1 /* src/vm/array.c - Java array functions
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
30 #include "native/llni.h"
33 #include "vm/exceptions.h"
34 #include "vm/global.h"
35 #include "vm/primitive.h"
39 /* array_element_get ***********************************************************
41 Returns a boxed element of the given Java array.
43 *******************************************************************************/
45 java_handle_t *array_element_get(java_handle_t *a, int32_t index)
52 v = LLNI_vftbl_direct(a);
54 type = v->arraydesc->arraytype;
56 value = array_element_primitive_get(a, index);
58 o = primitive_box(type, value);
64 /* array_element_set ***********************************************************
66 Sets a boxed element in the given Java array.
68 *******************************************************************************/
70 void array_element_set(java_handle_t *a, int32_t index, java_handle_t *o)
74 value = primitive_unbox(o);
76 array_element_primitive_set(a, index, value);
80 /* array_element_primitive_get *************************************************
82 Returns a primitive element of the given Java array.
84 *******************************************************************************/
86 imm_union array_element_primitive_get(java_handle_t *a, int32_t index)
92 v = LLNI_vftbl_direct(a);
94 type = v->arraydesc->arraytype;
97 case ARRAYTYPE_BOOLEAN:
98 value.i = array_booleanarray_element_get((java_handle_booleanarray_t *) a, index);
101 value.i = array_bytearray_element_get((java_handle_bytearray_t *) a,
105 value.i = array_chararray_element_get((java_handle_chararray_t *) a,
108 case ARRAYTYPE_SHORT:
109 value.i = array_shortarray_element_get((java_handle_shortarray_t *) a,
113 value.i = array_intarray_element_get((java_handle_intarray_t *) a,
117 value.l = array_longarray_element_get((java_handle_longarray_t *) a,
120 case ARRAYTYPE_FLOAT:
121 value.f = array_floatarray_element_get((java_handle_floatarray_t *) a,
124 case ARRAYTYPE_DOUBLE:
125 value.d = array_doublearray_element_get((java_handle_doublearray_t *) a,
128 case ARRAYTYPE_OBJECT:
129 value.a = array_objectarray_element_get((java_handle_objectarray_t *) a,
133 vm_abort("array_element_primitive_get: invalid array element type %d",
141 /* array_element_primitive_set *************************************************
143 Sets a primitive element in the given Java array.
145 *******************************************************************************/
147 void array_element_primitive_set(java_handle_t *a, int32_t index, imm_union value)
152 v = LLNI_vftbl_direct(a);
154 type = v->arraydesc->arraytype;
157 case ARRAYTYPE_BOOLEAN:
158 array_booleanarray_element_set((java_handle_booleanarray_t *) a,
162 array_bytearray_element_set((java_handle_bytearray_t *) a,
166 array_chararray_element_set((java_handle_chararray_t *) a,
169 case ARRAYTYPE_SHORT:
170 array_shortarray_element_set((java_handle_shortarray_t *) a,
174 array_intarray_element_set((java_handle_intarray_t *) a,
178 array_longarray_element_set((java_handle_longarray_t *) a,
181 case ARRAYTYPE_FLOAT:
182 array_floatarray_element_set((java_handle_floatarray_t *) a,
185 case ARRAYTYPE_DOUBLE:
186 array_doublearray_element_set((java_handle_doublearray_t *) a,
189 case ARRAYTYPE_OBJECT:
190 array_objectarray_element_set((java_handle_objectarray_t *) a,
194 vm_abort("array_element_primitive_set: invalid array element type %d",
200 /* array_xxxarray_element_get **************************************************
202 Returns a primitive element of the given Java array.
204 *******************************************************************************/
206 #define ARRAY_TYPEARRAY_ELEMENT_GET(name, type) \
207 type array_##name##array_element_get(java_handle_##name##array_t *a, int32_t index) \
213 exceptions_throw_nullpointerexception(); \
217 size = LLNI_array_size(a); \
219 if ((index < 0) || (index > size)) { \
220 exceptions_throw_arrayindexoutofboundsexception(); \
224 value = LLNI_array_direct(a, index); \
229 java_handle_t *array_objectarray_element_get(java_handle_objectarray_t *a, int32_t index)
231 java_handle_t *value;
235 exceptions_throw_nullpointerexception();
239 size = LLNI_array_size(a);
241 if ((index < 0) || (index > size)) {
242 exceptions_throw_arrayindexoutofboundsexception();
247 value = LLNI_WRAP(LLNI_array_direct(a, index));
253 ARRAY_TYPEARRAY_ELEMENT_GET(boolean, uint8_t)
254 ARRAY_TYPEARRAY_ELEMENT_GET(byte, int8_t)
255 ARRAY_TYPEARRAY_ELEMENT_GET(char, uint16_t)
256 ARRAY_TYPEARRAY_ELEMENT_GET(short, int16_t)
257 ARRAY_TYPEARRAY_ELEMENT_GET(int, int32_t)
258 ARRAY_TYPEARRAY_ELEMENT_GET(long, int64_t)
259 ARRAY_TYPEARRAY_ELEMENT_GET(float, float)
260 ARRAY_TYPEARRAY_ELEMENT_GET(double, double)
263 /* array_xxxarray_element_set **************************************************
265 Sets a primitive element in the given Java array.
267 *******************************************************************************/
269 #define ARRAY_TYPEARRAY_ELEMENT_SET(name, type) \
270 void array_##name##array_element_set(java_handle_##name##array_t *a, int32_t index, type value) \
275 exceptions_throw_nullpointerexception(); \
279 size = LLNI_array_size(a); \
281 if ((index < 0) || (index > size)) { \
282 exceptions_throw_arrayindexoutofboundsexception(); \
286 LLNI_array_direct(a, index) = value; \
289 void array_objectarray_element_set(java_handle_objectarray_t *a, int32_t index, java_handle_t *value)
294 exceptions_throw_nullpointerexception();
298 size = LLNI_array_size(a);
300 if ((index < 0) || (index > size)) {
301 exceptions_throw_arrayindexoutofboundsexception();
306 LLNI_array_direct(a, index) = LLNI_UNWRAP(value);
310 ARRAY_TYPEARRAY_ELEMENT_SET(boolean, uint8_t)
311 ARRAY_TYPEARRAY_ELEMENT_SET(byte, int8_t)
312 ARRAY_TYPEARRAY_ELEMENT_SET(char, uint16_t)
313 ARRAY_TYPEARRAY_ELEMENT_SET(short, int16_t)
314 ARRAY_TYPEARRAY_ELEMENT_SET(int, int32_t)
315 ARRAY_TYPEARRAY_ELEMENT_SET(long, int64_t)
316 ARRAY_TYPEARRAY_ELEMENT_SET(float, float)
317 ARRAY_TYPEARRAY_ELEMENT_SET(double, double)
320 /* array_length_get ***********************************************************
322 Returns a the length of the given Java array.
324 *******************************************************************************/
326 int32_t array_length_get(java_handle_t *a)
332 exceptions_throw_nullpointerexception();
336 LLNI_class_get(a, c);
338 if (!class_is_array(c)) {
339 /* exceptions_throw_illegalargumentexception("Argument is not an array"); */
340 exceptions_throw_illegalargumentexception();
344 size = LLNI_array_size(a);
351 * These are local overrides for various environment variables in Emacs.
352 * Please do not remove this and leave it at the end of the file, where
353 * Emacs will automagically detect them.
354 * ---------------------------------------------------------------------
357 * indent-tabs-mode: t
361 * vim:noexpandtab:sw=4:ts=4: