diff options
Diffstat (limited to 'plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/stats/BasicBlockStatement.java')
-rw-r--r-- | plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/stats/BasicBlockStatement.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/stats/BasicBlockStatement.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/stats/BasicBlockStatement.java new file mode 100644 index 000000000000..91c1a4e23c84 --- /dev/null +++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/stats/BasicBlockStatement.java @@ -0,0 +1,96 @@ +/* + * 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.modules.decompiler.stats; + +import org.jetbrains.java.decompiler.code.CodeConstants; +import org.jetbrains.java.decompiler.code.Instruction; +import org.jetbrains.java.decompiler.code.SimpleInstructionSequence; +import org.jetbrains.java.decompiler.code.cfg.BasicBlock; +import org.jetbrains.java.decompiler.main.DecompilerContext; +import org.jetbrains.java.decompiler.main.collectors.CounterContainer; +import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor; + +public class BasicBlockStatement extends Statement { + + // ***************************************************************************** + // private fields + // ***************************************************************************** + + private BasicBlock block; + + // ***************************************************************************** + // constructors + // ***************************************************************************** + + public BasicBlockStatement(BasicBlock block) { + + type = Statement.TYPE_BASICBLOCK; + + this.block = block; + + id = block.id; + CounterContainer coun = DecompilerContext.getCounterContainer(); + if (id >= coun.getCounter(CounterContainer.STATEMENT_COUNTER)) { + coun.setCounter(CounterContainer.STATEMENT_COUNTER, id + 1); + } + + Instruction instr = block.getLastInstruction(); + if (instr != null) { + if (instr.group == CodeConstants.GROUP_JUMP && instr.opcode != CodeConstants.opc_goto) { + lastBasicType = LASTBASICTYPE_IF; + } + else if (instr.group == CodeConstants.GROUP_SWITCH) { + lastBasicType = LASTBASICTYPE_SWITCH; + } + } + + // monitorenter and monitorexits + buildMonitorFlags(); + } + + // ***************************************************************************** + // public methods + // ***************************************************************************** + + public String toJava(int indent) { + return ExprProcessor.listToJava(varDefinitions, indent) + + ExprProcessor.listToJava(exprents, indent); + } + + public Statement getSimpleCopy() { + + BasicBlock newblock = new BasicBlock( + DecompilerContext.getCounterContainer().getCounterAndIncrement(CounterContainer.STATEMENT_COUNTER)); + + SimpleInstructionSequence seq = new SimpleInstructionSequence(); + for (int i = 0; i < block.getSeq().length(); i++) { + seq.addInstruction(block.getSeq().getInstr(i).clone(), -1); + } + + newblock.setSeq(seq); + + return new BasicBlockStatement(newblock); + } + + + // ***************************************************************************** + // getter and setter methods + // ***************************************************************************** + + public BasicBlock getBlock() { + return block; + } +} |