2020-12-30 03:06:50 +00:00
|
|
|
package com.bytezone.diskbrowser.applefile;
|
|
|
|
|
|
|
|
import java.util.ArrayList;
|
|
|
|
import java.util.List;
|
|
|
|
|
|
|
|
import com.bytezone.diskbrowser.utilities.Utility;
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------------------------//
|
|
|
|
public class SubLine
|
|
|
|
// -----------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
SourceLine parent;
|
2021-01-03 05:06:51 +00:00
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
int startPtr;
|
|
|
|
int length;
|
|
|
|
String[] nextVariables;
|
2021-01-03 05:06:51 +00:00
|
|
|
String callTarget;
|
2020-12-30 03:06:50 +00:00
|
|
|
String forVariable = "";
|
2021-01-03 03:04:24 +00:00
|
|
|
int equalsPosition; // used for aligning the equals sign
|
2021-01-04 10:13:31 +00:00
|
|
|
String functionArgument;
|
|
|
|
String functionName;
|
|
|
|
boolean isDefine = false;
|
2020-12-30 03:06:50 +00:00
|
|
|
byte[] buffer;
|
|
|
|
|
2021-01-03 03:04:24 +00:00
|
|
|
private final List<Integer> gotoLines = new ArrayList<> ();
|
|
|
|
private final List<Integer> gosubLines = new ArrayList<> ();
|
|
|
|
private final List<String> symbols = new ArrayList<> ();
|
2021-01-04 10:13:31 +00:00
|
|
|
private final List<String> functions = new ArrayList<> ();
|
|
|
|
private final List<String> arrays = new ArrayList<> ();
|
2021-01-05 03:24:23 +00:00
|
|
|
private final List<Integer> constants = new ArrayList<> ();
|
2020-12-30 03:06:50 +00:00
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
SubLine (SourceLine parent, int startPtr, int length)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
this.parent = parent;
|
|
|
|
this.startPtr = startPtr;
|
|
|
|
this.length = length;
|
|
|
|
|
|
|
|
this.buffer = parent.buffer;
|
2021-01-03 03:04:24 +00:00
|
|
|
byte firstByte = buffer[startPtr];
|
2020-12-30 03:06:50 +00:00
|
|
|
|
|
|
|
if (Utility.isHighBitSet (firstByte))
|
|
|
|
doToken (firstByte);
|
|
|
|
else if (Utility.isDigit (firstByte))
|
2021-01-05 03:42:59 +00:00
|
|
|
{
|
2020-12-30 03:06:50 +00:00
|
|
|
doDigit ();
|
2021-01-05 03:42:59 +00:00
|
|
|
return;
|
|
|
|
}
|
2020-12-30 03:06:50 +00:00
|
|
|
else
|
|
|
|
doAlpha ();
|
|
|
|
|
2021-01-03 06:05:16 +00:00
|
|
|
if (is (ApplesoftConstants.TOKEN_REM) || is (ApplesoftConstants.TOKEN_DATA)
|
2021-01-03 06:16:24 +00:00
|
|
|
|| is (ApplesoftConstants.TOKEN_AMPERSAND))
|
2020-12-30 03:06:50 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
int ptr = startPtr;
|
|
|
|
String var = "";
|
|
|
|
boolean inQuote = false;
|
2021-01-04 10:13:31 +00:00
|
|
|
boolean inFunction = false;
|
|
|
|
boolean inDefine = false;
|
|
|
|
|
|
|
|
int max = startPtr + length - 1;
|
|
|
|
// System.out.printf ("%02X%n", buffer[max]);
|
|
|
|
if (buffer[max] == 0)
|
|
|
|
--max;
|
|
|
|
// System.out.printf ("%02X%n", buffer[max]);
|
|
|
|
if (buffer[max] == Utility.ASCII_COLON)
|
|
|
|
--max;
|
|
|
|
// System.out.printf ("%02X%n", buffer[max]);
|
|
|
|
|
|
|
|
while (ptr <= max)
|
2020-12-30 03:06:50 +00:00
|
|
|
{
|
2021-01-04 10:13:31 +00:00
|
|
|
// System.out.printf ("%02X%n", buffer[ptr]);
|
2021-01-03 03:04:24 +00:00
|
|
|
byte b = buffer[ptr++];
|
2020-12-30 03:06:50 +00:00
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
if (b == ApplesoftConstants.TOKEN_DEF)
|
|
|
|
{
|
|
|
|
inDefine = true;
|
|
|
|
isDefine = true;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (inDefine) // ignore the name and argument
|
|
|
|
{
|
|
|
|
if (b == ApplesoftConstants.TOKEN_EQUALS)
|
|
|
|
inDefine = false;
|
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
if (inQuote && b != Utility.ASCII_QUOTE)
|
|
|
|
continue;
|
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
if (inFunction && b == Utility.ASCII_RIGHT_BRACKET)
|
|
|
|
{
|
|
|
|
inFunction = false;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (b == ApplesoftConstants.TOKEN_FN)
