university-projects/AsmCompiler
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Исправления и оптимизация

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Victor 2014-08-22 11:56:18 +03:00
parent 6ead777ba3
commit b1d8591410
30 changed files with 1194 additions and 1194 deletions
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282
src/com/annimon/asm/AnalyzerPanel.java
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@ -1,141 +1,141 @@
package com.annimon.asm;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import javax.swing.text.Utilities;
/**
* Îñíîâíàÿ ïàíåëü ïðèëîæåíèÿ.
* @author aNNiMON
*/
public class AnalyzerPanel extends JPanel {
private JLabel lineNumberLabel;
private JTextPane textPane;
private JButton analyzeButton;
public AnalyzerPanel() {
lineNumberLabel = new JLabel("Line: 1");
initTextPane();
initAnalyzeButton();
setLayout(new BorderLayout(0, 0));
add(lineNumberLabel, BorderLayout.NORTH);
add(new JScrollPane(textPane));
add(analyzeButton, BorderLayout.SOUTH);
}
public AnalyzerPanel(String text) {
textPane = new JTextPane();
textPane.setPreferredSize(new Dimension(300, 300));
textPane.setFont(new Font("Consolas", Font.PLAIN, 14));
textPane.setText(text);
setLayout(new BorderLayout(0, 0));
add(new JScrollPane(textPane));
}
private void initTextPane() {
textPane = new JTextPane();
textPane.setPreferredSize(new Dimension(300, 350));
textPane.addCaretListener(new CaretListener() {
@Override
public void caretUpdate(CaretEvent caretEvent) {
// Âûâåñòè ïîçèöèþ êàðåòêè â lineNumberLabel.
JTextComponent textComponent = (JTextComponent)caretEvent.getSource();
int pos = caretEvent.getDot();
int rowNumber = (pos == 0) ? 1 : 0;
try {
int offset = pos;
while (offset > 0) {
offset = Utilities.getRowStart(textComponent, offset) - 1;
rowNumber++;
}
} catch (BadLocationException ex) {}
lineNumberLabel.setText("Line: " + rowNumber);
}
});
textPane.setFont(new Font("Consolas", Font.PLAIN, 14));
textPane.setText(getTextFromResource("/test.asm"));
}
private void initAnalyzeButton() {
analyzeButton = new JButton("Analyze");
analyzeButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
String allText = textPane.getText();
// Ëåêñè÷åñêèé àíàëèç - ïåðåâîäèì íàáîð äèðåêòèâ â êîäîâóþ òàáëèöó.
LexicalAnalyzer lex = new LexicalAnalyzer(allText);
lex.analyze();
// Ñèíòàêñè÷åñêèé àíàëèç - ïðîâåðêà ïðàâèëüíîñòè íàáîðà äèðåêòèâ.
SyntaxAnalyzer syn = new SyntaxAnalyzer(lex.getLexicTable());
try {
syn.analyze();
} catch (ExceptionWithLineNumber ex) {
showMessageBox("Error", ex.getMessage(), true);
return;
}
//showMessageBox("Info","Source is correct!", false);
// Ãåíåðèðóåì ëèñòèíã.
ListingGenerator gen = new ListingGenerator(lex.getLexicTable(), lex.getVarTable(), lex.getLines());
String listing = gen.generate();
showListing(listing);
}
});
}
private void showMessageBox(String title, String text, boolean errorMessage) {
int msgType = errorMessage ? JOptionPane.ERROR_MESSAGE :
JOptionPane.INFORMATION_MESSAGE;
JOptionPane.showMessageDialog(this, text, title, msgType);
}
private void showListing(String listing) {
JOptionPane.showMessageDialog(this, new AnalyzerPanel(listing),
"Listing", JOptionPane.PLAIN_MESSAGE);
}
private String getTextFromResource(String res) {
try {
InputStream is = getClass().getResourceAsStream(res);
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder text = new StringBuilder();
String line;
while( (line = reader.readLine()) != null ) {
text.append(line).append(System.lineSeparator());
}
reader.close();
return text.toString();
} catch (IOException ex) {}
return "";
}
}
package com.annimon.asm;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import javax.swing.text.Utilities;
/**
* Îñíîâíàÿ ïàíåëü ïðèëîæåíèÿ.
* @author aNNiMON
*/
public final class AnalyzerPanel extends JPanel {
private JLabel lineNumberLabel;
private JTextPane textPane;
private JButton analyzeButton;
public AnalyzerPanel() {
lineNumberLabel = new JLabel("Line: 1");
initTextPane();
initAnalyzeButton();
setLayout(new BorderLayout(0, 0));
add(lineNumberLabel, BorderLayout.NORTH);
add(new JScrollPane(textPane));
add(analyzeButton, BorderLayout.SOUTH);
}
public AnalyzerPanel(String text) {
textPane = new JTextPane();
textPane.setPreferredSize(new Dimension(300, 300));
textPane.setFont(new Font("Consolas", Font.PLAIN, 14));
textPane.setText(text);
setLayout(new BorderLayout(0, 0));
add(new JScrollPane(textPane));
}
private void initTextPane() {
textPane = new JTextPane();
textPane.setPreferredSize(new Dimension(300, 350));
textPane.addCaretListener(new CaretListener() {
@Override
public void caretUpdate(CaretEvent caretEvent) {
// Âûâåñòè ïîçèöèþ êàðåòêè â lineNumberLabel.
JTextComponent textComponent = (JTextComponent)caretEvent.getSource();
int pos = caretEvent.getDot();
int rowNumber = (pos == 0) ? 1 : 0;
try {
int offset = pos;
while (offset > 0) {
offset = Utilities.getRowStart(textComponent, offset) - 1;
rowNumber++;
}
} catch (BadLocationException ex) {}
lineNumberLabel.setText("Line: " + rowNumber);
}
});
textPane.setFont(new Font("Consolas", Font.PLAIN, 14));
textPane.setText(getTextFromResource("/test.asm"));
}
private void initAnalyzeButton() {
analyzeButton = new JButton("Analyze");
analyzeButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
String allText = textPane.getText();
// Ëåêñè÷åñêèé àíàëèç - ïåðåâîäèì íàáîð äèðåêòèâ â êîäîâóþ òàáëèöó.
LexicalAnalyzer lex = new LexicalAnalyzer(allText);
lex.analyze();
// Ñèíòàêñè÷åñêèé àíàëèç - ïðîâåðêà ïðàâèëüíîñòè íàáîðà äèðåêòèâ.
SyntaxAnalyzer syn = new SyntaxAnalyzer(lex.getLexicTable());
try {
syn.analyze();
} catch (ExceptionWithLineNumber ex) {
showMessageBox("Error", ex.getMessage(), true);
return;
}
//showMessageBox("Info","Source is correct!", false);
// Ãåíåðèðóåì ëèñòèíã.
ListingGenerator gen = new ListingGenerator(lex.getLexicTable(), lex.getVarTable(), lex.getLines());
String listing = gen.generate();
showListing(listing);
}
});
}
private void showMessageBox(String title, String text, boolean errorMessage) {
int msgType = errorMessage ? JOptionPane.ERROR_MESSAGE :
JOptionPane.INFORMATION_MESSAGE;
JOptionPane.showMessageDialog(this, text, title, msgType);
}
private void showListing(String listing) {
JOptionPane.showMessageDialog(this, new AnalyzerPanel(listing),
"Listing", JOptionPane.PLAIN_MESSAGE);
}
private String getTextFromResource(String res) {
try {
InputStream is = getClass().getResourceAsStream(res);
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder text = new StringBuilder();
String line;
while( (line = reader.readLine()) != null ) {
text.append(line).append(System.lineSeparator());
}
reader.close();
return text.toString();
} catch (IOException ex) {}
return "";
}
}

