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41 lines
959 B
C
41 lines
959 B
C
#include <stdlib.h>
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#include <stdio.h>
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#include <iface.h>
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void check (JNIEnv *);
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void check(JNIEnv *env)
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{
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if ((*env)->ExceptionCheck(env) != JNI_FALSE)
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{
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fprintf(stderr, "UNEXPECTED EXCEPTION\n");
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exit(-1);
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}
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}
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void
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Java_iface_doCalls (JNIEnv *env, jobject self, jobject other)
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{
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jclass iface_class, comparable_class;
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jmethodID iface_meth, comparable_meth;
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jvalue args[1];
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iface_class = (*env)->FindClass(env, "iface");
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check (env);
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comparable_class = (*env)->FindClass (env, "mycomp");
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check (env);
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iface_meth = (*env)->GetMethodID (env, iface_class, "compareTo",
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"(Ljava/lang/Object;)I");
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check (env);
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comparable_meth = (*env)->GetMethodID (env, comparable_class, "compareTo",
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"(Ljava/lang/Object;)I");
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check (env);
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args[0].l = other;
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(*env)->CallObjectMethodA (env, self, iface_meth, args);
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check (env);
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(*env)->CallObjectMethodA (env, self, comparable_meth, args);
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check (env);
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}
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