|
|
|
|
{
|
|
|
|
inFunction = true;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
if (Utility.isPossibleVariable (b))
|
|
|
|
var += (char) b;
|
|
|
|
else
|
|
|
|
{
|
2021-01-04 10:13:31 +00:00
|
|
|
if (inFunction)
|
|
|
|
checkFunction (var, b);
|
|
|
|
else
|
|
|
|
checkVar (var, b);
|
2020-12-30 03:06:50 +00:00
|
|
|
var = "";
|
|
|
|
|
|
|
|
if (b == Utility.ASCII_QUOTE)
|
|
|
|
inQuote = !inQuote;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
checkVar (var, (byte) 0);
|
|
|
|
}
|
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
private void checkFunction (String var, byte terminator)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
assert terminator == Utility.ASCII_LEFT_BRACKET;
|
|
|
|
// System.out.printf ("checking function: %6d %s%n", parent.lineNumber, var);
|
|
|
|
if (!functions.contains (var))
|
|
|
|
functions.add (var);
|
|
|
|
}
|
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
2021-01-03 03:04:24 +00:00
|
|
|
private void checkVar (String var, byte terminator)
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
if (var.length () == 0)
|
|
|
|
return;
|
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
if (!Utility.isLetter ((byte) var.charAt (0)))
|
2021-01-05 03:24:23 +00:00
|
|
|
{
|
2021-01-05 03:42:59 +00:00
|
|
|
if (is (ApplesoftConstants.TOKEN_GOTO) || is (ApplesoftConstants.TOKEN_GOSUB)
|
|
|
|
|| is (ApplesoftConstants.TOKEN_ON))
|
|
|
|
return;
|
|
|
|
|
|
|
|
int varInt = Integer.parseInt (var);
|
|
|
|
if (!constants.contains (varInt))
|
|
|
|
constants.add (varInt);
|
2021-01-04 10:13:31 +00:00
|
|
|
return;
|
2021-01-05 03:24:23 +00:00
|
|
|
}
|
2021-01-04 10:13:31 +00:00
|
|
|
|
|
|
|
if (isDefine && (var.equals (functionName) || var.equals (functionArgument)))
|
|
|
|
return;
|
|
|
|
|
2021-01-03 03:04:24 +00:00
|
|
|
if (terminator == Utility.ASCII_LEFT_BRACKET)
|
2021-01-04 10:13:31 +00:00
|
|
|
{
|
|
|
|
if (!arrays.contains (var))
|
|
|
|
arrays.add (var);
|
2021-01-05 03:24:23 +00:00
|
|
|
return;
|
2021-01-04 10:13:31 +00:00
|
|
|
}
|
2021-01-05 03:24:23 +00:00
|
|
|
|
|
|
|
if (!symbols.contains (var))
|
2021-01-03 03:04:24 +00:00
|
|
|
symbols.add (var);
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
List<String> getSymbols ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return symbols;
|
|
|
|
}
|
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
List<String> getFunctions ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return functions;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
List<String> getArrays ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return arrays;
|
|
|
|
}
|
|
|
|
|
2021-01-03 03:04:24 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
List<Integer> getGotoLines ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return gotoLines;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
List<Integer> getGosubLines ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return gosubLines;
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
2021-01-05 03:24:23 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
List<Integer> getConstants ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return constants;
|
|
|
|
}
|
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
private void doToken (byte b)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
switch (b)
|
|
|
|
{
|
|
|
|
case ApplesoftConstants.TOKEN_FOR:
|
|
|
|
int p = startPtr + 1;
|
2021-01-03 03:04:24 +00:00
|
|
|
while (buffer[p] != ApplesoftConstants.TOKEN_EQUALS)
|
|
|
|
forVariable += (char) buffer[p++];
|
2020-12-30 03:06:50 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_NEXT:
|
|
|
|
if (length == 2) // no variables
|
|
|
|
nextVariables = new String[0];
|
|
|
|
else
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
