Apple-2-Tools/dmolony-DiskBrowser
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Check for unique variable names

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This commit is contained in:
Denis Molony 2020-12-29 14:39:29 +10:00
parent c8e57055fb
commit 0dddd3c32e
2 changed files with 44 additions and 0 deletions
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42
src/com/bytezone/diskbrowser/applefile/ApplesoftBasicProgram.java
View File

@ -36,6 +36,7 @@ public class ApplesoftBasicProgram extends BasicProgram
private final Map<Integer, List<Integer>> gotoLines = new TreeMap<> ();
private final Map<Integer, List<Integer>> gosubLines = new TreeMap<> ();
private final Map<String, List<Integer>> symbolLines = new TreeMap<> ();
private final Map<String, List<String>> uniqueSymbols = new TreeMap<> ();
private final List<Integer> stringsLine = new ArrayList<> ();
private final List<String> stringsText = new ArrayList<> ();
@ -285,6 +286,21 @@ public class ApplesoftBasicProgram extends BasicProgram
for (String symbol : symbolLines.keySet ())
fullText.append (String.format ("%6s %s%n", symbol, symbolLines.get (symbol)));
boolean headingShown = false;
for (String key : uniqueSymbols.keySet ())
{
List<String> usage = uniqueSymbols.get (key);
if (usage.size () > 1)
{
if (!headingShown)
{
headingShown = true;
fullText.append ("\nNon-unique Variable Names:\n");
}
fullText.append (String.format ("%6s %s%n", key, usage));
}
}
}
if (basicPreferences.listStrings && stringsLine.size () > 0)
@ -818,6 +834,7 @@ public class ApplesoftBasicProgram extends BasicProgram
if (lastLine != parent.lineNumber)
lines.add (parent.lineNumber);
}
checkUniqueName (var);
}
}
@ -890,6 +907,31 @@ public class ApplesoftBasicProgram extends BasicProgram
}
}
private String checkUniqueName (String symbol)
{
int ptr = symbol.length () - 1;
if (symbol.charAt (ptr) == ASCII_LEFT_BRACKET) // array
ptr--;
if (symbol.charAt (ptr) == ASCII_DOLLAR || symbol.charAt (ptr) == ASCII_PERCENT)
ptr--;
String unique =
(ptr <= 1) ? symbol : symbol.substring (0, 2) + symbol.substring (ptr + 1);
List<String> usage = uniqueSymbols.get (unique);
if (usage == null)
{
usage = new ArrayList<> ();
uniqueSymbols.put (unique, usage);
}
if (!usage.contains (symbol))
usage.add (symbol);
// System.out.printf ("%8s %s%n", symbol, unique);
return unique;
}
private void doDigit ()
{
int targetLine = getLineNumber (buffer, startPtr);

2
src/com/bytezone/diskbrowser/applefile/BasicProgram.java
View File

@ -59,7 +59,9 @@ public abstract class BasicProgram extends AbstractFile
return value >= 0x41 && value <= 0x5A;
}
// ---------------------------------------------------------------------------------//
boolean isPossibleVariable (byte value)
// ---------------------------------------------------------------------------------//
{
return isDigit (value) || isLetter (value) || value == ASCII_DOLLAR
|| value == ASCII_PERCENT;