Removal of old file cache from DOMScanner.

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/BaseScanner.java

@@ -111,8 +111,6 @@ abstract class BaseScanner implements IScanner {
 
     protected ExpressionEvaluator expressionEvaluator;
 
-    protected final CharArrayObjectMap fileCache = new CharArrayObjectMap(100);
-
     // The context stack
     protected static final int bufferInitialSize = 8;
 
@@ -1226,9 +1224,6 @@ abstract class BaseScanner implements IScanner {
 
         additionalKeywords = configuration.getAdditionalKeywords();
 
-        if (reader.filename != null)
-            fileCache.put(reader.filename, reader);
-
         setupBuiltInMacros(configuration);
 
         if (info.getDefinedSymbols() != null) {
@@ -2865,25 +2860,8 @@ abstract class BaseScanner implements IScanner {
                 fileNameArray);
     }
 
-    protected CodeReader createReader(String path, String fileName) {
+    protected abstract CodeReader createReader(String path, String fileName);
-        String finalPath = ScannerUtility.createReconciledPath(path, fileName);
+    
-        char[] finalPathc = finalPath.toCharArray();
-        CodeReader reader = (CodeReader) fileCache.get(finalPathc);
-        if (reader != null)
-            return reader; // found the file in the cache
-
-        // create a new reader on this file (if the file does not exist we will
-        // get null)
-        reader = createReaderDuple(finalPath);
-        if (reader == null)
-            return null; // the file was not found
-
-        if (reader.filename != null)
-            // put the full requested path in the cache -- it is more likely
-            // to match next time than the reader.filename
-            fileCache.put(finalPathc, reader);
-        return reader;
-    }
 
     private int findIncludePos(String[] paths, File currentDirectory) {
         for (int i = 0; i < paths.length; ++i)

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/DOMScanner.java

@@ -446,4 +446,11 @@ public class DOMScanner extends BaseScanner {
     protected void afterReplaceAllMacros() {
         --fsmCount;
     }
+    
+    protected CodeReader createReader(String path, String fileName){
+        String finalPath = ScannerUtility.createReconciledPath(path, fileName);
+        CodeReader reader = createReaderDuple(finalPath);
+        return reader;
+    }
+
 }

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/Scanner2.java

@@ -23,6 +23,7 @@ import org.eclipse.cdt.core.parser.ParserFactory;
 import org.eclipse.cdt.core.parser.ParserLanguage;
 import org.eclipse.cdt.core.parser.ParserMode;
 import org.eclipse.cdt.core.parser.ast.IASTFactory;
+import org.eclipse.cdt.core.parser.util.CharArrayObjectMap;
 import org.eclipse.cdt.internal.core.parser.ast.EmptyIterator;
 import org.eclipse.cdt.internal.core.parser.token.ImagedExpansionToken;
 import org.eclipse.cdt.internal.core.parser.token.ImagedToken;
@@ -54,6 +55,9 @@ public class Scanner2 extends BaseScanner {
         this.expressionEvaluator = new ExpressionEvaluator(callbackManager, spf);
         this.workingCopies = workingCopies;
         postConstructorSetup(reader, info);
+        if (reader.filename != null)
+            fileCache.put(reader.filename, reader);
+
     }
 
     /*
@@ -225,6 +229,8 @@ public class Scanner2 extends BaseScanner {
 
     protected static final ScannerProblemFactory spf = new ScannerProblemFactory();
 
+    protected final CharArrayObjectMap fileCache = new CharArrayObjectMap(100);
+
     /*
      * (non-Javadoc)
      * 
@@ -331,5 +337,26 @@ public class Scanner2 extends BaseScanner {
      */
     protected void processPragma(int startPos, int endPos) {
     }
+    
+    protected CodeReader createReader(String path, String fileName){
+        String finalPath = ScannerUtility.createReconciledPath(path, fileName);
+        char[] finalPathc = finalPath.toCharArray();
+        CodeReader reader = (CodeReader) fileCache.get(finalPathc);
+        if (reader != null)
+            return reader; // found the file in the cache
+
+        // create a new reader on this file (if the file does not exist we will
+        // get null)
+        reader = createReaderDuple(finalPath);
+        if (reader == null)
+            return null; // the file was not found
+
+        if (reader.filename != null)
+            // put the full requested path in the cache -- it is more likely
+            // to match next time than the reader.filename
+            fileCache.put(finalPathc, reader);
+        return reader;
+    }
+
 
 }