[java decompiler] updates copyright comment

This commit is contained in:
Roman Shevchenko
2017-11-28 12:32:07 +01:00
parent 6bcc6a511f
commit 7521c17aba
214 changed files with 329 additions and 3325 deletions

View File

@@ -1,18 +1,4 @@
/*
* Copyright 2000-2015 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.
*/
// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.java.decompiler.struct.match;
import java.util.ArrayList;
@@ -35,9 +21,9 @@ import org.jetbrains.java.decompiler.struct.match.MatchNode.RuleValue;
public class MatchEngine {
private MatchNode rootNode = null;
private final Map<String, Object> variables = new HashMap<>();
private static final Map<String, MatchProperties> stat_properties = new HashMap<>();
private static final Map<String, MatchProperties> expr_properties = new HashMap<>();
private static final Map<String, Integer> stat_type = new HashMap<>();
@@ -46,7 +32,7 @@ public class MatchEngine {
private static final Map<String, Integer> expr_exit_type = new HashMap<>();
private static final Map<String, Integer> stat_if_type = new HashMap<>();
private static final Map<String, VarType> expr_const_type = new HashMap<>();
static {
stat_properties.put("type", MatchProperties.STATEMENT_TYPE);
stat_properties.put("ret", MatchProperties.STATEMENT_RET);
@@ -54,7 +40,7 @@ public class MatchEngine {
stat_properties.put("statsize", MatchProperties.STATEMENT_STATSIZE);
stat_properties.put("exprsize", MatchProperties.STATEMENT_EXPRSIZE);
stat_properties.put("iftype", MatchProperties.STATEMENT_IFTYPE);
expr_properties.put("type", MatchProperties.EXPRENT_TYPE);
expr_properties.put("ret", MatchProperties.EXPRENT_RET);
expr_properties.put("position", MatchProperties.EXPRENT_POSITION);
@@ -67,14 +53,14 @@ public class MatchEngine {
expr_properties.put("parameter", MatchProperties.EXPRENT_INVOCATION_PARAMETER);
expr_properties.put("index", MatchProperties.EXPRENT_VAR_INDEX);
expr_properties.put("name", MatchProperties.EXPRENT_FIELD_NAME);
stat_type.put("if", Statement.TYPE_IF);
stat_type.put("do", Statement.TYPE_DO);
stat_type.put("switch", Statement.TYPE_SWITCH);
stat_type.put("trycatch", Statement.TYPE_TRYCATCH);
stat_type.put("basicblock", Statement.TYPE_BASICBLOCK);
stat_type.put("sequence", Statement.TYPE_SEQUENCE);
expr_type.put("array", Exprent.EXPRENT_ARRAY);
expr_type.put("assignment", Exprent.EXPRENT_ASSIGNMENT);
expr_type.put("constant", Exprent.EXPRENT_CONST);
@@ -89,9 +75,9 @@ public class MatchEngine {
expr_type.put("var", Exprent.EXPRENT_VAR);
expr_type.put("annotation", Exprent.EXPRENT_ANNOTATION);
expr_type.put("assert", Exprent.EXPRENT_ASSERT);
expr_func_type.put("eq", FunctionExprent.FUNCTION_EQ);
expr_exit_type.put("return", ExitExprent.EXIT_RETURN);
expr_exit_type.put("throw", ExitExprent.EXIT_THROW);
@@ -101,44 +87,44 @@ public class MatchEngine {
expr_const_type.put("null", VarType.VARTYPE_NULL);
expr_const_type.put("string", VarType.VARTYPE_STRING);
}
public void parse(String description) {
// each line is a separate statement/exprent
// each line is a separate statement/exprent
String[] lines = description.split("\n");
int depth = 0;
int depth = 0;
LinkedList<MatchNode> stack = new LinkedList<>();
for(String line : lines) {
List<String> properties = new ArrayList<>(Arrays.asList(line.split("\\s+"))); // split on any number of whitespaces
if(properties.get(0).isEmpty()) {
properties.remove(0);
}
int node_type = "statement".equals(properties.get(0)) ? MatchNode.MATCHNODE_STATEMENT : MatchNode.MATCHNODE_EXPRENT;
// create new node
MatchNode matchNode = new MatchNode(node_type);
for(int i = 1; i < properties.size(); ++i) {
String[] values = properties.get(i).split(":");
MatchProperties property = (node_type == MatchNode.MATCHNODE_STATEMENT ? stat_properties : expr_properties).get(values[0]);
if(property == null) { // unknown property defined
throw new RuntimeException("Unknown matching property");
} else {
Object value = null;
int parameter = 0;
String strValue = values[1];
if(values.length == 3) {
parameter = Integer.parseInt(values[1]);
strValue = values[2];
}
switch(property) {
case STATEMENT_TYPE:
value = stat_type.get(strValue);
@@ -181,74 +167,74 @@ public class MatchEngine {
matchNode.addRule(property, new RuleValue(parameter, value));
}
}
if(stack.isEmpty()) { // first line, root node
stack.push(matchNode);
} else {
// return to the correct parent on the stack
// return to the correct parent on the stack
int new_depth = line.lastIndexOf(' ', depth) + 1;
for(int i = new_depth; i <= depth; ++i) {
stack.pop();
}
// insert new node
stack.getFirst().addChild(matchNode);
stack.push(matchNode);
depth = new_depth;
depth = new_depth;
}
}
this.rootNode = stack.getLast();
}
public boolean match(IMatchable object) {
variables.clear();
return match(this.rootNode, object);
}
private boolean match(MatchNode matchNode, IMatchable object) {
if(!object.match(matchNode, this)) {
if(!object.match(matchNode, this)) {
return false;
}
int expr_index = 0;
int stat_index = 0;
for(MatchNode childNode : matchNode.getChildren()) {
boolean isStatement = childNode.getType() == MatchNode.MATCHNODE_STATEMENT;
IMatchable childObject = object.findObject(childNode, isStatement ? stat_index : expr_index);
if(childObject == null || !match(childNode, childObject)) {
return false;
}
if(isStatement) {
stat_index++;
} else {
expr_index++;
}
}
return true;
}
public boolean checkAndSetVariableValue(String name, Object value) {
Object old_value = variables.get(name);
if(old_value == null) {
variables.put(name, value);
} else if(!old_value.equals(value)) {
return false;
}
return true;
}
public Object getVariableValue(String name) {
return variables.get(name);
}
}