refactoring to enable testing

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@1098 51baf565-9d33-0410-a72c-fc3788e3496d

pmd/src/net/sourceforge/pmd/symboltable/DeclarationFinder.java

@@ -0,0 +1,16 @@
+/*
+ * User: tom
+ * Date: Oct 10, 2002
+ * Time: 8:02:39 AM
+ */
+package net.sourceforge.pmd.symboltable;
+
+import net.sourceforge.pmd.ast.JavaParserVisitorAdapter;
+import net.sourceforge.pmd.ast.ASTVariableDeclaratorId;
+
+public class DeclarationFinder extends JavaParserVisitorAdapter {
+    public Object visit(ASTVariableDeclaratorId node, Object data) {
+        node.getScope().addDeclaration(new NameDeclaration(node));
+        return super.visit(node, data);
+    }
+}

pmd/src/net/sourceforge/pmd/symboltable/ScopeCreator.java

@@ -0,0 +1,35 @@
+/*
+ * User: tom
+ * Date: Oct 10, 2002
+ * Time: 8:03:36 AM
+ */
+package net.sourceforge.pmd.symboltable;
+
+import net.sourceforge.pmd.ast.*;
+
+public class ScopeCreator extends JavaParserVisitorAdapter {
+
+    private SymbolTable table = new SymbolTable();
+    private ScopeFactory sf = new ScopeFactory();
+
+    public Object visit(ASTCompilationUnit node, Object data){openScope(node);return data;}
+    public Object visit(ASTUnmodifiedClassDeclaration node, Object data){openScope(node);return data;}
+    public Object visit(ASTBlock node, Object data){openScope(node);return data;}
+    public Object visit(ASTConstructorDeclaration node, Object data){openScope(node);return data;}
+    public Object visit(ASTMethodDeclaration node, Object data){openScope(node);return data;}
+    public Object visit(ASTTryStatement node, Object data){openScope(node);return data;}
+    public Object visit(ASTForStatement node, Object data){openScope(node);return data;}
+    public Object visit(ASTIfStatement node, Object data){openScope(node);return data;}
+
+    private void openScope(SimpleNode node) {
+        Scope scope = sf.createScope(node);
+        if (scope instanceof NullScope) {
+            super.visit(node, null);
+        } else {
+            table.push(scope);
+            node.setScope(table.peek());
+            super.visit(node, null);
+            table.pop();
+        }
+    }
+}