198
src/com/annimon/asm/DirectiveConverter.java
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@ -1,99 +1,99 @@
package com.annimon.asm;
import com.annimon.asm.directives.*;
import java.util.ArrayList;
/**
* Êîíâåðòåð äèðåêòèâ.
* @author aNNiMON
*/
public class DirectiveConverter {
private static final Directive[] DIRECTIVES = {
new Comma(),
new DB(), new DW(),
new InfinityValue(), new ByteValue(), new WordValue(),
new Add(), new Mul(), new Push(), new Pop(), new Idiv(),
new ByteRegister(), new WordRegister(),
new Variable()
};
/**
* Êîíâåðòèðîâàòü äèðåêòèâó â å¸ èäåíòèôèêàòîð.
* @param text äèðåêòèâà (dw, push, 0 è ò.ä.)
* @return èäåíòèôèêàòîð äèðåêòèâû.
*/
public static int convert(String text) {
for (int i = 0; i < DIRECTIVES.length; i++) {
if (DIRECTIVES[i].isDirective(text)) {
return DIRECTIVES[i].getId();
}
}
return -1;
}
/**
* Ïîëó÷èòü çíà÷åíèå ÷èñëà èç ñòðîêè.
* @param text ñòðîêà ñ ÷èñëîì.
* @return Integer ÷èñëî.
*/
public static Integer parseInteger(String text) {
int value;
if (text.toLowerCase().endsWith("h")) {
char first = Character.toLowerCase(text.charAt(0));
if ( (first >= 'a') && (first <= 'f') ) {
// Ïåðâûé ñèìâîë hex ÷èñëà íå äîëæåí áûòü îò a äî f
return null;
}
String hex = text.substring(0, text.length() - 1);
try {
value = Integer.parseInt(hex, 16);
return value;
} catch (NumberFormatException nfe) {
return null;
}
}
try {
value = Integer.parseInt(text);
return value;
} catch (NumberFormatException nfe) {
return null;
}
}
/**
* Ðàçáèòü ñòðîêó íà ïîäñòðîêè ñ ó÷¸òîì çàïÿòûõ.
* @param text òåêñò.
* @return ìàññèâ ñòðîê.
*/
public static String[] split(String text) {
ArrayList<String> parts = new ArrayList<>();
int length = text.length();
StringBuilder sb = new StringBuilder();
for (int ch = 0; ch < length; ch++) {
int i = text.charAt(ch);
if (i == ' ') {
if (sb.length() > 0) {
parts.add(sb.toString().trim());
sb.setLength(0);
}
} else if (i == ',') {
if (sb.length() > 0) {
parts.add(sb.toString().trim());
parts.add(",");
sb.setLength(0);
}
} else {
sb.append((char) i);
}
}
if (sb.length() > 0) {
parts.add(sb.toString().trim());
}
String[] m = new String[parts.size()];
m = parts.toArray(m);
return m;
}
}
package com.annimon.asm;
import com.annimon.asm.directives.*;
import java.util.ArrayList;
/**
* Êîíâåðòåð äèðåêòèâ.
* @author aNNiMON
*/
public final class DirectiveConverter {
private static final Directive[] DIRECTIVES = {
new Comma(),
new DB(), new DW(),
new InfinityValue(), new ByteValue(), new WordValue(),
new Add(), new Mul(), new Push(), new Pop(), new Idiv(),
new ByteRegister(), new WordRegister(),
new Variable()
};
/**
* Êîíâåðòèðîâàòü äèðåêòèâó â å¸ èäåíòèôèêàòîð.
* @param text äèðåêòèâà (dw, push, 0 è ò.ä.)
* @return èäåíòèôèêàòîð äèðåêòèâû.
*/
public static int convert(String text) {
for (Directive dir : DIRECTIVES) {
if (dir.isDirective(text)) {
return dir.getId();
}
}
return -1;
}
/**
* Ïîëó÷èòü çíà÷åíèå ÷èñëà èç ñòðîêè.
* @param text ñòðîêà ñ ÷èñëîì.
* @return Integer ÷èñëî.
*/
public static Integer parseInteger(String text) {
int value;
if (text.toLowerCase().endsWith("h")) {
char first = Character.toLowerCase(text.charAt(0));
if ( (first >= 'a') && (first <= 'f') ) {
// Ïåðâûé ñèìâîë hex ÷èñëà íå äîëæåí áûòü îò a äî f
return null;
}
String hex = text.substring(0, text.length() - 1);
try {
value = Integer.parseInt(hex, 16);
return value;
} catch (NumberFormatException nfe) {
return null;
}
}
try {
value = Integer.parseInt(text);
return value;
} catch (NumberFormatException nfe) {
return null;
}
}
/**
* Ðàçáèòü ñòðîêó íà ïîäñòðîêè ñ ó÷¸òîì çàïÿòûõ.
* @param text òåêñò.
* @return ìàññèâ ñòðîê.
*/
public static String[] split(String text) {
ArrayList<String> parts = new ArrayList<>();
int length = text.length();
StringBuilder sb = new StringBuilder();
for (int ch = 0; ch < length; ch++) {
int i = text.charAt(ch);
if (i == ' ') {
if (sb.length() > 0) {
parts.add(sb.toString().trim());
sb.setLength(0);
}
} else if (i == ',') {
if (sb.length() > 0) {
parts.add(sb.toString().trim());
parts.add(",");
sb.setLength(0);
}
} else {
sb.append((char) i);
}
}
if (sb.length() > 0) {
parts.add(sb.toString().trim());
}
String[] m = new String[parts.size()];
m = parts.toArray(m);
return m;
}
}

32
src/com/annimon/asm/LexicLine.java
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@ -1,16 +1,16 @@
package com.annimon.asm;
/**
*
* @author aNNiMON
*/
public class LexicLine {
int lineNumber;
int[] line;
public LexicLine(int lineNumber, int[] line) {
this.lineNumber = lineNumber;
this.line = line;
}
}
package com.annimon.asm;
/**
*
* @author aNNiMON
*/
public final class LexicLine {
int lineNumber;
int[] line;
public LexicLine(int lineNumber, int[] line) {
this.lineNumber = lineNumber;
this.line = line;
}
}

94
src/com/annimon/asm/LexicTable.java
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@ -1,47 +1,47 @@
package com.annimon.asm;
import java.util.ArrayList;
/**
* @author aNNiMON
*/
public class LexicTable {
private ArrayList<LexicLine> lexicLines;
public LexicTable() {
lexicLines = new ArrayList<>();
}
public void addLexicLine(int lineNumber, int[] line) {
lexicLines.add(new LexicLine(lineNumber, line));
}
public int getSize() {
return lexicLines.size();
}
public LexicLine getLexicAt(int pos) {
return lexicLines.get(pos);
}
public void updateLexicAt(int pos, LexicLine line) {
lexicLines.set(pos, line);
}
@Override
public String toString() {
StringBuilder text = new StringBuilder();
for(LexicLine lexic : lexicLines) {
text.append(lexic.lineNumber).append(':');
int[] array = lexic.line;
for (int i = 0; i < array.length; i++) {
text.append(" ");
text.append(array[i]);
}
text.append(System.lineSeparator());
}
return text.toString();
}
}
package com.annimon.asm;
import java.util.ArrayList;
/**
* @author aNNiMON
*/
public final class LexicTable {
private final ArrayList<LexicLine> lexicLines;
public LexicTable() {
lexicLines = new ArrayList<>();
}
public void addLexicLine(int lineNumber, int[] line) {
lexicLines.add(new LexicLine(lineNumber, line));
}
public int getSize() {
return lexicLines.size();
}
public LexicLine getLexicAt(int pos) {
return lexicLines.get(pos);
}
public void updateLexicAt(int pos, LexicLine line) {
lexicLines.set(pos, line);
}
@Override
public String toString() {
final StringBuilder text = new StringBuilder();
for(LexicLine lexic : lexicLines) {
text.append(lexic.lineNumber).append(':');
int[] array = lexic.line;
for (int i = 0; i < array.length; i++) {
text.append(" ");
text.append(array[i]);
}
text.append(System.lineSeparator());
}
return text.toString();
}
}