String varList = new String (buffer, startPtr + 1, length - 2);
|
2020-12-30 03:06:50 +00:00
|
|
|
nextVariables = varList.split (",");
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_LET:
|
|
|
|
recordEqualsPosition ();
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_GOTO:
|
2021-01-03 03:04:24 +00:00
|
|
|
int targetLine = getLineNumber (buffer, startPtr + 1);
|
2020-12-30 03:06:50 +00:00
|
|
|
addXref (targetLine, gotoLines);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_GOSUB:
|
2021-01-03 03:04:24 +00:00
|
|
|
targetLine = getLineNumber (buffer, startPtr + 1);
|
2020-12-30 03:06:50 +00:00
|
|
|
addXref (targetLine, gosubLines);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_ON:
|
|
|
|
p = startPtr + 1;
|
|
|
|
int max = startPtr + length - 1;
|
2021-01-03 03:04:24 +00:00
|
|
|
while (p < max && buffer[p] != ApplesoftConstants.TOKEN_GOTO
|
|
|
|
&& buffer[p] != ApplesoftConstants.TOKEN_GOSUB)
|
2020-12-30 03:06:50 +00:00
|
|
|
p++;
|
|
|
|
|
2021-01-03 03:04:24 +00:00
|
|
|
switch (buffer[p++])
|
2020-12-30 03:06:50 +00:00
|
|
|
{
|
|
|
|
case ApplesoftConstants.TOKEN_GOSUB:
|
2021-01-03 03:04:24 +00:00
|
|
|
for (int destLine : getLineNumbers (buffer, p))
|
2020-12-30 03:06:50 +00:00
|
|
|
addXref (destLine, gosubLines);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_GOTO:
|
2021-01-03 03:04:24 +00:00
|
|
|
for (int destLine : getLineNumbers (buffer, p))
|
2020-12-30 03:06:50 +00:00
|
|
|
addXref (destLine, gotoLines);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
System.out.println ("GOTO / GOSUB not found");
|
|
|
|
}
|
|
|
|
break;
|
2021-01-01 00:49:42 +00:00
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_ONERR:
|
|
|
|
if (buffer[startPtr + 1] == ApplesoftConstants.TOKEN_GOTO)
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
targetLine = getLineNumber (buffer, startPtr + 2);
|
2021-01-01 00:49:42 +00:00
|
|
|
addXref (targetLine, gotoLines);
|
|
|
|
}
|
|
|
|
break;
|
2021-01-03 05:06:51 +00:00
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_CALL:
|
2021-01-04 10:13:31 +00:00
|
|
|
byte[] lineBuffer = getBuffer ();
|
2021-01-03 05:06:51 +00:00
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
if (lineBuffer[0] == (byte) 0xC9) // negative
|
|
|
|
callTarget = "-" + new String (lineBuffer, 1, lineBuffer.length - 1);
|
2021-01-03 05:06:51 +00:00
|
|
|
else
|
2021-01-04 10:13:31 +00:00
|
|
|
callTarget = new String (lineBuffer, 0, lineBuffer.length);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ApplesoftConstants.TOKEN_DEF:
|
|
|
|
lineBuffer = getBuffer ();
|
|
|
|
assert lineBuffer[0] == ApplesoftConstants.TOKEN_FN;
|
|
|
|
|
|
|
|
int leftBracket = getPosition (lineBuffer, 1, Utility.ASCII_LEFT_BRACKET);
|
|
|
|
int rightBracket =
|
|
|
|
getPosition (lineBuffer, leftBracket + 1, Utility.ASCII_RIGHT_BRACKET);
|
|
|
|
|
|
|
|
functionName = new String (lineBuffer, 1, leftBracket - 1);
|
|
|
|
functionArgument =
|
|
|
|
new String (lineBuffer, leftBracket + 1, rightBracket - leftBracket - 1);
|
|
|
|
functions.add (functionName);
|
|
|
|
|
2021-01-03 05:06:51 +00:00
|
|
|
break;
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-04 10:13:31 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
private int getPosition (byte[] buffer, int start, byte value)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
for (int i = start; i < buffer.length; i++)
|
|
|
|
if (buffer[i] == value)
|
|
|
|
return i;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
2021-01-03 03:04:24 +00:00
|
|
|
private void doDigit ()
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
int targetLine = getLineNumber (buffer, startPtr);
|
|
|
|
addXref (targetLine, gotoLines);
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
2021-01-03 03:04:24 +00:00
|
|
|
private void doAlpha ()
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
