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Throw exception if Java array passed in is not the same size as the C array.

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Was using C free when array created with C++ new.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4672 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2003-04-10 17:32:45 +00:00
commit c5e9953972
1 changed files with 53 additions and 10 deletions
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63
Lib/java/arrays_java.i
View file

@ -1,7 +1,8 @@
/* arrays_java.i
* These typemaps give more natural support for arrays. The typemaps are not efficient
* as there is a lot of copying of the array values whenever the array is passed to C/C++
* from Java and visa versa.
* from Java and visa versa. The Java array is expected to be the same size as the C array.
* An exception is thrown if they are not.
Example usage:
Wrapping:
@ -63,8 +64,7 @@ int SWIG_JavaArrayIn##JFUNCNAME (JNIEnv *jenv, JNITYPE **jarr, CTYPE **carr, JNI
void SWIG_JavaArrayArgout##JFUNCNAME (JNIEnv *jenv, JNITYPE *jarr, CTYPE *carr, JNITYPE##Array input) {
int i;
jsize sz;
sz = JCALL1(GetArrayLength, jenv, input);
jsize sz = JCALL1(GetArrayLength, jenv, input);
for (i=0; i<sz; i++)
jarr[i] = (JNITYPE)carr[i];
JCALL3(Release##JAVATYPE##ArrayElements, jenv, input, jarr, 0);
@ -185,14 +185,20 @@ JAVA_ARRAYS_IMPL(double, jdouble, Double, Double) /* double[] */
/* Arrays of primitive types use the following macro. The array typemaps use support functions. */
%define JAVA_ARRAYS_TYPEMAPS(CTYPE, JNITYPE, JFUNCNAME)
%typemap(in) CTYPE[] (JNITYPE *jarr)
%{ if (!SWIG_JavaArrayIn##JFUNCNAME(jenv, &jarr, &$1, $input)) return $null; %}
%typemap(in) CTYPE[ANY] (JNITYPE *jarr)
%{ if (!SWIG_JavaArrayIn##JFUNCNAME(jenv, &jarr, &$1, $input)) return $null; %}
%{ if ($input && JCALL1(GetArrayLength, jenv, $input) != $1_size) {
SWIG_JavaThrowException(jenv, SWIG_JavaIndexOutOfBoundsException, "incorrect array size");
return $null;
}
if (!SWIG_JavaArrayIn##JFUNCNAME(jenv, &jarr, &$1, $input)) return $null; %}
%typemap(argout) CTYPE[ANY]
%{ SWIG_JavaArrayArgout##JFUNCNAME(jenv, jarr$argnum, $1, $input); %}
%typemap(out) CTYPE[ANY]
%{$result = SWIG_JavaArrayOut##JFUNCNAME(jenv, $1, $1_dim0); %}
%typemap(freearg) CTYPE[ANY]
#ifdef __cplusplus
#if __cplusplus
%{ delete [] $1; %}
#else
%{ free($1); %}
@ -297,7 +303,7 @@ JAVA_ARRAYS_TYPEMAPS(double, jdouble, Double) /* double[ANY] */
return $javaclassname.cArrayWrap($jnicall, $owner);
}
%typemap(in) ARRAYSOFCLASSES[ANY] (jlong *jarr, jsize sz)
%typemap(in) ARRAYSOFCLASSES[] (jlong *jarr, jsize sz)
{
int i;
if (!$input) {
@ -309,7 +315,37 @@ JAVA_ARRAYS_TYPEMAPS(double, jdouble, Double) /* double[ANY] */
if (!jarr) {
return $null;
}
#ifdef __cplusplus
#if __cplusplus
$1 = new $*1_ltype[sz];
#else
$1 = ($1_ltype) calloc(sz, sizeof($*1_ltype));
#endif
if (!$1) {
SWIG_JavaThrowException(jenv, SWIG_JavaOutOfMemoryError, "array memory allocation failed");
return $null;
}
for (i=0; i<sz; i++) {
$1[i] = **($&1_ltype)&jarr[i];
}
}
%typemap(in) ARRAYSOFCLASSES[ANY] (jlong *jarr, jsize sz)
{
int i;
if (!$input) {
SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null array");
return $null;
}
sz = JCALL1(GetArrayLength, jenv, $input);
if (sz != $1_size) {
SWIG_JavaThrowException(jenv, SWIG_JavaIndexOutOfBoundsException, "incorrect array size");
return $null;
}
jarr = JCALL2(GetLongArrayElements, jenv, $input, 0);
if (!jarr) {
return $null;
}
#if __cplusplus
$1 = new $*1_ltype[sz];
#else
$1 = ($1_ltype) calloc(sz, sizeof($*1_ltype));
@ -353,7 +389,7 @@ JAVA_ARRAYS_TYPEMAPS(double, jdouble, Double) /* double[ANY] */
}
%typemap(freearg) ARRAYSOFCLASSES[ANY]
#ifdef __cplusplus
#if __cplusplus
%{ delete [] $1; %}
#else
%{ free($1); %}
@ -392,8 +428,15 @@ JAVA_ARRAYS_TYPEMAPS(double, jdouble, Double) /* double[ANY] */
return $jnicall;
}
%typemap(in) ARRAYSOFENUMS[ANY] (jint *jarr)
%{ if (!SWIG_JavaArrayInInt(jenv, &jarr, (int**)&$1, $input)) return $null; %}
%typemap(in) ARRAYSOFENUMS[] (jint *jarr)
%{ if (!SWIG_JavaArrayInInt(jenv, &jarr, (int**)&$1, $input)) return $null; %}
%typemap(in) ARRAYSOFENUMS[ANY] (jint *jarr) {
if ($input && JCALL1(GetArrayLength, jenv, $input) != $1_size) {
SWIG_JavaThrowException(jenv, SWIG_JavaIndexOutOfBoundsException, "incorrect array size");
return $null;
}
if (!SWIG_JavaArrayInInt(jenv, &jarr, (int**)&$1, $input)) return $null;
}
%typemap(argout) ARRAYSOFENUMS[ANY]
%{ SWIG_JavaArrayArgoutInt(jenv, jarr$argnum, (int*)$1, $input); %}
%typemap(out) ARRAYSOFENUMS[ANY]