224
src/com/annimon/asm/LexicalAnalyzer.java
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@ -1,112 +1,112 @@
package com.annimon.asm;
import com.annimon.asm.directives.ID;
/**
* Ëåêñè÷åñêèé àíàëèçàòîð.
* @author aNNiMON
*/
public class LexicalAnalyzer {
private String[] lines;
private LexicTable lexicTable;
private VarTable varTable;
public LexicalAnalyzer(String text) {
lines = text.split(System.lineSeparator());
lexicTable = new LexicTable();
varTable = new VarTable();
}
public LexicTable getLexicTable() {
return lexicTable;
}
public VarTable getVarTable() {
return varTable;
}
public String[] getLines() {
return lines;
}
public void analyze() {
for (int i = 0; i < lines.length; i++) {
analyzeLine(i);
}
analyzeVariables();
System.out.println(lexicTable.toString());
}
private void analyzeLine(int lineNumber) {
String line = lines[lineNumber];
// Åñëè ñòðîêà íå ñîäåðæèò êîìàíä - ïðîïóñêàåì.
if (line.isEmpty()) return;
String[] parts = DirectiveConverter.split(line);
// Êîíâåðòèðóåì äèðåêòèâû â ñîîòâåòñòâóþùèå èì èäåíòèôèêàòîðû.
int length = parts.length;
int[] lexicIds = new int[length];
for (int i = 0; i < length; i++) {
lexicIds[i] = DirectiveConverter.convert(parts[i].trim());
}
// Äîáàâëÿåì ïîëó÷åííóþ ñòðîêó â òàáëèöó.
lexicTable.addLexicLine(lineNumber+1, lexicIds);
}
private void analyzeVariables() {
// Äîáàâëÿåì ïåðåìåííûå â òàáëèöó.
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
addVariableToTable(line);
}
// Ñîïîñòàâëÿåì òèïû ïåðåìåííûõ.
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
line = assignVariableTypes(line);
lexicTable.updateLexicAt(i, line);
}
}
private void addVariableToTable(LexicLine lexicLine) {
if (lexicLine.line[0] != ID.VAR) return;
if (lexicLine.line.length != 3) return;
String line = lines[lexicLine.lineNumber - 1];
// Åñëè ñòðîêà íå ñîäåðæèò êîìàíä - ïðîïóñêàåì.
if (line.isEmpty()) return;
String[] parts = DirectiveConverter.split(line);
if (parts.length != 3) return;
String varName = parts[0].trim();
int typeId = lexicLine.line[1];
String value = parts[2].trim();
varTable.addVariable(varName, typeId, value);
}
private LexicLine assignVariableTypes(LexicLine lexicLine) {
// Äëÿ ïåðåìåííûõ íàçíà÷àåì èõ òèï.
int[] lexicIds = lexicLine.line;
for (int i = 0; i < lexicIds.length; i++) {
if (lexicIds[i] == ID.VAR) {
// Íàçíà÷àåì òèï èç òàáëèöû ïåðåìåííûõ.
String line = lines[lexicLine.lineNumber - 1];
if (line.isEmpty()) continue;
String[] parts = DirectiveConverter.split(line);
if (parts.length != lexicIds.length) continue;
lexicIds[i] = varTable.getTypeOfVariable(parts[i]);
}
}
lexicLine.line = lexicIds;
return lexicLine;
}
}
package com.annimon.asm;
import com.annimon.asm.directives.ID;
/**
* Ëåêñè÷åñêèé àíàëèçàòîð.
* @author aNNiMON
*/
public final class LexicalAnalyzer {
private final String[] lines;
private final LexicTable lexicTable;
private final VarTable varTable;
public LexicalAnalyzer(String text) {
lines = text.split(System.lineSeparator());
lexicTable = new LexicTable();
varTable = new VarTable();
}
public LexicTable getLexicTable() {
return lexicTable;
}
public VarTable getVarTable() {
return varTable;
}
public String[] getLines() {
return lines;
}
public void analyze() {
for (int i = 0; i < lines.length; i++) {
analyzeLine(i);
}
analyzeVariables();
System.out.println(lexicTable.toString());
}
private void analyzeLine(int lineNumber) {
final String line = lines[lineNumber];
// Åñëè ñòðîêà íå ñîäåðæèò êîìàíä - ïðîïóñêàåì.
if (line.isEmpty()) return;
String[] parts = DirectiveConverter.split(line);
// Êîíâåðòèðóåì äèðåêòèâû â ñîîòâåòñòâóþùèå èì èäåíòèôèêàòîðû.
final int length = parts.length;
final int[] lexicIds = new int[length];
for (int i = 0; i < length; i++) {
lexicIds[i] = DirectiveConverter.convert(parts[i].trim());
}
// Äîáàâëÿåì ïîëó÷åííóþ ñòðîêó â òàáëèöó.
lexicTable.addLexicLine(lineNumber+1, lexicIds);
}
private void analyzeVariables() {
// Äîáàâëÿåì ïåðåìåííûå â òàáëèöó.
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
addVariableToTable(line);
}
// Ñîïîñòàâëÿåì òèïû ïåðåìåííûõ.
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
line = assignVariableTypes(line);
lexicTable.updateLexicAt(i, line);
}
}
private void addVariableToTable(LexicLine lexicLine) {
if (lexicLine.line[0] != ID.VAR) return;
if (lexicLine.line.length != 3) return;
String line = lines[lexicLine.lineNumber - 1];
// Åñëè ñòðîêà íå ñîäåðæèò êîìàíä - ïðîïóñêàåì.
if (line.isEmpty()) return;
String[] parts = DirectiveConverter.split(line);
if (parts.length != 3) return;
String varName = parts[0].trim();
int typeId = lexicLine.line[1];
String value = parts[2].trim();
varTable.addVariable(varName, typeId, value);
}
private LexicLine assignVariableTypes(LexicLine lexicLine) {
// Äëÿ ïåðåìåííûõ íàçíà÷àåì èõ òèï.
int[] lexicIds = lexicLine.line;
for (int i = 0; i < lexicIds.length; i++) {
if (lexicIds[i] == ID.VAR) {
// Íàçíà÷àåì òèï èç òàáëèöû ïåðåìåííûõ.
String line = lines[lexicLine.lineNumber - 1];
if (line.isEmpty()) continue;
String[] parts = DirectiveConverter.split(line);
if (parts.length != lexicIds.length) continue;
lexicIds[i] = varTable.getTypeOfVariable(parts[i]);
}
}
lexicLine.line = lexicIds;
return lexicLine;
}
}

