
}
|
|
if (i == 1) return 0;
|
|
|
|
runarg[runarg_count].ptr = NULL;
|
|
runarg[runarg_count].len = 0;
|
|
|
|
awk = open_awk ();
|
|
if (awk == QSE_NULL) return -1;
|
|
|
|
|
|
if (qse_awk_parsesimple (awk, ao.ist, ao.isp, ao.osf) == -1)
|
|
{
|
|
qse_printf (
|
|
QSE_T("PARSE ERROR: CODE [%d] LINE [%u] %s\n"),
|
|
qse_awk_geterrnum(awk),
|
|
(unsigned int)qse_awk_geterrlin(awk),
|
|
qse_awk_geterrmsg(awk)
|
|
);
|
|
|
|
ret = -1;
|
|
goto oops;
|
|
}
|
|
|
|
rcb.on_enter = on_run_enter;
|
|
rcb.on_statement = on_run_statement;
|
|
rcb.on_exit = on_run_exit;
|
|
rcb.data = &ao;
|
|
|
|
rtx = qse_awk_rtx_opensimple (awk, ao.icf, QSE_AWK_CONSOLE_STDIO);
|
|
if (rtx == QSE_NULL)
|
|
{
|
|
qse_printf (
|
|
QSE_T("PARSE ERROR: CODE [%d] LINE [%u] %s\n"),
|
|
qse_awk_geterrnum(awk),
|
|
(unsigned int)qse_awk_geterrlin(awk),
|
|
qse_awk_geterrmsg(awk)
|
|
);
|
|
|
|
ret = -1;
|
|
}
|
|
else
|
|
{
|
|
app_rtx = rtx;
|
|
set_intr_run ();
|
|
|
|
qse_awk_rtx_setrcb (rtx, &rcb);
|
|
ret = qse_awk_rtx_loop (rtx);
|
|
|
|
unset_intr_run ();
|
|
|
|
if (ret == -1)
|
|
{
|
|
qse_printf (QSE_T("RUN ERROR: CODE [%d] LINE [%u] %s\n"),
|
|
(unsigned int)qse_awk_rtx_geterrnum(rtx),
|
|
(unsigned int)qse_awk_rtx_geterrlin(rtx),
|
|
qse_awk_rtx_geterrmsg(rtx)
|
|
);
|
|
}
|
|
|
|
qse_awk_rtx_close (rtx);
|
|
}
|
|
|
|
oops:
|
|
qse_awk_close (awk);
|
|
|
|
if (ao.ist == QSE_AWK_SOURCE_FILES && ao.isp != QSE_NULL) free (ao.isp);
|
|
/*if (ao.osf != QSE_NULL) free (ao.osf);*/
|
|
if (ao.icf != QSE_NULL) free (ao.icf);
|
|
if (ao.vm != QSE_NULL) qse_map_close (ao.vm);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int qse_main (int argc, qse_achar_t* argv[])
|
|
{
|
|
int n;
|
|
|
|
#if defined(_WIN32) && defined(_DEBUG) && defined(_MSC_VER)
|
|
_CrtSetDbgFlag (_CRTDBG_LEAK_CHECK_DF | _CRTDBG_ALLOC_MEM_DF);
|
|
#endif
|
|
|
|
n = qse_runmain (argc, argv, awk_main);
|
|
|
|
#if defined(_WIN32) && defined(_DEBUG)
|
|
/*#if defined(_MSC_VER)
|
|
_CrtDumpMemoryLeaks ();
|
|
#endif*/
|
|
#endif
|
|
|
|
return n;
|
|
}
|