Added expression live template context type.

idea/src/META-INF/plugin.xml

@@ -92,6 +92,7 @@
       <liveTemplateContext implementation="org.jetbrains.jet.plugin.liveTemplates.JetTemplateContextType$Namespace"/>
       <liveTemplateContext implementation="org.jetbrains.jet.plugin.liveTemplates.JetTemplateContextType$Statement"/>
       <liveTemplateContext implementation="org.jetbrains.jet.plugin.liveTemplates.JetTemplateContextType$Class"/>
+      <liveTemplateContext implementation="org.jetbrains.jet.plugin.liveTemplates.JetTemplateContextType$Expression"/>
       <defaultLiveTemplatesProvider implementation="org.jetbrains.jet.plugin.liveTemplates.JetLiveTemplatesProvider"/>
       <liveTemplateMacro implementation="org.jetbrains.jet.plugin.liveTemplates.macro.JetVariableOfTypeMacro"/>
       <liveTemplateMacro implementation="org.jetbrains.jet.plugin.liveTemplates.macro.JetFunctionParametersMacro"/>

idea/src/org/jetbrains/jet/plugin/liveTemplates/JetTemplateContextType.java

@@ -114,4 +114,15 @@ public abstract class JetTemplateContextType extends TemplateContextType {
             return parent instanceof JetBlockExpression;
         }
     }
+
+    public static class Expression extends JetTemplateContextType {
+        public Expression() {
+            super("KOTLIN_EXPRESSION", "Expression", Generic.class);
+        }
+
+        @Override
+        protected boolean isInContext(@NotNull PsiElement element) {
+            return element.getParent() instanceof JetExpression;
+        }
+    }
 }