214
src/com/annimon/asm/ListingGenerateHelper.java
View File

@ -1,107 +1,107 @@
package com.annimon.asm;
import com.annimon.asm.directives.ID;
/**
*
* @author aNNiMON
*/
public class ListingGenerateHelper {
private static final String[] SEGMENT_REGISTERS = {
"es", "cs", "ss", "ds"
};
/**
* Êîíâåðòèðîâàòü ÷èñëî â ñòðîêó â HEX ôîðìàòå.
* @param value ÷èñëî
* @return ñòðîêîâîå çíà÷åíèå ÷èñëà â HEX.
*/
public static String toHexString(int value) {
String str = Integer.toString(value, 16).toUpperCase();
if (str.length() == 1) str = "0" + str;
else if (str.length() == 3) str = "0" + str;
return str;
}
/**
* Çàïèñàòü ñëîâî â Little Endian ôîðìàòå.
* @param value ÷èñëî 2 áàéòà.
* @return ñòðîêà "LL HH"
*/
public static String toLittleEndianString(short value) {
return toHexString(value & 0xFF) + " " +
toHexString((value >> 8) & 0xFF);
}
/**
* Ñêîíâåðòèðîâàòü òåêñò â ñëîâî è çàïèñàòü åãî â Little Endian ôîðìàòå.
* @param text ñòðîêà ñ ÷èñëîì.
* @return ñòðîêà "LL HH" ëèáî "XX" â çàâèñèìîñòè îò ðàçìåðà.
*/
public static String toLittleEndianString(String text) {
Integer value = DirectiveConverter.parseInteger(text);
if (value == null) return "";
if ( (-128 <= value.intValue()) && (value.intValue() <= 255) ) {
return toHexString(value);
}
return toLittleEndianString(value.shortValue());
}
/**
* Ïðîâåðêà, ÿâëÿåòñÿ ëè îïåðàíä ðåãèñòðîì èëè ïàìÿòüþ (r/m).
* @param id òèï îïåðàíäà.
* @return true - îïåðàíä ðåãèñòð èëè ïàìÿòü.
*/
public static boolean isRegisterOrMemory(int id) {
boolean isMemory = ( (id == ID.VAR_BYTE) || (id == ID.VAR_WORD) );
return (isRegister(id) || isMemory);
}
/**
* Ïðîâåðêà, ÿâëÿåòñÿ ëè îïåðàíä ðåãèñòðîì.
* @param id òèï îïåðàíäà.
* @return true - îïåðàíä ðåãèñòð.
*/
public static boolean isRegister(int id) {
return ( (id == ID.REGISTER_BYTE) || (id == ID.REGISTER_WORD) );
}
/**
* Ïîëó÷èòü êîä ðåãèñòðà.
* @param register ñòðîêîâîå çíà÷åíèå ðåãèñòðà.
* @return êîä ðåãèñòðà (3 áèòà).
*/
public static byte getRegisterCode(String register) {
String reg = register.toLowerCase();
switch (reg) {
case "ax": case "al": return 0b000;
case "cx": case "cl": return 0b001;
case "dx": case "dl": return 0b010;
case "bx": case "bl": return 0b011;
case "sp": case "ah": return 0b100;
case "bp": case "ch": return 0b101;
case "si": case "dh": return 0b110;
case "di": case "bh": return 0b111;
}
return 0;
}
/**
* Ïîëó÷èòü êîä ñåãìåíòíîãî ðåãèñòðà.
* @param register ñòðîêîâîå çíà÷åíèå ðåãèñòðà.
* @return êîä ñåãìåíòíîãî ðåãèñòðà, ëèáî -1, åñëè ðåãèñòð íå ñåãìåíòíûé.
*/
public static byte getSegmentRegisterCode(String register) {
String reg = register.toLowerCase();
for (byte i = 0; i < SEGMENT_REGISTERS.length; i++) {
if (reg.equals(SEGMENT_REGISTERS[i])) return i;
}
return -1;
}
}
package com.annimon.asm;
import com.annimon.asm.directives.ID;
/**
*
* @author aNNiMON
*/
public final class ListingGenerateHelper {
private static final String[] SEGMENT_REGISTERS = {
"es", "cs", "ss", "ds"
};
/**
* Êîíâåðòèðîâàòü ÷èñëî â ñòðîêó â HEX ôîðìàòå.
* @param value ÷èñëî
* @return ñòðîêîâîå çíà÷åíèå ÷èñëà â HEX.
*/
public static String toHexString(int value) {
String str = Integer.toString(value, 16).toUpperCase();
if (str.length() == 1) str = "0" + str;
else if (str.length() == 3) str = "0" + str;
return str;
}
/**
* Çàïèñàòü ñëîâî â Little Endian ôîðìàòå.
* @param value ÷èñëî 2 áàéòà.
* @return ñòðîêà "LL HH"
*/
public static String toLittleEndianString(short value) {
return toHexString(value & 0xFF) + " " +
toHexString((value >> 8) & 0xFF);
}
/**
* Ñêîíâåðòèðîâàòü òåêñò â ñëîâî è çàïèñàòü åãî â Little Endian ôîðìàòå.
* @param text ñòðîêà ñ ÷èñëîì.
* @return ñòðîêà "LL HH" ëèáî "XX" â çàâèñèìîñòè îò ðàçìåðà.
*/
public static String toLittleEndianString(String text) {
final Integer value = DirectiveConverter.parseInteger(text);
if (value == null) return "";
if ( (-128 <= value) && (value <= 255) ) {
return toHexString(value);
}
return toLittleEndianString(value.shortValue());
}
/**
* Ïðîâåðêà, ÿâëÿåòñÿ ëè îïåðàíä ðåãèñòðîì èëè ïàìÿòüþ (r/m).
* @param id òèï îïåðàíäà.
* @return true - îïåðàíä ðåãèñòð èëè ïàìÿòü.
*/
public static boolean isRegisterOrMemory(int id) {
boolean isMemory = ( (id == ID.VAR_BYTE) || (id == ID.VAR_WORD) );
return (isRegister(id) || isMemory);
}
/**
* Ïðîâåðêà, ÿâëÿåòñÿ ëè îïåðàíä ðåãèñòðîì.
* @param id òèï îïåðàíäà.
* @return true - îïåðàíä ðåãèñòð.
*/
public static boolean isRegister(int id) {
return ( (id == ID.REGISTER_BYTE) || (id == ID.REGISTER_WORD) );
}
/**
* Ïîëó÷èòü êîä ðåãèñòðà.
* @param register ñòðîêîâîå çíà÷åíèå ðåãèñòðà.
* @return êîä ðåãèñòðà (3 áèòà).
*/
public static byte getRegisterCode(String register) {
final String reg = register.toLowerCase();
switch (reg) {
case "ax": case "al": return 0b000;
case "cx": case "cl": return 0b001;
case "dx": case "dl": return 0b010;
case "bx": case "bl": return 0b011;
case "sp": case "ah": return 0b100;
case "bp": case "ch": return 0b101;
case "si": case "dh": return 0b110;
case "di": case "bh": return 0b111;
}
return 0;
}
/**
* Ïîëó÷èòü êîä ñåãìåíòíîãî ðåãèñòðà.
* @param register ñòðîêîâîå çíà÷åíèå ðåãèñòðà.
* @return êîä ñåãìåíòíîãî ðåãèñòðà, ëèáî -1, åñëè ðåãèñòð íå ñåãìåíòíûé.
*/
public static byte getSegmentRegisterCode(String register) {
final String reg = register.toLowerCase();
for (byte i = 0; i < SEGMENT_REGISTERS.length; i++) {
if (reg.equals(SEGMENT_REGISTERS[i])) return i;
}
return -1;
}
}

126
src/com/annimon/asm/ListingGenerator.java
View File

@ -1,63 +1,63 @@
package com.annimon.asm;
import com.annimon.asm.directives.Add;
import com.annimon.asm.directives.ID;
import com.annimon.asm.directives.IListingGenerator;
import com.annimon.asm.directives.Idiv;
import com.annimon.asm.directives.Mul;
import com.annimon.asm.directives.Pop;
import com.annimon.asm.directives.Push;
import com.annimon.asm.directives.Variable;
/**
* Ãåíåðèðîâàíèå ëèñòèíãà.
* @author aNNiMON
*/
public class ListingGenerator {
private static final IListingGenerator[] DIRECTIVES = {
new Variable(),
new Add(), new Mul(), new Pop(), new Push(), new Idiv()
};
private LexicTable lexicTable;
private VarTable varTable;
private String[] lines;
public ListingGenerator(LexicTable lexicTable, VarTable varTable, String[] lines) {
this.lexicTable = lexicTable;
this.varTable = varTable;
this.lines = lines;
}
public String generate() {
StringBuilder text = new StringBuilder();
short offset = VarTable.getOffset();
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
String[] parts = DirectiveConverter.split(lines[line.lineNumber - 1]);
String strLine = generateLine(line.lineNumber, line.line, parts).trim();
// Âûâîä àäðåñà äëÿ âñåõ äèðåêòèâ, êðîìå ïåðåìåííûõ.
if ( (line.line[0] != ID.VAR_BYTE) && (line.line[0] != ID.VAR_WORD) ) {
text.append(ListingGenerateHelper.toHexString(offset)).append(" ");
int lineSize = strLine.split(" ").length;
offset += lineSize;
}
text.append(strLine);
text.append(System.lineSeparator());
}
return text.toString();
}
private String generateLine(int lineNumber, int[] lexic, String[] parts) {
for (int i = 0; i < DIRECTIVES.length; i++) {
String text = DIRECTIVES[i].generate(lineNumber, lexic, parts, varTable);
if (!text.isEmpty()) return text;
}
return "";
}
}
package com.annimon.asm;
import com.annimon.asm.directives.Add;
import com.annimon.asm.directives.ID;
import com.annimon.asm.directives.IListingGenerator;
import com.annimon.asm.directives.Idiv;
import com.annimon.asm.directives.Mul;
import com.annimon.asm.directives.Pop;
import com.annimon.asm.directives.Push;
import com.annimon.asm.directives.Variable;
/**
* Ãåíåðèðîâàíèå ëèñòèíãà.
* @author aNNiMON
*/
public final class ListingGenerator {
private static final IListingGenerator[] DIRECTIVES = {
new Variable(),
new Add(), new Mul(), new Pop(), new Push(), new Idiv()
};
private final LexicTable lexicTable;
private final VarTable varTable;
private final String[] lines;
public ListingGenerator(LexicTable lexicTable, VarTable varTable, String[] lines) {
this.lexicTable = lexicTable;
this.varTable = varTable;
this.lines = lines;
}
public String generate() {
final StringBuilder text = new StringBuilder();
short offset = VarTable.getOffset();
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
String[] parts = DirectiveConverter.split(lines[line.lineNumber - 1]);
String strLine = generateLine(line.lineNumber, line.line, parts).trim();
// Âûâîä àäðåñà äëÿ âñåõ äèðåêòèâ, êðîìå ïåðåìåííûõ.
if ( (line.line[0] != ID.VAR_BYTE) && (line.line[0] != ID.VAR_WORD) ) {
text.append(ListingGenerateHelper.toHexString(offset)).append(" ");
int lineSize = strLine.split(" ").length;
offset += lineSize;
}
text.append(strLine);
text.append(System.lineSeparator());
}
return text.toString();
}
private String generateLine(int lineNumber, int[] lexic, String[] parts) {
for (IListingGenerator dir : DIRECTIVES) {
String text = dir.generate(lineNumber, lexic, parts, varTable);
if (!text.isEmpty()) return text;
}
return "";
}
}

