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Posted to commits@vxquery.apache.org by ti...@apache.org on 2014/03/20 23:56:33 UTC

[1/3] git commit: improved printing of constants and types in plans

Repository: incubator-vxquery
Updated Branches:
  refs/heads/master 04ac20d12 -> a09d1f5dd


improved printing of constants and types in plans


Project: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/commit/04c11094
Tree: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/tree/04c11094
Diff: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/diff/04c11094

Branch: refs/heads/master
Commit: 04c11094ccf8930de8d273709abb076c159ac4e5
Parents: 04ac20d
Author: Till Westmann <we...@gmail.com>
Authored: Mon Mar 17 10:59:33 2014 -0700
Committer: Till Westmann <we...@gmail.com>
Committed: Mon Mar 17 10:59:33 2014 -0700

----------------------------------------------------------------------
 .../algebricks/VXQueryConstantValue.java        |  2 +-
 ...ueryLogicalExpressionPrettyPrintVisitor.java | 26 +++++++++++++++++++-
 .../vxquery/serializer/XMLSerializer.java       |  2 +-
 .../org/apache/vxquery/types/AnyItemType.java   |  7 +++++-
 .../vxquery/types/BuiltinTypeRegistry.java      |  2 ++
 .../org/apache/vxquery/types/Quantifier.java    | 13 +++++++++-
 .../org/apache/vxquery/types/SequenceType.java  |  4 +--
 7 files changed, 49 insertions(+), 7 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/VXQueryConstantValue.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/VXQueryConstantValue.java b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/VXQueryConstantValue.java
index a0090b0..1cbe74e 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/VXQueryConstantValue.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/VXQueryConstantValue.java
@@ -57,7 +57,7 @@ public class VXQueryConstantValue implements IAlgebricksConstantValue {
     @Override
     public String toString() {
         StringBuilder buffer = new StringBuilder();
-        buffer.append(type).append("(bytes[").append(value.length).append("] = [").append(Hex.encodeHexString(value))
+        buffer.append(type).append(" (bytes[").append(value.length).append("] = [").append(Hex.encodeHexString(value))
                 .append("])");
         return buffer.toString();
     }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
index 48e923b..65ace85 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
@@ -14,6 +14,9 @@
  */
 package org.apache.vxquery.compiler.algebricks.prettyprint;
 
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
 import java.util.List;
 
 import org.apache.commons.lang3.mutable.Mutable;
@@ -22,6 +25,7 @@ import org.apache.vxquery.context.StaticContext;
 import org.apache.vxquery.datamodel.accessors.TaggedValuePointable;
 import org.apache.vxquery.datamodel.values.ValueTag;
 import org.apache.vxquery.functions.BuiltinOperators;
+import org.apache.vxquery.serializer.XMLSerializer;
 import org.apache.vxquery.types.SequenceType;
 
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -30,6 +34,7 @@ import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalExpressionTag;
 import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression;
 import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.AggregateFunctionCallExpression;
 import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ConstantExpression;
+import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.IAlgebricksConstantValue;
 import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression;
 import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.StatefulFunctionCallExpression;
 import edu.uci.ics.hyracks.algebricks.core.algebra.expressions.UnnestingFunctionCallExpression;
@@ -43,16 +48,35 @@ public class VXQueryLogicalExpressionPrettyPrintVisitor implements ILogicalExpre
     StaticContext ctx;
     IntegerPointable ip;
     TaggedValuePointable tvp;
+    XMLSerializer serializer;
 
     public VXQueryLogicalExpressionPrettyPrintVisitor(StaticContext ctx) {
         this.ctx = ctx;
         this.ip = (IntegerPointable) IntegerPointable.FACTORY.createPointable();
         this.tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
+        this.serializer = new XMLSerializer();
     }
 
