Project split into four modules

.idea/modules.xml

@@ -3,7 +3,10 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/Jet.iml" filepath="$PROJECT_DIR$/Jet.iml" />
+      <module fileurl="file://$PROJECT_DIR$/backend/backend.iml" filepath="$PROJECT_DIR$/backend/backend.iml" />
       <module fileurl="file://$PROJECT_DIR$/examples/examples.iml" filepath="$PROJECT_DIR$/examples/examples.iml" />
+      <module fileurl="file://$PROJECT_DIR$/frontend/frontend.iml" filepath="$PROJECT_DIR$/frontend/frontend.iml" />
+      <module fileurl="file://$PROJECT_DIR$/frontend.java/frontend.java.iml" filepath="$PROJECT_DIR$/frontend.java/frontend.java.iml" />
       <module fileurl="file://$PROJECT_DIR$/grammar/grammar.iml" filepath="$PROJECT_DIR$/grammar/grammar.iml" />
       <module fileurl="file://$PROJECT_DIR$/idea/idea.iml" filepath="$PROJECT_DIR$/idea/idea.iml" />
       <module fileurl="file://$PROJECT_DIR$/stdlib/stdlib.iml" filepath="$PROJECT_DIR$/stdlib/stdlib.iml" />

backend/backend.iml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="IDEA 10.x" jdkType="IDEA JDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="frontend" />
+    <orderEntry type="module" module-name="frontend.java" />
+    <orderEntry type="library" name="asm" level="project" />
+    <orderEntry type="module" module-name="stdlib" />
+  </component>
+</module>
+

backend/src/org/jetbrains/jet/codegen/GenerationState.java

@@ -90,7 +90,7 @@ public class GenerationState {
         bindingContexts.push(bindingContext);
         typeMapper = new JetTypeMapper(standardLibrary, bindingContext);
         try {
-            AnalyzingUtils.applyHandler(ErrorHandler.THROW_EXCEPTION, bindingContext);
+            ErrorHandler.applyHandler(ErrorHandler.THROW_EXCEPTION, bindingContext);
             codegen.generate(namespace);
         }
         finally {

frontend.java/frontend.java.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="IDEA 10.x" jdkType="IDEA JDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="frontend" />
+  </component>
+</module>
+

frontend/frontend.iml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="IDEA 10.x" jdkType="IDEA JDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
+

frontend/src/org/jetbrains/jet/lang/ErrorHandler.java

@@ -8,8 +8,11 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.psi.JetReferenceExpression;
+import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.types.JetType;
 
+import java.util.Collection;
+
 /**
  * @author abreslav
  */
@@ -61,6 +64,17 @@ public class ErrorHandler {
         }
     }
 
+    public static void applyHandler(@NotNull ErrorHandler errorHandler, @NotNull BindingContext bindingContext) {
+        Collection<JetDiagnostic> diagnostics = bindingContext.getDiagnostics();
+        applyHandler(errorHandler, diagnostics);
+    }
+
+    public static void applyHandler(@NotNull ErrorHandler errorHandler, @NotNull Collection<JetDiagnostic> diagnostics) {
+        for (JetDiagnostic jetDiagnostic : diagnostics) {
+            jetDiagnostic.acceptHandler(errorHandler);
+        }
+    }
+
 
     public void unresolvedReference(@NotNull JetReferenceExpression referenceExpression) {
     }