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smartptr feature support - factor out common code

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This commit is contained in:
William S Fulton 2015-09-17 19:36:48 +01:00
commit faeaacf112
8 changed files with 103 additions and 132 deletions
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58
Source/Modules/java.cxx
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@ -1875,40 +1875,33 @@ public:
// Add code to do C++ casting to base class (only for classes in an inheritance hierarchy)
if (derived) {
String *smartptr = Getattr(n, "feature:smartptr");
String *upcast_method = Swig_name_member(getNSpace(), getClassPrefix(), smartptr != 0 ? "SWIGSmartPtrUpcast" : "SWIGUpcast");
SwigType *smart = Swig_cparse_smartptr(n);
String *upcast_method = Swig_name_member(getNSpace(), getClassPrefix(), smart != 0 ? "SWIGSmartPtrUpcast" : "SWIGUpcast");
String *jniname = makeValidJniName(upcast_method);
String *wname = Swig_name_wrapper(jniname);
Printf(imclass_cppcasts_code, " public final static native long %s(long jarg1);\n", upcast_method);
if (smartptr) {
SwigType *spt = Swig_cparse_type(smartptr);
if (spt) {
SwigType *smart = SwigType_typedef_resolve_all(spt);
Delete(spt);
SwigType *bsmart = Copy(smart);
SwigType *rclassname = SwigType_typedef_resolve_all(c_classname);
SwigType *rbaseclass = SwigType_typedef_resolve_all(c_baseclass);
Replaceall(bsmart, rclassname, rbaseclass);
Delete(rclassname);
Delete(rbaseclass);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
" jlong baseptr = 0;\n"
" ", smartnamestr, " *argp1;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" argp1 = *(", smartnamestr, " **)&jarg1;\n"
" *(", bsmartnamestr, " **)&baseptr = argp1 ? new ", bsmartnamestr, "(*argp1) : 0;\n"
" return baseptr;\n"
"}\n", "\n", NIL);
Delete(bsmartnamestr);
Delete(smartnamestr);
Delete(bsmart);
} else {
Swig_error(Getfile(n), Getline(n), "Invalid type (%s) in 'smartptr' feature for class %s.\n", smartptr, c_classname);
}
if (smart) {
SwigType *bsmart = Copy(smart);
SwigType *rclassname = SwigType_typedef_resolve_all(c_classname);
SwigType *rbaseclass = SwigType_typedef_resolve_all(c_baseclass);
Replaceall(bsmart, rclassname, rbaseclass);
Delete(rclassname);
Delete(rbaseclass);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
" jlong baseptr = 0;\n"
" ", smartnamestr, " *argp1;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" argp1 = *(", smartnamestr, " **)&jarg1;\n"
" *(", bsmartnamestr, " **)&baseptr = argp1 ? new ", bsmartnamestr, "(*argp1) : 0;\n"
" return baseptr;\n"
"}\n", "\n", NIL);
Delete(bsmartnamestr);
Delete(smartnamestr);
Delete(bsmart);
} else {
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
@ -1922,6 +1915,7 @@ public:
Delete(wname);
Delete(jniname);
Delete(upcast_method);
Delete(smart);
}
Delete(baseclass);
}
@ -3486,7 +3480,7 @@ public:
"SWIGEXPORT void JNICALL Java_%s%s_%s(JNIEnv *jenv, jclass jcls, jobject jself, jlong objarg, jboolean jswig_mem_own, "
"jboolean jweak_global) {\n", jnipackage, jni_imclass_name, swig_director_connect_jni);
if (Len(smartptr)) {
if (smartptr) {
Printf(code_wrap->code, " %s *obj = *((%s **)&objarg);\n", smartptr, smartptr);
Printf(code_wrap->code, " (void)jcls;\n");
Printf(code_wrap->code, " // Keep a local instance of the smart pointer around while we are using the raw pointer\n");