Moved tokenizer out to the bastokenizer project; GUI now recognizes and

utilizes an AppleSingle on import.
This commit is contained in:
Rob Greene 2018-06-08 22:18:41 -05:00
parent 6b1bdab366
commit 6915ada616
13 changed files with 95 additions and 674 deletions

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@ -63,6 +63,7 @@ tasks.withType(Jar) {
dependencies {
compile "net.sf.applecommander:ShrinkItArchive:$shkVersion"
compile "net.sf.applecommander:applesingle-api:$asVersion"
compile "net.sf.applecommander:bastokenizer-api:$btVersion"
compileOnly "org.apache.ant:ant:$antVersion"
testCompile "junit:junit:$junitVersion"

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@ -5,7 +5,8 @@ version=1.5.0-BETA
# Dependency versions
shkVersion=1.2.2
asVersion=1.1.0
asVersion=1.2.1
btVersion=0.2.0
swtVersion=4.6.1
junitVersion=4.12
antVersion=1.8.2

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@ -53,13 +53,15 @@ import com.webcodepro.applecommander.storage.physical.ProdosOrder;
import com.webcodepro.applecommander.util.AppleUtil;
import com.webcodepro.applecommander.util.StreamUtil;
import com.webcodepro.applecommander.util.TextBundle;
import com.webcodepro.applecommander.util.applesoft.Parser;
import com.webcodepro.applecommander.util.applesoft.Program;
import com.webcodepro.applecommander.util.applesoft.Token;
import com.webcodepro.applecommander.util.applesoft.TokenReader;
import io.github.applecommander.applesingle.AppleSingle;
import io.github.applecommander.applesingle.ProdosFileInfo;
import io.github.applecommander.bastokenizer.api.Configuration;
import io.github.applecommander.bastokenizer.api.Parser;
import io.github.applecommander.bastokenizer.api.TokenReader;
import io.github.applecommander.bastokenizer.api.Visitors;
import io.github.applecommander.bastokenizer.api.model.Program;
import io.github.applecommander.bastokenizer.api.model.Token;
/**
* ac provides a command line interface to key AppleCommander functions. Text
@ -183,11 +185,11 @@ public class ac {
* to 0x801.
*/
public static void putAppleSoft(String imageName, String fileName) throws IOException, DiskException {
Configuration config = Configuration.builder().build();
Queue<Token> tokens = TokenReader.tokenize(System.in);
Parser parser = new Parser(tokens);
Program program = parser.parse();
int address = 0x801;
byte[] data = program.toBytes(address);
byte[] data = Visitors.byteVisitor(config).dump(program);
Name name = new Name(fileName);
File file = new File(imageName);
@ -209,7 +211,7 @@ public class ac {
entry.setFilename(name.name);
entry.setFileData(data);
if (entry.needsAddress()) {
entry.setAddress(address);
entry.setAddress(config.startAddress);
}
formattedDisk.save();
}

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@ -26,7 +26,6 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
@ -72,7 +71,6 @@ import org.eclipse.swt.widgets.TreeItem;
import com.webcodepro.applecommander.compiler.ApplesoftCompiler;
import com.webcodepro.applecommander.storage.DirectoryEntry;
import com.webcodepro.applecommander.storage.Disk;
import com.webcodepro.applecommander.storage.DiskCorruptException;
import com.webcodepro.applecommander.storage.DiskException;
import com.webcodepro.applecommander.storage.FileEntry;
import com.webcodepro.applecommander.storage.FileEntryComparator;
@ -87,10 +85,10 @@ import com.webcodepro.applecommander.storage.filters.AssemblySourceFileFilter;
import com.webcodepro.applecommander.storage.filters.BinaryFileFilter;
import com.webcodepro.applecommander.storage.filters.BusinessBASICFileFilter;
import com.webcodepro.applecommander.storage.filters.GraphicsFileFilter;
import com.webcodepro.applecommander.storage.filters.GutenbergFileFilter;
import com.webcodepro.applecommander.storage.filters.IntegerBasicFileFilter;
import com.webcodepro.applecommander.storage.filters.PascalTextFileFilter;
import com.webcodepro.applecommander.storage.filters.TextFileFilter;
import com.webcodepro.applecommander.storage.filters.GutenbergFileFilter;
import com.webcodepro.applecommander.storage.os.prodos.ProdosDiskSizeDoesNotMatchException;
import com.webcodepro.applecommander.storage.os.prodos.ProdosFormatDisk;
import com.webcodepro.applecommander.storage.physical.ByteArrayImageLayout;
@ -112,6 +110,8 @@ import com.webcodepro.applecommander.util.Host;
import com.webcodepro.applecommander.util.StreamUtil;
import com.webcodepro.applecommander.util.TextBundle;
import io.github.applecommander.applesingle.AppleSingle;
/**
* Build the Disk File tab for the Disk Window.
