753 lines
16 KiB
C
753 lines
16 KiB
C
/*
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* $Id: jni.c,v 1.19 2006-11-22 05:58:26 bacon Exp $
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*/
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#include <ase/awk/jni.h>
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#include <ase/awk/awk.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wctype.h>
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#include <wchar.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <math.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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#ifndef ASE_CHAR_IS_WCHAR
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#error this module supports ASE_CHAR_IS_WCHAR only
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#endif
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#define EXCEPTION_AWK "ase/awk/Exception"
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#define FIELD_AWK "__awk"
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enum
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{
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SOURCE_READ = 1,
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SOURCE_WRITE = 2
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};
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/* TODO: what if ase_char_t is ase_mchar_t??? */
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static ase_ssize_t __read_source (
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int cmd, void* arg, ase_char_t* data, ase_size_t count);
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static ase_ssize_t __write_source (
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int cmd, void* arg, ase_char_t* data, ase_size_t count);
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static ase_ssize_t __process_extio (
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int cmd, void* arg, ase_char_t* data, ase_size_t count);
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typedef struct srcio_data_t srcio_data_t;
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typedef struct runio_data_t runio_data_t;
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struct srcio_data_t
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{
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JNIEnv* env;
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jobject obj;
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};
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struct runio_data_t
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{
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JNIEnv* env;
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jobject obj;
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};
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static void* __awk_malloc (ase_size_t n, void* custom_data)
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{
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return malloc (n);
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}
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static void* __awk_realloc (void* ptr, ase_size_t n, void* custom_data)
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{
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return realloc (ptr, n);
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}
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static void __awk_free (void* ptr, void* custom_data)
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{
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free (ptr);
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}
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static ase_real_t __awk_pow (ase_real_t x, ase_real_t y)
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{
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return pow (x, y);
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}
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static int __awk_sprintf (
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ase_char_t* buf, ase_size_t len, const ase_char_t* fmt, ...)
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{
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int n;
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va_list ap;
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va_start (ap, fmt);
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#if defined(_WIN32)
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n = _vsntprintf (buf, len, fmt, ap);
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if (n < 0 || (ase_size_t)n >= len)
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{
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if (len > 0) buf[len-1] = ASE_T('\0');
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n = -1;
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}
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#elif defined(__MSDOS__)
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/* TODO: check buffer overflow */
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n = vsprintf (buf, fmt, ap);
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#else
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n = xp_vsprintf (buf, len, fmt, ap);
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#endif
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va_end (ap);
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return n;
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}
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static void __awk_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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#elif defined(__MSDOS__)
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vprintf (fmt, ap);
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#else
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xp_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 __awk_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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#if defined(_WIN32)
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_vftprintf (stderr, fmt, ap);
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#elif defined(__MSDOS__)
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vfprintf (stderr, fmt, ap);
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#else
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xp_vfprintf (stderr, fmt, ap);
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#endif
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va_end (ap);
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}
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JNIEXPORT void JNICALL Java_ase_awk_Awk_open (JNIEnv* env, jobject obj)
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{
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jclass class;
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jfieldID fid;
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jthrowable except;
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ase_awk_t* awk;
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ase_awk_syscas_t syscas;
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int opt;
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class = (*env)->GetObjectClass(env, obj);
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memset (&syscas, 0, sizeof(syscas));
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syscas.malloc = __awk_malloc;
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syscas.realloc = __awk_realloc;
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syscas.free = __awk_free;
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syscas.is_upper = iswupper;
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syscas.is_lower = iswlower;
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syscas.is_alpha = iswalpha;
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syscas.is_digit = iswdigit;
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syscas.is_xdigit = iswxdigit;
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syscas.is_alnum = iswalnum;
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syscas.is_space = iswspace;
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syscas.is_print = iswprint;
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syscas.is_graph = iswgraph;
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syscas.is_cntrl = iswcntrl;
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syscas.is_punct = iswpunct;
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syscas.to_upper = towupper;
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syscas.to_lower = towlower;
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syscas.memcpy = memcpy;
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syscas.memset = memset;
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syscas.pow = __awk_pow;
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syscas.sprintf = __awk_sprintf;
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syscas.aprintf = __awk_aprintf;
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syscas.dprintf = __awk_dprintf;
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syscas.abort = abort;
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awk = ase_awk_open (&syscas);
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if (awk == NULL)
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{
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except = (*env)->FindClass (env, EXCEPTION_AWK);
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if (except == 0) return;
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(*env)->ThrowNew (env, except, "cannot create awk");
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return;
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}
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fid = (*env)->GetFieldID (env, class, FIELD_AWK, "J");
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if (fid == 0) return;
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(*env)->SetLongField (env, obj, fid, (jlong)awk);
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opt = ASE_AWK_EXPLICIT | ASE_AWK_UNIQUE | ASE_AWK_DBLSLASHES |
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ASE_AWK_SHADING | ASE_AWK_IMPLICIT | ASE_AWK_SHIFT |
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ASE_AWK_EXTIO | ASE_AWK_BLOCKLESS | ASE_AWK_HASHSIGN;
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ase_awk_setopt (awk, opt);
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printf ("__awk(native) done => %u, 0x%X\n", awk, awk);
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}
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JNIEXPORT void JNICALL Java_ase_awk_Awk_close (JNIEnv* env, jobject obj)
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{
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jclass class;
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jfieldID fid;
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class = (*env)->GetObjectClass(env, obj);
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fid = (*env)->GetFieldID (env, class, FIELD_AWK, "J");
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if (fid == 0) return;
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ase_awk_close ((ase_awk_t*) (*env)->GetLongField (env, obj, fid));
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(*env)->SetLongField (env, obj, fid, (jlong)0);
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printf ("close (native) done\n");
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}
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JNIEXPORT void JNICALL Java_ase_awk_Awk_parse (JNIEnv* env, jobject obj)
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{
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jclass class;
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jfieldID fid;
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jthrowable except;
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ase_awk_t* awk;
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ase_awk_srcios_t srcios;
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srcio_data_t srcio_data;
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class = (*env)->GetObjectClass (env, obj);
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fid = (*env)->GetFieldID (env, class, FIELD_AWK, "J");
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if (fid == 0) return;
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awk = (ase_awk_t*) (*env)->GetLongField (env, obj, fid);
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srcio_data.env = env;
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srcio_data.obj = obj;
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srcios.in = __read_source;
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srcios.out = __write_source;
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srcios.custom_data = &srcio_data;
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if (ase_awk_parse (awk, &srcios) == -1)
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{
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printf ("parse error.......\n");
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except = (*env)->FindClass (env, EXCEPTION_AWK);
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if (except == 0) return;
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(*env)->ThrowNew (env, except, "Parse Error ...");
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printf ("parse error -> line [%d] %S\n", ase_awk_getsrcline(awk), ase_awk_geterrstr(ase_awk_geterrnum(awk)));
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return;
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}
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}
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JNIEXPORT void JNICALL Java_ase_awk_Awk_run (JNIEnv* env, jobject obj)
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{
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jclass class;
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jfieldID fid;