     @Override
     public String visitConstantExpression(ConstantExpression expr, Integer indent) throws AlgebricksException {
-        return expr.toString();
+        IAlgebricksConstantValue value = expr.getValue();
+        if (value instanceof VXQueryConstantValue) {
+            VXQueryConstantValue vxqValue = (VXQueryConstantValue) value;
+            tvp.set(vxqValue.getValue(), 0, vxqValue.getValue().length);
+
+            ByteArrayOutputStream os = new ByteArrayOutputStream();
+            PrintStream ps = new PrintStream(os);
+
+            serializer.printTaggedValuePointable(ps, tvp);
+
+            try {
+                return vxqValue.getType() + ": " + os.toString("UTF8");
+            } catch (UnsupportedEncodingException e) {
+                // print stack trace and return the default
+                e.printStackTrace();
+            }
+        }
+        return value.toString();
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/serializer/XMLSerializer.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/serializer/XMLSerializer.java b/vxquery-core/src/main/java/org/apache/vxquery/serializer/XMLSerializer.java
index f2999bb..51670e8 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/serializer/XMLSerializer.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/serializer/XMLSerializer.java
@@ -79,7 +79,7 @@ public class XMLSerializer implements IPrinter {
         }
     }
 
-    private void printTaggedValuePointable(PrintStream ps, TaggedValuePointable tvp) {
+    public void printTaggedValuePointable(PrintStream ps, TaggedValuePointable tvp) {
         byte tag = tvp.getTag();
         switch ((int) tag) {
             case ValueTag.XS_ANY_URI_TAG:

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
index ce7de21..32cd3b0 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
@@ -36,4 +36,9 @@ public final class AnyItemType implements ItemType {
     public boolean equals(Object other) {
         return other instanceof AnyItemType;
     }
-}
\ No newline at end of file
+
+    @Override
+    public String toString() {
+        return String.valueOf(BuiltinTypeRegistry.INSTANCE.getTypeName(BuiltinTypeConstants.XS_ANY_TYPE_ID));
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/types/BuiltinTypeRegistry.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/BuiltinTypeRegistry.java b/vxquery-core/src/main/java/org/apache/vxquery/types/BuiltinTypeRegistry.java
index ec4472e..a5da4d7 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/BuiltinTypeRegistry.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/BuiltinTypeRegistry.java
@@ -218,7 +218,9 @@ public final class BuiltinTypeRegistry {
         types[BuiltinTypeConstants.XS_NOTATION_TYPE_ID] = XS_NOTATION;
 
         typeNames = new QName[BuiltinTypeConstants.BUILTIN_TYPE_COUNT];
+        typeNames[BuiltinTypeConstants.XS_ANY_TYPE_ID] = BuiltinTypeQNames.XS_ANY_TYPE_QNAME;
         typeNames[BuiltinTypeConstants.XS_ANY_SIMPLE_TYPE_ID] = BuiltinTypeQNames.XS_ANY_SIMPLE_TYPE_QNAME;
+        typeNames[BuiltinTypeConstants.XS_UNTYPED_TYPE_ID] = BuiltinTypeQNames.XS_UNTYPED_QNAME;
         typeNames[BuiltinTypeConstants.XS_ANY_ATOMIC_TYPE_ID] = BuiltinTypeQNames.XS_ANY_ATOMIC_TYPE_QNAME;
         typeNames[BuiltinTypeConstants.XS_STRING_TYPE_ID] = BuiltinTypeQNames.XS_STRING_TYPE_QNAME;
         typeNames[BuiltinTypeConstants.XS_NORMALIZED_STRING_TYPE_ID] = BuiltinTypeQNames.XS_NORMALIZED_STRING_TYPE_QNAME;

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/types/Quantifier.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/Quantifier.java b/vxquery-core/src/main/java/org/apache/vxquery/types/Quantifier.java
index bc2c11f..686986f 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/Quantifier.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/Quantifier.java
@@ -103,4 +103,15 @@ public enum Quantifier {
     public boolean allowsRepeating() {
         return this == QUANT_PLUS || this == QUANT_STAR;
     }
-}
\ No newline at end of file
+    
+    public static String toString(Quantifier q) {
+        switch (q) {
+            case QUANT_ONE: return " ";
+            case QUANT_PLUS: return "+";
+            case QUANT_QUESTION: return "?";
+            case QUANT_STAR: return "*";
+            case QUANT_ZERO: return "-";
+        }
+        throw new IllegalArgumentException();
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/04c11094/vxquery-core/src/main/java/org/apache/vxquery/types/SequenceType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/SequenceType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/SequenceType.java
index 01b5314..2986a8c 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/SequenceType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/SequenceType.java
@@ -148,6 +148,6 @@ public final class SequenceType implements Serializable {
     }
 
     public String toString() {
-        return String.valueOf(itemType) + " " + quantifier;
+        return String.valueOf(itemType) + Quantifier.toString(quantifier);
     }
-}
\ No newline at end of file
+}


[2/3] git commit: reuse streams for pretty-printing

Posted by ti...@apache.org.
reuse streams for pretty-printing


Project: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/commit/8cc2837c
Tree: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/tree/8cc2837c
Diff: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/diff/8cc2837c

Branch: refs/heads/master
Commit: 8cc2837c58216885a6ec9d56f1abfd00d9ca3d25
Parents: 04c1109
Author: Till Westmann <we...@gmail.com>
Authored: Mon Mar 17 13:15:12 2014 -0700
Committer: Till Westmann <we...@gmail.com>
Committed: Mon Mar 17 13:15:12 2014 -0700

----------------------------------------------------------------------
 .../VXQueryLogicalExpressionPrettyPrintVisitor.java     | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/8cc2837c/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
index 65ace85..ccdfb6b 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
@@ -49,12 +49,16 @@ public class VXQueryLogicalExpressionPrettyPrintVisitor implements ILogicalExpre
     IntegerPointable ip;
     TaggedValuePointable tvp;
     XMLSerializer serializer;
+    ByteArrayOutputStream os;
+    PrintStream ps;
 
     public VXQueryLogicalExpressionPrettyPrintVisitor(StaticContext ctx) {
         this.ctx = ctx;
         this.ip = (IntegerPointable) IntegerPointable.FACTORY.createPointable();
         this.tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
         this.serializer = new XMLSerializer();
+        this.os = new ByteArrayOutputStream();
+        this.ps = new PrintStream(os);
     }
 
     @Override
@@ -63,17 +67,15 @@ public class VXQueryLogicalExpressionPrettyPrintVisitor implements ILogicalExpre
         if (value instanceof VXQueryConstantValue) {
             VXQueryConstantValue vxqValue = (VXQueryConstantValue) value;
             tvp.set(vxqValue.getValue(), 0, vxqValue.getValue().length);
-
-            ByteArrayOutputStream os = new ByteArrayOutputStream();
-            PrintStream ps = new PrintStream(os);
-
             serializer.printTaggedValuePointable(ps, tvp);
-
             try {
                 return vxqValue.getType() + ": " + os.toString("UTF8");
             } catch (UnsupportedEncodingException e) {
                 // print stack trace and return the default
                 e.printStackTrace();
+            } finally {
+                ps.flush();
+                os.reset();
             }
         }
         return value.toString();


[3/3] git commit: pretty-print path steps

Posted by ti...@apache.org.
pretty-print path steps


Project: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/commit/a09d1f5d
Tree: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/tree/a09d1f5d
Diff: http://git-wip-us.apache.org/repos/asf/incubator-vxquery/diff/a09d1f5d

Branch: refs/heads/master
Commit: a09d1f5ddccbf2f031424a79e764d220128863b6
Parents: 8cc2837
Author: Till Westmann <we...@gmail.com>
Authored: Wed Mar 19 16:45:32 2014 -0700
Committer: Till Westmann <we...@gmail.com>
Committed: Wed Mar 19 16:45:32 2014 -0700