* <p>
@ -261,7 +261,7 @@ public class DiskExplorerTab {
if (disks[i].canHaveDirectories()) {
try {
Iterator files = disks[i].getFiles().iterator();
Iterator<FileEntry> files = disks[i].getFiles().iterator();
while (files.hasNext()) {
FileEntry entry = (FileEntry) files.next();
if (entry.isDirectory()) {
@ -848,7 +848,7 @@ public class DiskExplorerTab {
* These can and are over-ridden by user sizing.
*/
protected void computeColumnWidths(int format) {
List headers = disks[0].getFileColumnHeaders(format);
List<FileColumnHeader> headers = disks[0].getFileColumnHeaders(format);
int[] headerWidths = new int[headers.size()];
GC gc = new GC(shell);
for (int i=0; i<headers.size(); i++) {
@ -921,7 +921,7 @@ public class DiskExplorerTab {
}
});
TableColumn column = null;
List headers = disks[0].getFileColumnHeaders(currentFormat);
List<FileColumnHeader> headers = disks[0].getFileColumnHeaders(currentFormat);
int[] widths = (int[])columnWidths.get(new Integer(currentFormat));
for (int i=0; i<headers.size(); i++) {
FileColumnHeader header = (FileColumnHeader) headers.get(i);
@ -941,12 +941,12 @@ public class DiskExplorerTab {
fileTable.removeAll();
}
Iterator files = fileList.iterator();
Iterator<FileEntry> files = fileList.iterator();
while (files.hasNext()) {
FileEntry entry = (FileEntry) files.next();
if (showDeletedFiles || !entry.isDeleted()) {
TableItem item = new TableItem(fileTable, 0);
List data = entry.getFileColumnData(currentFormat);
List<String> data = entry.getFileColumnData(currentFormat);
for (int i=0; i<data.size(); i++) {
item.setText(i, (String)data.get(i));
}
@ -1151,7 +1151,7 @@ public class DiskExplorerTab {
if (wizard.isWizardCompleted()) {
Shell dialog = null;
try {
List specs = wizard.getImportSpecifications();
List<ImportSpecification> specs = wizard.getImportSpecifications();
// Progress meter for import wizard:
dialog = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
dialog.setText(textBundle.get("ImportingFilesTitle")); //$NON-NLS-1$
@ -1196,17 +1196,22 @@ public class DiskExplorerTab {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
InputStream input = new FileInputStream(spec.getSourceFilename());
StreamUtil.copy(input, buffer);
byte[] fileData = buffer.toByteArray();
FileEntry fileEntry = directory.createFile();
fileEntry.setFilename(spec.getTargetFilename());
fileEntry.setFiletype(spec.getFiletype());
if (spec.isRawFileImport()) {
disks[0].setFileData(fileEntry, buffer.toByteArray());
disks[0].setFileData(fileEntry, fileData);
} else {
if (AppleSingle.test(fileData)) {
AppleSingle as = AppleSingle.read(fileData);
fileData = as.getDataFork();
}
if (fileEntry.needsAddress()) {
fileEntry.setAddress(spec.getAddress());
}
try {
fileEntry.setFileData(buffer.toByteArray());
fileEntry.setFileData(fileData);
} catch (ProdosDiskSizeDoesNotMatchException ex) {
int answer = SwtUtil.showYesNoDialog(shell,
textBundle.get("ResizeDiskTitle"), //$NON-NLS-1$
@ -1215,7 +1220,7 @@ public class DiskExplorerTab {
ProdosFormatDisk prodosDisk = (ProdosFormatDisk)
fileEntry.getFormattedDisk();
prodosDisk.resizeDiskImage();
fileEntry.setFileData(buffer.toByteArray());
fileEntry.setFileData(fileData);
}
}
}
@ -1243,7 +1248,7 @@ public class DiskExplorerTab {
* @throws DiskException
*/
protected void addDirectoriesToTree(TreeItem directoryItem, DirectoryEntry directoryEntry) throws DiskException {
Iterator files = directoryEntry.getFiles().iterator();
Iterator<FileEntry> files = directoryEntry.getFiles().iterator();
while (files.hasNext()) {
final FileEntry entry = (FileEntry) files.next();
if (entry.isDirectory()) {
@ -1585,7 +1590,7 @@ public class DiskExplorerTab {
* Open up the view file window for the currently selected file.