recordEqualsPosition ();
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
2021-01-03 03:04:24 +00:00
|
|
|
private void addXref (int targetLine, List<Integer> list)
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
if (!list.contains (targetLine))
|
|
|
|
list.add (targetLine);
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
private List<Integer> getLineNumbers (byte[] buffer, int ptr)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
List<Integer> lineNumbers = new ArrayList<> ();
|
|
|
|
int start = ptr;
|
|
|
|
|
|
|
|
while (ptr < buffer.length && buffer[ptr] != 0 && buffer[ptr] != Utility.ASCII_COLON)
|
|
|
|
ptr++;
|
|
|
|
|
|
|
|
String s = new String (buffer, start, ptr - start);
|
|
|
|
|
|
|
|
String[] chunks = s.split (",");
|
|
|
|
|
|
|
|
try
|
|
|
|
{
|
|
|
|
for (String chunk : chunks)
|
|
|
|
lineNumbers.add (Integer.parseInt (chunk));
|
|
|
|
}
|
|
|
|
catch (NumberFormatException e)
|
|
|
|
{
|
|
|
|
System.out.printf ("NFE: %s%n", s);
|
|
|
|
}
|
|
|
|
|
|
|
|
return lineNumbers;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
private int getLineNumber (byte[] buffer, int ptr)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
int lineNumber = 0;
|
|
|
|
while (ptr < buffer.length)
|
|
|
|
{
|
|
|
|
int b = (buffer[ptr++] & 0xFF) - 0x30;
|
|
|
|
if (b < 0 || b > 9)
|
|
|
|
break;
|
|
|
|
lineNumber = lineNumber * 10 + b;
|
|
|
|
}
|
|
|
|
return lineNumber;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean isImpliedGoto ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
byte b = buffer[startPtr];
|
2020-12-30 03:06:50 +00:00
|
|
|
if (Utility.isHighBitSet (b))
|
|
|
|
return false;
|
|
|
|
return (Utility.isDigit (b));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Record the position of the equals sign so it can be aligned with adjacent lines.
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
private void recordEqualsPosition ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
int p = startPtr + 1;
|
|
|
|
int max = startPtr + length;
|
2021-01-03 03:04:24 +00:00
|
|
|
while (buffer[p] != ApplesoftConstants.TOKEN_EQUALS && p < max)
|
2020-12-30 03:06:50 +00:00
|
|
|
p++;
|
|
|
|
if (buffer[p] == ApplesoftConstants.TOKEN_EQUALS)
|
2021-01-03 03:04:24 +00:00
|
|
|
equalsPosition = toString ().indexOf ('='); // use expanded line
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean isJoinableRem ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return is (ApplesoftConstants.TOKEN_REM) && !isFirst ();
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean isFirst ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return (parent.linePtr + 4) == startPtr;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean is (byte token)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
return buffer[startPtr] == token;
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean has (byte token)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
int ptr = startPtr + 1;
|
|
|
|
int max = startPtr + length;
|
2020-12-31 09:50:53 +00:00
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
while (ptr < max)
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
if (buffer[ptr++] == token)
|
2020-12-30 03:06:50 +00:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean isEmpty ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return length == 1 && buffer[startPtr] == 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean containsToken ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
// ignore first byte, check the rest for tokens
|
|
|
|
for (int p = startPtr + 1, max = startPtr + length; p < max; p++)
|
|
|
|
if (Utility.isHighBitSet (buffer[p]))
|
|
|
|
return true;
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
boolean containsControlChars ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
