Files
jpexs-decompiler/libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/GraphTargetItem.java
Jindra Petřík cac19d6cb9 Stack handling improved - no more StackEmptyException
And/Or handling improved
Preprocessor instructions introduced - §§pop,§§push...
2015-06-12 13:04:13 +02:00

320 lines
9.0 KiB
Java

/*
* Copyright (C) 2010-2015 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.graph;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.configuration.Configuration;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.flash.helpers.HighlightedTextWriter;
import com.jpexs.decompiler.flash.helpers.hilight.HighlightData;
import com.jpexs.decompiler.graph.model.BinaryOp;
import com.jpexs.decompiler.graph.model.LocalData;
import com.jpexs.decompiler.graph.model.LogicalOpItem;
import com.jpexs.decompiler.graph.model.NotItem;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author JPEXS
*/
public abstract class GraphTargetItem implements Serializable, Cloneable {
public static final int PRECEDENCE_PRIMARY = 0;
public static final int PRECEDENCE_POSTFIX = 1;
public static final int PRECEDENCE_UNARY = 2;
public static final int PRECEDENCE_MULTIPLICATIVE = 3;
public static final int PRECEDENCE_ADDITIVE = 4;
public static final int PRECEDENCE_BITWISESHIFT = 5;
public static final int PRECEDENCE_RELATIONAL = 6;
public static final int PRECEDENCE_EQUALITY = 7;
public static final int PRECEDENCE_BITWISEAND = 8;
public static final int PRECEDENCE_BITWISEXOR = 9;
public static final int PRECEDENCE_BITWISEOR = 10;
public static final int PRECEDENCE_LOGICALAND = 11;
public static final int PRECEDENCE_LOGICALOR = 12;
public static final int PRECEDENCE_CONDITIONAL = 13;
public static final int PRECEDENCE_ASSIGMENT = 14;
public static final int PRECEDENCE_COMMA = 15;
public static final int NOPRECEDENCE = 16;
public GraphSourceItem src;
public int pos = -1;
protected int precedence;
public List<GraphSourceItemPos> moreSrc = new ArrayList<>();
public GraphPart firstPart;
public GraphTargetItem value;
protected HighlightData srcData = new HighlightData();
public int getLine() {
if (src != null) {
return src.getLine();
}
return 0;
}
public String getFile() {
if (src != null) {
return src.getFile();
}
return null;
}
public GraphPart getFirstPart() {
if (value == null) {
return firstPart;
}
GraphPart ret = value.getFirstPart();
if (ret == null) {
return firstPart;
}
return ret;
}
public GraphTargetItem() {
this(null, NOPRECEDENCE);
}
public GraphTargetItem(GraphSourceItem src, int precedence) {
this.src = src;
this.precedence = precedence;
}
public List<GraphSourceItemPos> getNeededSources() {
List<GraphSourceItemPos> ret = new ArrayList<>();
ret.add(new GraphSourceItemPos(src, pos));
ret.addAll(moreSrc);
if (value != null) {
ret.addAll(value.getNeededSources());
}
return ret;
}
public GraphTextWriter toStringSemicoloned(GraphTextWriter writer, LocalData localData) throws InterruptedException {
writer.startOffset(src, pos, srcData);
appendTo(writer, localData);
if (needsSemicolon()) {
writer.appendNoHilight(";");
}
writer.endOffset();
return writer;
}
public boolean needsSemicolon() {
return true;
}
@Override
public String toString() {
return this.getClass().getName();
}
public GraphTextWriter toString(GraphTextWriter writer, LocalData localData) throws InterruptedException {
writer.startOffset(src, pos, srcData);
appendTo(writer, localData);
writer.endOffset();
return writer;
}
public abstract GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException;
public String toString(LocalData localData) throws InterruptedException {
HighlightedTextWriter writer = new HighlightedTextWriter(Configuration.getCodeFormatting(), false);
toString(writer, localData);
return writer.toString();
}
public int getPrecedence() {
return precedence;
}
public boolean isCompileTime() {
Set<GraphTargetItem> dependencies = new HashSet<>();
dependencies.add(this);
return isCompileTime(dependencies);
}
public boolean isCompileTime(Set<GraphTargetItem> dependencies) {
return false;
}
public boolean hasSideEffect() {
return false;
}
public boolean isVariableComputed() {
return false;
}
public Object getResult() {
return null;
}
public String toStringNoQuotes(LocalData localData) {
return toString();
}
public GraphTextWriter toStringNoQuotes(GraphTextWriter writer, LocalData localData) throws InterruptedException {
writer.startOffset(src, pos, srcData);
appendToNoQuotes(writer, localData);
writer.endOffset();
return writer;
}
public GraphTextWriter appendToNoQuotes(GraphTextWriter writer, LocalData localData) throws InterruptedException {
return toString(writer, localData);
}
public GraphTargetItem getNotCoerced() {
return this;
}
public GraphTargetItem getThroughRegister() {
return this;
}
public boolean needsNewLine() {
return false;
}
public GraphTextWriter toStringNL(GraphTextWriter writer, LocalData localData) throws InterruptedException {
writer.startOffset(src, pos, srcData);
appendTo(writer, localData);
if (needsNewLine()) {
writer.newLine();
}
writer.endOffset();
return writer;
}
public boolean isEmpty() {
return false;
}
public GraphTargetItem getThroughNotCompilable() {
return this;
}
public GraphTargetItem getThroughDuplicate() {
return this;
}
public boolean valueEquals(GraphTargetItem target) {
return equals(target);
}
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
return new ArrayList<>();
}
public List<GraphSourceItem> toSourceIgnoreReturnValue(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
if (!hasReturnValue()) {
return toSource(localData, generator);
}
return generator.generateDiscardValue(localData, this);
}
protected List<GraphSourceItem> toSourceBinary(BinaryOp op, GraphSourceItem action) {
List<GraphSourceItem> ret = new ArrayList<>();
return ret;
}
public static List<GraphSourceItem> toSourceMerge(SourceGeneratorLocalData localData, SourceGenerator gen, Object... tar) throws CompilationException {
List<GraphSourceItem> ret = new ArrayList<>();
for (Object o : tar) {
if (o == null) {
continue;
}
if (o instanceof GraphTargetItem) {
ret.addAll(((GraphTargetItem) o).toSource(localData, gen));
}
if (o instanceof GraphSourceItem) {
ret.add((GraphSourceItem) o);
}
if (o instanceof List) {
List l = (List) o;
for (Object o2 : l) {
if (o2 instanceof GraphSourceItem) {
ret.add((GraphSourceItem) o2);
}
if (o2 instanceof GraphTargetItem) {
ret.addAll(((GraphTargetItem) o2).toSource(localData, gen));
}
}
}
}
return ret;
}
public abstract boolean hasReturnValue();
public List<GraphTargetItem> getAllSubItems() {
List<GraphTargetItem> ret = new ArrayList<>();
if (value != null) {
ret.add(value);
}
return ret;
}
public abstract GraphTargetItem returnType();
@Override
protected GraphTargetItem clone() {
try {
return (GraphTargetItem) super.clone();
} catch (CloneNotSupportedException ex) {
return null;
}
}
/*public GraphTargetItem invert() {
return invert(null);
}*/
public GraphTargetItem invert(GraphSourceItem src) {
return new NotItem(src, this);
}
}