* @throws DiskException
*/
protected void viewFile(Class fileFilterClass) throws DiskException {
protected void viewFile(Class<? extends FileFilter> fileFilterClass) throws DiskException {
FileEntry fileEntry = getSelectedFileEntry();
if (fileEntry.isDeleted()) {
SwtUtil.showErrorDialog(shell, textBundle.get("DeleteFileErrorTitle"), //$NON-NLS-1$
@ -1601,7 +1606,7 @@ public class DiskExplorerTab {
FileViewerWindow window = null;
FileFilter fileFilter = null;
try {
fileFilter = (FileFilter) fileFilterClass.newInstance();
fileFilter = fileFilterClass.newInstance();
} catch (NullPointerException ex) {
// This is expected
} catch (InstantiationException e) {
@ -1757,7 +1762,7 @@ public class DiskExplorerTab {
private int x;
private Rectangle clientArea;
private GC gc;
private List fileHeaders;
private List<FileColumnHeader> fileHeaders;
private int[] printColumnWidths;
private int[] printColumnPosition;
private Font normalFont;
@ -1889,11 +1894,11 @@ public class DiskExplorerTab {
page++;
}
protected void printFiles(DirectoryEntry directory, int level) throws DiskException {
Iterator iterator = directory.getFiles().iterator();
Iterator<FileEntry> iterator = directory.getFiles().iterator();
while (iterator.hasNext()) {
FileEntry fileEntry = (FileEntry) iterator.next();
if (!fileEntry.isDeleted() || isShowDeletedFiles()) {
List columns = fileEntry.getFileColumnData(getCurrentFormat());
List<String> columns = fileEntry.getFileColumnData(getCurrentFormat());
for (int i=0; i<columns.size(); i++) {
FileColumnHeader header = (FileColumnHeader) fileHeaders.get(i);
String text = (String)columns.get(i);

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@ -1,7 +1,12 @@
package com.webcodepro.applecommander.ui.swt.wizard.importfile;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.Optional;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
@ -16,12 +21,14 @@ import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import com.webcodepro.applecommander.storage.os.prodos.ProdosFormatDisk;
import com.webcodepro.applecommander.ui.ImportSpecification;
import com.webcodepro.applecommander.ui.UiBundle;
import com.webcodepro.applecommander.ui.UserPreferences;
@ -30,6 +37,11 @@ import com.webcodepro.applecommander.ui.swt.wizard.WizardPane;
import com.webcodepro.applecommander.util.AppleUtil;
import com.webcodepro.applecommander.util.TextBundle;
import io.github.applecommander.applesingle.AppleSingle;
import io.github.applecommander.applesingle.AppleSingleReader;
import io.github.applecommander.applesingle.ProdosFileInfo;
import io.github.applecommander.applesingle.Utilities;
/**
* Allow the used to choose the files to import into the disk image.
* <br>
@ -121,15 +133,31 @@ public class ImportSelectFilesWizardPane extends WizardPane {
* Single click.
*/
public void widgetSelected(SelectionEvent event) {
FileDialog dialog = new FileDialog(getParent().getShell(),
SWT.OPEN | SWT.MULTI);
dialog.setFilterPath(
UserPreferences.getInstance().getImportDirectory());
String filename = dialog.open();
if (filename != null) {
setFilenames(dialog.getFilterPath(), dialog.getFileNames());
UserPreferences.getInstance().setImportDirectory(
dialog.getFilterPath());
try {
FileDialog dialog = new FileDialog(getParent().getShell(),
SWT.OPEN | SWT.MULTI);
dialog.setFilterPath(
UserPreferences.getInstance().getImportDirectory());
String filename = dialog.open();
if (filename != null) {
setFilenames(dialog.getFilterPath(), dialog.getFileNames());
UserPreferences.getInstance().setImportDirectory(
dialog.getFilterPath());
}
} catch (Throwable t) {
MessageBox mb = new MessageBox(getParent().getShell(),
SWT.OK | SWT.ICON_ERROR | SWT.APPLICATION_MODAL);
mb.setText("Error!");
StringBuilder message = new StringBuilder();
while (t != null) {
if (t.getMessage() != null && t.getMessage().length() > 0) {
message.append(t.getMessage());
message.append("\n");
}
t = t.getCause();
}
mb.setMessage(message.toString());
mb.open();
}
}
});
@ -168,12 +196,29 @@ public class ImportSelectFilesWizardPane extends WizardPane {
/**
* Set all filenames to be imported.
*/
protected void setFilenames(String path, String[] filenames) {
protected void setFilenames(String path, String[] filenames) throws FileNotFoundException, IOException {
for (int i=0; i<filenames.length; i++) {
ImportSpecification spec = new ImportSpecification(
path + File.separatorChar+ filenames[i],
wizard.getDisk().getSuggestedFilename(filenames[i]),
wizard.getDisk().getSuggestedFiletype(filenames[i]));
String filename = path + File.separatorChar + filenames[i];
String suggestedFiletype = wizard.getDisk().getSuggestedFiletype(filenames[i]);
String suggestedFilename = wizard.getDisk().getSuggestedFilename(filenames[i]);
int suggestedAddress = 0;
try (InputStream inputStream = new FileInputStream(filename)) {
byte[] data = Utilities.toByteArray(inputStream);
AppleSingleReader reader = AppleSingleReader.builder(data).build();
if (AppleSingle.test(reader)) {
AppleSingle as = AppleSingle.read(data);
suggestedFilename = Optional.ofNullable(as.getRealName())
.orElse(suggestedFilename);
suggestedFiletype = ProdosFormatDisk.getFiletype(as.getProdosFileInfo().getFileType());
suggestedAddress = Optional.ofNullable(as.getProdosFileInfo())
.map(ProdosFileInfo::getAuxType)
.orElse(suggestedAddress);
}
}
ImportSpecification spec = new ImportSpecification(filename, suggestedFilename, suggestedFiletype);
spec.setAddress(suggestedAddress);
wizard.addImportSpecification(spec);
}
refreshTable();
@ -183,7 +228,7 @@ public class ImportSelectFilesWizardPane extends WizardPane {
*/
protected void refreshTable() {
fileTable.removeAll();
Iterator specs = wizard.getImportSpecifications().iterator();
Iterator<ImportSpecification> specs = wizard.getImportSpecifications().iterator();
boolean canFinish = specs.hasNext();
while (specs.hasNext()) {
ImportSpecification spec = (ImportSpecification) specs.next();

