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Diffstat (limited to 'plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/code/SwitchInstruction.java')
-rw-r--r--plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/code/SwitchInstruction.java97
1 files changed, 97 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/code/SwitchInstruction.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/code/SwitchInstruction.java
new file mode 100644
index 000000000000..6aa6a7f7eb34
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/code/SwitchInstruction.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jetbrains.java.decompiler.code;
+
+/*
+ * opc_tableswitch, lookupswitch
+ */
+
+public class SwitchInstruction extends Instruction {
+
+ private int[] destinations;
+
+ private int[] values;
+
+ private int defaultdest;
+
+ public SwitchInstruction() {
+ }
+
+
+ public void initInstruction(InstructionSequence seq) {
+
+ int pref = (opcode == CodeConstants.opc_tableswitch ? 3 : 2);
+ int len = this.getOperands().length - pref;
+ defaultdest = seq.getPointerByRelOffset(this.getOperand(0));
+
+ int low = 0;
+
+ if (opcode == CodeConstants.opc_lookupswitch) {
+ len /= 2;
+ }
+ else {
+ low = this.getOperand(1);
+ }
+
+ destinations = new int[len];
+ values = new int[len];
+
+ for (int i = 0, k = 0; i < len; i++, k++) {
+ if (opcode == CodeConstants.opc_lookupswitch) {
+ values[i] = this.getOperand(pref + k);
+ k++;
+ }
+ else {
+ values[i] = low + k;
+ }
+ destinations[i] = seq.getPointerByRelOffset(this.getOperand(pref + k));
+ }
+ }
+
+ public SwitchInstruction clone() {
+ SwitchInstruction newinstr = (SwitchInstruction)super.clone();
+
+ newinstr.defaultdest = defaultdest;
+ newinstr.destinations = destinations.clone();
+ newinstr.values = values.clone();
+
+ return newinstr;
+ }
+
+ public int[] getDestinations() {
+ return destinations;
+ }
+
+ public void setDestinations(int[] destinations) {
+ this.destinations = destinations;
+ }
+
+ public int getDefaultdest() {
+ return defaultdest;
+ }
+
+ public void setDefaultdest(int defaultdest) {
+ this.defaultdest = defaultdest;
+ }
+
+ public int[] getValues() {
+ return values;
+ }
+
+ public void setValues(int[] values) {
+ this.values = values;
+ }
+}