File: Inherit_E_jniStub.c

package info (click to toggle)
babel 0.10.2-1
  • links: PTS
  • area: contrib
  • in suites: sarge
  • size: 43,932 kB
  • ctags: 29,707
  • sloc: java: 74,695; ansic: 73,142; cpp: 40,649; sh: 18,411; f90: 10,062; fortran: 6,727; python: 6,406; makefile: 3,866; xml: 118; perl: 48
file content (171 lines) | stat: -rw-r--r-- 3,777 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/*
 * File:          Inherit_E_jniStub.c
 * Symbol:        Inherit.E-v1.1
 * Symbol Type:   class
 * Babel Version: 0.10.2
 * Description:   Client-side JNI glue code for Inherit.E
 * 
 * WARNING: Automatically generated; changes will be lost
 * 
 * babel-version = 0.10.2
 */

#include "sidl_Java.h"
#include "sidl_Loader.h"
#include "sidl_String.h"
#include "Inherit_E_IOR.h"
#include "babel_config.h"

/*
 * Convert between jlong and void* pointers.
 */

#if (SIZEOF_VOID_P == 8)
#define JLONG_TO_POINTER(x) ((void*)(x))
#define POINTER_TO_JLONG(x) ((jlong)(x))
#else
#define JLONG_TO_POINTER(x) ((void*)(int32_t)(x))
#define POINTER_TO_JLONG(x) ((jlong)(int32_t)(x))
#endif

#ifndef NULL
#define NULL 0
#endif

/*
 * Function to extract IOR reference from the Java object.
 */

static struct Inherit_E__object* _get_ior(
  JNIEnv* env,
  jobject obj)
{
  void* ptr = NULL;
  static jmethodID mid = (jmethodID) NULL;

  if (mid == (jmethodID) NULL) {
    jclass cls = (*env)->GetObjectClass(env, obj);
    mid = (*env)->GetMethodID(env, cls, "_get_ior", "()J");
    (*env)->DeleteLocalRef(env, cls);
  }

  ptr = JLONG_TO_POINTER((*env)->CallLongMethod(env, obj, mid));
  return (struct Inherit_E__object*) ptr;
}

/*
 * External reference to IOR methods.
 */

static const struct Inherit_E__external* s_external = NULL;

/*
 * Create object instance and return reference.
 */

static jlong jni__create_ior(
  JNIEnv* env,
  jclass  cls)
{
  (void) env;
  (void) cls;
  return POINTER_TO_JLONG((*s_external->createObject)());
}

/*
 * Method:  e[]
 */

static jstring
jni_e(
  JNIEnv* env,
  jobject obj)
{
  /*
   * Declare return and temporary variables.
   */

  struct Inherit_E__object* _ior = NULL;
  char* _ior_res = (char*) NULL;
  jstring _res = (jstring) NULL;

  /*
   * Preprocess Java types and convert into IOR.
   */

  _ior = _get_ior(env, obj);

  /*
   * Call the IOR method through the EPV.
   */

  _ior_res = (*(_ior->d_epv->f_e))(
    _ior);

  /*
   * Postprocess OUT, INOUT, returns, and exceptions.
   */

  _res = sidl_Java_I2J_string(env, _ior_res);
  sidl_String_free(_ior_res);

  return _res;
}

/*
 * Register JNI methods with the Java JVM.
 */

void Inherit_E__register(JNIEnv* env)
{
  JNINativeMethod methods[2];
  jclass cls;

#ifdef SIDL_STATIC_LIBRARY
  s_external = Inherit_E__externals();
#else
  sidl_DLL dll = sidl_DLL__create();
  const struct Inherit_E__external*(*dll_f)(void);
  /* check global namespace for symbol first */
  if (dll && sidl_DLL_loadLibrary(dll, "main:", TRUE, FALSE)) {
    dll_f =
      (const struct Inherit_E__external*(*)(void)) sidl_DLL_lookupSymbol(
        dll, "Inherit_E__externals");
    s_external = (dll_f ? (*dll_f)() : NULL);
  }
  if (dll) sidl_DLL_deleteRef(dll);
  if (!s_external) {
    dll = sidl_Loader_findLibrary("Inherit.E",
      "ior/impl", sidl_Scope_SCLSCOPE,
      sidl_Resolve_SCLRESOLVE);
    if (dll) {
      dll_f =
        (const struct Inherit_E__external*(*)(void)) sidl_DLL_lookupSymbol(
          dll, "Inherit_E__externals");
      s_external = (dll_f ? (*dll_f)() : NULL);
      sidl_DLL_deleteRef(dll);
    }
  }
  if (!s_external) {
    jclass e = (*env)->FindClass(env, "java/lang/UnsatisfiedLinkError");
    if (e != NULL) {
      (*env)->ThrowNew(env, e, "Could not find implementation for sidl class Inherit.E");
      (*env)->DeleteLocalRef(env, e);
    }
  }
#endif

  methods[0].name      = "_create_ior";
  methods[0].signature = "()J";
  methods[0].fnPtr     = (void *)jni__create_ior;
  methods[1].name      = "e";
  methods[1].signature = "()Ljava/lang/String;";
  methods[1].fnPtr     = (void *)jni_e;


  cls = (*env)->FindClass(env, "Inherit/E");
  if (cls) {
    (*env)->RegisterNatives(env, cls, methods, 2);
    (*env)->DeleteLocalRef(env, cls);
  }
}