Type nodes

idea/src/org/jetbrains/jet/JetNodeTypes.java

@@ -42,15 +42,17 @@ public interface JetNodeTypes {
     JetNodeType MODIFIER_LIST                       = new JetNodeType("MODIFIER_LIST", JetModifierList.class);
     JetNodeType ATTRIBUTE_ANNOTATION                = new JetNodeType("ATTRIBUTE_ANNOTATION", JetAttributeAnnotation.class);
     JetNodeType ATTRIBUTE                           = new JetNodeType("ATTRIBUTE", JetAttribute.class);
-    JetNodeType USER_TYPE                           = new JetNodeType("USER_TYPE");
     JetNodeType TYPE_ARGUMENT_LIST                  = new JetNodeType("TYPE_ARGUMENT_LIST", JetTypeArgumentList.class);
     JetNodeType VALUE_ARGUMENT_LIST                 = new JetNodeType("VALUE_ARGUMENT_LIST", JetArgumentList.class);
     JetNodeType VALUE_ARGUMENT                      = new JetNodeType("VALUE_ARGUMENT", JetArgument.class);
     JetNodeType TYPE_REFERENCE                      = new JetNodeType("TYPE_REFERENCE", JetTypeReference.class);
     JetNodeType LABELED_TUPLE_ENTRY                 = new JetNodeType("LABELED_TUPLE_ENTRY");
-    JetNodeType TUPLE_TYPE                          = new JetNodeType("TUPLE_TYPE");
-    JetNodeType FUNCTION_TYPE                       = new JetNodeType("FUNCTION_TYPE");
-    JetNodeType SELF_TYPE                           = new JetNodeType("SELF_TYPE");
+
+    JetNodeType USER_TYPE                           = new JetNodeType("USER_TYPE", JetUserType.class);
+    JetNodeType TUPLE_TYPE                          = new JetNodeType("TUPLE_TYPE", JetTupleType.class);
+    JetNodeType FUNCTION_TYPE                       = new JetNodeType("FUNCTION_TYPE", JetFunctionType.class);
+    JetNodeType SELF_TYPE                           = new JetNodeType("SELF_TYPE", JetSelfType.class);
+
     JetNodeType DECOMPOSER_PROPERTY_LIST            = new JetNodeType("DECOMPOSER_PROPERTY_LIST", JetDecomposerPropertyList.class);
     // TODO: review
     JetNodeType RECEIVER_TYPE_ATTRIBUTES            = new JetNodeType("RECEIVER_TYPE_ATTRIBUTES");

idea/src/org/jetbrains/jet/lang/psi/JetFunctionType.java

@@ -0,0 +1,70 @@
+package org.jetbrains.jet.lang.psi;
+
+import com.intellij.lang.ASTNode;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.tree.IElementType;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.JetNodeTypes;
+import org.jetbrains.jet.lexer.JetTokens;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author max
+ */
+public class JetFunctionType extends JetTypeElement {
+    public JetFunctionType(@NotNull ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void accept(JetVisitor visitor) {
+        visitor.visitFunctionType(this);
+    }
+
+    @Nullable
+    public JetParameterList getParameterList() {
+        return (JetParameterList) findChildByType(JetNodeTypes.VALUE_PARAMETER_LIST);
+    }
+
+    @NotNull
+    public List<JetParameter> getParameters() {
+        JetParameterList list = getParameterList();
+        return list != null ? list.getParameters() : Collections.<JetParameter>emptyList();
+    }
+
+    @Nullable
+    public JetTypeReference getReceiverTypeRef() {
+        PsiElement child = getFirstChild();
+        while (child != null) {
+            IElementType tt = child.getNode().getElementType();
+            if (tt == JetTokens.LPAR || tt == JetTokens.COLON) break;
+            if (child instanceof JetTypeReference) {
+                return (JetTypeReference) child;
+            }
+            child = child.getNextSibling();
+        }
+
+        return null;
+    }
+
+    @Nullable
+    public JetTypeReference getReturnTypeRef() {
+        boolean colonPassed = false;
+        PsiElement child = getFirstChild();
+        while (child != null) {
+            IElementType tt = child.getNode().getElementType();
+            if (tt == JetTokens.COLON) {
+                colonPassed = true;
+            }
+            if (colonPassed && child instanceof JetTypeReference) {
+                return (JetTypeReference) child;
+            }
+            child = child.getNextSibling();
+        }
+
+        return null;
+    }
+}

idea/src/org/jetbrains/jet/lang/psi/JetModifierList.java

@@ -22,6 +22,7 @@ public class JetModifierList extends JetElement {
         visitor.visitModifierList(this);
     }
 