44
src/com/annimon/asm/Main.java
View File

@ -1,22 +1,22 @@
package com.annimon.asm;
import javax.swing.JFrame;
/**
* @author aNNiMON
*/
public class Main extends JFrame {
public static void main(String[] args) {
new Main().setVisible(true);
}
public Main() {
super("Assembler analyzer");
setDefaultCloseOperation(EXIT_ON_CLOSE);
add(new AnalyzerPanel());
pack();
}
}
package com.annimon.asm;
import javax.swing.JFrame;
/**
* @author aNNiMON
*/
public final class Main extends JFrame {
public static void main(String[] args) {
new Main().setVisible(true);
}
public Main() {
super("Assembler analyzer");
setDefaultCloseOperation(EXIT_ON_CLOSE);
add(new AnalyzerPanel());
pack();
}
}

88
src/com/annimon/asm/SyntaxAnalyzer.java
View File

@ -1,44 +1,44 @@
package com.annimon.asm;
import com.annimon.asm.directives.Add;
import com.annimon.asm.directives.Mul;
import com.annimon.asm.directives.Pop;
import com.annimon.asm.directives.Push;
import com.annimon.asm.directives.ISyntaxChecker;
import com.annimon.asm.directives.Idiv;
import com.annimon.asm.directives.Variable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
/**
* Ñèíòàêñè÷åñêèé àíàëèçàòîð.
* @author aNNiMON
*/
public class SyntaxAnalyzer {
private static final ISyntaxChecker[] DIRECTIVES = {
new Add(), new Mul(), new Push(), new Pop(), new Idiv(),
new Variable()
};
private LexicTable lexicTable;
public SyntaxAnalyzer(LexicTable lexicTable) {
this.lexicTable = lexicTable;
}
public void analyze() throws ExceptionWithLineNumber {
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
analyzeLine(line.lineNumber, line.line);
}
}
private void analyzeLine(int lineNumber, int[] lexic) throws ExceptionWithLineNumber {
for (int i = 0; i < DIRECTIVES.length; i++) {
if (DIRECTIVES[i].check(lineNumber, lexic)) {
return;
}
}
}
}
package com.annimon.asm;
import com.annimon.asm.directives.Add;
import com.annimon.asm.directives.Mul;
import com.annimon.asm.directives.Pop;
import com.annimon.asm.directives.Push;
import com.annimon.asm.directives.ISyntaxChecker;
import com.annimon.asm.directives.Idiv;
import com.annimon.asm.directives.Variable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
/**
* Ñèíòàêñè÷åñêèé àíàëèçàòîð.
* @author aNNiMON
*/
public final class SyntaxAnalyzer {
private static final ISyntaxChecker[] DIRECTIVES = {
new Add(), new Mul(), new Push(), new Pop(), new Idiv(),
new Variable()
};
private final LexicTable lexicTable;
public SyntaxAnalyzer(LexicTable lexicTable) {
this.lexicTable = lexicTable;
}
public void analyze() throws ExceptionWithLineNumber {
for (int i = 0; i < lexicTable.getSize(); i++) {
LexicLine line = lexicTable.getLexicAt(i);
analyzeLine(line.lineNumber, line.line);
}
}
private void analyzeLine(int lineNumber, int[] lexic) throws ExceptionWithLineNumber {
for (ISyntaxChecker dir : DIRECTIVES) {
if (dir.check(lineNumber, lexic)) {
return;
}
}
}
}

50
src/com/annimon/asm/Var.java
View File

@ -1,25 +1,25 @@
package com.annimon.asm;
/**
* Êëàññ ïåðåìåííîé.
* @author aNNiMON
*/
public class Var {
String name;
int type;
String value;
short addr;
public Var(String name, int type, String value, short addr) {
this.name = name;
this.type = type;
this.value = value;
this.addr = addr;
}
public short getAddress() {
return addr;
}
}
package com.annimon.asm;
/**
* Êëàññ ïåðåìåííîé.
* @author aNNiMON
*/
public final class Var {
String name;
int type;
String value;
short addr;
public Var(String name, int type, String value, short addr) {
this.name = name;
this.type = type;
this.value = value;
this.addr = addr;
}
public short getAddress() {
return addr;
}
}

104
src/com/annimon/asm/VarTable.java
View File

@ -1,52 +1,52 @@
package com.annimon.asm;
import com.annimon.asm.directives.ID;
import java.util.ArrayList;
/**
* Òàáëèöà ïåðåìåííûõ.
* @author aNNiMON
*/
public class VarTable {
private ArrayList<Var> variables;
private static short offset;
public VarTable() {
variables = new ArrayList<>();
offset = 0x103;
}
public static short getOffset() {
return offset;
}
public void addVariable(String name, int type, String value) {
addVariable(name, type, value, offset);
int size = (type == ID.DW) ? 2 : 1;
offset += size;
}
public void addVariable(String name, int type, String value, short address) {
variables.add(new Var(name, type, value, address));
}
public int getTypeOfVariable(String name) {
for (Var var : variables) {
if (var.name.equalsIgnoreCase(name)) {
if (var.type == ID.DB) return ID.VAR_BYTE;
else if (var.type == ID.DW) return ID.VAR_WORD;
}
}
return ID.VAR;
}
public short getAddressOfVariable(String name) {
for (Var var : variables) {
if (var.name.equalsIgnoreCase(name)) {
return var.getAddress();
}
}
return ID.VAR;
}
}
package com.annimon.asm;
import com.annimon.asm.directives.ID;
import java.util.ArrayList;
/**
* Òàáëèöà ïåðåìåííûõ.
* @author aNNiMON
*/
public final class VarTable {
private static short offset;
private final ArrayList<Var> variables;
public VarTable() {
variables = new ArrayList<>();
offset = 0x103;
}
public static short getOffset() {
return offset;
}
public void addVariable(String name, int type, String value) {
addVariable(name, type, value, offset);
int size = (type == ID.DW) ? 2 : 1;
offset += size;
}
public void addVariable(String name, int type, String value, short address) {
variables.add(new Var(name, type, value, address));
}
public int getTypeOfVariable(String name) {
for (Var var : variables) {
if (var.name.equalsIgnoreCase(name)) {
if (var.type == ID.DB) return ID.VAR_BYTE;
else if (var.type == ID.DW) return ID.VAR_WORD;
}
}
return ID.VAR;
}
public short getAddressOfVariable(String name) {
for (Var var : variables) {
if (var.name.equalsIgnoreCase(name)) {
return var.getAddress();
}
}
return ID.VAR;
}
}

2
src/com/annimon/asm/directives/Add.java
View File

@ -12,7 +12,7 @@ import com.annimon.asm.exceptions.WrongArgumentException;
*
* @author aNNiMON
*/
public class Add extends Directive implements ISyntaxChecker, IListingGenerator {
public final class Add extends Directive implements ISyntaxChecker, IListingGenerator {
public Add() {
super("add", ID.ADD);

2
src/com/annimon/asm/directives/ByteRegister.java
View File

@ -4,7 +4,7 @@ package com.annimon.asm.directives;
*
* @author aNNiMON
*/
public class ByteRegister extends Register {
public final class ByteRegister extends Register {
@Override
public int getId() {