for (int p = startPtr + 1, max = startPtr + length; p < max; p++)
|
|
|
|
{
|
|
|
|
int c = buffer[p] & 0xFF;
|
|
|
|
if (c == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (c < 32)
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
void addFormattedRem (StringBuilder text)
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
int ptr = startPtr + 1;
|
|
|
|
int max = startPtr + length - 2;
|
|
|
|
|
|
|
|
while (ptr <= max)
|
|
|
|
{
|
2020-12-31 09:50:53 +00:00
|
|
|
switch (buffer[ptr])
|
|
|
|
{
|
|
|
|
case Utility.ASCII_BACKSPACE:
|
|
|
|
if (text.length () > 0)
|
|
|
|
text.deleteCharAt (text.length () - 1);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case Utility.ASCII_CR:
|
|
|
|
text.append ("\n");
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
text.append ((char) buffer[ptr]); // do not mask with 0xFF
|
|
|
|
}
|
|
|
|
|
2020-12-30 03:06:50 +00:00
|
|
|
ptr++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
2021-01-03 03:04:24 +00:00
|
|
|
public String getAlignedText (int alignEqualsPos)
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 03:04:24 +00:00
|
|
|
StringBuilder line = toStringBuilder (); // get line
|
2020-12-30 03:06:50 +00:00
|
|
|
|
2021-01-03 03:04:24 +00:00
|
|
|
// insert spaces before '=' until it lines up with the other assignment lines
|
|
|
|
if (!is (ApplesoftConstants.TOKEN_REM))
|
|
|
|
while (alignEqualsPos-- > equalsPosition)
|
|
|
|
line.insert (equalsPosition, ' ');
|
2020-12-30 03:06:50 +00:00
|
|
|
|
|
|
|
return line.toString ();
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
2021-01-03 05:06:51 +00:00
|
|
|
public byte[] getBuffer ()
|
2020-12-30 03:06:50 +00:00
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
2021-01-03 05:06:51 +00:00
|
|
|
// System.out.println (HexFormatter.format (buffer, startPtr, length));
|
|
|
|
int len = length - 1;
|
|
|
|
// System.out.printf ("%02X%n", buffer[startPtr + len]);
|
|
|
|
if (buffer[startPtr + len] == Utility.ASCII_COLON || buffer[startPtr + len] == 0)
|
|
|
|
len--;
|
|
|
|
byte[] buffer2 = new byte[len];
|
2020-12-30 03:06:50 +00:00
|
|
|
System.arraycopy (buffer, startPtr + 1, buffer2, 0, buffer2.length);
|
2021-01-03 05:06:51 +00:00
|
|
|
return buffer2;
|
2020-12-30 03:06:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
@Override
|
|
|
|
public String toString ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
return toStringBuilder ().toString ();
|
|
|
|
}
|
|
|
|
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
public StringBuilder toStringBuilder ()
|
|
|
|
// ---------------------------------------------------------------------------------//
|
|
|
|
{
|
|
|
|
StringBuilder line = new StringBuilder ();
|
|
|
|
|
|
|
|
// All sublines end with 0 or : except IF lines that are split into two
|
|
|
|
int max = startPtr + length - 1;
|
|
|
|
if (buffer[max] == 0)
|
|
|
|
--max;
|
|
|
|
|
|
|
|
if (isImpliedGoto () && !ApplesoftBasicProgram.basicPreferences.showThen)
|
|
|
|
line.append ("GOTO ");
|
|
|
|
|
|
|
|
for (int p = startPtr; p <= max; p++)
|
|
|
|
{
|
|
|
|
byte b = buffer[p];
|
|
|
|
if (Utility.isHighBitSet (b))
|
|
|
|
{
|
|
|
|
if (line.length () > 0 && line.charAt (line.length () - 1) != ' ')
|
|
|
|
line.append (' ');
|
|
|
|
int val = b & 0x7F;
|
|
|
|
if (val < ApplesoftConstants.tokens.length)
|
|
|
|
{
|
|
|
|
if (b != ApplesoftConstants.TOKEN_THEN
|
|
|
|
|| ApplesoftBasicProgram.basicPreferences.showThen)
|
|
|
|
line.append (ApplesoftConstants.tokens[val]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (Utility.isControlCharacter (b))
|
|
|
|
line.append (ApplesoftBasicProgram.basicPreferences.showCaret
|
2020-12-31 09:50:53 +00:00
|
|
|
? "^" + (char) (b + 64) : ".");
|
2020-12-30 03:06:50 +00:00
|
|
|
else
|
|
|
|
line.append ((char) b);
|
|
|
|
}
|
|
|
|
|
|
|
|
return line;
|
|
|
|
}
|
|
|
|
}
|