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@ -1,201 +0,0 @@
package com.webcodepro.applecommander.util.applesoft;
import java.io.IOException;
import java.io.Reader;
import java.io.StreamTokenizer;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
/** All elements of AppleSoft that are tokenized in some manner. "Keyword" was picked as it is not the word token. ;-) */
public enum ApplesoftKeyword {
END(0x80, "END"),
FOR(0x81, "FOR"),
NEXT(0x82, "NEXT"),
DATA(0x83, "DATA"),
INPUT(0x84, "INPUT"),
DEL(0x85, "DEL"),
DIM(0x86, "DIM"),
READ(0x87, "READ"),
GR(0x88, "GR"),
TEXT(0x89, "TEXT"),
PR(0x8A, "PR#"),
IN(0x8B, "IN#"),
CALL(0x8C, "CALL"),
PLOT(0x8D, "PLOT"),
HLIN(0x8E, "HLIN"),
VLIN(0x8F, "VLIN"),
HGR2(0x90, "HGR2"),
HGR(0x91, "HGR"),
HCOLOR(0x92, "HCOLOR="),
HPLOT(0x93, "HPLOT"),
DRAW(0x94, "DRAW"),
XDRAW(0x95, "XDRAW"),
HTAB(0x96, "HTAB"),
HOME(0x97, "HOME"),
ROT(0x98, "ROT="),
SCALE(0x99, "SCALE="),
SHLOAD(0x9A, "SHLOAD"),
TRACE(0x9B, "TRACE"),
NOTRACE(0x9C, "NOTRACE"),
NORMAL(0x9D, "NORMAL"),
INVERSE(0x9E, "INVERSE"),
FLASH(0x9F, "FLASH"),
COLOR(0xA0, "COLOR="),
POP(0xA1, "POP"),
VTAB(0xA2, "VTAB"),
HIMEM(0xA3, "HIMEM:"),
LOMEM(0xA4, "LOMEM:"),
ONERR(0xA5, "ONERR"),
RESUME(0xA6, "RESUME"),
RECALL(0xA7, "RECALL"),
STORE(0xA8, "STORE"),
SPEED(0xA9, "SPEED="),
LET(0xAA, "LET"),
GOTO(0xAB, "GOTO"),
RUN(0xAC, "RUN"),
IF(0xAD, "IF"),
RESTORE(0xAE, "RESTORE"),
amp(0xAF, "&"),
GOSUB(0xB0, "GOSUB"),
RETURN(0xB1, "RETURN"),
REM(0xB2, "REM"),
STOP(0xB3, "STOP"),
ON(0xB4, "ON"),
WAIT(0xB5, "WAIT"),
LOAD(0xB6, "LOAD"),
SAVE(0xB7, "SAVE"),
DEF(0xB8, "DEF"),
POKE(0xB9, "POKE"),
PRINT(0xBA, "PRINT"),
CONT(0xBB, "CONT"),
LIST(0xBC, "LIST"),
CLEAR(0xBD, "CLEAR"),
GET(0xBE, "GET"),
NEW(0xBF, "NEW"),
TAB(0xC0, "TAB("),
TO(0xC1, "TO"),
FN(0xC2, "FN"),
SPC(0xC3, "SPC("),
THEN(0xC4, "THEN"),
AT(0xC5, "AT"),
NOT(0xC6, "NOT"),
STEP(0xC7, "STEP"),
add(0xC8, "+"),
sub(0xC9, "-"),
mul(0xCA, "*"),
div(0xCB, "/"),
pow(0xCC, "^"),
AND(0xCD, "AND"),
OR(0xCE, "OR"),
gt(0xCF, ">"),
eq(0xD0, "="),
lt(0xD1, "<"),
SGN(0xD2, "SGN"),
INT(0xD3, "INT"),
ABS(0xD4, "ABS"),
USR(0xD5, "USR"),
FRE(0xD6, "FRE"),
SCRN(0xD7, "SCRN("),
PDL(0xD8, "PDL"),
POS(0xD9, "POS"),
SQR(0xDA, "SQR"),
RND(0xDB, "RND"),
LOG(0xDC, "LOG"),
EXP(0xDD, "EXP"),
COS(0xDE, "COS"),
SIN(0xDF, "SIN"),
TAN(0xE0, "TAN"),
ATN(0xE1, "ATN"),
PEEK(0xE2, "PEEK"),
LEN(0xE3, "LEN"),
STR(0xE4, "STR$"),
VAL(0xE5, "VAL"),
ASC(0xE6, "ASC"),
CHR(0xE7, "CHR$"),
LEFT(0xE8, "LEFT$"),
RIGHT(0xE9, "RIGHT$"),
MID(0xEA, "MID$");
/**
* The AppleSoft token value. Token is overloaded, so "code" is good enough.
*/
public final int code;
/**
* Full text of the token.
*/
public final String text;
/**
* Token parts as seen by the StreamTokenizer.
*/
public final List<String> parts;
/**
* Indicates that this needs _just_ a closing right parenthesis since the
* opening left parenthesis is included in the token
*/
public boolean needsRParen;
private ApplesoftKeyword(int code, String text) {
this.code = code;
this.text = text;
try {
// A bit brute-force, but should always match the tokenizer configuration!
