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-rwxr-xr-xbundles/org.eclipse.swt/Eclipse SWT/common/library/callback.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/common/library/callback.c b/bundles/org.eclipse.swt/Eclipse SWT/common/library/callback.c
deleted file mode 100755
index 255e75adbb..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/common/library/callback.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * (c) Copyright IBM Corp., 2000, 2001
- * All Rights Reserved.
- */
-
-/**
- * Callback implementation.
- */
-#include "swt.h"
-#include "callback.h"
-
-/* --------------- callback globals ----------------- */
-
-SWT_CALLBACKINFO dllCallbackInfo[MAX_CALLBACKS];
-jfieldID objectID;
-jfieldID addressID;
-jfieldID methodID;
-jfieldID signatureID;
-jfieldID isStaticID;
-jfieldID argCountID;
-jfieldID isArrayBasedID;
-int callbackCached;
-int initialized;
-int counter;
-int CallbacksEnabled = 1;
-
-/* --------------- callback functions --------------- */
-
-/* Function name from index and number of arguments */
-#define FN(index, args) fn##index##_##args
-
-/**
- * Functions templates
- *
- * NOTE: If the maximum number of arguments changes (MAX_ARGS), the number
- * of function templates has to change accordinglly.
- */
-
-/* Function template with no arguments */
-#define FN_0(index) RETURN_TYPE FN(index, 0)() { return RETURN_CAST callback(index); }
-
-/* Function template with 1 argument */
-#define FN_1(index) RETURN_TYPE FN(index, 1)(int p1) { return RETURN_CAST callback(index, p1); }
-
-/* Function template with 2 arguments */
-#define FN_2(index) RETURN_TYPE FN(index, 2)(int p1, int p2) { return RETURN_CAST callback(index, p1, p2); }
-
-/* Function template with 3 arguments */
-#define FN_3(index) RETURN_TYPE FN(index, 3)(int p1, int p2, int p3) { return RETURN_CAST callback(index, p1, p2, p3); }
-
-/* Function template with 4 arguments */
-#define FN_4(index) RETURN_TYPE FN(index, 4)(int p1, int p2, int p3, int p4) { return RETURN_CAST callback(index, p1, p2, p3, p4); }
-
-/* Function template with 5 arguments */
-#define FN_5(index) RETURN_TYPE FN(index, 5)(int p1, int p2, int p3, int p4, int p5) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5); }
-
-/* Function template with 6 arguments */
-#define FN_6(index) RETURN_TYPE FN(index, 6)(int p1, int p2, int p3, int p4, int p5, int p6) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6); }
-
-/* Function template with 7 arguments */
-#define FN_7(index) RETURN_TYPE FN(index, 7)(int p1, int p2, int p3, int p4, int p5, int p6, int p7) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6, p7); }
-
-/* Function template with 8 arguments */
-#define FN_8(index) RETURN_TYPE FN(index, 8)(int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6, p7, p8); }
-
-/* Function template with 9 arguments */
-#define FN_9(index) RETURN_TYPE FN(index, 9)(int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8, int p9) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6, p7, p8, p9); }
-
-/* Function template with 10 arguments */
-#define FN_10(index) RETURN_TYPE FN(index, 10) (int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8, int p9, int p10) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10); }
-
-/* Function template with 11 arguments */
-#define FN_11(index) RETURN_TYPE FN(index, 11) (int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8, int p9, int p10, int p11) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11); }
-
-/* Function template with 12 arguments */
-#define FN_12(index) RETURN_TYPE FN(index, 12) (int p1, int p2, int p3, int p4, int p5, int p6, int p7, int p8, int p9, int p10, int p11, int p12) { return RETURN_CAST callback(index, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12); }
-
-/**
- * Define all functions with the specified number of arguments.
- *
- * NOTE: If the maximum number of callbacks changes (MAX_CALLBACKS),
- * this macro has to be updated.
