Intermediate changes

commit_hash:d5b1af16dbe9030537a04c27eb410c88c2f496cd

1 files changed, 91 insertions, 0 deletions

diff --git a/contrib/tools/swig/Lib/java/javahead.swg b/contrib/tools/swig/Lib/java/javahead.swg
new file mode 100644
index 00000000000..758a037d171
--- /dev/null
+++ b/contrib/tools/swig/Lib/java/javahead.swg
@@ -0,0 +1,91 @@
+/* -----------------------------------------------------------------------------
+ * javahead.swg
+ *
+ * Java support code
+ * ----------------------------------------------------------------------------- */
+
+
+/* JNI function calls require different calling conventions for C and C++. These JCALL macros are used so
+ * that the same typemaps can be used for generating code for both C and C++. The SWIG preprocessor can expand
+ * the macros thereby generating the correct calling convention. It is thus essential that all typemaps that
+ * use the macros are not within %{ %} brackets as they won't be run through the SWIG preprocessor. */
+#ifdef __cplusplus
+#   define JCALL0(func, jenv) jenv->func()
+#   define JCALL1(func, jenv, ar1) jenv->func(ar1)
+#   define JCALL2(func, jenv, ar1, ar2) jenv->func(ar1, ar2)
+#   define JCALL3(func, jenv, ar1, ar2, ar3) jenv->func(ar1, ar2, ar3)
+#   define JCALL4(func, jenv, ar1, ar2, ar3, ar4) jenv->func(ar1, ar2, ar3, ar4)
+#   define JCALL5(func, jenv, ar1, ar2, ar3, ar4, ar5) jenv->func(ar1, ar2, ar3, ar4, ar5)
+#   define JCALL6(func, jenv, ar1, ar2, ar3, ar4, ar5, ar6) jenv->func(ar1, ar2, ar3, ar4, ar5, ar6)
+#   define JCALL7(func, jenv, ar1, ar2, ar3, ar4, ar5, ar6, ar7) jenv->func(ar1, ar2, ar3, ar4, ar5, ar6, ar7)
+#else
+#   define JCALL0(func, jenv) (*jenv)->func(jenv)
+#   define JCALL1(func, jenv, ar1) (*jenv)->func(jenv, ar1)
+#   define JCALL2(func, jenv, ar1, ar2) (*jenv)->func(jenv, ar1, ar2)
+#   define JCALL3(func, jenv, ar1, ar2, ar3) (*jenv)->func(jenv, ar1, ar2, ar3)
+#   define JCALL4(func, jenv, ar1, ar2, ar3, ar4) (*jenv)->func(jenv, ar1, ar2, ar3, ar4)
+#   define JCALL5(func, jenv, ar1, ar2, ar3, ar4, ar5) (*jenv)->func(jenv, ar1, ar2, ar3, ar4, ar5)
+#   define JCALL6(func, jenv, ar1, ar2, ar3, ar4, ar5, ar6) (*jenv)->func(jenv, ar1, ar2, ar3, ar4, ar5, ar6)
+#   define JCALL7(func, jenv, ar1, ar2, ar3, ar4, ar5, ar6, ar7) (*jenv)->func(jenv, ar1, ar2, ar3, ar4, ar5, ar6, ar7)
+#endif
+
+%insert(runtime) %{
+#include <jni.h>
+#include <stdlib.h>
+#include <string.h>
+%}
+
+%insert(runtime) %{
+/* Support for throwing Java exceptions */
+typedef enum {
+  SWIG_JavaOutOfMemoryError = 1,
+  SWIG_JavaIOException,
+  SWIG_JavaRuntimeException,
+  SWIG_JavaIndexOutOfBoundsException,
+  SWIG_JavaArithmeticException,
+  SWIG_JavaIllegalArgumentException,
+  SWIG_JavaNullPointerException,
+  SWIG_JavaDirectorPureVirtual,
+  SWIG_JavaUnknownError,
+  SWIG_JavaIllegalStateException,
+} SWIG_JavaExceptionCodes;
+
+typedef struct {
+  SWIG_JavaExceptionCodes code;
+  const char *java_exception;
+} SWIG_JavaExceptions_t;
+%}
+
+%insert(runtime) {
+static void SWIGUNUSED SWIG_JavaThrowException(JNIEnv *jenv, SWIG_JavaExceptionCodes code, const char *msg) {
+  jclass excep;
+  static const SWIG_JavaExceptions_t java_exceptions[] = {
+    { SWIG_JavaOutOfMemoryError, "java/lang/OutOfMemoryError" },
+    { SWIG_JavaIOException, "java/io/IOException" },
+    { SWIG_JavaRuntimeException, "java/lang/RuntimeException" },
+    { SWIG_JavaIndexOutOfBoundsException, "java/lang/IndexOutOfBoundsException" },
+    { SWIG_JavaArithmeticException, "java/lang/ArithmeticException" },
+    { SWIG_JavaIllegalArgumentException, "java/lang/IllegalArgumentException" },
+    { SWIG_JavaNullPointerException, "java/lang/NullPointerException" },
+    { SWIG_JavaDirectorPureVirtual, "java/lang/RuntimeException" },
+    { SWIG_JavaUnknownError,  "java/lang/UnknownError" },
+    { SWIG_JavaIllegalStateException, "java/lang/IllegalStateException" },
+    { (SWIG_JavaExceptionCodes)0,  "java/lang/UnknownError" }
+  };
+  const SWIG_JavaExceptions_t *except_ptr = java_exceptions;
+
+  while (except_ptr->code != code && except_ptr->code)
+    except_ptr++;
+
+  JCALL0(ExceptionClear, jenv);
+  excep = JCALL1(FindClass, jenv, except_ptr->java_exception);
+  if (excep)
+    JCALL2(ThrowNew, jenv, excep, msg);
+}
+}
+
+%insert(runtime) %{
+/* Contract support */
+
+#define SWIG_contract_assert(nullreturn, expr, msg) do { if (!(expr)) {SWIG_JavaThrowException(jenv, SWIG_JavaIllegalArgumentException, msg); return nullreturn; } } while (0)
+%}