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jthrowable except;
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ase_awk_t* awk;
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ase_awk_runios_t runios;
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runio_data_t runio_data;
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class = (*env)->GetObjectClass (env, obj);
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fid = (*env)->GetFieldID (env, class, FIELD_AWK, "J");
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if (fid == 0) return;
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awk = (ase_awk_t*) (*env)->GetLongField (env, obj, fid);
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runio_data.env = env;
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runio_data.obj = obj;
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runios.pipe = ASE_NULL;
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runios.coproc = ASE_NULL;
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runios.file = __process_extio;
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runios.console = __process_extio;
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runios.custom_data = &runio_data;
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if (ase_awk_run (awk, ASE_NULL, &runios, ASE_NULL, ASE_NULL) == -1)
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{
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char msg[256];
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int n;
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except = (*env)->FindClass (env, EXCEPTION_AWK);
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if (except == 0) return;
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snprintf (msg, sizeof(msg), "%S",
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ase_awk_geterrstr(ase_awk_geterrnum(awk)));
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if (n < 0 || n >= sizeof(msg)) msg[sizeof(msg)-1] = '\0';
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(*env)->ThrowNew (env, except, msg);
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return;
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}
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}
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static ase_ssize_t __call_java_open_source (JNIEnv* env, jobject obj, int mode)
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{
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jclass class;
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jmethodID mid;
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jthrowable thrown;
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jint ret;
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class = (*env)->GetObjectClass(env, obj);
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mid = (*env)->GetMethodID (env, class, "open_source", "(I)I");
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if (mid == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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ret = (*env)->CallIntMethod (env, obj, mid, mode);
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thrown = (*env)->ExceptionOccurred (env);
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if (thrown)
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{
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(*env)->ExceptionClear (env);
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ret = -1;
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}
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(*env)->DeleteLocalRef (env, class);
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return ret;
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}
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static ase_ssize_t __call_java_close_source (JNIEnv* env, jobject obj, int mode)
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{
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jclass class;
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jmethodID mid;
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jthrowable thrown;
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jint ret;
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class = (*env)->GetObjectClass(env, obj);
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mid = (*env)->GetMethodID (env, class, "close_source", "(I)I");
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if (mid == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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ret = (*env)->CallIntMethod (env, obj, mid, mode);
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thrown = (*env)->ExceptionOccurred (env);
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if (thrown)
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{
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(*env)->ExceptionClear (env);
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ret = -1;
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}
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(*env)->DeleteLocalRef (env, class);
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return ret;
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}
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static ase_ssize_t __call_java_read_source (
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JNIEnv* env, jobject obj, ase_char_t* buf, ase_size_t size)
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{
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jclass class;
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jmethodID mid;
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jcharArray array;
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jchar* tmp;
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jint ret, i;
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jthrowable thrown;
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class = (*env)->GetObjectClass(env, obj);
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mid = (*env)->GetMethodID (env, class, "read_source", "([CI)I");
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if (mid == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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array = (*env)->NewCharArray (env, size);
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if (array == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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ret = (*env)->CallIntMethod (env, obj, mid, array, size);
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thrown = (*env)->ExceptionOccurred (env);
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if (thrown)
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{
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(*env)->ExceptionClear (env);
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ret = -1;
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}
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tmp = (*env)->GetCharArrayElements (env, array, 0);
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for (i = 0; i < ret; i++) buf[i] = (ase_char_t)tmp[i];