- */
-#define FN_BLOCK(args) FN_##args##(0) FN_##args##(1) FN_##args##(2) FN_##args##(3) FN_##args##(4) FN_##args##(5) FN_##args##(6) FN_##args##(7) FN_##args##(8) FN_##args##(9) FN_##args##(10) FN_##args##(11) FN_##args##(12) FN_##args##(13) FN_##args##(14) FN_##args##(15) FN_##args##(16) FN_##args##(17) FN_##args##(18) FN_##args##(19) FN_##args##(20) FN_##args##(21) FN_##args##(22) FN_##args##(23) FN_##args##(24) FN_##args##(25) FN_##args##(26) FN_##args##(27) FN_##args##(28) FN_##args##(29) FN_##args##(30) FN_##args##(31) FN_##args##(32) FN_##args##(33) FN_##args##(34) FN_##args##(35) FN_##args##(36) FN_##args##(37) FN_##args##(38) FN_##args##(39) FN_##args##(40) FN_##args##(41) FN_##args##(42) FN_##args##(43) FN_##args##(44) FN_##args##(45) FN_##args##(46) FN_##args##(47) FN_##args##(48) FN_##args##(49) FN_##args##(50) FN_##args##(51) FN_##args##(52) FN_##args##(53) FN_##args##(54) FN_##args##(55) FN_##args##(56) FN_##args##(57) FN_##args##(58) FN_##args##(59) FN_##args##(60) FN_##args##(61) FN_##args##(62) FN_##args##(63) FN_##args##(64) FN_##args##(65) FN_##args##(66) FN_##args##(67) FN_##args##(68) FN_##args##(69) FN_##args##(70) FN_##args##(71) FN_##args##(72) FN_##args##(73) FN_##args##(74) FN_##args##(75) FN_##args##(76) FN_##args##(77) FN_##args##(78) FN_##args##(79) FN_##args##(80) FN_##args##(81) FN_##args##(82) FN_##args##(83) FN_##args##(84) FN_##args##(85) FN_##args##(86) FN_##args##(87) FN_##args##(88) FN_##args##(89) FN_##args##(90) FN_##args##(91) FN_##args##(92) FN_##args##(93) FN_##args##(94) FN_##args##(95) FN_##args##(96) FN_##args##(97) FN_##args##(98) FN_##args##(99) FN_##args##(100) FN_##args##(101) FN_##args##(102) FN_##args##(103) FN_##args##(104) FN_##args##(105) FN_##args##(106) FN_##args##(107) FN_##args##(108) FN_##args##(109) FN_##args##(110) FN_##args##(111) FN_##args##(112) FN_##args##(113) FN_##args##(114) FN_##args##(115) FN_##args##(116) FN_##args##(117) FN_##args##(118) FN_##args##(119) FN_##args##(120) FN_##args##(121) FN_##args##(122) FN_##args##(123) FN_##args##(124) FN_##args##(125) FN_##args##(126) FN_##args##(127)
-
-/**
- * Define all callback functions.
- *
- * NOTE: If the maximum number of arguments changes (MAX_ARGS), the following
- * has to change accordinglly.
- */
-FN_BLOCK(0)
-FN_BLOCK(1)
-FN_BLOCK(2)
-FN_BLOCK(3)
-FN_BLOCK(4)
-FN_BLOCK(5)
-FN_BLOCK(6)
-FN_BLOCK(7)
-FN_BLOCK(8)
-FN_BLOCK(9)
-FN_BLOCK(10)
-FN_BLOCK(11)
-FN_BLOCK(12)
-
-/**
- * Initialize the function pointers for the callback routines.
- *
- * NOTE: If MAX_ARGS or MAX_CALLBACKS changes, the following has to be updated.