List<String> list = new ArrayList<>();
StreamTokenizer t = tokenizer(new StringReader(text));
while (t.nextToken() != StreamTokenizer.TT_EOF) {
switch (t.ttype) {
case StreamTokenizer.TT_WORD:
list.add(t.sval);
break;
default:
list.add(String.format("%c", t.ttype));
break;
}
}
this.parts = Collections.unmodifiableList(list);
this.needsRParen = parts.contains("(");
} catch (IOException ex) {
throw new RuntimeException(ex);
}
}
public boolean equalsIgnoreCase(String value) {
return this.text.equalsIgnoreCase(value);
}
@Override
public String toString() {
return String.format("%s (%02x)", text, code);
}
/** Utility method to create a shared definition for AppleSoft file parsing. */
public static StreamTokenizer tokenizer(Reader r) {
StreamTokenizer tokenizer = new StreamTokenizer(r);
tokenizer.resetSyntax();
tokenizer.wordChars('a', 'z');
tokenizer.wordChars('A', 'Z');
tokenizer.wordChars(128 + 32, 255);
tokenizer.whitespaceChars(0, ' ');
tokenizer.quoteChar('"');
tokenizer.parseNumbers();
// This resets part of parseNumbers to match AppleSoft tokenization!
tokenizer.ordinaryChar('-');
tokenizer.eolIsSignificant(true);
return tokenizer;
}
/** Utility method to locate a keyword ignoring case. */
public static Optional<ApplesoftKeyword> find(String value) {
Objects.requireNonNull(value);
for (ApplesoftKeyword kw : values()) {
if (value.equalsIgnoreCase(kw.parts.get(0))) {
return Optional.of(kw);
}
}
return Optional.empty();
}
}

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@ -1,48 +0,0 @@
package com.webcodepro.applecommander.util.applesoft;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
/** An AppleSoft BASIC Line representation. */
public class Line {
public final int lineNumber;
public final List<Statement> statements = new ArrayList<>();
public Line(int lineNumber) {
this.lineNumber = lineNumber;
}
public void prettyPrint(PrintStream ps) {
boolean first = true;
for (Statement statement : statements) {
if (first) {
first = false;
ps.printf("%5d ", lineNumber);
} else {
ps.printf("%5s ", ":");
}
statement.prettyPrint(ps);
ps.println();
}
}
public int toBytes(int address, ByteArrayOutputStream os) throws IOException {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
for (Statement stmt : statements) {
if (tmp.size() > 0) tmp.write(':');
stmt.toBytes(tmp);
}
int nextAddress = address + tmp.size() + 5;
os.write(nextAddress);
os.write(nextAddress >> 8);
os.write(lineNumber);
os.write(lineNumber >> 8);
tmp.writeTo(os);
os.write(0x00);
return nextAddress;
}
}

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@ -1,63 +0,0 @@
package com.webcodepro.applecommander.util.applesoft;
import java.util.Objects;
import java.util.Queue;
import com.webcodepro.applecommander.util.applesoft.Token.Type;
/**
* The Parser will read a series of Tokens and build a Program.
* Note that this is not a compiler and does not "understand" the program.
*/
public class Parser {
private final Queue<Token> tokens;
public Parser(Queue<Token> tokens) {
Objects.requireNonNull(tokens);
this.tokens = tokens;
}
public Program parse() {
Program program = new Program();
while (!tokens.isEmpty()) {
Line line = readLine();
program.lines.add(line);
}
return program;
}
public Line readLine() {
Line line = new Line(expectNumber());
while (!tokens.isEmpty() && tokens.peek().type != Type.EOL) {
Statement statement = readStatement();
if (statement != null) {
line.statements.add(statement);
} else {
break;
}
}
if (!tokens.isEmpty() && tokens.peek().type == Type.EOL) {
tokens.remove(); // Skip that EOL
}
return line;
}
public Statement readStatement() {
Statement statement = new Statement();
while (!tokens.isEmpty()) {
if (tokens.peek().type == Type.EOL) break;
Token t = tokens.remove();
if (":".equals(t.text)) break;
statement.tokens.add(t);
}
return statement;
}
public int expectNumber() {
Token c = tokens.remove();
if (c.type != Type.NUMBER) {
throw new RuntimeException("Expected a number in line #" + c.line);
}
return c.number.intValue();
}
}

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@ -1,26 +0,0 @@
package com.webcodepro.applecommander.util.applesoft;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
/** A Program is a series of lines. */
public class Program {
public final List<Line> lines = new ArrayList<>();
public void prettyPrint(PrintStream ps) {
for (Line line : lines) {
line.prettyPrint(ps);
}
}
public byte[] toBytes(int address) throws IOException {
ByteArrayOutputStream os = new ByteArrayOutputStream();
for (Line line : lines) address = line.toBytes(address, os);
os.write(0x00);
os.write(0x00);
return os.toByteArray();
}
}

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package com.webcodepro.applecommander.util.applesoft;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
/** A Statement is simply a series of Tokens. */
public class Statement {
public final List<Token> tokens = new ArrayList<>();
public void prettyPrint(PrintStream ps) {
for (Token token : tokens) {
token.prettyPrint(ps);
}
}
public void toBytes(ByteArrayOutputStream os) throws IOException {
for (Token t : tokens) t.toBytes(os);
}
}

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package com.webcodepro.applecommander.util.applesoft;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Optional;
/**
* A Token in the classic compiler sense, in that this represents a component of the application.