----------------------------------------------------------------------
 .../java/org/apache/vxquery/cli/VXQuery.java    |  3 +-
 ...ueryLogicalExpressionPrettyPrintVisitor.java | 45 ++++++++++++--------
 .../org/apache/vxquery/types/AnyItemType.java   | 10 ++---
 .../org/apache/vxquery/types/AnyNodeType.java   |  5 +++
 .../org/apache/vxquery/types/AnySimpleType.java |  5 +++
 .../java/org/apache/vxquery/types/AnyType.java  |  5 +++
 .../org/apache/vxquery/types/AttributeType.java | 10 +++++
 .../org/apache/vxquery/types/CommentType.java   |  5 +++
 .../org/apache/vxquery/types/DocumentType.java  |  7 +++
 .../org/apache/vxquery/types/ElementType.java   | 18 +++++---
 .../types/ProcessingInstructionType.java        | 11 +++++
 .../java/org/apache/vxquery/types/TextType.java |  5 +++
 .../xmlquery/query/XMLQueryCompiler.java        |  2 +-
 13 files changed, 101 insertions(+), 30 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-cli/src/main/java/org/apache/vxquery/cli/VXQuery.java
----------------------------------------------------------------------
diff --git a/vxquery-cli/src/main/java/org/apache/vxquery/cli/VXQuery.java b/vxquery-cli/src/main/java/org/apache/vxquery/cli/VXQuery.java
index 7e3abfc..de1f52f 100644
--- a/vxquery-cli/src/main/java/org/apache/vxquery/cli/VXQuery.java
+++ b/vxquery-cli/src/main/java/org/apache/vxquery/cli/VXQuery.java
@@ -236,9 +236,8 @@ public class VXQuery {
 
                 private StringBuilder appendPrettyPlan(StringBuilder sb, Module module) {
                     try {
-                        StaticContext ctx = module.getCompilerControlBlock().getStaticContext();
                         ILogicalExpressionVisitor<String, Integer> ev = new VXQueryLogicalExpressionPrettyPrintVisitor(
-                                ctx);
+                                module.getModuleContext());
                         LogicalOperatorPrettyPrintVisitor v = new LogicalOperatorPrettyPrintVisitor(ev);
                         PlanPrettyPrinter.printPlan(module.getBody(), sb, v, 0);
                     } catch (AlgebricksException e) {

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
index ccdfb6b..c630837 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/compiler/algebricks/prettyprint/VXQueryLogicalExpressionPrettyPrintVisitor.java
@@ -96,21 +96,7 @@ public class VXQueryLogicalExpressionPrettyPrintVisitor implements ILogicalExpre
     @Override
     public String visitScalarFunctionCallExpression(ScalarFunctionCallExpression expr, Integer indent)
             throws AlgebricksException {
-        assert expr.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL;
-
-        StringBuilder sb = new StringBuilder();
-
-        FunctionIdentifier fi = expr.getFunctionIdentifier();
-        if (identifiesTypeOperator(fi)) {
-            final ILogicalExpression typeEx = expr.getArguments().get(1).getValue();
-            assert typeEx.getExpressionTag() == LogicalExpressionTag.CONSTANT;
-            SequenceType type = getSequenceType((ConstantExpression) typeEx);
-            sb.append(fi + " <" + type + ">, Args:");
-            appendArgument(sb, expr.getArguments().get(0), indent + 2);
-        } else {
-            appendFunction(sb, expr, indent);
-        }
-        return sb.toString();
+        return appendFunction(new StringBuilder(), expr, indent).toString();
     }
 
     @Override
@@ -133,10 +119,35 @@ public class VXQueryLogicalExpressionPrettyPrintVisitor implements ILogicalExpre
                 || BuiltinOperators.INSTANCE_OF.getFunctionIdentifier().equals(fi);
     }
 