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(*env)->ReleaseCharArrayElements (env, array, tmp, 0);
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(*env)->DeleteLocalRef (env, array);
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(*env)->DeleteLocalRef (env, class);
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return i;
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}
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static ase_ssize_t __call_java_write_source (
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JNIEnv* env, jobject obj, ase_char_t* buf, ase_size_t size)
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{
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jclass class;
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jmethodID mid;
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jcharArray array;
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jchar* tmp;
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jint ret, i;
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jthrowable thrown;
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class = (*env)->GetObjectClass(env, obj);
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mid = (*env)->GetMethodID (env, class, "write_source", "([CI)I");
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if (mid == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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array = (*env)->NewCharArray (env, size);
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if (array == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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tmp = (*env)->GetCharArrayElements (env, array, 0);
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for (i = 0; i < size; i++) tmp[i] = (jchar)buf[i];
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(*env)->ReleaseCharArrayElements (env, array, tmp, 0);
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ret = (*env)->CallIntMethod (env, obj, mid, array, size);
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thrown = (*env)->ExceptionOccurred (env);
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if (thrown)
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{
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(*env)->ExceptionClear (env);
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ret = -1;
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}
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(*env)->DeleteLocalRef (env, array);
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(*env)->DeleteLocalRef (env, class);
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return ret;
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}
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static ase_ssize_t __call_java_open_extio (
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JNIEnv* env, jobject obj, char* meth, ase_awk_extio_t* extio)
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{
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jclass class;
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jmethodID mid;
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jthrowable thrown;
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jclass extio_class;
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jmethodID extio_cons;
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jobject extio_object;
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jstring extio_name;
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jint ret;
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class = (*env)->GetObjectClass(env, obj);
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extio_class = (*env)->FindClass (env, "ase/awk/Extio");
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if (extio_class == NULL)
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{
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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/* get the constructor */
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extio_cons = (*env)->GetMethodID (
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env, extio_class, "<init>", "(Ljava/lang/String;II)V");
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if (extio_cons == NULL)
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{
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(*env)->DeleteLocalRef (env, extio_class);
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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/* get the method - meth */
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mid = (*env)->GetMethodID (env, class, meth, "(Lase/awk/Extio;)I");
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if (mid == NULL)
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{
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(*env)->DeleteLocalRef (env, extio_class);
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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/* construct the name */
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extio_name = (*env)->NewString (
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env, extio->name, ase_awk_strlen(extio->name));
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if (extio_name == NULL)
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{
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(*env)->DeleteLocalRef (env, extio_class);
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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/* construct the extio object */
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extio_object = (*env)->NewObject (
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env, extio_class, extio_cons,
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extio_name, extio->type & 0xFF, extio->mode);
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if (extio_object == NULL)
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{
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(*env)->DeleteLocalRef (env, extio_name);
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(*env)->DeleteLocalRef (env, extio_class);
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(*env)->DeleteLocalRef (env, class);
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return -1;
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}
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/* execute the method */
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ret = (*env)->CallIntMethod (env, obj, mid, extio_object);
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thrown = (*env)->ExceptionOccurred (env);
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if (thrown)
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{
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(*env)->ExceptionDescribe (env);
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(*env)->ExceptionClear (env);
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return -1;
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}