*
* @author rob
*/
public class Token {
public final int line;
public final Type type;
public final ApplesoftKeyword keyword;
public final Double number;
public final String text;
private Token(int line, Type type, ApplesoftKeyword keyword, Double number, String text) {
this.line = line;
this.type = type;
this.keyword = keyword;
this.number = number;
this.text = text;
}
@Override
public String toString() {
switch (type) {
case EOL:
return type.toString();
case KEYWORD:
return keyword.toString();
case NUMBER:
return String.format("%s(%f)", type, number);
default:
return String.format("%s(%s)", type, text);
}
}
public void prettyPrint(PrintStream ps) {
switch (type) {
case EOL:
ps.print("<EOL>");
break;
case COMMENT:
ps.printf(" REM %s", text);
break;
case STRING:
ps.printf("\"%s\"", text);
break;
case KEYWORD:
ps.printf(" %s ", keyword.text);
break;
case IDENT:
case SYNTAX:
ps.print(text);
break;
case NUMBER:
if (Math.rint(number) == number) {
ps.print(number.intValue());
} else {
ps.print(number);
}
break;
}
}
public void toBytes(ByteArrayOutputStream os) throws IOException {
switch (type) {
case COMMENT:
os.write(ApplesoftKeyword.REM.code);
os.write(text.getBytes());
break;
case EOL:
os.write(0x00);
break;
case IDENT:
os.write(text.getBytes());
break;
case KEYWORD:
os.write(keyword.code);
break;
case NUMBER:
if (Math.rint(number) == number) {
os.write(Integer.toString(number.intValue()).getBytes());
} else {
os.write(Double.toString(number).getBytes());
}
break;
case STRING:
os.write('"');
os.write(text.getBytes());
os.write('"');
break;
case SYNTAX:
Optional<ApplesoftKeyword> opt = ApplesoftKeyword.find(text);
if (opt.isPresent()) {
os.write(opt.get().code);
} else {
os.write(text.getBytes());
}
break;
}
}
public static Token eol(int line) {
return new Token(line, Type.EOL, null, null, null);
}
public static Token number(int line, Double number) {
return new Token(line, Type.NUMBER, null, number, null);
}
public static Token ident(int line, String text) {
return new Token(line, Type.IDENT, null, null, text);
}
public static Token comment(int line, String text) {
return new Token(line, Type.COMMENT, null, null, text);
}
public static Token string(int line, String text) {
return new Token(line, Type.STRING, null, null, text);
}
public static Token keyword(int line, ApplesoftKeyword keyword) {
// Note that the text component is useful to have for parsing, so we replicate it...
return new Token(line, Type.KEYWORD, keyword, null, keyword.text);
}
public static Token syntax(int line, int ch) {
return new Token(line, Type.SYNTAX, null, null, String.format("%c", ch));
}
public static enum Type {
EOL, NUMBER, IDENT, COMMENT, STRING, KEYWORD, SYNTAX
}
}

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package com.webcodepro.applecommander.util.applesoft;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StreamTokenizer;
import java.util.LinkedList;
import java.util.Optional;
import java.util.Queue;
/**
* The TokenReader, given a text file, generates a series of Tokens (in the compiler sense,
* not AppleSoft) for the AppleSoft program.