+    @NotNull
     public List<JetAttributeAnnotation> getAttributeAnnotations() {
         return findChildrenByType(JetNodeTypes.ATTRIBUTE_ANNOTATION);
     }

idea/src/org/jetbrains/jet/lang/psi/JetSelfType.java

@@ -0,0 +1,18 @@
+package org.jetbrains.jet.lang.psi;
+
+import com.intellij.lang.ASTNode;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author max
+ */
+public class JetSelfType extends JetTypeElement {
+    public JetSelfType(@NotNull ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void accept(JetVisitor visitor) {
+        visitor.visitSelfType(this);
+    }
+}

idea/src/org/jetbrains/jet/lang/psi/JetTupleType.java

@@ -0,0 +1,26 @@
+package org.jetbrains.jet.lang.psi;
+
+import com.intellij.lang.ASTNode;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.JetNodeTypes;
+
+import java.util.List;
+
+/**
+ * @author max
+ */
+public class JetTupleType extends JetTypeElement {
+    public JetTupleType(@NotNull ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void accept(JetVisitor visitor) {
+        visitor.visitTupleType(this);
+    }
+
+    @NotNull
+    public List<JetTypeReference> getComponentTypeRefs() {
+        return findChildrenByType(JetNodeTypes.TYPE_REFERENCE);
+    }
+}

idea/src/org/jetbrains/jet/lang/psi/JetTypeElement.java

@@ -0,0 +1,13 @@
+package org.jetbrains.jet.lang.psi;
+
+import com.intellij.lang.ASTNode;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author max
+ */
+public abstract class JetTypeElement extends JetElement {
+    public JetTypeElement(@NotNull ASTNode node) {
+        super(node);
+    }
+}

idea/src/org/jetbrains/jet/lang/psi/JetTypeReference.java

@@ -2,6 +2,11 @@ package org.jetbrains.jet.lang.psi;
 
 import com.intellij.lang.ASTNode;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.JetNodeTypes;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
 /**
  * @author max
@@ -15,4 +20,17 @@ public class JetTypeReference extends JetElement {
     public void accept(JetVisitor visitor) {
         visitor.visitTypeReference(this);
     }
+
+    public List<JetAttributeAnnotation> getAttributeAnnotations() {
+        return findChildrenByType(JetNodeTypes.ATTRIBUTE_ANNOTATION);
+    }
+
+    public List<JetAttribute> getAttributes() {
+        List<JetAttribute> answer = null;
+        for (JetAttributeAnnotation annotation : getAttributeAnnotations()) {
+            if (answer == null) answer = new ArrayList<JetAttribute>();
+            answer.addAll(annotation.getAttributes());
+        }
+        return answer != null ? answer : Collections.<JetAttribute>emptyList();
+    }
 }

idea/src/org/jetbrains/jet/lang/psi/JetUserType.java

@@ -0,0 +1,50 @@
+package org.jetbrains.jet.lang.psi;
+
+import com.intellij.lang.ASTNode;
+import com.intellij.psi.tree.IElementType;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.JetNodeTypes;
+import org.jetbrains.jet.lexer.JetTokens;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author max
+ */
+public class JetUserType extends JetTypeElement {
+    public JetUserType(@NotNull ASTNode node) {
+        super(node);
+    }
+
+    @Override
+    public void accept(JetVisitor visitor) {
+        visitor.visitUserType(this);
+    }
+
+    @NotNull
+    public String getReferencedName() {
+        StringBuilder answer = new StringBuilder();
+        ASTNode childNode = getNode().getFirstChildNode();
+        while (childNode != null) {
+            IElementType tt = childNode.getElementType();
+            if (tt == JetTokens.IDENTIFIER || tt == JetTokens.DOT || tt == JetTokens.NAMESPACE_KEYWORD) {
+                answer.append(childNode.getText());
+            }
+            childNode = childNode.getTreeNext();
+        }
+        return answer.toString();
+    }
+
+    @Nullable
+    public JetTypeArgumentList getTypeArgumentList() {
+        return (JetTypeArgumentList) findChildByType(JetNodeTypes.TYPE_ARGUMENT_LIST);
+    }
+
+    @NotNull
+    public List<JetTypeReference> getTypeArguments() {
+        JetTypeArgumentList list = getTypeArgumentList();
+        return list != null ? list.getArguments() : Collections.<JetTypeReference>emptyList();
+    }
+}

idea/src/org/jetbrains/jet/lang/psi/JetVisitor.java

@@ -293,4 +293,24 @@ public class JetVisitor extends PsiElementVisitor {
     public void visitTypeConstraint(JetTypeConstraint constraint) {
         visitJetElement(constraint);
     }
+
+    private void visitTypeElement(JetTypeElement type) {
+        visitJetElement(type);
+    }
+
+    public void visitUserType(JetUserType type) {
+        visitTypeElement(type);
+    }
+
+    public void visitTupleType(JetTupleType type) {
+        visitTypeElement(type);
+    }
+
+    public void visitFunctionType(JetFunctionType type) {
+        visitTypeElement(type);
+    }
+
+    public void visitSelfType(JetSelfType type) {
+        visitTypeElement(type);
+    }
 }