- */
-#define FN_A_BLOCK(args) {(int *)FN(0, args),(int *)FN(1, args),(int *)FN(2, args),(int *)FN(3, args),(int *)FN(4, args),(int *)FN(5, args),(int *)FN(6, args),(int *)FN(7, args),(int *)FN(8, args),(int *)FN(9, args),(int *)FN(10, args),(int *)FN(11, args),(int *)FN(12, args),(int *)FN(13, args),(int *)FN(14, args),(int *)FN(15, args),(int *)FN(16, args),(int *)FN(17, args),(int *)FN(18, args),(int *)FN(19, args),(int *)FN(20, args),(int *)FN(21, args),(int *)FN(22, args),(int *)FN(23, args),(int *)FN(24, args),(int *)FN(25, args),(int *)FN(26, args),(int *)FN(27, args),(int *)FN(28, args),(int *)FN(29, args),(int *)FN(30, args),(int *)FN(31, args),(int *)FN(32, args),(int *)FN(33, args),(int *)FN(34, args),(int *)FN(35, args),(int *)FN(36, args),(int *)FN(37, args),(int *)FN(38, args),(int *)FN(39, args),(int *)FN(40, args),(int *)FN(41, args),(int *)FN(42, args),(int *)FN(43, args),(int *)FN(44, args),(int *)FN(45, args),(int *)FN(46, args),(int *)FN(47, args),(int *)FN(48, args),(int *)FN(49, args),(int *)FN(50, args),(int *)FN(51, args),(int *)FN(52, args),(int *)FN(53, args),(int *)FN(54, args),(int *)FN(55, args),(int *)FN(56, args),(int *)FN(57, args),(int *)FN(58, args),(int *)FN(59, args),(int *)FN(60, args),(int *)FN(61, args),(int *)FN(62, args),(int *)FN(63, args),(int *)FN(64, args),(int *)FN(65, args),(int *)FN(66, args),(int *)FN(67, args),(int *)FN(68, args),(int *)FN(69, args),(int *)FN(70, args),(int *)FN(71, args),(int *)FN(72, args),(int *)FN(73, args),(int *)FN(74, args),(int *)FN(75, args),(int *)FN(76, args),(int *)FN(77, args),(int *)FN(78, args),(int *)FN(79, args),(int *)FN(80, args),(int *)FN(81, args),(int *)FN(82, args),(int *)FN(83, args),(int *)FN(84, args),(int *)FN(85, args),(int *)FN(86, args),(int *)FN(87, args),(int *)FN(88, args),(int *)FN(89, args),(int *)FN(90, args),(int *)FN(91, args),(int *)FN(92, args),(int *)FN(93, args),(int *)FN(94, args),(int *)FN(95, args),(int *)FN(96, args),(int *)FN(97, args),(int *)FN(98, args),(int *)FN(99, args),(int *)FN(100, args),(int *)FN(101, args),(int *)FN(102, args),(int *)FN(103, args),(int *)FN(104, args),(int *)FN(105, args),(int *)FN(106, args),(int *)FN(107, args),(int *)FN(108, args),(int *)FN(109, args),(int *)FN(110, args),(int *)FN(111, args),(int *)FN(112, args),(int *)FN(113, args),(int *)FN(114, args),(int *)FN(115, args),(int *)FN(116, args),(int *)FN(117, args),(int *)FN(118, args),(int *)FN(119, args),(int *)FN(120, args),(int *)FN(121, args),(int *)FN(122, args),(int *)FN(123, args),(int *)FN(124, args),(int *)FN(125, args),(int *)FN(126, args),(int *)FN(127, args)},
-
-int * fnx_array[MAX_ARGS+1][MAX_CALLBACKS] = {
- FN_A_BLOCK(0)
- FN_A_BLOCK(1)
- FN_A_BLOCK(2)
- FN_A_BLOCK(3)
- FN_A_BLOCK(4)
- FN_A_BLOCK(5)
- FN_A_BLOCK(6)
- FN_A_BLOCK(7)
- FN_A_BLOCK(8)
- FN_A_BLOCK(9)
- FN_A_BLOCK(10)
- FN_A_BLOCK(11)
- FN_A_BLOCK(12)
-};
-
-
-/* --------------- callback class calls --------------- */
-
-/*
- * Class: org_eclipse_swt_internal_Callback
- * Method: bind
- * Signature: (Lorg/eclipse/swt/internal/Callback;)I
- */
-JNIEXPORT jint JNICALL Java_org_eclipse_swt_internal_Callback_bind
- (JNIEnv *env, jclass that, jobject lpCallback)
-/*
-** The methodID is computed once during the bind and will be valid
-** unless the Callback class is reloaded.