+    protected boolean identifiesPathStep(FunctionIdentifier fi) {
+        return BuiltinOperators.CHILD.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.ATTRIBUTE.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.ANCESTOR.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.ANCESTOR_OR_SELF.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.DESCENDANT.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.DESCENDANT_OR_SELF.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.PARENT.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.FOLLOWING.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.FOLLOWING_SIBLING.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.PRECEDING.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.PRECEDING_SIBLING.getFunctionIdentifier().equals(fi)
+                || BuiltinOperators.SELF.getFunctionIdentifier().equals(fi);
+    }
+
     protected StringBuilder appendFunction(StringBuilder sb, AbstractFunctionCallExpression expr, Integer indent)
             throws AlgebricksException {
-        sb.append("function-call: " + expr.getFunctionIdentifier() + ", Args:");
-        appendArguments(sb, expr.getArguments(), indent + 2);
+        assert expr.getExpressionTag() == LogicalExpressionTag.FUNCTION_CALL;
+        FunctionIdentifier fi = expr.getFunctionIdentifier();
+        if (identifiesTypeOperator(fi) || identifiesPathStep(fi)) {
+            final ILogicalExpression typeEx = expr.getArguments().get(1).getValue();
+            assert typeEx.getExpressionTag() == LogicalExpressionTag.CONSTANT;
+            SequenceType type = getSequenceType((ConstantExpression) typeEx);
+            sb.append(fi + " <" + type + ">, Args:");
+            appendArgument(sb, expr.getArguments().get(0), indent + 2);
+        } else {
+            sb.append("function-call: " + fi + ", Args:");
+            appendArguments(sb, expr.getArguments(), indent + 2);            
+        }
         return sb;
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
index 32cd3b0..c6db3ad 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyItemType.java
@@ -28,6 +28,11 @@ public final class AnyItemType implements ItemType {
     }
 
     @Override
+    public String toString() {
+        return "item";
+    }
+
+    @Override
     public int hashCode() {
         return AnyItemType.class.hashCode();
     }
@@ -36,9 +41,4 @@ public final class AnyItemType implements ItemType {
     public boolean equals(Object other) {
         return other instanceof AnyItemType;
     }
-
-    @Override
-    public String toString() {
-        return String.valueOf(BuiltinTypeRegistry.INSTANCE.getTypeName(BuiltinTypeConstants.XS_ANY_TYPE_ID));
-    }
 }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/AnyNodeType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyNodeType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyNodeType.java
index a40e703..2f8ffce 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyNodeType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyNodeType.java
@@ -28,6 +28,11 @@ public final class AnyNodeType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        return "node";
+    }
+
+    @Override
     public int hashCode() {
         return AnyNodeType.class.hashCode();
     }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/AnySimpleType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/AnySimpleType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/AnySimpleType.java
index 7781656..bc5044c 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/AnySimpleType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/AnySimpleType.java
@@ -53,6 +53,11 @@ public final class AnySimpleType implements SimpleType {
     }
 
     @Override
+    public String toString() {
+        return String.valueOf(BuiltinTypeRegistry.INSTANCE.getTypeName(getTypeId()));
+    }
+
+    @Override
     public int hashCode() {
         return AnySimpleType.class.hashCode();
     }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/AnyType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyType.java
index b8911fa..19519c2 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/AnyType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/AnyType.java
@@ -53,6 +53,11 @@ public final class AnyType implements ComplexType {
     }
 
     @Override
+    public String toString() {
+        return String.valueOf(BuiltinTypeRegistry.INSTANCE.getTypeName(getTypeId()));
+    }
+
+    @Override
     public int hashCode() {
         return AnyType.class.hashCode();
     }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/AttributeType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/AttributeType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/AttributeType.java
index 69f5e28..0cacd59 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/AttributeType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/AttributeType.java
@@ -42,6 +42,16 @@ public final class AttributeType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder("attribute(");
+        sb.append(nameTest != null ? nameTest : "*");
+        if (contentType != null) {
+            sb.append(", ").append(contentType);
+        }
+        return sb.append(")").toString();
+    }
+
+    @Override
     public int hashCode() {
         final int prime = 31;
         int result = 1;