2
src/com/annimon/asm/directives/ByteValue.java
View File

@ -4,7 +4,7 @@ package com.annimon.asm.directives;
*
* @author aNNiMON
*/
public class ByteValue extends NumericValue {
public final class ByteValue extends NumericValue {
@Override
public int getId() {

26
src/com/annimon/asm/directives/Comma.java
View File

@ -1,13 +1,13 @@
package com.annimon.asm.directives;
/**
*
* @author aNNiMON
*/
public class Comma extends Directive {
public Comma() {
super(",", ID.COMMA);
}
}
package com.annimon.asm.directives;
/**
*
* @author aNNiMON
*/
public final class Comma extends Directive {
public Comma() {
super(",", ID.COMMA);
}
}

26
src/com/annimon/asm/directives/DB.java
View File

@ -1,13 +1,13 @@
package com.annimon.asm.directives;
/**
*
* @author aNNiMON
*/
public class DB extends Directive {
public DB() {
super("db", ID.DB);
}
}
package com.annimon.asm.directives;
/**
*
* @author aNNiMON
*/
public final class DB extends Directive {
public DB() {
super("db", ID.DB);
}
}

26
src/com/annimon/asm/directives/DW.java
View File

@ -1,13 +1,13 @@
package com.annimon.asm.directives;
/**
*
* @author aNNiMON
*/
public class DW extends Directive {
public DW() {
super("dw", ID.DW);
}
}
package com.annimon.asm.directives;
/**
*
* @author aNNiMON
*/
public final class DW extends Directive {
public DW() {
super("dw", ID.DW);
}
}

154
src/com/annimon/asm/directives/Idiv.java
View File

@ -1,77 +1,77 @@
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.TooManyArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public class Idiv extends Directive implements ISyntaxChecker, IListingGenerator {
public Idiv() {
super("idiv", ID.IDIV);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
else if (ids.length > 2) throw new TooManyArgumentsException(lineNumber, 1);
if ( (ids[1] != ID.REGISTER_BYTE) && (ids[1] != ID.REGISTER_WORD) &&
(ids[1] != ID.VAR_BYTE) && (ids[1] != ID.VAR_WORD) ) {
throw new WrongArgumentException(lineNumber);
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
// MUL r/m 1111011w | mod111r/m
StringBuilder sb = new StringBuilder();
int val = 0b1111011_0;
if ( (ids[1] == ID.REGISTER_WORD) || (ids[1] == ID.VAR_WORD) ) {
val |= 1;
}
String varaddr = " ";
if ( (ids[1] == ID.VAR_BYTE) || (ids[1] == ID.VAR_WORD)) {
short offset = vars.getAddressOfVariable(strs[1]);
varaddr += ListingGenerateHelper.toLittleEndianString(offset) + " ";
}
// mod
int modrm = 0b00;
if (ListingGenerateHelper.isRegister(ids[1])) {
// Åñëè îïåðàíä - ðåãèñòð, òî mod = 11
modrm |= 0b11;
}
modrm <<= 6;
// r/m
if (modrm == 0) modrm = 0b110;
else {
// Åñëè mod != 11, òî r/m - id ðåãèñòðà.
modrm |= ListingGenerateHelper.getRegisterCode(strs[1]);
}
// reg - 111
byte regID = 0b111;
regID <<= 3;
modrm |= regID;
sb.append(ListingGenerateHelper.toHexString(val))
.append(' ')
.append(ListingGenerateHelper.toHexString(modrm))
.append(varaddr);
return sb.toString();
}
}
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.TooManyArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public final class Idiv extends Directive implements ISyntaxChecker, IListingGenerator {
public Idiv() {
super("idiv", ID.IDIV);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
else if (ids.length > 2) throw new TooManyArgumentsException(lineNumber, 1);
if ( (ids[1] != ID.REGISTER_BYTE) && (ids[1] != ID.REGISTER_WORD) &&
(ids[1] != ID.VAR_BYTE) && (ids[1] != ID.VAR_WORD) ) {
throw new WrongArgumentException(lineNumber);
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
// MUL r/m 1111011w | mod111r/m
int val = 0b1111011_0;
if ( (ids[1] == ID.REGISTER_WORD) || (ids[1] == ID.VAR_WORD) ) {
val |= 1;
}
String varaddr = " ";
if ( (ids[1] == ID.VAR_BYTE) || (ids[1] == ID.VAR_WORD)) {
short offset = vars.getAddressOfVariable(strs[1]);
varaddr += ListingGenerateHelper.toLittleEndianString(offset) + " ";
}
// mod
int modrm = 0b00;
if (ListingGenerateHelper.isRegister(ids[1])) {
// Åñëè îïåðàíä - ðåãèñòð, òî mod = 11
modrm |= 0b11;
}
modrm <<= 6;
// r/m
if (modrm == 0) modrm = 0b110;
else {
// Åñëè mod != 11, òî r/m - id ðåãèñòðà.
modrm |= ListingGenerateHelper.getRegisterCode(strs[1]);
}
// reg - 111
byte regID = 0b111;
regID <<= 3;
modrm |= regID;
final StringBuilder sb = new StringBuilder();
sb.append(ListingGenerateHelper.toHexString(val))
.append(' ')
.append(ListingGenerateHelper.toHexString(modrm))
.append(varaddr);
return sb.toString();
}
}

2
src/com/annimon/asm/directives/InfinityValue.java
View File

@ -4,7 +4,7 @@ package com.annimon.asm.directives;
* Íåîïðåäåë¸ííîå çíà÷åíèå (?)
* @author aNNiMON
*/
public class InfinityValue extends NumericValue {
public final class InfinityValue extends NumericValue {
@Override
public int getId() {

154
src/com/annimon/asm/directives/Mul.java
View File

@ -1,77 +1,77 @@
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.TooManyArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public class Mul extends Directive implements ISyntaxChecker, IListingGenerator {
public Mul() {
super("mul", ID.MUL);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
else if (ids.length > 2) throw new TooManyArgumentsException(lineNumber, 1);
if ( (ids[1] != ID.REGISTER_BYTE) && (ids[1] != ID.REGISTER_WORD) &&
(ids[1] != ID.VAR_BYTE) && (ids[1] != ID.VAR_WORD) ) {
throw new WrongArgumentException(lineNumber);
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
// MUL r/m 1111011w | mod100r/m
StringBuilder sb = new StringBuilder();
int val = 0b1111011_0;
if ( (ids[1] == ID.REGISTER_WORD) || (ids[1] == ID.VAR_WORD) ) {
val |= 1;
}
String varaddr = " ";
if ( (ids[1] == ID.VAR_BYTE) || (ids[1] == ID.VAR_WORD)) {
short offset = vars.getAddressOfVariable(strs[1]);
varaddr += ListingGenerateHelper.toLittleEndianString(offset) + " ";
}
// mod
int modrm = 0b00;
if (ListingGenerateHelper.isRegister(ids[1])) {
// Åñëè îïåðàíä - ðåãèñòð, òî mod = 11
modrm |= 0b11;
}
modrm <<= 6;
// r/m
if (modrm == 0) modrm = 0b110;
else {
// Åñëè mod != 11, òî r/m - id ðåãèñòðà.
modrm |= ListingGenerateHelper.getRegisterCode(strs[1]);
}
// reg - 100
byte regID = 0b100;
regID <<= 3;
modrm |= regID;
sb.append(ListingGenerateHelper.toHexString(val))
.append(' ')
.append(ListingGenerateHelper.toHexString(modrm))
.append(varaddr);
return sb.toString();
}
}
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.TooManyArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public final class Mul extends Directive implements ISyntaxChecker, IListingGenerator {
public Mul() {
super("mul", ID.MUL);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
else if (ids.length > 2) throw new TooManyArgumentsException(lineNumber, 1);
if ( (ids[1] != ID.REGISTER_BYTE) && (ids[1] != ID.REGISTER_WORD) &&
(ids[1] != ID.VAR_BYTE) && (ids[1] != ID.VAR_WORD) ) {
throw new WrongArgumentException(lineNumber);
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
// MUL r/m 1111011w | mod100r/m
int val = 0b1111011_0;
if ( (ids[1] == ID.REGISTER_WORD) || (ids[1] == ID.VAR_WORD) ) {
val |= 1;
}
String varaddr = " ";
if ( (ids[1] == ID.VAR_BYTE) || (ids[1] == ID.VAR_WORD)) {
short offset = vars.getAddressOfVariable(strs[1]);
varaddr += ListingGenerateHelper.toLittleEndianString(offset) + " ";
}
// mod
int modrm = 0b00;
if (ListingGenerateHelper.isRegister(ids[1])) {
// Åñëè îïåðàíä - ðåãèñòð, òî mod = 11
modrm |= 0b11;
}
modrm <<= 6;
// r/m
if (modrm == 0) modrm = 0b110;
else {
// Åñëè mod != 11, òî r/m - id ðåãèñòðà.
modrm |= ListingGenerateHelper.getRegisterCode(strs[1]);
}
// reg - 100
byte regID = 0b100;
regID <<= 3;
modrm |= regID;
final StringBuilder sb = new StringBuilder();
sb.append(ListingGenerateHelper.toHexString(val))
.append(' ')
.append(ListingGenerateHelper.toHexString(modrm))
.append(varaddr);
return sb.toString();
}
}