*
* @author rob
*/
public class TokenReader {
private boolean hasMore = true;
// Internal flag just in case we consume the EOL (see REM for instance)s
private boolean needSyntheticEol = false;
private Reader reader;
private StreamTokenizer tokenizer;
/** A handy method to generate a list of Tokens from a file. */
public static Queue<Token> tokenize(String filename) throws FileNotFoundException, IOException {
try (FileReader fileReader = new FileReader(filename)) {
return tokenize(fileReader);
}
}
/** A handy method to generate a list of Tokens from an InputStream. */
public static Queue<Token> tokenize(InputStream inputStream) throws IOException {
try (InputStreamReader streamReader = new InputStreamReader(inputStream)) {
return tokenize(streamReader);
}
}
private static Queue<Token> tokenize(Reader reader) throws IOException {
TokenReader tokenReader = new TokenReader(reader);
LinkedList<Token> tokens = new LinkedList<>();
while (tokenReader.hasMore()) {
// Magic number: maximum number of pieces from the StreamTokenizer that may be combined.
tokenReader.next(2)
.ifPresent(tokens::add);
}
return tokens;
}
public TokenReader(Reader reader) {
this.reader = reader;
this.tokenizer = ApplesoftKeyword.tokenizer(reader);
}
public boolean hasMore() {
return hasMore;
}
public Optional<Token> next(int depth) throws IOException {
// A cheesy attempt to prevent too much looping...
if (depth > 0) {
if (this.needSyntheticEol) {
this.needSyntheticEol = false;
int line = tokenizer.lineno();
return Optional.of(Token.eol(line));
}
hasMore = tokenizer.nextToken() != StreamTokenizer.TT_EOF;
if (hasMore) {
int line = tokenizer.lineno();
switch (tokenizer.ttype) {
case StreamTokenizer.TT_EOL:
return Optional.of(Token.eol(line));
case StreamTokenizer.TT_NUMBER:
return Optional.of(Token.number(line, tokenizer.nval));
case StreamTokenizer.TT_WORD:
Optional<ApplesoftKeyword> opt = ApplesoftKeyword.find(tokenizer.sval);
if (opt.filter(kw -> kw == ApplesoftKeyword.REM).isPresent()) {
StringBuilder sb = new StringBuilder();
while (true) {
// Bypass the Tokenizer and just read to EOL for the comment
int ch = reader.read();
if (ch == '\n') {
// Recover to the newline so that the next token is a EOL
// This is needed for parsing!
this.needSyntheticEol = true;
break;
}
sb.append((char)ch);
}
return Optional.of(Token.comment(line, sb.toString()));
}
// Optional and exceptions don't play well. :-/
if (opt.isPresent() && opt.get().parts.size() > 1) {
// Pull next token and see if it is the 2nd part ("MID$" == "MID", "$"; checking for the "$")
next(depth-1)
.filter(t -> opt.get().parts.get(1).equals(t.text))
.orElseThrow(() -> new IOException("Expecting: " + opt.get().parts));
}
return Optional.of(opt
.map(kw -> Token.keyword(line, kw))
.orElse(Token.ident(line, tokenizer.sval)));
case '"':
return Optional.of(Token.string(line, tokenizer.sval));
case '(':
case ')':
case ',':
case ':':
case '$':
case '#':
case ';':
case '&':
case '=':
case '<':
case '>':
case '*':
case '+':
case '-':
case '/':
case '^':
return Optional.of(
ApplesoftKeyword.find(String.format("%c", tokenizer.ttype))
.map(kw -> Token.keyword(line, kw))
.orElse(Token.syntax(line, tokenizer.ttype)));
default:
throw new IOException(String.format(
"Unknown! ttype=%d, nval=%f, sval=%s\n", tokenizer.ttype, tokenizer.nval, tokenizer.sval));
}
}
}
return Optional.empty();
}
}

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/**
* This package is used by the AppleSoft text file import capabilities of AppleCommander.
* It is separate from the other components, primarily due to it being used on the input side,
* but also due to the fact that this is the third time AppleSoft tokens have been defined!
*
* @author rob
*/
package com.webcodepro.applecommander.util.applesoft;