-*/
-{
- DECL_GLOB(pGlob)
- int i;
- jclass javaClass;
- jobject javaObject, javaMethod, javaSignature;
- jboolean isStatic, isArrayBased;
- jint argCount;
- jmethodID mid;
- const char *methodString, *sigString;
-
- javaClass = that;
- if (!PGLOB(callbackCached)) {
- PGLOB(objectID) = (*env)->GetFieldID(env,javaClass,"object","Ljava/lang/Object;");
- PGLOB(addressID) = (*env)->GetFieldID(env,javaClass,"address","I");
- PGLOB(methodID) = (*env)->GetFieldID(env,javaClass,"method","Ljava/lang/String;");
- PGLOB(signatureID) = (*env)->GetFieldID(env,javaClass,"signature","Ljava/lang/String;");
- PGLOB(isStaticID) = (*env)->GetFieldID(env,javaClass,"isStatic","Z");
- PGLOB(argCountID) = (*env)->GetFieldID(env,javaClass,"argCount","I");
- PGLOB(isArrayBasedID) = (*env)->GetFieldID(env,javaClass,"isArrayBased","Z");
- PGLOB(callbackCached) = 1;
- }
- javaObject = (*env)->GetObjectField(env,lpCallback,PGLOB(objectID));
- javaMethod = (*env)->GetObjectField(env,lpCallback,PGLOB(methodID));
- javaSignature = (*env)->GetObjectField(env,lpCallback,PGLOB(signatureID));
- isStatic = (*env)->GetBooleanField(env,lpCallback,PGLOB(isStaticID));
- argCount = (*env)->GetIntField(env,lpCallback,PGLOB(argCountID));
- isArrayBased = (*env)->GetBooleanField(env,lpCallback,PGLOB(isArrayBasedID));
- methodString = (const char *) (*env)->GetStringUTFChars(env, javaMethod, NULL);
- sigString = (const char *) (*env)->GetStringUTFChars(env, javaSignature, NULL);
- if (isStatic) {
- mid = (*env)->GetStaticMethodID(env, javaObject, methodString, sigString);
- } else {
- javaClass = (*env)->GetObjectClass(env,javaObject);
- /* note that this call is reusing javaClass */
- mid = (*env)->GetMethodID(env, javaClass, methodString, sigString);
- }
- (*env)->ReleaseStringUTFChars(env, javaMethod, methodString);
- (*env)->ReleaseStringUTFChars(env, javaSignature, sigString);
- if (PGLOB(initialized)==0) {
- memset((void *)&PGLOB(dllCallbackInfo), 0, sizeof(PGLOB(dllCallbackInfo)));
- PGLOB(initialized) = 1;
- }
- for (i=0; i<MAX_CALLBACKS; i++) {
- if (!PGLOB(dllCallbackInfo)[i].callin) {
- PGLOB(dllCallbackInfo)[i].callin = (*env)->NewGlobalRef(env,lpCallback);
- PGLOB(dllCallbackInfo)[i].env = env;
- PGLOB(dllCallbackInfo)[i].methodID = mid;
-
- return (jint) fnx_array[argCount][i];
- }
- }
- fprintf(stderr, "bind fail, no free callback slot ******* \n");
- return 0; /* this means there was no free callback slot */
-}
-
-/*
- * Class: org_eclipse_swt_internal_Callback
- * Method: unbind
- * Signature: (Lorg/eclipse/swt/internal/Callback;)V
- */
-JNIEXPORT void JNICALL Java_org_eclipse_swt_internal_Callback_unbind
- (JNIEnv *env, jclass that, jobject lpCallback)
-{
- DECL_GLOB(pGlob)
- int i, address, argCount;
- if (!PGLOB(callbackCached)) return;
-
- address = (*env)->GetIntField(env,lpCallback,PGLOB(addressID));
- argCount = (*env)->GetIntField(env,lpCallback,PGLOB(argCountID));
-
- for (i=0; i<MAX_CALLBACKS; i++) {
- if ((int)fnx_array[argCount][i] == address) {
- (*env)->DeleteGlobalRef(env, PGLOB(dllCallbackInfo)[i].callin);
- PGLOB(dllCallbackInfo)[i].callin = 0;
- PGLOB(dllCallbackInfo)[i].env = 0;
- PGLOB(dllCallbackInfo)[i].methodID = 0;
- }
- }
-}
-
-/*
- * Class: org_eclipse_swt_internal_Callback
- * Method: setEnabled
- * Signature: (Z)V
- */
-JNIEXPORT void JNICALL Java_org_eclipse_swt_internal_Callback_setEnabled
- (JNIEnv *env, jclass that, jboolean enable)
-{
- CallbacksEnabled = enable;
-}
-
-/*
- * Class: org_eclipse_swt_internal_Callback
- * Method: getEnabled
- * Signature: ()Z
- */
-JNIEXPORT jboolean JNICALL Java_org_eclipse_swt_internal_Callback_getEnabled
- (JNIEnv *env, jclass that, jboolean enable)
-{
- return (jboolean)CallbacksEnabled;
-}
-
-int callback(int index, ...)