128
src/com/annimon/asm/directives/Pop.java
View File

@ -1,64 +1,64 @@
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public class Pop extends Directive implements ISyntaxChecker, IListingGenerator {
public Pop() {
super("pop", ID.POP);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
for (int i = 1; i < ids.length; i++) {
if ( (ids[i] != ID.REGISTER_WORD) &&
(ids[i] != ID.VAR_WORD)) {
throw new WrongArgumentException(lineNumber);
}
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
StringBuilder sb = new StringBuilder();
if (ids[1] == ID.REGISTER_WORD) {
byte segmentID = ListingGenerateHelper.getSegmentRegisterCode(strs[1]);
if (segmentID != -1) {
//seg (òîëüêî cs, ds, ss, es) 00seg111
byte val = (byte) (0b00_000_111 | (segmentID << 3));
sb.append(ListingGenerateHelper.toHexString(val));
} else {
// reg16/32 01011reg
byte regID = ListingGenerateHelper.getRegisterCode(strs[1]);
byte val = (byte) (0b01011_000 | regID);
sb.append(ListingGenerateHelper.toHexString(val));
}
} else if (ids[1] == ID.VAR_WORD) {
//r/m16/32 10001111 | mod110r/m
short offset = vars.getAddressOfVariable(strs[1]);
sb.append(ListingGenerateHelper.toHexString(0b10001111))
.append(' ')
.append(ListingGenerateHelper.toHexString(0b00_000_110))
.append(' ')
.append(ListingGenerateHelper.toLittleEndianString(offset));
}
return sb.toString();
}
}
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public final class Pop extends Directive implements ISyntaxChecker, IListingGenerator {
public Pop() {
super("pop", ID.POP);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
for (int i = 1; i < ids.length; i++) {
if ( (ids[i] != ID.REGISTER_WORD) &&
(ids[i] != ID.VAR_WORD)) {
throw new WrongArgumentException(lineNumber);
}
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
StringBuilder sb = new StringBuilder();
if (ids[1] == ID.REGISTER_WORD) {
byte segmentID = ListingGenerateHelper.getSegmentRegisterCode(strs[1]);
if (segmentID != -1) {
//seg (òîëüêî cs, ds, ss, es) 00seg111
byte val = (byte) (0b00_000_111 | (segmentID << 3));
sb.append(ListingGenerateHelper.toHexString(val));
} else {
// reg16/32 01011reg
byte regID = ListingGenerateHelper.getRegisterCode(strs[1]);
byte val = (byte) (0b01011_000 | regID);
sb.append(ListingGenerateHelper.toHexString(val));
}
} else if (ids[1] == ID.VAR_WORD) {
//r/m16/32 10001111 | mod110r/m
short offset = vars.getAddressOfVariable(strs[1]);
sb.append(ListingGenerateHelper.toHexString(0b10001111))
.append(' ')
.append(ListingGenerateHelper.toHexString(0b00_000_110))
.append(' ')
.append(ListingGenerateHelper.toLittleEndianString(offset));
}
return sb.toString();
}
}

130
src/com/annimon/asm/directives/Push.java
View File

@ -1,65 +1,65 @@
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public class Push extends Directive implements ISyntaxChecker, IListingGenerator {
public Push() {
super("push", ID.PUSH);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
for (int i = 1; i < ids.length; i++) {
if ( (ids[i] != ID.REGISTER_WORD) &&
(ids[i] != ID.VAR_WORD)) {
throw new WrongArgumentException(lineNumber);
}
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
StringBuilder sb = new StringBuilder();
if (ids[1] == ID.REGISTER_WORD) {
byte segmentID = ListingGenerateHelper.getSegmentRegisterCode(strs[1]);
if (segmentID != -1) {
//seg (òîëüêî cs, ds, ss, es) 00seg110
byte val = (byte) (0b00_000_110 | (segmentID << 3));
sb.append(ListingGenerateHelper.toHexString(val));
} else {
// reg16/32 01010reg
byte regID = ListingGenerateHelper.getRegisterCode(strs[1]);
byte val = (byte) (0b01010_000 | regID);
sb.append(ListingGenerateHelper.toHexString(val));
}
} else if (ids[1] == ID.VAR_WORD) {
// r/m16/32 11111111 | mod110r/m
short offset = vars.getAddressOfVariable(strs[1]);
sb.append(ListingGenerateHelper.toHexString(0b11111111))
.append(' ')
.append(ListingGenerateHelper.toHexString(0b00_110_110))
.append(' ')
.append(ListingGenerateHelper.toLittleEndianString(offset));
}
return sb.toString();
}
}
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
/**
*
* @author aNNiMON
*/
public final class Push extends Directive implements ISyntaxChecker, IListingGenerator {
public Push() {
super("push", ID.PUSH);
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 2) throw new FewArgumentsException(lineNumber, 1);
for (int i = 1; i < ids.length; i++) {
if ( (ids[i] != ID.REGISTER_WORD) &&
(ids[i] != ID.VAR_WORD)) {
throw new WrongArgumentException(lineNumber);
}
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if (ids[0] != getId()) return "";
StringBuilder sb = new StringBuilder();
if (ids[1] == ID.REGISTER_WORD) {
byte segmentID = ListingGenerateHelper.getSegmentRegisterCode(strs[1]);
if (segmentID != -1) {
//seg (òîëüêî cs, ds, ss, es) 00seg110
byte val = (byte) (0b00_000_110 | (segmentID << 3));
sb.append(ListingGenerateHelper.toHexString(val));
} else {
// reg16/32 01010reg
byte regID = ListingGenerateHelper.getRegisterCode(strs[1]);
byte val = (byte) (0b01010_000 | regID);
sb.append(ListingGenerateHelper.toHexString(val));
}
} else if (ids[1] == ID.VAR_WORD) {
// r/m16/32 11111111 | mod110r/m
short offset = vars.getAddressOfVariable(strs[1]);
sb.append(ListingGenerateHelper.toHexString(0b11111111))
.append(' ')
.append(ListingGenerateHelper.toHexString(0b00_110_110))
.append(' ')
.append(ListingGenerateHelper.toLittleEndianString(offset));
}
return sb.toString();
}
}