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if (ret != -1)
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{
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/* ret == -1 failed to open the stream
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* ret == 0 opened the stream and reached its end
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* ret == 1 opened the stream. */
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extio->handle = (*env)->NewGlobalRef (env, extio_object);
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}
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(*env)->DeleteLocalRef (env, extio_object);
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(*env)->DeleteLocalRef (env, extio_name);
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(*env)->DeleteLocalRef (env, extio_class);
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(*env)->DeleteLocalRef (env, class);
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return ret;
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}
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static ase_ssize_t __call_java_close_extio (
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JNIEnv* env, jobject obj, char* meth, ase_awk_extio_t* extio)
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{
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jclass class;
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jmethodID mid;
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jthrowable thrown;
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|
jint ret;
|
|
|
|
class = (*env)->GetObjectClass(env, obj);
|
|
|
|
mid = (*env)->GetMethodID (
|
|
env, class, meth, "(Lase/awk/Extio;)I");
|
|
if (mid == NULL)
|
|
{
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return -1;
|
|
}
|
|
|
|
ret = (*env)->CallIntMethod (env, obj, mid, extio->handle);
|
|
thrown = (*env)->ExceptionOccurred (env);
|
|
if (thrown)
|
|
{
|
|
(*env)->ExceptionDescribe (env);
|
|
(*env)->ExceptionClear (env);
|
|
ret = -1;
|
|
}
|
|
|
|
if (ret != -1)
|
|
{
|
|
/* ret == -1 failed to close the stream
|
|
* ret == 0 closed the stream */
|
|
(*env)->DeleteGlobalRef (env, extio->handle);
|
|
extio->handle = NULL;
|
|
}
|
|
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return ret;
|
|
}
|
|
|
|
static ase_ssize_t __call_java_read_extio (
|
|
JNIEnv* env, jobject obj, char* meth,
|
|
ase_awk_extio_t* extio, ase_char_t* buf, ase_size_t size)
|
|
{
|
|
jclass class;
|
|
jmethodID mid;
|
|
jcharArray array;
|
|
jchar* tmp;
|
|
jint ret, i;
|
|
jthrowable thrown;
|
|
|
|
class = (*env)->GetObjectClass(env, obj);
|
|
|
|
mid = (*env)->GetMethodID (env, class, meth, "(Lase/awk/Extio;[CI)I");
|
|
if (mid == NULL)
|
|
{
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return -1;
|
|
}
|
|
|
|
array = (*env)->NewCharArray (env, size);
|
|
if (array == NULL)
|
|
{
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return -1;
|
|
}
|
|
|
|
ret = (*env)->CallIntMethod (env, obj, mid, extio->handle, array, size);
|
|
thrown = (*env)->ExceptionOccurred (env);
|
|
if (thrown)
|
|
{
|
|
(*env)->ExceptionClear (env);
|
|
ret = -1;
|
|
}
|
|
|
|
if (ret > 0)
|
|
{
|
|
tmp = (*env)->GetCharArrayElements (env, array, 0);
|
|
for (i = 0; i < ret; i++) buf[i] = (ase_char_t)tmp[i];
|
|
(*env)->ReleaseCharArrayElements (env, array, tmp, 0);
|
|
}
|
|
|
|
(*env)->DeleteLocalRef (env, array);
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return ret;
|
|
}
|
|
|
|
static ase_ssize_t __call_java_write_extio (
|
|
JNIEnv* env, jobject obj, char* meth,
|
|
ase_awk_extio_t* extio, ase_char_t* data, ase_size_t size)
|
|
{
|
|
jclass class;
|
|
jmethodID mid;
|
|
jcharArray array;
|
|
ase_ssize_t i;
|
|
jchar* tmp;
|
|
jint ret;
|
|
jthrowable thrown;
|
|
|
|
class = (*env)->GetObjectClass(env, obj);
|
|
|
|
mid = (*env)->GetMethodID (env, class, meth, "(Lase/awk/Extio;[CI)I");
|
|
if (mid == NULL)
|
|
{
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return -1;
|
|
}
|
|
|
|
array = (*env)->NewCharArray (env, size);
|
|
if (array == NULL)
|
|
{
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return -1;
|
|
}
|
|
|
|
tmp = (*env)->GetCharArrayElements (env, array, 0);
|
|
for (i = 0; i < size; i++) tmp[i] = (jchar)data[i];
|
|
(*env)->ReleaseCharArrayElements (env, array, tmp, 0);
|
|
|
|
ret = (*env)->CallIntMethod (env, obj, mid, extio->handle, array, size);
|
|
thrown = (*env)->ExceptionOccurred (env);
|
|
if (thrown)
|
|
{
|
|
(*env)->ExceptionClear (env);
|
|
ret = -1;
|
|
}
|
|
|
|
(*env)->DeleteLocalRef (env, array);
|
|
(*env)->DeleteLocalRef (env, class);
|
|
return ret;
|
|
}
|
|
|
|
static ase_ssize_t __read_source (
|
|
int cmd, void* arg, ase_char_t* data, ase_size_t count)
|
|
{
|
|
srcio_data_t* srcio_data = (srcio_data_t*)arg;
|
|
|
|
if (cmd == ASE_AWK_IO_OPEN)
|
|
{
|
|
return __call_java_open_source (
|
|
srcio_data->env, srcio_data->obj, SOURCE_READ);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_CLOSE)
|
|
{
|
|
return __call_java_close_source (
|
|
srcio_data->env, srcio_data->obj, SOURCE_READ);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_READ)
|
|
{
|
|
return __call_java_read_source (
|
|
srcio_data->env, srcio_data->obj, data, count);
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static ase_ssize_t __write_source (
|
|
int cmd, void* arg, ase_char_t* data, ase_size_t count)
|
|
{
|
|
srcio_data_t* srcio_data = (srcio_data_t*)arg;
|
|
|
|
if (cmd == ASE_AWK_IO_OPEN)
|
|
{
|
|
return __call_java_open_source (
|
|
srcio_data->env, srcio_data->obj, SOURCE_WRITE);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_CLOSE)
|
|
{
|
|
return __call_java_close_source (
|
|
srcio_data->env, srcio_data->obj, SOURCE_WRITE);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_WRITE)
|
|
{
|
|
return __call_java_write_source (
|
|
srcio_data->env, srcio_data->obj, data, count);
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static ase_ssize_t __process_extio (
|
|
int cmd, void* arg, ase_char_t* data, ase_size_t size)
|
|
{
|
|
ase_awk_extio_t* epa = (ase_awk_extio_t*)arg;
|
|
runio_data_t* runio_data = (runio_data_t*)epa->custom_data;
|
|
|
|
if (cmd == ASE_AWK_IO_OPEN)
|
|
{
|
|
return __call_java_open_extio (
|
|
runio_data->env, runio_data->obj,
|
|
"open_extio", epa);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_CLOSE)
|
|
{
|
|
return __call_java_close_extio (
|
|
runio_data->env, runio_data->obj,
|
|
"close_extio", epa);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_READ)
|
|
{
|
|
return __call_java_read_extio (
|
|
runio_data->env, runio_data->obj,
|
|
"read_extio", epa, data, size);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_WRITE)
|
|
{
|
|
return __call_java_write_extio (
|
|
runio_data->env, runio_data->obj,
|
|
"write_extio", epa, data, size);
|
|
}
|
|
#if 0
|
|
else if (cmd == ASE_AWK_IO_FLUSH)
|
|
{
|
|
return __call_java_flush_extio (
|
|
runio_data->env, runio_data->obj, "flush_console",
|
|
data, size);
|
|
}
|
|
else if (cmd == ASE_AWK_IO_NEXT)
|
|
{
|
|
return __call_java_next_extio (
|
|
runio_data->env, runio_data->obj, "flush_console",
|
|
data, size);
|
|
}
|
|
#endif
|
|
|
|
return -1;
|
|
}
|