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/CommentType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/CommentType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/CommentType.java
index 8300e0a..4ca4a7c 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/CommentType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/CommentType.java
@@ -28,6 +28,11 @@ public final class CommentType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        return "comment";
+    }
+
+    @Override
     public int hashCode() {
         return CommentType.class.hashCode();
     }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/DocumentType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/DocumentType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/DocumentType.java
index f06fb71..bc02842 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/DocumentType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/DocumentType.java
@@ -35,6 +35,13 @@ public final class DocumentType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder("document(");
+        sb.append(elementType != null ? elementType : "*");
+        return sb.append(")").toString();
+    }
+
+    @Override
     public int hashCode() {
         final int prime = 31;
         int result = 1;

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/ElementType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/ElementType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/ElementType.java
index 343f18b..26dffe9 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/ElementType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/ElementType.java
@@ -47,6 +47,19 @@ public final class ElementType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder("element(");
+        sb.append(nameTest != null ? nameTest : "*");
+        if (contentType != null) {
+            sb.append(", ").append(contentType);
+        }
+        if (nilled) {
+            sb.append(", nilled");
+        }
+        return sb.append(")").toString();
+    }
+
+    @Override
     public int hashCode() {
         final int prime = 31;
         int result = 1;
@@ -79,9 +92,4 @@ public final class ElementType extends AbstractNodeType {
             return false;
         return true;
     }
-
-    @Override
-    public String toString() {
-        return "NodeTest(" + nameTest + ", " + contentType + ", nilled = " + nilled + ")";
-    }
 }
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/ProcessingInstructionType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/ProcessingInstructionType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/ProcessingInstructionType.java
index ce2ebcf..d1f294a 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/ProcessingInstructionType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/ProcessingInstructionType.java
@@ -18,6 +18,8 @@ package org.apache.vxquery.types;
 
 import java.util.Arrays;
 
+import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
+
 public final class ProcessingInstructionType extends AbstractNodeType {
     public static final ProcessingInstructionType ANYPI = new ProcessingInstructionType(null);
 
@@ -37,6 +39,15 @@ public final class ProcessingInstructionType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder("processing-instruction(");
+        if (target != null) {
+            UTF8StringPointable.toString(sb, target, 0);
+        }
+        return sb.append(")").toString();
+    }
+
+    @Override
     public int hashCode() {
         final int prime = 31;
         int result = 1;

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/types/TextType.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/types/TextType.java b/vxquery-core/src/main/java/org/apache/vxquery/types/TextType.java
index 1e55bda..0709245 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/types/TextType.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/types/TextType.java
@@ -28,6 +28,11 @@ public final class TextType extends AbstractNodeType {
     }
 
     @Override
+    public String toString() {
+        return "text";
+    }
+
+    @Override
     public int hashCode() {
         return TextType.class.hashCode();
     }

http://git-wip-us.apache.org/repos/asf/incubator-vxquery/blob/a09d1f5d/vxquery-core/src/main/java/org/apache/vxquery/xmlquery/query/XMLQueryCompiler.java
----------------------------------------------------------------------
diff --git a/vxquery-core/src/main/java/org/apache/vxquery/xmlquery/query/XMLQueryCompiler.java b/vxquery-core/src/main/java/org/apache/vxquery/xmlquery/query/XMLQueryCompiler.java
index 8b10efc..e6a9007 100644
--- a/vxquery-core/src/main/java/org/apache/vxquery/xmlquery/query/XMLQueryCompiler.java
+++ b/vxquery-core/src/main/java/org/apache/vxquery/xmlquery/query/XMLQueryCompiler.java
@@ -155,7 +155,7 @@ public class XMLQueryCompiler {
         listener.notifyParseResult(moduleNode);
         module = new XMLQueryTranslator(ccb).translateModule(moduleNode);
         pprinter = new LogicalOperatorPrettyPrintVisitor(new VXQueryLogicalExpressionPrettyPrintVisitor(module
-                .getCompilerControlBlock().getStaticContext()));
+                .getModuleContext()));
         compiler = cFactory.createCompiler(module.getBody(), mdProvider, 0);
         listener.notifyTranslationResult(module);
         XMLQueryTypeChecker.typeCheckModule(module);