-{
- if (!CallbacksEnabled) {
- return 0;
- } else {
-
- DECL_GLOB(pGlob)
- jobject callback = PGLOB(dllCallbackInfo)[index].callin;
- JNIEnv *env = PGLOB(dllCallbackInfo)[index].env;
- jmethodID mid = PGLOB(dllCallbackInfo)[index].methodID;
- jobject javaObject;
- jboolean isStatic, isArrayBased;
-
- int result = 0;
- va_list vl;
-
-#ifdef DEBUG_CALL_PRINTS
- fprintf(stderr, "* callback starting %d\n", PGLOB(counter)++);
-#endif
-
- /* An exception has already occurred. Allow the stack to unwind so that
- the exception will be thrown in Java */
- if ((*env)->ExceptionOccurred(env)) {
-
-#ifdef DEBUG_CALL_PRINTS
- fprintf(stderr, "************ java exception occurred\n");
-#endif
-
- return 0;
- }
-
- javaObject = (*env)->GetObjectField(env,callback,PGLOB(objectID));
- isStatic = ((*env)->GetBooleanField(env,callback,PGLOB(isStaticID))) != 0;
- isArrayBased = ((*env)->GetBooleanField(env,callback,PGLOB(isArrayBasedID))) != 0;
-
- va_start(vl, index);
- if (isArrayBased) {
- int i;
- jint argCount = (*env)->GetIntField(env,callback,PGLOB(argCountID));
- jintArray javaArray = (*env)->NewIntArray(env,argCount);
- jint *elements = (*env)->GetIntArrayElements(env,javaArray,NULL);
- for (i=0; i<argCount; i++) {
- elements[i] = va_arg(vl, jint);
- }
- (*env)->ReleaseIntArrayElements(env, javaArray, elements, 0);
- if (isStatic) {
- result = (*env)->CallStaticIntMethod(env, javaObject, mid, javaArray);
- } else {
- result = (*env)->CallIntMethod(env, javaObject, mid, javaArray);
- }
- (*env)->DeleteLocalRef(env, javaArray);
- } else {
- if (isStatic) {
- result = (*env)->CallStaticIntMethodV(env, javaObject, mid, vl);
- } else {
- result = (*env)->CallIntMethodV(env, javaObject, mid, vl);
- }
- }
- va_end(vl);
- /* This call may be called many times before we return to Java.
- We have to explicitly delete local references to avoid GP's
- in the JDK and IBM Hursley VM.
- */
- (*env)->DeleteLocalRef(env,javaObject);
-
-#ifdef DEBUG_CALL_PRINTS
- fprintf(stderr, "* callback exiting %d\n", --PGLOB(counter));
-#endif
- return result;
- }
-}
-
-/*
- * Class: org_eclipse_swt_internal_Callback
- * Method: reset
- * Signature: ()V
- */
-JNIEXPORT void JNICALL Java_org_eclipse_swt_internal_Callback_reset
- (JNIEnv *env, jclass that)
-{
- DECL_GLOB(pGlob)
- memset((void *)&PGLOB(dllCallbackInfo), 0, sizeof(PGLOB(dllCallbackInfo)));
-}
-
-/*
- * Class: org_eclipse_swt_internal_Callback
- * Method: getPlatform
- * Signature: ()Ljava/lang/String;
- */
-JNIEXPORT jstring JNICALL Java_org_eclipse_swt_internal_Callback_getPlatform
- (JNIEnv *env, jclass that)
-{
- return (*env)->NewStringUTF(env, PLATFORM);
-}
-
-/* ------------- callback class calls end --------------- */

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