122
src/com/annimon/asm/directives/Variable.java
View File

@ -1,61 +1,61 @@
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.TooManyArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
import java.util.regex.Pattern;
/**
*
* @author aNNiMON
*/
public class Variable extends Directive implements ISyntaxChecker, IListingGenerator {
public Variable() {
super("", ID.VAR);
}
@Override
public boolean isDirective(String text) {
if (Pattern.matches(Pattern.compile("^[^0-9]*[\\w.@_$]").pattern(), text)) {
return true;
}
return false;
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 3) throw new FewArgumentsException(lineNumber, 2);
else if (ids.length > 3) throw new TooManyArgumentsException(lineNumber, 2);
boolean db = ( (ids[1] == ID.DB) &&
((ids[2] == ID.NUMBER_BYTE) || (ids[2] == ID.NUMBER_INFINITY)) );
boolean dw = ( (ids[1] == ID.DW) &&
((ids[2] == ID.NUMBER_WORD) || (ids[2] == ID.NUMBER_INFINITY)) );
if (!db && !dw) {
throw new WrongArgumentException(lineNumber);
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if ( (ids[0] != ID.VAR_BYTE) && (ids[0] != ID.VAR_WORD) ) return "";
StringBuilder sb = new StringBuilder();
int offset = vars.getAddressOfVariable(strs[0]);
sb.append(ListingGenerateHelper.toHexString(offset)).append(" ");
if (ids[2] == ID.NUMBER_INFINITY) {
sb.append("??");
if (ids[1] == ID.DW) sb.append(" ??");
} else sb.append( ListingGenerateHelper.toLittleEndianString(strs[2]) );
return sb.toString();
}
}
package com.annimon.asm.directives;
import com.annimon.asm.ListingGenerateHelper;
import com.annimon.asm.VarTable;
import com.annimon.asm.exceptions.ExceptionWithLineNumber;
import com.annimon.asm.exceptions.FewArgumentsException;
import com.annimon.asm.exceptions.TooManyArgumentsException;
import com.annimon.asm.exceptions.WrongArgumentException;
import java.util.regex.Pattern;
/**
*
* @author aNNiMON
*/
public final class Variable extends Directive implements ISyntaxChecker, IListingGenerator {
public Variable() {
super("", ID.VAR);
}
@Override
public boolean isDirective(String text) {
if (Pattern.matches(Pattern.compile("^[^0-9]*[\\w.@_$]").pattern(), text)) {
return true;
}
return false;
}
@Override
public boolean check(int lineNumber, int[] ids) throws ExceptionWithLineNumber {
if (ids[0] != getId()) return false;
if (ids.length < 3) throw new FewArgumentsException(lineNumber, 2);
else if (ids.length > 3) throw new TooManyArgumentsException(lineNumber, 2);
boolean db = ( (ids[1] == ID.DB) &&
((ids[2] == ID.NUMBER_BYTE) || (ids[2] == ID.NUMBER_INFINITY)) );
boolean dw = ( (ids[1] == ID.DW) &&
((ids[2] == ID.NUMBER_WORD) || (ids[2] == ID.NUMBER_INFINITY)) );
if (!db && !dw) {
throw new WrongArgumentException(lineNumber);
}
return true;
}
@Override
public String generate(int lineNumber, int[] ids, String[] strs, VarTable vars) {
if ( (ids[0] != ID.VAR_BYTE) && (ids[0] != ID.VAR_WORD) ) return "";
StringBuilder sb = new StringBuilder();
int offset = vars.getAddressOfVariable(strs[0]);
sb.append(ListingGenerateHelper.toHexString(offset)).append(" ");
if (ids[2] == ID.NUMBER_INFINITY) {
sb.append("??");
if (ids[1] == ID.DW) sb.append(" ??");
} else sb.append( ListingGenerateHelper.toLittleEndianString(strs[2]) );
return sb.toString();
}
}

2
src/com/annimon/asm/directives/WordRegister.java
View File

@ -4,7 +4,7 @@ package com.annimon.asm.directives;
*
* @author aNNiMON
*/
public class WordRegister extends Register {
public final class WordRegister extends Register {
@Override
public int getId() {

2
src/com/annimon/asm/directives/WordValue.java
View File

@ -4,7 +4,7 @@ package com.annimon.asm.directives;
*
* @author aNNiMON
*/
public class WordValue extends NumericValue {
public final class WordValue extends NumericValue {
@Override
public int getId() {

24
src/com/annimon/asm/exceptions/CommaExpectedException.java
View File

@ -1,12 +1,12 @@
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè ïðîïóùåííîé çàïÿòîé.
* @author aNNiMON
*/
public class CommaExpectedException extends ExceptionWithLineNumber {
public CommaExpectedException(int lineNumber) {
super("Comma expected", lineNumber);
}
}
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè ïðîïóùåííîé çàïÿòîé.
* @author aNNiMON
*/
public final class CommaExpectedException extends ExceptionWithLineNumber {
public CommaExpectedException(int lineNumber) {
super("Comma expected", lineNumber);
}
}

42
src/com/annimon/asm/exceptions/ExceptionWithLineNumber.java
View File

@ -1,21 +1,21 @@
package com.annimon.asm.exceptions;
/**
* Áàçîâûé êëàññ äëÿ îøèáîê ñ îòîáðàæåíèåì íîìåðà îøèáî÷íîé ñòðîêè.
* @author aNNiMON
*/
public abstract class ExceptionWithLineNumber extends Exception {
private int lineNumber;
public ExceptionWithLineNumber(String message, int lineNumber) {
super(message);
this.lineNumber = lineNumber;
}
@Override
public String getMessage() {
return super.getMessage() + " at line " + lineNumber;
}
}
package com.annimon.asm.exceptions;
/**
* Áàçîâûé êëàññ äëÿ îøèáîê ñ îòîáðàæåíèåì íîìåðà îøèáî÷íîé ñòðîêè.
* @author aNNiMON
*/
public abstract class ExceptionWithLineNumber extends Exception {
private final int lineNumber;
public ExceptionWithLineNumber(String message, int lineNumber) {
super(message);
this.lineNumber = lineNumber;
}
@Override
public String getMessage() {
return super.getMessage() + " at line " + lineNumber;
}
}

32
src/com/annimon/asm/exceptions/FewArgumentsException.java
View File

@ -1,16 +1,16 @@
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè, êîãäà óêàçàíî ñëèøêîì ìàëî àðãóìåíòîâ êîìàíäû, íåæåëè îæèäàëîñü.
* @author aNNiMON
*/
public class FewArgumentsException extends ExceptionWithLineNumber {
public FewArgumentsException(int lineNumber) {
super("Few arguments", lineNumber);
}
public FewArgumentsException(int lineNumber, int necessaryArguments) {
super("Few arguments, need " + necessaryArguments + " args", lineNumber);
}
}
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè, êîãäà óêàçàíî ñëèøêîì ìàëî àðãóìåíòîâ êîìàíäû, íåæåëè îæèäàëîñü.
* @author aNNiMON
*/
public final class FewArgumentsException extends ExceptionWithLineNumber {
public FewArgumentsException(int lineNumber) {
super("Few arguments", lineNumber);
}
public FewArgumentsException(int lineNumber, int necessaryArguments) {
super("Few arguments, need " + necessaryArguments + " args", lineNumber);
}
}

32
src/com/annimon/asm/exceptions/TooManyArgumentsException.java
View File

@ -1,16 +1,16 @@
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè äëÿ ïðåâûøåííîãî êîëè÷åñòâà àðãóìåíòîâ êîìàíäû.
* @author aNNiMON
*/
public class TooManyArgumentsException extends ExceptionWithLineNumber {
public TooManyArgumentsException(int lineNumber) {
super("Too many arguments", lineNumber);
}
public TooManyArgumentsException(int lineNumber, int necessaryArguments) {
super("Too many arguments, need " + necessaryArguments + " args", lineNumber);
}
}
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè äëÿ ïðåâûøåííîãî êîëè÷åñòâà àðãóìåíòîâ êîìàíäû.
* @author aNNiMON
*/
public final class TooManyArgumentsException extends ExceptionWithLineNumber {
public TooManyArgumentsException(int lineNumber) {
super("Too many arguments", lineNumber);
}
public TooManyArgumentsException(int lineNumber, int necessaryArguments) {
super("Too many arguments, need " + necessaryArguments + " args", lineNumber);
}
}

24
src/com/annimon/asm/exceptions/WrongArgumentException.java
View File

@ -1,12 +1,12 @@
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè íåâåðíîãî àðãóìåíòà, êîãäà íå ñîâïàäàåò îæèäàåìûé òèï.
* @author aNNiMON
*/
public class WrongArgumentException extends ExceptionWithLineNumber {
public WrongArgumentException(int lineNumber) {
super("Wrong argument", lineNumber);
}
}
package com.annimon.asm.exceptions;
/**
* Êëàññ îøèáêè íåâåðíîãî àðãóìåíòà, êîãäà íå ñîâïàäàåò îæèäàåìûé òèï.
* @author aNNiMON
*/
public final class WrongArgumentException extends ExceptionWithLineNumber {
public WrongArgumentException(int lineNumber) {
super("Wrong argument", lineNumber);
}
}